diff --git a/AnkiDroid/build.gradle b/AnkiDroid/build.gradle
index 8c867841aeab..9eec00882562 100644
--- a/AnkiDroid/build.gradle
+++ b/AnkiDroid/build.gradle
@@ -261,6 +261,7 @@ dependencies {
     compileOnly "com.google.auto.service:auto-service-annotations:1.0.1"
     annotationProcessor "com.google.auto.service:auto-service:1.0.1"
 
+    implementation 'com.github.mrudultora:Colorpicker:1.2.0'
     implementation 'androidx.activity:activity-ktx:1.4.0'
     implementation 'androidx.annotation:annotation:1.3.0'
     implementation 'androidx.appcompat:appcompat:1.4.0'
diff --git a/AnkiDroid/src/main/AndroidManifest.xml b/AnkiDroid/src/main/AndroidManifest.xml
index c0f3a93b733b..5701d0c86987 100644
--- a/AnkiDroid/src/main/AndroidManifest.xml
+++ b/AnkiDroid/src/main/AndroidManifest.xml
@@ -217,6 +217,11 @@
                 android:value="com.ichi2.anki.DeckPicker"
                 />
         </activity>
+        <activity android:name="com.ichi2.anki.multimediacard.activity.VisualEditorActivity"
+            android:exported="false"
+            android:label="@string/title_activity_visual_editor"
+            android:configChanges="keyboardHidden|orientation|locale|screenSize"
+            android:windowSoftInputMode="stateAlwaysHidden"/>
         <activity
             android:name=".ModelBrowser"
             android:label="@string/model_browser_label"
diff --git a/AnkiDroid/src/main/assets/summernote/bootstrap.min.css b/AnkiDroid/src/main/assets/summernote/bootstrap.min.css
new file mode 100644
index 000000000000..ed3905e0e0c9
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/bootstrap.min.css
@@ -0,0 +1,6 @@
+/*!
+ * Bootstrap v3.3.7 (http://getbootstrap.com)
+ * Copyright 2011-2016 Twitter, Inc.
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ *//*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:700}dfn{font-style:italic}h1{margin:.67em 0;font-size:2em}mark{color:#000;background:#ff0}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{height:0;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{margin:0;font:inherit;color:inherit}button{overflow:visible}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input{line-height:normal}input[type=checkbox],input[type=radio]{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{padding:.35em .625em .75em;margin:0 2px;border:1px solid silver}legend{padding:0;border:0}textarea{overflow:auto}optgroup{font-weight:700}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}/*! 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a.Event&&(c.inState["focusin"==b.type?"focus":"hover"]=!0),c.tip().hasClass("in")||"in"==c.hoverState?void(c.hoverState="in"):(clearTimeout(c.timeout),c.hoverState="in",c.options.delay&&c.options.delay.show?void(c.timeout=setTimeout(function(){"in"==c.hoverState&&c.show()},c.options.delay.show)):c.show())},c.prototype.isInStateTrue=function(){for(var a in this.inState)if(this.inState[a])return!0;return!1},c.prototype.leave=function(b){var c=b instanceof this.constructor?b:a(b.currentTarget).data("bs."+this.type);if(c||(c=new this.constructor(b.currentTarget,this.getDelegateOptions()),a(b.currentTarget).data("bs."+this.type,c)),b instanceof a.Event&&(c.inState["focusout"==b.type?"focus":"hover"]=!1),!c.isInStateTrue())return clearTimeout(c.timeout),c.hoverState="out",c.options.delay&&c.options.delay.hide?void(c.timeout=setTimeout(function(){"out"==c.hoverState&&c.hide()},c.options.delay.hide)):c.hide()},c.prototype.show=function(){var b=a.Event("show.bs."+this.type);if(this.hasContent()&&this.enabled){this.$element.trigger(b);var d=a.contains(this.$element[0].ownerDocument.documentElement,this.$element[0]);if(b.isDefaultPrevented()||!d)return;var e=this,f=this.tip(),g=this.getUID(this.type);this.setContent(),f.attr("id",g),this.$element.attr("aria-describedby",g),this.options.animation&&f.addClass("fade");var h="function"==typeof this.options.placement?this.options.placement.call(this,f[0],this.$element[0]):this.options.placement,i=/\s?auto?\s?/i,j=i.test(h);j&&(h=h.replace(i,"")||"top"),f.detach().css({top:0,left:0,display:"block"}).addClass(h).data("bs."+this.type,this),this.options.container?f.appendTo(this.options.container):f.insertAfter(this.$element),this.$element.trigger("inserted.bs."+this.type);var k=this.getPosition(),l=f[0].offsetWidth,m=f[0].offsetHeight;if(j){var n=h,o=this.getPosition(this.$viewport);h="bottom"==h&&k.bottom+m>o.bottom?"top":"top"==h&&k.top-m<o.top?"bottom":"right"==h&&k.right+l>o.width?"left":"left"==h&&k.left-l<o.left?"right":h,f.removeClass(n).addClass(h)}var p=this.getCalculatedOffset(h,k,l,m);this.applyPlacement(p,h);var q=function(){var a=e.hoverState;e.$element.trigger("shown.bs."+e.type),e.hoverState=null,"out"==a&&e.leave(e)};a.support.transition&&this.$tip.hasClass("fade")?f.one("bsTransitionEnd",q).emulateTransitionEnd(c.TRANSITION_DURATION):q()}},c.prototype.applyPlacement=function(b,c){var d=this.tip(),e=d[0].offsetWidth,f=d[0].offsetHeight,g=parseInt(d.css("margin-top"),10),h=parseInt(d.css("margin-left"),10);isNaN(g)&&(g=0),isNaN(h)&&(h=0),b.top+=g,b.left+=h,a.offset.setOffset(d[0],a.extend({using:function(a){d.css({top:Math.round(a.top),left:Math.round(a.left)})}},b),0),d.addClass("in");var i=d[0].offsetWidth,j=d[0].offsetHeight;"top"==c&&j!=f&&(b.top=b.top+f-j);var k=this.getViewportAdjustedDelta(c,b,i,j);k.left?b.left+=k.left:b.top+=k.top;var l=/top|bottom/.test(c),m=l?2*k.left-e+i:2*k.top-f+j,n=l?"offsetWidth":"offsetHeight";d.offset(b),this.replaceArrow(m,d[0][n],l)},c.prototype.replaceArrow=function(a,b,c){this.arrow().css(c?"left":"top",50*(1-a/b)+"%").css(c?"top":"left","")},c.prototype.setContent=function(){var a=this.tip(),b=this.getTitle();a.find(".tooltip-inner")[this.options.html?"html":"text"](b),a.removeClass("fade in top bottom left right")},c.prototype.hide=function(b){function d(){"in"!=e.hoverState&&f.detach(),e.$element&&e.$element.removeAttr("aria-describedby").trigger("hidden.bs."+e.type),b&&b()}var e=this,f=a(this.$tip),g=a.Event("hide.bs."+this.type);if(this.$element.trigger(g),!g.isDefaultPrevented())return f.removeClass("in"),a.support.transition&&f.hasClass("fade")?f.one("bsTransitionEnd",d).emulateTransitionEnd(c.TRANSITION_DURATION):d(),this.hoverState=null,this},c.prototype.fixTitle=function(){var a=this.$element;(a.attr("title")||"string"!=typeof a.attr("data-original-title"))&&a.attr("data-original-title",a.attr("title")||"").attr("title","")},c.prototype.hasContent=function(){return this.getTitle()},c.prototype.getPosition=function(b){b=b||this.$element;var c=b[0],d="BODY"==c.tagName,e=c.getBoundingClientRect();null==e.width&&(e=a.extend({},e,{width:e.right-e.left,height:e.bottom-e.top}));var f=window.SVGElement&&c instanceof window.SVGElement,g=d?{top:0,left:0}:f?null:b.offset(),h={scroll:d?document.documentElement.scrollTop||document.body.scrollTop:b.scrollTop()},i=d?{width:a(window).width(),height:a(window).height()}:null;return a.extend({},e,h,i,g)},c.prototype.getCalculatedOffset=function(a,b,c,d){return"bottom"==a?{top:b.top+b.height,left:b.left+b.width/2-c/2}:"top"==a?{top:b.top-d,left:b.left+b.width/2-c/2}:"left"==a?{top:b.top+b.height/2-d/2,left:b.left-c}:{top:b.top+b.height/2-d/2,left:b.left+b.width}},c.prototype.getViewportAdjustedDelta=function(a,b,c,d){var e={top:0,left:0};if(!this.$viewport)return e;var f=this.options.viewport&&this.options.viewport.padding||0,g=this.getPosition(this.$viewport);if(/right|left/.test(a)){var h=b.top-f-g.scroll,i=b.top+f-g.scroll+d;h<g.top?e.top=g.top-h:i>g.top+g.height&&(e.top=g.top+g.height-i)}else{var j=b.left-f,k=b.left+f+c;j<g.left?e.left=g.left-j:k>g.right&&(e.left=g.left+g.width-k)}return e},c.prototype.getTitle=function(){var a,b=this.$element,c=this.options;return a=b.attr("data-original-title")||("function"==typeof c.title?c.title.call(b[0]):c.title)},c.prototype.getUID=function(a){do a+=~~(1e6*Math.random());while(document.getElementById(a));return a},c.prototype.tip=function(){if(!this.$tip&&(this.$tip=a(this.options.template),1!=this.$tip.length))throw new Error(this.type+" `template` option must consist of exactly 1 top-level element!");return this.$tip},c.prototype.arrow=function(){return this.$arrow=this.$arrow||this.tip().find(".tooltip-arrow")},c.prototype.enable=function(){this.enabled=!0},c.prototype.disable=function(){this.enabled=!1},c.prototype.toggleEnabled=function(){this.enabled=!this.enabled},c.prototype.toggle=function(b){var c=this;b&&(c=a(b.currentTarget).data("bs."+this.type),c||(c=new this.constructor(b.currentTarget,this.getDelegateOptions()),a(b.currentTarget).data("bs."+this.type,c))),b?(c.inState.click=!c.inState.click,c.isInStateTrue()?c.enter(c):c.leave(c)):c.tip().hasClass("in")?c.leave(c):c.enter(c)},c.prototype.destroy=function(){var a=this;clearTimeout(this.timeout),this.hide(function(){a.$element.off("."+a.type).removeData("bs."+a.type),a.$tip&&a.$tip.detach(),a.$tip=null,a.$arrow=null,a.$viewport=null,a.$element=null})};var d=a.fn.tooltip;a.fn.tooltip=b,a.fn.tooltip.Constructor=c,a.fn.tooltip.noConflict=function(){return a.fn.tooltip=d,this}}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.popover"),f="object"==typeof b&&b;!e&&/destroy|hide/.test(b)||(e||d.data("bs.popover",e=new c(this,f)),"string"==typeof b&&e[b]())})}var c=function(a,b){this.init("popover",a,b)};if(!a.fn.tooltip)throw new Error("Popover requires tooltip.js");c.VERSION="3.3.7",c.DEFAULTS=a.extend({},a.fn.tooltip.Constructor.DEFAULTS,{placement:"right",trigger:"click",content:"",template:'<div class="popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'}),c.prototype=a.extend({},a.fn.tooltip.Constructor.prototype),c.prototype.constructor=c,c.prototype.getDefaults=function(){return c.DEFAULTS},c.prototype.setContent=function(){var a=this.tip(),b=this.getTitle(),c=this.getContent();a.find(".popover-title")[this.options.html?"html":"text"](b),a.find(".popover-content").children().detach().end()[this.options.html?"string"==typeof c?"html":"append":"text"](c),a.removeClass("fade top bottom left right in"),a.find(".popover-title").html()||a.find(".popover-title").hide()},c.prototype.hasContent=function(){return this.getTitle()||this.getContent()},c.prototype.getContent=function(){var a=this.$element,b=this.options;return a.attr("data-content")||("function"==typeof b.content?b.content.call(a[0]):b.content)},c.prototype.arrow=function(){return this.$arrow=this.$arrow||this.tip().find(".arrow")};var d=a.fn.popover;a.fn.popover=b,a.fn.popover.Constructor=c,a.fn.popover.noConflict=function(){return a.fn.popover=d,this}}(jQuery),+function(a){"use strict";function b(c,d){this.$body=a(document.body),this.$scrollElement=a(a(c).is(document.body)?window:c),this.options=a.extend({},b.DEFAULTS,d),this.selector=(this.options.target||"")+" .nav li > a",this.offsets=[],this.targets=[],this.activeTarget=null,this.scrollHeight=0,this.$scrollElement.on("scroll.bs.scrollspy",a.proxy(this.process,this)),this.refresh(),this.process()}function c(c){return this.each(function(){var d=a(this),e=d.data("bs.scrollspy"),f="object"==typeof c&&c;e||d.data("bs.scrollspy",e=new b(this,f)),"string"==typeof c&&e[c]()})}b.VERSION="3.3.7",b.DEFAULTS={offset:10},b.prototype.getScrollHeight=function(){return this.$scrollElement[0].scrollHeight||Math.max(this.$body[0].scrollHeight,document.documentElement.scrollHeight)},b.prototype.refresh=function(){var b=this,c="offset",d=0;this.offsets=[],this.targets=[],this.scrollHeight=this.getScrollHeight(),a.isWindow(this.$scrollElement[0])||(c="position",d=this.$scrollElement.scrollTop()),this.$body.find(this.selector).map(function(){var b=a(this),e=b.data("target")||b.attr("href"),f=/^#./.test(e)&&a(e);return f&&f.length&&f.is(":visible")&&[[f[c]().top+d,e]]||null}).sort(function(a,b){return a[0]-b[0]}).each(function(){b.offsets.push(this[0]),b.targets.push(this[1])})},b.prototype.process=function(){var a,b=this.$scrollElement.scrollTop()+this.options.offset,c=this.getScrollHeight(),d=this.options.offset+c-this.$scrollElement.height(),e=this.offsets,f=this.targets,g=this.activeTarget;if(this.scrollHeight!=c&&this.refresh(),b>=d)return g!=(a=f[f.length-1])&&this.activate(a);if(g&&b<e[0])return this.activeTarget=null,this.clear();for(a=e.length;a--;)g!=f[a]&&b>=e[a]&&(void 0===e[a+1]||b<e[a+1])&&this.activate(f[a])},b.prototype.activate=function(b){
+this.activeTarget=b,this.clear();var c=this.selector+'[data-target="'+b+'"],'+this.selector+'[href="'+b+'"]',d=a(c).parents("li").addClass("active");d.parent(".dropdown-menu").length&&(d=d.closest("li.dropdown").addClass("active")),d.trigger("activate.bs.scrollspy")},b.prototype.clear=function(){a(this.selector).parentsUntil(this.options.target,".active").removeClass("active")};var d=a.fn.scrollspy;a.fn.scrollspy=c,a.fn.scrollspy.Constructor=b,a.fn.scrollspy.noConflict=function(){return a.fn.scrollspy=d,this},a(window).on("load.bs.scrollspy.data-api",function(){a('[data-spy="scroll"]').each(function(){var b=a(this);c.call(b,b.data())})})}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.tab");e||d.data("bs.tab",e=new c(this)),"string"==typeof b&&e[b]()})}var c=function(b){this.element=a(b)};c.VERSION="3.3.7",c.TRANSITION_DURATION=150,c.prototype.show=function(){var b=this.element,c=b.closest("ul:not(.dropdown-menu)"),d=b.data("target");if(d||(d=b.attr("href"),d=d&&d.replace(/.*(?=#[^\s]*$)/,"")),!b.parent("li").hasClass("active")){var e=c.find(".active:last a"),f=a.Event("hide.bs.tab",{relatedTarget:b[0]}),g=a.Event("show.bs.tab",{relatedTarget:e[0]});if(e.trigger(f),b.trigger(g),!g.isDefaultPrevented()&&!f.isDefaultPrevented()){var h=a(d);this.activate(b.closest("li"),c),this.activate(h,h.parent(),function(){e.trigger({type:"hidden.bs.tab",relatedTarget:b[0]}),b.trigger({type:"shown.bs.tab",relatedTarget:e[0]})})}}},c.prototype.activate=function(b,d,e){function f(){g.removeClass("active").find("> .dropdown-menu > .active").removeClass("active").end().find('[data-toggle="tab"]').attr("aria-expanded",!1),b.addClass("active").find('[data-toggle="tab"]').attr("aria-expanded",!0),h?(b[0].offsetWidth,b.addClass("in")):b.removeClass("fade"),b.parent(".dropdown-menu").length&&b.closest("li.dropdown").addClass("active").end().find('[data-toggle="tab"]').attr("aria-expanded",!0),e&&e()}var g=d.find("> .active"),h=e&&a.support.transition&&(g.length&&g.hasClass("fade")||!!d.find("> .fade").length);g.length&&h?g.one("bsTransitionEnd",f).emulateTransitionEnd(c.TRANSITION_DURATION):f(),g.removeClass("in")};var d=a.fn.tab;a.fn.tab=b,a.fn.tab.Constructor=c,a.fn.tab.noConflict=function(){return a.fn.tab=d,this};var e=function(c){c.preventDefault(),b.call(a(this),"show")};a(document).on("click.bs.tab.data-api",'[data-toggle="tab"]',e).on("click.bs.tab.data-api",'[data-toggle="pill"]',e)}(jQuery),+function(a){"use strict";function b(b){return this.each(function(){var d=a(this),e=d.data("bs.affix"),f="object"==typeof b&&b;e||d.data("bs.affix",e=new c(this,f)),"string"==typeof b&&e[b]()})}var c=function(b,d){this.options=a.extend({},c.DEFAULTS,d),this.$target=a(this.options.target).on("scroll.bs.affix.data-api",a.proxy(this.checkPosition,this)).on("click.bs.affix.data-api",a.proxy(this.checkPositionWithEventLoop,this)),this.$element=a(b),this.affixed=null,this.unpin=null,this.pinnedOffset=null,this.checkPosition()};c.VERSION="3.3.7",c.RESET="affix affix-top affix-bottom",c.DEFAULTS={offset:0,target:window},c.prototype.getState=function(a,b,c,d){var e=this.$target.scrollTop(),f=this.$element.offset(),g=this.$target.height();if(null!=c&&"top"==this.affixed)return e<c&&"top";if("bottom"==this.affixed)return null!=c?!(e+this.unpin<=f.top)&&"bottom":!(e+g<=a-d)&&"bottom";var h=null==this.affixed,i=h?e:f.top,j=h?g:b;return null!=c&&e<=c?"top":null!=d&&i+j>=a-d&&"bottom"},c.prototype.getPinnedOffset=function(){if(this.pinnedOffset)return this.pinnedOffset;this.$element.removeClass(c.RESET).addClass("affix");var a=this.$target.scrollTop(),b=this.$element.offset();return this.pinnedOffset=b.top-a},c.prototype.checkPositionWithEventLoop=function(){setTimeout(a.proxy(this.checkPosition,this),1)},c.prototype.checkPosition=function(){if(this.$element.is(":visible")){var b=this.$element.height(),d=this.options.offset,e=d.top,f=d.bottom,g=Math.max(a(document).height(),a(document.body).height());"object"!=typeof d&&(f=e=d),"function"==typeof e&&(e=d.top(this.$element)),"function"==typeof f&&(f=d.bottom(this.$element));var h=this.getState(g,b,e,f);if(this.affixed!=h){null!=this.unpin&&this.$element.css("top","");var i="affix"+(h?"-"+h:""),j=a.Event(i+".bs.affix");if(this.$element.trigger(j),j.isDefaultPrevented())return;this.affixed=h,this.unpin="bottom"==h?this.getPinnedOffset():null,this.$element.removeClass(c.RESET).addClass(i).trigger(i.replace("affix","affixed")+".bs.affix")}"bottom"==h&&this.$element.offset({top:g-b-f})}};var d=a.fn.affix;a.fn.affix=b,a.fn.affix.Constructor=c,a.fn.affix.noConflict=function(){return a.fn.affix=d,this},a(window).on("load",function(){a('[data-spy="affix"]').each(function(){var c=a(this),d=c.data();d.offset=d.offset||{},null!=d.offsetBottom&&(d.offset.bottom=d.offsetBottom),null!=d.offsetTop&&(d.offset.top=d.offsetTop),b.call(c,d)})})}(jQuery);
\ No newline at end of file
diff --git a/AnkiDroid/src/main/assets/summernote/editor.js b/AnkiDroid/src/main/assets/summernote/editor.js
new file mode 100644
index 000000000000..7cdfecbe6725
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/editor.js
@@ -0,0 +1,149 @@
+var enable = function() {
+    $('#summernote').summernote('enable');
+};
+
+var disable = function() {
+    $('#summernote').summernote('disable');
+};
+
+var destroy = function() {
+    $('#summernote').summernote('destroy');
+};
+
+var clear = function() {
+    $('#summernote').summernote('reset');
+};
+
+var setFocus = function(){
+    $('#summernote').summernote('focus');
+};
+
+var setHtml = function(html) {
+    $('#summernote').summernote('code', html);
+};
+
+var setBold = function() {
+    $('#summernote').summernote('bold');
+};
+
+var setItalic = function() {
+    $('#summernote').summernote('italic');
+};
+
+var setUnderline = function() {
+    $('#summernote').summernote('underline');
+};
+
+var setStrikeThrough = function() {
+    $('#summernote').summernote('strikethrough');
+};
+
+var removeFormat = function() {
+    $('#summernote').summernote('removeFormat');
+};
+
+var setFontSize = function(size) {
+    $('#summernote').summernote('fontSize', size);
+};
+
+var setNormal = function() {
+    $('#summernote').summernote('formatPara');
+};
+
+var setHeading = function(heading) {
+    $('#summernote').summernote('formatH' + heading);
+};
+
+var setLineHeight = function(height) {
+    $('#summernote').summernote('lineHeight', height);
+}
+
+var setSuperscript = function() {
+    $('#summernote').summernote('superscript');
+};
+
+var setSubscript = function() {
+    $('#summernote').summernote('subscript');
+};
+
+var setTextForeColor = function(hexColor) {
+    if (!hexColor.startsWith('#')) {
+        hexColor = '#' + hexColor;
+    }
+    $('#summernote').summernote('foreColor', hexColor);
+};
+
+var setTextBackColor = function(hexColor) {
+    if (!hexColor.startsWith('#')) {
+        hexColor = '#' + hexColor;
+    }
+    $('#summernote').summernote('backColor', hexColor);
+};
+
+var setBlockCode = function() {
+    $('#summernote').summernote('formatBlock', 'pre');
+};
+
+var insertUnorderedList = function() {
+    $('#summernote').summernote('insertUnorderedList');
+};
+
+var insertOrderedList = function() {
+    $('#summernote').summernote('insertOrderedList');
+};
+
+var setBlockQuote = function() {
+    $('#summernote').summernote('formatBlock', 'blockquote');
+};
+
+var setAlignLeft = function() {
+    $('#summernote').summernote('justifyLeft');
+};
+
+var setAlignCenter = function() {
+    $('#summernote').summernote('justifyCenter');
+};
+
+var setAlignRight = function() {
+    $('#summernote').summernote('justifyRight');
+};
+
+var setAlignJustify = function() {
+    $('#summernote').summernote('justifyFull');
+};
+
+var insertHorizontalRule = function() {
+    $('#summernote').summernote('insertHorizontalRule');
+};
+
+var indent = function() {
+    $('#summernote').summernote('indent');
+};
+
+var outdent = function() {
+    $('#summernote').summernote('outdent');
+};
+
+var insertTable = function(dimen) {
+    $('#summernote').summernote('insertTable', dimen);
+};
+
+var insertLink = function(linkTitle, linkUrl) {
+    $('#summernote').summernote('createLink', {
+        text: linkTitle,
+        url: linkUrl,
+        isNewWindow: false
+    });
+};
+
+var unlink = function() {
+    $('#summernote').summernote('unlink');
+};
+
+var insertText = function(text) {
+    $('#summernote').summernote('insertText', text);
+};
+
+var editHtml = function() {
+    $('#summernote').summernote('codeview.toggle');
+};
diff --git a/AnkiDroid/src/main/assets/summernote/jquery-3.2.1.min.js b/AnkiDroid/src/main/assets/summernote/jquery-3.2.1.min.js
new file mode 100644
index 000000000000..644d35e274fd
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/jquery-3.2.1.min.js
@@ -0,0 +1,4 @@
+/*! jQuery v3.2.1 | (c) JS Foundation and other contributors | jquery.org/license */
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diff --git a/AnkiDroid/src/main/assets/summernote/summernote.css b/AnkiDroid/src/main/assets/summernote/summernote.css
new file mode 100644
index 000000000000..965ef19352df
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/summernote.css
@@ -0,0 +1,13 @@
+/*!
+ * 
+ * Super simple wysiwyg editor v0.8.18
+ * https://summernote.org
+ * 
+ * 
+ * Copyright 2013- Alan Hong. and other contributors
+ * summernote may be freely distributed under the MIT license.
+ * 
+ * Date: 2020-05-20T18:09Z
+ * 
+ */
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diff --git a/AnkiDroid/src/main/assets/summernote/summernote.eot b/AnkiDroid/src/main/assets/summernote/summernote.eot
new file mode 100644
index 000000000000..4f047db9a0e2
Binary files /dev/null and b/AnkiDroid/src/main/assets/summernote/summernote.eot differ
diff --git a/AnkiDroid/src/main/assets/summernote/summernote.js b/AnkiDroid/src/main/assets/summernote/summernote.js
new file mode 100644
index 000000000000..d0bbf4cc680f
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/summernote.js
@@ -0,0 +1,10228 @@
+/*!
+ * 
+ * Super simple wysiwyg editor v0.8.18
+ * https://summernote.org
+ * 
+ * 
+ * Copyright 2013- Alan Hong. and other contributors
+ * summernote may be freely distributed under the MIT license.
+ * 
+ * Date: 2020-05-20T18:09Z
+ * 
+ */
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory(require("jquery"));
+	else if(typeof define === 'function' && define.amd)
+		define(["jquery"], factory);
+	else {
+		var a = typeof exports === 'object' ? factory(require("jquery")) : factory(root["jQuery"]);
+		for(var i in a) (typeof exports === 'object' ? exports : root)[i] = a[i];
+	}
+})(window, function(__WEBPACK_EXTERNAL_MODULE__0__) {
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+/***/ 0:
+/***/ (function(module, exports) {
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+module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
+
+/***/ }),
+
+/***/ 1:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+/* harmony import */ var jquery__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
+/* harmony import */ var jquery__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(jquery__WEBPACK_IMPORTED_MODULE_0__);
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Renderer = /*#__PURE__*/function () {
+  function Renderer(markup, children, options, callback) {
+    _classCallCheck(this, Renderer);
+
+    this.markup = markup;
+    this.children = children;
+    this.options = options;
+    this.callback = callback;
+  }
+
+  _createClass(Renderer, [{
+    key: "render",
+    value: function render($parent) {
+      var $node = jquery__WEBPACK_IMPORTED_MODULE_0___default()(this.markup);
+
+      if (this.options && this.options.contents) {
+        $node.html(this.options.contents);
+      }
+
+      if (this.options && this.options.className) {
+        $node.addClass(this.options.className);
+      }
+
+      if (this.options && this.options.data) {
+        jquery__WEBPACK_IMPORTED_MODULE_0___default.a.each(this.options.data, function (k, v) {
+          $node.attr('data-' + k, v);
+        });
+      }
+
+      if (this.options && this.options.click) {
+        $node.on('click', this.options.click);
+      }
+
+      if (this.children) {
+        var $container = $node.find('.note-children-container');
+        this.children.forEach(function (child) {
+          child.render($container.length ? $container : $node);
+        });
+      }
+
+      if (this.callback) {
+        this.callback($node, this.options);
+      }
+
+      if (this.options && this.options.callback) {
+        this.options.callback($node);
+      }
+
+      if ($parent) {
+        $parent.append($node);
+      }
+
+      return $node;
+    }
+  }]);
+
+  return Renderer;
+}();
+
+/* harmony default export */ __webpack_exports__["a"] = ({
+  create: function create(markup, callback) {
+    return function () {
+      var options = _typeof(arguments[1]) === 'object' ? arguments[1] : arguments[0];
+      var children = Array.isArray(arguments[0]) ? arguments[0] : [];
+
+      if (options && options.children) {
+        children = options.children;
+      }
+
+      return new Renderer(markup, children, options, callback);
+    };
+  }
+});
+
+/***/ }),
+
+/***/ 2:
+/***/ (function(module, exports) {
+
+/* WEBPACK VAR INJECTION */(function(__webpack_amd_options__) {/* globals __webpack_amd_options__ */
+module.exports = __webpack_amd_options__;
+
+/* WEBPACK VAR INJECTION */}.call(this, {}))
+
+/***/ }),
+
+/***/ 3:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+
+// EXTERNAL MODULE: external {"root":"jQuery","commonjs2":"jquery","commonjs":"jquery","amd":"jquery"}
+var external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_ = __webpack_require__(0);
+var external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default = /*#__PURE__*/__webpack_require__.n(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_);
+
+// CONCATENATED MODULE: ./src/js/base/summernote-en-US.js
+
+external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote || {
+  lang: {}
+};
+external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.lang, {
+  'en-US': {
+    font: {
+      bold: 'Bold',
+      italic: 'Italic',
+      underline: 'Underline',
+      clear: 'Remove Font Style',
+      height: 'Line Height',
+      name: 'Font Family',
+      strikethrough: 'Strikethrough',
+      subscript: 'Subscript',
+      superscript: 'Superscript',
+      size: 'Font Size',
+      sizeunit: 'Font Size Unit'
+    },
+    image: {
+      image: 'Picture',
+      insert: 'Insert Image',
+      resizeFull: 'Resize full',
+      resizeHalf: 'Resize half',
+      resizeQuarter: 'Resize quarter',
+      resizeNone: 'Original size',
+      floatLeft: 'Float Left',
+      floatRight: 'Float Right',
+      floatNone: 'Remove float',
+      shapeRounded: 'Shape: Rounded',
+      shapeCircle: 'Shape: Circle',
+      shapeThumbnail: 'Shape: Thumbnail',
+      shapeNone: 'Shape: None',
+      dragImageHere: 'Drag image or text here',
+      dropImage: 'Drop image or Text',
+      selectFromFiles: 'Select from files',
+      maximumFileSize: 'Maximum file size',
+      maximumFileSizeError: 'Maximum file size exceeded.',
+      url: 'Image URL',
+      remove: 'Remove Image',
+      original: 'Original'
+    },
+    video: {
+      video: 'Video',
+      videoLink: 'Video Link',
+      insert: 'Insert Video',
+      url: 'Video URL',
+      providers: '(YouTube, Vimeo, Vine, Instagram, DailyMotion or Youku)'
+    },
+    link: {
+      link: 'Link',
+      insert: 'Insert Link',
+      unlink: 'Unlink',
+      edit: 'Edit',
+      textToDisplay: 'Text to display',
+      url: 'To what URL should this link go?',
+      openInNewWindow: 'Open in new window',
+      useProtocol: 'Use default protocol'
+    },
+    table: {
+      table: 'Table',
+      addRowAbove: 'Add row above',
+      addRowBelow: 'Add row below',
+      addColLeft: 'Add column left',
+      addColRight: 'Add column right',
+      delRow: 'Delete row',
+      delCol: 'Delete column',
+      delTable: 'Delete table'
+    },
+    hr: {
+      insert: 'Insert Horizontal Rule'
+    },
+    style: {
+      style: 'Style',
+      p: 'Normal',
+      blockquote: 'Quote',
+      pre: 'Code',
+      h1: 'Header 1',
+      h2: 'Header 2',
+      h3: 'Header 3',
+      h4: 'Header 4',
+      h5: 'Header 5',
+      h6: 'Header 6'
+    },
+    lists: {
+      unordered: 'Unordered list',
+      ordered: 'Ordered list'
+    },
+    options: {
+      help: 'Help',
+      fullscreen: 'Full Screen',
+      codeview: 'Code View'
+    },
+    paragraph: {
+      paragraph: 'Paragraph',
+      outdent: 'Outdent',
+      indent: 'Indent',
+      left: 'Align left',
+      center: 'Align center',
+      right: 'Align right',
+      justify: 'Justify full'
+    },
+    color: {
+      recent: 'Recent Color',
+      more: 'More Color',
+      background: 'Background Color',
+      foreground: 'Text Color',
+      transparent: 'Transparent',
+      setTransparent: 'Set transparent',
+      reset: 'Reset',
+      resetToDefault: 'Reset to default',
+      cpSelect: 'Select'
+    },
+    shortcut: {
+      shortcuts: 'Keyboard shortcuts',
+      close: 'Close',
+      textFormatting: 'Text formatting',
+      action: 'Action',
+      paragraphFormatting: 'Paragraph formatting',
+      documentStyle: 'Document Style',
+      extraKeys: 'Extra keys'
+    },
+    help: {
+      'escape': 'Escape',
+      'insertParagraph': 'Insert Paragraph',
+      'undo': 'Undo the last command',
+      'redo': 'Redo the last command',
+      'tab': 'Tab',
+      'untab': 'Untab',
+      'bold': 'Set a bold style',
+      'italic': 'Set a italic style',
+      'underline': 'Set a underline style',
+      'strikethrough': 'Set a strikethrough style',
+      'removeFormat': 'Clean a style',
+      'justifyLeft': 'Set left align',
+      'justifyCenter': 'Set center align',
+      'justifyRight': 'Set right align',
+      'justifyFull': 'Set full align',
+      'insertUnorderedList': 'Toggle unordered list',
+      'insertOrderedList': 'Toggle ordered list',
+      'outdent': 'Outdent on current paragraph',
+      'indent': 'Indent on current paragraph',
+      'formatPara': 'Change current block\'s format as a paragraph(P tag)',
+      'formatH1': 'Change current block\'s format as H1',
+      'formatH2': 'Change current block\'s format as H2',
+      'formatH3': 'Change current block\'s format as H3',
+      'formatH4': 'Change current block\'s format as H4',
+      'formatH5': 'Change current block\'s format as H5',
+      'formatH6': 'Change current block\'s format as H6',
+      'insertHorizontalRule': 'Insert horizontal rule',
+      'linkDialog.show': 'Show Link Dialog'
+    },
+    history: {
+      undo: 'Undo',
+      redo: 'Redo'
+    },
+    specialChar: {
+      specialChar: 'SPECIAL CHARACTERS',
+      select: 'Select Special characters'
+    },
+    output: {
+      noSelection: 'No Selection Made!'
+    }
+  }
+});
+// CONCATENATED MODULE: ./src/js/base/core/env.js
+
+var isSupportAmd = typeof define === 'function' && __webpack_require__(2); // eslint-disable-line
+
+/**
+ * returns whether font is installed or not.
+ *
+ * @param {String} fontName
+ * @return {Boolean}
+ */
+
+var genericFontFamilies = ['sans-serif', 'serif', 'monospace', 'cursive', 'fantasy'];
+
+function validFontName(fontName) {
+  return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.inArray(fontName.toLowerCase(), genericFontFamilies) === -1 ? "'".concat(fontName, "'") : fontName;
+}
+
+function env_isFontInstalled(fontName) {
+  var testFontName = fontName === 'Comic Sans MS' ? 'Courier New' : 'Comic Sans MS';
+  var testText = 'mmmmmmmmmmwwwww';
+  var testSize = '200px';
+  var canvas = document.createElement('canvas');
+  var context = canvas.getContext('2d');
+  context.font = testSize + " '" + testFontName + "'";
+  var originalWidth = context.measureText(testText).width;
+  context.font = testSize + ' ' + validFontName(fontName) + ', "' + testFontName + '"';
+  var width = context.measureText(testText).width;
+  return originalWidth !== width;
+}
+
+var userAgent = navigator.userAgent;
+var isMSIE = /MSIE|Trident/i.test(userAgent);
+var browserVersion;
+
+if (isMSIE) {
+  var matches = /MSIE (\d+[.]\d+)/.exec(userAgent);
+
+  if (matches) {
+    browserVersion = parseFloat(matches[1]);
+  }
+
+  matches = /Trident\/.*rv:([0-9]{1,}[.0-9]{0,})/.exec(userAgent);
+
+  if (matches) {
+    browserVersion = parseFloat(matches[1]);
+  }
+}
+
+var isEdge = /Edge\/\d+/.test(userAgent);
+var isSupportTouch = 'ontouchstart' in window || navigator.MaxTouchPoints > 0 || navigator.msMaxTouchPoints > 0; // [workaround] IE doesn't have input events for contentEditable
+// - see: https://goo.gl/4bfIvA
+
+var inputEventName = isMSIE ? 'DOMCharacterDataModified DOMSubtreeModified DOMNodeInserted' : 'input';
+/**
+ * @class core.env
+ *
+ * Object which check platform and agent
+ *
+ * @singleton
+ * @alternateClassName env
+ */
+
+/* harmony default export */ var env = ({
+  isMac: navigator.appVersion.indexOf('Mac') > -1,
+  isMSIE: isMSIE,
+  isEdge: isEdge,
+  isFF: !isEdge && /firefox/i.test(userAgent),
+  isPhantom: /PhantomJS/i.test(userAgent),
+  isWebkit: !isEdge && /webkit/i.test(userAgent),
+  isChrome: !isEdge && /chrome/i.test(userAgent),
+  isSafari: !isEdge && /safari/i.test(userAgent) && !/chrome/i.test(userAgent),
+  browserVersion: browserVersion,
+  jqueryVersion: parseFloat(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.fn.jquery),
+  isSupportAmd: isSupportAmd,
+  isSupportTouch: isSupportTouch,
+  isFontInstalled: env_isFontInstalled,
+  isW3CRangeSupport: !!document.createRange,
+  inputEventName: inputEventName,
+  genericFontFamilies: genericFontFamilies,
+  validFontName: validFontName
+});
+// CONCATENATED MODULE: ./src/js/base/core/func.js
+
+/**
+ * @class core.func
+ *
+ * func utils (for high-order func's arg)
+ *
+ * @singleton
+ * @alternateClassName func
+ */
+
+function eq(itemA) {
+  return function (itemB) {
+    return itemA === itemB;
+  };
+}
+
+function eq2(itemA, itemB) {
+  return itemA === itemB;
+}
+
+function peq2(propName) {
+  return function (itemA, itemB) {
+    return itemA[propName] === itemB[propName];
+  };
+}
+
+function ok() {
+  return true;
+}
+
+function fail() {
+  return false;
+}
+
+function not(f) {
+  return function () {
+    return !f.apply(f, arguments);
+  };
+}
+
+function and(fA, fB) {
+  return function (item) {
+    return fA(item) && fB(item);
+  };
+}
+
+function func_self(a) {
+  return a;
+}
+
+function func_invoke(obj, method) {
+  return function () {
+    return obj[method].apply(obj, arguments);
+  };
+}
+
+var idCounter = 0;
+/**
+ * reset globally-unique id
+ *
+ */
+
+function resetUniqueId() {
+  idCounter = 0;
+}
+/**
+ * generate a globally-unique id
+ *
+ * @param {String} [prefix]
+ */
+
+
+function uniqueId(prefix) {
+  var id = ++idCounter + '';
+  return prefix ? prefix + id : id;
+}
+/**
+ * returns bnd (bounds) from rect
+ *
+ * - IE Compatibility Issue: http://goo.gl/sRLOAo
+ * - Scroll Issue: http://goo.gl/sNjUc
+ *
+ * @param {Rect} rect
+ * @return {Object} bounds
+ * @return {Number} bounds.top
+ * @return {Number} bounds.left
+ * @return {Number} bounds.width
+ * @return {Number} bounds.height
+ */
+
+
+function rect2bnd(rect) {
+  var $document = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document);
+  return {
+    top: rect.top + $document.scrollTop(),
+    left: rect.left + $document.scrollLeft(),
+    width: rect.right - rect.left,
+    height: rect.bottom - rect.top
+  };
+}
+/**
+ * returns a copy of the object where the keys have become the values and the values the keys.
+ * @param {Object} obj
+ * @return {Object}
+ */
+
+
+function invertObject(obj) {
+  var inverted = {};
+
+  for (var key in obj) {
+    if (Object.prototype.hasOwnProperty.call(obj, key)) {
+      inverted[obj[key]] = key;
+    }
+  }
+
+  return inverted;
+}
+/**
+ * @param {String} namespace
+ * @param {String} [prefix]
+ * @return {String}
+ */
+
+
+function namespaceToCamel(namespace, prefix) {
+  prefix = prefix || '';
+  return prefix + namespace.split('.').map(function (name) {
+    return name.substring(0, 1).toUpperCase() + name.substring(1);
+  }).join('');
+}
+/**
+ * Returns a function, that, as long as it continues to be invoked, will not
+ * be triggered. The function will be called after it stops being called for
+ * N milliseconds. If `immediate` is passed, trigger the function on the
+ * leading edge, instead of the trailing.
+ * @param {Function} func
+ * @param {Number} wait
+ * @param {Boolean} immediate
+ * @return {Function}
+ */
+
+
+function debounce(func, wait, immediate) {
+  var timeout;
+  return function () {
+    var context = this;
+    var args = arguments;
+
+    var later = function later() {
+      timeout = null;
+
+      if (!immediate) {
+        func.apply(context, args);
+      }
+    };
+
+    var callNow = immediate && !timeout;
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+
+    if (callNow) {
+      func.apply(context, args);
+    }
+  };
+}
+/**
+ *
+ * @param {String} url
+ * @return {Boolean}
+ */
+
+
+function isValidUrl(url) {
+  var expression = /[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,6}\b([-a-zA-Z0-9@:%_\+.~#?&//=]*)/gi;
+  return expression.test(url);
+}
+
+/* harmony default export */ var func = ({
+  eq: eq,
+  eq2: eq2,
+  peq2: peq2,
+  ok: ok,
+  fail: fail,
+  self: func_self,
+  not: not,
+  and: and,
+  invoke: func_invoke,
+  resetUniqueId: resetUniqueId,
+  uniqueId: uniqueId,
+  rect2bnd: rect2bnd,
+  invertObject: invertObject,
+  namespaceToCamel: namespaceToCamel,
+  debounce: debounce,
+  isValidUrl: isValidUrl
+});
+// CONCATENATED MODULE: ./src/js/base/core/lists.js
+
+/**
+ * returns the first item of an array.
+ *
+ * @param {Array} array
+ */
+
+function lists_head(array) {
+  return array[0];
+}
+/**
+ * returns the last item of an array.
+ *
+ * @param {Array} array
+ */
+
+
+function lists_last(array) {
+  return array[array.length - 1];
+}
+/**
+ * returns everything but the last entry of the array.
+ *
+ * @param {Array} array
+ */
+
+
+function initial(array) {
+  return array.slice(0, array.length - 1);
+}
+/**
+ * returns the rest of the items in an array.
+ *
+ * @param {Array} array
+ */
+
+
+function tail(array) {
+  return array.slice(1);
+}
+/**
+ * returns item of array
+ */
+
+
+function find(array, pred) {
+  for (var idx = 0, len = array.length; idx < len; idx++) {
+    var item = array[idx];
+
+    if (pred(item)) {
+      return item;
+    }
+  }
+}
+/**
+ * returns true if all of the values in the array pass the predicate truth test.
+ */
+
+
+function lists_all(array, pred) {
+  for (var idx = 0, len = array.length; idx < len; idx++) {
+    if (!pred(array[idx])) {
+      return false;
+    }
+  }
+
+  return true;
+}
+/**
+ * returns true if the value is present in the list.
+ */
+
+
+function contains(array, item) {
+  if (array && array.length && item) {
+    if (array.indexOf) {
+      return array.indexOf(item) !== -1;
+    } else if (array.contains) {
+      // `DOMTokenList` doesn't implement `.indexOf`, but it implements `.contains`
+      return array.contains(item);
+    }
+  }
+
+  return false;
+}
+/**
+ * get sum from a list
+ *
+ * @param {Array} array - array
+ * @param {Function} fn - iterator
+ */
+
+
+function sum(array, fn) {
+  fn = fn || func.self;
+  return array.reduce(function (memo, v) {
+    return memo + fn(v);
+  }, 0);
+}
+/**
+ * returns a copy of the collection with array type.
+ * @param {Collection} collection - collection eg) node.childNodes, ...
+ */
+
+
+function from(collection) {
+  var result = [];
+  var length = collection.length;
+  var idx = -1;
+
+  while (++idx < length) {
+    result[idx] = collection[idx];
+  }
+
+  return result;
+}
+/**
+ * returns whether list is empty or not
+ */
+
+
+function lists_isEmpty(array) {
+  return !array || !array.length;
+}
+/**
+ * cluster elements by predicate function.
+ *
+ * @param {Array} array - array
+ * @param {Function} fn - predicate function for cluster rule
+ * @param {Array[]}
+ */
+
+
+function clusterBy(array, fn) {
+  if (!array.length) {
+    return [];
+  }
+
+  var aTail = tail(array);
+  return aTail.reduce(function (memo, v) {
+    var aLast = lists_last(memo);
+
+    if (fn(lists_last(aLast), v)) {
+      aLast[aLast.length] = v;
+    } else {
+      memo[memo.length] = [v];
+    }
+
+    return memo;
+  }, [[lists_head(array)]]);
+}
+/**
+ * returns a copy of the array with all false values removed
+ *
+ * @param {Array} array - array
+ * @param {Function} fn - predicate function for cluster rule
+ */
+
+
+function compact(array) {
+  var aResult = [];
+
+  for (var idx = 0, len = array.length; idx < len; idx++) {
+    if (array[idx]) {
+      aResult.push(array[idx]);
+    }
+  }
+
+  return aResult;
+}
+/**
+ * produces a duplicate-free version of the array
+ *
+ * @param {Array} array
+ */
+
+
+function unique(array) {
+  var results = [];
+
+  for (var idx = 0, len = array.length; idx < len; idx++) {
+    if (!contains(results, array[idx])) {
+      results.push(array[idx]);
+    }
+  }
+
+  return results;
+}
+/**
+ * returns next item.
+ * @param {Array} array
+ */
+
+
+function lists_next(array, item) {
+  if (array && array.length && item) {
+    var idx = array.indexOf(item);
+    return idx === -1 ? null : array[idx + 1];
+  }
+
+  return null;
+}
+/**
+ * returns prev item.
+ * @param {Array} array
+ */
+
+
+function prev(array, item) {
+  if (array && array.length && item) {
+    var idx = array.indexOf(item);
+    return idx === -1 ? null : array[idx - 1];
+  }
+
+  return null;
+}
+/**
+ * @class core.list
+ *
+ * list utils
+ *
+ * @singleton
+ * @alternateClassName list
+ */
+
+
+/* harmony default export */ var lists = ({
+  head: lists_head,
+  last: lists_last,
+  initial: initial,
+  tail: tail,
+  prev: prev,
+  next: lists_next,
+  find: find,
+  contains: contains,
+  all: lists_all,
+  sum: sum,
+  from: from,
+  isEmpty: lists_isEmpty,
+  clusterBy: clusterBy,
+  compact: compact,
+  unique: unique
+});
+// CONCATENATED MODULE: ./src/js/base/core/dom.js
+
+
+
+
+var NBSP_CHAR = String.fromCharCode(160);
+var ZERO_WIDTH_NBSP_CHAR = "\uFEFF";
+/**
+ * @method isEditable
+ *
+ * returns whether node is `note-editable` or not.
+ *
+ * @param {Node} node
+ * @return {Boolean}
+ */
+
+function isEditable(node) {
+  return node && external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(node).hasClass('note-editable');
+}
+/**
+ * @method isControlSizing
+ *
+ * returns whether node is `note-control-sizing` or not.
+ *
+ * @param {Node} node
+ * @return {Boolean}
+ */
+
+
+function isControlSizing(node) {
+  return node && external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(node).hasClass('note-control-sizing');
+}
+/**
+ * @method makePredByNodeName
+ *
+ * returns predicate which judge whether nodeName is same
+ *
+ * @param {String} nodeName
+ * @return {Function}
+ */
+
+
+function makePredByNodeName(nodeName) {
+  nodeName = nodeName.toUpperCase();
+  return function (node) {
+    return node && node.nodeName.toUpperCase() === nodeName;
+  };
+}
+/**
+ * @method isText
+ *
+ *
+ *
+ * @param {Node} node
+ * @return {Boolean} true if node's type is text(3)
+ */
+
+
+function isText(node) {
+  return node && node.nodeType === 3;
+}
+/**
+ * @method isElement
+ *
+ *
+ *
+ * @param {Node} node
+ * @return {Boolean} true if node's type is element(1)
+ */
+
+
+function isElement(node) {
+  return node && node.nodeType === 1;
+}
+/**
+ * ex) br, col, embed, hr, img, input, ...
+ * @see http://www.w3.org/html/wg/drafts/html/master/syntax.html#void-elements
+ */
+
+
+function isVoid(node) {
+  return node && /^BR|^IMG|^HR|^IFRAME|^BUTTON|^INPUT|^AUDIO|^VIDEO|^EMBED/.test(node.nodeName.toUpperCase());
+}
+
+function isPara(node) {
+  if (isEditable(node)) {
+    return false;
+  } // Chrome(v31.0), FF(v25.0.1) use DIV for paragraph
+
+
+  return node && /^DIV|^P|^LI|^H[1-7]/.test(node.nodeName.toUpperCase());
+}
+
+function isHeading(node) {
+  return node && /^H[1-7]/.test(node.nodeName.toUpperCase());
+}
+
+var isPre = makePredByNodeName('PRE');
+var isLi = makePredByNodeName('LI');
+
+function isPurePara(node) {
+  return isPara(node) && !isLi(node);
+}
+
+var isTable = makePredByNodeName('TABLE');
+var isData = makePredByNodeName('DATA');
+
+function dom_isInline(node) {
+  return !isBodyContainer(node) && !isList(node) && !isHr(node) && !isPara(node) && !isTable(node) && !isBlockquote(node) && !isData(node);
+}
+
+function isList(node) {
+  return node && /^UL|^OL/.test(node.nodeName.toUpperCase());
+}
+
+var isHr = makePredByNodeName('HR');
+
+function dom_isCell(node) {
+  return node && /^TD|^TH/.test(node.nodeName.toUpperCase());
+}
+
+var isBlockquote = makePredByNodeName('BLOCKQUOTE');
+
+function isBodyContainer(node) {
+  return dom_isCell(node) || isBlockquote(node) || isEditable(node);
+}
+
+var isAnchor = makePredByNodeName('A');
+
+function isParaInline(node) {
+  return dom_isInline(node) && !!dom_ancestor(node, isPara);
+}
+
+function isBodyInline(node) {
+  return dom_isInline(node) && !dom_ancestor(node, isPara);
+}
+
+var isBody = makePredByNodeName('BODY');
+/**
+ * returns whether nodeB is closest sibling of nodeA
+ *
+ * @param {Node} nodeA
+ * @param {Node} nodeB
+ * @return {Boolean}
+ */
+
+function isClosestSibling(nodeA, nodeB) {
+  return nodeA.nextSibling === nodeB || nodeA.previousSibling === nodeB;
+}
+/**
+ * returns array of closest siblings with node
+ *
+ * @param {Node} node
+ * @param {function} [pred] - predicate function
+ * @return {Node[]}
+ */
+
+
+function withClosestSiblings(node, pred) {
+  pred = pred || func.ok;
+  var siblings = [];
+
+  if (node.previousSibling && pred(node.previousSibling)) {
+    siblings.push(node.previousSibling);
+  }
+
+  siblings.push(node);
+
+  if (node.nextSibling && pred(node.nextSibling)) {
+    siblings.push(node.nextSibling);
+  }
+
+  return siblings;
+}
+/**
+ * blank HTML for cursor position
+ * - [workaround] old IE only works with &nbsp;
+ * - [workaround] IE11 and other browser works with bogus br
+ */
+
+
+var blankHTML = env.isMSIE && env.browserVersion < 11 ? '&nbsp;' : '<br>';
+/**
+ * @method nodeLength
+ *
+ * returns #text's text size or element's childNodes size
+ *
+ * @param {Node} node
+ */
+
+function nodeLength(node) {
+  if (isText(node)) {
+    return node.nodeValue.length;
+  }
+
+  if (node) {
+    return node.childNodes.length;
+  }
+
+  return 0;
+}
+/**
+ * returns whether deepest child node is empty or not.
+ *
+ * @param {Node} node
+ * @return {Boolean}
+ */
+
+
+function deepestChildIsEmpty(node) {
+  do {
+    if (node.firstElementChild === null || node.firstElementChild.innerHTML === '') break;
+  } while (node = node.firstElementChild);
+
+  return dom_isEmpty(node);
+}
+/**
+ * returns whether node is empty or not.
+ *
+ * @param {Node} node
+ * @return {Boolean}
+ */
+
+
+function dom_isEmpty(node) {
+  var len = nodeLength(node);
+
+  if (len === 0) {
+    return true;
+  } else if (!isText(node) && len === 1 && node.innerHTML === blankHTML) {
+    // ex) <p><br></p>, <span><br></span>
+    return true;
+  } else if (lists.all(node.childNodes, isText) && node.innerHTML === '') {
+    // ex) <p></p>, <span></span>
+    return true;
+  }
+
+  return false;
+}
+/**
+ * padding blankHTML if node is empty (for cursor position)
+ */
+
+
+function paddingBlankHTML(node) {
+  if (!isVoid(node) && !nodeLength(node)) {
+    node.innerHTML = blankHTML;
+  }
+}
+/**
+ * find nearest ancestor predicate hit
+ *
+ * @param {Node} node
+ * @param {Function} pred - predicate function
+ */
+
+
+function dom_ancestor(node, pred) {
+  while (node) {
+    if (pred(node)) {
+      return node;
+    }
+
+    if (isEditable(node)) {
+      break;
+    }
+
+    node = node.parentNode;
+  }
+
+  return null;
+}
+/**
+ * find nearest ancestor only single child blood line and predicate hit
+ *
+ * @param {Node} node
+ * @param {Function} pred - predicate function
+ */
+
+
+function singleChildAncestor(node, pred) {
+  node = node.parentNode;
+
+  while (node) {
+    if (nodeLength(node) !== 1) {
+      break;
+    }
+
+    if (pred(node)) {
+      return node;
+    }
+
+    if (isEditable(node)) {
+      break;
+    }
+
+    node = node.parentNode;
+  }
+
+  return null;
+}
+/**
+ * returns new array of ancestor nodes (until predicate hit).
+ *
+ * @param {Node} node
+ * @param {Function} [optional] pred - predicate function
+ */
+
+
+function listAncestor(node, pred) {
+  pred = pred || func.fail;
+  var ancestors = [];
+  dom_ancestor(node, function (el) {
+    if (!isEditable(el)) {
+      ancestors.push(el);
+    }
+
+    return pred(el);
+  });
+  return ancestors;
+}
+/**
+ * find farthest ancestor predicate hit
+ */
+
+
+function lastAncestor(node, pred) {
+  var ancestors = listAncestor(node);
+  return lists.last(ancestors.filter(pred));
+}
+/**
+ * returns common ancestor node between two nodes.
+ *
+ * @param {Node} nodeA
+ * @param {Node} nodeB
+ */
+
+
+function dom_commonAncestor(nodeA, nodeB) {
+  var ancestors = listAncestor(nodeA);
+
+  for (var n = nodeB; n; n = n.parentNode) {
+    if (ancestors.indexOf(n) > -1) return n;
+  }
+
+  return null; // difference document area
+}
+/**
+ * listing all previous siblings (until predicate hit).
+ *
+ * @param {Node} node
+ * @param {Function} [optional] pred - predicate function
+ */
+
+
+function listPrev(node, pred) {
+  pred = pred || func.fail;
+  var nodes = [];
+
+  while (node) {
+    if (pred(node)) {
+      break;
+    }
+
+    nodes.push(node);
+    node = node.previousSibling;
+  }
+
+  return nodes;
+}
+/**
+ * listing next siblings (until predicate hit).
+ *
+ * @param {Node} node
+ * @param {Function} [pred] - predicate function
+ */
+
+
+function listNext(node, pred) {
+  pred = pred || func.fail;
+  var nodes = [];
+
+  while (node) {
+    if (pred(node)) {
+      break;
+    }
+
+    nodes.push(node);
+    node = node.nextSibling;
+  }
+
+  return nodes;
+}
+/**
+ * listing descendant nodes
+ *
+ * @param {Node} node
+ * @param {Function} [pred] - predicate function
+ */
+
+
+function listDescendant(node, pred) {
+  var descendants = [];
+  pred = pred || func.ok; // start DFS(depth first search) with node
+
+  (function fnWalk(current) {
+    if (node !== current && pred(current)) {
+      descendants.push(current);
+    }
+
+    for (var idx = 0, len = current.childNodes.length; idx < len; idx++) {
+      fnWalk(current.childNodes[idx]);
+    }
+  })(node);
+
+  return descendants;
+}
+/**
+ * wrap node with new tag.
+ *
+ * @param {Node} node
+ * @param {Node} tagName of wrapper
+ * @return {Node} - wrapper
+ */
+
+
+function wrap(node, wrapperName) {
+  var parent = node.parentNode;
+  var wrapper = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<' + wrapperName + '>')[0];
+  parent.insertBefore(wrapper, node);
+  wrapper.appendChild(node);
+  return wrapper;
+}
+/**
+ * insert node after preceding
+ *
+ * @param {Node} node
+ * @param {Node} preceding - predicate function
+ */
+
+
+function insertAfter(node, preceding) {
+  var next = preceding.nextSibling;
+  var parent = preceding.parentNode;
+
+  if (next) {
+    parent.insertBefore(node, next);
+  } else {
+    parent.appendChild(node);
+  }
+
+  return node;
+}
+/**
+ * append elements.
+ *
+ * @param {Node} node
+ * @param {Collection} aChild
+ */
+
+
+function appendChildNodes(node, aChild) {
+  external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(aChild, function (idx, child) {
+    node.appendChild(child);
+  });
+  return node;
+}
+/**
+ * returns whether boundaryPoint is left edge or not.
+ *
+ * @param {BoundaryPoint} point
+ * @return {Boolean}
+ */
+
+
+function isLeftEdgePoint(point) {
+  return point.offset === 0;
+}
+/**
+ * returns whether boundaryPoint is right edge or not.
+ *
+ * @param {BoundaryPoint} point
+ * @return {Boolean}
+ */
+
+
+function isRightEdgePoint(point) {
+  return point.offset === nodeLength(point.node);
+}
+/**
+ * returns whether boundaryPoint is edge or not.
+ *
+ * @param {BoundaryPoint} point
+ * @return {Boolean}
+ */
+
+
+function isEdgePoint(point) {
+  return isLeftEdgePoint(point) || isRightEdgePoint(point);
+}
+/**
+ * returns whether node is left edge of ancestor or not.
+ *
+ * @param {Node} node
+ * @param {Node} ancestor
+ * @return {Boolean}
+ */
+
+
+function dom_isLeftEdgeOf(node, ancestor) {
+  while (node && node !== ancestor) {
+    if (dom_position(node) !== 0) {
+      return false;
+    }
+
+    node = node.parentNode;
+  }
+
+  return true;
+}
+/**
+ * returns whether node is right edge of ancestor or not.
+ *
+ * @param {Node} node
+ * @param {Node} ancestor
+ * @return {Boolean}
+ */
+
+
+function isRightEdgeOf(node, ancestor) {
+  if (!ancestor) {
+    return false;
+  }
+
+  while (node && node !== ancestor) {
+    if (dom_position(node) !== nodeLength(node.parentNode) - 1) {
+      return false;
+    }
+
+    node = node.parentNode;
+  }
+
+  return true;
+}
+/**
+ * returns whether point is left edge of ancestor or not.
+ * @param {BoundaryPoint} point
+ * @param {Node} ancestor
+ * @return {Boolean}
+ */
+
+
+function isLeftEdgePointOf(point, ancestor) {
+  return isLeftEdgePoint(point) && dom_isLeftEdgeOf(point.node, ancestor);
+}
+/**
+ * returns whether point is right edge of ancestor or not.
+ * @param {BoundaryPoint} point
+ * @param {Node} ancestor
+ * @return {Boolean}
+ */
+
+
+function isRightEdgePointOf(point, ancestor) {
+  return isRightEdgePoint(point) && isRightEdgeOf(point.node, ancestor);
+}
+/**
+ * returns offset from parent.
+ *
+ * @param {Node} node
+ */
+
+
+function dom_position(node) {
+  var offset = 0;
+
+  while (node = node.previousSibling) {
+    offset += 1;
+  }
+
+  return offset;
+}
+
+function hasChildren(node) {
+  return !!(node && node.childNodes && node.childNodes.length);
+}
+/**
+ * returns previous boundaryPoint
+ *
+ * @param {BoundaryPoint} point
+ * @param {Boolean} isSkipInnerOffset
+ * @return {BoundaryPoint}
+ */
+
+
+function dom_prevPoint(point, isSkipInnerOffset) {
+  var node;
+  var offset;
+
+  if (point.offset === 0) {
+    if (isEditable(point.node)) {
+      return null;
+    }
+
+    node = point.node.parentNode;
+    offset = dom_position(point.node);
+  } else if (hasChildren(point.node)) {
+    node = point.node.childNodes[point.offset - 1];
+    offset = nodeLength(node);
+  } else {
+    node = point.node;
+    offset = isSkipInnerOffset ? 0 : point.offset - 1;
+  }
+
+  return {
+    node: node,
+    offset: offset
+  };
+}
+/**
+ * returns next boundaryPoint
+ *
+ * @param {BoundaryPoint} point
+ * @param {Boolean} isSkipInnerOffset
+ * @return {BoundaryPoint}
+ */
+
+
+function dom_nextPoint(point, isSkipInnerOffset) {
+  var node, offset;
+
+  if (nodeLength(point.node) === point.offset) {
+    if (isEditable(point.node)) {
+      return null;
+    }
+
+    var nextTextNode = getNextTextNode(point.node);
+
+    if (nextTextNode) {
+      node = nextTextNode;
+      offset = 0;
+    } else {
+      node = point.node.parentNode;
+      offset = dom_position(point.node) + 1;
+    }
+  } else if (hasChildren(point.node)) {
+    node = point.node.childNodes[point.offset];
+    offset = 0;
+  } else {
+    node = point.node;
+    offset = isSkipInnerOffset ? nodeLength(point.node) : point.offset + 1;
+  }
+
+  return {
+    node: node,
+    offset: offset
+  };
+}
+/**
+ * returns next boundaryPoint with empty node
+ *
+ * @param {BoundaryPoint} point
+ * @param {Boolean} isSkipInnerOffset
+ * @return {BoundaryPoint}
+ */
+
+
+function nextPointWithEmptyNode(point, isSkipInnerOffset) {
+  var node, offset; // if node is empty string node, return current node's sibling.
+
+  if (dom_isEmpty(point.node)) {
+    node = point.node.nextSibling;
+    offset = 0;
+    return {
+      node: node,
+      offset: offset
+    };
+  }
+
+  if (nodeLength(point.node) === point.offset) {
+    if (isEditable(point.node)) {
+      return null;
+    }
+
+    var nextTextNode = getNextTextNode(point.node);
+
+    if (nextTextNode) {
+      node = nextTextNode;
+      offset = 0;
+    } else {
+      node = point.node.parentNode;
+      offset = dom_position(point.node) + 1;
+    } // if next node is editable, return current node's sibling node.
+
+
+    if (isEditable(node)) {
+      node = point.node.nextSibling;
+      offset = 0;
+    }
+  } else if (hasChildren(point.node)) {
+    node = point.node.childNodes[point.offset];
+    offset = 0;
+
+    if (dom_isEmpty(node)) {
+      return null;
+    }
+  } else {
+    node = point.node;
+    offset = isSkipInnerOffset ? nodeLength(point.node) : point.offset + 1;
+
+    if (dom_isEmpty(node)) {
+      return null;
+    }
+  }
+
+  return {
+    node: node,
+    offset: offset
+  };
+}
+/*
+* returns the next Text node index or 0 if not found.
+*/
+
+
+function getNextTextNode(actual) {
+  if (!actual.nextSibling) return undefined;
+  if (actual.parent !== actual.nextSibling.parent) return undefined;
+  if (isText(actual.nextSibling)) return actual.nextSibling;
+  return getNextTextNode(actual.nextSibling);
+}
+/**
+ * returns whether pointA and pointB is same or not.
+ *
+ * @param {BoundaryPoint} pointA
+ * @param {BoundaryPoint} pointB
+ * @return {Boolean}
+ */
+
+
+function isSamePoint(pointA, pointB) {
+  return pointA.node === pointB.node && pointA.offset === pointB.offset;
+}
+/**
+ * returns whether point is visible (can set cursor) or not.
+ *
+ * @param {BoundaryPoint} point
+ * @return {Boolean}
+ */
+
+
+function isVisiblePoint(point) {
+  if (isText(point.node) || !hasChildren(point.node) || dom_isEmpty(point.node)) {
+    return true;
+  }
+
+  var leftNode = point.node.childNodes[point.offset - 1];
+  var rightNode = point.node.childNodes[point.offset];
+
+  if ((!leftNode || isVoid(leftNode)) && (!rightNode || isVoid(rightNode))) {
+    return true;
+  }
+
+  return false;
+}
+/**
+ * @method prevPointUtil
+ *
+ * @param {BoundaryPoint} point
+ * @param {Function} pred
+ * @return {BoundaryPoint}
+ */
+
+
+function prevPointUntil(point, pred) {
+  while (point) {
+    if (pred(point)) {
+      return point;
+    }
+
+    point = dom_prevPoint(point);
+  }
+
+  return null;
+}
+/**
+ * @method nextPointUntil
+ *
+ * @param {BoundaryPoint} point
+ * @param {Function} pred
+ * @return {BoundaryPoint}
+ */
+
+
+function nextPointUntil(point, pred) {
+  while (point) {
+    if (pred(point)) {
+      return point;
+    }
+
+    point = dom_nextPoint(point);
+  }
+
+  return null;
+}
+/**
+ * returns whether point has character or not.
+ *
+ * @param {Point} point
+ * @return {Boolean}
+ */
+
+
+function isCharPoint(point) {
+  if (!isText(point.node)) {
+    return false;
+  }
+
+  var ch = point.node.nodeValue.charAt(point.offset - 1);
+  return ch && ch !== ' ' && ch !== NBSP_CHAR;
+}
+/**
+ * returns whether point has space or not.
+ *
+ * @param {Point} point
+ * @return {Boolean}
+ */
+
+
+function isSpacePoint(point) {
+  if (!isText(point.node)) {
+    return false;
+  }
+
+  var ch = point.node.nodeValue.charAt(point.offset - 1);
+  return ch === ' ' || ch === NBSP_CHAR;
+}
+/**
+ * @method walkPoint
+ *
+ * @param {BoundaryPoint} startPoint
+ * @param {BoundaryPoint} endPoint
+ * @param {Function} handler
+ * @param {Boolean} isSkipInnerOffset
+ */
+
+
+function walkPoint(startPoint, endPoint, handler, isSkipInnerOffset) {
+  var point = startPoint;
+
+  while (point) {
+    handler(point);
+
+    if (isSamePoint(point, endPoint)) {
+      break;
+    }
+
+    var isSkipOffset = isSkipInnerOffset && startPoint.node !== point.node && endPoint.node !== point.node;
+    point = nextPointWithEmptyNode(point, isSkipOffset);
+  }
+}
+/**
+ * @method makeOffsetPath
+ *
+ * return offsetPath(array of offset) from ancestor
+ *
+ * @param {Node} ancestor - ancestor node
+ * @param {Node} node
+ */
+
+
+function makeOffsetPath(ancestor, node) {
+  var ancestors = listAncestor(node, func.eq(ancestor));
+  return ancestors.map(dom_position).reverse();
+}
+/**
+ * @method fromOffsetPath
+ *
+ * return element from offsetPath(array of offset)
+ *
+ * @param {Node} ancestor - ancestor node
+ * @param {array} offsets - offsetPath
+ */
+
+
+function fromOffsetPath(ancestor, offsets) {
+  var current = ancestor;
+
+  for (var i = 0, len = offsets.length; i < len; i++) {
+    if (current.childNodes.length <= offsets[i]) {
+      current = current.childNodes[current.childNodes.length - 1];
+    } else {
+      current = current.childNodes[offsets[i]];
+    }
+  }
+
+  return current;
+}
+/**
+ * @method splitNode
+ *
+ * split element or #text
+ *
+ * @param {BoundaryPoint} point
+ * @param {Object} [options]
+ * @param {Boolean} [options.isSkipPaddingBlankHTML] - default: false
+ * @param {Boolean} [options.isNotSplitEdgePoint] - default: false
+ * @param {Boolean} [options.isDiscardEmptySplits] - default: false
+ * @return {Node} right node of boundaryPoint
+ */
+
+
+function splitNode(point, options) {
+  var isSkipPaddingBlankHTML = options && options.isSkipPaddingBlankHTML;
+  var isNotSplitEdgePoint = options && options.isNotSplitEdgePoint;
+  var isDiscardEmptySplits = options && options.isDiscardEmptySplits;
+
+  if (isDiscardEmptySplits) {
+    isSkipPaddingBlankHTML = true;
+  } // edge case
+
+
+  if (isEdgePoint(point) && (isText(point.node) || isNotSplitEdgePoint)) {
+    if (isLeftEdgePoint(point)) {
+      return point.node;
+    } else if (isRightEdgePoint(point)) {
+      return point.node.nextSibling;
+    }
+  } // split #text
+
+
+  if (isText(point.node)) {
+    return point.node.splitText(point.offset);
+  } else {
+    var childNode = point.node.childNodes[point.offset];
+    var clone = insertAfter(point.node.cloneNode(false), point.node);
+    appendChildNodes(clone, listNext(childNode));
+
+    if (!isSkipPaddingBlankHTML) {
+      paddingBlankHTML(point.node);
+      paddingBlankHTML(clone);
+    }
+
+    if (isDiscardEmptySplits) {
+      if (dom_isEmpty(point.node)) {
+        remove(point.node);
+      }
+
+      if (dom_isEmpty(clone)) {
+        remove(clone);
+        return point.node.nextSibling;
+      }
+    }
+
+    return clone;
+  }
+}
+/**
+ * @method splitTree
+ *
+ * split tree by point
+ *
+ * @param {Node} root - split root
+ * @param {BoundaryPoint} point
+ * @param {Object} [options]
+ * @param {Boolean} [options.isSkipPaddingBlankHTML] - default: false
+ * @param {Boolean} [options.isNotSplitEdgePoint] - default: false
+ * @return {Node} right node of boundaryPoint
+ */
+
+
+function splitTree(root, point, options) {
+  // ex) [#text, <span>, <p>]
+  var ancestors = listAncestor(point.node, func.eq(root));
+
+  if (!ancestors.length) {
+    return null;
+  } else if (ancestors.length === 1) {
+    return splitNode(point, options);
+  }
+
+  return ancestors.reduce(function (node, parent) {
+    if (node === point.node) {
+      node = splitNode(point, options);
+    }
+
+    return splitNode({
+      node: parent,
+      offset: node ? dom_position(node) : nodeLength(parent)
+    }, options);
+  });
+}
+/**
+ * split point
+ *
+ * @param {Point} point
+ * @param {Boolean} isInline
+ * @return {Object}
+ */
+
+
+function splitPoint(point, isInline) {
+  // find splitRoot, container
+  //  - inline: splitRoot is a child of paragraph
+  //  - block: splitRoot is a child of bodyContainer
+  var pred = isInline ? isPara : isBodyContainer;
+  var ancestors = listAncestor(point.node, pred);
+  var topAncestor = lists.last(ancestors) || point.node;
+  var splitRoot, container;
+
+  if (pred(topAncestor)) {
+    splitRoot = ancestors[ancestors.length - 2];
+    container = topAncestor;
+  } else {
+    splitRoot = topAncestor;
+    container = splitRoot.parentNode;
+  } // if splitRoot is exists, split with splitTree
+
+
+  var pivot = splitRoot && splitTree(splitRoot, point, {
+    isSkipPaddingBlankHTML: isInline,
+    isNotSplitEdgePoint: isInline
+  }); // if container is point.node, find pivot with point.offset
+
+  if (!pivot && container === point.node) {
+    pivot = point.node.childNodes[point.offset];
+  }
+
+  return {
+    rightNode: pivot,
+    container: container
+  };
+}
+
+function dom_create(nodeName) {
+  return document.createElement(nodeName);
+}
+
+function createText(text) {
+  return document.createTextNode(text);
+}
+/**
+ * @method remove
+ *
+ * remove node, (isRemoveChild: remove child or not)
+ *
+ * @param {Node} node
+ * @param {Boolean} isRemoveChild
+ */
+
+
+function remove(node, isRemoveChild) {
+  if (!node || !node.parentNode) {
+    return;
+  }
+
+  if (node.removeNode) {
+    return node.removeNode(isRemoveChild);
+  }
+
+  var parent = node.parentNode;
+
+  if (!isRemoveChild) {
+    var nodes = [];
+
+    for (var i = 0, len = node.childNodes.length; i < len; i++) {
+      nodes.push(node.childNodes[i]);
+    }
+
+    for (var _i = 0, _len = nodes.length; _i < _len; _i++) {
+      parent.insertBefore(nodes[_i], node);
+    }
+  }
+
+  parent.removeChild(node);
+}
+/**
+ * @method removeWhile
+ *
+ * @param {Node} node
+ * @param {Function} pred
+ */
+
+
+function removeWhile(node, pred) {
+  while (node) {
+    if (isEditable(node) || !pred(node)) {
+      break;
+    }
+
+    var parent = node.parentNode;
+    remove(node);
+    node = parent;
+  }
+}
+/**
+ * @method replace
+ *
+ * replace node with provided nodeName
+ *
+ * @param {Node} node
+ * @param {String} nodeName
+ * @return {Node} - new node
+ */
+
+
+function dom_replace(node, nodeName) {
+  if (node.nodeName.toUpperCase() === nodeName.toUpperCase()) {
+    return node;
+  }
+
+  var newNode = dom_create(nodeName);
+
+  if (node.style.cssText) {
+    newNode.style.cssText = node.style.cssText;
+  }
+
+  appendChildNodes(newNode, lists.from(node.childNodes));
+  insertAfter(newNode, node);
+  remove(node);
+  return newNode;
+}
+
+var isTextarea = makePredByNodeName('TEXTAREA');
+/**
+ * @param {jQuery} $node
+ * @param {Boolean} [stripLinebreaks] - default: false
+ */
+
+function dom_value($node, stripLinebreaks) {
+  var val = isTextarea($node[0]) ? $node.val() : $node.html();
+
+  if (stripLinebreaks) {
+    return val.replace(/[\n\r]/g, '');
+  }
+
+  return val;
+}
+/**
+ * @method html
+ *
+ * get the HTML contents of node
+ *
+ * @param {jQuery} $node
+ * @param {Boolean} [isNewlineOnBlock]
+ */
+
+
+function dom_html($node, isNewlineOnBlock) {
+  var markup = dom_value($node);
+
+  if (isNewlineOnBlock) {
+    var regexTag = /<(\/?)(\b(?!!)[^>\s]*)(.*?)(\s*\/?>)/g;
+    markup = markup.replace(regexTag, function (match, endSlash, name) {
+      name = name.toUpperCase();
+      var isEndOfInlineContainer = /^DIV|^TD|^TH|^P|^LI|^H[1-7]/.test(name) && !!endSlash;
+      var isBlockNode = /^BLOCKQUOTE|^TABLE|^TBODY|^TR|^HR|^UL|^OL/.test(name);
+      return match + (isEndOfInlineContainer || isBlockNode ? '\n' : '');
+    });
+    markup = markup.trim();
+  }
+
+  return markup;
+}
+
+function posFromPlaceholder(placeholder) {
+  var $placeholder = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(placeholder);
+  var pos = $placeholder.offset();
+  var height = $placeholder.outerHeight(true); // include margin
+
+  return {
+    left: pos.left,
+    top: pos.top + height
+  };
+}
+
+function attachEvents($node, events) {
+  Object.keys(events).forEach(function (key) {
+    $node.on(key, events[key]);
+  });
+}
+
+function detachEvents($node, events) {
+  Object.keys(events).forEach(function (key) {
+    $node.off(key, events[key]);
+  });
+}
+/**
+ * @method isCustomStyleTag
+ *
+ * assert if a node contains a "note-styletag" class,
+ * which implies that's a custom-made style tag node
+ *
+ * @param {Node} an HTML DOM node
+ */
+
+
+function isCustomStyleTag(node) {
+  return node && !isText(node) && lists.contains(node.classList, 'note-styletag');
+}
+
+/* harmony default export */ var dom = ({
+  /** @property {String} NBSP_CHAR */
+  NBSP_CHAR: NBSP_CHAR,
+
+  /** @property {String} ZERO_WIDTH_NBSP_CHAR */
+  ZERO_WIDTH_NBSP_CHAR: ZERO_WIDTH_NBSP_CHAR,
+
+  /** @property {String} blank */
+  blank: blankHTML,
+
+  /** @property {String} emptyPara */
+  emptyPara: "<p>".concat(blankHTML, "</p>"),
+  makePredByNodeName: makePredByNodeName,
+  isEditable: isEditable,
+  isControlSizing: isControlSizing,
+  isText: isText,
+  isElement: isElement,
+  isVoid: isVoid,
+  isPara: isPara,
+  isPurePara: isPurePara,
+  isHeading: isHeading,
+  isInline: dom_isInline,
+  isBlock: func.not(dom_isInline),
+  isBodyInline: isBodyInline,
+  isBody: isBody,
+  isParaInline: isParaInline,
+  isPre: isPre,
+  isList: isList,
+  isTable: isTable,
+  isData: isData,
+  isCell: dom_isCell,
+  isBlockquote: isBlockquote,
+  isBodyContainer: isBodyContainer,
+  isAnchor: isAnchor,
+  isDiv: makePredByNodeName('DIV'),
+  isLi: isLi,
+  isBR: makePredByNodeName('BR'),
+  isSpan: makePredByNodeName('SPAN'),
+  isB: makePredByNodeName('B'),
+  isU: makePredByNodeName('U'),
+  isS: makePredByNodeName('S'),
+  isI: makePredByNodeName('I'),
+  isImg: makePredByNodeName('IMG'),
+  isTextarea: isTextarea,
+  deepestChildIsEmpty: deepestChildIsEmpty,
+  isEmpty: dom_isEmpty,
+  isEmptyAnchor: func.and(isAnchor, dom_isEmpty),
+  isClosestSibling: isClosestSibling,
+  withClosestSiblings: withClosestSiblings,
+  nodeLength: nodeLength,
+  isLeftEdgePoint: isLeftEdgePoint,
+  isRightEdgePoint: isRightEdgePoint,
+  isEdgePoint: isEdgePoint,
+  isLeftEdgeOf: dom_isLeftEdgeOf,
+  isRightEdgeOf: isRightEdgeOf,
+  isLeftEdgePointOf: isLeftEdgePointOf,
+  isRightEdgePointOf: isRightEdgePointOf,
+  prevPoint: dom_prevPoint,
+  nextPoint: dom_nextPoint,
+  nextPointWithEmptyNode: nextPointWithEmptyNode,
+  isSamePoint: isSamePoint,
+  isVisiblePoint: isVisiblePoint,
+  prevPointUntil: prevPointUntil,
+  nextPointUntil: nextPointUntil,
+  isCharPoint: isCharPoint,
+  isSpacePoint: isSpacePoint,
+  walkPoint: walkPoint,
+  ancestor: dom_ancestor,
+  singleChildAncestor: singleChildAncestor,
+  listAncestor: listAncestor,
+  lastAncestor: lastAncestor,
+  listNext: listNext,
+  listPrev: listPrev,
+  listDescendant: listDescendant,
+  commonAncestor: dom_commonAncestor,
+  wrap: wrap,
+  insertAfter: insertAfter,
+  appendChildNodes: appendChildNodes,
+  position: dom_position,
+  hasChildren: hasChildren,
+  makeOffsetPath: makeOffsetPath,
+  fromOffsetPath: fromOffsetPath,
+  splitTree: splitTree,
+  splitPoint: splitPoint,
+  create: dom_create,
+  createText: createText,
+  remove: remove,
+  removeWhile: removeWhile,
+  replace: dom_replace,
+  html: dom_html,
+  value: dom_value,
+  posFromPlaceholder: posFromPlaceholder,
+  attachEvents: attachEvents,
+  detachEvents: detachEvents,
+  isCustomStyleTag: isCustomStyleTag
+});
+// CONCATENATED MODULE: ./src/js/base/Context.js
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+var Context_Context = /*#__PURE__*/function () {
+  /**
+   * @param {jQuery} $note
+   * @param {Object} options
+   */
+  function Context($note, options) {
+    _classCallCheck(this, Context);
+
+    this.$note = $note;
+    this.memos = {};
+    this.modules = {};
+    this.layoutInfo = {};
+    this.options = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(true, {}, options); // init ui with options
+
+    external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui_template(this.options);
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.initialize();
+  }
+  /**
+   * create layout and initialize modules and other resources
+   */
+
+
+  _createClass(Context, [{
+    key: "initialize",
+    value: function initialize() {
+      this.layoutInfo = this.ui.createLayout(this.$note);
+
+      this._initialize();
+
+      this.$note.hide();
+      return this;
+    }
+    /**
+     * destroy modules and other resources and remove layout
+     */
+
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this._destroy();
+
+      this.$note.removeData('summernote');
+      this.ui.removeLayout(this.$note, this.layoutInfo);
+    }
+    /**
+     * destory modules and other resources and initialize it again
+     */
+
+  }, {
+    key: "reset",
+    value: function reset() {
+      var disabled = this.isDisabled();
+      this.code(dom.emptyPara);
+
+      this._destroy();
+
+      this._initialize();
+
+      if (disabled) {
+        this.disable();
+      }
+    }
+  }, {
+    key: "_initialize",
+    value: function _initialize() {
+      var _this = this;
+
+      // set own id
+      this.options.id = func.uniqueId(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.now()); // set default container for tooltips, popovers, and dialogs
+
+      this.options.container = this.options.container || this.layoutInfo.editor; // add optional buttons
+
+      var buttons = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend({}, this.options.buttons);
+      Object.keys(buttons).forEach(function (key) {
+        _this.memo('button.' + key, buttons[key]);
+      });
+      var modules = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend({}, this.options.modules, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.plugins || {}); // add and initialize modules
+
+      Object.keys(modules).forEach(function (key) {
+        _this.module(key, modules[key], true);
+      });
+      Object.keys(this.modules).forEach(function (key) {
+        _this.initializeModule(key);
+      });
+    }
+  }, {
+    key: "_destroy",
+    value: function _destroy() {
+      var _this2 = this;
+
+      // destroy modules with reversed order
+      Object.keys(this.modules).reverse().forEach(function (key) {
+        _this2.removeModule(key);
+      });
+      Object.keys(this.memos).forEach(function (key) {
+        _this2.removeMemo(key);
+      }); // trigger custom onDestroy callback
+
+      this.triggerEvent('destroy', this);
+    }
+  }, {
+    key: "code",
+    value: function code(html) {
+      var isActivated = this.invoke('codeview.isActivated');
+
+      if (html === undefined) {
+        this.invoke('codeview.sync');
+        return isActivated ? this.layoutInfo.codable.val() : this.layoutInfo.editable.html();
+      } else {
+        if (isActivated) {
+          this.invoke('codeview.sync', html);
+        } else {
+          this.layoutInfo.editable.html(html);
+        }
+
+        this.$note.val(html);
+        this.triggerEvent('change', html, this.layoutInfo.editable);
+      }
+    }
+  }, {
+    key: "isDisabled",
+    value: function isDisabled() {
+      return this.layoutInfo.editable.attr('contenteditable') === 'false';
+    }
+  }, {
+    key: "enable",
+    value: function enable() {
+      this.layoutInfo.editable.attr('contenteditable', true);
+      this.invoke('toolbar.activate', true);
+      this.triggerEvent('disable', false);
+      this.options.editing = true;
+    }
+  }, {
+    key: "disable",
+    value: function disable() {
+      // close codeview if codeview is opend
+      if (this.invoke('codeview.isActivated')) {
+        this.invoke('codeview.deactivate');
+      }
+
+      this.layoutInfo.editable.attr('contenteditable', false);
+      this.options.editing = false;
+      this.invoke('toolbar.deactivate', true);
+      this.triggerEvent('disable', true);
+    }
+  }, {
+    key: "triggerEvent",
+    value: function triggerEvent() {
+      var namespace = lists.head(arguments);
+      var args = lists.tail(lists.from(arguments));
+      var callback = this.options.callbacks[func.namespaceToCamel(namespace, 'on')];
+
+      if (callback) {
+        callback.apply(this.$note[0], args);
+      }
+
+      this.$note.trigger('summernote.' + namespace, args);
+    }
+  }, {
+    key: "initializeModule",
+    value: function initializeModule(key) {
+      var module = this.modules[key];
+      module.shouldInitialize = module.shouldInitialize || func.ok;
+
+      if (!module.shouldInitialize()) {
+        return;
+      } // initialize module
+
+
+      if (module.initialize) {
+        module.initialize();
+      } // attach events
+
+
+      if (module.events) {
+        dom.attachEvents(this.$note, module.events);
+      }
+    }
+  }, {
+    key: "module",
+    value: function module(key, ModuleClass, withoutIntialize) {
+      if (arguments.length === 1) {
+        return this.modules[key];
+      }
+
+      this.modules[key] = new ModuleClass(this);
+
+      if (!withoutIntialize) {
+        this.initializeModule(key);
+      }
+    }
+  }, {
+    key: "removeModule",
+    value: function removeModule(key) {
+      var module = this.modules[key];
+
+      if (module.shouldInitialize()) {
+        if (module.events) {
+          dom.detachEvents(this.$note, module.events);
+        }
+
+        if (module.destroy) {
+          module.destroy();
+        }
+      }
+
+      delete this.modules[key];
+    }
+  }, {
+    key: "memo",
+    value: function memo(key, obj) {
+      if (arguments.length === 1) {
+        return this.memos[key];
+      }
+
+      this.memos[key] = obj;
+    }
+  }, {
+    key: "removeMemo",
+    value: function removeMemo(key) {
+      if (this.memos[key] && this.memos[key].destroy) {
+        this.memos[key].destroy();
+      }
+
+      delete this.memos[key];
+    }
+    /**
+     * Some buttons need to change their visual style immediately once they get pressed
+     */
+
+  }, {
+    key: "createInvokeHandlerAndUpdateState",
+    value: function createInvokeHandlerAndUpdateState(namespace, value) {
+      var _this3 = this;
+
+      return function (event) {
+        _this3.createInvokeHandler(namespace, value)(event);
+
+        _this3.invoke('buttons.updateCurrentStyle');
+      };
+    }
+  }, {
+    key: "createInvokeHandler",
+    value: function createInvokeHandler(namespace, value) {
+      var _this4 = this;
+
+      return function (event) {
+        event.preventDefault();
+        var $target = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(event.target);
+
+        _this4.invoke(namespace, value || $target.closest('[data-value]').data('value'), $target);
+      };
+    }
+  }, {
+    key: "invoke",
+    value: function invoke() {
+      var namespace = lists.head(arguments);
+      var args = lists.tail(lists.from(arguments));
+      var splits = namespace.split('.');
+      var hasSeparator = splits.length > 1;
+      var moduleName = hasSeparator && lists.head(splits);
+      var methodName = hasSeparator ? lists.last(splits) : lists.head(splits);
+      var module = this.modules[moduleName || 'editor'];
+
+      if (!moduleName && this[methodName]) {
+        return this[methodName].apply(this, args);
+      } else if (module && module[methodName] && module.shouldInitialize()) {
+        return module[methodName].apply(module, args);
+      }
+    }
+  }]);
+
+  return Context;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/summernote.js
+
+
+
+
+external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.fn.extend({
+  /**
+   * Summernote API
+   *
+   * @param {Object|String}
+   * @return {this}
+   */
+  summernote: function summernote() {
+    var type = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.type(lists.head(arguments));
+    var isExternalAPICalled = type === 'string';
+    var hasInitOptions = type === 'object';
+    var options = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend({}, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.options, hasInitOptions ? lists.head(arguments) : {}); // Update options
+
+    options.langInfo = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(true, {}, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.lang['en-US'], external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.lang[options.lang]);
+    options.icons = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(true, {}, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.options.icons, options.icons);
+    options.tooltip = options.tooltip === 'auto' ? !env.isSupportTouch : options.tooltip;
+    this.each(function (idx, note) {
+      var $note = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(note);
+
+      if (!$note.data('summernote')) {
+        var context = new Context_Context($note, options);
+        $note.data('summernote', context);
+        $note.data('summernote').triggerEvent('init', context.layoutInfo);
+      }
+    });
+    var $note = this.first();
+
+    if ($note.length) {
+      var context = $note.data('summernote');
+
+      if (isExternalAPICalled) {
+        return context.invoke.apply(context, lists.from(arguments));
+      } else if (options.focus) {
+        context.invoke('editor.focus');
+      }
+    }
+
+    return this;
+  }
+});
+// CONCATENATED MODULE: ./src/js/base/core/range.js
+function range_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function range_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function range_createClass(Constructor, protoProps, staticProps) { if (protoProps) range_defineProperties(Constructor.prototype, protoProps); if (staticProps) range_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+/**
+ * return boundaryPoint from TextRange, inspired by Andy Na's HuskyRange.js
+ *
+ * @param {TextRange} textRange
+ * @param {Boolean} isStart
+ * @return {BoundaryPoint}
+ *
+ * @see http://msdn.microsoft.com/en-us/library/ie/ms535872(v=vs.85).aspx
+ */
+
+function textRangeToPoint(textRange, isStart) {
+  var container = textRange.parentElement();
+  var offset;
+  var tester = document.body.createTextRange();
+  var prevContainer;
+  var childNodes = lists.from(container.childNodes);
+
+  for (offset = 0; offset < childNodes.length; offset++) {
+    if (dom.isText(childNodes[offset])) {
+      continue;
+    }
+
+    tester.moveToElementText(childNodes[offset]);
+
+    if (tester.compareEndPoints('StartToStart', textRange) >= 0) {
+      break;
+    }
+
+    prevContainer = childNodes[offset];
+  }
+
+  if (offset !== 0 && dom.isText(childNodes[offset - 1])) {
+    var textRangeStart = document.body.createTextRange();
+    var curTextNode = null;
+    textRangeStart.moveToElementText(prevContainer || container);
+    textRangeStart.collapse(!prevContainer);
+    curTextNode = prevContainer ? prevContainer.nextSibling : container.firstChild;
+    var pointTester = textRange.duplicate();
+    pointTester.setEndPoint('StartToStart', textRangeStart);
+    var textCount = pointTester.text.replace(/[\r\n]/g, '').length;
+
+    while (textCount > curTextNode.nodeValue.length && curTextNode.nextSibling) {
+      textCount -= curTextNode.nodeValue.length;
+      curTextNode = curTextNode.nextSibling;
+    } // [workaround] enforce IE to re-reference curTextNode, hack
+
+
+    var dummy = curTextNode.nodeValue; // eslint-disable-line
+
+    if (isStart && curTextNode.nextSibling && dom.isText(curTextNode.nextSibling) && textCount === curTextNode.nodeValue.length) {
+      textCount -= curTextNode.nodeValue.length;
+      curTextNode = curTextNode.nextSibling;
+    }
+
+    container = curTextNode;
+    offset = textCount;
+  }
+
+  return {
+    cont: container,
+    offset: offset
+  };
+}
+/**
+ * return TextRange from boundary point (inspired by google closure-library)
+ * @param {BoundaryPoint} point
+ * @return {TextRange}
+ */
+
+
+function pointToTextRange(point) {
+  var textRangeInfo = function textRangeInfo(container, offset) {
+    var node, isCollapseToStart;
+
+    if (dom.isText(container)) {
+      var prevTextNodes = dom.listPrev(container, func.not(dom.isText));
+      var prevContainer = lists.last(prevTextNodes).previousSibling;
+      node = prevContainer || container.parentNode;
+      offset += lists.sum(lists.tail(prevTextNodes), dom.nodeLength);
+      isCollapseToStart = !prevContainer;
+    } else {
+      node = container.childNodes[offset] || container;
+
+      if (dom.isText(node)) {
+        return textRangeInfo(node, 0);
+      }
+
+      offset = 0;
+      isCollapseToStart = false;
+    }
+
+    return {
+      node: node,
+      collapseToStart: isCollapseToStart,
+      offset: offset
+    };
+  };
+
+  var textRange = document.body.createTextRange();
+  var info = textRangeInfo(point.node, point.offset);
+  textRange.moveToElementText(info.node);
+  textRange.collapse(info.collapseToStart);
+  textRange.moveStart('character', info.offset);
+  return textRange;
+}
+/**
+   * Wrapped Range
+   *
+   * @constructor
+   * @param {Node} sc - start container
+   * @param {Number} so - start offset
+   * @param {Node} ec - end container
+   * @param {Number} eo - end offset
+   */
+
+
+var range_WrappedRange = /*#__PURE__*/function () {
+  function WrappedRange(sc, so, ec, eo) {
+    range_classCallCheck(this, WrappedRange);
+
+    this.sc = sc;
+    this.so = so;
+    this.ec = ec;
+    this.eo = eo; // isOnEditable: judge whether range is on editable or not
+
+    this.isOnEditable = this.makeIsOn(dom.isEditable); // isOnList: judge whether range is on list node or not
+
+    this.isOnList = this.makeIsOn(dom.isList); // isOnAnchor: judge whether range is on anchor node or not
+
+    this.isOnAnchor = this.makeIsOn(dom.isAnchor); // isOnCell: judge whether range is on cell node or not
+
+    this.isOnCell = this.makeIsOn(dom.isCell); // isOnData: judge whether range is on data node or not
+
+    this.isOnData = this.makeIsOn(dom.isData);
+  } // nativeRange: get nativeRange from sc, so, ec, eo
+
+
+  range_createClass(WrappedRange, [{
+    key: "nativeRange",
+    value: function nativeRange() {
+      if (env.isW3CRangeSupport) {
+        var w3cRange = document.createRange();
+        w3cRange.setStart(this.sc, this.so);
+        w3cRange.setEnd(this.ec, this.eo);
+        return w3cRange;
+      } else {
+        var textRange = pointToTextRange({
+          node: this.sc,
+          offset: this.so
+        });
+        textRange.setEndPoint('EndToEnd', pointToTextRange({
+          node: this.ec,
+          offset: this.eo
+        }));
+        return textRange;
+      }
+    }
+  }, {
+    key: "getPoints",
+    value: function getPoints() {
+      return {
+        sc: this.sc,
+        so: this.so,
+        ec: this.ec,
+        eo: this.eo
+      };
+    }
+  }, {
+    key: "getStartPoint",
+    value: function getStartPoint() {
+      return {
+        node: this.sc,
+        offset: this.so
+      };
+    }
+  }, {
+    key: "getEndPoint",
+    value: function getEndPoint() {
+      return {
+        node: this.ec,
+        offset: this.eo
+      };
+    }
+    /**
+     * select update visible range
+     */
+
+  }, {
+    key: "select",
+    value: function select() {
+      var nativeRng = this.nativeRange();
+
+      if (env.isW3CRangeSupport) {
+        var selection = document.getSelection();
+
+        if (selection.rangeCount > 0) {
+          selection.removeAllRanges();
+        }
+
+        selection.addRange(nativeRng);
+      } else {
+        nativeRng.select();
+      }
+
+      return this;
+    }
+    /**
+     * Moves the scrollbar to start container(sc) of current range
+     *
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "scrollIntoView",
+    value: function scrollIntoView(container) {
+      var height = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(container).height();
+
+      if (container.scrollTop + height < this.sc.offsetTop) {
+        container.scrollTop += Math.abs(container.scrollTop + height - this.sc.offsetTop);
+      }
+
+      return this;
+    }
+    /**
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "normalize",
+    value: function normalize() {
+      /**
+       * @param {BoundaryPoint} point
+       * @param {Boolean} isLeftToRight - true: prefer to choose right node
+       *                                - false: prefer to choose left node
+       * @return {BoundaryPoint}
+       */
+      var getVisiblePoint = function getVisiblePoint(point, isLeftToRight) {
+        if (!point) {
+          return point;
+        } // Just use the given point [XXX:Adhoc]
+        //  - case 01. if the point is on the middle of the node
+        //  - case 02. if the point is on the right edge and prefer to choose left node
+        //  - case 03. if the point is on the left edge and prefer to choose right node
+        //  - case 04. if the point is on the right edge and prefer to choose right node but the node is void
+        //  - case 05. if the point is on the left edge and prefer to choose left node but the node is void
+        //  - case 06. if the point is on the block node and there is no children
+
+
+        if (dom.isVisiblePoint(point)) {
+          if (!dom.isEdgePoint(point) || dom.isRightEdgePoint(point) && !isLeftToRight || dom.isLeftEdgePoint(point) && isLeftToRight || dom.isRightEdgePoint(point) && isLeftToRight && dom.isVoid(point.node.nextSibling) || dom.isLeftEdgePoint(point) && !isLeftToRight && dom.isVoid(point.node.previousSibling) || dom.isBlock(point.node) && dom.isEmpty(point.node)) {
+            return point;
+          }
+        } // point on block's edge
+
+
+        var block = dom.ancestor(point.node, dom.isBlock);
+        var hasRightNode = false;
+
+        if (!hasRightNode) {
+          var prevPoint = dom.prevPoint(point) || {
+            node: null
+          };
+          hasRightNode = (dom.isLeftEdgePointOf(point, block) || dom.isVoid(prevPoint.node)) && !isLeftToRight;
+        }
+
+        var hasLeftNode = false;
+
+        if (!hasLeftNode) {
+          var _nextPoint = dom.nextPoint(point) || {
+            node: null
+          };
+
+          hasLeftNode = (dom.isRightEdgePointOf(point, block) || dom.isVoid(_nextPoint.node)) && isLeftToRight;
+        }
+
+        if (hasRightNode || hasLeftNode) {
+          // returns point already on visible point
+          if (dom.isVisiblePoint(point)) {
+            return point;
+          } // reverse direction
+
+
+          isLeftToRight = !isLeftToRight;
+        }
+
+        var nextPoint = isLeftToRight ? dom.nextPointUntil(dom.nextPoint(point), dom.isVisiblePoint) : dom.prevPointUntil(dom.prevPoint(point), dom.isVisiblePoint);
+        return nextPoint || point;
+      };
+
+      var endPoint = getVisiblePoint(this.getEndPoint(), false);
+      var startPoint = this.isCollapsed() ? endPoint : getVisiblePoint(this.getStartPoint(), true);
+      return new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
+    }
+    /**
+     * returns matched nodes on range
+     *
+     * @param {Function} [pred] - predicate function
+     * @param {Object} [options]
+     * @param {Boolean} [options.includeAncestor]
+     * @param {Boolean} [options.fullyContains]
+     * @return {Node[]}
+     */
+
+  }, {
+    key: "nodes",
+    value: function nodes(pred, options) {
+      pred = pred || func.ok;
+      var includeAncestor = options && options.includeAncestor;
+      var fullyContains = options && options.fullyContains; // TODO compare points and sort
+
+      var startPoint = this.getStartPoint();
+      var endPoint = this.getEndPoint();
+      var nodes = [];
+      var leftEdgeNodes = [];
+      dom.walkPoint(startPoint, endPoint, function (point) {
+        if (dom.isEditable(point.node)) {
+          return;
+        }
+
+        var node;
+
+        if (fullyContains) {
+          if (dom.isLeftEdgePoint(point)) {
+            leftEdgeNodes.push(point.node);
+          }
+
+          if (dom.isRightEdgePoint(point) && lists.contains(leftEdgeNodes, point.node)) {
+            node = point.node;
+          }
+        } else if (includeAncestor) {
+          node = dom.ancestor(point.node, pred);
+        } else {
+          node = point.node;
+        }
+
+        if (node && pred(node)) {
+          nodes.push(node);
+        }
+      }, true);
+      return lists.unique(nodes);
+    }
+    /**
+     * returns commonAncestor of range
+     * @return {Element} - commonAncestor
+     */
+
+  }, {
+    key: "commonAncestor",
+    value: function commonAncestor() {
+      return dom.commonAncestor(this.sc, this.ec);
+    }
+    /**
+     * returns expanded range by pred
+     *
+     * @param {Function} pred - predicate function
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "expand",
+    value: function expand(pred) {
+      var startAncestor = dom.ancestor(this.sc, pred);
+      var endAncestor = dom.ancestor(this.ec, pred);
+
+      if (!startAncestor && !endAncestor) {
+        return new WrappedRange(this.sc, this.so, this.ec, this.eo);
+      }
+
+      var boundaryPoints = this.getPoints();
+
+      if (startAncestor) {
+        boundaryPoints.sc = startAncestor;
+        boundaryPoints.so = 0;
+      }
+
+      if (endAncestor) {
+        boundaryPoints.ec = endAncestor;
+        boundaryPoints.eo = dom.nodeLength(endAncestor);
+      }
+
+      return new WrappedRange(boundaryPoints.sc, boundaryPoints.so, boundaryPoints.ec, boundaryPoints.eo);
+    }
+    /**
+     * @param {Boolean} isCollapseToStart
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "collapse",
+    value: function collapse(isCollapseToStart) {
+      if (isCollapseToStart) {
+        return new WrappedRange(this.sc, this.so, this.sc, this.so);
+      } else {
+        return new WrappedRange(this.ec, this.eo, this.ec, this.eo);
+      }
+    }
+    /**
+     * splitText on range
+     */
+
+  }, {
+    key: "splitText",
+    value: function splitText() {
+      var isSameContainer = this.sc === this.ec;
+      var boundaryPoints = this.getPoints();
+
+      if (dom.isText(this.ec) && !dom.isEdgePoint(this.getEndPoint())) {
+        this.ec.splitText(this.eo);
+      }
+
+      if (dom.isText(this.sc) && !dom.isEdgePoint(this.getStartPoint())) {
+        boundaryPoints.sc = this.sc.splitText(this.so);
+        boundaryPoints.so = 0;
+
+        if (isSameContainer) {
+          boundaryPoints.ec = boundaryPoints.sc;
+          boundaryPoints.eo = this.eo - this.so;
+        }
+      }
+
+      return new WrappedRange(boundaryPoints.sc, boundaryPoints.so, boundaryPoints.ec, boundaryPoints.eo);
+    }
+    /**
+     * delete contents on range
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "deleteContents",
+    value: function deleteContents() {
+      if (this.isCollapsed()) {
+        return this;
+      }
+
+      var rng = this.splitText();
+      var nodes = rng.nodes(null, {
+        fullyContains: true
+      }); // find new cursor point
+
+      var point = dom.prevPointUntil(rng.getStartPoint(), function (point) {
+        return !lists.contains(nodes, point.node);
+      });
+      var emptyParents = [];
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(nodes, function (idx, node) {
+        // find empty parents
+        var parent = node.parentNode;
+
+        if (point.node !== parent && dom.nodeLength(parent) === 1) {
+          emptyParents.push(parent);
+        }
+
+        dom.remove(node, false);
+      }); // remove empty parents
+
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(emptyParents, function (idx, node) {
+        dom.remove(node, false);
+      });
+      return new WrappedRange(point.node, point.offset, point.node, point.offset).normalize();
+    }
+    /**
+     * makeIsOn: return isOn(pred) function
+     */
+
+  }, {
+    key: "makeIsOn",
+    value: function makeIsOn(pred) {
+      return function () {
+        var ancestor = dom.ancestor(this.sc, pred);
+        return !!ancestor && ancestor === dom.ancestor(this.ec, pred);
+      };
+    }
+    /**
+     * @param {Function} pred
+     * @return {Boolean}
+     */
+
+  }, {
+    key: "isLeftEdgeOf",
+    value: function isLeftEdgeOf(pred) {
+      if (!dom.isLeftEdgePoint(this.getStartPoint())) {
+        return false;
+      }
+
+      var node = dom.ancestor(this.sc, pred);
+      return node && dom.isLeftEdgeOf(this.sc, node);
+    }
+    /**
+     * returns whether range was collapsed or not
+     */
+
+  }, {
+    key: "isCollapsed",
+    value: function isCollapsed() {
+      return this.sc === this.ec && this.so === this.eo;
+    }
+    /**
+     * wrap inline nodes which children of body with paragraph
+     *
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "wrapBodyInlineWithPara",
+    value: function wrapBodyInlineWithPara() {
+      if (dom.isBodyContainer(this.sc) && dom.isEmpty(this.sc)) {
+        this.sc.innerHTML = dom.emptyPara;
+        return new WrappedRange(this.sc.firstChild, 0, this.sc.firstChild, 0);
+      }
+      /**
+       * [workaround] firefox often create range on not visible point. so normalize here.
+       *  - firefox: |<p>text</p>|
+       *  - chrome: <p>|text|</p>
+       */
+
+
+      var rng = this.normalize();
+
+      if (dom.isParaInline(this.sc) || dom.isPara(this.sc)) {
+        return rng;
+      } // find inline top ancestor
+
+
+      var topAncestor;
+
+      if (dom.isInline(rng.sc)) {
+        var ancestors = dom.listAncestor(rng.sc, func.not(dom.isInline));
+        topAncestor = lists.last(ancestors);
+
+        if (!dom.isInline(topAncestor)) {
+          topAncestor = ancestors[ancestors.length - 2] || rng.sc.childNodes[rng.so];
+        }
+      } else {
+        topAncestor = rng.sc.childNodes[rng.so > 0 ? rng.so - 1 : 0];
+      }
+
+      if (topAncestor) {
+        // siblings not in paragraph
+        var inlineSiblings = dom.listPrev(topAncestor, dom.isParaInline).reverse();
+        inlineSiblings = inlineSiblings.concat(dom.listNext(topAncestor.nextSibling, dom.isParaInline)); // wrap with paragraph
+
+        if (inlineSiblings.length) {
+          var para = dom.wrap(lists.head(inlineSiblings), 'p');
+          dom.appendChildNodes(para, lists.tail(inlineSiblings));
+        }
+      }
+
+      return this.normalize();
+    }
+    /**
+     * insert node at current cursor
+     *
+     * @param {Node} node
+     * @return {Node}
+     */
+
+  }, {
+    key: "insertNode",
+    value: function insertNode(node) {
+      var rng = this;
+
+      if (dom.isText(node) || dom.isInline(node)) {
+        rng = this.wrapBodyInlineWithPara().deleteContents();
+      }
+
+      var info = dom.splitPoint(rng.getStartPoint(), dom.isInline(node));
+
+      if (info.rightNode) {
+        info.rightNode.parentNode.insertBefore(node, info.rightNode);
+
+        if (dom.isEmpty(info.rightNode) && dom.isPara(node)) {
+          info.rightNode.parentNode.removeChild(info.rightNode);
+        }
+      } else {
+        info.container.appendChild(node);
+      }
+
+      return node;
+    }
+    /**
+     * insert html at current cursor
+     */
+
+  }, {
+    key: "pasteHTML",
+    value: function pasteHTML(markup) {
+      markup = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.trim(markup);
+      var contentsContainer = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div></div>').html(markup)[0];
+      var childNodes = lists.from(contentsContainer.childNodes); // const rng = this.wrapBodyInlineWithPara().deleteContents();
+
+      var rng = this;
+      var reversed = false;
+
+      if (rng.so >= 0) {
+        childNodes = childNodes.reverse();
+        reversed = true;
+      }
+
+      childNodes = childNodes.map(function (childNode) {
+        return rng.insertNode(childNode);
+      });
+
+      if (reversed) {
+        childNodes = childNodes.reverse();
+      }
+
+      return childNodes;
+    }
+    /**
+     * returns text in range
+     *
+     * @return {String}
+     */
+
+  }, {
+    key: "toString",
+    value: function toString() {
+      var nativeRng = this.nativeRange();
+      return env.isW3CRangeSupport ? nativeRng.toString() : nativeRng.text;
+    }
+    /**
+     * returns range for word before cursor
+     *
+     * @param {Boolean} [findAfter] - find after cursor, default: false
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "getWordRange",
+    value: function getWordRange(findAfter) {
+      var endPoint = this.getEndPoint();
+
+      if (!dom.isCharPoint(endPoint)) {
+        return this;
+      }
+
+      var startPoint = dom.prevPointUntil(endPoint, function (point) {
+        return !dom.isCharPoint(point);
+      });
+
+      if (findAfter) {
+        endPoint = dom.nextPointUntil(endPoint, function (point) {
+          return !dom.isCharPoint(point);
+        });
+      }
+
+      return new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
+    }
+    /**
+     * returns range for words before cursor
+     *
+     * @param {Boolean} [findAfter] - find after cursor, default: false
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "getWordsRange",
+    value: function getWordsRange(findAfter) {
+      var endPoint = this.getEndPoint();
+
+      var isNotTextPoint = function isNotTextPoint(point) {
+        return !dom.isCharPoint(point) && !dom.isSpacePoint(point);
+      };
+
+      if (isNotTextPoint(endPoint)) {
+        return this;
+      }
+
+      var startPoint = dom.prevPointUntil(endPoint, isNotTextPoint);
+
+      if (findAfter) {
+        endPoint = dom.nextPointUntil(endPoint, isNotTextPoint);
+      }
+
+      return new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
+    }
+    /**
+     * returns range for words before cursor that match with a Regex
+     *
+     * example:
+     *  range: 'hi @Peter Pan'
+     *  regex: '/@[a-z ]+/i'
+     *  return range: '@Peter Pan'
+     *
+     * @param {RegExp} [regex]
+     * @return {WrappedRange|null}
+     */
+
+  }, {
+    key: "getWordsMatchRange",
+    value: function getWordsMatchRange(regex) {
+      var endPoint = this.getEndPoint();
+      var startPoint = dom.prevPointUntil(endPoint, function (point) {
+        if (!dom.isCharPoint(point) && !dom.isSpacePoint(point)) {
+          return true;
+        }
+
+        var rng = new WrappedRange(point.node, point.offset, endPoint.node, endPoint.offset);
+        var result = regex.exec(rng.toString());
+        return result && result.index === 0;
+      });
+      var rng = new WrappedRange(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
+      var text = rng.toString();
+      var result = regex.exec(text);
+
+      if (result && result[0].length === text.length) {
+        return rng;
+      } else {
+        return null;
+      }
+    }
+    /**
+     * create offsetPath bookmark
+     *
+     * @param {Node} editable
+     */
+
+  }, {
+    key: "bookmark",
+    value: function bookmark(editable) {
+      return {
+        s: {
+          path: dom.makeOffsetPath(editable, this.sc),
+          offset: this.so
+        },
+        e: {
+          path: dom.makeOffsetPath(editable, this.ec),
+          offset: this.eo
+        }
+      };
+    }
+    /**
+     * create offsetPath bookmark base on paragraph
+     *
+     * @param {Node[]} paras
+     */
+
+  }, {
+    key: "paraBookmark",
+    value: function paraBookmark(paras) {
+      return {
+        s: {
+          path: lists.tail(dom.makeOffsetPath(lists.head(paras), this.sc)),
+          offset: this.so
+        },
+        e: {
+          path: lists.tail(dom.makeOffsetPath(lists.last(paras), this.ec)),
+          offset: this.eo
+        }
+      };
+    }
+    /**
+     * getClientRects
+     * @return {Rect[]}
+     */
+
+  }, {
+    key: "getClientRects",
+    value: function getClientRects() {
+      var nativeRng = this.nativeRange();
+      return nativeRng.getClientRects();
+    }
+  }]);
+
+  return WrappedRange;
+}();
+/**
+ * Data structure
+ *  * BoundaryPoint: a point of dom tree
+ *  * BoundaryPoints: two boundaryPoints corresponding to the start and the end of the Range
+ *
+ * See to http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html#Level-2-Range-Position
+ */
+
+
+/* harmony default export */ var range = ({
+  /**
+   * create Range Object From arguments or Browser Selection
+   *
+   * @param {Node} sc - start container
+   * @param {Number} so - start offset
+   * @param {Node} ec - end container
+   * @param {Number} eo - end offset
+   * @return {WrappedRange}
+   */
+  create: function create(sc, so, ec, eo) {
+    if (arguments.length === 4) {
+      return new range_WrappedRange(sc, so, ec, eo);
+    } else if (arguments.length === 2) {
+      // collapsed
+      ec = sc;
+      eo = so;
+      return new range_WrappedRange(sc, so, ec, eo);
+    } else {
+      var wrappedRange = this.createFromSelection();
+
+      if (!wrappedRange && arguments.length === 1) {
+        var bodyElement = arguments[0];
+
+        if (dom.isEditable(bodyElement)) {
+          bodyElement = bodyElement.lastChild;
+        }
+
+        return this.createFromBodyElement(bodyElement, dom.emptyPara === arguments[0].innerHTML);
+      }
+
+      return wrappedRange;
+    }
+  },
+  createFromBodyElement: function createFromBodyElement(bodyElement) {
+    var isCollapseToStart = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+    var wrappedRange = this.createFromNode(bodyElement);
+    return wrappedRange.collapse(isCollapseToStart);
+  },
+  createFromSelection: function createFromSelection() {
+    var sc, so, ec, eo;
+
+    if (env.isW3CRangeSupport) {
+      var selection = document.getSelection();
+
+      if (!selection || selection.rangeCount === 0) {
+        return null;
+      } else if (dom.isBody(selection.anchorNode)) {
+        // Firefox: returns entire body as range on initialization.
+        // We won't never need it.
+        return null;
+      }
+
+      var nativeRng = selection.getRangeAt(0);
+      sc = nativeRng.startContainer;
+      so = nativeRng.startOffset;
+      ec = nativeRng.endContainer;
+      eo = nativeRng.endOffset;
+    } else {
+      // IE8: TextRange
+      var textRange = document.selection.createRange();
+      var textRangeEnd = textRange.duplicate();
+      textRangeEnd.collapse(false);
+      var textRangeStart = textRange;
+      textRangeStart.collapse(true);
+      var startPoint = textRangeToPoint(textRangeStart, true);
+      var endPoint = textRangeToPoint(textRangeEnd, false); // same visible point case: range was collapsed.
+
+      if (dom.isText(startPoint.node) && dom.isLeftEdgePoint(startPoint) && dom.isTextNode(endPoint.node) && dom.isRightEdgePoint(endPoint) && endPoint.node.nextSibling === startPoint.node) {
+        startPoint = endPoint;
+      }
+
+      sc = startPoint.cont;
+      so = startPoint.offset;
+      ec = endPoint.cont;
+      eo = endPoint.offset;
+    }
+
+    return new range_WrappedRange(sc, so, ec, eo);
+  },
+
+  /**
+   * @method
+   *
+   * create WrappedRange from node
+   *
+   * @param {Node} node
+   * @return {WrappedRange}
+   */
+  createFromNode: function createFromNode(node) {
+    var sc = node;
+    var so = 0;
+    var ec = node;
+    var eo = dom.nodeLength(ec); // browsers can't target a picture or void node
+
+    if (dom.isVoid(sc)) {
+      so = dom.listPrev(sc).length - 1;
+      sc = sc.parentNode;
+    }
+
+    if (dom.isBR(ec)) {
+      eo = dom.listPrev(ec).length - 1;
+      ec = ec.parentNode;
+    } else if (dom.isVoid(ec)) {
+      eo = dom.listPrev(ec).length;
+      ec = ec.parentNode;
+    }
+
+    return this.create(sc, so, ec, eo);
+  },
+
+  /**
+   * create WrappedRange from node after position
+   *
+   * @param {Node} node
+   * @return {WrappedRange}
+   */
+  createFromNodeBefore: function createFromNodeBefore(node) {
+    return this.createFromNode(node).collapse(true);
+  },
+
+  /**
+   * create WrappedRange from node after position
+   *
+   * @param {Node} node
+   * @return {WrappedRange}
+   */
+  createFromNodeAfter: function createFromNodeAfter(node) {
+    return this.createFromNode(node).collapse();
+  },
+
+  /**
+   * @method
+   *
+   * create WrappedRange from bookmark
+   *
+   * @param {Node} editable
+   * @param {Object} bookmark
+   * @return {WrappedRange}
+   */
+  createFromBookmark: function createFromBookmark(editable, bookmark) {
+    var sc = dom.fromOffsetPath(editable, bookmark.s.path);
+    var so = bookmark.s.offset;
+    var ec = dom.fromOffsetPath(editable, bookmark.e.path);
+    var eo = bookmark.e.offset;
+    return new range_WrappedRange(sc, so, ec, eo);
+  },
+
+  /**
+   * @method
+   *
+   * create WrappedRange from paraBookmark
+   *
+   * @param {Object} bookmark
+   * @param {Node[]} paras
+   * @return {WrappedRange}
+   */
+  createFromParaBookmark: function createFromParaBookmark(bookmark, paras) {
+    var so = bookmark.s.offset;
+    var eo = bookmark.e.offset;
+    var sc = dom.fromOffsetPath(lists.head(paras), bookmark.s.path);
+    var ec = dom.fromOffsetPath(lists.last(paras), bookmark.e.path);
+    return new range_WrappedRange(sc, so, ec, eo);
+  }
+});
+// CONCATENATED MODULE: ./src/js/base/core/key.js
+
+
+var KEY_MAP = {
+  'BACKSPACE': 8,
+  'TAB': 9,
+  'ENTER': 13,
+  'ESCAPE': 27,
+  'SPACE': 32,
+  'DELETE': 46,
+  // Arrow
+  'LEFT': 37,
+  'UP': 38,
+  'RIGHT': 39,
+  'DOWN': 40,
+  // Number: 0-9
+  'NUM0': 48,
+  'NUM1': 49,
+  'NUM2': 50,
+  'NUM3': 51,
+  'NUM4': 52,
+  'NUM5': 53,
+  'NUM6': 54,
+  'NUM7': 55,
+  'NUM8': 56,
+  // Alphabet: a-z
+  'B': 66,
+  'E': 69,
+  'I': 73,
+  'J': 74,
+  'K': 75,
+  'L': 76,
+  'R': 82,
+  'S': 83,
+  'U': 85,
+  'V': 86,
+  'Y': 89,
+  'Z': 90,
+  'SLASH': 191,
+  'LEFTBRACKET': 219,
+  'BACKSLASH': 220,
+  'RIGHTBRACKET': 221,
+  // Navigation
+  'HOME': 36,
+  'END': 35,
+  'PAGEUP': 33,
+  'PAGEDOWN': 34
+};
+/**
+ * @class core.key
+ *
+ * Object for keycodes.
+ *
+ * @singleton
+ * @alternateClassName key
+ */
+
+/* harmony default export */ var core_key = ({
+  /**
+   * @method isEdit
+   *
+   * @param {Number} keyCode
+   * @return {Boolean}
+   */
+  isEdit: function isEdit(keyCode) {
+    return lists.contains([KEY_MAP.BACKSPACE, KEY_MAP.TAB, KEY_MAP.ENTER, KEY_MAP.SPACE, KEY_MAP.DELETE], keyCode);
+  },
+
+  /**
+   * @method isMove
+   *
+   * @param {Number} keyCode
+   * @return {Boolean}
+   */
+  isMove: function isMove(keyCode) {
+    return lists.contains([KEY_MAP.LEFT, KEY_MAP.UP, KEY_MAP.RIGHT, KEY_MAP.DOWN], keyCode);
+  },
+
+  /**
+   * @method isNavigation
+   *
+   * @param {Number} keyCode
+   * @return {Boolean}
+   */
+  isNavigation: function isNavigation(keyCode) {
+    return lists.contains([KEY_MAP.HOME, KEY_MAP.END, KEY_MAP.PAGEUP, KEY_MAP.PAGEDOWN], keyCode);
+  },
+
+  /**
+   * @property {Object} nameFromCode
+   * @property {String} nameFromCode.8 "BACKSPACE"
+   */
+  nameFromCode: func.invertObject(KEY_MAP),
+  code: KEY_MAP
+});
+// CONCATENATED MODULE: ./src/js/base/core/async.js
+
+/**
+ * @method readFileAsDataURL
+ *
+ * read contents of file as representing URL
+ *
+ * @param {File} file
+ * @return {Promise} - then: dataUrl
+ */
+
+function readFileAsDataURL(file) {
+  return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+    external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(new FileReader(), {
+      onload: function onload(e) {
+        var dataURL = e.target.result;
+        deferred.resolve(dataURL);
+      },
+      onerror: function onerror(err) {
+        deferred.reject(err);
+      }
+    }).readAsDataURL(file);
+  }).promise();
+}
+/**
+ * @method createImage
+ *
+ * create `<image>` from url string
+ *
+ * @param {String} url
+ * @return {Promise} - then: $image
+ */
+
+function createImage(url) {
+  return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+    var $img = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<img>');
+    $img.one('load', function () {
+      $img.off('error abort');
+      deferred.resolve($img);
+    }).one('error abort', function () {
+      $img.off('load').detach();
+      deferred.reject($img);
+    }).css({
+      display: 'none'
+    }).appendTo(document.body).attr('src', url);
+  }).promise();
+}
+// CONCATENATED MODULE: ./src/js/base/editing/History.js
+function History_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function History_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function History_createClass(Constructor, protoProps, staticProps) { if (protoProps) History_defineProperties(Constructor.prototype, protoProps); if (staticProps) History_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var History_History = /*#__PURE__*/function () {
+  function History(context) {
+    History_classCallCheck(this, History);
+
+    this.stack = [];
+    this.stackOffset = -1;
+    this.context = context;
+    this.$editable = context.layoutInfo.editable;
+    this.editable = this.$editable[0];
+  }
+
+  History_createClass(History, [{
+    key: "makeSnapshot",
+    value: function makeSnapshot() {
+      var rng = range.create(this.editable);
+      var emptyBookmark = {
+        s: {
+          path: [],
+          offset: 0
+        },
+        e: {
+          path: [],
+          offset: 0
+        }
+      };
+      return {
+        contents: this.$editable.html(),
+        bookmark: rng && rng.isOnEditable() ? rng.bookmark(this.editable) : emptyBookmark
+      };
+    }
+  }, {
+    key: "applySnapshot",
+    value: function applySnapshot(snapshot) {
+      if (snapshot.contents !== null) {
+        this.$editable.html(snapshot.contents);
+      }
+
+      if (snapshot.bookmark !== null) {
+        range.createFromBookmark(this.editable, snapshot.bookmark).select();
+      }
+    }
+    /**
+    * @method rewind
+    * Rewinds the history stack back to the first snapshot taken.
+    * Leaves the stack intact, so that "Redo" can still be used.
+    */
+
+  }, {
+    key: "rewind",
+    value: function rewind() {
+      // Create snap shot if not yet recorded
+      if (this.$editable.html() !== this.stack[this.stackOffset].contents) {
+        this.recordUndo();
+      } // Return to the first available snapshot.
+
+
+      this.stackOffset = 0; // Apply that snapshot.
+
+      this.applySnapshot(this.stack[this.stackOffset]);
+    }
+    /**
+    *  @method commit
+    *  Resets history stack, but keeps current editor's content.
+    */
+
+  }, {
+    key: "commit",
+    value: function commit() {
+      // Clear the stack.
+      this.stack = []; // Restore stackOffset to its original value.
+
+      this.stackOffset = -1; // Record our first snapshot (of nothing).
+
+      this.recordUndo();
+    }
+    /**
+    * @method reset
+    * Resets the history stack completely; reverting to an empty editor.
+    */
+
+  }, {
+    key: "reset",
+    value: function reset() {
+      // Clear the stack.
+      this.stack = []; // Restore stackOffset to its original value.
+
+      this.stackOffset = -1; // Clear the editable area.
+
+      this.$editable.html(''); // Record our first snapshot (of nothing).
+
+      this.recordUndo();
+    }
+    /**
+     * undo
+     */
+
+  }, {
+    key: "undo",
+    value: function undo() {
+      // Create snap shot if not yet recorded
+      if (this.$editable.html() !== this.stack[this.stackOffset].contents) {
+        this.recordUndo();
+      }
+
+      if (this.stackOffset > 0) {
+        this.stackOffset--;
+        this.applySnapshot(this.stack[this.stackOffset]);
+      }
+    }
+    /**
+     * redo
+     */
+
+  }, {
+    key: "redo",
+    value: function redo() {
+      if (this.stack.length - 1 > this.stackOffset) {
+        this.stackOffset++;
+        this.applySnapshot(this.stack[this.stackOffset]);
+      }
+    }
+    /**
+     * recorded undo
+     */
+
+  }, {
+    key: "recordUndo",
+    value: function recordUndo() {
+      this.stackOffset++; // Wash out stack after stackOffset
+
+      if (this.stack.length > this.stackOffset) {
+        this.stack = this.stack.slice(0, this.stackOffset);
+      } // Create new snapshot and push it to the end
+
+
+      this.stack.push(this.makeSnapshot()); // If the stack size reachs to the limit, then slice it
+
+      if (this.stack.length > this.context.options.historyLimit) {
+        this.stack.shift();
+        this.stackOffset -= 1;
+      }
+    }
+  }]);
+
+  return History;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/editing/Style.js
+function Style_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Style_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Style_createClass(Constructor, protoProps, staticProps) { if (protoProps) Style_defineProperties(Constructor.prototype, protoProps); if (staticProps) Style_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+
+var Style_Style = /*#__PURE__*/function () {
+  function Style() {
+    Style_classCallCheck(this, Style);
+  }
+
+  Style_createClass(Style, [{
+    key: "jQueryCSS",
+
+    /**
+     * @method jQueryCSS
+     *
+     * [workaround] for old jQuery
+     * passing an array of style properties to .css()
+     * will result in an object of property-value pairs.
+     * (compability with version < 1.9)
+     *
+     * @private
+     * @param  {jQuery} $obj
+     * @param  {Array} propertyNames - An array of one or more CSS properties.
+     * @return {Object}
+     */
+    value: function jQueryCSS($obj, propertyNames) {
+      if (env.jqueryVersion < 1.9) {
+        var result = {};
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(propertyNames, function (idx, propertyName) {
+          result[propertyName] = $obj.css(propertyName);
+        });
+        return result;
+      }
+
+      return $obj.css(propertyNames);
+    }
+    /**
+     * returns style object from node
+     *
+     * @param {jQuery} $node
+     * @return {Object}
+     */
+
+  }, {
+    key: "fromNode",
+    value: function fromNode($node) {
+      var properties = ['font-family', 'font-size', 'text-align', 'list-style-type', 'line-height'];
+      var styleInfo = this.jQueryCSS($node, properties) || {};
+      var fontSize = $node[0].style.fontSize || styleInfo['font-size'];
+      styleInfo['font-size'] = parseInt(fontSize, 10);
+      styleInfo['font-size-unit'] = fontSize.match(/[a-z%]+$/);
+      return styleInfo;
+    }
+    /**
+     * paragraph level style
+     *
+     * @param {WrappedRange} rng
+     * @param {Object} styleInfo
+     */
+
+  }, {
+    key: "stylePara",
+    value: function stylePara(rng, styleInfo) {
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(rng.nodes(dom.isPara, {
+        includeAncestor: true
+      }), function (idx, para) {
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(para).css(styleInfo);
+      });
+    }
+    /**
+     * insert and returns styleNodes on range.
+     *
+     * @param {WrappedRange} rng
+     * @param {Object} [options] - options for styleNodes
+     * @param {String} [options.nodeName] - default: `SPAN`
+     * @param {Boolean} [options.expandClosestSibling] - default: `false`
+     * @param {Boolean} [options.onlyPartialContains] - default: `false`
+     * @return {Node[]}
+     */
+
+  }, {
+    key: "styleNodes",
+    value: function styleNodes(rng, options) {
+      rng = rng.splitText();
+      var nodeName = options && options.nodeName || 'SPAN';
+      var expandClosestSibling = !!(options && options.expandClosestSibling);
+      var onlyPartialContains = !!(options && options.onlyPartialContains);
+
+      if (rng.isCollapsed()) {
+        return [rng.insertNode(dom.create(nodeName))];
+      }
+
+      var pred = dom.makePredByNodeName(nodeName);
+      var nodes = rng.nodes(dom.isText, {
+        fullyContains: true
+      }).map(function (text) {
+        return dom.singleChildAncestor(text, pred) || dom.wrap(text, nodeName);
+      });
+
+      if (expandClosestSibling) {
+        if (onlyPartialContains) {
+          var nodesInRange = rng.nodes(); // compose with partial contains predication
+
+          pred = func.and(pred, function (node) {
+            return lists.contains(nodesInRange, node);
+          });
+        }
+
+        return nodes.map(function (node) {
+          var siblings = dom.withClosestSiblings(node, pred);
+          var head = lists.head(siblings);
+          var tails = lists.tail(siblings);
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(tails, function (idx, elem) {
+            dom.appendChildNodes(head, elem.childNodes);
+            dom.remove(elem);
+          });
+          return lists.head(siblings);
+        });
+      } else {
+        return nodes;
+      }
+    }
+    /**
+     * get current style on cursor
+     *
+     * @param {WrappedRange} rng
+     * @return {Object} - object contains style properties.
+     */
+
+  }, {
+    key: "current",
+    value: function current(rng) {
+      var $cont = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(!dom.isElement(rng.sc) ? rng.sc.parentNode : rng.sc);
+      var styleInfo = this.fromNode($cont); // document.queryCommandState for toggle state
+      // [workaround] prevent Firefox nsresult: "0x80004005 (NS_ERROR_FAILURE)"
+
+      try {
+        styleInfo = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(styleInfo, {
+          'font-bold': document.queryCommandState('bold') ? 'bold' : 'normal',
+          'font-italic': document.queryCommandState('italic') ? 'italic' : 'normal',
+          'font-underline': document.queryCommandState('underline') ? 'underline' : 'normal',
+          'font-subscript': document.queryCommandState('subscript') ? 'subscript' : 'normal',
+          'font-superscript': document.queryCommandState('superscript') ? 'superscript' : 'normal',
+          'font-strikethrough': document.queryCommandState('strikethrough') ? 'strikethrough' : 'normal',
+          'font-family': document.queryCommandValue('fontname') || styleInfo['font-family']
+        });
+      } catch (e) {} // eslint-disable-next-line
+      // list-style-type to list-style(unordered, ordered)
+
+
+      if (!rng.isOnList()) {
+        styleInfo['list-style'] = 'none';
+      } else {
+        var orderedTypes = ['circle', 'disc', 'disc-leading-zero', 'square'];
+        var isUnordered = orderedTypes.indexOf(styleInfo['list-style-type']) > -1;
+        styleInfo['list-style'] = isUnordered ? 'unordered' : 'ordered';
+      }
+
+      var para = dom.ancestor(rng.sc, dom.isPara);
+
+      if (para && para.style['line-height']) {
+        styleInfo['line-height'] = para.style.lineHeight;
+      } else {
+        var lineHeight = parseInt(styleInfo['line-height'], 10) / parseInt(styleInfo['font-size'], 10);
+        styleInfo['line-height'] = lineHeight.toFixed(1);
+      }
+
+      styleInfo.anchor = rng.isOnAnchor() && dom.ancestor(rng.sc, dom.isAnchor);
+      styleInfo.ancestors = dom.listAncestor(rng.sc, dom.isEditable);
+      styleInfo.range = rng;
+      return styleInfo;
+    }
+  }]);
+
+  return Style;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/editing/Bullet.js
+function Bullet_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Bullet_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Bullet_createClass(Constructor, protoProps, staticProps) { if (protoProps) Bullet_defineProperties(Constructor.prototype, protoProps); if (staticProps) Bullet_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+
+var Bullet_Bullet = /*#__PURE__*/function () {
+  function Bullet() {
+    Bullet_classCallCheck(this, Bullet);
+  }
+
+  Bullet_createClass(Bullet, [{
+    key: "insertOrderedList",
+
+    /**
+     * toggle ordered list
+     */
+    value: function insertOrderedList(editable) {
+      this.toggleList('OL', editable);
+    }
+    /**
+     * toggle unordered list
+     */
+
+  }, {
+    key: "insertUnorderedList",
+    value: function insertUnorderedList(editable) {
+      this.toggleList('UL', editable);
+    }
+    /**
+     * indent
+     */
+
+  }, {
+    key: "indent",
+    value: function indent(editable) {
+      var _this = this;
+
+      var rng = range.create(editable).wrapBodyInlineWithPara();
+      var paras = rng.nodes(dom.isPara, {
+        includeAncestor: true
+      });
+      var clustereds = lists.clusterBy(paras, func.peq2('parentNode'));
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(clustereds, function (idx, paras) {
+        var head = lists.head(paras);
+
+        if (dom.isLi(head)) {
+          var previousList = _this.findList(head.previousSibling);
+
+          if (previousList) {
+            paras.map(function (para) {
+              return previousList.appendChild(para);
+            });
+          } else {
+            _this.wrapList(paras, head.parentNode.nodeName);
+
+            paras.map(function (para) {
+              return para.parentNode;
+            }).map(function (para) {
+              return _this.appendToPrevious(para);
+            });
+          }
+        } else {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(paras, function (idx, para) {
+            external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(para).css('marginLeft', function (idx, val) {
+              return (parseInt(val, 10) || 0) + 25;
+            });
+          });
+        }
+      });
+      rng.select();
+    }
+    /**
+     * outdent
+     */
+
+  }, {
+    key: "outdent",
+    value: function outdent(editable) {
+      var _this2 = this;
+
+      var rng = range.create(editable).wrapBodyInlineWithPara();
+      var paras = rng.nodes(dom.isPara, {
+        includeAncestor: true
+      });
+      var clustereds = lists.clusterBy(paras, func.peq2('parentNode'));
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(clustereds, function (idx, paras) {
+        var head = lists.head(paras);
+
+        if (dom.isLi(head)) {
+          _this2.releaseList([paras]);
+        } else {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(paras, function (idx, para) {
+            external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(para).css('marginLeft', function (idx, val) {
+              val = parseInt(val, 10) || 0;
+              return val > 25 ? val - 25 : '';
+            });
+          });
+        }
+      });
+      rng.select();
+    }
+    /**
+     * toggle list
+     *
+     * @param {String} listName - OL or UL
+     */
+
+  }, {
+    key: "toggleList",
+    value: function toggleList(listName, editable) {
+      var _this3 = this;
+
+      var rng = range.create(editable).wrapBodyInlineWithPara();
+      var paras = rng.nodes(dom.isPara, {
+        includeAncestor: true
+      });
+      var bookmark = rng.paraBookmark(paras);
+      var clustereds = lists.clusterBy(paras, func.peq2('parentNode')); // paragraph to list
+
+      if (lists.find(paras, dom.isPurePara)) {
+        var wrappedParas = [];
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(clustereds, function (idx, paras) {
+          wrappedParas = wrappedParas.concat(_this3.wrapList(paras, listName));
+        });
+        paras = wrappedParas; // list to paragraph or change list style
+      } else {
+        var diffLists = rng.nodes(dom.isList, {
+          includeAncestor: true
+        }).filter(function (listNode) {
+          return !external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.nodeName(listNode, listName);
+        });
+
+        if (diffLists.length) {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(diffLists, function (idx, listNode) {
+            dom.replace(listNode, listName);
+          });
+        } else {
+          paras = this.releaseList(clustereds, true);
+        }
+      }
+
+      range.createFromParaBookmark(bookmark, paras).select();
+    }
+    /**
+     * @param {Node[]} paras
+     * @param {String} listName
+     * @return {Node[]}
+     */
+
+  }, {
+    key: "wrapList",
+    value: function wrapList(paras, listName) {
+      var head = lists.head(paras);
+      var last = lists.last(paras);
+      var prevList = dom.isList(head.previousSibling) && head.previousSibling;
+      var nextList = dom.isList(last.nextSibling) && last.nextSibling;
+      var listNode = prevList || dom.insertAfter(dom.create(listName || 'UL'), last); // P to LI
+
+      paras = paras.map(function (para) {
+        return dom.isPurePara(para) ? dom.replace(para, 'LI') : para;
+      }); // append to list(<ul>, <ol>)
+
+      dom.appendChildNodes(listNode, paras);
+
+      if (nextList) {
+        dom.appendChildNodes(listNode, lists.from(nextList.childNodes));
+        dom.remove(nextList);
+      }
+
+      return paras;
+    }
+    /**
+     * @method releaseList
+     *
+     * @param {Array[]} clustereds
+     * @param {Boolean} isEscapseToBody
+     * @return {Node[]}
+     */
+
+  }, {
+    key: "releaseList",
+    value: function releaseList(clustereds, isEscapseToBody) {
+      var _this4 = this;
+
+      var releasedParas = [];
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(clustereds, function (idx, paras) {
+        var head = lists.head(paras);
+        var last = lists.last(paras);
+        var headList = isEscapseToBody ? dom.lastAncestor(head, dom.isList) : head.parentNode;
+        var parentItem = headList.parentNode;
+
+        if (headList.parentNode.nodeName === 'LI') {
+          paras.map(function (para) {
+            var newList = _this4.findNextSiblings(para);
+
+            if (parentItem.nextSibling) {
+              parentItem.parentNode.insertBefore(para, parentItem.nextSibling);
+            } else {
+              parentItem.parentNode.appendChild(para);
+            }
+
+            if (newList.length) {
+              _this4.wrapList(newList, headList.nodeName);
+
+              para.appendChild(newList[0].parentNode);
+            }
+          });
+
+          if (headList.children.length === 0) {
+            parentItem.removeChild(headList);
+          }
+
+          if (parentItem.childNodes.length === 0) {
+            parentItem.parentNode.removeChild(parentItem);
+          }
+        } else {
+          var lastList = headList.childNodes.length > 1 ? dom.splitTree(headList, {
+            node: last.parentNode,
+            offset: dom.position(last) + 1
+          }, {
+            isSkipPaddingBlankHTML: true
+          }) : null;
+          var middleList = dom.splitTree(headList, {
+            node: head.parentNode,
+            offset: dom.position(head)
+          }, {
+            isSkipPaddingBlankHTML: true
+          });
+          paras = isEscapseToBody ? dom.listDescendant(middleList, dom.isLi) : lists.from(middleList.childNodes).filter(dom.isLi); // LI to P
+
+          if (isEscapseToBody || !dom.isList(headList.parentNode)) {
+            paras = paras.map(function (para) {
+              return dom.replace(para, 'P');
+            });
+          }
+
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(lists.from(paras).reverse(), function (idx, para) {
+            dom.insertAfter(para, headList);
+          }); // remove empty lists
+
+          var rootLists = lists.compact([headList, middleList, lastList]);
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(rootLists, function (idx, rootList) {
+            var listNodes = [rootList].concat(dom.listDescendant(rootList, dom.isList));
+            external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(listNodes.reverse(), function (idx, listNode) {
+              if (!dom.nodeLength(listNode)) {
+                dom.remove(listNode, true);
+              }
+            });
+          });
+        }
+
+        releasedParas = releasedParas.concat(paras);
+      });
+      return releasedParas;
+    }
+    /**
+     * @method appendToPrevious
+     *
+     * Appends list to previous list item, if
+     * none exist it wraps the list in a new list item.
+     *
+     * @param {HTMLNode} ListItem
+     * @return {HTMLNode}
+     */
+
+  }, {
+    key: "appendToPrevious",
+    value: function appendToPrevious(node) {
+      return node.previousSibling ? dom.appendChildNodes(node.previousSibling, [node]) : this.wrapList([node], 'LI');
+    }
+    /**
+     * @method findList
+     *
+     * Finds an existing list in list item
+     *
+     * @param {HTMLNode} ListItem
+     * @return {Array[]}
+     */
+
+  }, {
+    key: "findList",
+    value: function findList(node) {
+      return node ? lists.find(node.children, function (child) {
+        return ['OL', 'UL'].indexOf(child.nodeName) > -1;
+      }) : null;
+    }
+    /**
+     * @method findNextSiblings
+     *
+     * Finds all list item siblings that follow it
+     *
+     * @param {HTMLNode} ListItem
+     * @return {HTMLNode}
+     */
+
+  }, {
+    key: "findNextSiblings",
+    value: function findNextSiblings(node) {
+      var siblings = [];
+
+      while (node.nextSibling) {
+        siblings.push(node.nextSibling);
+        node = node.nextSibling;
+      }
+
+      return siblings;
+    }
+  }]);
+
+  return Bullet;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/editing/Typing.js
+function Typing_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Typing_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Typing_createClass(Constructor, protoProps, staticProps) { if (protoProps) Typing_defineProperties(Constructor.prototype, protoProps); if (staticProps) Typing_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+/**
+ * @class editing.Typing
+ *
+ * Typing
+ *
+ */
+
+var Typing_Typing = /*#__PURE__*/function () {
+  function Typing(context) {
+    Typing_classCallCheck(this, Typing);
+
+    // a Bullet instance to toggle lists off
+    this.bullet = new Bullet_Bullet();
+    this.options = context.options;
+  }
+  /**
+   * insert tab
+   *
+   * @param {WrappedRange} rng
+   * @param {Number} tabsize
+   */
+
+
+  Typing_createClass(Typing, [{
+    key: "insertTab",
+    value: function insertTab(rng, tabsize) {
+      var tab = dom.createText(new Array(tabsize + 1).join(dom.NBSP_CHAR));
+      rng = rng.deleteContents();
+      rng.insertNode(tab, true);
+      rng = range.create(tab, tabsize);
+      rng.select();
+    }
+    /**
+     * insert paragraph
+     *
+     * @param {jQuery} $editable
+     * @param {WrappedRange} rng Can be used in unit tests to "mock" the range
+     *
+     * blockquoteBreakingLevel
+     *   0 - No break, the new paragraph remains inside the quote
+     *   1 - Break the first blockquote in the ancestors list
+     *   2 - Break all blockquotes, so that the new paragraph is not quoted (this is the default)
+     */
+
+  }, {
+    key: "insertParagraph",
+    value: function insertParagraph(editable, rng) {
+      rng = rng || range.create(editable); // deleteContents on range.
+
+      rng = rng.deleteContents(); // Wrap range if it needs to be wrapped by paragraph
+
+      rng = rng.wrapBodyInlineWithPara(); // finding paragraph
+
+      var splitRoot = dom.ancestor(rng.sc, dom.isPara);
+      var nextPara; // on paragraph: split paragraph
+
+      if (splitRoot) {
+        // if it is an empty line with li
+        if (dom.isLi(splitRoot) && (dom.isEmpty(splitRoot) || dom.deepestChildIsEmpty(splitRoot))) {
+          // toggle UL/OL and escape
+          this.bullet.toggleList(splitRoot.parentNode.nodeName);
+          return;
+        } else {
+          var blockquote = null;
+
+          if (this.options.blockquoteBreakingLevel === 1) {
+            blockquote = dom.ancestor(splitRoot, dom.isBlockquote);
+          } else if (this.options.blockquoteBreakingLevel === 2) {
+            blockquote = dom.lastAncestor(splitRoot, dom.isBlockquote);
+          }
+
+          if (blockquote) {
+            // We're inside a blockquote and options ask us to break it
+            nextPara = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(dom.emptyPara)[0]; // If the split is right before a <br>, remove it so that there's no "empty line"
+            // after the split in the new blockquote created
+
+            if (dom.isRightEdgePoint(rng.getStartPoint()) && dom.isBR(rng.sc.nextSibling)) {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(rng.sc.nextSibling).remove();
+            }
+
+            var split = dom.splitTree(blockquote, rng.getStartPoint(), {
+              isDiscardEmptySplits: true
+            });
+
+            if (split) {
+              split.parentNode.insertBefore(nextPara, split);
+            } else {
+              dom.insertAfter(nextPara, blockquote); // There's no split if we were at the end of the blockquote
+            }
+          } else {
+            nextPara = dom.splitTree(splitRoot, rng.getStartPoint()); // not a blockquote, just insert the paragraph
+
+            var emptyAnchors = dom.listDescendant(splitRoot, dom.isEmptyAnchor);
+            emptyAnchors = emptyAnchors.concat(dom.listDescendant(nextPara, dom.isEmptyAnchor));
+            external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(emptyAnchors, function (idx, anchor) {
+              dom.remove(anchor);
+            }); // replace empty heading, pre or custom-made styleTag with P tag
+
+            if ((dom.isHeading(nextPara) || dom.isPre(nextPara) || dom.isCustomStyleTag(nextPara)) && dom.isEmpty(nextPara)) {
+              nextPara = dom.replace(nextPara, 'p');
+            }
+          }
+        } // no paragraph: insert empty paragraph
+
+      } else {
+        var next = rng.sc.childNodes[rng.so];
+        nextPara = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(dom.emptyPara)[0];
+
+        if (next) {
+          rng.sc.insertBefore(nextPara, next);
+        } else {
+          rng.sc.appendChild(nextPara);
+        }
+      }
+
+      range.create(nextPara, 0).normalize().select().scrollIntoView(editable);
+    }
+  }]);
+
+  return Typing;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/editing/Table.js
+function Table_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Table_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Table_createClass(Constructor, protoProps, staticProps) { if (protoProps) Table_defineProperties(Constructor.prototype, protoProps); if (staticProps) Table_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+/**
+ * @class Create a virtual table to create what actions to do in change.
+ * @param {object} startPoint Cell selected to apply change.
+ * @param {enum} where  Where change will be applied Row or Col. Use enum: TableResultAction.where
+ * @param {enum} action Action to be applied. Use enum: TableResultAction.requestAction
+ * @param {object} domTable Dom element of table to make changes.
+ */
+
+var TableResultAction = function TableResultAction(startPoint, where, action, domTable) {
+  var _startPoint = {
+    'colPos': 0,
+    'rowPos': 0
+  };
+  var _virtualTable = [];
+  var _actionCellList = []; /// ///////////////////////////////////////////
+  // Private functions
+  /// ///////////////////////////////////////////
+
+  /**
+   * Set the startPoint of action.
+   */
+
+  function setStartPoint() {
+    if (!startPoint || !startPoint.tagName || startPoint.tagName.toLowerCase() !== 'td' && startPoint.tagName.toLowerCase() !== 'th') {
+      // Impossible to identify start Cell point
+      return;
+    }
+
+    _startPoint.colPos = startPoint.cellIndex;
+
+    if (!startPoint.parentElement || !startPoint.parentElement.tagName || startPoint.parentElement.tagName.toLowerCase() !== 'tr') {
+      // Impossible to identify start Row point
+      return;
+    }
+
+    _startPoint.rowPos = startPoint.parentElement.rowIndex;
+  }
+  /**
+   * Define virtual table position info object.
+   *
+   * @param {int} rowIndex Index position in line of virtual table.
+   * @param {int} cellIndex Index position in column of virtual table.
+   * @param {object} baseRow Row affected by this position.
+   * @param {object} baseCell Cell affected by this position.
+   * @param {bool} isSpan Inform if it is an span cell/row.
+   */
+
+
+  function setVirtualTablePosition(rowIndex, cellIndex, baseRow, baseCell, isRowSpan, isColSpan, isVirtualCell) {
+    var objPosition = {
+      'baseRow': baseRow,
+      'baseCell': baseCell,
+      'isRowSpan': isRowSpan,
+      'isColSpan': isColSpan,
+      'isVirtual': isVirtualCell
+    };
+
+    if (!_virtualTable[rowIndex]) {
+      _virtualTable[rowIndex] = [];
+    }
+
+    _virtualTable[rowIndex][cellIndex] = objPosition;
+  }
+  /**
+   * Create action cell object.
+   *
+   * @param {object} virtualTableCellObj Object of specific position on virtual table.
+   * @param {enum} resultAction Action to be applied in that item.
+   */
+
+
+  function getActionCell(virtualTableCellObj, resultAction, virtualRowPosition, virtualColPosition) {
+    return {
+      'baseCell': virtualTableCellObj.baseCell,
+      'action': resultAction,
+      'virtualTable': {
+        'rowIndex': virtualRowPosition,
+        'cellIndex': virtualColPosition
+      }
+    };
+  }
+  /**
+   * Recover free index of row to append Cell.
+   *
+   * @param {int} rowIndex Index of row to find free space.
+   * @param {int} cellIndex Index of cell to find free space in table.
+   */
+
+
+  function recoverCellIndex(rowIndex, cellIndex) {
+    if (!_virtualTable[rowIndex]) {
+      return cellIndex;
+    }
+
+    if (!_virtualTable[rowIndex][cellIndex]) {
+      return cellIndex;
+    }
+
+    var newCellIndex = cellIndex;
+
+    while (_virtualTable[rowIndex][newCellIndex]) {
+      newCellIndex++;
+
+      if (!_virtualTable[rowIndex][newCellIndex]) {
+        return newCellIndex;
+      }
+    }
+  }
+  /**
+   * Recover info about row and cell and add information to virtual table.
+   *
+   * @param {object} row Row to recover information.
+   * @param {object} cell Cell to recover information.
+   */
+
+
+  function addCellInfoToVirtual(row, cell) {
+    var cellIndex = recoverCellIndex(row.rowIndex, cell.cellIndex);
+    var cellHasColspan = cell.colSpan > 1;
+    var cellHasRowspan = cell.rowSpan > 1;
+    var isThisSelectedCell = row.rowIndex === _startPoint.rowPos && cell.cellIndex === _startPoint.colPos;
+    setVirtualTablePosition(row.rowIndex, cellIndex, row, cell, cellHasRowspan, cellHasColspan, false); // Add span rows to virtual Table.
+
+    var rowspanNumber = cell.attributes.rowSpan ? parseInt(cell.attributes.rowSpan.value, 10) : 0;
+
+    if (rowspanNumber > 1) {
+      for (var rp = 1; rp < rowspanNumber; rp++) {
+        var rowspanIndex = row.rowIndex + rp;
+        adjustStartPoint(rowspanIndex, cellIndex, cell, isThisSelectedCell);
+        setVirtualTablePosition(rowspanIndex, cellIndex, row, cell, true, cellHasColspan, true);
+      }
+    } // Add span cols to virtual table.
+
+
+    var colspanNumber = cell.attributes.colSpan ? parseInt(cell.attributes.colSpan.value, 10) : 0;
+
+    if (colspanNumber > 1) {
+      for (var cp = 1; cp < colspanNumber; cp++) {
+        var cellspanIndex = recoverCellIndex(row.rowIndex, cellIndex + cp);
+        adjustStartPoint(row.rowIndex, cellspanIndex, cell, isThisSelectedCell);
+        setVirtualTablePosition(row.rowIndex, cellspanIndex, row, cell, cellHasRowspan, true, true);
+      }
+    }
+  }
+  /**
+   * Process validation and adjust of start point if needed
+   *
+   * @param {int} rowIndex
+   * @param {int} cellIndex
+   * @param {object} cell
+   * @param {bool} isSelectedCell
+   */
+
+
+  function adjustStartPoint(rowIndex, cellIndex, cell, isSelectedCell) {
+    if (rowIndex === _startPoint.rowPos && _startPoint.colPos >= cell.cellIndex && cell.cellIndex <= cellIndex && !isSelectedCell) {
+      _startPoint.colPos++;
+    }
+  }
+  /**
+   * Create virtual table of cells with all cells, including span cells.
+   */
+
+
+  function createVirtualTable() {
+    var rows = domTable.rows;
+
+    for (var rowIndex = 0; rowIndex < rows.length; rowIndex++) {
+      var cells = rows[rowIndex].cells;
+
+      for (var cellIndex = 0; cellIndex < cells.length; cellIndex++) {
+        addCellInfoToVirtual(rows[rowIndex], cells[cellIndex]);
+      }
+    }
+  }
+  /**
+   * Get action to be applied on the cell.
+   *
+   * @param {object} cell virtual table cell to apply action
+   */
+
+
+  function getDeleteResultActionToCell(cell) {
+    switch (where) {
+      case TableResultAction.where.Column:
+        if (cell.isColSpan) {
+          return TableResultAction.resultAction.SubtractSpanCount;
+        }
+
+        break;
+
+      case TableResultAction.where.Row:
+        if (!cell.isVirtual && cell.isRowSpan) {
+          return TableResultAction.resultAction.AddCell;
+        } else if (cell.isRowSpan) {
+          return TableResultAction.resultAction.SubtractSpanCount;
+        }
+
+        break;
+    }
+
+    return TableResultAction.resultAction.RemoveCell;
+  }
+  /**
+   * Get action to be applied on the cell.
+   *
+   * @param {object} cell virtual table cell to apply action
+   */
+
+
+  function getAddResultActionToCell(cell) {
+    switch (where) {
+      case TableResultAction.where.Column:
+        if (cell.isColSpan) {
+          return TableResultAction.resultAction.SumSpanCount;
+        } else if (cell.isRowSpan && cell.isVirtual) {
+          return TableResultAction.resultAction.Ignore;
+        }
+
+        break;
+
+      case TableResultAction.where.Row:
+        if (cell.isRowSpan) {
+          return TableResultAction.resultAction.SumSpanCount;
+        } else if (cell.isColSpan && cell.isVirtual) {
+          return TableResultAction.resultAction.Ignore;
+        }
+
+        break;
+    }
+
+    return TableResultAction.resultAction.AddCell;
+  }
+
+  function init() {
+    setStartPoint();
+    createVirtualTable();
+  } /// ///////////////////////////////////////////
+  // Public functions
+  /// ///////////////////////////////////////////
+
+  /**
+   * Recover array os what to do in table.
+   */
+
+
+  this.getActionList = function () {
+    var fixedRow = where === TableResultAction.where.Row ? _startPoint.rowPos : -1;
+    var fixedCol = where === TableResultAction.where.Column ? _startPoint.colPos : -1;
+    var actualPosition = 0;
+    var canContinue = true;
+
+    while (canContinue) {
+      var rowPosition = fixedRow >= 0 ? fixedRow : actualPosition;
+      var colPosition = fixedCol >= 0 ? fixedCol : actualPosition;
+      var row = _virtualTable[rowPosition];
+
+      if (!row) {
+        canContinue = false;
+        return _actionCellList;
+      }
+
+      var cell = row[colPosition];
+
+      if (!cell) {
+        canContinue = false;
+        return _actionCellList;
+      } // Define action to be applied in this cell
+
+
+      var resultAction = TableResultAction.resultAction.Ignore;
+
+      switch (action) {
+        case TableResultAction.requestAction.Add:
+          resultAction = getAddResultActionToCell(cell);
+          break;
+
+        case TableResultAction.requestAction.Delete:
+          resultAction = getDeleteResultActionToCell(cell);
+          break;
+      }
+
+      _actionCellList.push(getActionCell(cell, resultAction, rowPosition, colPosition));
+
+      actualPosition++;
+    }
+
+    return _actionCellList;
+  };
+
+  init();
+};
+/**
+*
+* Where action occours enum.
+*/
+
+
+TableResultAction.where = {
+  'Row': 0,
+  'Column': 1
+};
+/**
+*
+* Requested action to apply enum.
+*/
+
+TableResultAction.requestAction = {
+  'Add': 0,
+  'Delete': 1
+};
+/**
+*
+* Result action to be executed enum.
+*/
+
+TableResultAction.resultAction = {
+  'Ignore': 0,
+  'SubtractSpanCount': 1,
+  'RemoveCell': 2,
+  'AddCell': 3,
+  'SumSpanCount': 4
+};
+/**
+ *
+ * @class editing.Table
+ *
+ * Table
+ *
+ */
+
+var Table_Table = /*#__PURE__*/function () {
+  function Table() {
+    Table_classCallCheck(this, Table);
+  }
+
+  Table_createClass(Table, [{
+    key: "tab",
+
+    /**
+     * handle tab key
+     *
+     * @param {WrappedRange} rng
+     * @param {Boolean} isShift
+     */
+    value: function tab(rng, isShift) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      var table = dom.ancestor(cell, dom.isTable);
+      var cells = dom.listDescendant(table, dom.isCell);
+      var nextCell = lists[isShift ? 'prev' : 'next'](cells, cell);
+
+      if (nextCell) {
+        range.create(nextCell, 0).select();
+      }
+    }
+    /**
+     * Add a new row
+     *
+     * @param {WrappedRange} rng
+     * @param {String} position (top/bottom)
+     * @return {Node}
+     */
+
+  }, {
+    key: "addRow",
+    value: function addRow(rng, position) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      var currentTr = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell).closest('tr');
+      var trAttributes = this.recoverAttributes(currentTr);
+      var html = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<tr' + trAttributes + '></tr>');
+      var vTable = new TableResultAction(cell, TableResultAction.where.Row, TableResultAction.requestAction.Add, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(currentTr).closest('table')[0]);
+      var actions = vTable.getActionList();
+
+      for (var idCell = 0; idCell < actions.length; idCell++) {
+        var currentCell = actions[idCell];
+        var tdAttributes = this.recoverAttributes(currentCell.baseCell);
+
+        switch (currentCell.action) {
+          case TableResultAction.resultAction.AddCell:
+            html.append('<td' + tdAttributes + '>' + dom.blank + '</td>');
+            break;
+
+          case TableResultAction.resultAction.SumSpanCount:
+            {
+              if (position === 'top') {
+                var baseCellTr = currentCell.baseCell.parent;
+                var isTopFromRowSpan = (!baseCellTr ? 0 : currentCell.baseCell.closest('tr').rowIndex) <= currentTr[0].rowIndex;
+
+                if (isTopFromRowSpan) {
+                  var newTd = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div></div>').append(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<td' + tdAttributes + '>' + dom.blank + '</td>').removeAttr('rowspan')).html();
+                  html.append(newTd);
+                  break;
+                }
+              }
+
+              var rowspanNumber = parseInt(currentCell.baseCell.rowSpan, 10);
+              rowspanNumber++;
+              currentCell.baseCell.setAttribute('rowSpan', rowspanNumber);
+            }
+            break;
+        }
+      }
+
+      if (position === 'top') {
+        currentTr.before(html);
+      } else {
+        var cellHasRowspan = cell.rowSpan > 1;
+
+        if (cellHasRowspan) {
+          var lastTrIndex = currentTr[0].rowIndex + (cell.rowSpan - 2);
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(currentTr).parent().find('tr')[lastTrIndex]).after(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(html));
+          return;
+        }
+
+        currentTr.after(html);
+      }
+    }
+    /**
+     * Add a new col
+     *
+     * @param {WrappedRange} rng
+     * @param {String} position (left/right)
+     * @return {Node}
+     */
+
+  }, {
+    key: "addCol",
+    value: function addCol(rng, position) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      var row = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell).closest('tr');
+      var rowsGroup = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(row).siblings();
+      rowsGroup.push(row);
+      var vTable = new TableResultAction(cell, TableResultAction.where.Column, TableResultAction.requestAction.Add, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(row).closest('table')[0]);
+      var actions = vTable.getActionList();
+
+      for (var actionIndex = 0; actionIndex < actions.length; actionIndex++) {
+        var currentCell = actions[actionIndex];
+        var tdAttributes = this.recoverAttributes(currentCell.baseCell);
+
+        switch (currentCell.action) {
+          case TableResultAction.resultAction.AddCell:
+            if (position === 'right') {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(currentCell.baseCell).after('<td' + tdAttributes + '>' + dom.blank + '</td>');
+            } else {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(currentCell.baseCell).before('<td' + tdAttributes + '>' + dom.blank + '</td>');
+            }
+
+            break;
+
+          case TableResultAction.resultAction.SumSpanCount:
+            if (position === 'right') {
+              var colspanNumber = parseInt(currentCell.baseCell.colSpan, 10);
+              colspanNumber++;
+              currentCell.baseCell.setAttribute('colSpan', colspanNumber);
+            } else {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(currentCell.baseCell).before('<td' + tdAttributes + '>' + dom.blank + '</td>');
+            }
+
+            break;
+        }
+      }
+    }
+    /*
+    * Copy attributes from element.
+    *
+    * @param {object} Element to recover attributes.
+    * @return {string} Copied string elements.
+    */
+
+  }, {
+    key: "recoverAttributes",
+    value: function recoverAttributes(el) {
+      var resultStr = '';
+
+      if (!el) {
+        return resultStr;
+      }
+
+      var attrList = el.attributes || [];
+
+      for (var i = 0; i < attrList.length; i++) {
+        if (attrList[i].name.toLowerCase() === 'id') {
+          continue;
+        }
+
+        if (attrList[i].specified) {
+          resultStr += ' ' + attrList[i].name + '=\'' + attrList[i].value + '\'';
+        }
+      }
+
+      return resultStr;
+    }
+    /**
+     * Delete current row
+     *
+     * @param {WrappedRange} rng
+     * @return {Node}
+     */
+
+  }, {
+    key: "deleteRow",
+    value: function deleteRow(rng) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      var row = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell).closest('tr');
+      var cellPos = row.children('td, th').index(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell));
+      var rowPos = row[0].rowIndex;
+      var vTable = new TableResultAction(cell, TableResultAction.where.Row, TableResultAction.requestAction.Delete, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(row).closest('table')[0]);
+      var actions = vTable.getActionList();
+
+      for (var actionIndex = 0; actionIndex < actions.length; actionIndex++) {
+        if (!actions[actionIndex]) {
+          continue;
+        }
+
+        var baseCell = actions[actionIndex].baseCell;
+        var virtualPosition = actions[actionIndex].virtualTable;
+        var hasRowspan = baseCell.rowSpan && baseCell.rowSpan > 1;
+        var rowspanNumber = hasRowspan ? parseInt(baseCell.rowSpan, 10) : 0;
+
+        switch (actions[actionIndex].action) {
+          case TableResultAction.resultAction.Ignore:
+            continue;
+
+          case TableResultAction.resultAction.AddCell:
+            {
+              var nextRow = row.next('tr')[0];
+
+              if (!nextRow) {
+                continue;
+              }
+
+              var cloneRow = row[0].cells[cellPos];
+
+              if (hasRowspan) {
+                if (rowspanNumber > 2) {
+                  rowspanNumber--;
+                  nextRow.insertBefore(cloneRow, nextRow.cells[cellPos]);
+                  nextRow.cells[cellPos].setAttribute('rowSpan', rowspanNumber);
+                  nextRow.cells[cellPos].innerHTML = '';
+                } else if (rowspanNumber === 2) {
+                  nextRow.insertBefore(cloneRow, nextRow.cells[cellPos]);
+                  nextRow.cells[cellPos].removeAttribute('rowSpan');
+                  nextRow.cells[cellPos].innerHTML = '';
+                }
+              }
+            }
+            continue;
+
+          case TableResultAction.resultAction.SubtractSpanCount:
+            if (hasRowspan) {
+              if (rowspanNumber > 2) {
+                rowspanNumber--;
+                baseCell.setAttribute('rowSpan', rowspanNumber);
+
+                if (virtualPosition.rowIndex !== rowPos && baseCell.cellIndex === cellPos) {
+                  baseCell.innerHTML = '';
+                }
+              } else if (rowspanNumber === 2) {
+                baseCell.removeAttribute('rowSpan');
+
+                if (virtualPosition.rowIndex !== rowPos && baseCell.cellIndex === cellPos) {
+                  baseCell.innerHTML = '';
+                }
+              }
+            }
+
+            continue;
+
+          case TableResultAction.resultAction.RemoveCell:
+            // Do not need remove cell because row will be deleted.
+            continue;
+        }
+      }
+
+      row.remove();
+    }
+    /**
+     * Delete current col
+     *
+     * @param {WrappedRange} rng
+     * @return {Node}
+     */
+
+  }, {
+    key: "deleteCol",
+    value: function deleteCol(rng) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      var row = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell).closest('tr');
+      var cellPos = row.children('td, th').index(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell));
+      var vTable = new TableResultAction(cell, TableResultAction.where.Column, TableResultAction.requestAction.Delete, external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(row).closest('table')[0]);
+      var actions = vTable.getActionList();
+
+      for (var actionIndex = 0; actionIndex < actions.length; actionIndex++) {
+        if (!actions[actionIndex]) {
+          continue;
+        }
+
+        switch (actions[actionIndex].action) {
+          case TableResultAction.resultAction.Ignore:
+            continue;
+
+          case TableResultAction.resultAction.SubtractSpanCount:
+            {
+              var baseCell = actions[actionIndex].baseCell;
+              var hasColspan = baseCell.colSpan && baseCell.colSpan > 1;
+
+              if (hasColspan) {
+                var colspanNumber = baseCell.colSpan ? parseInt(baseCell.colSpan, 10) : 0;
+
+                if (colspanNumber > 2) {
+                  colspanNumber--;
+                  baseCell.setAttribute('colSpan', colspanNumber);
+
+                  if (baseCell.cellIndex === cellPos) {
+                    baseCell.innerHTML = '';
+                  }
+                } else if (colspanNumber === 2) {
+                  baseCell.removeAttribute('colSpan');
+
+                  if (baseCell.cellIndex === cellPos) {
+                    baseCell.innerHTML = '';
+                  }
+                }
+              }
+            }
+            continue;
+
+          case TableResultAction.resultAction.RemoveCell:
+            dom.remove(actions[actionIndex].baseCell, true);
+            continue;
+        }
+      }
+    }
+    /**
+     * create empty table element
+     *
+     * @param {Number} rowCount
+     * @param {Number} colCount
+     * @return {Node}
+     */
+
+  }, {
+    key: "createTable",
+    value: function createTable(colCount, rowCount, options) {
+      var tds = [];
+      var tdHTML;
+
+      for (var idxCol = 0; idxCol < colCount; idxCol++) {
+        tds.push('<td>' + dom.blank + '</td>');
+      }
+
+      tdHTML = tds.join('');
+      var trs = [];
+      var trHTML;
+
+      for (var idxRow = 0; idxRow < rowCount; idxRow++) {
+        trs.push('<tr>' + tdHTML + '</tr>');
+      }
+
+      trHTML = trs.join('');
+      var $table = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<table>' + trHTML + '</table>');
+
+      if (options && options.tableClassName) {
+        $table.addClass(options.tableClassName);
+      }
+
+      return $table[0];
+    }
+    /**
+     * Delete current table
+     *
+     * @param {WrappedRange} rng
+     * @return {Node}
+     */
+
+  }, {
+    key: "deleteTable",
+    value: function deleteTable(rng) {
+      var cell = dom.ancestor(rng.commonAncestor(), dom.isCell);
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(cell).closest('table').remove();
+    }
+  }]);
+
+  return Table;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Editor.js
+function Editor_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Editor_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Editor_createClass(Constructor, protoProps, staticProps) { if (protoProps) Editor_defineProperties(Constructor.prototype, protoProps); if (staticProps) Editor_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+var KEY_BOGUS = 'bogus';
+/**
+ * @class Editor
+ */
+
+var Editor_Editor = /*#__PURE__*/function () {
+  function Editor(context) {
+    var _this = this;
+
+    Editor_classCallCheck(this, Editor);
+
+    this.context = context;
+    this.$note = context.layoutInfo.note;
+    this.$editor = context.layoutInfo.editor;
+    this.$editable = context.layoutInfo.editable;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+    this.editable = this.$editable[0];
+    this.lastRange = null;
+    this.snapshot = null;
+    this.style = new Style_Style();
+    this.table = new Table_Table();
+    this.typing = new Typing_Typing(context);
+    this.bullet = new Bullet_Bullet();
+    this.history = new History_History(context);
+    this.context.memo('help.escape', this.lang.help.escape);
+    this.context.memo('help.undo', this.lang.help.undo);
+    this.context.memo('help.redo', this.lang.help.redo);
+    this.context.memo('help.tab', this.lang.help.tab);
+    this.context.memo('help.untab', this.lang.help.untab);
+    this.context.memo('help.insertParagraph', this.lang.help.insertParagraph);
+    this.context.memo('help.insertOrderedList', this.lang.help.insertOrderedList);
+    this.context.memo('help.insertUnorderedList', this.lang.help.insertUnorderedList);
+    this.context.memo('help.indent', this.lang.help.indent);
+    this.context.memo('help.outdent', this.lang.help.outdent);
+    this.context.memo('help.formatPara', this.lang.help.formatPara);
+    this.context.memo('help.insertHorizontalRule', this.lang.help.insertHorizontalRule);
+    this.context.memo('help.fontName', this.lang.help.fontName); // native commands(with execCommand), generate function for execCommand
+
+    var commands = ['bold', 'italic', 'underline', 'strikethrough', 'superscript', 'subscript', 'justifyLeft', 'justifyCenter', 'justifyRight', 'justifyFull', 'formatBlock', 'removeFormat', 'backColor'];
+
+    for (var idx = 0, len = commands.length; idx < len; idx++) {
+      this[commands[idx]] = function (sCmd) {
+        return function (value) {
+          _this.beforeCommand();
+
+          document.execCommand(sCmd, false, value);
+
+          _this.afterCommand(true);
+        };
+      }(commands[idx]);
+
+      this.context.memo('help.' + commands[idx], this.lang.help[commands[idx]]);
+    }
+
+    this.fontName = this.wrapCommand(function (value) {
+      return _this.fontStyling('font-family', env.validFontName(value));
+    });
+    this.fontSize = this.wrapCommand(function (value) {
+      var unit = _this.currentStyle()['font-size-unit'];
+
+      return _this.fontStyling('font-size', value + unit);
+    });
+    this.fontSizeUnit = this.wrapCommand(function (value) {
+      var size = _this.currentStyle()['font-size'];
+
+      return _this.fontStyling('font-size', size + value);
+    });
+
+    for (var _idx = 1; _idx <= 6; _idx++) {
+      this['formatH' + _idx] = function (idx) {
+        return function () {
+          _this.formatBlock('H' + idx);
+        };
+      }(_idx);
+
+      this.context.memo('help.formatH' + _idx, this.lang.help['formatH' + _idx]);
+    }
+
+    this.insertParagraph = this.wrapCommand(function () {
+      _this.typing.insertParagraph(_this.editable);
+    });
+    this.insertOrderedList = this.wrapCommand(function () {
+      _this.bullet.insertOrderedList(_this.editable);
+    });
+    this.insertUnorderedList = this.wrapCommand(function () {
+      _this.bullet.insertUnorderedList(_this.editable);
+    });
+    this.indent = this.wrapCommand(function () {
+      _this.bullet.indent(_this.editable);
+    });
+    this.outdent = this.wrapCommand(function () {
+      _this.bullet.outdent(_this.editable);
+    });
+    /**
+     * insertNode
+     * insert node
+     * @param {Node} node
+     */
+
+    this.insertNode = this.wrapCommand(function (node) {
+      if (_this.isLimited(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(node).text().length)) {
+        return;
+      }
+
+      var rng = _this.getLastRange();
+
+      rng.insertNode(node);
+
+      _this.setLastRange(range.createFromNodeAfter(node).select());
+    });
+    /**
+     * insert text
+     * @param {String} text
+     */
+
+    this.insertText = this.wrapCommand(function (text) {
+      if (_this.isLimited(text.length)) {
+        return;
+      }
+
+      var rng = _this.getLastRange();
+
+      var textNode = rng.insertNode(dom.createText(text));
+
+      _this.setLastRange(range.create(textNode, dom.nodeLength(textNode)).select());
+    });
+    /**
+     * paste HTML
+     * @param {String} markup
+     */
+
+    this.pasteHTML = this.wrapCommand(function (markup) {
+      if (_this.isLimited(markup.length)) {
+        return;
+      }
+
+      markup = _this.context.invoke('codeview.purify', markup);
+
+      var contents = _this.getLastRange().pasteHTML(markup);
+
+      _this.setLastRange(range.createFromNodeAfter(lists.last(contents)).select());
+    });
+    /**
+     * formatBlock
+     *
+     * @param {String} tagName
+     */
+
+    this.formatBlock = this.wrapCommand(function (tagName, $target) {
+      var onApplyCustomStyle = _this.options.callbacks.onApplyCustomStyle;
+
+      if (onApplyCustomStyle) {
+        onApplyCustomStyle.call(_this, $target, _this.context, _this.onFormatBlock);
+      } else {
+        _this.onFormatBlock(tagName, $target);
+      }
+    });
+    /**
+     * insert horizontal rule
+     */
+
+    this.insertHorizontalRule = this.wrapCommand(function () {
+      var hrNode = _this.getLastRange().insertNode(dom.create('HR'));
+
+      if (hrNode.nextSibling) {
+        _this.setLastRange(range.create(hrNode.nextSibling, 0).normalize().select());
+      }
+    });
+    /**
+     * lineHeight
+     * @param {String} value
+     */
+
+    this.lineHeight = this.wrapCommand(function (value) {
+      _this.style.stylePara(_this.getLastRange(), {
+        lineHeight: value
+      });
+    });
+    /**
+     * create link (command)
+     *
+     * @param {Object} linkInfo
+     */
+
+    this.createLink = this.wrapCommand(function (linkInfo) {
+      var linkUrl = linkInfo.url;
+      var linkText = linkInfo.text;
+      var isNewWindow = linkInfo.isNewWindow;
+      var checkProtocol = linkInfo.checkProtocol;
+
+      var rng = linkInfo.range || _this.getLastRange();
+
+      var additionalTextLength = linkText.length - rng.toString().length;
+
+      if (additionalTextLength > 0 && _this.isLimited(additionalTextLength)) {
+        return;
+      }
+
+      var isTextChanged = rng.toString() !== linkText; // handle spaced urls from input
+
+      if (typeof linkUrl === 'string') {
+        linkUrl = linkUrl.trim();
+      }
+
+      if (_this.options.onCreateLink) {
+        linkUrl = _this.options.onCreateLink(linkUrl);
+      } else if (checkProtocol) {
+        // if url doesn't have any protocol and not even a relative or a label, use http:// as default
+        linkUrl = /^([A-Za-z][A-Za-z0-9+-.]*\:|#|\/)/.test(linkUrl) ? linkUrl : _this.options.defaultProtocol + linkUrl;
+      }
+
+      var anchors = [];
+
+      if (isTextChanged) {
+        rng = rng.deleteContents();
+        var anchor = rng.insertNode(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<A>' + linkText + '</A>')[0]);
+        anchors.push(anchor);
+      } else {
+        anchors = _this.style.styleNodes(rng, {
+          nodeName: 'A',
+          expandClosestSibling: true,
+          onlyPartialContains: true
+        });
+      }
+
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(anchors, function (idx, anchor) {
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(anchor).attr('href', linkUrl);
+
+        if (isNewWindow) {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(anchor).attr('target', '_blank');
+        } else {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(anchor).removeAttr('target');
+        }
+      });
+
+      _this.setLastRange(_this.createRangeFromList(anchors).select());
+    });
+    /**
+     * setting color
+     *
+     * @param {Object} sObjColor  color code
+     * @param {String} sObjColor.foreColor foreground color
+     * @param {String} sObjColor.backColor background color
+     */
+
+    this.color = this.wrapCommand(function (colorInfo) {
+      var foreColor = colorInfo.foreColor;
+      var backColor = colorInfo.backColor;
+
+      if (foreColor) {
+        document.execCommand('foreColor', false, foreColor);
+      }
+
+      if (backColor) {
+        document.execCommand('backColor', false, backColor);
+      }
+    });
+    /**
+     * Set foreground color
+     *
+     * @param {String} colorCode foreground color code
+     */
+
+    this.foreColor = this.wrapCommand(function (colorInfo) {
+      document.execCommand('foreColor', false, colorInfo);
+    });
+    /**
+     * insert Table
+     *
+     * @param {String} dimension of table (ex : "5x5")
+     */
+
+    this.insertTable = this.wrapCommand(function (dim) {
+      var dimension = dim.split('x');
+
+      var rng = _this.getLastRange().deleteContents();
+
+      rng.insertNode(_this.table.createTable(dimension[0], dimension[1], _this.options));
+    });
+    /**
+     * remove media object and Figure Elements if media object is img with Figure.
+     */
+
+    this.removeMedia = this.wrapCommand(function () {
+      var $target = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(_this.restoreTarget()).parent();
+
+      if ($target.closest('figure').length) {
+        $target.closest('figure').remove();
+      } else {
+        $target = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(_this.restoreTarget()).detach();
+      }
+
+      _this.context.triggerEvent('media.delete', $target, _this.$editable);
+    });
+    /**
+     * float me
+     *
+     * @param {String} value
+     */
+
+    this.floatMe = this.wrapCommand(function (value) {
+      var $target = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(_this.restoreTarget());
+      $target.toggleClass('note-float-left', value === 'left');
+      $target.toggleClass('note-float-right', value === 'right');
+      $target.css('float', value === 'none' ? '' : value);
+    });
+    /**
+     * resize overlay element
+     * @param {String} value
+     */
+
+    this.resize = this.wrapCommand(function (value) {
+      var $target = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(_this.restoreTarget());
+      value = parseFloat(value);
+
+      if (value === 0) {
+        $target.css('width', '');
+      } else {
+        $target.css({
+          width: value * 100 + '%',
+          height: ''
+        });
+      }
+    });
+  }
+
+  Editor_createClass(Editor, [{
+    key: "initialize",
+    value: function initialize() {
+      var _this2 = this;
+
+      // bind custom events
+      this.$editable.on('keydown', function (event) {
+        if (event.keyCode === core_key.code.ENTER) {
+          _this2.context.triggerEvent('enter', event);
+        }
+
+        _this2.context.triggerEvent('keydown', event); // keep a snapshot to limit text on input event
+
+
+        _this2.snapshot = _this2.history.makeSnapshot();
+        _this2.hasKeyShortCut = false;
+
+        if (!event.isDefaultPrevented()) {
+          if (_this2.options.shortcuts) {
+            _this2.hasKeyShortCut = _this2.handleKeyMap(event);
+          } else {
+            _this2.preventDefaultEditableShortCuts(event);
+          }
+        }
+
+        if (_this2.isLimited(1, event)) {
+          var lastRange = _this2.getLastRange();
+
+          if (lastRange.eo - lastRange.so === 0) {
+            return false;
+          }
+        }
+
+        _this2.setLastRange(); // record undo in the key event except keyMap.
+
+
+        if (_this2.options.recordEveryKeystroke) {
+          if (_this2.hasKeyShortCut === false) {
+            _this2.history.recordUndo();
+          }
+        }
+      }).on('keyup', function (event) {
+        _this2.setLastRange();
+
+        _this2.context.triggerEvent('keyup', event);
+      }).on('focus', function (event) {
+        _this2.setLastRange();
+
+        _this2.context.triggerEvent('focus', event);
+      }).on('blur', function (event) {
+        _this2.context.triggerEvent('blur', event);
+      }).on('mousedown', function (event) {
+        _this2.context.triggerEvent('mousedown', event);
+      }).on('mouseup', function (event) {
+        _this2.setLastRange();
+
+        _this2.history.recordUndo();
+
+        _this2.context.triggerEvent('mouseup', event);
+      }).on('scroll', function (event) {
+        _this2.context.triggerEvent('scroll', event);
+      }).on('paste', function (event) {
+        _this2.setLastRange();
+
+        _this2.context.triggerEvent('paste', event);
+      }).on('input', function () {
+        // To limit composition characters (e.g. Korean)
+        if (_this2.isLimited(0) && _this2.snapshot) {
+          _this2.history.applySnapshot(_this2.snapshot);
+        }
+      });
+      this.$editable.attr('spellcheck', this.options.spellCheck);
+      this.$editable.attr('autocorrect', this.options.spellCheck);
+
+      if (this.options.disableGrammar) {
+        this.$editable.attr('data-gramm', false);
+      } // init content before set event
+
+
+      this.$editable.html(dom.html(this.$note) || dom.emptyPara);
+      this.$editable.on(env.inputEventName, func.debounce(function () {
+        _this2.context.triggerEvent('change', _this2.$editable.html(), _this2.$editable);
+      }, 10));
+      this.$editable.on('focusin', function (event) {
+        _this2.context.triggerEvent('focusin', event);
+      }).on('focusout', function (event) {
+        _this2.context.triggerEvent('focusout', event);
+      });
+
+      if (this.options.airMode) {
+        if (this.options.overrideContextMenu) {
+          this.$editor.on('contextmenu', function (event) {
+            _this2.context.triggerEvent('contextmenu', event);
+
+            return false;
+          });
+        }
+      } else {
+        if (this.options.width) {
+          this.$editor.outerWidth(this.options.width);
+        }
+
+        if (this.options.height) {
+          this.$editable.outerHeight(this.options.height);
+        }
+
+        if (this.options.maxHeight) {
+          this.$editable.css('max-height', this.options.maxHeight);
+        }
+
+        if (this.options.minHeight) {
+          this.$editable.css('min-height', this.options.minHeight);
+        }
+      }
+
+      this.history.recordUndo();
+      this.setLastRange();
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$editable.off();
+    }
+  }, {
+    key: "handleKeyMap",
+    value: function handleKeyMap(event) {
+      var keyMap = this.options.keyMap[env.isMac ? 'mac' : 'pc'];
+      var keys = [];
+
+      if (event.metaKey) {
+        keys.push('CMD');
+      }
+
+      if (event.ctrlKey && !event.altKey) {
+        keys.push('CTRL');
+      }
+
+      if (event.shiftKey) {
+        keys.push('SHIFT');
+      }
+
+      var keyName = core_key.nameFromCode[event.keyCode];
+
+      if (keyName) {
+        keys.push(keyName);
+      }
+
+      var eventName = keyMap[keys.join('+')];
+
+      if (keyName === 'TAB' && !this.options.tabDisable) {
+        this.afterCommand();
+      } else if (eventName) {
+        if (this.context.invoke(eventName) !== false) {
+          event.preventDefault(); // if keyMap action was invoked
+
+          return true;
+        }
+      } else if (core_key.isEdit(event.keyCode)) {
+        this.afterCommand();
+      }
+
+      return false;
+    }
+  }, {
+    key: "preventDefaultEditableShortCuts",
+    value: function preventDefaultEditableShortCuts(event) {
+      // B(Bold, 66) / I(Italic, 73) / U(Underline, 85)
+      if ((event.ctrlKey || event.metaKey) && lists.contains([66, 73, 85], event.keyCode)) {
+        event.preventDefault();
+      }
+    }
+  }, {
+    key: "isLimited",
+    value: function isLimited(pad, event) {
+      pad = pad || 0;
+
+      if (typeof event !== 'undefined') {
+        if (core_key.isMove(event.keyCode) || core_key.isNavigation(event.keyCode) || event.ctrlKey || event.metaKey || lists.contains([core_key.code.BACKSPACE, core_key.code.DELETE], event.keyCode)) {
+          return false;
+        }
+      }
+
+      if (this.options.maxTextLength > 0) {
+        if (this.$editable.text().length + pad > this.options.maxTextLength) {
+          return true;
+        }
+      }
+
+      return false;
+    }
+    /**
+     * create range
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "createRange",
+    value: function createRange() {
+      this.focus();
+      this.setLastRange();
+      return this.getLastRange();
+    }
+    /**
+     * create a new range from the list of elements
+     *
+     * @param {list} dom element list
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "createRangeFromList",
+    value: function createRangeFromList(lst) {
+      var startRange = range.createFromNodeBefore(lists.head(lst));
+      var startPoint = startRange.getStartPoint();
+      var endRange = range.createFromNodeAfter(lists.last(lst));
+      var endPoint = endRange.getEndPoint();
+      return range.create(startPoint.node, startPoint.offset, endPoint.node, endPoint.offset);
+    }
+    /**
+     * set the last range
+     *
+     * if given rng is exist, set rng as the last range
+     * or create a new range at the end of the document
+     *
+     * @param {WrappedRange} rng
+     */
+
+  }, {
+    key: "setLastRange",
+    value: function setLastRange(rng) {
+      if (rng) {
+        this.lastRange = rng;
+      } else {
+        this.lastRange = range.create(this.editable);
+
+        if (external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.lastRange.sc).closest('.note-editable').length === 0) {
+          this.lastRange = range.createFromBodyElement(this.editable);
+        }
+      }
+    }
+    /**
+     * get the last range
+     *
+     * if there is a saved last range, return it
+     * or create a new range and return it
+     *
+     * @return {WrappedRange}
+     */
+
+  }, {
+    key: "getLastRange",
+    value: function getLastRange() {
+      if (!this.lastRange) {
+        this.setLastRange();
+      }
+
+      return this.lastRange;
+    }
+    /**
+     * saveRange
+     *
+     * save current range
+     *
+     * @param {Boolean} [thenCollapse=false]
+     */
+
+  }, {
+    key: "saveRange",
+    value: function saveRange(thenCollapse) {
+      if (thenCollapse) {
+        this.getLastRange().collapse().select();
+      }
+    }
+    /**
+     * restoreRange
+     *
+     * restore lately range
+     */
+
+  }, {
+    key: "restoreRange",
+    value: function restoreRange() {
+      if (this.lastRange) {
+        this.lastRange.select();
+        this.focus();
+      }
+    }
+  }, {
+    key: "saveTarget",
+    value: function saveTarget(node) {
+      this.$editable.data('target', node);
+    }
+  }, {
+    key: "clearTarget",
+    value: function clearTarget() {
+      this.$editable.removeData('target');
+    }
+  }, {
+    key: "restoreTarget",
+    value: function restoreTarget() {
+      return this.$editable.data('target');
+    }
+    /**
+     * currentStyle
+     *
+     * current style
+     * @return {Object|Boolean} unfocus
+     */
+
+  }, {
+    key: "currentStyle",
+    value: function currentStyle() {
+      var rng = range.create();
+
+      if (rng) {
+        rng = rng.normalize();
+      }
+
+      return rng ? this.style.current(rng) : this.style.fromNode(this.$editable);
+    }
+    /**
+     * style from node
+     *
+     * @param {jQuery} $node
+     * @return {Object}
+     */
+
+  }, {
+    key: "styleFromNode",
+    value: function styleFromNode($node) {
+      return this.style.fromNode($node);
+    }
+    /**
+     * undo
+     */
+
+  }, {
+    key: "undo",
+    value: function undo() {
+      this.context.triggerEvent('before.command', this.$editable.html());
+      this.history.undo();
+      this.context.triggerEvent('change', this.$editable.html(), this.$editable);
+    }
+    /*
+    * commit
+    */
+
+  }, {
+    key: "commit",
+    value: function commit() {
+      this.context.triggerEvent('before.command', this.$editable.html());
+      this.history.commit();
+      this.context.triggerEvent('change', this.$editable.html(), this.$editable);
+    }
+    /**
+     * redo
+     */
+
+  }, {
+    key: "redo",
+    value: function redo() {
+      this.context.triggerEvent('before.command', this.$editable.html());
+      this.history.redo();
+      this.context.triggerEvent('change', this.$editable.html(), this.$editable);
+    }
+    /**
+     * before command
+     */
+
+  }, {
+    key: "beforeCommand",
+    value: function beforeCommand() {
+      this.context.triggerEvent('before.command', this.$editable.html()); // Set styleWithCSS before run a command
+
+      document.execCommand('styleWithCSS', false, this.options.styleWithCSS); // keep focus on editable before command execution
+
+      this.focus();
+    }
+    /**
+     * after command
+     * @param {Boolean} isPreventTrigger
+     */
+
+  }, {
+    key: "afterCommand",
+    value: function afterCommand(isPreventTrigger) {
+      this.normalizeContent();
+      this.history.recordUndo();
+
+      if (!isPreventTrigger) {
+        this.context.triggerEvent('change', this.$editable.html(), this.$editable);
+      }
+    }
+    /**
+     * handle tab key
+     */
+
+  }, {
+    key: "tab",
+    value: function tab() {
+      var rng = this.getLastRange();
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.table.tab(rng);
+      } else {
+        if (this.options.tabSize === 0) {
+          return false;
+        }
+
+        if (!this.isLimited(this.options.tabSize)) {
+          this.beforeCommand();
+          this.typing.insertTab(rng, this.options.tabSize);
+          this.afterCommand();
+        }
+      }
+    }
+    /**
+     * handle shift+tab key
+     */
+
+  }, {
+    key: "untab",
+    value: function untab() {
+      var rng = this.getLastRange();
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.table.tab(rng, true);
+      } else {
+        if (this.options.tabSize === 0) {
+          return false;
+        }
+      }
+    }
+    /**
+     * run given function between beforeCommand and afterCommand
+     */
+
+  }, {
+    key: "wrapCommand",
+    value: function wrapCommand(fn) {
+      return function () {
+        this.beforeCommand();
+        fn.apply(this, arguments);
+        this.afterCommand();
+      };
+    }
+    /**
+     * insert image
+     *
+     * @param {String} src
+     * @param {String|Function} param
+     * @return {Promise}
+     */
+
+  }, {
+    key: "insertImage",
+    value: function insertImage(src, param) {
+      var _this3 = this;
+
+      return createImage(src, param).then(function ($image) {
+        _this3.beforeCommand();
+
+        if (typeof param === 'function') {
+          param($image);
+        } else {
+          if (typeof param === 'string') {
+            $image.attr('data-filename', param);
+          }
+
+          $image.css('width', Math.min(_this3.$editable.width(), $image.width()));
+        }
+
+        $image.show();
+
+        _this3.getLastRange().insertNode($image[0]);
+
+        _this3.setLastRange(range.createFromNodeAfter($image[0]).select());
+
+        _this3.afterCommand();
+      }).fail(function (e) {
+        _this3.context.triggerEvent('image.upload.error', e);
+      });
+    }
+    /**
+     * insertImages
+     * @param {File[]} files
+     */
+
+  }, {
+    key: "insertImagesAsDataURL",
+    value: function insertImagesAsDataURL(files) {
+      var _this4 = this;
+
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(files, function (idx, file) {
+        var filename = file.name;
+
+        if (_this4.options.maximumImageFileSize && _this4.options.maximumImageFileSize < file.size) {
+          _this4.context.triggerEvent('image.upload.error', _this4.lang.image.maximumFileSizeError);
+        } else {
+          readFileAsDataURL(file).then(function (dataURL) {
+            return _this4.insertImage(dataURL, filename);
+          }).fail(function () {
+            _this4.context.triggerEvent('image.upload.error');
+          });
+        }
+      });
+    }
+    /**
+     * insertImagesOrCallback
+     * @param {File[]} files
+     */
+
+  }, {
+    key: "insertImagesOrCallback",
+    value: function insertImagesOrCallback(files) {
+      var callbacks = this.options.callbacks; // If onImageUpload set,
+
+      if (callbacks.onImageUpload) {
+        this.context.triggerEvent('image.upload', files); // else insert Image as dataURL
+      } else {
+        this.insertImagesAsDataURL(files);
+      }
+    }
+    /**
+     * return selected plain text
+     * @return {String} text
+     */
+
+  }, {
+    key: "getSelectedText",
+    value: function getSelectedText() {
+      var rng = this.getLastRange(); // if range on anchor, expand range with anchor
+
+      if (rng.isOnAnchor()) {
+        rng = range.createFromNode(dom.ancestor(rng.sc, dom.isAnchor));
+      }
+
+      return rng.toString();
+    }
+  }, {
+    key: "onFormatBlock",
+    value: function onFormatBlock(tagName, $target) {
+      // [workaround] for MSIE, IE need `<`
+      document.execCommand('FormatBlock', false, env.isMSIE ? '<' + tagName + '>' : tagName); // support custom class
+
+      if ($target && $target.length) {
+        // find the exact element has given tagName
+        if ($target[0].tagName.toUpperCase() !== tagName.toUpperCase()) {
+          $target = $target.find(tagName);
+        }
+
+        if ($target && $target.length) {
+          var className = $target[0].className || '';
+
+          if (className) {
+            var currentRange = this.createRange();
+            var $parent = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()([currentRange.sc, currentRange.ec]).closest(tagName);
+            $parent.addClass(className);
+          }
+        }
+      }
+    }
+  }, {
+    key: "formatPara",
+    value: function formatPara() {
+      this.formatBlock('P');
+    }
+  }, {
+    key: "fontStyling",
+    value: function fontStyling(target, value) {
+      var rng = this.getLastRange();
+
+      if (rng !== '') {
+        var spans = this.style.styleNodes(rng);
+        this.$editor.find('.note-status-output').html('');
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(spans).css(target, value); // [workaround] added styled bogus span for style
+        //  - also bogus character needed for cursor position
+
+        if (rng.isCollapsed()) {
+          var firstSpan = lists.head(spans);
+
+          if (firstSpan && !dom.nodeLength(firstSpan)) {
+            firstSpan.innerHTML = dom.ZERO_WIDTH_NBSP_CHAR;
+            range.createFromNode(firstSpan.firstChild).select();
+            this.setLastRange();
+            this.$editable.data(KEY_BOGUS, firstSpan);
+          }
+        } else {
+          this.setLastRange(this.createRangeFromList(spans).select());
+        }
+      } else {
+        var noteStatusOutput = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.now();
+        this.$editor.find('.note-status-output').html('<div id="note-status-output-' + noteStatusOutput + '" class="alert alert-info">' + this.lang.output.noSelection + '</div>');
+        setTimeout(function () {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('#note-status-output-' + noteStatusOutput).remove();
+        }, 5000);
+      }
+    }
+    /**
+     * unlink
+     *
+     * @type command
+     */
+
+  }, {
+    key: "unlink",
+    value: function unlink() {
+      var rng = this.getLastRange();
+
+      if (rng.isOnAnchor()) {
+        var anchor = dom.ancestor(rng.sc, dom.isAnchor);
+        rng = range.createFromNode(anchor);
+        rng.select();
+        this.setLastRange();
+        this.beforeCommand();
+        document.execCommand('unlink');
+        this.afterCommand();
+      }
+    }
+    /**
+     * returns link info
+     *
+     * @return {Object}
+     * @return {WrappedRange} return.range
+     * @return {String} return.text
+     * @return {Boolean} [return.isNewWindow=true]
+     * @return {String} [return.url=""]
+     */
+
+  }, {
+    key: "getLinkInfo",
+    value: function getLinkInfo() {
+      var rng = this.getLastRange().expand(dom.isAnchor); // Get the first anchor on range(for edit).
+
+      var $anchor = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(lists.head(rng.nodes(dom.isAnchor)));
+      var linkInfo = {
+        range: rng,
+        text: rng.toString(),
+        url: $anchor.length ? $anchor.attr('href') : ''
+      }; // When anchor exists,
+
+      if ($anchor.length) {
+        // Set isNewWindow by checking its target.
+        linkInfo.isNewWindow = $anchor.attr('target') === '_blank';
+      }
+
+      return linkInfo;
+    }
+  }, {
+    key: "addRow",
+    value: function addRow(position) {
+      var rng = this.getLastRange(this.$editable);
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.beforeCommand();
+        this.table.addRow(rng, position);
+        this.afterCommand();
+      }
+    }
+  }, {
+    key: "addCol",
+    value: function addCol(position) {
+      var rng = this.getLastRange(this.$editable);
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.beforeCommand();
+        this.table.addCol(rng, position);
+        this.afterCommand();
+      }
+    }
+  }, {
+    key: "deleteRow",
+    value: function deleteRow() {
+      var rng = this.getLastRange(this.$editable);
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.beforeCommand();
+        this.table.deleteRow(rng);
+        this.afterCommand();
+      }
+    }
+  }, {
+    key: "deleteCol",
+    value: function deleteCol() {
+      var rng = this.getLastRange(this.$editable);
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.beforeCommand();
+        this.table.deleteCol(rng);
+        this.afterCommand();
+      }
+    }
+  }, {
+    key: "deleteTable",
+    value: function deleteTable() {
+      var rng = this.getLastRange(this.$editable);
+
+      if (rng.isCollapsed() && rng.isOnCell()) {
+        this.beforeCommand();
+        this.table.deleteTable(rng);
+        this.afterCommand();
+      }
+    }
+    /**
+     * @param {Position} pos
+     * @param {jQuery} $target - target element
+     * @param {Boolean} [bKeepRatio] - keep ratio
+     */
+
+  }, {
+    key: "resizeTo",
+    value: function resizeTo(pos, $target, bKeepRatio) {
+      var imageSize;
+
+      if (bKeepRatio) {
+        var newRatio = pos.y / pos.x;
+        var ratio = $target.data('ratio');
+        imageSize = {
+          width: ratio > newRatio ? pos.x : pos.y / ratio,
+          height: ratio > newRatio ? pos.x * ratio : pos.y
+        };
+      } else {
+        imageSize = {
+          width: pos.x,
+          height: pos.y
+        };
+      }
+
+      $target.css(imageSize);
+    }
+    /**
+     * returns whether editable area has focus or not.
+     */
+
+  }, {
+    key: "hasFocus",
+    value: function hasFocus() {
+      return this.$editable.is(':focus');
+    }
+    /**
+     * set focus
+     */
+
+  }, {
+    key: "focus",
+    value: function focus() {
+      // [workaround] Screen will move when page is scolled in IE.
+      //  - do focus when not focused
+      if (!this.hasFocus()) {
+        this.$editable.focus();
+      }
+    }
+    /**
+     * returns whether contents is empty or not.
+     * @return {Boolean}
+     */
+
+  }, {
+    key: "isEmpty",
+    value: function isEmpty() {
+      return dom.isEmpty(this.$editable[0]) || dom.emptyPara === this.$editable.html();
+    }
+    /**
+     * Removes all contents and restores the editable instance to an _emptyPara_.
+     */
+
+  }, {
+    key: "empty",
+    value: function empty() {
+      this.context.invoke('code', dom.emptyPara);
+    }
+    /**
+     * normalize content
+     */
+
+  }, {
+    key: "normalizeContent",
+    value: function normalizeContent() {
+      this.$editable[0].normalize();
+    }
+  }]);
+
+  return Editor;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Clipboard.js
+function Clipboard_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Clipboard_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Clipboard_createClass(Constructor, protoProps, staticProps) { if (protoProps) Clipboard_defineProperties(Constructor.prototype, protoProps); if (staticProps) Clipboard_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Clipboard_Clipboard = /*#__PURE__*/function () {
+  function Clipboard(context) {
+    Clipboard_classCallCheck(this, Clipboard);
+
+    this.context = context;
+    this.$editable = context.layoutInfo.editable;
+  }
+
+  Clipboard_createClass(Clipboard, [{
+    key: "initialize",
+    value: function initialize() {
+      this.$editable.on('paste', this.pasteByEvent.bind(this));
+    }
+    /**
+     * paste by clipboard event
+     *
+     * @param {Event} event
+     */
+
+  }, {
+    key: "pasteByEvent",
+    value: function pasteByEvent(event) {
+      var _this = this;
+
+      var clipboardData = event.originalEvent.clipboardData;
+
+      if (clipboardData && clipboardData.items && clipboardData.items.length) {
+        var item = clipboardData.items.length > 1 ? clipboardData.items[1] : lists.head(clipboardData.items);
+
+        if (item.kind === 'file' && item.type.indexOf('image/') !== -1) {
+          // paste img file
+          this.context.invoke('editor.insertImagesOrCallback', [item.getAsFile()]);
+          event.preventDefault();
+        } else if (item.kind === 'string') {
+          // paste text with maxTextLength check
+          if (this.context.invoke('editor.isLimited', clipboardData.getData('Text').length)) {
+            event.preventDefault();
+          }
+        }
+      } else if (window.clipboardData) {
+        // for IE
+        var text = window.clipboardData.getData('text');
+
+        if (this.context.invoke('editor.isLimited', text.length)) {
+          event.preventDefault();
+        }
+      } // Call editor.afterCommand after proceeding default event handler
+
+
+      setTimeout(function () {
+        _this.context.invoke('editor.afterCommand');
+      }, 10);
+    }
+  }]);
+
+  return Clipboard;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Dropzone.js
+function Dropzone_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Dropzone_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Dropzone_createClass(Constructor, protoProps, staticProps) { if (protoProps) Dropzone_defineProperties(Constructor.prototype, protoProps); if (staticProps) Dropzone_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Dropzone_Dropzone = /*#__PURE__*/function () {
+  function Dropzone(context) {
+    Dropzone_classCallCheck(this, Dropzone);
+
+    this.context = context;
+    this.$eventListener = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document);
+    this.$editor = context.layoutInfo.editor;
+    this.$editable = context.layoutInfo.editable;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+    this.documentEventHandlers = {};
+    this.$dropzone = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(['<div class="note-dropzone">', '<div class="note-dropzone-message"></div>', '</div>'].join('')).prependTo(this.$editor);
+  }
+  /**
+   * attach Drag and Drop Events
+   */
+
+
+  Dropzone_createClass(Dropzone, [{
+    key: "initialize",
+    value: function initialize() {
+      if (this.options.disableDragAndDrop) {
+        // prevent default drop event
+        this.documentEventHandlers.onDrop = function (e) {
+          e.preventDefault();
+        }; // do not consider outside of dropzone
+
+
+        this.$eventListener = this.$dropzone;
+        this.$eventListener.on('drop', this.documentEventHandlers.onDrop);
+      } else {
+        this.attachDragAndDropEvent();
+      }
+    }
+    /**
+     * attach Drag and Drop Events
+     */
+
+  }, {
+    key: "attachDragAndDropEvent",
+    value: function attachDragAndDropEvent() {
+      var _this = this;
+
+      var collection = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()();
+      var $dropzoneMessage = this.$dropzone.find('.note-dropzone-message');
+
+      this.documentEventHandlers.onDragenter = function (e) {
+        var isCodeview = _this.context.invoke('codeview.isActivated');
+
+        var hasEditorSize = _this.$editor.width() > 0 && _this.$editor.height() > 0;
+
+        if (!isCodeview && !collection.length && hasEditorSize) {
+          _this.$editor.addClass('dragover');
+
+          _this.$dropzone.width(_this.$editor.width());
+
+          _this.$dropzone.height(_this.$editor.height());
+
+          $dropzoneMessage.text(_this.lang.image.dragImageHere);
+        }
+
+        collection = collection.add(e.target);
+      };
+
+      this.documentEventHandlers.onDragleave = function (e) {
+        collection = collection.not(e.target); // If nodeName is BODY, then just make it over (fix for IE)
+
+        if (!collection.length || e.target.nodeName === 'BODY') {
+          collection = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()();
+
+          _this.$editor.removeClass('dragover');
+        }
+      };
+
+      this.documentEventHandlers.onDrop = function () {
+        collection = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()();
+
+        _this.$editor.removeClass('dragover');
+      }; // show dropzone on dragenter when dragging a object to document
+      // -but only if the editor is visible, i.e. has a positive width and height
+
+
+      this.$eventListener.on('dragenter', this.documentEventHandlers.onDragenter).on('dragleave', this.documentEventHandlers.onDragleave).on('drop', this.documentEventHandlers.onDrop); // change dropzone's message on hover.
+
+      this.$dropzone.on('dragenter', function () {
+        _this.$dropzone.addClass('hover');
+
+        $dropzoneMessage.text(_this.lang.image.dropImage);
+      }).on('dragleave', function () {
+        _this.$dropzone.removeClass('hover');
+
+        $dropzoneMessage.text(_this.lang.image.dragImageHere);
+      }); // attach dropImage
+
+      this.$dropzone.on('drop', function (event) {
+        var dataTransfer = event.originalEvent.dataTransfer; // stop the browser from opening the dropped content
+
+        event.preventDefault();
+
+        if (dataTransfer && dataTransfer.files && dataTransfer.files.length) {
+          _this.$editable.focus();
+
+          _this.context.invoke('editor.insertImagesOrCallback', dataTransfer.files);
+        } else {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(dataTransfer.types, function (idx, type) {
+            // skip moz-specific types
+            if (type.toLowerCase().indexOf('_moz_') > -1) {
+              return;
+            }
+
+            var content = dataTransfer.getData(type);
+
+            if (type.toLowerCase().indexOf('text') > -1) {
+              _this.context.invoke('editor.pasteHTML', content);
+            } else {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(content).each(function (idx, item) {
+                _this.context.invoke('editor.insertNode', item);
+              });
+            }
+          });
+        }
+      }).on('dragover', false); // prevent default dragover event
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      var _this2 = this;
+
+      Object.keys(this.documentEventHandlers).forEach(function (key) {
+        _this2.$eventListener.off(key.substr(2).toLowerCase(), _this2.documentEventHandlers[key]);
+      });
+      this.documentEventHandlers = {};
+    }
+  }]);
+
+  return Dropzone;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Codeview.js
+function _createForOfIteratorHelper(o) { if (typeof Symbol === "undefined" || o[Symbol.iterator] == null) { if (Array.isArray(o) || (o = _unsupportedIterableToArray(o))) { var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var it, normalCompletion = true, didErr = false, err; return { s: function s() { it = o[Symbol.iterator](); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it["return"] != null) it["return"](); } finally { if (didErr) throw err; } } }; }
+
+function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(n); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
+
+function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
+
+function Codeview_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Codeview_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Codeview_createClass(Constructor, protoProps, staticProps) { if (protoProps) Codeview_defineProperties(Constructor.prototype, protoProps); if (staticProps) Codeview_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+/**
+ * @class Codeview
+ */
+
+var Codeview_CodeView = /*#__PURE__*/function () {
+  function CodeView(context) {
+    Codeview_classCallCheck(this, CodeView);
+
+    this.context = context;
+    this.$editor = context.layoutInfo.editor;
+    this.$editable = context.layoutInfo.editable;
+    this.$codable = context.layoutInfo.codable;
+    this.options = context.options;
+    this.CodeMirrorConstructor = window.CodeMirror;
+
+    if (this.options.codemirror.CodeMirrorConstructor) {
+      this.CodeMirrorConstructor = this.options.codemirror.CodeMirrorConstructor;
+    }
+  }
+
+  Codeview_createClass(CodeView, [{
+    key: "sync",
+    value: function sync(html) {
+      var isCodeview = this.isActivated();
+      var CodeMirror = this.CodeMirrorConstructor;
+
+      if (isCodeview) {
+        if (html) {
+          if (CodeMirror) {
+            this.$codable.data('cmEditor').getDoc().setValue(html);
+          } else {
+            this.$codable.val(html);
+          }
+        } else {
+          if (CodeMirror) {
+            this.$codable.data('cmEditor').save();
+          }
+        }
+      }
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      var _this = this;
+
+      this.$codable.on('keyup', function (event) {
+        if (event.keyCode === core_key.code.ESCAPE) {
+          _this.deactivate();
+        }
+      });
+    }
+    /**
+     * @return {Boolean}
+     */
+
+  }, {
+    key: "isActivated",
+    value: function isActivated() {
+      return this.$editor.hasClass('codeview');
+    }
+    /**
+     * toggle codeview
+     */
+
+  }, {
+    key: "toggle",
+    value: function toggle() {
+      if (this.isActivated()) {
+        this.deactivate();
+      } else {
+        this.activate();
+      }
+
+      this.context.triggerEvent('codeview.toggled');
+    }
+    /**
+     * purify input value
+     * @param value
+     * @returns {*}
+     */
+
+  }, {
+    key: "purify",
+    value: function purify(value) {
+      if (this.options.codeviewFilter) {
+        // filter code view regex
+        value = value.replace(this.options.codeviewFilterRegex, ''); // allow specific iframe tag
+
+        if (this.options.codeviewIframeFilter) {
+          var whitelist = this.options.codeviewIframeWhitelistSrc.concat(this.options.codeviewIframeWhitelistSrcBase);
+          value = value.replace(/(<iframe.*?>.*?(?:<\/iframe>)?)/gi, function (tag) {
+            // remove if src attribute is duplicated
+            if (/<.+src(?==?('|"|\s)?)[\s\S]+src(?=('|"|\s)?)[^>]*?>/i.test(tag)) {
+              return '';
+            }
+
+            var _iterator = _createForOfIteratorHelper(whitelist),
+                _step;
+
+            try {
+              for (_iterator.s(); !(_step = _iterator.n()).done;) {
+                var src = _step.value;
+
+                // pass if src is trusted
+                if (new RegExp('src="(https?:)?\/\/' + src.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&') + '\/(.+)"').test(tag)) {
+                  return tag;
+                }
+              }
+            } catch (err) {
+              _iterator.e(err);
+            } finally {
+              _iterator.f();
+            }
+
+            return '';
+          });
+        }
+      }
+
+      return value;
+    }
+    /**
+     * activate code view
+     */
+
+  }, {
+    key: "activate",
+    value: function activate() {
+      var _this2 = this;
+
+      var CodeMirror = this.CodeMirrorConstructor;
+      this.$codable.val(dom.html(this.$editable, this.options.prettifyHtml));
+      this.$codable.height(this.$editable.height());
+      this.context.invoke('toolbar.updateCodeview', true);
+      this.context.invoke('airPopover.updateCodeview', true);
+      this.$editor.addClass('codeview');
+      this.$codable.focus(); // activate CodeMirror as codable
+
+      if (CodeMirror) {
+        var cmEditor = CodeMirror.fromTextArea(this.$codable[0], this.options.codemirror); // CodeMirror TernServer
+
+        if (this.options.codemirror.tern) {
+          var server = new CodeMirror.TernServer(this.options.codemirror.tern);
+          cmEditor.ternServer = server;
+          cmEditor.on('cursorActivity', function (cm) {
+            server.updateArgHints(cm);
+          });
+        }
+
+        cmEditor.on('blur', function (event) {
+          _this2.context.triggerEvent('blur.codeview', cmEditor.getValue(), event);
+        });
+        cmEditor.on('change', function () {
+          _this2.context.triggerEvent('change.codeview', cmEditor.getValue(), cmEditor);
+        }); // CodeMirror hasn't Padding.
+
+        cmEditor.setSize(null, this.$editable.outerHeight());
+        this.$codable.data('cmEditor', cmEditor);
+      } else {
+        this.$codable.on('blur', function (event) {
+          _this2.context.triggerEvent('blur.codeview', _this2.$codable.val(), event);
+        });
+        this.$codable.on('input', function () {
+          _this2.context.triggerEvent('change.codeview', _this2.$codable.val(), _this2.$codable);
+        });
+      }
+    }
+    /**
+     * deactivate code view
+     */
+
+  }, {
+    key: "deactivate",
+    value: function deactivate() {
+      var CodeMirror = this.CodeMirrorConstructor; // deactivate CodeMirror as codable
+
+      if (CodeMirror) {
+        var cmEditor = this.$codable.data('cmEditor');
+        this.$codable.val(cmEditor.getValue());
+        cmEditor.toTextArea();
+      }
+
+      var value = this.purify(dom.value(this.$codable, this.options.prettifyHtml) || dom.emptyPara);
+      var isChange = this.$editable.html() !== value;
+      this.$editable.html(value);
+      this.$editable.height(this.options.height ? this.$codable.height() : 'auto');
+      this.$editor.removeClass('codeview');
+
+      if (isChange) {
+        this.context.triggerEvent('change', this.$editable.html(), this.$editable);
+      }
+
+      this.$editable.focus();
+      this.context.invoke('toolbar.updateCodeview', false);
+      this.context.invoke('airPopover.updateCodeview', false);
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      if (this.isActivated()) {
+        this.deactivate();
+      }
+    }
+  }]);
+
+  return CodeView;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Statusbar.js
+function Statusbar_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Statusbar_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Statusbar_createClass(Constructor, protoProps, staticProps) { if (protoProps) Statusbar_defineProperties(Constructor.prototype, protoProps); if (staticProps) Statusbar_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+var EDITABLE_PADDING = 24;
+
+var Statusbar_Statusbar = /*#__PURE__*/function () {
+  function Statusbar(context) {
+    Statusbar_classCallCheck(this, Statusbar);
+
+    this.$document = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document);
+    this.$statusbar = context.layoutInfo.statusbar;
+    this.$editable = context.layoutInfo.editable;
+    this.options = context.options;
+  }
+
+  Statusbar_createClass(Statusbar, [{
+    key: "initialize",
+    value: function initialize() {
+      var _this = this;
+
+      if (this.options.airMode || this.options.disableResizeEditor) {
+        this.destroy();
+        return;
+      }
+
+      this.$statusbar.on('mousedown', function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+
+        var editableTop = _this.$editable.offset().top - _this.$document.scrollTop();
+
+        var onMouseMove = function onMouseMove(event) {
+          var height = event.clientY - (editableTop + EDITABLE_PADDING);
+          height = _this.options.minheight > 0 ? Math.max(height, _this.options.minheight) : height;
+          height = _this.options.maxHeight > 0 ? Math.min(height, _this.options.maxHeight) : height;
+
+          _this.$editable.height(height);
+        };
+
+        _this.$document.on('mousemove', onMouseMove).one('mouseup', function () {
+          _this.$document.off('mousemove', onMouseMove);
+        });
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$statusbar.off();
+      this.$statusbar.addClass('locked');
+    }
+  }]);
+
+  return Statusbar;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Fullscreen.js
+function Fullscreen_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Fullscreen_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Fullscreen_createClass(Constructor, protoProps, staticProps) { if (protoProps) Fullscreen_defineProperties(Constructor.prototype, protoProps); if (staticProps) Fullscreen_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Fullscreen_Fullscreen = /*#__PURE__*/function () {
+  function Fullscreen(context) {
+    var _this = this;
+
+    Fullscreen_classCallCheck(this, Fullscreen);
+
+    this.context = context;
+    this.$editor = context.layoutInfo.editor;
+    this.$toolbar = context.layoutInfo.toolbar;
+    this.$editable = context.layoutInfo.editable;
+    this.$codable = context.layoutInfo.codable;
+    this.$window = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(window);
+    this.$scrollbar = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('html, body');
+
+    this.onResize = function () {
+      _this.resizeTo({
+        h: _this.$window.height() - _this.$toolbar.outerHeight()
+      });
+    };
+  }
+
+  Fullscreen_createClass(Fullscreen, [{
+    key: "resizeTo",
+    value: function resizeTo(size) {
+      this.$editable.css('height', size.h);
+      this.$codable.css('height', size.h);
+
+      if (this.$codable.data('cmeditor')) {
+        this.$codable.data('cmeditor').setsize(null, size.h);
+      }
+    }
+    /**
+     * toggle fullscreen
+     */
+
+  }, {
+    key: "toggle",
+    value: function toggle() {
+      this.$editor.toggleClass('fullscreen');
+
+      if (this.isFullscreen()) {
+        this.$editable.data('orgHeight', this.$editable.css('height'));
+        this.$editable.data('orgMaxHeight', this.$editable.css('maxHeight'));
+        this.$editable.css('maxHeight', '');
+        this.$window.on('resize', this.onResize).trigger('resize');
+        this.$scrollbar.css('overflow', 'hidden');
+      } else {
+        this.$window.off('resize', this.onResize);
+        this.resizeTo({
+          h: this.$editable.data('orgHeight')
+        });
+        this.$editable.css('maxHeight', this.$editable.css('orgMaxHeight'));
+        this.$scrollbar.css('overflow', 'visible');
+      }
+
+      this.context.invoke('toolbar.updateFullscreen', this.isFullscreen());
+    }
+  }, {
+    key: "isFullscreen",
+    value: function isFullscreen() {
+      return this.$editor.hasClass('fullscreen');
+    }
+  }]);
+
+  return Fullscreen;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Handle.js
+function Handle_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Handle_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Handle_createClass(Constructor, protoProps, staticProps) { if (protoProps) Handle_defineProperties(Constructor.prototype, protoProps); if (staticProps) Handle_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+var Handle_Handle = /*#__PURE__*/function () {
+  function Handle(context) {
+    var _this = this;
+
+    Handle_classCallCheck(this, Handle);
+
+    this.context = context;
+    this.$document = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document);
+    this.$editingArea = context.layoutInfo.editingArea;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+    this.events = {
+      'summernote.mousedown': function summernoteMousedown(we, e) {
+        if (_this.update(e.target, e)) {
+          e.preventDefault();
+        }
+      },
+      'summernote.keyup summernote.scroll summernote.change summernote.dialog.shown': function summernoteKeyupSummernoteScrollSummernoteChangeSummernoteDialogShown() {
+        _this.update();
+      },
+      'summernote.disable summernote.blur': function summernoteDisableSummernoteBlur() {
+        _this.hide();
+      },
+      'summernote.codeview.toggled': function summernoteCodeviewToggled() {
+        _this.update();
+      }
+    };
+  }
+
+  Handle_createClass(Handle, [{
+    key: "initialize",
+    value: function initialize() {
+      var _this2 = this;
+
+      this.$handle = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(['<div class="note-handle">', '<div class="note-control-selection">', '<div class="note-control-selection-bg"></div>', '<div class="note-control-holder note-control-nw"></div>', '<div class="note-control-holder note-control-ne"></div>', '<div class="note-control-holder note-control-sw"></div>', '<div class="', this.options.disableResizeImage ? 'note-control-holder' : 'note-control-sizing', ' note-control-se"></div>', this.options.disableResizeImage ? '' : '<div class="note-control-selection-info"></div>', '</div>', '</div>'].join('')).prependTo(this.$editingArea);
+      this.$handle.on('mousedown', function (event) {
+        if (dom.isControlSizing(event.target)) {
+          event.preventDefault();
+          event.stopPropagation();
+
+          var $target = _this2.$handle.find('.note-control-selection').data('target');
+
+          var posStart = $target.offset();
+
+          var scrollTop = _this2.$document.scrollTop();
+
+          var onMouseMove = function onMouseMove(event) {
+            _this2.context.invoke('editor.resizeTo', {
+              x: event.clientX - posStart.left,
+              y: event.clientY - (posStart.top - scrollTop)
+            }, $target, !event.shiftKey);
+
+            _this2.update($target[0], event);
+          };
+
+          _this2.$document.on('mousemove', onMouseMove).one('mouseup', function (e) {
+            e.preventDefault();
+
+            _this2.$document.off('mousemove', onMouseMove);
+
+            _this2.context.invoke('editor.afterCommand');
+          });
+
+          if (!$target.data('ratio')) {
+            // original ratio.
+            $target.data('ratio', $target.height() / $target.width());
+          }
+        }
+      }); // Listen for scrolling on the handle overlay.
+
+      this.$handle.on('wheel', function (e) {
+        e.preventDefault();
+
+        _this2.update();
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$handle.remove();
+    }
+  }, {
+    key: "update",
+    value: function update(target, event) {
+      if (this.context.isDisabled()) {
+        return false;
+      }
+
+      var isImage = dom.isImg(target);
+      var $selection = this.$handle.find('.note-control-selection');
+      this.context.invoke('imagePopover.update', target, event);
+
+      if (isImage) {
+        var $image = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(target);
+        var position = $image.position();
+        var pos = {
+          left: position.left + parseInt($image.css('marginLeft'), 10),
+          top: position.top + parseInt($image.css('marginTop'), 10)
+        }; // exclude margin
+
+        var imageSize = {
+          w: $image.outerWidth(false),
+          h: $image.outerHeight(false)
+        };
+        $selection.css({
+          display: 'block',
+          left: pos.left,
+          top: pos.top,
+          width: imageSize.w,
+          height: imageSize.h
+        }).data('target', $image); // save current image element.
+
+        var origImageObj = new Image();
+        origImageObj.src = $image.attr('src');
+        var sizingText = imageSize.w + 'x' + imageSize.h + ' (' + this.lang.image.original + ': ' + origImageObj.width + 'x' + origImageObj.height + ')';
+        $selection.find('.note-control-selection-info').text(sizingText);
+        this.context.invoke('editor.saveTarget', target);
+      } else {
+        this.hide();
+      }
+
+      return isImage;
+    }
+    /**
+     * hide
+     *
+     * @param {jQuery} $handle
+     */
+
+  }, {
+    key: "hide",
+    value: function hide() {
+      this.context.invoke('editor.clearTarget');
+      this.$handle.children().hide();
+    }
+  }]);
+
+  return Handle;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/AutoLink.js
+function AutoLink_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function AutoLink_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function AutoLink_createClass(Constructor, protoProps, staticProps) { if (protoProps) AutoLink_defineProperties(Constructor.prototype, protoProps); if (staticProps) AutoLink_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+var defaultScheme = 'http://';
+var linkPattern = /^([A-Za-z][A-Za-z0-9+-.]*\:[\/]{2}|tel:|mailto:[A-Z0-9._%+-]+@)?(www\.)?(.+)$/i;
+
+var AutoLink_AutoLink = /*#__PURE__*/function () {
+  function AutoLink(context) {
+    var _this = this;
+
+    AutoLink_classCallCheck(this, AutoLink);
+
+    this.context = context;
+    this.options = context.options;
+    this.events = {
+      'summernote.keyup': function summernoteKeyup(we, e) {
+        if (!e.isDefaultPrevented()) {
+          _this.handleKeyup(e);
+        }
+      },
+      'summernote.keydown': function summernoteKeydown(we, e) {
+        _this.handleKeydown(e);
+      }
+    };
+  }
+
+  AutoLink_createClass(AutoLink, [{
+    key: "initialize",
+    value: function initialize() {
+      this.lastWordRange = null;
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.lastWordRange = null;
+    }
+  }, {
+    key: "replace",
+    value: function replace() {
+      if (!this.lastWordRange) {
+        return;
+      }
+
+      var keyword = this.lastWordRange.toString();
+      var match = keyword.match(linkPattern);
+
+      if (match && (match[1] || match[2])) {
+        var link = match[1] ? keyword : defaultScheme + keyword;
+        var urlText = this.options.showDomainOnlyForAutolink ? keyword.replace(/^(?:https?:\/\/)?(?:tel?:?)?(?:mailto?:?)?(?:www\.)?/i, '').split('/')[0] : keyword;
+        var node = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<a />').html(urlText).attr('href', link)[0];
+
+        if (this.context.options.linkTargetBlank) {
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(node).attr('target', '_blank');
+        }
+
+        this.lastWordRange.insertNode(node);
+        this.lastWordRange = null;
+        this.context.invoke('editor.focus');
+      }
+    }
+  }, {
+    key: "handleKeydown",
+    value: function handleKeydown(e) {
+      if (lists.contains([core_key.code.ENTER, core_key.code.SPACE], e.keyCode)) {
+        var wordRange = this.context.invoke('editor.createRange').getWordRange();
+        this.lastWordRange = wordRange;
+      }
+    }
+  }, {
+    key: "handleKeyup",
+    value: function handleKeyup(e) {
+      if (lists.contains([core_key.code.ENTER, core_key.code.SPACE], e.keyCode)) {
+        this.replace();
+      }
+    }
+  }]);
+
+  return AutoLink;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/AutoSync.js
+function AutoSync_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function AutoSync_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function AutoSync_createClass(Constructor, protoProps, staticProps) { if (protoProps) AutoSync_defineProperties(Constructor.prototype, protoProps); if (staticProps) AutoSync_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+/**
+ * textarea auto sync.
+ */
+
+var AutoSync_AutoSync = /*#__PURE__*/function () {
+  function AutoSync(context) {
+    var _this = this;
+
+    AutoSync_classCallCheck(this, AutoSync);
+
+    this.$note = context.layoutInfo.note;
+    this.events = {
+      'summernote.change': function summernoteChange() {
+        _this.$note.val(context.invoke('code'));
+      }
+    };
+  }
+
+  AutoSync_createClass(AutoSync, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return dom.isTextarea(this.$note[0]);
+    }
+  }]);
+
+  return AutoSync;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/AutoReplace.js
+function AutoReplace_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function AutoReplace_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function AutoReplace_createClass(Constructor, protoProps, staticProps) { if (protoProps) AutoReplace_defineProperties(Constructor.prototype, protoProps); if (staticProps) AutoReplace_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+var AutoReplace_AutoReplace = /*#__PURE__*/function () {
+  function AutoReplace(context) {
+    var _this = this;
+
+    AutoReplace_classCallCheck(this, AutoReplace);
+
+    this.context = context;
+    this.options = context.options.replace || {};
+    this.keys = [core_key.code.ENTER, core_key.code.SPACE, core_key.code.PERIOD, core_key.code.COMMA, core_key.code.SEMICOLON, core_key.code.SLASH];
+    this.previousKeydownCode = null;
+    this.events = {
+      'summernote.keyup': function summernoteKeyup(we, e) {
+        if (!e.isDefaultPrevented()) {
+          _this.handleKeyup(e);
+        }
+      },
+      'summernote.keydown': function summernoteKeydown(we, e) {
+        _this.handleKeydown(e);
+      }
+    };
+  }
+
+  AutoReplace_createClass(AutoReplace, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !!this.options.match;
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      this.lastWord = null;
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.lastWord = null;
+    }
+  }, {
+    key: "replace",
+    value: function replace() {
+      if (!this.lastWord) {
+        return;
+      }
+
+      var self = this;
+      var keyword = this.lastWord.toString();
+      this.options.match(keyword, function (match) {
+        if (match) {
+          var node = '';
+
+          if (typeof match === 'string') {
+            node = dom.createText(match);
+          } else if (match instanceof jQuery) {
+            node = match[0];
+          } else if (match instanceof Node) {
+            node = match;
+          }
+
+          if (!node) return;
+          self.lastWord.insertNode(node);
+          self.lastWord = null;
+          self.context.invoke('editor.focus');
+        }
+      });
+    }
+  }, {
+    key: "handleKeydown",
+    value: function handleKeydown(e) {
+      // this forces it to remember the last whole word, even if multiple termination keys are pressed
+      // before the previous key is let go.
+      if (this.previousKeydownCode && lists.contains(this.keys, this.previousKeydownCode)) {
+        this.previousKeydownCode = e.keyCode;
+        return;
+      }
+
+      if (lists.contains(this.keys, e.keyCode)) {
+        var wordRange = this.context.invoke('editor.createRange').getWordRange();
+        this.lastWord = wordRange;
+      }
+
+      this.previousKeydownCode = e.keyCode;
+    }
+  }, {
+    key: "handleKeyup",
+    value: function handleKeyup(e) {
+      if (lists.contains(this.keys, e.keyCode)) {
+        this.replace();
+      }
+    }
+  }]);
+
+  return AutoReplace;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Placeholder.js
+function Placeholder_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Placeholder_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Placeholder_createClass(Constructor, protoProps, staticProps) { if (protoProps) Placeholder_defineProperties(Constructor.prototype, protoProps); if (staticProps) Placeholder_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Placeholder_Placeholder = /*#__PURE__*/function () {
+  function Placeholder(context) {
+    var _this = this;
+
+    Placeholder_classCallCheck(this, Placeholder);
+
+    this.context = context;
+    this.$editingArea = context.layoutInfo.editingArea;
+    this.options = context.options;
+
+    if (this.options.inheritPlaceholder === true) {
+      // get placeholder value from the original element
+      this.options.placeholder = this.context.$note.attr('placeholder') || this.options.placeholder;
+    }
+
+    this.events = {
+      'summernote.init summernote.change': function summernoteInitSummernoteChange() {
+        _this.update();
+      },
+      'summernote.codeview.toggled': function summernoteCodeviewToggled() {
+        _this.update();
+      }
+    };
+  }
+
+  Placeholder_createClass(Placeholder, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !!this.options.placeholder;
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      var _this2 = this;
+
+      this.$placeholder = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div class="note-placeholder">');
+      this.$placeholder.on('click', function () {
+        _this2.context.invoke('focus');
+      }).html(this.options.placeholder).prependTo(this.$editingArea);
+      this.update();
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$placeholder.remove();
+    }
+  }, {
+    key: "update",
+    value: function update() {
+      var isShow = !this.context.invoke('codeview.isActivated') && this.context.invoke('editor.isEmpty');
+      this.$placeholder.toggle(isShow);
+    }
+  }]);
+
+  return Placeholder;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Buttons.js
+function Buttons_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Buttons_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Buttons_createClass(Constructor, protoProps, staticProps) { if (protoProps) Buttons_defineProperties(Constructor.prototype, protoProps); if (staticProps) Buttons_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+var Buttons_Buttons = /*#__PURE__*/function () {
+  function Buttons(context) {
+    Buttons_classCallCheck(this, Buttons);
+
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.context = context;
+    this.$toolbar = context.layoutInfo.toolbar;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+    this.invertedKeyMap = func.invertObject(this.options.keyMap[env.isMac ? 'mac' : 'pc']);
+  }
+
+  Buttons_createClass(Buttons, [{
+    key: "representShortcut",
+    value: function representShortcut(editorMethod) {
+      var shortcut = this.invertedKeyMap[editorMethod];
+
+      if (!this.options.shortcuts || !shortcut) {
+        return '';
+      }
+
+      if (env.isMac) {
+        shortcut = shortcut.replace('CMD', '⌘').replace('SHIFT', '⇧');
+      }
+
+      shortcut = shortcut.replace('BACKSLASH', '\\').replace('SLASH', '/').replace('LEFTBRACKET', '[').replace('RIGHTBRACKET', ']');
+      return ' (' + shortcut + ')';
+    }
+  }, {
+    key: "button",
+    value: function button(o) {
+      if (!this.options.tooltip && o.tooltip) {
+        delete o.tooltip;
+      }
+
+      o.container = this.options.container;
+      return this.ui.button(o);
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      this.addToolbarButtons();
+      this.addImagePopoverButtons();
+      this.addLinkPopoverButtons();
+      this.addTablePopoverButtons();
+      this.fontInstalledMap = {};
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      delete this.fontInstalledMap;
+    }
+  }, {
+    key: "isFontInstalled",
+    value: function isFontInstalled(name) {
+      if (!Object.prototype.hasOwnProperty.call(this.fontInstalledMap, name)) {
+        this.fontInstalledMap[name] = env.isFontInstalled(name) || lists.contains(this.options.fontNamesIgnoreCheck, name);
+      }
+
+      return this.fontInstalledMap[name];
+    }
+  }, {
+    key: "isFontDeservedToAdd",
+    value: function isFontDeservedToAdd(name) {
+      name = name.toLowerCase();
+      return name !== '' && this.isFontInstalled(name) && env.genericFontFamilies.indexOf(name) === -1;
+    }
+  }, {
+    key: "colorPalette",
+    value: function colorPalette(className, tooltip, backColor, foreColor) {
+      var _this = this;
+
+      return this.ui.buttonGroup({
+        className: 'note-color ' + className,
+        children: [this.button({
+          className: 'note-current-color-button',
+          contents: this.ui.icon(this.options.icons.font + ' note-recent-color'),
+          tooltip: tooltip,
+          click: function click(e) {
+            var $button = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(e.currentTarget);
+
+            if (backColor && foreColor) {
+              _this.context.invoke('editor.color', {
+                backColor: $button.attr('data-backColor'),
+                foreColor: $button.attr('data-foreColor')
+              });
+            } else if (backColor) {
+              _this.context.invoke('editor.color', {
+                backColor: $button.attr('data-backColor')
+              });
+            } else if (foreColor) {
+              _this.context.invoke('editor.color', {
+                foreColor: $button.attr('data-foreColor')
+              });
+            }
+          },
+          callback: function callback($button) {
+            var $recentColor = $button.find('.note-recent-color');
+
+            if (backColor) {
+              $recentColor.css('background-color', _this.options.colorButton.backColor);
+              $button.attr('data-backColor', _this.options.colorButton.backColor);
+            }
+
+            if (foreColor) {
+              $recentColor.css('color', _this.options.colorButton.foreColor);
+              $button.attr('data-foreColor', _this.options.colorButton.foreColor);
+            } else {
+              $recentColor.css('color', 'transparent');
+            }
+          }
+        }), this.button({
+          className: 'dropdown-toggle',
+          contents: this.ui.dropdownButtonContents('', this.options),
+          tooltip: this.lang.color.more,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), this.ui.dropdown({
+          items: (backColor ? ['<div class="note-palette">', '<div class="note-palette-title">' + this.lang.color.background + '</div>', '<div>', '<button type="button" class="note-color-reset btn btn-light btn-default" data-event="backColor" data-value="transparent">', this.lang.color.transparent, '</button>', '</div>', '<div class="note-holder" data-event="backColor"><!-- back colors --></div>', '<div>', '<button type="button" class="note-color-select btn btn-light btn-default" data-event="openPalette" data-value="backColorPicker">', this.lang.color.cpSelect, '</button>', '<input type="color" id="backColorPicker" class="note-btn note-color-select-btn" value="' + this.options.colorButton.backColor + '" data-event="backColorPalette">', '</div>', '<div class="note-holder-custom" id="backColorPalette" data-event="backColor"></div>', '</div>'].join('') : '') + (foreColor ? ['<div class="note-palette">', '<div class="note-palette-title">' + this.lang.color.foreground + '</div>', '<div>', '<button type="button" class="note-color-reset btn btn-light btn-default" data-event="removeFormat" data-value="foreColor">', this.lang.color.resetToDefault, '</button>', '</div>', '<div class="note-holder" data-event="foreColor"><!-- fore colors --></div>', '<div>', '<button type="button" class="note-color-select btn btn-light btn-default" data-event="openPalette" data-value="foreColorPicker">', this.lang.color.cpSelect, '</button>', '<input type="color" id="foreColorPicker" class="note-btn note-color-select-btn" value="' + this.options.colorButton.foreColor + '" data-event="foreColorPalette">', '</div>', // Fix missing Div, Commented to find easily if it's wrong
+          '<div class="note-holder-custom" id="foreColorPalette" data-event="foreColor"></div>', '</div>'].join('') : ''),
+          callback: function callback($dropdown) {
+            $dropdown.find('.note-holder').each(function (idx, item) {
+              var $holder = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item);
+              $holder.append(_this.ui.palette({
+                colors: _this.options.colors,
+                colorsName: _this.options.colorsName,
+                eventName: $holder.data('event'),
+                container: _this.options.container,
+                tooltip: _this.options.tooltip
+              }).render());
+            });
+            /* TODO: do we have to record recent custom colors within cookies? */
+
+            var customColors = [['#FFFFFF', '#FFFFFF', '#FFFFFF', '#FFFFFF', '#FFFFFF', '#FFFFFF', '#FFFFFF', '#FFFFFF']];
+            $dropdown.find('.note-holder-custom').each(function (idx, item) {
+              var $holder = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item);
+              $holder.append(_this.ui.palette({
+                colors: customColors,
+                colorsName: customColors,
+                eventName: $holder.data('event'),
+                container: _this.options.container,
+                tooltip: _this.options.tooltip
+              }).render());
+            });
+            $dropdown.find('input[type=color]').each(function (idx, item) {
+              external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item).change(function () {
+                var $chip = $dropdown.find('#' + external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this).data('event')).find('.note-color-btn').first();
+                var color = this.value.toUpperCase();
+                $chip.css('background-color', color).attr('aria-label', color).attr('data-value', color).attr('data-original-title', color);
+                $chip.click();
+              });
+            });
+          },
+          click: function click(event) {
+            event.stopPropagation();
+            var $parent = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('.' + className).find('.note-dropdown-menu');
+            var $button = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(event.target);
+            var eventName = $button.data('event');
+            var value = $button.attr('data-value');
+
+            if (eventName === 'openPalette') {
+              var $picker = $parent.find('#' + value);
+              var $palette = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()($parent.find('#' + $picker.data('event')).find('.note-color-row')[0]); // Shift palette chips
+
+              var $chip = $palette.find('.note-color-btn').last().detach(); // Set chip attributes
+
+              var color = $picker.val();
+              $chip.css('background-color', color).attr('aria-label', color).attr('data-value', color).attr('data-original-title', color);
+              $palette.prepend($chip);
+              $picker.click();
+            } else {
+              if (lists.contains(['backColor', 'foreColor'], eventName)) {
+                var key = eventName === 'backColor' ? 'background-color' : 'color';
+                var $color = $button.closest('.note-color').find('.note-recent-color');
+                var $currentButton = $button.closest('.note-color').find('.note-current-color-button');
+                $color.css(key, value);
+                $currentButton.attr('data-' + eventName, value);
+              }
+
+              _this.context.invoke('editor.' + eventName, value);
+            }
+          }
+        })]
+      }).render();
+    }
+  }, {
+    key: "addToolbarButtons",
+    value: function addToolbarButtons() {
+      var _this2 = this;
+
+      this.context.memo('button.style', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents(_this2.ui.icon(_this2.options.icons.magic), _this2.options),
+          tooltip: _this2.lang.style.style,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdown({
+          className: 'dropdown-style',
+          items: _this2.options.styleTags,
+          title: _this2.lang.style.style,
+          template: function template(item) {
+            // TBD: need to be simplified
+            if (typeof item === 'string') {
+              item = {
+                tag: item,
+                title: Object.prototype.hasOwnProperty.call(_this2.lang.style, item) ? _this2.lang.style[item] : item
+              };
+            }
+
+            var tag = item.tag;
+            var title = item.title;
+            var style = item.style ? ' style="' + item.style + '" ' : '';
+            var className = item.className ? ' class="' + item.className + '"' : '';
+            return '<' + tag + style + className + '>' + title + '</' + tag + '>';
+          },
+          click: _this2.context.createInvokeHandler('editor.formatBlock')
+        })]).render();
+      });
+
+      var _loop = function _loop(styleIdx, styleLen) {
+        var item = _this2.options.styleTags[styleIdx];
+
+        _this2.context.memo('button.style.' + item, function () {
+          return _this2.button({
+            className: 'note-btn-style-' + item,
+            contents: '<div data-value="' + item + '">' + item.toUpperCase() + '</div>',
+            tooltip: _this2.lang.style[item],
+            click: _this2.context.createInvokeHandler('editor.formatBlock')
+          }).render();
+        });
+      };
+
+      for (var styleIdx = 0, styleLen = this.options.styleTags.length; styleIdx < styleLen; styleIdx++) {
+        _loop(styleIdx, styleLen);
+      }
+
+      this.context.memo('button.bold', function () {
+        return _this2.button({
+          className: 'note-btn-bold',
+          contents: _this2.ui.icon(_this2.options.icons.bold),
+          tooltip: _this2.lang.font.bold + _this2.representShortcut('bold'),
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.bold')
+        }).render();
+      });
+      this.context.memo('button.italic', function () {
+        return _this2.button({
+          className: 'note-btn-italic',
+          contents: _this2.ui.icon(_this2.options.icons.italic),
+          tooltip: _this2.lang.font.italic + _this2.representShortcut('italic'),
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.italic')
+        }).render();
+      });
+      this.context.memo('button.underline', function () {
+        return _this2.button({
+          className: 'note-btn-underline',
+          contents: _this2.ui.icon(_this2.options.icons.underline),
+          tooltip: _this2.lang.font.underline + _this2.representShortcut('underline'),
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.underline')
+        }).render();
+      });
+      this.context.memo('button.clear', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.eraser),
+          tooltip: _this2.lang.font.clear + _this2.representShortcut('removeFormat'),
+          click: _this2.context.createInvokeHandler('editor.removeFormat')
+        }).render();
+      });
+      this.context.memo('button.strikethrough', function () {
+        return _this2.button({
+          className: 'note-btn-strikethrough',
+          contents: _this2.ui.icon(_this2.options.icons.strikethrough),
+          tooltip: _this2.lang.font.strikethrough + _this2.representShortcut('strikethrough'),
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.strikethrough')
+        }).render();
+      });
+      this.context.memo('button.superscript', function () {
+        return _this2.button({
+          className: 'note-btn-superscript',
+          contents: _this2.ui.icon(_this2.options.icons.superscript),
+          tooltip: _this2.lang.font.superscript,
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.superscript')
+        }).render();
+      });
+      this.context.memo('button.subscript', function () {
+        return _this2.button({
+          className: 'note-btn-subscript',
+          contents: _this2.ui.icon(_this2.options.icons.subscript),
+          tooltip: _this2.lang.font.subscript,
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.subscript')
+        }).render();
+      });
+      this.context.memo('button.fontname', function () {
+        var styleInfo = _this2.context.invoke('editor.currentStyle');
+
+        if (_this2.options.addDefaultFonts) {
+          // Add 'default' fonts into the fontnames array if not exist
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(styleInfo['font-family'].split(','), function (idx, fontname) {
+            fontname = fontname.trim().replace(/['"]+/g, '');
+
+            if (_this2.isFontDeservedToAdd(fontname)) {
+              if (_this2.options.fontNames.indexOf(fontname) === -1) {
+                _this2.options.fontNames.push(fontname);
+              }
+            }
+          });
+        }
+
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents('<span class="note-current-fontname"></span>', _this2.options),
+          tooltip: _this2.lang.font.name,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdownCheck({
+          className: 'dropdown-fontname',
+          checkClassName: _this2.options.icons.menuCheck,
+          items: _this2.options.fontNames.filter(_this2.isFontInstalled.bind(_this2)),
+          title: _this2.lang.font.name,
+          template: function template(item) {
+            return '<span style="font-family: ' + env.validFontName(item) + '">' + item + '</span>';
+          },
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.fontName')
+        })]).render();
+      });
+      this.context.memo('button.fontsize', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents('<span class="note-current-fontsize"></span>', _this2.options),
+          tooltip: _this2.lang.font.size,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdownCheck({
+          className: 'dropdown-fontsize',
+          checkClassName: _this2.options.icons.menuCheck,
+          items: _this2.options.fontSizes,
+          title: _this2.lang.font.size,
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.fontSize')
+        })]).render();
+      });
+      this.context.memo('button.fontsizeunit', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents('<span class="note-current-fontsizeunit"></span>', _this2.options),
+          tooltip: _this2.lang.font.sizeunit,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdownCheck({
+          className: 'dropdown-fontsizeunit',
+          checkClassName: _this2.options.icons.menuCheck,
+          items: _this2.options.fontSizeUnits,
+          title: _this2.lang.font.sizeunit,
+          click: _this2.context.createInvokeHandlerAndUpdateState('editor.fontSizeUnit')
+        })]).render();
+      });
+      this.context.memo('button.color', function () {
+        return _this2.colorPalette('note-color-all', _this2.lang.color.recent, true, true);
+      });
+      this.context.memo('button.forecolor', function () {
+        return _this2.colorPalette('note-color-fore', _this2.lang.color.foreground, false, true);
+      });
+      this.context.memo('button.backcolor', function () {
+        return _this2.colorPalette('note-color-back', _this2.lang.color.background, true, false);
+      });
+      this.context.memo('button.ul', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.unorderedlist),
+          tooltip: _this2.lang.lists.unordered + _this2.representShortcut('insertUnorderedList'),
+          click: _this2.context.createInvokeHandler('editor.insertUnorderedList')
+        }).render();
+      });
+      this.context.memo('button.ol', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.orderedlist),
+          tooltip: _this2.lang.lists.ordered + _this2.representShortcut('insertOrderedList'),
+          click: _this2.context.createInvokeHandler('editor.insertOrderedList')
+        }).render();
+      });
+      var justifyLeft = this.button({
+        contents: this.ui.icon(this.options.icons.alignLeft),
+        tooltip: this.lang.paragraph.left + this.representShortcut('justifyLeft'),
+        click: this.context.createInvokeHandler('editor.justifyLeft')
+      });
+      var justifyCenter = this.button({
+        contents: this.ui.icon(this.options.icons.alignCenter),
+        tooltip: this.lang.paragraph.center + this.representShortcut('justifyCenter'),
+        click: this.context.createInvokeHandler('editor.justifyCenter')
+      });
+      var justifyRight = this.button({
+        contents: this.ui.icon(this.options.icons.alignRight),
+        tooltip: this.lang.paragraph.right + this.representShortcut('justifyRight'),
+        click: this.context.createInvokeHandler('editor.justifyRight')
+      });
+      var justifyFull = this.button({
+        contents: this.ui.icon(this.options.icons.alignJustify),
+        tooltip: this.lang.paragraph.justify + this.representShortcut('justifyFull'),
+        click: this.context.createInvokeHandler('editor.justifyFull')
+      });
+      var outdent = this.button({
+        contents: this.ui.icon(this.options.icons.outdent),
+        tooltip: this.lang.paragraph.outdent + this.representShortcut('outdent'),
+        click: this.context.createInvokeHandler('editor.outdent')
+      });
+      var indent = this.button({
+        contents: this.ui.icon(this.options.icons.indent),
+        tooltip: this.lang.paragraph.indent + this.representShortcut('indent'),
+        click: this.context.createInvokeHandler('editor.indent')
+      });
+      this.context.memo('button.justifyLeft', func.invoke(justifyLeft, 'render'));
+      this.context.memo('button.justifyCenter', func.invoke(justifyCenter, 'render'));
+      this.context.memo('button.justifyRight', func.invoke(justifyRight, 'render'));
+      this.context.memo('button.justifyFull', func.invoke(justifyFull, 'render'));
+      this.context.memo('button.outdent', func.invoke(outdent, 'render'));
+      this.context.memo('button.indent', func.invoke(indent, 'render'));
+      this.context.memo('button.paragraph', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents(_this2.ui.icon(_this2.options.icons.alignLeft), _this2.options),
+          tooltip: _this2.lang.paragraph.paragraph,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdown([_this2.ui.buttonGroup({
+          className: 'note-align',
+          children: [justifyLeft, justifyCenter, justifyRight, justifyFull]
+        }), _this2.ui.buttonGroup({
+          className: 'note-list',
+          children: [outdent, indent]
+        })])]).render();
+      });
+      this.context.memo('button.height', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents(_this2.ui.icon(_this2.options.icons.textHeight), _this2.options),
+          tooltip: _this2.lang.font.height,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdownCheck({
+          items: _this2.options.lineHeights,
+          checkClassName: _this2.options.icons.menuCheck,
+          className: 'dropdown-line-height',
+          title: _this2.lang.font.height,
+          click: _this2.context.createInvokeHandler('editor.lineHeight')
+        })]).render();
+      });
+      this.context.memo('button.table', function () {
+        return _this2.ui.buttonGroup([_this2.button({
+          className: 'dropdown-toggle',
+          contents: _this2.ui.dropdownButtonContents(_this2.ui.icon(_this2.options.icons.table), _this2.options),
+          tooltip: _this2.lang.table.table,
+          data: {
+            toggle: 'dropdown'
+          }
+        }), _this2.ui.dropdown({
+          title: _this2.lang.table.table,
+          className: 'note-table',
+          items: ['<div class="note-dimension-picker">', '<div class="note-dimension-picker-mousecatcher" data-event="insertTable" data-value="1x1"></div>', '<div class="note-dimension-picker-highlighted"></div>', '<div class="note-dimension-picker-unhighlighted"></div>', '</div>', '<div class="note-dimension-display">1 x 1</div>'].join('')
+        })], {
+          callback: function callback($node) {
+            var $catcher = $node.find('.note-dimension-picker-mousecatcher');
+            $catcher.css({
+              width: _this2.options.insertTableMaxSize.col + 'em',
+              height: _this2.options.insertTableMaxSize.row + 'em'
+            }).mousedown(_this2.context.createInvokeHandler('editor.insertTable')).on('mousemove', _this2.tableMoveHandler.bind(_this2));
+          }
+        }).render();
+      });
+      this.context.memo('button.link', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.link),
+          tooltip: _this2.lang.link.link + _this2.representShortcut('linkDialog.show'),
+          click: _this2.context.createInvokeHandler('linkDialog.show')
+        }).render();
+      });
+      this.context.memo('button.picture', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.picture),
+          tooltip: _this2.lang.image.image,
+          click: _this2.context.createInvokeHandler('imageDialog.show')
+        }).render();
+      });
+      this.context.memo('button.video', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.video),
+          tooltip: _this2.lang.video.video,
+          click: _this2.context.createInvokeHandler('videoDialog.show')
+        }).render();
+      });
+      this.context.memo('button.hr', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.minus),
+          tooltip: _this2.lang.hr.insert + _this2.representShortcut('insertHorizontalRule'),
+          click: _this2.context.createInvokeHandler('editor.insertHorizontalRule')
+        }).render();
+      });
+      this.context.memo('button.fullscreen', function () {
+        return _this2.button({
+          className: 'btn-fullscreen note-codeview-keep',
+          contents: _this2.ui.icon(_this2.options.icons.arrowsAlt),
+          tooltip: _this2.lang.options.fullscreen,
+          click: _this2.context.createInvokeHandler('fullscreen.toggle')
+        }).render();
+      });
+      this.context.memo('button.codeview', function () {
+        return _this2.button({
+          className: 'btn-codeview note-codeview-keep',
+          contents: _this2.ui.icon(_this2.options.icons.code),
+          tooltip: _this2.lang.options.codeview,
+          click: _this2.context.createInvokeHandler('codeview.toggle')
+        }).render();
+      });
+      this.context.memo('button.redo', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.redo),
+          tooltip: _this2.lang.history.redo + _this2.representShortcut('redo'),
+          click: _this2.context.createInvokeHandler('editor.redo')
+        }).render();
+      });
+      this.context.memo('button.undo', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.undo),
+          tooltip: _this2.lang.history.undo + _this2.representShortcut('undo'),
+          click: _this2.context.createInvokeHandler('editor.undo')
+        }).render();
+      });
+      this.context.memo('button.help', function () {
+        return _this2.button({
+          contents: _this2.ui.icon(_this2.options.icons.question),
+          tooltip: _this2.lang.options.help,
+          click: _this2.context.createInvokeHandler('helpDialog.show')
+        }).render();
+      });
+    }
+    /**
+     * image: [
+     *   ['imageResize', ['resizeFull', 'resizeHalf', 'resizeQuarter', 'resizeNone']],
+     *   ['float', ['floatLeft', 'floatRight', 'floatNone']],
+     *   ['remove', ['removeMedia']],
+     * ],
+     */
+
+  }, {
+    key: "addImagePopoverButtons",
+    value: function addImagePopoverButtons() {
+      var _this3 = this;
+
+      // Image Size Buttons
+      this.context.memo('button.resizeFull', function () {
+        return _this3.button({
+          contents: '<span class="note-fontsize-10">100%</span>',
+          tooltip: _this3.lang.image.resizeFull,
+          click: _this3.context.createInvokeHandler('editor.resize', '1')
+        }).render();
+      });
+      this.context.memo('button.resizeHalf', function () {
+        return _this3.button({
+          contents: '<span class="note-fontsize-10">50%</span>',
+          tooltip: _this3.lang.image.resizeHalf,
+          click: _this3.context.createInvokeHandler('editor.resize', '0.5')
+        }).render();
+      });
+      this.context.memo('button.resizeQuarter', function () {
+        return _this3.button({
+          contents: '<span class="note-fontsize-10">25%</span>',
+          tooltip: _this3.lang.image.resizeQuarter,
+          click: _this3.context.createInvokeHandler('editor.resize', '0.25')
+        }).render();
+      });
+      this.context.memo('button.resizeNone', function () {
+        return _this3.button({
+          contents: _this3.ui.icon(_this3.options.icons.rollback),
+          tooltip: _this3.lang.image.resizeNone,
+          click: _this3.context.createInvokeHandler('editor.resize', '0')
+        }).render();
+      }); // Float Buttons
+
+      this.context.memo('button.floatLeft', function () {
+        return _this3.button({
+          contents: _this3.ui.icon(_this3.options.icons.floatLeft),
+          tooltip: _this3.lang.image.floatLeft,
+          click: _this3.context.createInvokeHandler('editor.floatMe', 'left')
+        }).render();
+      });
+      this.context.memo('button.floatRight', function () {
+        return _this3.button({
+          contents: _this3.ui.icon(_this3.options.icons.floatRight),
+          tooltip: _this3.lang.image.floatRight,
+          click: _this3.context.createInvokeHandler('editor.floatMe', 'right')
+        }).render();
+      });
+      this.context.memo('button.floatNone', function () {
+        return _this3.button({
+          contents: _this3.ui.icon(_this3.options.icons.rollback),
+          tooltip: _this3.lang.image.floatNone,
+          click: _this3.context.createInvokeHandler('editor.floatMe', 'none')
+        }).render();
+      }); // Remove Buttons
+
+      this.context.memo('button.removeMedia', function () {
+        return _this3.button({
+          contents: _this3.ui.icon(_this3.options.icons.trash),
+          tooltip: _this3.lang.image.remove,
+          click: _this3.context.createInvokeHandler('editor.removeMedia')
+        }).render();
+      });
+    }
+  }, {
+    key: "addLinkPopoverButtons",
+    value: function addLinkPopoverButtons() {
+      var _this4 = this;
+
+      this.context.memo('button.linkDialogShow', function () {
+        return _this4.button({
+          contents: _this4.ui.icon(_this4.options.icons.link),
+          tooltip: _this4.lang.link.edit,
+          click: _this4.context.createInvokeHandler('linkDialog.show')
+        }).render();
+      });
+      this.context.memo('button.unlink', function () {
+        return _this4.button({
+          contents: _this4.ui.icon(_this4.options.icons.unlink),
+          tooltip: _this4.lang.link.unlink,
+          click: _this4.context.createInvokeHandler('editor.unlink')
+        }).render();
+      });
+    }
+    /**
+     * table : [
+     *  ['add', ['addRowDown', 'addRowUp', 'addColLeft', 'addColRight']],
+     *  ['delete', ['deleteRow', 'deleteCol', 'deleteTable']]
+     * ],
+     */
+
+  }, {
+    key: "addTablePopoverButtons",
+    value: function addTablePopoverButtons() {
+      var _this5 = this;
+
+      this.context.memo('button.addRowUp', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.rowAbove),
+          tooltip: _this5.lang.table.addRowAbove,
+          click: _this5.context.createInvokeHandler('editor.addRow', 'top')
+        }).render();
+      });
+      this.context.memo('button.addRowDown', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.rowBelow),
+          tooltip: _this5.lang.table.addRowBelow,
+          click: _this5.context.createInvokeHandler('editor.addRow', 'bottom')
+        }).render();
+      });
+      this.context.memo('button.addColLeft', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.colBefore),
+          tooltip: _this5.lang.table.addColLeft,
+          click: _this5.context.createInvokeHandler('editor.addCol', 'left')
+        }).render();
+      });
+      this.context.memo('button.addColRight', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.colAfter),
+          tooltip: _this5.lang.table.addColRight,
+          click: _this5.context.createInvokeHandler('editor.addCol', 'right')
+        }).render();
+      });
+      this.context.memo('button.deleteRow', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.rowRemove),
+          tooltip: _this5.lang.table.delRow,
+          click: _this5.context.createInvokeHandler('editor.deleteRow')
+        }).render();
+      });
+      this.context.memo('button.deleteCol', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.colRemove),
+          tooltip: _this5.lang.table.delCol,
+          click: _this5.context.createInvokeHandler('editor.deleteCol')
+        }).render();
+      });
+      this.context.memo('button.deleteTable', function () {
+        return _this5.button({
+          className: 'btn-md',
+          contents: _this5.ui.icon(_this5.options.icons.trash),
+          tooltip: _this5.lang.table.delTable,
+          click: _this5.context.createInvokeHandler('editor.deleteTable')
+        }).render();
+      });
+    }
+  }, {
+    key: "build",
+    value: function build($container, groups) {
+      for (var groupIdx = 0, groupLen = groups.length; groupIdx < groupLen; groupIdx++) {
+        var group = groups[groupIdx];
+        var groupName = Array.isArray(group) ? group[0] : group;
+        var buttons = Array.isArray(group) ? group.length === 1 ? [group[0]] : group[1] : [group];
+        var $group = this.ui.buttonGroup({
+          className: 'note-' + groupName
+        }).render();
+
+        for (var idx = 0, len = buttons.length; idx < len; idx++) {
+          var btn = this.context.memo('button.' + buttons[idx]);
+
+          if (btn) {
+            $group.append(typeof btn === 'function' ? btn(this.context) : btn);
+          }
+        }
+
+        $group.appendTo($container);
+      }
+    }
+    /**
+     * @param {jQuery} [$container]
+     */
+
+  }, {
+    key: "updateCurrentStyle",
+    value: function updateCurrentStyle($container) {
+      var _this6 = this;
+
+      var $cont = $container || this.$toolbar;
+      var styleInfo = this.context.invoke('editor.currentStyle');
+      this.updateBtnStates($cont, {
+        '.note-btn-bold': function noteBtnBold() {
+          return styleInfo['font-bold'] === 'bold';
+        },
+        '.note-btn-italic': function noteBtnItalic() {
+          return styleInfo['font-italic'] === 'italic';
+        },
+        '.note-btn-underline': function noteBtnUnderline() {
+          return styleInfo['font-underline'] === 'underline';
+        },
+        '.note-btn-subscript': function noteBtnSubscript() {
+          return styleInfo['font-subscript'] === 'subscript';
+        },
+        '.note-btn-superscript': function noteBtnSuperscript() {
+          return styleInfo['font-superscript'] === 'superscript';
+        },
+        '.note-btn-strikethrough': function noteBtnStrikethrough() {
+          return styleInfo['font-strikethrough'] === 'strikethrough';
+        }
+      });
+
+      if (styleInfo['font-family']) {
+        var fontNames = styleInfo['font-family'].split(',').map(function (name) {
+          return name.replace(/[\'\"]/g, '').replace(/\s+$/, '').replace(/^\s+/, '');
+        });
+        var fontName = lists.find(fontNames, this.isFontInstalled.bind(this));
+        $cont.find('.dropdown-fontname a').each(function (idx, item) {
+          var $item = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item); // always compare string to avoid creating another func.
+
+          var isChecked = $item.data('value') + '' === fontName + '';
+          $item.toggleClass('checked', isChecked);
+        });
+        $cont.find('.note-current-fontname').text(fontName).css('font-family', fontName);
+      }
+
+      if (styleInfo['font-size']) {
+        var fontSize = styleInfo['font-size'];
+        $cont.find('.dropdown-fontsize a').each(function (idx, item) {
+          var $item = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item); // always compare with string to avoid creating another func.
+
+          var isChecked = $item.data('value') + '' === fontSize + '';
+          $item.toggleClass('checked', isChecked);
+        });
+        $cont.find('.note-current-fontsize').text(fontSize);
+        var fontSizeUnit = styleInfo['font-size-unit'];
+        $cont.find('.dropdown-fontsizeunit a').each(function (idx, item) {
+          var $item = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item);
+          var isChecked = $item.data('value') + '' === fontSizeUnit + '';
+          $item.toggleClass('checked', isChecked);
+        });
+        $cont.find('.note-current-fontsizeunit').text(fontSizeUnit);
+      }
+
+      if (styleInfo['line-height']) {
+        var lineHeight = styleInfo['line-height'];
+        $cont.find('.dropdown-line-height li a').each(function (idx, item) {
+          // always compare with string to avoid creating another func.
+          var isChecked = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(item).data('value') + '' === lineHeight + '';
+          _this6.className = isChecked ? 'checked' : '';
+        });
+      }
+    }
+  }, {
+    key: "updateBtnStates",
+    value: function updateBtnStates($container, infos) {
+      var _this7 = this;
+
+      external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.each(infos, function (selector, pred) {
+        _this7.ui.toggleBtnActive($container.find(selector), pred());
+      });
+    }
+  }, {
+    key: "tableMoveHandler",
+    value: function tableMoveHandler(event) {
+      var PX_PER_EM = 18;
+      var $picker = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(event.target.parentNode); // target is mousecatcher
+
+      var $dimensionDisplay = $picker.next();
+      var $catcher = $picker.find('.note-dimension-picker-mousecatcher');
+      var $highlighted = $picker.find('.note-dimension-picker-highlighted');
+      var $unhighlighted = $picker.find('.note-dimension-picker-unhighlighted');
+      var posOffset; // HTML5 with jQuery - e.offsetX is undefined in Firefox
+
+      if (event.offsetX === undefined) {
+        var posCatcher = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(event.target).offset();
+        posOffset = {
+          x: event.pageX - posCatcher.left,
+          y: event.pageY - posCatcher.top
+        };
+      } else {
+        posOffset = {
+          x: event.offsetX,
+          y: event.offsetY
+        };
+      }
+
+      var dim = {
+        c: Math.ceil(posOffset.x / PX_PER_EM) || 1,
+        r: Math.ceil(posOffset.y / PX_PER_EM) || 1
+      };
+      $highlighted.css({
+        width: dim.c + 'em',
+        height: dim.r + 'em'
+      });
+      $catcher.data('value', dim.c + 'x' + dim.r);
+
+      if (dim.c > 3 && dim.c < this.options.insertTableMaxSize.col) {
+        $unhighlighted.css({
+          width: dim.c + 1 + 'em'
+        });
+      }
+
+      if (dim.r > 3 && dim.r < this.options.insertTableMaxSize.row) {
+        $unhighlighted.css({
+          height: dim.r + 1 + 'em'
+        });
+      }
+
+      $dimensionDisplay.html(dim.c + ' x ' + dim.r);
+    }
+  }]);
+
+  return Buttons;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/Toolbar.js
+function Toolbar_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function Toolbar_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function Toolbar_createClass(Constructor, protoProps, staticProps) { if (protoProps) Toolbar_defineProperties(Constructor.prototype, protoProps); if (staticProps) Toolbar_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var Toolbar_Toolbar = /*#__PURE__*/function () {
+  function Toolbar(context) {
+    Toolbar_classCallCheck(this, Toolbar);
+
+    this.context = context;
+    this.$window = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(window);
+    this.$document = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document);
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$note = context.layoutInfo.note;
+    this.$editor = context.layoutInfo.editor;
+    this.$toolbar = context.layoutInfo.toolbar;
+    this.$editable = context.layoutInfo.editable;
+    this.$statusbar = context.layoutInfo.statusbar;
+    this.options = context.options;
+    this.isFollowing = false;
+    this.followScroll = this.followScroll.bind(this);
+  }
+
+  Toolbar_createClass(Toolbar, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !this.options.airMode;
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      var _this = this;
+
+      this.options.toolbar = this.options.toolbar || [];
+
+      if (!this.options.toolbar.length) {
+        this.$toolbar.hide();
+      } else {
+        this.context.invoke('buttons.build', this.$toolbar, this.options.toolbar);
+      }
+
+      if (this.options.toolbarContainer) {
+        this.$toolbar.appendTo(this.options.toolbarContainer);
+      }
+
+      this.changeContainer(false);
+      this.$note.on('summernote.keyup summernote.mouseup summernote.change', function () {
+        _this.context.invoke('buttons.updateCurrentStyle');
+      });
+      this.context.invoke('buttons.updateCurrentStyle');
+
+      if (this.options.followingToolbar) {
+        this.$window.on('scroll resize', this.followScroll);
+      }
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$toolbar.children().remove();
+
+      if (this.options.followingToolbar) {
+        this.$window.off('scroll resize', this.followScroll);
+      }
+    }
+  }, {
+    key: "followScroll",
+    value: function followScroll() {
+      if (this.$editor.hasClass('fullscreen')) {
+        return false;
+      }
+
+      var editorHeight = this.$editor.outerHeight();
+      var editorWidth = this.$editor.width();
+      var toolbarHeight = this.$toolbar.height();
+      var statusbarHeight = this.$statusbar.height(); // check if the web app is currently using another static bar
+
+      var otherBarHeight = 0;
+
+      if (this.options.otherStaticBar) {
+        otherBarHeight = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.otherStaticBar).outerHeight();
+      }
+
+      var currentOffset = this.$document.scrollTop();
+      var editorOffsetTop = this.$editor.offset().top;
+      var editorOffsetBottom = editorOffsetTop + editorHeight;
+      var activateOffset = editorOffsetTop - otherBarHeight;
+      var deactivateOffsetBottom = editorOffsetBottom - otherBarHeight - toolbarHeight - statusbarHeight;
+
+      if (!this.isFollowing && currentOffset > activateOffset && currentOffset < deactivateOffsetBottom - toolbarHeight) {
+        this.isFollowing = true;
+        this.$editable.css({
+          marginTop: this.$toolbar.outerHeight()
+        });
+        this.$toolbar.css({
+          position: 'fixed',
+          top: otherBarHeight,
+          width: editorWidth,
+          zIndex: 1000
+        });
+      } else if (this.isFollowing && (currentOffset < activateOffset || currentOffset > deactivateOffsetBottom)) {
+        this.isFollowing = false;
+        this.$toolbar.css({
+          position: 'relative',
+          top: 0,
+          width: '100%',
+          zIndex: 'auto'
+        });
+        this.$editable.css({
+          marginTop: ''
+        });
+      }
+    }
+  }, {
+    key: "changeContainer",
+    value: function changeContainer(isFullscreen) {
+      if (isFullscreen) {
+        this.$toolbar.prependTo(this.$editor);
+      } else {
+        if (this.options.toolbarContainer) {
+          this.$toolbar.appendTo(this.options.toolbarContainer);
+        }
+      }
+
+      if (this.options.followingToolbar) {
+        this.followScroll();
+      }
+    }
+  }, {
+    key: "updateFullscreen",
+    value: function updateFullscreen(isFullscreen) {
+      this.ui.toggleBtnActive(this.$toolbar.find('.btn-fullscreen'), isFullscreen);
+      this.changeContainer(isFullscreen);
+    }
+  }, {
+    key: "updateCodeview",
+    value: function updateCodeview(isCodeview) {
+      this.ui.toggleBtnActive(this.$toolbar.find('.btn-codeview'), isCodeview);
+
+      if (isCodeview) {
+        this.deactivate();
+      } else {
+        this.activate();
+      }
+    }
+  }, {
+    key: "activate",
+    value: function activate(isIncludeCodeview) {
+      var $btn = this.$toolbar.find('button');
+
+      if (!isIncludeCodeview) {
+        $btn = $btn.not('.note-codeview-keep');
+      }
+
+      this.ui.toggleBtn($btn, true);
+    }
+  }, {
+    key: "deactivate",
+    value: function deactivate(isIncludeCodeview) {
+      var $btn = this.$toolbar.find('button');
+
+      if (!isIncludeCodeview) {
+        $btn = $btn.not('.note-codeview-keep');
+      }
+
+      this.ui.toggleBtn($btn, false);
+    }
+  }]);
+
+  return Toolbar;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/LinkDialog.js
+function LinkDialog_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function LinkDialog_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function LinkDialog_createClass(Constructor, protoProps, staticProps) { if (protoProps) LinkDialog_defineProperties(Constructor.prototype, protoProps); if (staticProps) LinkDialog_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+var LinkDialog_LinkDialog = /*#__PURE__*/function () {
+  function LinkDialog(context) {
+    LinkDialog_classCallCheck(this, LinkDialog);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$body = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document.body);
+    this.$editor = context.layoutInfo.editor;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+    context.memo('help.linkDialog.show', this.options.langInfo.help['linkDialog.show']);
+  }
+
+  LinkDialog_createClass(LinkDialog, [{
+    key: "initialize",
+    value: function initialize() {
+      var $container = this.options.dialogsInBody ? this.$body : this.options.container;
+      var body = ['<div class="form-group note-form-group">', "<label for=\"note-dialog-link-txt-".concat(this.options.id, "\" class=\"note-form-label\">").concat(this.lang.link.textToDisplay, "</label>"), "<input id=\"note-dialog-link-txt-".concat(this.options.id, "\" class=\"note-link-text form-control note-form-control note-input\" type=\"text\"/>"), '</div>', '<div class="form-group note-form-group">', "<label for=\"note-dialog-link-url-".concat(this.options.id, "\" class=\"note-form-label\">").concat(this.lang.link.url, "</label>"), "<input id=\"note-dialog-link-url-".concat(this.options.id, "\" class=\"note-link-url form-control note-form-control note-input\" type=\"text\" value=\"http://\"/>"), '</div>', !this.options.disableLinkTarget ? external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div/>').append(this.ui.checkbox({
+        className: 'sn-checkbox-open-in-new-window',
+        text: this.lang.link.openInNewWindow,
+        checked: true
+      }).render()).html() : '', external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div/>').append(this.ui.checkbox({
+        className: 'sn-checkbox-use-protocol',
+        text: this.lang.link.useProtocol,
+        checked: true
+      }).render()).html()].join('');
+      var buttonClass = 'btn btn-primary note-btn note-btn-primary note-link-btn';
+      var footer = "<input type=\"button\" href=\"#\" class=\"".concat(buttonClass, "\" value=\"").concat(this.lang.link.insert, "\" disabled>");
+      this.$dialog = this.ui.dialog({
+        className: 'link-dialog',
+        title: this.lang.link.insert,
+        fade: this.options.dialogsFade,
+        body: body,
+        footer: footer
+      }).render().appendTo($container);
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.ui.hideDialog(this.$dialog);
+      this.$dialog.remove();
+    }
+  }, {
+    key: "bindEnterKey",
+    value: function bindEnterKey($input, $btn) {
+      $input.on('keypress', function (event) {
+        if (event.keyCode === core_key.code.ENTER) {
+          event.preventDefault();
+          $btn.trigger('click');
+        }
+      });
+    }
+    /**
+     * toggle update button
+     */
+
+  }, {
+    key: "toggleLinkBtn",
+    value: function toggleLinkBtn($linkBtn, $linkText, $linkUrl) {
+      this.ui.toggleBtn($linkBtn, $linkText.val() && $linkUrl.val());
+    }
+    /**
+     * Show link dialog and set event handlers on dialog controls.
+     *
+     * @param {Object} linkInfo
+     * @return {Promise}
+     */
+
+  }, {
+    key: "showLinkDialog",
+    value: function showLinkDialog(linkInfo) {
+      var _this = this;
+
+      return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+        var $linkText = _this.$dialog.find('.note-link-text');
+
+        var $linkUrl = _this.$dialog.find('.note-link-url');
+
+        var $linkBtn = _this.$dialog.find('.note-link-btn');
+
+        var $openInNewWindow = _this.$dialog.find('.sn-checkbox-open-in-new-window input[type=checkbox]');
+
+        var $useProtocol = _this.$dialog.find('.sn-checkbox-use-protocol input[type=checkbox]');
+
+        _this.ui.onDialogShown(_this.$dialog, function () {
+          _this.context.triggerEvent('dialog.shown'); // If no url was given and given text is valid URL then copy that into URL Field
+
+
+          if (!linkInfo.url && func.isValidUrl(linkInfo.text)) {
+            linkInfo.url = linkInfo.text;
+          }
+
+          $linkText.on('input paste propertychange', function () {
+            // If linktext was modified by input events,
+            // cloning text from linkUrl will be stopped.
+            linkInfo.text = $linkText.val();
+
+            _this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
+          }).val(linkInfo.text);
+          $linkUrl.on('input paste propertychange', function () {
+            // Display same text on `Text to display` as default
+            // when linktext has no text
+            if (!linkInfo.text) {
+              $linkText.val($linkUrl.val());
+            }
+
+            _this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
+          }).val(linkInfo.url);
+
+          if (!env.isSupportTouch) {
+            $linkUrl.trigger('focus');
+          }
+
+          _this.toggleLinkBtn($linkBtn, $linkText, $linkUrl);
+
+          _this.bindEnterKey($linkUrl, $linkBtn);
+
+          _this.bindEnterKey($linkText, $linkBtn);
+
+          var isNewWindowChecked = linkInfo.isNewWindow !== undefined ? linkInfo.isNewWindow : _this.context.options.linkTargetBlank;
+          $openInNewWindow.prop('checked', isNewWindowChecked);
+          var useProtocolChecked = linkInfo.url ? false : _this.context.options.useProtocol;
+          $useProtocol.prop('checked', useProtocolChecked);
+          $linkBtn.one('click', function (event) {
+            event.preventDefault();
+            deferred.resolve({
+              range: linkInfo.range,
+              url: $linkUrl.val(),
+              text: $linkText.val(),
+              isNewWindow: $openInNewWindow.is(':checked'),
+              checkProtocol: $useProtocol.is(':checked')
+            });
+
+            _this.ui.hideDialog(_this.$dialog);
+          });
+        });
+
+        _this.ui.onDialogHidden(_this.$dialog, function () {
+          // detach events
+          $linkText.off();
+          $linkUrl.off();
+          $linkBtn.off();
+
+          if (deferred.state() === 'pending') {
+            deferred.reject();
+          }
+        });
+
+        _this.ui.showDialog(_this.$dialog);
+      }).promise();
+    }
+    /**
+     * @param {Object} layoutInfo
+     */
+
+  }, {
+    key: "show",
+    value: function show() {
+      var _this2 = this;
+
+      var linkInfo = this.context.invoke('editor.getLinkInfo');
+      this.context.invoke('editor.saveRange');
+      this.showLinkDialog(linkInfo).then(function (linkInfo) {
+        _this2.context.invoke('editor.restoreRange');
+
+        _this2.context.invoke('editor.createLink', linkInfo);
+      }).fail(function () {
+        _this2.context.invoke('editor.restoreRange');
+      });
+    }
+  }]);
+
+  return LinkDialog;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/LinkPopover.js
+function LinkPopover_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function LinkPopover_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function LinkPopover_createClass(Constructor, protoProps, staticProps) { if (protoProps) LinkPopover_defineProperties(Constructor.prototype, protoProps); if (staticProps) LinkPopover_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+var LinkPopover_LinkPopover = /*#__PURE__*/function () {
+  function LinkPopover(context) {
+    var _this = this;
+
+    LinkPopover_classCallCheck(this, LinkPopover);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.options = context.options;
+    this.events = {
+      'summernote.keyup summernote.mouseup summernote.change summernote.scroll': function summernoteKeyupSummernoteMouseupSummernoteChangeSummernoteScroll() {
+        _this.update();
+      },
+      'summernote.disable summernote.dialog.shown summernote.blur': function summernoteDisableSummernoteDialogShownSummernoteBlur() {
+        _this.hide();
+      }
+    };
+  }
+
+  LinkPopover_createClass(LinkPopover, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !lists.isEmpty(this.options.popover.link);
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      this.$popover = this.ui.popover({
+        className: 'note-link-popover',
+        callback: function callback($node) {
+          var $content = $node.find('.popover-content,.note-popover-content');
+          $content.prepend('<span><a target="_blank"></a>&nbsp;</span>');
+        }
+      }).render().appendTo(this.options.container);
+      var $content = this.$popover.find('.popover-content,.note-popover-content');
+      this.context.invoke('buttons.build', $content, this.options.popover.link);
+      this.$popover.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$popover.remove();
+    }
+  }, {
+    key: "update",
+    value: function update() {
+      // Prevent focusing on editable when invoke('code') is executed
+      if (!this.context.invoke('editor.hasFocus')) {
+        this.hide();
+        return;
+      }
+
+      var rng = this.context.invoke('editor.getLastRange');
+
+      if (rng.isCollapsed() && rng.isOnAnchor()) {
+        var anchor = dom.ancestor(rng.sc, dom.isAnchor);
+        var href = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(anchor).attr('href');
+        this.$popover.find('a').attr('href', href).text(href);
+        var pos = dom.posFromPlaceholder(anchor);
+        var containerOffset = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.container).offset();
+        pos.top -= containerOffset.top;
+        pos.left -= containerOffset.left;
+        this.$popover.css({
+          display: 'block',
+          left: pos.left,
+          top: pos.top
+        });
+      } else {
+        this.hide();
+      }
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      this.$popover.hide();
+    }
+  }]);
+
+  return LinkPopover;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/ImageDialog.js
+function ImageDialog_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function ImageDialog_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function ImageDialog_createClass(Constructor, protoProps, staticProps) { if (protoProps) ImageDialog_defineProperties(Constructor.prototype, protoProps); if (staticProps) ImageDialog_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+var ImageDialog_ImageDialog = /*#__PURE__*/function () {
+  function ImageDialog(context) {
+    ImageDialog_classCallCheck(this, ImageDialog);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$body = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document.body);
+    this.$editor = context.layoutInfo.editor;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+  }
+
+  ImageDialog_createClass(ImageDialog, [{
+    key: "initialize",
+    value: function initialize() {
+      var imageLimitation = '';
+
+      if (this.options.maximumImageFileSize) {
+        var unit = Math.floor(Math.log(this.options.maximumImageFileSize) / Math.log(1024));
+        var readableSize = (this.options.maximumImageFileSize / Math.pow(1024, unit)).toFixed(2) * 1 + ' ' + ' KMGTP'[unit] + 'B';
+        imageLimitation = "<small>".concat(this.lang.image.maximumFileSize + ' : ' + readableSize, "</small>");
+      }
+
+      var $container = this.options.dialogsInBody ? this.$body : this.options.container;
+      var body = ['<div class="form-group note-form-group note-group-select-from-files">', '<label for="note-dialog-image-file-' + this.options.id + '" class="note-form-label">' + this.lang.image.selectFromFiles + '</label>', '<input id="note-dialog-image-file-' + this.options.id + '" class="note-image-input form-control-file note-form-control note-input" ', ' type="file" name="files" accept="image/*" multiple="multiple"/>', imageLimitation, '</div>', '<div class="form-group note-group-image-url">', '<label for="note-dialog-image-url-' + this.options.id + '" class="note-form-label">' + this.lang.image.url + '</label>', '<input id="note-dialog-image-url-' + this.options.id + '" class="note-image-url form-control note-form-control note-input" type="text"/>', '</div>'].join('');
+      var buttonClass = 'btn btn-primary note-btn note-btn-primary note-image-btn';
+      var footer = "<input type=\"button\" href=\"#\" class=\"".concat(buttonClass, "\" value=\"").concat(this.lang.image.insert, "\" disabled>");
+      this.$dialog = this.ui.dialog({
+        title: this.lang.image.insert,
+        fade: this.options.dialogsFade,
+        body: body,
+        footer: footer
+      }).render().appendTo($container);
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.ui.hideDialog(this.$dialog);
+      this.$dialog.remove();
+    }
+  }, {
+    key: "bindEnterKey",
+    value: function bindEnterKey($input, $btn) {
+      $input.on('keypress', function (event) {
+        if (event.keyCode === core_key.code.ENTER) {
+          event.preventDefault();
+          $btn.trigger('click');
+        }
+      });
+    }
+  }, {
+    key: "show",
+    value: function show() {
+      var _this = this;
+
+      this.context.invoke('editor.saveRange');
+      this.showImageDialog().then(function (data) {
+        // [workaround] hide dialog before restore range for IE range focus
+        _this.ui.hideDialog(_this.$dialog);
+
+        _this.context.invoke('editor.restoreRange');
+
+        if (typeof data === 'string') {
+          // image url
+          // If onImageLinkInsert set,
+          if (_this.options.callbacks.onImageLinkInsert) {
+            _this.context.triggerEvent('image.link.insert', data);
+          } else {
+            _this.context.invoke('editor.insertImage', data);
+          }
+        } else {
+          // array of files
+          _this.context.invoke('editor.insertImagesOrCallback', data);
+        }
+      }).fail(function () {
+        _this.context.invoke('editor.restoreRange');
+      });
+    }
+    /**
+     * show image dialog
+     *
+     * @param {jQuery} $dialog
+     * @return {Promise}
+     */
+
+  }, {
+    key: "showImageDialog",
+    value: function showImageDialog() {
+      var _this2 = this;
+
+      return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+        var $imageInput = _this2.$dialog.find('.note-image-input');
+
+        var $imageUrl = _this2.$dialog.find('.note-image-url');
+
+        var $imageBtn = _this2.$dialog.find('.note-image-btn');
+
+        _this2.ui.onDialogShown(_this2.$dialog, function () {
+          _this2.context.triggerEvent('dialog.shown'); // Cloning imageInput to clear element.
+
+
+          $imageInput.replaceWith($imageInput.clone().on('change', function (event) {
+            deferred.resolve(event.target.files || event.target.value);
+          }).val(''));
+          $imageUrl.on('input paste propertychange', function () {
+            _this2.ui.toggleBtn($imageBtn, $imageUrl.val());
+          }).val('');
+
+          if (!env.isSupportTouch) {
+            $imageUrl.trigger('focus');
+          }
+
+          $imageBtn.click(function (event) {
+            event.preventDefault();
+            deferred.resolve($imageUrl.val());
+          });
+
+          _this2.bindEnterKey($imageUrl, $imageBtn);
+        });
+
+        _this2.ui.onDialogHidden(_this2.$dialog, function () {
+          $imageInput.off();
+          $imageUrl.off();
+          $imageBtn.off();
+
+          if (deferred.state() === 'pending') {
+            deferred.reject();
+          }
+        });
+
+        _this2.ui.showDialog(_this2.$dialog);
+      });
+    }
+  }]);
+
+  return ImageDialog;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/ImagePopover.js
+function ImagePopover_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function ImagePopover_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function ImagePopover_createClass(Constructor, protoProps, staticProps) { if (protoProps) ImagePopover_defineProperties(Constructor.prototype, protoProps); if (staticProps) ImagePopover_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+/**
+ * Image popover module
+ *  mouse events that show/hide popover will be handled by Handle.js.
+ *  Handle.js will receive the events and invoke 'imagePopover.update'.
+ */
+
+var ImagePopover_ImagePopover = /*#__PURE__*/function () {
+  function ImagePopover(context) {
+    var _this = this;
+
+    ImagePopover_classCallCheck(this, ImagePopover);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.editable = context.layoutInfo.editable[0];
+    this.options = context.options;
+    this.events = {
+      'summernote.disable summernote.blur': function summernoteDisableSummernoteBlur() {
+        _this.hide();
+      }
+    };
+  }
+
+  ImagePopover_createClass(ImagePopover, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !lists.isEmpty(this.options.popover.image);
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      this.$popover = this.ui.popover({
+        className: 'note-image-popover'
+      }).render().appendTo(this.options.container);
+      var $content = this.$popover.find('.popover-content,.note-popover-content');
+      this.context.invoke('buttons.build', $content, this.options.popover.image);
+      this.$popover.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$popover.remove();
+    }
+  }, {
+    key: "update",
+    value: function update(target, event) {
+      if (dom.isImg(target)) {
+        var position = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(target).offset();
+        var containerOffset = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.container).offset();
+        var pos = {};
+
+        if (this.options.popatmouse) {
+          pos.left = event.pageX - 20;
+          pos.top = event.pageY;
+        } else {
+          pos = position;
+        }
+
+        pos.top -= containerOffset.top;
+        pos.left -= containerOffset.left;
+        this.$popover.css({
+          display: 'block',
+          left: pos.left,
+          top: pos.top
+        });
+      } else {
+        this.hide();
+      }
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      this.$popover.hide();
+    }
+  }]);
+
+  return ImagePopover;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/TablePopover.js
+function TablePopover_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function TablePopover_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function TablePopover_createClass(Constructor, protoProps, staticProps) { if (protoProps) TablePopover_defineProperties(Constructor.prototype, protoProps); if (staticProps) TablePopover_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+var TablePopover_TablePopover = /*#__PURE__*/function () {
+  function TablePopover(context) {
+    var _this = this;
+
+    TablePopover_classCallCheck(this, TablePopover);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.options = context.options;
+    this.events = {
+      'summernote.mousedown': function summernoteMousedown(we, e) {
+        _this.update(e.target);
+      },
+      'summernote.keyup summernote.scroll summernote.change': function summernoteKeyupSummernoteScrollSummernoteChange() {
+        _this.update();
+      },
+      'summernote.disable summernote.blur': function summernoteDisableSummernoteBlur() {
+        _this.hide();
+      }
+    };
+  }
+
+  TablePopover_createClass(TablePopover, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return !lists.isEmpty(this.options.popover.table);
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      this.$popover = this.ui.popover({
+        className: 'note-table-popover'
+      }).render().appendTo(this.options.container);
+      var $content = this.$popover.find('.popover-content,.note-popover-content');
+      this.context.invoke('buttons.build', $content, this.options.popover.table); // [workaround] Disable Firefox's default table editor
+
+      if (env.isFF) {
+        document.execCommand('enableInlineTableEditing', false, false);
+      }
+
+      this.$popover.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$popover.remove();
+    }
+  }, {
+    key: "update",
+    value: function update(target) {
+      if (this.context.isDisabled()) {
+        return false;
+      }
+
+      var isCell = dom.isCell(target);
+
+      if (isCell) {
+        var pos = dom.posFromPlaceholder(target);
+        var containerOffset = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.container).offset();
+        pos.top -= containerOffset.top;
+        pos.left -= containerOffset.left;
+        this.$popover.css({
+          display: 'block',
+          left: pos.left,
+          top: pos.top
+        });
+      } else {
+        this.hide();
+      }
+
+      return isCell;
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      this.$popover.hide();
+    }
+  }]);
+
+  return TablePopover;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/VideoDialog.js
+function VideoDialog_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function VideoDialog_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function VideoDialog_createClass(Constructor, protoProps, staticProps) { if (protoProps) VideoDialog_defineProperties(Constructor.prototype, protoProps); if (staticProps) VideoDialog_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+var VideoDialog_VideoDialog = /*#__PURE__*/function () {
+  function VideoDialog(context) {
+    VideoDialog_classCallCheck(this, VideoDialog);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$body = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document.body);
+    this.$editor = context.layoutInfo.editor;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+  }
+
+  VideoDialog_createClass(VideoDialog, [{
+    key: "initialize",
+    value: function initialize() {
+      var $container = this.options.dialogsInBody ? this.$body : this.options.container;
+      var body = ['<div class="form-group note-form-group row-fluid">', "<label for=\"note-dialog-video-url-".concat(this.options.id, "\" class=\"note-form-label\">").concat(this.lang.video.url, " <small class=\"text-muted\">").concat(this.lang.video.providers, "</small></label>"), "<input id=\"note-dialog-video-url-".concat(this.options.id, "\" class=\"note-video-url form-control note-form-control note-input\" type=\"text\"/>"), '</div>'].join('');
+      var buttonClass = 'btn btn-primary note-btn note-btn-primary note-video-btn';
+      var footer = "<input type=\"button\" href=\"#\" class=\"".concat(buttonClass, "\" value=\"").concat(this.lang.video.insert, "\" disabled>");
+      this.$dialog = this.ui.dialog({
+        title: this.lang.video.insert,
+        fade: this.options.dialogsFade,
+        body: body,
+        footer: footer
+      }).render().appendTo($container);
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.ui.hideDialog(this.$dialog);
+      this.$dialog.remove();
+    }
+  }, {
+    key: "bindEnterKey",
+    value: function bindEnterKey($input, $btn) {
+      $input.on('keypress', function (event) {
+        if (event.keyCode === core_key.code.ENTER) {
+          event.preventDefault();
+          $btn.trigger('click');
+        }
+      });
+    }
+  }, {
+    key: "createVideoNode",
+    value: function createVideoNode(url) {
+      // video url patterns(youtube, instagram, vimeo, dailymotion, youku, mp4, ogg, webm)
+      var ytRegExp = /\/\/(?:(?:www|m)\.)?(?:youtu\.be\/|youtube\.com\/(?:embed\/|v\/|watch\?v=|watch\?.+&v=))([\w|-]{11})(?:(?:[\?&]t=)(\S+))?$/;
+      var ytRegExpForStart = /^(?:(\d+)h)?(?:(\d+)m)?(?:(\d+)s)?$/;
+      var ytMatch = url.match(ytRegExp);
+      var igRegExp = /(?:www\.|\/\/)instagram\.com\/p\/(.[a-zA-Z0-9_-]*)/;
+      var igMatch = url.match(igRegExp);
+      var vRegExp = /\/\/vine\.co\/v\/([a-zA-Z0-9]+)/;
+      var vMatch = url.match(vRegExp);
+      var vimRegExp = /\/\/(player\.)?vimeo\.com\/([a-z]*\/)*(\d+)[?]?.*/;
+      var vimMatch = url.match(vimRegExp);
+      var dmRegExp = /.+dailymotion.com\/(video|hub)\/([^_]+)[^#]*(#video=([^_&]+))?/;
+      var dmMatch = url.match(dmRegExp);
+      var youkuRegExp = /\/\/v\.youku\.com\/v_show\/id_(\w+)=*\.html/;
+      var youkuMatch = url.match(youkuRegExp);
+      var qqRegExp = /\/\/v\.qq\.com.*?vid=(.+)/;
+      var qqMatch = url.match(qqRegExp);
+      var qqRegExp2 = /\/\/v\.qq\.com\/x?\/?(page|cover).*?\/([^\/]+)\.html\??.*/;
+      var qqMatch2 = url.match(qqRegExp2);
+      var mp4RegExp = /^.+.(mp4|m4v)$/;
+      var mp4Match = url.match(mp4RegExp);
+      var oggRegExp = /^.+.(ogg|ogv)$/;
+      var oggMatch = url.match(oggRegExp);
+      var webmRegExp = /^.+.(webm)$/;
+      var webmMatch = url.match(webmRegExp);
+      var fbRegExp = /(?:www\.|\/\/)facebook\.com\/([^\/]+)\/videos\/([0-9]+)/;
+      var fbMatch = url.match(fbRegExp);
+      var $video;
+
+      if (ytMatch && ytMatch[1].length === 11) {
+        var youtubeId = ytMatch[1];
+        var start = 0;
+
+        if (typeof ytMatch[2] !== 'undefined') {
+          var ytMatchForStart = ytMatch[2].match(ytRegExpForStart);
+
+          if (ytMatchForStart) {
+            for (var n = [3600, 60, 1], i = 0, r = n.length; i < r; i++) {
+              start += typeof ytMatchForStart[i + 1] !== 'undefined' ? n[i] * parseInt(ytMatchForStart[i + 1], 10) : 0;
+            }
+          }
+        }
+
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe>').attr('frameborder', 0).attr('src', '//www.youtube.com/embed/' + youtubeId + (start > 0 ? '?start=' + start : '')).attr('width', '640').attr('height', '360');
+      } else if (igMatch && igMatch[0].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe>').attr('frameborder', 0).attr('src', 'https://instagram.com/p/' + igMatch[1] + '/embed/').attr('width', '612').attr('height', '710').attr('scrolling', 'no').attr('allowtransparency', 'true');
+      } else if (vMatch && vMatch[0].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe>').attr('frameborder', 0).attr('src', vMatch[0] + '/embed/simple').attr('width', '600').attr('height', '600').attr('class', 'vine-embed');
+      } else if (vimMatch && vimMatch[3].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe webkitallowfullscreen mozallowfullscreen allowfullscreen>').attr('frameborder', 0).attr('src', '//player.vimeo.com/video/' + vimMatch[3]).attr('width', '640').attr('height', '360');
+      } else if (dmMatch && dmMatch[2].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe>').attr('frameborder', 0).attr('src', '//www.dailymotion.com/embed/video/' + dmMatch[2]).attr('width', '640').attr('height', '360');
+      } else if (youkuMatch && youkuMatch[1].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe webkitallowfullscreen mozallowfullscreen allowfullscreen>').attr('frameborder', 0).attr('height', '498').attr('width', '510').attr('src', '//player.youku.com/embed/' + youkuMatch[1]);
+      } else if (qqMatch && qqMatch[1].length || qqMatch2 && qqMatch2[2].length) {
+        var vid = qqMatch && qqMatch[1].length ? qqMatch[1] : qqMatch2[2];
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe webkitallowfullscreen mozallowfullscreen allowfullscreen>').attr('frameborder', 0).attr('height', '310').attr('width', '500').attr('src', 'https://v.qq.com/txp/iframe/player.html?vid=' + vid + '&amp;auto=0');
+      } else if (mp4Match || oggMatch || webmMatch) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<video controls>').attr('src', url).attr('width', '640').attr('height', '360');
+      } else if (fbMatch && fbMatch[0].length) {
+        $video = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<iframe>').attr('frameborder', 0).attr('src', 'https://www.facebook.com/plugins/video.php?href=' + encodeURIComponent(fbMatch[0]) + '&show_text=0&width=560').attr('width', '560').attr('height', '301').attr('scrolling', 'no').attr('allowtransparency', 'true');
+      } else {
+        // this is not a known video link. Now what, Cat? Now what?
+        return false;
+      }
+
+      $video.addClass('note-video-clip');
+      return $video[0];
+    }
+  }, {
+    key: "show",
+    value: function show() {
+      var _this = this;
+
+      var text = this.context.invoke('editor.getSelectedText');
+      this.context.invoke('editor.saveRange');
+      this.showVideoDialog(text).then(function (url) {
+        // [workaround] hide dialog before restore range for IE range focus
+        _this.ui.hideDialog(_this.$dialog);
+
+        _this.context.invoke('editor.restoreRange'); // build node
+
+
+        var $node = _this.createVideoNode(url);
+
+        if ($node) {
+          // insert video node
+          _this.context.invoke('editor.insertNode', $node);
+        }
+      }).fail(function () {
+        _this.context.invoke('editor.restoreRange');
+      });
+    }
+    /**
+     * show video dialog
+     *
+     * @param {jQuery} $dialog
+     * @return {Promise}
+     */
+
+  }, {
+    key: "showVideoDialog",
+    value: function showVideoDialog()
+    /* text */
+    {
+      var _this2 = this;
+
+      return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+        var $videoUrl = _this2.$dialog.find('.note-video-url');
+
+        var $videoBtn = _this2.$dialog.find('.note-video-btn');
+
+        _this2.ui.onDialogShown(_this2.$dialog, function () {
+          _this2.context.triggerEvent('dialog.shown');
+
+          $videoUrl.on('input paste propertychange', function () {
+            _this2.ui.toggleBtn($videoBtn, $videoUrl.val());
+          });
+
+          if (!env.isSupportTouch) {
+            $videoUrl.trigger('focus');
+          }
+
+          $videoBtn.click(function (event) {
+            event.preventDefault();
+            deferred.resolve($videoUrl.val());
+          });
+
+          _this2.bindEnterKey($videoUrl, $videoBtn);
+        });
+
+        _this2.ui.onDialogHidden(_this2.$dialog, function () {
+          $videoUrl.off();
+          $videoBtn.off();
+
+          if (deferred.state() === 'pending') {
+            deferred.reject();
+          }
+        });
+
+        _this2.ui.showDialog(_this2.$dialog);
+      });
+    }
+  }]);
+
+  return VideoDialog;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/HelpDialog.js
+function HelpDialog_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function HelpDialog_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function HelpDialog_createClass(Constructor, protoProps, staticProps) { if (protoProps) HelpDialog_defineProperties(Constructor.prototype, protoProps); if (staticProps) HelpDialog_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+var HelpDialog_HelpDialog = /*#__PURE__*/function () {
+  function HelpDialog(context) {
+    HelpDialog_classCallCheck(this, HelpDialog);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$body = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(document.body);
+    this.$editor = context.layoutInfo.editor;
+    this.options = context.options;
+    this.lang = this.options.langInfo;
+  }
+
+  HelpDialog_createClass(HelpDialog, [{
+    key: "initialize",
+    value: function initialize() {
+      var $container = this.options.dialogsInBody ? this.$body : this.options.container;
+      var body = ['<p class="text-center">', '<a href="http://summernote.org/" target="_blank">Summernote 0.8.18</a> · ', '<a href="https://github.com/summernote/summernote" target="_blank">Project</a> · ', '<a href="https://github.com/summernote/summernote/issues" target="_blank">Issues</a>', '</p>'].join('');
+      this.$dialog = this.ui.dialog({
+        title: this.lang.options.help,
+        fade: this.options.dialogsFade,
+        body: this.createShortcutList(),
+        footer: body,
+        callback: function callback($node) {
+          $node.find('.modal-body,.note-modal-body').css({
+            'max-height': 300,
+            'overflow': 'scroll'
+          });
+        }
+      }).render().appendTo($container);
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.ui.hideDialog(this.$dialog);
+      this.$dialog.remove();
+    }
+  }, {
+    key: "createShortcutList",
+    value: function createShortcutList() {
+      var _this = this;
+
+      var keyMap = this.options.keyMap[env.isMac ? 'mac' : 'pc'];
+      return Object.keys(keyMap).map(function (key) {
+        var command = keyMap[key];
+        var $row = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div><div class="help-list-item"></div></div>');
+        $row.append(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<label><kbd>' + key + '</kdb></label>').css({
+          'width': 180,
+          'margin-right': 10
+        })).append(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<span/>').html(_this.context.memo('help.' + command) || command));
+        return $row.html();
+      }).join('');
+    }
+    /**
+     * show help dialog
+     *
+     * @return {Promise}
+     */
+
+  }, {
+    key: "showHelpDialog",
+    value: function showHelpDialog() {
+      var _this2 = this;
+
+      return external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.Deferred(function (deferred) {
+        _this2.ui.onDialogShown(_this2.$dialog, function () {
+          _this2.context.triggerEvent('dialog.shown');
+
+          deferred.resolve();
+        });
+
+        _this2.ui.showDialog(_this2.$dialog);
+      }).promise();
+    }
+  }, {
+    key: "show",
+    value: function show() {
+      var _this3 = this;
+
+      this.context.invoke('editor.saveRange');
+      this.showHelpDialog().then(function () {
+        _this3.context.invoke('editor.restoreRange');
+      });
+    }
+  }]);
+
+  return HelpDialog;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/AirPopover.js
+function AirPopover_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function AirPopover_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function AirPopover_createClass(Constructor, protoProps, staticProps) { if (protoProps) AirPopover_defineProperties(Constructor.prototype, protoProps); if (staticProps) AirPopover_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+var AIRMODE_POPOVER_X_OFFSET = -5;
+var AIRMODE_POPOVER_Y_OFFSET = 5;
+
+var AirPopover_AirPopover = /*#__PURE__*/function () {
+  function AirPopover(context) {
+    var _this = this;
+
+    AirPopover_classCallCheck(this, AirPopover);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.options = context.options;
+    this.hidable = true;
+    this.onContextmenu = false;
+    this.pageX = null;
+    this.pageY = null;
+    this.events = {
+      'summernote.contextmenu': function summernoteContextmenu(e) {
+        if (_this.options.editing) {
+          e.preventDefault();
+          e.stopPropagation();
+          _this.onContextmenu = true;
+
+          _this.update(true);
+        }
+      },
+      'summernote.mousedown': function summernoteMousedown(we, e) {
+        _this.pageX = e.pageX;
+        _this.pageY = e.pageY;
+      },
+      'summernote.keyup summernote.mouseup summernote.scroll': function summernoteKeyupSummernoteMouseupSummernoteScroll(we, e) {
+        if (_this.options.editing && !_this.onContextmenu) {
+          _this.pageX = e.pageX;
+          _this.pageY = e.pageY;
+
+          _this.update();
+        }
+
+        _this.onContextmenu = false;
+      },
+      'summernote.disable summernote.change summernote.dialog.shown summernote.blur': function summernoteDisableSummernoteChangeSummernoteDialogShownSummernoteBlur() {
+        _this.hide();
+      },
+      'summernote.focusout': function summernoteFocusout() {
+        if (!_this.$popover.is(':active,:focus')) {
+          _this.hide();
+        }
+      }
+    };
+  }
+
+  AirPopover_createClass(AirPopover, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return this.options.airMode && !lists.isEmpty(this.options.popover.air);
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      var _this2 = this;
+
+      this.$popover = this.ui.popover({
+        className: 'note-air-popover'
+      }).render().appendTo(this.options.container);
+      var $content = this.$popover.find('.popover-content');
+      this.context.invoke('buttons.build', $content, this.options.popover.air); // disable hiding this popover preemptively by 'summernote.blur' event.
+
+      this.$popover.on('mousedown', function () {
+        _this2.hidable = false;
+      }); // (re-)enable hiding after 'summernote.blur' has been handled (aka. ignored).
+
+      this.$popover.on('mouseup', function () {
+        _this2.hidable = true;
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$popover.remove();
+    }
+  }, {
+    key: "update",
+    value: function update(forcelyOpen) {
+      var styleInfo = this.context.invoke('editor.currentStyle');
+
+      if (styleInfo.range && (!styleInfo.range.isCollapsed() || forcelyOpen)) {
+        var rect = {
+          left: this.pageX,
+          top: this.pageY
+        };
+        var containerOffset = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.container).offset();
+        rect.top -= containerOffset.top;
+        rect.left -= containerOffset.left;
+        this.$popover.css({
+          display: 'block',
+          left: Math.max(rect.left, 0) + AIRMODE_POPOVER_X_OFFSET,
+          top: rect.top + AIRMODE_POPOVER_Y_OFFSET
+        });
+        this.context.invoke('buttons.updateCurrentStyle', this.$popover);
+      } else {
+        this.hide();
+      }
+    }
+  }, {
+    key: "updateCodeview",
+    value: function updateCodeview(isCodeview) {
+      this.ui.toggleBtnActive(this.$popover.find('.btn-codeview'), isCodeview);
+
+      if (isCodeview) {
+        this.hide();
+      }
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      if (this.hidable) {
+        this.$popover.hide();
+      }
+    }
+  }]);
+
+  return AirPopover;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/module/HintPopover.js
+function HintPopover_classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function HintPopover_defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function HintPopover_createClass(Constructor, protoProps, staticProps) { if (protoProps) HintPopover_defineProperties(Constructor.prototype, protoProps); if (staticProps) HintPopover_defineProperties(Constructor, staticProps); return Constructor; }
+
+
+
+
+
+
+
+var POPOVER_DIST = 5;
+
+var HintPopover_HintPopover = /*#__PURE__*/function () {
+  function HintPopover(context) {
+    var _this = this;
+
+    HintPopover_classCallCheck(this, HintPopover);
+
+    this.context = context;
+    this.ui = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.ui;
+    this.$editable = context.layoutInfo.editable;
+    this.options = context.options;
+    this.hint = this.options.hint || [];
+    this.direction = this.options.hintDirection || 'bottom';
+    this.hints = Array.isArray(this.hint) ? this.hint : [this.hint];
+    this.events = {
+      'summernote.keyup': function summernoteKeyup(we, e) {
+        if (!e.isDefaultPrevented()) {
+          _this.handleKeyup(e);
+        }
+      },
+      'summernote.keydown': function summernoteKeydown(we, e) {
+        _this.handleKeydown(e);
+      },
+      'summernote.disable summernote.dialog.shown summernote.blur': function summernoteDisableSummernoteDialogShownSummernoteBlur() {
+        _this.hide();
+      }
+    };
+  }
+
+  HintPopover_createClass(HintPopover, [{
+    key: "shouldInitialize",
+    value: function shouldInitialize() {
+      return this.hints.length > 0;
+    }
+  }, {
+    key: "initialize",
+    value: function initialize() {
+      var _this2 = this;
+
+      this.lastWordRange = null;
+      this.matchingWord = null;
+      this.$popover = this.ui.popover({
+        className: 'note-hint-popover',
+        hideArrow: true,
+        direction: ''
+      }).render().appendTo(this.options.container);
+      this.$popover.hide();
+      this.$content = this.$popover.find('.popover-content,.note-popover-content');
+      this.$content.on('click', '.note-hint-item', function (e) {
+        _this2.$content.find('.active').removeClass('active');
+
+        external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(e.currentTarget).addClass('active');
+
+        _this2.replace();
+      });
+      this.$popover.on('mousedown', function (e) {
+        e.preventDefault();
+      });
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      this.$popover.remove();
+    }
+  }, {
+    key: "selectItem",
+    value: function selectItem($item) {
+      this.$content.find('.active').removeClass('active');
+      $item.addClass('active');
+      this.$content[0].scrollTop = $item[0].offsetTop - this.$content.innerHeight() / 2;
+    }
+  }, {
+    key: "moveDown",
+    value: function moveDown() {
+      var $current = this.$content.find('.note-hint-item.active');
+      var $next = $current.next();
+
+      if ($next.length) {
+        this.selectItem($next);
+      } else {
+        var $nextGroup = $current.parent().next();
+
+        if (!$nextGroup.length) {
+          $nextGroup = this.$content.find('.note-hint-group').first();
+        }
+
+        this.selectItem($nextGroup.find('.note-hint-item').first());
+      }
+    }
+  }, {
+    key: "moveUp",
+    value: function moveUp() {
+      var $current = this.$content.find('.note-hint-item.active');
+      var $prev = $current.prev();
+
+      if ($prev.length) {
+        this.selectItem($prev);
+      } else {
+        var $prevGroup = $current.parent().prev();
+
+        if (!$prevGroup.length) {
+          $prevGroup = this.$content.find('.note-hint-group').last();
+        }
+
+        this.selectItem($prevGroup.find('.note-hint-item').last());
+      }
+    }
+  }, {
+    key: "replace",
+    value: function replace() {
+      var $item = this.$content.find('.note-hint-item.active');
+
+      if ($item.length) {
+        var node = this.nodeFromItem($item); // If matchingWord length = 0 -> capture OK / open hint / but as mention capture "" (\w*)
+
+        if (this.matchingWord !== null && this.matchingWord.length === 0) {
+          this.lastWordRange.so = this.lastWordRange.eo; // Else si > 0 and normal case -> adjust range "before" for correct position of insertion
+        } else if (this.matchingWord !== null && this.matchingWord.length > 0 && !this.lastWordRange.isCollapsed()) {
+          var rangeCompute = this.lastWordRange.eo - this.lastWordRange.so - this.matchingWord.length;
+
+          if (rangeCompute > 0) {
+            this.lastWordRange.so += rangeCompute;
+          }
+        }
+
+        this.lastWordRange.insertNode(node);
+
+        if (this.options.hintSelect === 'next') {
+          var blank = document.createTextNode('');
+          external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(node).after(blank);
+          range.createFromNodeBefore(blank).select();
+        } else {
+          range.createFromNodeAfter(node).select();
+        }
+
+        this.lastWordRange = null;
+        this.hide();
+        this.context.invoke('editor.focus');
+      }
+    }
+  }, {
+    key: "nodeFromItem",
+    value: function nodeFromItem($item) {
+      var hint = this.hints[$item.data('index')];
+      var item = $item.data('item');
+      var node = hint.content ? hint.content(item) : item;
+
+      if (typeof node === 'string') {
+        node = dom.createText(node);
+      }
+
+      return node;
+    }
+  }, {
+    key: "createItemTemplates",
+    value: function createItemTemplates(hintIdx, items) {
+      var hint = this.hints[hintIdx];
+      return items.map(function (item
+      /*, idx */
+      ) {
+        var $item = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div class="note-hint-item"/>');
+        $item.append(hint.template ? hint.template(item) : item + '');
+        $item.data({
+          'index': hintIdx,
+          'item': item
+        });
+        return $item;
+      });
+    }
+  }, {
+    key: "handleKeydown",
+    value: function handleKeydown(e) {
+      if (!this.$popover.is(':visible')) {
+        return;
+      }
+
+      if (e.keyCode === core_key.code.ENTER) {
+        e.preventDefault();
+        this.replace();
+      } else if (e.keyCode === core_key.code.UP) {
+        e.preventDefault();
+        this.moveUp();
+      } else if (e.keyCode === core_key.code.DOWN) {
+        e.preventDefault();
+        this.moveDown();
+      }
+    }
+  }, {
+    key: "searchKeyword",
+    value: function searchKeyword(index, keyword, callback) {
+      var hint = this.hints[index];
+
+      if (hint && hint.match.test(keyword) && hint.search) {
+        var matches = hint.match.exec(keyword);
+        this.matchingWord = matches[0];
+        hint.search(matches[1], callback);
+      } else {
+        callback();
+      }
+    }
+  }, {
+    key: "createGroup",
+    value: function createGroup(idx, keyword) {
+      var _this3 = this;
+
+      var $group = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()('<div class="note-hint-group note-hint-group-' + idx + '"></div>');
+      this.searchKeyword(idx, keyword, function (items) {
+        items = items || [];
+
+        if (items.length) {
+          $group.html(_this3.createItemTemplates(idx, items));
+
+          _this3.show();
+        }
+      });
+      return $group;
+    }
+  }, {
+    key: "handleKeyup",
+    value: function handleKeyup(e) {
+      var _this4 = this;
+
+      if (!lists.contains([core_key.code.ENTER, core_key.code.UP, core_key.code.DOWN], e.keyCode)) {
+        var _range = this.context.invoke('editor.getLastRange');
+
+        var wordRange, keyword;
+
+        if (this.options.hintMode === 'words') {
+          wordRange = _range.getWordsRange(_range);
+          keyword = wordRange.toString();
+          this.hints.forEach(function (hint) {
+            if (hint.match.test(keyword)) {
+              wordRange = _range.getWordsMatchRange(hint.match);
+              return false;
+            }
+          });
+
+          if (!wordRange) {
+            this.hide();
+            return;
+          }
+
+          keyword = wordRange.toString();
+        } else {
+          wordRange = _range.getWordRange();
+          keyword = wordRange.toString();
+        }
+
+        if (this.hints.length && keyword) {
+          this.$content.empty();
+          var bnd = func.rect2bnd(lists.last(wordRange.getClientRects()));
+          var containerOffset = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(this.options.container).offset();
+
+          if (bnd) {
+            bnd.top -= containerOffset.top;
+            bnd.left -= containerOffset.left;
+            this.$popover.hide();
+            this.lastWordRange = wordRange;
+            this.hints.forEach(function (hint, idx) {
+              if (hint.match.test(keyword)) {
+                _this4.createGroup(idx, keyword).appendTo(_this4.$content);
+              }
+            }); // select first .note-hint-item
+
+            this.$content.find('.note-hint-item:first').addClass('active'); // set position for popover after group is created
+
+            if (this.direction === 'top') {
+              this.$popover.css({
+                left: bnd.left,
+                top: bnd.top - this.$popover.outerHeight() - POPOVER_DIST
+              });
+            } else {
+              this.$popover.css({
+                left: bnd.left,
+                top: bnd.top + bnd.height + POPOVER_DIST
+              });
+            }
+          }
+        } else {
+          this.hide();
+        }
+      }
+    }
+  }, {
+    key: "show",
+    value: function show() {
+      this.$popover.show();
+    }
+  }, {
+    key: "hide",
+    value: function hide() {
+      this.$popover.hide();
+    }
+  }]);
+
+  return HintPopover;
+}();
+
+
+// CONCATENATED MODULE: ./src/js/base/settings.js
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote, {
+  version: '0.8.18',
+  plugins: {},
+  dom: dom,
+  range: range,
+  lists: lists,
+  options: {
+    langInfo: external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote.lang['en-US'],
+    editing: true,
+    modules: {
+      'editor': Editor_Editor,
+      'clipboard': Clipboard_Clipboard,
+      'dropzone': Dropzone_Dropzone,
+      'codeview': Codeview_CodeView,
+      'statusbar': Statusbar_Statusbar,
+      'fullscreen': Fullscreen_Fullscreen,
+      'handle': Handle_Handle,
+      // FIXME: HintPopover must be front of autolink
+      //  - Script error about range when Enter key is pressed on hint popover
+      'hintPopover': HintPopover_HintPopover,
+      'autoLink': AutoLink_AutoLink,
+      'autoSync': AutoSync_AutoSync,
+      'autoReplace': AutoReplace_AutoReplace,
+      'placeholder': Placeholder_Placeholder,
+      'buttons': Buttons_Buttons,
+      'toolbar': Toolbar_Toolbar,
+      'linkDialog': LinkDialog_LinkDialog,
+      'linkPopover': LinkPopover_LinkPopover,
+      'imageDialog': ImageDialog_ImageDialog,
+      'imagePopover': ImagePopover_ImagePopover,
+      'tablePopover': TablePopover_TablePopover,
+      'videoDialog': VideoDialog_VideoDialog,
+      'helpDialog': HelpDialog_HelpDialog,
+      'airPopover': AirPopover_AirPopover
+    },
+    buttons: {},
+    lang: 'en-US',
+    followingToolbar: false,
+    toolbarPosition: 'top',
+    otherStaticBar: '',
+    // toolbar
+    codeviewKeepButton: false,
+    toolbar: [['style', ['style']], ['font', ['bold', 'underline', 'clear']], ['fontname', ['fontname']], ['color', ['color']], ['para', ['ul', 'ol', 'paragraph']], ['table', ['table']], ['insert', ['link', 'picture', 'video']], ['view', ['fullscreen', 'codeview', 'help']]],
+    // popover
+    popatmouse: true,
+    popover: {
+      image: [['resize', ['resizeFull', 'resizeHalf', 'resizeQuarter', 'resizeNone']], ['float', ['floatLeft', 'floatRight', 'floatNone']], ['remove', ['removeMedia']]],
+      link: [['link', ['linkDialogShow', 'unlink']]],
+      table: [['add', ['addRowDown', 'addRowUp', 'addColLeft', 'addColRight']], ['delete', ['deleteRow', 'deleteCol', 'deleteTable']]],
+      air: [['color', ['color']], ['font', ['bold', 'underline', 'clear']], ['para', ['ul', 'paragraph']], ['table', ['table']], ['insert', ['link', 'picture']], ['view', ['fullscreen', 'codeview']]]
+    },
+    // air mode: inline editor
+    airMode: false,
+    overrideContextMenu: false,
+    // TBD
+    width: null,
+    height: null,
+    linkTargetBlank: true,
+    useProtocol: true,
+    defaultProtocol: 'http://',
+    focus: false,
+    tabDisabled: false,
+    tabSize: 4,
+    styleWithCSS: false,
+    shortcuts: true,
+    textareaAutoSync: true,
+    tooltip: 'auto',
+    container: null,
+    maxTextLength: 0,
+    blockquoteBreakingLevel: 2,
+    spellCheck: true,
+    disableGrammar: false,
+    placeholder: null,
+    inheritPlaceholder: false,
+    // TODO: need to be documented
+    recordEveryKeystroke: false,
+    historyLimit: 200,
+    // TODO: need to be documented
+    showDomainOnlyForAutolink: false,
+    // TODO: need to be documented
+    hintMode: 'word',
+    hintSelect: 'after',
+    hintDirection: 'bottom',
+    styleTags: ['p', 'blockquote', 'pre', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
+    fontNames: ['Arial', 'Arial Black', 'Comic Sans MS', 'Courier New', 'Helvetica Neue', 'Helvetica', 'Impact', 'Lucida Grande', 'Tahoma', 'Times New Roman', 'Verdana'],
+    fontNamesIgnoreCheck: [],
+    addDefaultFonts: true,
+    fontSizes: ['8', '9', '10', '11', '12', '14', '18', '24', '36'],
+    fontSizeUnits: ['px', 'pt'],
+    // pallete colors(n x n)
+    colors: [['#000000', '#424242', '#636363', '#9C9C94', '#CEC6CE', '#EFEFEF', '#F7F7F7', '#FFFFFF'], ['#FF0000', '#FF9C00', '#FFFF00', '#00FF00', '#00FFFF', '#0000FF', '#9C00FF', '#FF00FF'], ['#F7C6CE', '#FFE7CE', '#FFEFC6', '#D6EFD6', '#CEDEE7', '#CEE7F7', '#D6D6E7', '#E7D6DE'], ['#E79C9C', '#FFC69C', '#FFE79C', '#B5D6A5', '#A5C6CE', '#9CC6EF', '#B5A5D6', '#D6A5BD'], ['#E76363', '#F7AD6B', '#FFD663', '#94BD7B', '#73A5AD', '#6BADDE', '#8C7BC6', '#C67BA5'], ['#CE0000', '#E79439', '#EFC631', '#6BA54A', '#4A7B8C', '#3984C6', '#634AA5', '#A54A7B'], ['#9C0000', '#B56308', '#BD9400', '#397B21', '#104A5A', '#085294', '#311873', '#731842'], ['#630000', '#7B3900', '#846300', '#295218', '#083139', '#003163', '#21104A', '#4A1031']],
+    // http://chir.ag/projects/name-that-color/
+    colorsName: [['Black', 'Tundora', 'Dove Gray', 'Star Dust', 'Pale Slate', 'Gallery', 'Alabaster', 'White'], ['Red', 'Orange Peel', 'Yellow', 'Green', 'Cyan', 'Blue', 'Electric Violet', 'Magenta'], ['Azalea', 'Karry', 'Egg White', 'Zanah', 'Botticelli', 'Tropical Blue', 'Mischka', 'Twilight'], ['Tonys Pink', 'Peach Orange', 'Cream Brulee', 'Sprout', 'Casper', 'Perano', 'Cold Purple', 'Careys Pink'], ['Mandy', 'Rajah', 'Dandelion', 'Olivine', 'Gulf Stream', 'Viking', 'Blue Marguerite', 'Puce'], ['Guardsman Red', 'Fire Bush', 'Golden Dream', 'Chelsea Cucumber', 'Smalt Blue', 'Boston Blue', 'Butterfly Bush', 'Cadillac'], ['Sangria', 'Mai Tai', 'Buddha Gold', 'Forest Green', 'Eden', 'Venice Blue', 'Meteorite', 'Claret'], ['Rosewood', 'Cinnamon', 'Olive', 'Parsley', 'Tiber', 'Midnight Blue', 'Valentino', 'Loulou']],
+    colorButton: {
+      foreColor: '#000000',
+      backColor: '#FFFF00'
+    },
+    lineHeights: ['1.0', '1.2', '1.4', '1.5', '1.6', '1.8', '2.0', '3.0'],
+    tableClassName: 'table table-bordered',
+    insertTableMaxSize: {
+      col: 10,
+      row: 10
+    },
+    // By default, dialogs are attached in container.
+    dialogsInBody: false,
+    dialogsFade: false,
+    maximumImageFileSize: null,
+    callbacks: {
+      onBeforeCommand: null,
+      onBlur: null,
+      onBlurCodeview: null,
+      onChange: null,
+      onChangeCodeview: null,
+      onDialogShown: null,
+      onEnter: null,
+      onFocus: null,
+      onImageLinkInsert: null,
+      onImageUpload: null,
+      onImageUploadError: null,
+      onInit: null,
+      onKeydown: null,
+      onKeyup: null,
+      onMousedown: null,
+      onMouseup: null,
+      onPaste: null,
+      onScroll: null
+    },
+    codemirror: {
+      mode: 'text/html',
+      htmlMode: true,
+      lineNumbers: true
+    },
+    codeviewFilter: false,
+    codeviewFilterRegex: /<\/*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|ilayer|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|t(?:itle|extarea)|xml)[^>]*?>/gi,
+    codeviewIframeFilter: true,
+    codeviewIframeWhitelistSrc: [],
+    codeviewIframeWhitelistSrcBase: ['www.youtube.com', 'www.youtube-nocookie.com', 'www.facebook.com', 'vine.co', 'instagram.com', 'player.vimeo.com', 'www.dailymotion.com', 'player.youku.com', 'v.qq.com'],
+    keyMap: {
+      pc: {
+        'ESC': 'escape',
+        'ENTER': 'insertParagraph',
+        'CTRL+Z': 'undo',
+        'CTRL+Y': 'redo',
+        'TAB': 'tab',
+        'SHIFT+TAB': 'untab',
+        'CTRL+B': 'bold',
+        'CTRL+I': 'italic',
+        'CTRL+U': 'underline',
+        'CTRL+SHIFT+S': 'strikethrough',
+        'CTRL+BACKSLASH': 'removeFormat',
+        'CTRL+SHIFT+L': 'justifyLeft',
+        'CTRL+SHIFT+E': 'justifyCenter',
+        'CTRL+SHIFT+R': 'justifyRight',
+        'CTRL+SHIFT+J': 'justifyFull',
+        'CTRL+SHIFT+NUM7': 'insertUnorderedList',
+        'CTRL+SHIFT+NUM8': 'insertOrderedList',
+        'CTRL+LEFTBRACKET': 'outdent',
+        'CTRL+RIGHTBRACKET': 'indent',
+        'CTRL+NUM0': 'formatPara',
+        'CTRL+NUM1': 'formatH1',
+        'CTRL+NUM2': 'formatH2',
+        'CTRL+NUM3': 'formatH3',
+        'CTRL+NUM4': 'formatH4',
+        'CTRL+NUM5': 'formatH5',
+        'CTRL+NUM6': 'formatH6',
+        'CTRL+ENTER': 'insertHorizontalRule',
+        'CTRL+K': 'linkDialog.show'
+      },
+      mac: {
+        'ESC': 'escape',
+        'ENTER': 'insertParagraph',
+        'CMD+Z': 'undo',
+        'CMD+SHIFT+Z': 'redo',
+        'TAB': 'tab',
+        'SHIFT+TAB': 'untab',
+        'CMD+B': 'bold',
+        'CMD+I': 'italic',
+        'CMD+U': 'underline',
+        'CMD+SHIFT+S': 'strikethrough',
+        'CMD+BACKSLASH': 'removeFormat',
+        'CMD+SHIFT+L': 'justifyLeft',
+        'CMD+SHIFT+E': 'justifyCenter',
+        'CMD+SHIFT+R': 'justifyRight',
+        'CMD+SHIFT+J': 'justifyFull',
+        'CMD+SHIFT+NUM7': 'insertUnorderedList',
+        'CMD+SHIFT+NUM8': 'insertOrderedList',
+        'CMD+LEFTBRACKET': 'outdent',
+        'CMD+RIGHTBRACKET': 'indent',
+        'CMD+NUM0': 'formatPara',
+        'CMD+NUM1': 'formatH1',
+        'CMD+NUM2': 'formatH2',
+        'CMD+NUM3': 'formatH3',
+        'CMD+NUM4': 'formatH4',
+        'CMD+NUM5': 'formatH5',
+        'CMD+NUM6': 'formatH6',
+        'CMD+ENTER': 'insertHorizontalRule',
+        'CMD+K': 'linkDialog.show'
+      }
+    },
+    icons: {
+      'align': 'note-icon-align',
+      'alignCenter': 'note-icon-align-center',
+      'alignJustify': 'note-icon-align-justify',
+      'alignLeft': 'note-icon-align-left',
+      'alignRight': 'note-icon-align-right',
+      'rowBelow': 'note-icon-row-below',
+      'colBefore': 'note-icon-col-before',
+      'colAfter': 'note-icon-col-after',
+      'rowAbove': 'note-icon-row-above',
+      'rowRemove': 'note-icon-row-remove',
+      'colRemove': 'note-icon-col-remove',
+      'indent': 'note-icon-align-indent',
+      'outdent': 'note-icon-align-outdent',
+      'arrowsAlt': 'note-icon-arrows-alt',
+      'bold': 'note-icon-bold',
+      'caret': 'note-icon-caret',
+      'circle': 'note-icon-circle',
+      'close': 'note-icon-close',
+      'code': 'note-icon-code',
+      'eraser': 'note-icon-eraser',
+      'floatLeft': 'note-icon-float-left',
+      'floatRight': 'note-icon-float-right',
+      'font': 'note-icon-font',
+      'frame': 'note-icon-frame',
+      'italic': 'note-icon-italic',
+      'link': 'note-icon-link',
+      'unlink': 'note-icon-chain-broken',
+      'magic': 'note-icon-magic',
+      'menuCheck': 'note-icon-menu-check',
+      'minus': 'note-icon-minus',
+      'orderedlist': 'note-icon-orderedlist',
+      'pencil': 'note-icon-pencil',
+      'picture': 'note-icon-picture',
+      'question': 'note-icon-question',
+      'redo': 'note-icon-redo',
+      'rollback': 'note-icon-rollback',
+      'square': 'note-icon-square',
+      'strikethrough': 'note-icon-strikethrough',
+      'subscript': 'note-icon-subscript',
+      'superscript': 'note-icon-superscript',
+      'table': 'note-icon-table',
+      'textHeight': 'note-icon-text-height',
+      'trash': 'note-icon-trash',
+      'underline': 'note-icon-underline',
+      'undo': 'note-icon-undo',
+      'unorderedlist': 'note-icon-unorderedlist',
+      'video': 'note-icon-video'
+    }
+  }
+});
+
+/***/ }),
+
+/***/ 4:
+/***/ (function(module, exports, __webpack_require__) {
+
+// extracted by mini-css-extract-plugin
+
+/***/ }),
+
+/***/ 52:
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
+
+"use strict";
+// ESM COMPAT FLAG
+__webpack_require__.r(__webpack_exports__);
+
+// EXTERNAL MODULE: external {"root":"jQuery","commonjs2":"jquery","commonjs":"jquery","amd":"jquery"}
+var external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_ = __webpack_require__(0);
+var external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default = /*#__PURE__*/__webpack_require__.n(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_);
+
+// EXTERNAL MODULE: ./src/js/base/renderer.js
+var renderer = __webpack_require__(1);
+
+// CONCATENATED MODULE: ./src/js/bs3/ui.js
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+
+
+var editor = renderer["a" /* default */].create('<div class="note-editor note-frame panel panel-default"/>');
+var toolbar = renderer["a" /* default */].create('<div class="panel-heading note-toolbar" role="toolbar"/>');
+var editingArea = renderer["a" /* default */].create('<div class="note-editing-area"/>');
+var codable = renderer["a" /* default */].create('<textarea class="note-codable" aria-multiline="true"/>');
+var editable = renderer["a" /* default */].create('<div class="note-editable" contentEditable="true" role="textbox" aria-multiline="true"/>');
+var statusbar = renderer["a" /* default */].create(['<output class="note-status-output" role="status" aria-live="polite"></output>', '<div class="note-statusbar" role="status">', '<div class="note-resizebar" aria-label="Resize">', '<div class="note-icon-bar"></div>', '<div class="note-icon-bar"></div>', '<div class="note-icon-bar"></div>', '</div>', '</div>'].join(''));
+var airEditor = renderer["a" /* default */].create('<div class="note-editor note-airframe"/>');
+var airEditable = renderer["a" /* default */].create(['<div class="note-editable" contentEditable="true" role="textbox" aria-multiline="true"></div>', '<output class="note-status-output" role="status" aria-live="polite"></output>'].join(''));
+var buttonGroup = renderer["a" /* default */].create('<div class="note-btn-group btn-group">');
+var dropdown = renderer["a" /* default */].create('<ul class="note-dropdown-menu dropdown-menu">', function ($node, options) {
+  var markup = Array.isArray(options.items) ? options.items.map(function (item) {
+    var value = typeof item === 'string' ? item : item.value || '';
+    var content = options.template ? options.template(item) : item;
+    var option = _typeof(item) === 'object' ? item.option : undefined;
+    var dataValue = 'data-value="' + value + '"';
+    var dataOption = option !== undefined ? ' data-option="' + option + '"' : '';
+    return '<li aria-label="' + value + '"><a href="#" ' + (dataValue + dataOption) + '>' + content + '</a></li>';
+  }).join('') : options.items;
+  $node.html(markup).attr({
+    'aria-label': options.title
+  });
+
+  if (options && options.codeviewKeepButton) {
+    $node.addClass('note-codeview-keep');
+  }
+});
+
+var dropdownButtonContents = function dropdownButtonContents(contents, options) {
+  return contents + ' ' + icon(options.icons.caret, 'span');
+};
+
+var dropdownCheck = renderer["a" /* default */].create('<ul class="note-dropdown-menu dropdown-menu note-check">', function ($node, options) {
+  var markup = Array.isArray(options.items) ? options.items.map(function (item) {
+    var value = typeof item === 'string' ? item : item.value || '';
+    var content = options.template ? options.template(item) : item;
+    return '<li aria-label="' + item + '"><a href="#" data-value="' + value + '">' + icon(options.checkClassName) + ' ' + content + '</a></li>';
+  }).join('') : options.items;
+  $node.html(markup).attr({
+    'aria-label': options.title
+  });
+
+  if (options && options.codeviewKeepButton) {
+    $node.addClass('note-codeview-keep');
+  }
+});
+var dialog = renderer["a" /* default */].create('<div class="modal note-modal" aria-hidden="false" tabindex="-1" role="dialog"/>', function ($node, options) {
+  if (options.fade) {
+    $node.addClass('fade');
+  }
+
+  $node.attr({
+    'aria-label': options.title
+  });
+  $node.html(['<div class="modal-dialog">', '<div class="modal-content">', options.title ? '<div class="modal-header">' + '<button type="button" class="close" data-dismiss="modal" aria-label="Close" aria-hidden="true">&times;</button>' + '<h4 class="modal-title">' + options.title + '</h4>' + '</div>' : '', '<div class="modal-body">' + options.body + '</div>', options.footer ? '<div class="modal-footer">' + options.footer + '</div>' : '', '</div>', '</div>'].join(''));
+});
+var popover = renderer["a" /* default */].create(['<div class="note-popover popover in">', '<div class="arrow"></div>', '<div class="popover-content note-children-container"></div>', '</div>'].join(''), function ($node, options) {
+  var direction = typeof options.direction !== 'undefined' ? options.direction : 'bottom';
+  $node.addClass(direction);
+
+  if (options.hideArrow) {
+    $node.find('.arrow').hide();
+  }
+});
+var ui_checkbox = renderer["a" /* default */].create('<div class="checkbox"></div>', function ($node, options) {
+  $node.html(['<label' + (options.id ? ' for="note-' + options.id + '"' : '') + '>', '<input type="checkbox"' + (options.id ? ' id="note-' + options.id + '"' : ''), options.checked ? ' checked' : '', ' aria-checked="' + (options.checked ? 'true' : 'false') + '"/>', options.text ? options.text : '', '</label>'].join(''));
+});
+
+var icon = function icon(iconClassName, tagName) {
+  tagName = tagName || 'i';
+  return '<' + tagName + ' class="' + iconClassName + '"></' + tagName + '>';
+};
+
+var ui_ui = function ui(editorOptions) {
+  return {
+    editor: editor,
+    toolbar: toolbar,
+    editingArea: editingArea,
+    codable: codable,
+    editable: editable,
+    statusbar: statusbar,
+    airEditor: airEditor,
+    airEditable: airEditable,
+    buttonGroup: buttonGroup,
+    dropdown: dropdown,
+    dropdownButtonContents: dropdownButtonContents,
+    dropdownCheck: dropdownCheck,
+    dialog: dialog,
+    popover: popover,
+    checkbox: ui_checkbox,
+    icon: icon,
+    options: editorOptions,
+    palette: function palette($node, options) {
+      return renderer["a" /* default */].create('<div class="note-color-palette"/>', function ($node, options) {
+        var contents = [];
+
+        for (var row = 0, rowSize = options.colors.length; row < rowSize; row++) {
+          var eventName = options.eventName;
+          var colors = options.colors[row];
+          var colorsName = options.colorsName[row];
+          var buttons = [];
+
+          for (var col = 0, colSize = colors.length; col < colSize; col++) {
+            var color = colors[col];
+            var colorName = colorsName[col];
+            buttons.push(['<button type="button" class="note-color-btn"', 'style="background-color:', color, '" ', 'data-event="', eventName, '" ', 'data-value="', color, '" ', 'title="', colorName, '" ', 'aria-label="', colorName, '" ', 'data-toggle="button" tabindex="-1"></button>'].join(''));
+          }
+
+          contents.push('<div class="note-color-row">' + buttons.join('') + '</div>');
+        }
+
+        $node.html(contents.join(''));
+
+        if (options.tooltip) {
+          $node.find('.note-color-btn').tooltip({
+            container: options.container || editorOptions.container,
+            trigger: 'hover',
+            placement: 'bottom'
+          });
+        }
+      })($node, options);
+    },
+    button: function button($node, options) {
+      return renderer["a" /* default */].create('<button type="button" class="note-btn btn btn-default btn-sm" tabindex="-1">', function ($node, options) {
+        if (options && options.tooltip) {
+          $node.attr({
+            title: options.tooltip,
+            'aria-label': options.tooltip
+          }).tooltip({
+            container: options.container || editorOptions.container,
+            trigger: 'hover',
+            placement: 'bottom'
+          }).on('click', function (e) {
+            external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default()(e.currentTarget).tooltip('hide');
+          });
+        }
+
+        if (options && options.codeviewButton) {
+          $node.addClass('note-codeview-keep');
+        }
+      })($node, options);
+    },
+    toggleBtn: function toggleBtn($btn, isEnable) {
+      $btn.toggleClass('disabled', !isEnable);
+      $btn.attr('disabled', !isEnable);
+    },
+    toggleBtnActive: function toggleBtnActive($btn, isActive) {
+      $btn.toggleClass('active', isActive);
+    },
+    onDialogShown: function onDialogShown($dialog, handler) {
+      $dialog.one('shown.bs.modal', handler);
+    },
+    onDialogHidden: function onDialogHidden($dialog, handler) {
+      $dialog.one('hidden.bs.modal', handler);
+    },
+    showDialog: function showDialog($dialog) {
+      $dialog.modal('show');
+    },
+    hideDialog: function hideDialog($dialog) {
+      $dialog.modal('hide');
+    },
+    createLayout: function createLayout($note) {
+      var $editor = (editorOptions.airMode ? airEditor([editingArea([codable(), airEditable()])]) : editorOptions.toolbarPosition === 'bottom' ? editor([editingArea([codable(), editable()]), toolbar(), statusbar()]) : editor([toolbar(), editingArea([codable(), editable()]), statusbar()])).render();
+      $editor.insertAfter($note);
+      return {
+        note: $note,
+        editor: $editor,
+        toolbar: $editor.find('.note-toolbar'),
+        editingArea: $editor.find('.note-editing-area'),
+        editable: $editor.find('.note-editable'),
+        codable: $editor.find('.note-codable'),
+        statusbar: $editor.find('.note-statusbar')
+      };
+    },
+    removeLayout: function removeLayout($note, layoutInfo) {
+      $note.html(layoutInfo.editable.html());
+      layoutInfo.editor.remove();
+      $note.show();
+    }
+  };
+};
+
+/* harmony default export */ var bs3_ui = (ui_ui);
+// EXTERNAL MODULE: ./src/js/base/settings.js + 37 modules
+var settings = __webpack_require__(3);
+
+// EXTERNAL MODULE: ./src/styles/summernote-bs3.scss
+var summernote_bs3 = __webpack_require__(4);
+
+// CONCATENATED MODULE: ./src/js/bs3/settings.js
+
+
+
+
+external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote = external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.extend(external_root_jQuery_commonjs2_jquery_commonjs_jquery_amd_jquery_default.a.summernote, {
+  ui_template: bs3_ui,
+  "interface": 'bs3'
+});
+
+/***/ })
+
+/******/ });
+});
+//# sourceMappingURL=summernote.js.map
\ No newline at end of file
diff --git a/AnkiDroid/src/main/assets/summernote/summernote.md b/AnkiDroid/src/main/assets/summernote/summernote.md
new file mode 100644
index 000000000000..7dc4206efbc9
--- /dev/null
+++ b/AnkiDroid/src/main/assets/summernote/summernote.md
@@ -0,0 +1,20 @@
+## Library versions
+
+Summernote is a JavaScript library that helps you create WYSIWYG editors online.
+
+summernote version -: v0.8.18
+
+Home page: https://summernote.org
+
+Installation process :
+
+Downloaded summernote.js and summernote.css from official website (https://summernote.org/getting-started/#installation),
+
+Imported files in folder summernote in assest,
+
+Included Scripts summernote css/js in visual_editor.html,
+
+Date: 2021-06-17T18:09Z.
+
+summernote freely distributed under the MIT license.
+
diff --git a/AnkiDroid/src/main/assets/summernote/summernote.woff b/AnkiDroid/src/main/assets/summernote/summernote.woff
new file mode 100644
index 000000000000..dfd4f6626b10
Binary files /dev/null and b/AnkiDroid/src/main/assets/summernote/summernote.woff differ
diff --git a/AnkiDroid/src/main/assets/summernote/summernote.woff2 b/AnkiDroid/src/main/assets/summernote/summernote.woff2
new file mode 100644
index 000000000000..40b203082895
Binary files /dev/null and b/AnkiDroid/src/main/assets/summernote/summernote.woff2 differ
diff --git a/AnkiDroid/src/main/assets/visualeditor/visual_editor.html b/AnkiDroid/src/main/assets/visualeditor/visual_editor.html
new file mode 100644
index 000000000000..be26ecb92524
--- /dev/null
+++ b/AnkiDroid/src/main/assets/visualeditor/visual_editor.html
@@ -0,0 +1,96 @@
+<!DOCTYPE html>
+
+<!--
+MIT License
+
+Copyright (c) 2017 Jhon Kenneth Cariño
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="user-scalable=no">
+    <title>AnkiDroid Visual Editor</title>
+
+    <!-- include libraries(jQuery, bootstrap) -->
+    <link href="file:///android_asset/summernote/bootstrap.min.css" rel="stylesheet">
+    <script src="file:///android_asset/summernote/jquery-3.2.1.min.js"></script>
+    <script src="file:///android_asset/summernote/bootstrap.min.js"></script>
+
+    <!-- include summernote css/js-->
+    <link href="file:///android_asset/summernote/summernote.css" rel="stylesheet">
+    <script src="file:///android_asset/summernote/summernote.js"></script>
+
+    <!-- Style the page like an Anki Card-->
+    <link href="file:///android_asset/flashcard.css" rel="stylesheet">
+    <link href="file:///android_asset/visualeditor/visualeditor.css" rel="stylesheet">
+</head>
+<body style="card">
+<div id="summernote"></div>
+<script type="text/javascript">
+        $(document).ready(function() {
+          $('#summernote').summernote({
+            focus: true,
+            shortcuts: false,
+            toolbar: [],
+            popover: {
+              image: [
+                ['imagesize', ['imageSize100', 'imageSize50', 'imageSize25']],
+                ['float', ['floatLeft', 'floatRight', 'floatNone']],
+                ['remove', ['removeMedia']]
+              ],
+              link: [],
+              table: [
+                ['add', ['addRowDown', 'addRowUp', 'addColLeft', 'addColRight']],
+                ['delete', ['deleteRow', 'deleteCol', 'deleteTable']]
+              ],
+            },
+            callbacks: {
+              onInit: function(e) {
+                $('#summernote').summernote("fullscreen.toggle");
+
+                // Set initial content
+                var code = $('#summernote').summernote('code');
+                VisualEditor.onEditorContentChanged(code);
+              },
+              onMousedown: function(e) {
+                  sendMouseDownToClient(e);
+              },
+              onImageUpload: function(data) {
+                 // we disable image upload in summernote
+                 // reason 1 : in summernote it include image as big blob, might lead problem while storing image
+                 // reason 2 : we have to register image in media.Collection
+                 data.pop();
+                 // we handle paste event through javascript interface
+                 VisualEditor.pasteImage();
+              },
+              onChange: function(contents, $editable) {
+                VisualEditor.onEditorContentChanged(contents);
+              }
+            }
+        });
+      });
+    </script>
+<script src="file:///android_asset/summernote/editor.js"></script>
+<script src="file:///android_asset/visualeditor/visual_editor_functions.js"></script>
+<script src="file:///android_asset/visualeditor/visual_editor_image.js"></script>
+</body>
+</html>
\ No newline at end of file
diff --git a/AnkiDroid/src/main/assets/visualeditor/visual_editor_functions.js b/AnkiDroid/src/main/assets/visualeditor/visual_editor_functions.js
new file mode 100644
index 000000000000..825ff4df303e
--- /dev/null
+++ b/AnkiDroid/src/main/assets/visualeditor/visual_editor_functions.js
@@ -0,0 +1,146 @@
+/* global VisualEditor */
+
+/**
+To understand summernote, look at the API surface of document.execCommand:
+https://developer.mozilla.org/en-US/docs/Web/API/document/execCommand#Commands
+This is the API surface which is being built upon
+*/
+
+function insertAtPoint(startPoint, text, offset) {
+    var startNode = startPoint.node;
+    var range = document.createRange();
+    range.setStart(startNode, startPoint.offset + offset);
+    range.setEnd(startNode, startPoint.offset + offset);
+    var sel = window.getSelection();
+    sel.removeAllRanges();
+    sel.addRange(range);
+
+    document.execCommand("insertText", true, text);
+}
+
+var cloze = function(clozeId) {
+    //The Anki Desktop cloze functionality works as follows:
+    //Ignore the HTML and insert the text at the start and end of the cursor.
+
+    //I'm being lazy, avoiding summernote and interracting with the browser directly.
+    //This might be possible:
+    //https://stackoverflow.com/questions/6139107/programmatically-select-text-in-a-contenteditable-html-element
+    var clozePrefix = "{{c" + clozeId + "::";
+    var clozeSuffix = "}}";
+
+    var selected = $("#summernote").summernote("createRange");
+    var startPoint = selected.getStartPoint();
+    var endPoint = selected.getEndPoint();
+
+    insertAtPoint(startPoint, clozePrefix, 0);
+    insertAtPoint(endPoint, clozeSuffix, clozePrefix.length);
+};
+
+var insertCustomTag = function(customPrefix, customSuffix) {
+    var selected = $("#summernote").summernote("createRange");
+    // duplicate tag may inserted in html, this is internal error of summernote.
+    document.execCommand("insertHTML", null, customPrefix + selected.toString() + customSuffix);
+}
+
+var pasteHTML = function(data) {
+    $("#summernote").summernote("pasteHTML", data);
+};
+
+/**
+https://gist.github.com/jed/982883
+https://gist.github.com/jed/982883#file-license-txt
+*/
+function createGuid(a){return a?(a^Math.random()*16>>a/4).toString(16):([1e7]+-1e3+-4e3+-8e3+-1e11).replace(/[018]/g,createGuid);}
+
+
+/**
+I want to serialise a reference to the currently selected image to avoid race conditions.
+This means we need an ID to pass in
+*/
+function getGuid(target) {
+    var guid =  target.getAttribute("data-ankidroid-guid");
+    if (guid) {
+        return guid;
+    }
+    guid = createGuid();
+    target.setAttribute("data-ankidroid-guid", guid);
+    return guid;
+}
+
+function escape(str) {
+    return str.replace(/[^0-9a-z]/gi, "");
+}
+
+function getTargetByGuid(guid) {
+    return $("*[data-ankidroid-guid='" + escape(guid) + "']").first();
+}
+
+function sendMouseDownToClient(e) {
+    if (e.target.nodeName.toUpperCase() === "IMG") {
+        VisualEditor.onImageSelection(getGuid(e.target), e.target.src);
+        return;
+    }
+    VisualEditor.onRegularSelection();
+}
+
+/** Taken from card.js */
+
+var resizeDone = false;
+
+/*
+  Handle image resizing if the image exceeds the window dimensions.
+
+  If we are using the Chrome engine, add the "chrome" class to the
+  body and defer image resizing to pure CSS. The Chrome engine can
+  handle image resizing on its own, but for older versions of WebView,
+  we do it here.
+
+  If we are resizing with JavasSript, we also account for the CSS zoom
+  level applied to the image. If an image is scaled with CSS zoom, the
+  dimensions given to us by the browser will not be scaled
+  accordingly, giving us only the original dimensions. We have to
+  fetch the zoom value and scale the dimensions with it before
+  checking if the image exceeds the window bounds.
+
+  If the WebView loads too early on Android <= 2.3 (which happens on
+  the first card or regularly with WebView switching enabled), then
+  the window dimensions returned to us are 0x0. In this case, we skip
+  image resizing and try again after we know the window has fully
+  loaded with a method call initiated from Java (onPageFinished).
+*/
+var resizeImages = function() {
+    if (navigator.userAgent.indexOf("Chrome") > -1) {
+        document.body.className = document.body.className + " chrome";
+    } else {
+        if (window.innerWidth === 0 || window.innerHeight === 0) {
+            return;
+        }
+        var maxWidth = window.innerWidth * 0.90;
+        var maxHeight = window.innerHeight * 0.90;
+        var ratio = 0;
+        var images = document.getElementsByTagName("img");
+        for (var i = 0; i < images.length; i++) {
+            var img = images[i];
+            var scale = 1;
+            var zoom = window.getComputedStyle(img).getPropertyValue("zoom");
+            if (!isNaN(zoom)) {
+                scale = zoom;
+            }
+            var width = img.width * scale;
+            var height = img.height * scale;
+            if (width > maxWidth) {
+                img.width = maxWidth;
+                img.height = height * (maxWidth / width);
+                width = img.width;
+                height = img.height;
+                img.style.zoom = 1;
+            }
+            if (height > maxHeight) {
+                img.width = width * (maxHeight / height);
+                img.height = maxHeight;
+                img.style.zoom = 1;
+            }
+        }
+    }
+    resizeDone = true;
+};
\ No newline at end of file
diff --git a/AnkiDroid/src/main/assets/visualeditor/visual_editor_image.js b/AnkiDroid/src/main/assets/visualeditor/visual_editor_image.js
new file mode 100644
index 000000000000..dc9e982dd53e
--- /dev/null
+++ b/AnkiDroid/src/main/assets/visualeditor/visual_editor_image.js
@@ -0,0 +1,24 @@
+/* global getTargetByGuid, VisualEditor */
+
+var deleteImage = function(guid) {
+    var target = getTargetByGuid(guid);
+    //TODO
+    $("#summernote").summernote("removeMedia");
+};
+
+var cut = function() {
+    let jq = $("<div>");
+    let sel = window.getSelection();
+
+    for (let i = 0; i < sel.rangeCount; i++) {
+        let range = sel.getRangeAt(i);
+        let fragment = sel.getRangeAt(i).cloneContents();
+        range.deleteContents();
+        jq.append(fragment);
+    }
+
+    VisualEditor.setClipboard(jq.html());
+
+    //we're left with a single selection with no content if we have an image selected. Remove it.
+    window.getSelection().removeAllRanges();
+};
\ No newline at end of file
diff --git a/AnkiDroid/src/main/assets/visualeditor/visualeditor.css b/AnkiDroid/src/main/assets/visualeditor/visualeditor.css
new file mode 100644
index 000000000000..4ca711d9a40f
--- /dev/null
+++ b/AnkiDroid/src/main/assets/visualeditor/visualeditor.css
@@ -0,0 +1,30 @@
+.note-editor.note-frame {
+    border: 0px solid;
+}
+.panel {
+    margin-bottom: 0px;
+    border: 0px solid;
+    border-radius: 0px;
+    box-shadow: 0px 0px 0px #FFFFFF;
+}
+.note-editor.note-frame .note-editing-area .note-codable {
+    background-color: #FFFFFF;
+    color: #2F2F2F;
+    outline: none;
+}
+.night_mode_black_mode > .note-editor.note-frame.fullscreen .note-editable {
+    background-color: #110D11;
+    color: #FFFFFF;
+}
+
+.night_mode_dark_mode > .note-editor.note-frame.fullscreen .note-editable {
+    background-color: #333333;
+    color: #FFFFFF;
+}
+
+hr {
+    display: block;
+    height: 1.5px;
+    border: 0;
+    border-top: 1.5px solid #b2b2b2;
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/FieldEditLine.java b/AnkiDroid/src/main/java/com/ichi2/anki/FieldEditLine.java
index e5697d5aac55..62713da6c2d6 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/FieldEditLine.java
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/FieldEditLine.java
@@ -50,6 +50,7 @@ public class FieldEditLine extends FrameLayout {
     private ImageButton mToggleSticky;
     private ImageButton mMediaButton;
     private ImageButton mExpandButton;
+    private ImageButton mVisualEditorButton;
 
     private String mName;
     private ExpansionState mExpansionState;
@@ -89,6 +90,7 @@ private void init() {
         this.mMediaButton = findViewById(R.id.id_media_button);
         ConstraintLayout constraintLayout = findViewById(R.id.constraint_layout);
         this.mExpandButton = findViewById(R.id.id_expand_button);
+        this.mVisualEditorButton = findViewById(R.id.id_visual_editor);
         // 7433 -
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
             mEditText.setId(ViewCompat.generateViewId());
@@ -98,10 +100,12 @@ private void init() {
             mEditText.setNextFocusForwardId(mToggleSticky.getId());
             mToggleSticky.setNextFocusForwardId(mMediaButton.getId());
             mMediaButton.setNextFocusForwardId(mExpandButton.getId());
+            mVisualEditorButton.setId(ViewCompat.generateViewId());
             ConstraintSet constraintSet = new ConstraintSet();
             constraintSet.clone(constraintLayout);
             constraintSet.connect(mToggleSticky.getId(), ConstraintSet.END, mMediaButton.getId(), ConstraintSet.START);
             constraintSet.connect(mMediaButton.getId(), ConstraintSet.END, mExpandButton.getId(), ConstraintSet.START);
+            constraintSet.connect(mVisualEditorButton.getId(), ConstraintSet.END, mMediaButton.getId(), ConstraintSet.START);
             constraintSet.applyTo(constraintLayout);
         }
 
@@ -131,6 +135,10 @@ private void toggleExpansionState() {
         setExpanderBackgroundImage();
     }
 
+    public ImageButton getVisualEditorButton() {
+        return mVisualEditorButton;
+    }
+
 
     private void setExpanderBackgroundImage() {
         switch (mExpansionState) {
@@ -238,6 +246,7 @@ protected Parcelable onSaveInstanceState() {
         savedState.mToggleStickyId = getToggleSticky().getId();
         savedState.mMediaButtonId = getMediaButton().getId();
         savedState.mExpandButtonId = mExpandButton.getId();
+        savedState.mVisualEditorId = mVisualEditorButton.getId();
 
         for (int i = 0; i < getChildCount(); i++) {
             getChildAt(i).saveHierarchyState(savedState.mChildrenStates);
@@ -293,6 +302,7 @@ static class SavedState extends BaseSavedState {
         private int mToggleStickyId;
         private int mMediaButtonId;
         public int mExpandButtonId;
+        public int mVisualEditorId;
         private ExpansionState mExpansionState;
 
         SavedState(Parcelable superState) {
@@ -307,6 +317,7 @@ public void writeToParcel(Parcel out, int flags) {
             out.writeInt(mToggleStickyId);
             out.writeInt(mMediaButtonId);
             out.writeInt(mExpandButtonId);
+            out.writeInt(mVisualEditorId);
             out.writeSerializable(mExpansionState);
         }
 
@@ -337,6 +348,7 @@ private SavedState(Parcel in, ClassLoader loader) {
             this.mToggleStickyId = in.readInt();
             this.mMediaButtonId = in.readInt();
             this.mExpandButtonId = in.readInt();
+            this.mVisualEditorId = in.readInt();
             this.mExpansionState = (ExpansionState) in.readSerializable();
         }
     }
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/NoteEditor.java b/AnkiDroid/src/main/java/com/ichi2/anki/NoteEditor.java
index bb7e6558e593..feb76ddb06da 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/NoteEditor.java
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/NoteEditor.java
@@ -34,6 +34,8 @@
 import android.os.Build;
 import android.os.Bundle;
 
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.annotation.CheckResult;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -75,6 +77,7 @@
 import com.ichi2.anki.exception.ConfirmModSchemaException;
 import com.ichi2.anki.multimediacard.IMultimediaEditableNote;
 import com.ichi2.anki.multimediacard.activity.MultimediaEditFieldActivity;
+import com.ichi2.anki.multimediacard.activity.VisualEditorActivity;
 import com.ichi2.anki.multimediacard.fields.AudioClipField;
 import com.ichi2.anki.multimediacard.fields.AudioRecordingField;
 import com.ichi2.anki.multimediacard.fields.EFieldType;
@@ -110,6 +113,7 @@
 import com.ichi2.utils.AdaptionUtil;
 import com.ichi2.utils.HashUtil;
 import com.ichi2.utils.KeyUtils;
+import com.ichi2.utils.LargeObjectStorage;
 import com.ichi2.utils.MapUtil;
 import com.ichi2.utils.NoteFieldDecorator;
 import com.ichi2.utils.TextViewUtil;
@@ -193,6 +197,7 @@ public class NoteEditor extends AnkiActivity implements
     public static final int REQUEST_MULTIMEDIA_EDIT = 2;
     public static final int REQUEST_TEMPLATE_EDIT = 3;
     public static final int REQUEST_PREVIEW = 4;
+    public static final int REQUEST_VISUAL_EDIT = 5;
 
     /** Whether any change are saved. E.g. multimedia, new card added, field changed and saved.*/
     private boolean mChanged = false;
@@ -250,6 +255,9 @@ public class NoteEditor extends AnkiActivity implements
 
     private Toolbar mToolbar;
 
+    //TODO: This is only set on edit currently, not on add.
+    private Long mCurrentModelId = null;
+
     // Use the same HTML if the same image is pasted multiple times.
     private HashMap<String, String> mPastedImageCache = new HashMap<>();
 
@@ -258,6 +266,8 @@ public class NoteEditor extends AnkiActivity implements
 
     private final Onboarding.NoteEditor mOnboarding = new Onboarding.NoteEditor(this);
 
+    LargeObjectStorage mLargeObjectStorage = new LargeObjectStorage(this);
+
     private SaveNoteHandler saveNoteHandler() {
         return new SaveNoteHandler(this);
     }
@@ -1337,34 +1347,11 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                 }
                 break;
             }
+            case REQUEST_VISUAL_EDIT:
+                requestEdit(REQUEST_VISUAL_EDIT, resultCode, data);
+                break;
             case REQUEST_MULTIMEDIA_EDIT: {
-                if (resultCode != RESULT_CANCELED) {
-                    Collection col = getCol();
-                    Bundle extras = data.getExtras();
-                    if (extras == null) {
-                        break;
-                    }
-                    int index = extras.getInt(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD_INDEX);
-                    IField field = (IField) extras.get(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD);
-                    if (field == null) {
-                        break;
-                    }
-                    MultimediaEditableNote note = getCurrentMultimediaEditableNote(col);
-                    note.setField(index, field);
-                    FieldEditText fieldEditText = mEditFields.get(index);
-                    // Completely replace text for text fields (because current text was passed in)
-                    String formattedValue = field.getFormattedValue();
-                    if (field.getType() == EFieldType.TEXT) {
-                        fieldEditText.setText(formattedValue);
-                    }
-                    // Insert text at cursor position if the field has focus
-                    else if (fieldEditText.getText() != null) {
-                        insertStringInField(fieldEditText, formattedValue);
-                    }
-                    //DA - I think we only want to save the field here, not the note.
-                    NoteService.saveMedia(col, note);
-                    mChanged = true;
-                }
+                requestEdit(REQUEST_MULTIMEDIA_EDIT, resultCode, data);
                 break;
             }
             case REQUEST_TEMPLATE_EDIT: {
@@ -1394,6 +1381,43 @@ else if (fieldEditText.getText() != null) {
         }
     }
 
+    private void requestEdit(int requestCode, int resultCode, Intent data) {
+        if (resultCode != RESULT_CANCELED) {
+            Collection col = getCol();
+            Bundle extras = data.getExtras();
+            if (extras == null) {
+                return;
+            }
+            int index = extras.getInt(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD_INDEX);
+            IField field = (IField) extras.get(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD);
+            if (field == null) {
+                return;
+            }
+            if (requestCode == REQUEST_MULTIMEDIA_EDIT) {
+                MultimediaEditableNote note = getCurrentMultimediaEditableNote(col);
+                note.setField(index, field);
+                FieldEditText fieldEditText = mEditFields.get(index);
+                // Completely replace text for text fields (because current text was passed in)
+                String formattedValue = field.getFormattedValue();
+                if (field.getType() == EFieldType.TEXT) {
+                    fieldEditText.setText(formattedValue);
+                }
+                // Insert text at cursor position if the field has focus
+                else if (fieldEditText.getText() != null) {
+                    insertStringInField(fieldEditText, formattedValue);
+                }
+                //DA - I think we only want to save the field here, not the note.
+                NoteService.saveMedia(col, note);
+                mChanged = true;
+            } else if (requestCode == REQUEST_VISUAL_EDIT) {
+                IMultimediaEditableNote note = NoteService.createEmptyNote(mEditorNote.model());
+                NoteService.updateMultimediaNoteFromJsonNote(col, mEditorNote, note);
+                note.setField(index, field);
+                mEditFields.get(index).setText(field.getFormattedValue());
+            }
+        }
+    }
+
     /** Appends a string at the selection point, or appends to the end if not in focus */
     @VisibleForTesting
     void insertStringInField(EditText fieldEditText, String formattedValue) {
@@ -1513,6 +1537,10 @@ private void populateEditFields(FieldChangeType type, boolean editModelMode) {
                 toggleStickyButton.setBackgroundResource(icons[2]);
                 setToggleStickyButtonListener(toggleStickyButton, i);
             }
+
+            ImageButton visualEditorButton = edit_line_view.getVisualEditorButton();
+            setVisualEditorListener(visualEditorButton, i);
+
             if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O && previous != null) {
                 previous.getLastViewInTabOrder().setNextFocusForwardId(R.id.CardEditorTagButton);
             }
@@ -1523,6 +1551,39 @@ private void populateEditFields(FieldChangeType type, boolean editModelMode) {
         }
     }
 
+
+    private void setVisualEditorListener(ImageButton visualEditorButton, final int index) {
+        visualEditorButton.setOnClickListener(view -> {
+            Timber.i("NoteEditor:: Multimedia button pressed for field %d", index);
+            try {
+                String value = mEditFields.get(index).getText().toString();
+                Intent i = new Intent(this, VisualEditorActivity.class);
+                //Note: Intent.getExtras is a copy of the bundle.
+                Bundle b = new Bundle();
+                mLargeObjectStorage.storeSingleInstance(VisualEditorActivity.STORAGE_CURRENT_FIELD.asData(value), b);
+                mLargeObjectStorage.storeSingleInstance(VisualEditorActivity.STORAGE_EXTRA_FIELDS.asData(mEditorNote.getFields()), b);
+                i.replaceExtras(b);
+                i.putExtra(VisualEditorActivity.EXTRA_MODEL_ID, getModelId());
+                i.putExtra(VisualEditorActivity.EXTRA_FIELD_INDEX, index);
+                launchActivityForResultWithAnimation(i, mVisualEditorLauncher, START);
+            } catch (Exception e) {
+                Timber.w(e, getString(R.string.unable_to_open_visual_editor));
+                UIUtils.showThemedToast(this, getString(R.string.unable_to_open_visual_editor), false);
+            }
+        });
+    }
+
+    ActivityResultLauncher<Intent> mVisualEditorLauncher = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(), result -> {
+        Timber.d("VisualEditorActivityResult: resultCode=%d", result.getResultCode());
+        if (result.getResultCode() != RESULT_OK) {
+            return;
+        }
+        Intent data = result.getData();
+        if (data != null) {
+            requestEdit(REQUEST_VISUAL_EDIT, result.getResultCode(), data);
+        }
+    });
+
     private boolean onImagePaste(EditText editText, Uri uri) {
         String imageTag = mMediaRegistration.onImagePaste(uri);
         if (imageTag == null) {
@@ -2314,6 +2375,13 @@ long getDeckId() {
         return mCurrentDid;
     }
 
+    public long getModelId() {
+        if (mCurrentModelId != null) {
+            return mCurrentModelId;
+        }
+        return mEditorNote.model().getLong("id");
+    }
+
 
     @SuppressWarnings("SameParameterValue")
     @VisibleForTesting(otherwise = VisibleForTesting.NONE)
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/cardviewer/CardAppearance.kt b/AnkiDroid/src/main/java/com/ichi2/anki/cardviewer/CardAppearance.kt
index 05d134e4f32e..d6fdc2d05da2 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/cardviewer/CardAppearance.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/cardviewer/CardAppearance.kt
@@ -82,6 +82,14 @@ class CardAppearance(private val customFonts: ReviewerCustomFonts, private val c
     }
 
     companion object {
+
+        /** Max size of the font for dynamic calculation of font size  */
+        private const val DYNAMIC_FONT_MAX_SIZE = 14
+
+        /** Min size of the font for dynamic calculation of font size  */
+        private const val DYNAMIC_FONT_MIN_SIZE = 3
+        private const val DYNAMIC_FONT_FACTOR = 5
+
         /** Constant for class attribute signaling answer  */
         const val ANSWER_CLASS = "\"answer\""
 
@@ -107,5 +115,24 @@ class CardAppearance(private val customFonts: ReviewerCustomFonts, private val c
             // font-weight to 700
             return content.replace("font-weight:600;", "font-weight:700;")
         }
+
+        /**
+         * Calculates a dynamic font size depending on the length of the contents taking into account that the input string
+         * contains html-tags, which will not be displayed and therefore should not be taken into account.
+         *
+         * @param htmlContent The content to measure font size for
+         * @return font size respecting MIN_DYNAMIC_FONT_SIZE and MAX_DYNAMIC_FONT_SIZE
+         */
+        @JvmStatic
+        fun calculateDynamicFontSize(htmlContent: String): Int {
+            // NB: Comment seems incorrect
+            // Replace each <br> with 15 spaces, each <hr> with 30 spaces, then
+            // remove all html tags and spaces
+            var realContent = htmlContent.replace("<br.*?>".toRegex(), " ")
+            realContent = realContent.replace("<hr.*?>".toRegex(), " ")
+            realContent = realContent.replace("<.*?>".toRegex(), "")
+            realContent = realContent.replace("&nbsp;".toRegex(), " ")
+            return Math.max(DYNAMIC_FONT_MIN_SIZE, DYNAMIC_FONT_MAX_SIZE - realContent.length / DYNAMIC_FONT_FACTOR)
+        }
     }
 }
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/activity/VisualEditorActivity.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/activity/VisualEditorActivity.java
new file mode 100644
index 000000000000..2287c6de17ef
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/activity/VisualEditorActivity.java
@@ -0,0 +1,520 @@
+/*
+ *  Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it under
+ *  the terms of the GNU General Public License as published by the Free Software
+ *  Foundation; either version 3 of the License, or (at your option) any later
+ *  version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ *  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.ichi2.anki.multimediacard.activity;
+
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+
+import com.ichi2.anki.AnkiActivity;
+import com.ichi2.anki.AnkiDroidApp;
+import com.ichi2.anki.DrawingActivity;
+import com.ichi2.anki.MediaRegistration;
+import com.ichi2.anki.R;
+import com.ichi2.anki.UIUtils;
+import com.ichi2.anki.cardviewer.CardAppearance;
+import com.ichi2.anki.dialogs.DiscardChangesDialog;
+import com.ichi2.anki.multimediacard.fields.IField;
+import com.ichi2.anki.multimediacard.fields.TextField;
+import com.ichi2.anki.multimediacard.visualeditor.VisualEditorToolbar;
+import com.ichi2.anki.multimediacard.visualeditor.VisualEditorWebView;
+import com.ichi2.anki.multimediacard.visualeditor.VisualEditorWebView.SelectionType;
+import com.ichi2.anki.multimediacard.visualeditor.WebViewUndoRedo;
+import com.ichi2.anki.reviewer.ReviewerCustomFonts;
+import com.ichi2.libanki.Collection;
+import com.ichi2.libanki.Models;
+import com.ichi2.libanki.Utils;
+import com.ichi2.themes.Themes;
+import com.ichi2.utils.AssetReader;
+import com.ichi2.utils.JSONObject;
+import com.ichi2.utils.LargeObjectStorage;
+import com.ichi2.utils.LargeObjectStorage.StorageData;
+import com.ichi2.utils.LargeObjectStorage.StorageKey;
+import com.ichi2.utils.WebViewDebugging;
+
+import java.io.IOException;
+import java.io.Serializable;
+
+import androidx.annotation.CheckResult;
+import androidx.annotation.MenuRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.widget.Toolbar;
+import timber.log.Timber;
+
+import static com.ichi2.anki.NoteEditor.REQUEST_MULTIMEDIA_EDIT;
+
+//NOTE: Remove formatting on "{{c1::" will cause a failure to detect the cloze deletion, this is the same as Anki.
+public class VisualEditorActivity extends AnkiActivity {
+
+    private static final int REQUEST_WHITE_BOARD_EDIT = 3;
+
+    public static final String EXTRA_FIELD = "visual.card.ed.extra.current.field";
+    public static final String EXTRA_FIELD_INDEX = "visual.card.ed.extra.current.field.index";
+    /** The Id of the current model (long) */
+    public static final String EXTRA_MODEL_ID = "visual.card.ed.extra.model.id";
+    /** All fields in a (string[])  */
+    public static final String EXTRA_ALL_FIELDS = "visual.card.ed.extra.all.fields";
+
+    public static final StorageKey<String> STORAGE_CURRENT_FIELD = new StorageKey<>(
+            "visual.card.ed.extra.current.field",
+            "visualed_current_field",
+            "bin");
+
+    public static final StorageKey<String[]> STORAGE_EXTRA_FIELDS = new StorageKey<>(
+            "visual.card.ed.extra.extra.fields",
+            "visualed_extra_fields",
+            "bin");
+
+
+    private String mCurrentText;
+    private int mIndex;
+    private VisualEditorWebView mWebView;
+    private long mModelId;
+    private String[] mFields;
+    @NonNull
+    private SelectionType mSelectionType = SelectionType.REGULAR;
+    private final AssetReader mAssetReader = new AssetReader(this);
+    //Unsure if this is needed, or whether getCol will block until onCollectionLoaded completes.
+    private boolean mHasLoadedCol;
+    private final LargeObjectStorage mLargeObjectStorage = new LargeObjectStorage(this);
+    private MediaRegistration mMediaRegistration;
+
+    private WebViewUndoRedo mWebViewUndoRedo;
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.visual_editor);
+
+        if (!setFieldsOnStartup(savedInstanceState)) {
+            failStartingVisualEditor();
+            return;
+        }
+
+        setupWebView(mWebView);
+
+        VisualEditorToolbar visualEditorToolbar = findViewById(R.id.editor_toolbar);
+        visualEditorToolbar.setEditorScrollBarButtons(this, mWebView);
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        if (toolbar != null) {
+            enableToolbar(toolbar);
+        }
+
+        mMediaRegistration = new MediaRegistration(this);
+        startLoadingCollection();
+    }
+
+    private void saveChangesOrExit() {
+        if (hasChanges()) {
+            DiscardChangesDialog.getDefault(this)
+                    .onPositive((dialog, which) -> this.finishCancel())
+                    .build().show();
+        } else {
+            this.finishCancel();
+        }
+    }
+
+    public void setCurrentText(String currentText) {
+        mCurrentText = currentText;
+    }
+
+    public String getCurrentText() {
+        return mCurrentText;
+    }
+
+
+
+    private boolean hasChanges() {
+        try {
+            return !mCurrentText.equals(mFields[mIndex]);
+        } catch (Exception e) {
+            Timber.w(e, "Failed to determine if editor has changes. Assuming true.");
+            return true;
+        }
+    }
+
+
+    @Override
+    public void onBackPressed() {
+        saveChangesOrExit();
+        //explicitly do not call super.onBackPressed()
+    }
+
+    @Override
+    protected boolean onActionBarBackPressed() {
+        saveChangesOrExit();
+        return true;
+    }
+
+    public int getIndex() {
+        return mIndex;
+    }
+
+
+    public long getModelId() {
+        return mModelId;
+    }
+
+
+    public String[] getFields() {
+        return mFields;
+    }
+
+
+    public boolean hasLoadedCol() {
+        return mHasLoadedCol;
+    }
+
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        if (data == null) {
+            Timber.d("data was null");
+            return;
+        }
+        if (resultCode != RESULT_OK) {
+            return;
+        }
+        if (data.getExtras() == null) {
+            return;
+        }
+        switch (requestCode) {
+            case REQUEST_MULTIMEDIA_EDIT:
+                IField field = (IField) data.getExtras().get(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD);
+
+                if (field == null) {
+                    return;
+                }
+
+                if (!mMediaRegistration.registerMediaForWebView(field.getImagePath())) {
+                    return;
+                }
+                if (!mMediaRegistration.registerMediaForWebView(field.getAudioPath())) {
+                    return;
+                }
+
+                this.mWebView.pasteHtml(field.getFormattedValue());
+                break;
+            case REQUEST_WHITE_BOARD_EDIT:
+                // receive image from drawing activity
+                Uri uri = (Uri) data.getExtras().get(DrawingActivity.EXTRA_RESULT_WHITEBOARD);
+                try {
+                    this.mWebView.pasteHtml(mMediaRegistration.onImagePaste(uri));
+                } catch (NullPointerException e) {
+                    Timber.w(e);
+                }
+                break;
+        }
+        super.onActivityResult(requestCode, resultCode, data);
+    }
+
+    private void setupWebView(VisualEditorWebView webView) {
+        WebViewDebugging.initializeDebugging(AnkiDroidApp.getSharedPrefs(this));
+
+
+        SharedPreferences preferences = AnkiDroidApp.getSharedPrefs(this);
+        CardAppearance cardAppearance = CardAppearance.create(new ReviewerCustomFonts(this), preferences);
+        String css = cardAppearance.getStyle();
+        webView.injectCss(css);
+        webView.setSelectionChangedListener(this::handleSelectionChanged);
+
+        mWebViewUndoRedo = new WebViewUndoRedo(this, webView);
+        mWebViewUndoRedo.setContent(mCurrentText);
+        mFields[mIndex] = mCurrentText;
+
+        //Could be better, this is done per card in AbstractFlashCardViewer
+        webView.getSettings().setDefaultFontSize(CardAppearance.calculateDynamicFontSize(mCurrentText));
+
+        webView.setNightMode(cardAppearance.isNightMode(), Themes.getCurrentTheme(this));
+    }
+
+
+    private void handleSelectionChanged(SelectionType selectionType) {
+        SelectionType previousSelectionType = this.mSelectionType;
+
+        this.mSelectionType = selectionType;
+        if (selectionType != previousSelectionType) {
+            invalidateOptionsMenu();
+        }
+    }
+
+
+    private boolean setFieldsOnStartup(Bundle savedInstanceState) {
+
+        tryDeserializeSavedState(savedInstanceState);
+        Bundle extras = this.getIntent().getExtras();
+        if (extras == null) {
+            Timber.w("No Extras in Bundle");
+            return false;
+        }
+
+        if (mCurrentText == null) {
+            mCurrentText = mLargeObjectStorage.getSingleInstance(STORAGE_CURRENT_FIELD, extras);
+        }
+        Integer index = (Integer) extras.getSerializable(VisualEditorActivity.EXTRA_FIELD_INDEX);
+
+        if (mFields == null) {
+            this.mFields = mLargeObjectStorage.getSingleInstance (STORAGE_EXTRA_FIELDS, extras);
+        }
+        Long modelId = (Long) extras.getSerializable(VisualEditorActivity.EXTRA_MODEL_ID);
+
+        if (mCurrentText == null) {
+            Timber.w("Failed to find mField");
+            return false;
+        }
+        if (index == null) {
+            Timber.w("Failed to find index");
+            return false;
+        }
+        if (mFields == null) {
+            return false;
+        }
+        if (modelId == null) {
+            return false;
+        }
+
+        this.mModelId = modelId;
+
+        mIndex = index;
+
+        mWebView = this.findViewById(R.id.editor_view);
+
+        if (mWebView == null) {
+            Timber.w("Failed to find WebView");
+            return false;
+        }
+
+        return true;
+    }
+
+
+    private void tryDeserializeSavedState(@Nullable Bundle savedInstanceState) {
+        if (savedInstanceState == null) {
+            return;
+        }
+        if (mLargeObjectStorage.hasKey(STORAGE_CURRENT_FIELD, savedInstanceState)) {
+            mCurrentText = mLargeObjectStorage.getSingleInstance(STORAGE_CURRENT_FIELD, savedInstanceState);
+        }
+        if (mLargeObjectStorage.hasKey(STORAGE_EXTRA_FIELDS, savedInstanceState)) {
+            mFields = mLargeObjectStorage.getSingleInstance(STORAGE_EXTRA_FIELDS, savedInstanceState);
+        }
+    }
+
+
+    private void failStartingVisualEditor() {
+        UIUtils.showThemedToast(this, R.string.visual_editor_failed, false);
+        finishCancel();
+    }
+
+
+    @Override
+    protected void onCollectionLoaded(Collection col) {
+        super.onCollectionLoaded(col);
+        Timber.d("onCollectionLoaded");
+        try {
+            initWebView(col);
+        } catch (IOException e) {
+            Timber.w(e, "Failed to init web view");
+            failStartingVisualEditor();
+            return;
+        }
+
+        JSONObject model = col.getModels().get(mModelId);
+        String css = getModelCss(model);
+        if (model != null && Models.isCloze(model)) {
+            Timber.d("Cloze detected. Enabling Cloze button");
+            findViewById(R.id.editor_button_cloze).setVisibility(View.VISIBLE);
+        }
+
+        mWebView.injectCss(css);
+        mHasLoadedCol = true;
+    }
+
+
+    private String getModelCss(JSONObject model) {
+        try {
+            String css = model.getString("css");
+            return css.replace(".card", ".note-editable ");
+        } catch (Exception e) {
+            UIUtils.showThemedToast(this, "Failed to load template CSS", false);
+            return getDefaultCss();
+        }
+    }
+
+    private String getDefaultCss() {
+        return ".note-editable {\n"
+                + " font-family: arial;\n"
+                + " font-size: 20px;\n"
+                + " text-align: center;\n"
+                + " color: black;\n"
+                + " background-color: white;\n }";
+    }
+
+
+    private void initWebView(Collection col) throws IOException {
+        String baseUrl = Utils.getBaseUrl(col.getMedia().dir());
+        String assetAsString = mAssetReader.loadAsUtf8String("visualeditor/visual_editor.html");
+        mWebView.init(assetAsString, baseUrl);
+    }
+
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // NOTE: This is called every time the selection is changed to a new element type.
+        int menuResource = getSelectionMenuOptions();
+        //I decided it was best not to show "save/undo" while an image is visible, as it confuses the meaning of save.
+        //If we want so in the future, add another inflate call here.
+        getMenuInflater().inflate(menuResource, menu);
+
+        // todo redo undo problem here, null values
+        // invisible redo/undo button if no history
+        // boolean canShowRedo = mWebViewUndoRedo == null || mWebViewUndoRedo.getCanRedo();
+        // menu.findItem(R.id.action_redo).setVisible(canShowRedo);
+
+        // boolean canShowUndo = mWebViewUndoRedo == null || mWebViewUndoRedo.getCanUndo();
+        // menu.findItem(R.id.action_undo).setVisible(canShowUndo);
+
+        return super.onCreateOptionsMenu(menu);
+    }
+
+    /** Obtains an additional options menu for the current selection */
+    @CheckResult
+    private @MenuRes int getSelectionMenuOptions() {
+        switch (mSelectionType) {
+            case IMAGE:
+                Timber.i("Displaying Image Options Menu");
+                return R.menu.visual_editor_image;
+            case REGULAR:
+                Timber.i("Displaying Regular Options Menu");
+                return R.menu.visual_editor;
+            default:
+                Timber.w("Unknown Options Menu type: '%s'. Displaying Regular Menu", mSelectionType);
+                return R.menu.visual_editor;
+        }
+    }
+
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        SelectionType selectionType = this.mSelectionType;
+        int itemId = item.getItemId();
+        if (itemId == R.id.action_save) {
+            Timber.i("Save button pressed");
+            finishWithSuccess();
+            return true;
+        } else if (itemId == R.id.action_cut) {// document.execCommand("cut", ...) does not work for images, so we need to implement our own function.
+            // "Cut" does not appear on the CAB when selecting only an image in a contentEditable,
+            // but we can still cut via our JavaScript function, therefore we have the button in the ActionBar
+            // COULD_BE_BETTER: See if we can optionally add this functionality back into the CAB
+            // DEFECT: I was unable to disable the onClick menu for images provided by summernote, this makes it
+            // annoying for the user as the custom image UI get in the way. This is because I'm unfamiliar with JS
+            cut();
+            return true;
+        } else if (itemId == R.id.action_redo) {
+            mWebViewUndoRedo.redo();
+            return true;
+        } else if  (itemId == R.id.action_undo) {
+            mWebViewUndoRedo.undo();
+            return true;
+        }
+        return onSpecificOptionsItemSelected(item, selectionType);
+    }
+
+
+    private boolean onSpecificOptionsItemSelected(MenuItem item, SelectionType selectionType) {
+        //CODE DESIGN: unsure if we want a if () .. return, or handle calling the superclass in the method
+        //so we just have a return.
+        switch (selectionType) {
+            case IMAGE:
+                if (imageOptionsItemSelected(item, selectionType)) {
+                    return true;
+                }
+                break;
+            case REGULAR:
+                return super.onOptionsItemSelected(item);
+            default:
+
+        }
+        return super.onOptionsItemSelected(item);
+    }
+
+
+    private boolean imageOptionsItemSelected(MenuItem item, SelectionType selectionType) {
+        if (item.getItemId() == R.id.action_image_delete) {
+            deleteSelectedImage(selectionType);
+            return true;
+        }
+        return false;
+    }
+
+    private void cut() {
+        mWebView.execFunction("cut");
+    }
+
+
+    private void deleteSelectedImage(SelectionType selectionType) {
+        mWebView.deleteImage(selectionType.getGuid());
+        resetSelectionType();
+    }
+
+
+    /** HACK: Resets the selection type when the UI doesn't fire an appropriate event */
+    private void resetSelectionType() {
+        mSelectionType = SelectionType.REGULAR;
+        invalidateOptionsMenu();
+    }
+
+
+    @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        storeDataNoException(outState, STORAGE_CURRENT_FIELD.asData(mCurrentText));
+        storeDataNoException(outState, STORAGE_EXTRA_FIELDS.asData(mFields));
+    }
+
+
+    private <T extends Serializable> void storeDataNoException(@NonNull Bundle outState, StorageData<T> data) {
+        try {
+            mLargeObjectStorage.storeSingleInstance(data, outState);
+        } catch (Exception e) {
+            Timber.e(e, "failed to store '%s'", STORAGE_CURRENT_FIELD.getBundleKey());
+        }
+    }
+
+
+    private void finishWithSuccess() {
+        IField f = new TextField();
+        f.setText(mCurrentText);
+        Intent resultData = new Intent();
+        resultData.putExtra(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD, f);
+        resultData.putExtra(MultimediaEditFieldActivity.EXTRA_RESULT_FIELD_INDEX, this.mIndex);
+        setResult(RESULT_OK, resultData);
+        finishActivityWithFade(this);
+    }
+
+    private void finishCancel() {
+        setResult(RESULT_CANCELED);
+        finishActivityWithFade(this);
+    }
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/fields/BasicAudioRecordingFieldController.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/fields/BasicAudioRecordingFieldController.java
index 9b238566a418..df9b1a488b6f 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/fields/BasicAudioRecordingFieldController.java
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/fields/BasicAudioRecordingFieldController.java
@@ -21,6 +21,7 @@
 
 import android.content.Context;
 import android.content.Intent;
+import android.util.Log;
 import android.view.Gravity;
 import android.widget.LinearLayout;
 import android.widget.ScrollView;
@@ -32,6 +33,8 @@
 
 import java.io.File;
 
+import timber.log.Timber;
+
 public class BasicAudioRecordingFieldController extends FieldControllerBase implements IFieldController {
 
     /**
@@ -89,13 +92,20 @@ private void addFieldPreview(Context context, LinearLayout layout) {
         label.setText(UiUtil.makeBold(context.getString(R.string.audio_recording_field_list)));
         label.setGravity(Gravity.CENTER_HORIZONTAL);
         previewLayout.addView(label);
-        for (int i = 0; i < this.mNote.getInitialFieldCount(); i++) {
-            IField field = mNote.getInitialField(i);
-            FixedTextView textView = new FixedTextView(context);
-            textView.setText(field.getText());
-            textView.setTextSize(16);
-            textView.setPadding(16, 0, 16, 24);
-            previewLayout.addView(textView);
+
+        // NoSuchMethodError exception occur from visual editor
+        try {
+            for (int i = 0; i < this.mNote.getInitialFieldCount(); i++) {
+                Timber.tag("note number").e("%s", mNote.getInitialFieldCount());
+                IField field = mNote.getInitialField(i);
+                FixedTextView textView = new FixedTextView(context);
+                textView.setText(field.getText());
+                textView.setTextSize(16);
+                textView.setPadding(16, 0, 16, 24);
+                previewLayout.addView(textView);
+            }
+        } catch (NoSuchMethodError e) {
+            Timber.w(e);
         }
     }
 
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/SummerNoteVisualEditor.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/SummerNoteVisualEditor.java
new file mode 100644
index 000000000000..aad4a82fea71
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/SummerNoteVisualEditor.java
@@ -0,0 +1,158 @@
+//noinspection MissingCopyrightHeader #5288
+/*
+MIT License
+
+Copyright (c) 2017 Jhon Kenneth Cariño
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+//Based off https://github.com/jkennethcarino/rtexteditorview/blob/7c0a50240de51ee576793afdfcf4f173e4c609fd/library/src/main/java/com/jkcarino/rtexteditorview/RTextEditorView.java
+
+
+package com.ichi2.anki.multimediacard.visualeditor;
+
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.util.AttributeSet;
+import android.webkit.JavascriptInterface;
+
+import com.ichi2.anki.MediaRegistration;
+import java.util.Locale;
+
+import androidx.annotation.NonNull;
+import timber.log.Timber;
+
+public class SummerNoteVisualEditor extends VisualEditorWebView {
+
+    private final MediaRegistration mMediaRegistration;
+    public SummerNoteVisualEditor(Context context) {
+        super(context);
+        mMediaRegistration = new MediaRegistration(context);
+    }
+
+
+    public SummerNoteVisualEditor(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        mMediaRegistration = new MediaRegistration(context);
+    }
+
+
+    public SummerNoteVisualEditor(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        mMediaRegistration = new MediaRegistration(context);
+    }
+
+
+    public SummerNoteVisualEditor(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        mMediaRegistration = new MediaRegistration(context);
+    }
+
+    @Override
+    public String getJsFunctionName(VisualEditorFunctionality functionality) {
+        switch (functionality) {
+            case BOLD: return "setBold";
+            case ITALIC: return "setItalic";
+            case UNDERLINE: return "setUnderline";
+            case CLEAR_FORMATTING: return "removeFormat";
+            case HORIZONTAL_RULE: return "insertHorizontalRule";
+            case ALIGN_LEFT: return "setAlignLeft";
+            case ALIGN_CENTER: return "setAlignCenter";
+            case ALIGN_RIGHT: return "setAlignRight";
+            case ALIGN_JUSTIFY: return "setAlignJustify";
+            case EDIT_SOURCE: return "editHtml";
+            default: return null;
+        }
+    }
+
+    @Override
+    public void setSelectedTextColor(int color) {
+        execUnsafe("setTextForeColor('" + colorToHex(color) + "');");
+    }
+
+    @Override
+    public void setSelectedBackgroundColor(int color) {
+        execUnsafe("setTextBackColor('" + colorToHex(color) +"');");
+    }
+
+    @Override
+    protected void onPostInit(String utf8Content, String baseUrl) {
+        addJavascriptInterface(this, "VisualEditor");
+        loadDataWithBaseURL(baseUrl + "__visual_editor__.html\"", utf8Content, "text/html; charset=utf-8", "UTF-8", null);
+    }
+
+
+    @Override
+    public void deleteImage(@NonNull String guid) {
+        //noinspection ConstantConditions
+        if (guid == null) {
+            Timber.w("Failed to delete image - no guid");
+            return;
+        }
+        ExecEscaped safeString =  ExecEscaped.fromString(guid);
+        String safeCommand = String.format("deleteImage('%s')", safeString.getEscapedValue());
+        execUnsafe(safeCommand);
+    }
+
+    @JavascriptInterface
+    public void pasteImage() {
+        post(() -> {
+            ClipboardManager clipboardManager = (ClipboardManager)getContext().getSystemService(Context.CLIPBOARD_SERVICE);
+            ClipData pData = clipboardManager.getPrimaryClip();
+            ClipData.Item item = pData.getItemAt(0);
+            if (item.getUri() != null) {
+                String image;
+                try {
+                    image = mMediaRegistration.onImagePaste(item.getUri());
+                    pasteHtml(image);
+                } catch (NullPointerException e) {
+                    Timber.w(e);
+                }
+            }
+        });
+    }
+
+
+    // used ` instead of "/' double or single quotes. They can't be used to declare multiline string.
+    @Override
+    public void pasteHtml(String html) {
+        Timber.v("pasting: %s", html);
+        ExecEscaped safeString = ExecEscaped.fromString(html);
+        execUnsafe("pasteHTML(`" + safeString.getEscapedValue() + "`);");
+    }
+
+    @Override
+    public void insertCloze(int clozeId) {
+        ExecEscaped e = ExecEscaped.fromString(String.format(Locale.US, "cloze(%d)", clozeId));
+        exec(e);
+    }
+
+    @Override
+    public void insertCustomTag(String customPrefix, String customSuffix) {
+        execUnsafe("insertCustomTag('" + customPrefix + "','" + customSuffix + "');");
+    }
+
+    @Override
+    public void setHtml(@NonNull String html) {
+        ExecEscaped s = ExecEscaped.fromString(html);
+        execUnsafe("setHtml(`" + s.getEscapedValue() + "`);");
+    }
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorFunctionality.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorFunctionality.java
new file mode 100644
index 000000000000..e0439b5bdefa
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorFunctionality.java
@@ -0,0 +1,30 @@
+/*
+ *  Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it under
+ *  the terms of the GNU General Public License as published by the Free Software
+ *  Foundation; either version 3 of the License, or (at your option) any later
+ *  version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ *  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.ichi2.anki.multimediacard.visualeditor;
+
+public enum VisualEditorFunctionality {
+    BOLD,
+    ITALIC,
+    UNDERLINE,
+    CLEAR_FORMATTING,
+    HORIZONTAL_RULE,
+    ALIGN_LEFT,
+    ALIGN_CENTER,
+    ALIGN_RIGHT,
+    ALIGN_JUSTIFY,
+    EDIT_SOURCE,
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorToolbar.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorToolbar.java
new file mode 100644
index 000000000000..141202a3d380
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorToolbar.java
@@ -0,0 +1,478 @@
+/*
+ *  Copyright (c) 2021 Akshay Jadhav <jadhavakshay0701@gmail.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it under
+ *  the terms of the GNU General Public License as published by the Free Software
+ *  Foundation; either version 3 of the License, or (at your option) any later
+ *  version.
+ *
+ *  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ *  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ *  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along with
+ *  this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+package com.ichi2.anki.multimediacard.visualeditor;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.net.Uri;
+import android.text.TextUtils;
+import android.util.AttributeSet;
+import android.util.DisplayMetrics;
+import android.util.TypedValue;
+import android.view.Gravity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+
+import com.afollestad.materialdialogs.MaterialDialog;
+import com.ichi2.anki.AnkiDroidApp;
+import com.ichi2.anki.CollectionHelper;
+import com.ichi2.anki.DrawingActivity;
+import com.ichi2.anki.R;
+import com.ichi2.anki.UIUtils;
+import com.ichi2.anki.multimediacard.IMultimediaEditableNote;
+import com.ichi2.anki.multimediacard.activity.MultimediaEditFieldActivity;
+import com.ichi2.anki.multimediacard.activity.VisualEditorActivity;
+import com.ichi2.anki.multimediacard.fields.AudioRecordingField;
+import com.ichi2.anki.multimediacard.fields.IField;
+import com.ichi2.anki.multimediacard.fields.ImageField;
+import com.ichi2.anki.multimediacard.impl.MultimediaEditableNote;
+import com.ichi2.anki.noteeditor.CustomToolbarButton;
+import com.ichi2.anki.servicelayer.NoteService;
+import com.ichi2.anki.web.MathJaxUtils;
+import com.ichi2.libanki.Collection;
+import com.ichi2.libanki.Note;
+import com.mrudultora.colorpicker.ColorPickerDialog;
+import com.mrudultora.colorpicker.listeners.OnSelectColorListener;
+import com.mrudultora.colorpicker.util.ColorItemShape;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+
+import androidx.annotation.IdRes;
+import androidx.annotation.NonNull;
+import androidx.annotation.StringRes;
+import androidx.appcompat.widget.AppCompatImageButton;
+import androidx.appcompat.widget.LinearLayoutCompat;
+import androidx.appcompat.widget.TooltipCompat;
+import timber.log.Timber;
+
+import static com.ichi2.anki.NoteEditor.REQUEST_MULTIMEDIA_EDIT;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.ALIGN_CENTER;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.ALIGN_JUSTIFY;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.ALIGN_LEFT;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.ALIGN_RIGHT;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.BOLD;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.CLEAR_FORMATTING;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.EDIT_SOURCE;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.HORIZONTAL_RULE;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.ITALIC;
+import static com.ichi2.anki.multimediacard.visualeditor.VisualEditorFunctionality.UNDERLINE;
+
+// currently only used for adding new view to linearLayout of VisualEditorToolbar
+public class VisualEditorToolbar extends LinearLayoutCompat {
+
+    VisualEditorActivity mVisualEditorActivity;
+    VisualEditorWebView mWebView;
+
+    private final List<View> mCustomButtons = new ArrayList<>();
+    private Paint mStringPaint;
+
+    private int mForeGroundSelectedColor = Color.BLACK;
+    private int mBackGroundSelectedColor = Color.YELLOW;
+
+    private static final int COLOR_PICKER_FOREGROUND = 1;
+    private static final int COLOR_PICKER_BACKGROUND = 2;
+    public static final int REQUEST_WHITE_BOARD_EDIT = 3;
+
+    public VisualEditorToolbar(Context context) {
+        super(context);
+    }
+
+    public VisualEditorToolbar(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public VisualEditorToolbar(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+    }
+
+    public void setEditorScrollBarButtons(VisualEditorActivity ankiActivity, VisualEditorWebView webView) {
+        this.mWebView = webView;
+        this.mVisualEditorActivity = ankiActivity;
+        int paintSize = dpToPixels(28);
+
+        mStringPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
+        mStringPaint.setTextSize(paintSize);
+        mStringPaint.setColor(Color.BLACK);
+        mStringPaint.setTextAlign(Paint.Align.CENTER);
+
+
+        Resources resources = getResources();
+        SimpleListenerSetup setupAction = (id, functionality, tooltipStringResource) -> {
+            String jsName = mWebView.getJsFunctionName(functionality);
+            if (jsName == null) {
+                Timber.d("Skipping functionality: %s", functionality);
+            }
+            View view = findViewById(id);
+            view.setOnClickListener(v -> mWebView.execFunction(jsName));
+            setTooltip(view, resources.getString(tooltipStringResource));
+        };
+
+        setupAction.apply(R.id.editor_button_bold, BOLD, R.string.visual_editor_tooltip_bold);
+        setupAction.apply(R.id.editor_button_italic, ITALIC, R.string.visual_editor_tooltip_italic);
+        setupAction.apply(R.id.editor_button_underline, UNDERLINE, R.string.visual_editor_tooltip_underline);
+        setupAction.apply(R.id.editor_button_clear_formatting, CLEAR_FORMATTING, R.string.visual_editor_tooltip_clear_formatting);
+        setupAction.apply(R.id.editor_button_horizontal_rule, HORIZONTAL_RULE, R.string.visual_editor_tooltip_horizontal_line);
+        setupAction.apply(R.id.editor_button_align_left, ALIGN_LEFT, R.string.visual_editor_tooltip_align_left);
+        setupAction.apply(R.id.editor_button_align_center, ALIGN_CENTER, R.string.visual_editor_tooltip_align_center);
+        setupAction.apply(R.id.editor_button_align_right, ALIGN_RIGHT, R.string.visual_editor_tooltip_align_right);
+        setupAction.apply(R.id.editor_button_align_justify, ALIGN_JUSTIFY, R.string.visual_editor_tooltip_align_justify);
+        setupAction.apply(R.id.editor_button_view_html, EDIT_SOURCE, R.string.visual_editor_tooltip_view_source); //this is a toggle.
+
+        AndroidListenerSetup setupAndroidListener = (id, function, tooltipId) -> {
+            View view = findViewById(id);
+            view.setOnClickListener(v -> function.run());
+            setTooltip(view, resources.getString(tooltipId));
+        };
+        setupAndroidListener.apply(R.id.editor_button_customs, this::displayAddToolbarDialog, R.string.visual_editor_custom_buttons);
+        setupAndroidListener.apply(R.id.editor_button_white_board, this::openWhiteBoard, R.string.visual_editor_white_board); // opens drawingActivity
+        setupAndroidListener.apply(R.id.editor_button_cloze, this::performCloze, R.string.visual_editor_tooltip_cloze);
+        setupAndroidListener.apply(R.id.editor_button_insert_mathjax, this::insertMathJax, R.string.visual_editor_tooltip_mathjax);
+        setupAndroidListener.apply(R.id.editor_button_add_image, this::openAdvancedViewerForAddImage, R.string.visual_editor_tooltip_add_image);
+        setupAndroidListener.apply(R.id.editor_button_record_audio, this::openAdvancedViewerForRecordAudio, R.string.visual_editor_tooltip_record_audio);
+        setupAndroidListener.apply(R.id.editor_button_text_color, () -> this.openColorPicker(COLOR_PICKER_FOREGROUND, mForeGroundSelectedColor), R.string.visual_editor_tooltip_text_color);
+        setupAndroidListener.apply(R.id.editor_button_background_color, () -> this.openColorPicker(COLOR_PICKER_BACKGROUND, mBackGroundSelectedColor), R.string.visual_editor_tooltip_background_color);
+
+
+        updateCustomButtons();
+    }
+
+    private void openAdvancedViewerForRecordAudio() {
+        if (!checkCollectionHasLoaded(R.string.visual_editor_could_not_start_add_audio)) {
+            return;
+        }
+        IField field = new AudioRecordingField();
+        openMultimediaEditor(field);
+    }
+
+
+    private void openAdvancedViewerForAddImage() {
+        if (!checkCollectionHasLoaded(R.string.visual_editor_could_not_start_add_image)) {
+            return;
+        }
+
+        IField field = new ImageField();
+        openMultimediaEditor(field);
+    }
+
+    private void openMultimediaEditor(IField field) {
+        IMultimediaEditableNote note = getCurrentMultimediaEditableNote(mVisualEditorActivity.getCol());
+        if (note != null) {
+            note.setField(0, field);
+            Intent editCard = new Intent(mVisualEditorActivity, MultimediaEditFieldActivity.class);
+            editCard.putExtra(MultimediaEditFieldActivity.EXTRA_FIELD_INDEX, 0);
+            editCard.putExtra(MultimediaEditFieldActivity.EXTRA_FIELD, field);
+            editCard.putExtra(MultimediaEditFieldActivity.EXTRA_WHOLE_NOTE, note);
+            mVisualEditorActivity.startActivityForResultWithoutAnimation(editCard, REQUEST_MULTIMEDIA_EDIT);
+        }
+    }
+
+
+    private MultimediaEditableNote getCurrentMultimediaEditableNote(Collection col) {
+        MultimediaEditableNote note = NoteService.createEmptyNote(Objects.requireNonNull(col.getModels().get(mVisualEditorActivity.getModelId())));
+
+        String[] fields = mVisualEditorActivity.getFields();
+        NoteService.updateMultimediaNoteFromFields(col, fields, mVisualEditorActivity.getModelId(), note);
+        return note;
+    }
+
+    @SuppressWarnings("BooleanMethodIsAlwaysInverted")
+    private boolean checkCollectionHasLoaded(@StringRes int resId) {
+        if (mVisualEditorActivity.getModelId() == 0 || !mVisualEditorActivity.hasLoadedCol()) {
+            //Haven't loaded yet.
+            UIUtils.showThemedToast(mVisualEditorActivity, mVisualEditorActivity.getString(resId), false);
+            return false;
+        }
+        return true;
+    }
+
+
+
+    private void insertMathJax() {
+        mWebView.pasteHtml(MathJaxUtils.getMathJaxInsertionString());
+    }
+
+
+    private void setTooltip(View view, String tooltip) {
+        TooltipCompat.setTooltipText(view, tooltip);
+    }
+
+
+    private void openColorPicker(int dialogId, Integer defaultColor) {
+        // colors used in presets
+        ColorPickerDialog colorPickerDialog = new ColorPickerDialog(mVisualEditorActivity);   // Pass the context.
+        colorPickerDialog.setColors()
+                .setColumns(5)                        		// Default number of columns is 5.
+                .setDefaultSelectedColor(defaultColor)		// By default no color is used.
+                .setColorItemShape(ColorItemShape.SQUARE)
+                .setOnSelectColorListener(new OnSelectColorListener() {
+                    @Override
+                    public void onColorSelected(int color, int position) {
+                        if (dialogId == COLOR_PICKER_FOREGROUND) {
+                            mForeGroundSelectedColor = color;
+                            mWebView.setSelectedTextColor(color);
+                        } else if (dialogId == COLOR_PICKER_BACKGROUND) {
+                            mBackGroundSelectedColor = color;
+                            mWebView.setSelectedBackgroundColor(color);
+                        }
+                    }
+                    @Override
+                    public void cancel() {
+                        colorPickerDialog.dismissDialog();	// Dismiss the dialog.
+                    }
+                }).show();
+        colorPickerDialog.getPositiveButton().setTextSize(TypedValue.COMPLEX_UNIT_SP,14f);
+        colorPickerDialog.getNegativeButton().setTextSize(TypedValue.COMPLEX_UNIT_SP,14f);
+    }
+
+    private void performCloze() {
+        mWebView.insertCloze(getNextClozeId());
+    }
+
+    private int getNextClozeId() {
+        List<String> fields = Arrays.asList(mVisualEditorActivity.getFields());
+        fields.set(mVisualEditorActivity.getIndex(), mVisualEditorActivity.getCurrentText());
+        return Note.ClozeUtils.getNextClozeIndex(fields);
+    }
+
+    private void openWhiteBoard() {
+        mVisualEditorActivity.startActivityForResultWithoutAnimation(new Intent(mVisualEditorActivity, DrawingActivity.class), REQUEST_WHITE_BOARD_EDIT);
+    }
+
+    private void updateCustomButtons() {
+
+        ArrayList<CustomToolbarButton> buttons = getToolbarButtons();
+
+        clearCustomItems();
+
+        for (CustomToolbarButton b : buttons) {
+
+            // 0th button shows as '1' and is Ctrl + 1
+            int visualIndex = b.getIndex() + 1;
+            String text = Integer.toString(visualIndex);
+            Drawable bmp = createDrawableForString(text);
+
+            AppCompatImageButton v = new AppCompatImageButton(mVisualEditorActivity);
+            v.setBackgroundDrawable(bmp);
+            mCustomButtons.add(v);
+            addView(v);
+
+            // Allow Ctrl + 1...Ctrl + 0 for item 10.
+            v.setTag(Integer.toString(visualIndex % 10));
+
+            v.setOnClickListener(view -> mWebView.insertCustomTag(b.getPrefix(), b.getSuffix()));
+
+            v.setOnLongClickListener(discard -> {
+                suggestRemoveButton(b);
+                return true;
+            });
+        }
+    }
+
+    @NonNull
+    public View insertItem(int id, Drawable drawable, com.ichi2.anki.noteeditor.Toolbar.TextFormatter formatter) {
+        return insertItem(id, drawable, () -> onFormat(formatter));
+    }
+
+
+    private void onFormat(com.ichi2.anki.noteeditor.Toolbar.TextFormatter formatter) {
+        mWebView.pasteHtml(formatter.toString());
+    }
+
+
+    @NonNull
+    public AppCompatImageButton insertItem(@IdRes int id, Drawable drawable, Runnable runnable) {
+        AppCompatImageButton button = new AppCompatImageButton(mVisualEditorActivity);
+        button.setId(id);
+        button.setBackgroundDrawable(drawable);
+
+        // apply style
+        int marginEnd = (int) Math.ceil(8 / getResources().getDisplayMetrics().density);
+        LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+        params.gravity = Gravity.CENTER;
+        params.setMarginEnd(marginEnd);
+        button.setLayoutParams(params);
+
+
+        int fourDp = (int) Math.ceil(4 / getResources().getDisplayMetrics().density);
+
+        button.setPadding(fourDp, fourDp, fourDp, fourDp);
+        // end apply style
+
+
+        this.addView(button, getChildCount());
+        mCustomButtons.add(button);
+        button.setOnClickListener(l -> runnable.run());
+
+        // Hack - items are truncated from the scrollview
+        View v = findViewById(R.id.editor_toolbar_internal);
+
+        int expectedWidth = getVisibleItemCount() * dpToPixels(48 + 2 * 4); //width + 4dp padding on both sides
+        int width = getScreenWidth();
+        FrameLayout.LayoutParams p = new FrameLayout.LayoutParams(v.getLayoutParams());
+        p.gravity = Gravity.CENTER_VERTICAL | ((expectedWidth > width) ? Gravity.START : Gravity.CENTER_HORIZONTAL);
+        v.setLayoutParams(p);
+
+        return button;
+    }
+
+    @SuppressWarnings("deprecation")
+    protected int getScreenWidth() {
+        DisplayMetrics displayMetrics = new DisplayMetrics();
+        mVisualEditorActivity.getWindowManager()
+                .getDefaultDisplay()
+                .getMetrics(displayMetrics);
+        return displayMetrics.widthPixels;
+    }
+
+    private int getVisibleItemCount() {
+        int count = 0;
+        for (int i = 0; i < getChildCount(); i++) {
+            if (getChildAt(i).getVisibility() == View.VISIBLE){
+                count++;
+            }
+        }
+        return count;
+    }
+
+    public void clearCustomItems() {
+        for (View v : mCustomButtons) {
+            removeView(v);
+        }
+        mCustomButtons.clear();
+    }
+
+
+    private void displayAddToolbarDialog() {
+        new MaterialDialog.Builder(mVisualEditorActivity)
+                .title(R.string.add_toolbar_item)
+                .customView(R.layout.note_editor_toolbar_add_custom_item, true)
+                .positiveText(R.string.dialog_positive_create)
+                .neutralText(R.string.help)
+                .negativeText(R.string.dialog_cancel)
+                .onNeutral((m, v) -> mVisualEditorActivity.openUrl(Uri.parse(mVisualEditorActivity.getString(R.string.link_manual_note_format_toolbar))))
+                .onPositive((m, v) -> {
+                    View view = m.getView();
+                    EditText et =  view.findViewById(R.id.note_editor_toolbar_before);
+                    EditText et2 = view.findViewById(R.id.note_editor_toolbar_after);
+
+                    addToolbarButton(et.getText().toString(), et2.getText().toString());
+                })
+                .show();
+    }
+
+    private void addToolbarButton(String prefix, String suffix) {
+        if (TextUtils.isEmpty(prefix) && TextUtils.isEmpty(suffix)) {
+            return;
+        }
+
+        ArrayList<CustomToolbarButton> toolbarButtons = getToolbarButtons();
+
+        toolbarButtons.add(new CustomToolbarButton(toolbarButtons.size(), prefix, suffix));
+        saveToolbarButtons(toolbarButtons);
+
+        updateCustomButtons();
+    }
+
+
+
+    private void suggestRemoveButton(CustomToolbarButton button) {
+        new MaterialDialog.Builder(mVisualEditorActivity)
+                .title(R.string.remove_toolbar_item)
+                .positiveText(R.string.dialog_positive_delete)
+                .negativeText(R.string.dialog_cancel)
+                .onPositive((dialog, action) -> removeButton(button))
+                .show();
+    }
+
+    private void removeButton(CustomToolbarButton button) {
+        ArrayList<CustomToolbarButton> toolbarButtons = getToolbarButtons();
+
+        toolbarButtons.remove(button.getIndex());
+
+        saveToolbarButtons(toolbarButtons);
+        updateCustomButtons();
+    }
+
+    private void saveToolbarButtons(ArrayList<CustomToolbarButton> buttons) {
+        AnkiDroidApp.getSharedPrefs(mVisualEditorActivity).edit()
+                .putStringSet("note_editor_custom_buttons", CustomToolbarButton.toStringSet(buttons))
+                .apply();
+    }
+
+    private int dpToPixels(int value) {
+        return (int) TypedValue.applyDimension(
+                TypedValue.COMPLEX_UNIT_DIP,
+                value,
+                getResources().getDisplayMetrics()
+        );
+    }
+
+    @NonNull
+    public Drawable createDrawableForString(String text) {
+        float baseline = -mStringPaint.ascent();
+        int size = (int) (baseline + mStringPaint.descent() + 0.5f);
+
+        Bitmap image = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
+        Canvas canvas = new Canvas(image);
+
+        canvas.drawText(text, size /2f, baseline, mStringPaint);
+
+        return new BitmapDrawable(getResources(), image);
+    }
+
+
+    @NonNull
+    private ArrayList<CustomToolbarButton> getToolbarButtons() {
+        Set<String> set = AnkiDroidApp.getSharedPrefs(mVisualEditorActivity).getStringSet("note_editor_custom_buttons", new HashSet<>(0));
+        return CustomToolbarButton.fromStringSet(set);
+    }
+
+
+    /** Setup a button which executes a JavaScript runnable */
+    @FunctionalInterface
+    protected interface SimpleListenerSetup {
+        void apply(@IdRes int buttonId, VisualEditorFunctionality function, @StringRes int tooltipText);
+    }
+
+    /** A button which performs an Android Runnable */
+    @FunctionalInterface
+    protected interface AndroidListenerSetup {
+        void apply(@IdRes int buttonId, Runnable function, @StringRes int tooltipText);
+    }
+
+
+}
\ No newline at end of file
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorWebView.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorWebView.java
new file mode 100644
index 000000000000..7710c63f2ee0
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/VisualEditorWebView.java
@@ -0,0 +1,385 @@
+//noinspection MissingCopyrightHeader #5288
+/*
+MIT License
+
+Copyright (c) 2017 Jhon Kenneth Cariño
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+//Based off https://github.com/jkennethcarino/rtexteditorview/blob/7c0a50240de51ee576793afdfcf4f173e4c609fd/library/src/main/java/com/jkcarino/rtexteditorview/RTextEditorView.java
+
+package com.ichi2.anki.multimediacard.visualeditor;
+
+import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
+import android.os.Build;
+import android.util.AttributeSet;
+import android.util.Base64;
+import android.webkit.ConsoleMessage;
+import android.webkit.JavascriptInterface;
+import android.webkit.WebChromeClient;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+
+import com.ichi2.themes.Themes;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Locale;
+import java.util.function.Consumer;
+
+import androidx.annotation.CheckResult;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import timber.log.Timber;
+
+public abstract class VisualEditorWebView extends WebView {
+
+    private String mContent;
+
+    private OnTextChangeListener mOnTextChangeListener;
+    private SelectionChangeListener mSelectionChangedListener;
+    private boolean mIsReady;
+
+    public VisualEditorWebView(Context context) {
+        super(context);
+    }
+
+
+    public VisualEditorWebView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+
+    public VisualEditorWebView(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public VisualEditorWebView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    public void init(String utf8Content, String baseUrl) {
+        WebSettings settings = getSettings();
+        settings.setCacheMode(WebSettings.LOAD_NO_CACHE);
+        settings.setJavaScriptEnabled(true);
+        settings.setDomStorageEnabled(true);
+
+        setWebChromeClient(getDefaultWebChromeClient());
+        setWebViewClient(getDefaultWebViewClient());
+        onPostInit(utf8Content, baseUrl);
+    }
+
+
+    protected abstract void onPostInit(String utf8Content, String baseUrl);
+
+
+    @JavascriptInterface
+    public void onEditorContentChanged(String content) {
+        if (mOnTextChangeListener != null) {
+            mOnTextChangeListener.onTextChanged(content);
+        }
+        this.mContent = content;
+    }
+
+    /** SELECTION */
+
+    @JavascriptInterface
+    public void onImageSelection(String guid, String src) {
+        Timber.d("onImageSelection %s", src);
+        onSelectionChanged(SelectionType.imageFromSrc(guid, src));
+    }
+
+    @JavascriptInterface
+    public void onRegularSelection() {
+        onSelectionChanged(SelectionType.REGULAR);
+    }
+
+    protected void onSelectionChanged(SelectionType selection) {
+        SelectionChangeListener listener = getSelectionChangedListener();
+        if (listener == null) {
+            return;
+        }
+        listener.onSelectionChanged(selection);
+    }
+
+    public void setSelectionChangedListener(SelectionChangeListener listener) {
+        this.mSelectionChangedListener = listener;
+    }
+
+    public SelectionChangeListener getSelectionChangedListener() {
+        return this.mSelectionChangedListener;
+    }
+
+    /** END SELECTION */
+
+    public boolean isReady() {
+        return mIsReady;
+    }
+
+
+    public OnTextChangeListener getOnTextChangeListener() {
+        return mOnTextChangeListener;
+    }
+
+
+    public void setOnTextChangeListener(OnTextChangeListener onTextChangeListener) {
+        this.mOnTextChangeListener = onTextChangeListener;
+    }
+
+
+    protected WebViewClient getDefaultWebViewClient() {
+        return new VisualEditorWebViewClient();
+    }
+
+    protected WebChromeClient getDefaultWebChromeClient() {
+        return new WebChromeClient() {
+
+            @Override
+            public boolean onConsoleMessage(ConsoleMessage consoleMessage) {
+                String message = String.format(Locale.US, "%s (%s:%d)",
+                        consoleMessage.message(),
+                        consoleMessage.sourceId(),
+                        consoleMessage.lineNumber());
+
+
+                getLevel(consoleMessage).accept(message);
+                return super.onConsoleMessage(consoleMessage);
+            }
+
+            @CheckResult
+            private Consumer<String> getLevel(ConsoleMessage consoleMessage) {
+                switch (consoleMessage.messageLevel()) {
+                    case WARNING: return Timber::w;
+                    case ERROR: return Timber::e;
+                    case LOG: return Timber::i;
+
+                    case DEBUG:
+                    case TIP:
+                    default: return Timber::d;
+                }
+            }
+        };
+    }
+
+    public abstract void setHtml(@NonNull String html);
+
+    /** Executes a JavaScript function which has no arguments */
+    public void execFunction(String functionName) {
+        execUnsafe(functionName + "();");
+    }
+
+    public void exec(@NonNull final ExecEscaped safeString) {
+        String unsafeString = safeString.getEscapedValue();
+        if (unsafeString == null) {
+            return;
+        }
+        execUnsafe(unsafeString);
+    }
+
+    protected void execUnsafe(@NonNull final String unsafeString) {
+        execInternal("javascript:" + unsafeString);
+    }
+
+
+    private void execInternal(@NonNull final String valueToExec) {
+        //Note: don't mutate valueToExec due to the postDelayed
+        if (mIsReady) {
+            load(valueToExec);
+        } else {
+            postDelayed(() -> execInternal(valueToExec), 100);
+        }
+    }
+
+
+    private void load(@NonNull String trigger) {
+        Timber.v("Executing JS: '%s'", trigger);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+            evaluateJavascript(trigger, null);
+        } else {
+            loadUrl(trigger);
+        }
+    }
+
+
+    @JavascriptInterface
+    public void setClipboard(String data) {
+        Timber.d("setClipboard: %s", data);
+        ClipboardManager clipboard = (ClipboardManager) this.getContext().getSystemService(Context.CLIPBOARD_SERVICE);
+        ClipData clip = ClipData.newHtmlText("Visual Editor Clipboard", data, data);
+        clipboard.setPrimaryClip(clip);
+    }
+
+     @JavascriptInterface
+    public void updateCurrentStyle(String style) {
+         //Required by existing JS, but currently unused.
+    }
+
+    public String getContent() {
+        return mContent;
+    }
+
+    public void injectCss(String css) {
+        Timber.v("Applying CSS: %s", css);
+        //Snippet from https://stackoverflow.com/a/30018910
+        try {
+            byte[] data = css.getBytes(StandardCharsets.UTF_8);
+            String encoded = Base64.encodeToString(data, Base64.NO_WRAP);
+            // Base-64 decode in the browser.
+            this.execInternal("javascript:(function() {" +
+                    "var parent = document.getElementsByTagName('head').item(0);" +
+                    "var style = document.createElement('style');" +
+                    "style.type = 'text/css';" +
+                    "style.innerHTML = window.atob('" + encoded + "');" +
+                    "parent.appendChild(style)" +
+                    "})()");
+        } catch (Exception e) {
+            Timber.w(e);
+        }
+    }
+
+    public abstract String getJsFunctionName(@NonNull VisualEditorFunctionality functionality);
+
+    public abstract void deleteImage(@NonNull String guid);
+
+    public abstract void pasteHtml(String html);
+
+    public abstract void setSelectedTextColor(int color);
+
+    public abstract void setSelectedBackgroundColor(int color);
+
+    protected String colorToHex(int color) {
+        return String.format("#%06X", (color & 0xFFFFFF));
+    }
+
+    public void setNightMode(boolean nightMode, int currentTheme) {
+        if (nightMode) {
+            if (currentTheme == Themes.THEME_NIGHT_DARK) {
+                execUnsafe("$(\"body\").addClass(\"night_mode_dark_mode\");");
+            } else {
+                execUnsafe("$(\"body\").addClass(\"night_mode_black_mode\");");
+            }
+        } else {
+            // remove night
+            execUnsafe("$(\"body\").removeClass(\"night_mode_dark_mode\");");
+            execUnsafe("$(\"body\").removeClass(\"night_mode_black_mode\");");
+        }
+    }
+
+    public void load() {
+        execFunction("resizeImages"); //This is called on window.onload in the card viewer.
+    }
+
+    public abstract void insertCloze(int clozeId);
+
+    public abstract void insertCustomTag(String customPrefix, String customSuffix);
+
+
+    public static class ExecEscaped {
+        private final String mEscapedValue;
+
+        protected ExecEscaped(@Nullable String value) {
+            this.mEscapedValue = value;
+        }
+
+        @Nullable
+        public String getEscapedValue() {
+            return mEscapedValue;
+        }
+
+        public static ExecEscaped fromString(String s) {
+            if (s == null) {
+                return new ExecEscaped(s);
+            }
+            return new ExecEscaped(escapeString(s));
+        }
+
+
+        public static String escapeString(String s) {
+            //\ is for MathJax
+            return s.replace("\\", "\\\\").replace("'", "\\'");
+        }
+    }
+
+    /** TODO: Crash Protection */
+    protected class VisualEditorWebViewClient extends WebViewClient {
+
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            mIsReady = true; //TODO: ideally we should confirm the url
+            super.onPageFinished(view, url);
+        }
+
+        @Override
+        @SuppressWarnings("deprecation") //TODO
+        public boolean shouldOverrideUrlLoading(WebView view, String url) {
+            Timber.i("TODO: Intercepted %s", url);
+            view.loadUrl(url);
+            return true;
+        }
+
+        @TargetApi(Build.VERSION_CODES.N)
+        @Override
+        public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
+            view.loadUrl(request.getUrl().toString());
+            return true;
+        }
+    }
+
+    @FunctionalInterface
+    public interface SelectionChangeListener {
+        void onSelectionChanged(SelectionType selection);
+    }
+
+    public enum SelectionType {
+        REGULAR,
+        IMAGE;
+
+        private String mData;
+        private String mGuid;
+
+        public static SelectionType imageFromSrc(String guid, String src) {
+            SelectionType type = SelectionType.IMAGE;
+            type.mData = src;
+            type.mGuid = guid;
+            return type;
+        }
+
+
+        public String getImageSrc() {
+            return mData;
+        }
+
+
+        public String getGuid() {
+            return mGuid;
+        }
+    }
+
+    public interface OnTextChangeListener {
+        void onTextChanged(String content);
+    }
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/WebViewUndoRedo.java b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/WebViewUndoRedo.java
new file mode 100644
index 000000000000..d3de2b0cd351
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/multimediacard/visualeditor/WebViewUndoRedo.java
@@ -0,0 +1,252 @@
+/*
+ Copyright (c) 2021 Akshay Jadhav <jadhavAkshay0701@gmail.com>
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3 of the License, or (at your option) any later
+ version.
+ This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ You should have received a copy of the GNU General Public License along with
+ this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+package com.ichi2.anki.multimediacard.visualeditor;
+
+
+import com.ichi2.anki.multimediacard.activity.VisualEditorActivity;
+
+import java.util.LinkedList;
+
+/**
+ * A generic undo/redo implementation for Visual Editor.
+ *
+ * About WebViewUndoRedo Implementation
+ *
+ * I used LinkedList data structure to store all changes of editor in a linear way,
+ * and maintained pointer which will point to the current version of the editor,
+ * user can use undo/redo by simply incrementing pointer or decrementing,
+ * for now, I set the max size of LinkedList history 20.
+ *
+ * THIS CLASS IS PROVIDED TO THE PUBLIC DOMAIN FOR FREE WITHOUT ANY
+ * RESTRICTIONS OR ANY WARRANTY.
+ *
+ * reference: https://www.programmersought.com/article/61722948894/
+ *
+ */
+public class WebViewUndoRedo {
+
+    /**
+     * Is undo/redo being performed? This member signals if an undo/redo
+     * operation is currently being performed. Changes in the editor during
+     * undo/redo are not recorded because it would mess up the undo history.
+     */
+    private boolean mIsUndoOrRedo = false;
+
+    /**
+     * The edit history.
+     */
+    private final EditHistory mEditHistory;
+
+    /**
+     * The main content holders.
+     */
+    private final VisualEditorWebView mVisualEditorWebView;
+    private final VisualEditorActivity mVisualEditorActivity;
+
+    // =================================================================== //
+
+    /**
+     * Create a new WebViewUndoRedo.
+     *
+     * @param visualEditorWebView
+     * undo/redo is implemented.
+     */
+    public WebViewUndoRedo(VisualEditorActivity visualEditorActivity, VisualEditorWebView visualEditorWebView) {
+
+        mVisualEditorWebView = visualEditorWebView;
+        mVisualEditorActivity = visualEditorActivity;
+
+        //set previous content
+        setContent(visualEditorActivity.getCurrentText());
+        mEditHistory = new EditHistory();
+        setMaxHistorySize(20);
+
+        // listener
+        mVisualEditorWebView.setOnTextChangeListener(this::onTextChanged);
+    }
+
+
+    // =================================================================== //
+
+    /**
+     * Set the maximum history size. If size is negative, then history size is
+     * only limited by the device memory.
+     */
+    public void setMaxHistorySize(int maxHistorySize) {
+        mEditHistory.setMaxHistorySize(maxHistorySize);
+    }
+
+    /**
+     * Clear history.
+     */
+    public void clearHistory() {
+        mEditHistory.clear();
+    }
+
+    /**
+     * Can undo be performed?
+     */
+    public boolean getCanUndo() {
+        return (mEditHistory.mMPosition > 0);
+    }
+
+    /**
+     * Perform undo.
+     */
+    public void undo() {
+        if (!getCanUndo()) {
+            return;
+        }
+        String edit = mEditHistory.getPrevious();
+        setContent(edit);
+    }
+
+    /**
+     * Can redo be performed?
+     */
+    public boolean getCanRedo() {
+        return (mEditHistory.mMPosition < mEditHistory.mMHistory.size());
+    }
+
+    /**
+     * Perform redo.
+     */
+    public void redo() {
+        if (!getCanRedo()) {
+            return;
+        }
+        String edit = mEditHistory.getNext();
+        setContent(edit);
+    }
+
+
+    public void setContent(String edit) {
+        if (edit == null) {
+            return;
+        }
+        mIsUndoOrRedo = true;
+        mVisualEditorWebView.setHtml(edit);
+        mVisualEditorWebView.load();
+        mVisualEditorActivity.setCurrentText(edit);
+    }
+
+
+    private void onTextChanged(String s) {
+        if (!mIsUndoOrRedo) {
+            mEditHistory.add(s);
+        }
+        mIsUndoOrRedo = false;
+        mVisualEditorActivity.invalidateOptionsMenu();
+    }
+
+    // =================================================================== //
+
+    /**
+     * Keeps track of all the edit history of a text.
+     */
+    @SuppressWarnings("InnerClassMayBeStatic")
+    private final class EditHistory {
+
+        /**
+         * The position from which an EditItem will be retrieved when getNext()
+         * is called. If getPrevious() has not been called, this has the same
+         * value as mmHistory.size().
+         */
+        private int mMPosition = 0;
+
+        /**
+         * Maximum undo history size.
+         */
+        private int mMMaxHistorySize = -1;
+
+        /**
+         * The list of edits in chronological order.
+         */
+        private final LinkedList<String> mMHistory = new LinkedList<String>();
+
+        /**
+         * Clear history.
+         */
+        private void clear() {
+            mMPosition = 0;
+            mMHistory.clear();
+        }
+
+        /**
+         * Adds a new edit operation to the history at the current position. If
+         * executed after a call to getPrevious() removes all the future history
+         * (elements with positions >= current history position).
+         */
+        private void add(String item) {
+            mMHistory.add(item);
+            mMPosition++;
+
+            if (mMMaxHistorySize >= 0) {
+                trimHistory();
+            }
+            mVisualEditorActivity.setCurrentText(item);
+        }
+
+        /**
+         * Set the maximum history size. If size is negative, then history size
+         * is only limited by the device memory.
+         */
+        private void setMaxHistorySize(int maxHistorySize) {
+            mMMaxHistorySize = maxHistorySize;
+            if (mMMaxHistorySize >= 0) {
+                trimHistory();
+            }
+        }
+
+        /**
+         * Trim history when it exceeds max history size.
+         */
+        private void trimHistory() {
+            while (mMHistory.size() > mMMaxHistorySize) {
+                mMHistory.removeFirst();
+                mMPosition--;
+            }
+
+            if (mMPosition < 0) {
+                mMPosition = 0;
+            }
+        }
+
+        /**
+         * Traverses the history backward by one position, returns and item at
+         * that position.
+         */
+        private String getPrevious() {
+            if (mMPosition == 0) {
+                return null;
+            }
+            mMPosition = mMPosition - 1;
+            return mMHistory.get(mMPosition);
+        }
+
+        /**
+         * Traverses the history forward by one position, returns and item at
+         * that position.
+         */
+        private String getNext() {
+            if (mMPosition >= mMHistory.size() - 1) {
+                return null;
+            }
+            mMPosition = mMPosition + 1;
+            return mMHistory.get(mMPosition);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/noteeditor/CustomToolbarButton.kt b/AnkiDroid/src/main/java/com/ichi2/anki/noteeditor/CustomToolbarButton.kt
index 7b1fb061cdf3..74ae577d7f0b 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/noteeditor/CustomToolbarButton.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/noteeditor/CustomToolbarButton.kt
@@ -27,6 +27,16 @@ class CustomToolbarButton(var index: Int, private val prefix: String, private va
         return TextWrapper(prefix, suffix)
     }
 
+    // In Visual Editor we just need pre and suf fix string
+    // and createRange() javascript function will return selected Text and we will append prefix and suffix to it.
+    fun getPrefix(): String {
+        return prefix
+    }
+
+    fun getSuffix(): String {
+        return suffix
+    }
+
     companion object {
         private const val KEEP_EMPTY_ENTRIES = -1
         fun fromString(s: String?): CustomToolbarButton? {
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/servicelayer/NoteService.kt b/AnkiDroid/src/main/java/com/ichi2/anki/servicelayer/NoteService.kt
index 081236e9c9a1..f22862cc7618 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/servicelayer/NoteService.kt
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/servicelayer/NoteService.kt
@@ -145,6 +145,13 @@ object NoteService {
         // }
     }
 
+    @JvmStatic
+    fun updateMultimediaNoteFromJsonNote(col: com.ichi2.libanki.Collection?, editorNoteSrc: Note, noteDst: IMultimediaEditableNote?) {
+        if (noteDst is MultimediaEditableNote) {
+            updateMultimediaNoteFromFields(col, editorNoteSrc.fields, editorNoteSrc.mid, (noteDst as MultimediaEditableNote?)!!)
+        }
+    }
+
     /**
      * Considering the field is new, if it has media handle it
      *
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/web/MathJaxUtils.java b/AnkiDroid/src/main/java/com/ichi2/anki/web/MathJaxUtils.java
new file mode 100644
index 000000000000..9e2353d6b1e7
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/web/MathJaxUtils.java
@@ -0,0 +1,28 @@
+/*
+ Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3 of the License, or (at your option) any later
+ version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.ichi2.anki.web;
+
+public class MathJaxUtils {
+    private static final String sMathJaxStart = "\\(";
+    private static final String sMathJaxEnd = "\\)";
+    private static final String sMathJax = sMathJaxStart + sMathJaxEnd;
+
+    /** Returns the string to add at the cursor when inserting MathJax */
+    public static String getMathJaxInsertionString() {
+        return sMathJax;
+    }
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/compat/CompatV21.java b/AnkiDroid/src/main/java/com/ichi2/compat/CompatV21.java
index 05866f28dcc6..87f49223f6dd 100644
--- a/AnkiDroid/src/main/java/com/ichi2/compat/CompatV21.java
+++ b/AnkiDroid/src/main/java/com/ichi2/compat/CompatV21.java
@@ -122,7 +122,7 @@ public long copyFile(@NonNull InputStream source, @NonNull String target) throws
     }
 
     // Internal implementation under the API26 copyFile APIs
-    private long copyFile(@NonNull InputStream source, @NonNull OutputStream target) throws IOException {
+    public static long copyFile(@NonNull InputStream source, @NonNull OutputStream target) throws IOException {
         // balance memory and performance, it appears 32k is the best trade-off
         // https://stackoverflow.com/questions/10143731/android-optimal-buffer-size
         final byte[] buffer = new byte[1024 * 32];
diff --git a/AnkiDroid/src/main/java/com/ichi2/libanki/Models.java b/AnkiDroid/src/main/java/com/ichi2/libanki/Models.java
index 902acb2ed3ce..acc62abc8735 100644
--- a/AnkiDroid/src/main/java/com/ichi2/libanki/Models.java
+++ b/AnkiDroid/src/main/java/com/ichi2/libanki/Models.java
@@ -1032,6 +1032,9 @@ public static ArrayList<Integer> _availStandardOrds(Model m, String[] sfld, List
         return avail;
     }
 
+    public static boolean isCloze(JSONObject model) {
+        return model.getInt("type") == Consts.MODEL_CLOZE;
+    }
 
     /**
      * @param m A note type with cloze
diff --git a/AnkiDroid/src/main/java/com/ichi2/utils/AssetReader.java b/AnkiDroid/src/main/java/com/ichi2/utils/AssetReader.java
new file mode 100644
index 000000000000..60f93ff50b19
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/utils/AssetReader.java
@@ -0,0 +1,28 @@
+//noinspection MissingCopyrightHeader #9048
+package com.ichi2.utils;
+
+import android.content.Context;
+
+import com.ichi2.compat.CompatV21;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+public class AssetReader {
+    private final Context mContext;
+
+    public AssetReader(Context context) {
+        this.mContext = context;
+    }
+
+    public String loadAsUtf8String(String assetName) throws IOException {
+        try (InputStream is = mContext.getAssets().open(assetName);
+             ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
+
+            CompatV21.copyFile(is, bos);
+
+            return new String(bos.toByteArray(), "UTF-8");
+        }
+    }
+}
diff --git a/AnkiDroid/src/main/java/com/ichi2/utils/LargeObjectStorage.java b/AnkiDroid/src/main/java/com/ichi2/utils/LargeObjectStorage.java
new file mode 100644
index 000000000000..ac8e605118da
--- /dev/null
+++ b/AnkiDroid/src/main/java/com/ichi2/utils/LargeObjectStorage.java
@@ -0,0 +1,163 @@
+/*
+ Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+
+ This program is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3 of the License, or (at your option) any later
+ version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.ichi2.utils;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import com.ichi2.compat.CompatHelper;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+
+import androidx.annotation.Nullable;
+import timber.log.Timber;
+
+/**
+ * Class to allow the transfer of large data between activities (currently) using a static cache file.
+ *
+ * This is due to the data limit on a Bundle (TransactionTooLargeException) after ~500KB+ of data.
+ *
+ * Using a single file pre data item means we will not excessively use cached data.
+ */
+public class LargeObjectStorage {
+    private final Context mContext;
+
+    public LargeObjectStorage(Context context) {
+        mContext = context;
+    }
+
+    public <T extends Serializable> void storeSingleInstance(StorageData<T> data, Bundle bundle) throws IOException {
+        Timber.i("Setting '%s'", data.getBundleKey());
+        bundle.putString(data.getBundleKey(), "1");
+        writeFile(data);
+    }
+
+    private <T extends Serializable> void writeFile(StorageData<T> data) throws IOException {
+        ByteArrayInputStream inputStream = null;
+        try (ByteArrayOutputStream source = new ByteArrayOutputStream();
+             ObjectOutputStream objectOutputStream = new ObjectOutputStream(source)) {
+
+            objectOutputStream.writeObject(data.getData());
+            objectOutputStream.flush();
+            objectOutputStream.close();
+
+            inputStream = new ByteArrayInputStream(source.toByteArray());
+            File outputFile = new File(mContext.getCacheDir(), data.getFileName() + "." + data.getExtension());
+            CompatHelper.getCompat().copyFile(inputStream, outputFile.getAbsolutePath());
+        } finally {
+            if (inputStream != null) {
+                try {
+                    inputStream.close();
+                } catch (IOException e) {
+                    //ignore
+                }
+            }
+        }
+    }
+
+
+    @Nullable
+    public <T extends Serializable> T getSingleInstance(StorageKey<T> key, Bundle bundle) {
+        if (bundle.getString(key.getBundleKey(), null) == null) {
+            Timber.i("No data in bundle for key %s", key.getBundleKey());
+            return null;
+        }
+
+        File outputFile = new File(mContext.getCacheDir(), key.getFileName() + "." + key.getExtension());
+
+        try (
+            FileInputStream fis = new FileInputStream(outputFile.getAbsolutePath());
+            ObjectInputStream ois = new ObjectInputStream(fis)) {
+            //noinspection unchecked
+            return (T) ois.readObject();
+        } catch (Exception e) {
+            Timber.e(e, "Error deserializing field");
+            return null;
+        }
+    }
+
+
+    public <T extends Serializable> boolean hasKey(StorageKey<T> storageCurrentField, Bundle bundle) {
+        return bundle != null && bundle.containsKey(storageCurrentField.getBundleKey());
+    }
+
+
+    public static class StorageData<T extends Serializable> {
+        private final StorageKey<T> mKey;
+        private final T mData;
+
+        public StorageData(StorageKey<T> storageKey, T data) {
+            this.mKey = storageKey;
+            this.mData = data;
+        }
+
+        public String getBundleKey() {
+            return mKey.getBundleKey();
+        }
+
+        public T getData() {
+            return mData;
+        }
+
+        public String getFileName() {
+            return mKey.mFileName;
+        }
+
+        public String getExtension() {
+            return mKey.mExtension;
+        }
+    }
+
+    public static class StorageKey<T extends Serializable> {
+        private final String mBundleKey;
+        private final String mFileName;
+        private final String mExtension;
+
+
+        public StorageKey(String bundleKey, String fileName, String extension) {
+            this.mBundleKey = bundleKey;
+            this.mFileName = fileName;
+            this.mExtension = extension;
+        }
+
+
+        public StorageData<T> asData(T data) {
+            return new StorageData<>(this, data);
+        }
+
+
+        public String getFileName() {
+            return mFileName;
+        }
+
+        public String getExtension() {
+            return mExtension;
+        }
+
+
+        public String getBundleKey() {
+            return mBundleKey;
+        }
+    }
+}
diff --git a/AnkiDroid/src/main/res/drawable/ic_code_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_code_black_24dp.xml
new file mode 100644
index 000000000000..6f1ccb6e41c7
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_code_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9.4,16.6L4.8,12l4.6,-4.6L8,6l-6,6 6,6 1.4,-1.4zM14.6,16.6l4.6,-4.6 -4.6,-4.6L16,6l6,6 -6,6 -1.4,-1.4z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_content_cut_white_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_content_cut_white_24dp.xml
new file mode 100644
index 000000000000..03fb6b671111
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_content_cut_white_24dp.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24.0" android:viewportWidth="24.0"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M9.64,7.64c0.23,-0.5 0.36,-1.05 0.36,-1.64 0,-2.21 -1.79,-4 -4,-4S2,3.79 2,6s1.79,4 4,4c0.59,0 1.14,-0.13 1.64,-0.36L10,12l-2.36,2.36C7.14,14.13 6.59,14 6,14c-2.21,0 -4,1.79 -4,4s1.79,4 4,4 4,-1.79 4,-4c0,-0.59 -0.13,-1.14 -0.36,-1.64L12,14l7,7h3v-1L9.64,7.64zM6,8c-1.1,0 -2,-0.89 -2,-2s0.9,-2 2,-2 2,0.89 2,2 -0.9,2 -2,2zM6,20c-1.1,0 -2,-0.89 -2,-2s0.9,-2 2,-2 2,0.89 2,2 -0.9,2 -2,2zM12,12.5c-0.28,0 -0.5,-0.22 -0.5,-0.5s0.22,-0.5 0.5,-0.5 0.5,0.22 0.5,0.5 -0.22,0.5 -0.5,0.5zM19,3l-6,6 2,2 7,-7L22,3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_align_center_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_align_center_black_24dp.xml
new file mode 100644
index 000000000000..6ae79962e5d3
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_align_center_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M7,15v2h10v-2L7,15zM3,21h18v-2L3,19v2zM3,13h18v-2L3,11v2zM7,7v2h10L17,7L7,7zM3,3v2h18L21,3L3,3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_align_justify_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_align_justify_black_24dp.xml
new file mode 100644
index 000000000000..7f4e2fec4aff
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_align_justify_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M3,21h18v-2L3,19v2zM3,17h18v-2L3,15v2zM3,13h18v-2L3,11v2zM3,9h18L21,7L3,7v2zM3,3v2h18L21,3L3,3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_align_left_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_align_left_black_24dp.xml
new file mode 100644
index 000000000000..28966637d0fa
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_align_left_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M15,15L3,15v2h12v-2zM15,7L3,7v2h12L15,7zM3,13h18v-2L3,11v2zM3,21h18v-2L3,19v2zM3,3v2h18L21,3L3,3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_align_right_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_align_right_black_24dp.xml
new file mode 100644
index 000000000000..c5af12b87377
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_align_right_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M3,21h18v-2L3,19v2zM9,17h12v-2L9,15v2zM3,13h18v-2L3,11v2zM9,9h12L21,7L9,7v2zM3,3v2h18L21,3L3,3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_clear_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_clear_black_24dp.xml
new file mode 100644
index 000000000000..4c903c7163e0
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_clear_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M3.27,5L2,6.27l6.97,6.97L6.5,19h3l1.57,-3.66L16.73,21 18,19.73 3.55,5.27 3.27,5zM6,5v0.18L8.82,8h2.4l-0.72,1.68 2.1,2.1L14.21,8H20V5H6z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_color_background_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_color_background_black_24dp.xml
new file mode 100644
index 000000000000..24ddb27a5a44
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_color_background_black_24dp.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M16.56,8.94L7.62,0 6.21,1.41l2.38,2.38 -5.15,5.15c-0.59,0.59 -0.59,1.54 0,2.12l5.5,5.5c0.29,0.29 0.68,0.44 1.06,0.44s0.77,-0.15 1.06,-0.44l5.5,-5.5c0.59,-0.58 0.59,-1.53 0,-2.12zM5.21,10L10,5.21 14.79,10H5.21zM19,11.5s-2,2.17 -2,3.5c0,1.1 0.9,2 2,2s2,-0.9 2,-2c0,-1.33 -2,-3.5 -2,-3.5z"/>
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M0,20h24v4H0z"
+        android:fillAlpha=".36"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_format_color_text_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_format_color_text_black_24dp.xml
new file mode 100644
index 000000000000..5361c5f06e79
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_format_color_text_black_24dp.xml
@@ -0,0 +1,13 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M0,20h24v4H0z"
+        android:fillAlpha=".36"/>
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M11,3L5.5,17h2.25l1.12,-3h6.25l1.12,3h2.25L13,3h-2zM9.62,12L12,5.67 14.38,12L9.62,12z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_image_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_image_black_24dp.xml
new file mode 100644
index 000000000000..b2018595e068
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_image_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M21,19V5c0,-1.1 -0.9,-2 -2,-2H5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2zM8.5,13.5l2.5,3.01L14.5,12l4.5,6H5l3.5,-4.5z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_mic_black_24dp.xml b/AnkiDroid/src/main/res/drawable/ic_mic_black_24dp.xml
new file mode 100644
index 000000000000..4f0dc0445a69
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_mic_black_24dp.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,14c1.66,0 2.99,-1.34 2.99,-3L15,5c0,-1.66 -1.34,-3 -3,-3S9,3.34 9,5v6c0,1.66 1.34,3 3,3zM17.3,11c0,3 -2.54,5.1 -5.3,5.1S6.7,14 6.7,11L5,11c0,3.41 2.72,6.23 6,6.72L11,21h2v-3.28c3.28,-0.48 6,-3.3 6,-6.72h-1.7z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_redo.xml b/AnkiDroid/src/main/res/drawable/ic_redo.xml
new file mode 100644
index 000000000000..81157898d65c
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_redo.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18.4,10.6C16.55,8.99 14.15,8 11.5,8c-4.65,0 -8.58,3.03 -9.96,7.22L3.9,16c1.05,-3.19 4.05,-5.5 7.6,-5.5 1.95,0 3.73,0.72 5.12,1.88L13,16h9V7l-3.6,3.6z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_undo.xml b/AnkiDroid/src/main/res/drawable/ic_undo.xml
new file mode 100644
index 000000000000..f4b32d784c42
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_undo.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12.5,8c-2.65,0 -5.05,0.99 -6.9,2.6L2,7v9h9l-3.62,-3.62c1.39,-1.16 3.16,-1.88 5.12,-1.88 3.54,0 6.55,2.31 7.6,5.5l2.37,-0.78C21.08,11.03 17.15,8 12.5,8z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_visual_editor_black.xml b/AnkiDroid/src/main/res/drawable/ic_visual_editor_black.xml
new file mode 100644
index 000000000000..0c885c7b4e98
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_visual_editor_black.xml
@@ -0,0 +1,25 @@
+<!--
+  Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+
+  This program is free software; you can redistribute it and/or modify it under
+  the terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3 of the License, or (at your option) any later
+  version.
+
+  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/black"
+      android:pathData="M12,4.5C7,4.5 2.73,7.61 1,12c1.73,4.39 6,7.5 11,7.5s9.27,-3.11 11,-7.5c-1.73,-4.39 -6,-7.5 -11,-7.5zM12,17c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5zM12,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3 3,-1.34 3,-3 -1.34,-3 -3,-3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/drawable/ic_visual_editor_white.xml b/AnkiDroid/src/main/res/drawable/ic_visual_editor_white.xml
new file mode 100644
index 000000000000..5b40aa08df70
--- /dev/null
+++ b/AnkiDroid/src/main/res/drawable/ic_visual_editor_white.xml
@@ -0,0 +1,20 @@
+<!--
+  Copyright (c) 2020 David Allison <davidallisongithub@gmail.com>
+
+  This program is free software; you can redistribute it and/or modify it under
+  the terms of the GNU General Public License as published by the Free Software
+  Foundation; either version 3 of the License, or (at your option) any later
+  version.
+
+  This program is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+  PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+<vector android:height="24dp" android:tint="#FFFFFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,4.5C7,4.5 2.73,7.61 1,12c1.73,4.39 6,7.5 11,7.5s9.27,-3.11 11,-7.5c-1.73,-4.39 -6,-7.5 -11,-7.5zM12,17c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5zM12,9c-1.66,0 -3,1.34 -3,3s1.34,3 3,3 3,-1.34 3,-3 -1.34,-3 -3,-3z"/>
+</vector>
diff --git a/AnkiDroid/src/main/res/layout/card_multimedia_editline.xml b/AnkiDroid/src/main/res/layout/card_multimedia_editline.xml
index 29e9c8fc8b81..c7e74895e7d2 100644
--- a/AnkiDroid/src/main/res/layout/card_multimedia_editline.xml
+++ b/AnkiDroid/src/main/res/layout/card_multimedia_editline.xml
@@ -13,11 +13,24 @@
         android:freezesText="true"
         android:layout_alignParentStart="true"
         app:layout_constraintBottom_toTopOf="@+id/id_note_editText"
-        app:layout_constraintEnd_toStartOf="@id/id_media_button"
+        app:layout_constraintEnd_toStartOf="@id/id_visual_editor"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="Front\nNewline" />
 
+    <ImageButton
+        android:id="@+id/id_visual_editor"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="?attr/visualEditorImage"
+        android:gravity="end|center_vertical"
+        android:nextFocusForward="@id/id_expand_button"
+        android:layout_marginEnd="16dp"
+        app:layout_constraintEnd_toStartOf="@+id/id_toggle_sticky_button"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:background="@drawable/ic_visual_editor_black"
+        />
+
     <ImageButton
         android:id="@+id/id_toggle_sticky_button"
         android:nextFocusForward="@id/id_media_button"
@@ -57,7 +70,7 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         app:barrierDirection="bottom"
-        app:constraint_referenced_ids="id_label, id_media_button, id_expand_button" />
+        app:constraint_referenced_ids="id_label, id_media_button, id_visual_editor, id_expand_button" />
 
     <com.ichi2.anki.FieldEditText
         android:id="@+id/id_note_editText"
diff --git a/AnkiDroid/src/main/res/layout/visual_editor.xml b/AnkiDroid/src/main/res/layout/visual_editor.xml
new file mode 100644
index 000000000000..0b9fb7df4379
--- /dev/null
+++ b/AnkiDroid/src/main/res/layout/visual_editor.xml
@@ -0,0 +1,160 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+
+    <include layout="@layout/toolbar"
+        android:id="@id/toolbar"
+        android:layout_alignParentTop="true"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        />
+
+    <!-- TODO: Add hover text for buttons -->
+    <!-- Set up the main editor -->
+    <!-- 24dp + 8dp padding to ensure that the scrollbar is fully visible -->
+    <androidx.appcompat.widget.LinearLayoutCompat
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@id/toolbar"
+        android:layout_marginBottom="32dp"
+        android:id="@+id/visual_editor_wrapper">
+
+        <com.ichi2.anki.multimediacard.visualeditor.SummerNoteVisualEditor
+            android:id="@+id/editor_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            />
+
+    </androidx.appcompat.widget.LinearLayoutCompat>
+
+    <HorizontalScrollView
+        android:id="@+id/toolbar_scrollview"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/material_grey_500"
+        android:layout_alignParentBottom="true"
+        android:scrollbarStyle="outsideOverlay"
+        android:scrollbars="horizontal">
+
+    <!-- Set up the toolbar -->
+        <com.ichi2.anki.multimediacard.visualeditor.VisualEditorToolbar
+            android:id="@+id/editor_toolbar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_bold"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_bold_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_italic"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_italic_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_underline"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_underlined_black_24dp"
+                />
+
+            <!-- we make this gone initially as it's optional -->
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_cloze"
+                android:visibility="gone"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_cloze_black_24dp"
+                />
+            <!-- Format Clear -->
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_clear_formatting"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_clear_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_text_color"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_color_text_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_background_color"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_color_background_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_horizontal_rule"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_horizontal_rule_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_align_left"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_align_left_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_align_center"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_align_center_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_align_right"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_align_right_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_align_justify"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_format_align_justify_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_insert_mathjax"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_add_equation_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_add_image"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_image_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_record_audio"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_mic_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_white_board"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_mode_edit_white" />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_view_html"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_code_black_24dp"
+                />
+
+            <androidx.appcompat.widget.AppCompatImageButton
+                android:id="@+id/editor_button_customs"
+                style="@style/visual_editor_toolbar_button"
+                app:srcCompat="@drawable/ic_add_toolbar_icon" />
+
+        </com.ichi2.anki.multimediacard.visualeditor.VisualEditorToolbar>
+        </HorizontalScrollView>
+    </RelativeLayout>
diff --git a/AnkiDroid/src/main/res/menu/visual_editor.xml b/AnkiDroid/src/main/res/menu/visual_editor.xml
new file mode 100644
index 000000000000..0e0454db8760
--- /dev/null
+++ b/AnkiDroid/src/main/res/menu/visual_editor.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+      xmlns:ankidroid="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_undo"
+        android:enabled="true"
+        android:visible="false"
+        android:icon="@drawable/ic_undo"
+        android:title="@string/visual_editor_tooltip_cut_image"
+        ankidroid:showAsAction="always"/>
+    <item
+        android:id="@+id/action_redo"
+        android:enabled="true"
+        android:visible="false"
+        android:icon="@drawable/ic_redo"
+        android:title="@string/visual_editor_tooltip_cut_image"
+        ankidroid:showAsAction="always"/>
+    <item
+        android:id="@+id/action_cut"
+        android:enabled="true"
+        android:icon="@drawable/ic_content_cut_white_24dp"
+        android:title="@string/visual_editor_tooltip_cut_image"
+        ankidroid:showAsAction="always"/>
+    <item
+        android:id="@+id/action_save"
+        android:icon="@drawable/ic_done_white"
+        android:title="@string/save"
+        ankidroid:showAsAction="always"/>
+</menu>
\ No newline at end of file
diff --git a/AnkiDroid/src/main/res/menu/visual_editor_image.xml b/AnkiDroid/src/main/res/menu/visual_editor_image.xml
new file mode 100644
index 000000000000..a0c219840f56
--- /dev/null
+++ b/AnkiDroid/src/main/res/menu/visual_editor_image.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:ankidroid="http://schemas.android.com/apk/res-auto">
+
+    <item
+        android:id="@+id/action_image_delete"
+        android:enabled="true"
+        android:icon="@drawable/ic_delete_white"
+        android:title="@string/visual_editor_tooltip_delete_image"
+        ankidroid:showAsAction="always"/>
+
+    <item
+        android:id="@+id/action_cut"
+        android:enabled="true"
+        android:icon="@drawable/ic_content_cut_white_24dp"
+        android:title="@string/visual_editor_tooltip_cut_image"
+        ankidroid:showAsAction="ifRoom"/>
+
+    <!-- Plans: Edit/Crop/Rename/Resize -->
+
+</menu>
\ No newline at end of file
diff --git a/AnkiDroid/src/main/res/values/02-strings.xml b/AnkiDroid/src/main/res/values/02-strings.xml
index c7e13a655282..c47d796d1255 100644
--- a/AnkiDroid/src/main/res/values/02-strings.xml
+++ b/AnkiDroid/src/main/res/values/02-strings.xml
@@ -204,6 +204,7 @@
     <string name="tag_editor_add_feedback">Touch “%2$s” to confirm adding “%1$s”</string>
     <string name="tag_editor_add_feedback_existing">Existing tag “%1$s” selected</string>
     <string name="lookup_hint">After copying the text, tap anywhere on the flashcard to show the search icon</string>
+    <string name="unable_to_open_visual_editor">Unable to open Visual Editor</string>
     <!-- Time spans -->
     <plurals name="time_span_seconds">
         <item quantity="one">%s second</item>
diff --git a/AnkiDroid/src/main/res/values/03-dialogs.xml b/AnkiDroid/src/main/res/values/03-dialogs.xml
index 4ea5c56b38aa..0ccca11221ab 100644
--- a/AnkiDroid/src/main/res/values/03-dialogs.xml
+++ b/AnkiDroid/src/main/res/values/03-dialogs.xml
@@ -253,6 +253,9 @@
     <string name="help_title_send_exception">Send troubleshooting report</string>
     <string name="help_dialog_exception_report_debounce">Report already submitted</string>
 
+    <string name="visual_editor_could_not_start_add_image" tools:ignore="MissingTranslation">Unable to add image</string>
+    <string name="visual_editor_could_not_start_add_audio" tools:ignore="MissingTranslation">Unable to add audio</string>
+
     <!--Sync-->
     <plurals name="sync_automatic_sync_needs_more_time">
         <item quantity="one">An automatic sync may be triggered in %d second</item>
diff --git a/AnkiDroid/src/main/res/values/16-multimedia-editor.xml b/AnkiDroid/src/main/res/values/16-multimedia-editor.xml
index 9701d6f02ab0..87ff4de2f7db 100644
--- a/AnkiDroid/src/main/res/values/16-multimedia-editor.xml
+++ b/AnkiDroid/src/main/res/values/16-multimedia-editor.xml
@@ -120,4 +120,29 @@
     <string name="activity_result_unexpected">App returned an unexpected value. You may need to use a different app</string>
     <string name="audio_recording_field_list" comment="Displays a list of the field data in the note editor while audio recording is taking place">Field Contents</string>
 
+    <string name="title_activity_visual_editor">Visual Editor</string>
+
+    <!-- Visual Editor -->
+    <string name="visual_editor_tooltip_bold">Text Bold</string>
+    <string name="visual_editor_tooltip_italic">Text Italic</string>
+    <string name="visual_editor_tooltip_underline">Text Underline</string>
+    <string name="visual_editor_tooltip_cloze">Deletion Cloze</string>
+    <string name="visual_editor_tooltip_clear_formatting">Formatting Clear</string>
+    <string name="visual_editor_tooltip_text_color">Text Color</string>
+    <string name="visual_editor_tooltip_background_color">Background Color</string>
+    <string name="visual_editor_tooltip_horizontal_line">Horizontal Line</string>
+    <string name="visual_editor_tooltip_align_left">Left Alignment</string>
+    <string name="visual_editor_tooltip_align_center">Center Alignment</string>
+    <string name="visual_editor_tooltip_align_right">Right Alignment</string>
+    <string name="visual_editor_tooltip_align_justify">Justify</string>
+    <string name="visual_editor_tooltip_view_source">View Source</string>
+    <string name="visual_editor_tooltip_add_image">Image Add</string>
+    <string name="visual_editor_tooltip_cut_image">Cut</string>
+    <string name="visual_editor_tooltip_delete_image">Image Delete</string>
+    <string name="visual_editor_tooltip_record_audio">Audio Record</string>
+    <string name="visual_editor_tooltip_mathjax">MathJax Equation Add</string>
+    <string name="visual_editor_white_board">Open WhiteBoard</string>
+    <string name="visual_editor_custom_buttons">Custom Buttons</string>
+    <string name="visual_editor_failed">Unable to start visual editor</string>
+
 </resources>
diff --git a/AnkiDroid/src/main/res/values/attrs.xml b/AnkiDroid/src/main/res/values/attrs.xml
index d74db0862111..d5ae4aa3bed6 100644
--- a/AnkiDroid/src/main/res/values/attrs.xml
+++ b/AnkiDroid/src/main/res/values/attrs.xml
@@ -108,6 +108,7 @@
     <attr name="buttonShadowColor" format="color"/>
     <attr name="buttonRippleColor" format="color"/>
     <attr name="buttonForegroundColor" format="color"/>
+    <attr name="visualEditorImage" format="integer"/>
     <!-- Images -->
     <attr name="navDrawerImage" format="integer"/>
     <attr name="attachFileImage" format="integer"/>
diff --git a/AnkiDroid/src/main/res/values/dimens.xml b/AnkiDroid/src/main/res/values/dimens.xml
index 8dc00fa4df27..cf64a3d34258 100644
--- a/AnkiDroid/src/main/res/values/dimens.xml
+++ b/AnkiDroid/src/main/res/values/dimens.xml
@@ -6,6 +6,7 @@
     <dimen name="default_width">56dp</dimen>
     <dimen name="keyline_1">16dp</dimen>
     <dimen name="study_options_padding">8dp</dimen>
+    <dimen name="toolbar_item_padding">8dp</dimen>
 
     <!-- Top margin for action bar subtitles -->
     <dimen name="action_bar_subtitle_top_margin">-3dp</dimen>
diff --git a/AnkiDroid/src/main/res/values/styles.xml b/AnkiDroid/src/main/res/values/styles.xml
index 1ff9fe6e0ccf..eeaef82cf456 100644
--- a/AnkiDroid/src/main/res/values/styles.xml
+++ b/AnkiDroid/src/main/res/values/styles.xml
@@ -146,6 +146,13 @@
         <item name="android:layout_height">48dp</item>
     </style>
 
+    <style name="visual_editor_toolbar_button">
+        <item name="android:layout_width">wrap_content</item>
+        <item name="android:layout_height">wrap_content</item>
+        <item name="android:padding">8dp</item>
+        <item name="android:background">?android:attr/selectableItemBackground</item>
+        <item name="android:tint">@color/black</item>
+    </style>
 
     <style name="reviewer_whiteboard_editor_button_style">
         <item name="android:layout_height">40dp</item>
diff --git a/AnkiDroid/src/main/res/values/theme_dark.xml b/AnkiDroid/src/main/res/values/theme_dark.xml
index 9f741d7bb3ea..928f94ed62d6 100644
--- a/AnkiDroid/src/main/res/values/theme_dark.xml
+++ b/AnkiDroid/src/main/res/values/theme_dark.xml
@@ -114,6 +114,7 @@
         <item name="dialogErrorIcon">@drawable/ic_warning_white</item>
         <item name="dialogSyncErrorIcon">@drawable/ic_sync_problem_white</item>
         <item name="dialogSendIcon">@drawable/ic_send_white</item>
+        <item name="visualEditorImage">@drawable/ic_visual_editor_white</item>
         <!-- Dialog styles -->
         <item name="android:listPreferredItemHeight">56dip</item>
         <item name="md_dark_theme">true</item>
diff --git a/AnkiDroid/src/main/res/values/theme_light.xml b/AnkiDroid/src/main/res/values/theme_light.xml
index 80f8186524e6..3d6d1d912f2f 100644
--- a/AnkiDroid/src/main/res/values/theme_light.xml
+++ b/AnkiDroid/src/main/res/values/theme_light.xml
@@ -128,6 +128,7 @@ APIs. It's visible when there aren't enough decks to fill the screen.
         <item name="dialogErrorIcon">@drawable/ic_warning_black</item>
         <item name="dialogSyncErrorIcon">@drawable/ic_sync_problem_black</item>
         <item name="dialogSendIcon">@drawable/ic_send_black</item>
+        <item name="visualEditorImage">@drawable/ic_visual_editor_black</item>
         <!-- Dialog styles -->
         <item name="android:listPreferredItemHeight">56dip</item>
         <item name="md_dark_theme">false</item>
diff --git a/AnkiDroid/src/test/java/com/ichi2/testutils/ActivityList.java b/AnkiDroid/src/test/java/com/ichi2/testutils/ActivityList.java
index ab8c60418e3f..1547d94c8a52 100644
--- a/AnkiDroid/src/test/java/com/ichi2/testutils/ActivityList.java
+++ b/AnkiDroid/src/test/java/com/ichi2/testutils/ActivityList.java
@@ -46,6 +46,7 @@
 import com.ichi2.anki.multimediacard.activity.LoadPronounciationActivity;
 import com.ichi2.anki.multimediacard.activity.MultimediaEditFieldActivity;
 import com.ichi2.anki.multimediacard.activity.TranslationActivity;
+import com.ichi2.anki.multimediacard.activity.VisualEditorActivity;
 import com.ichi2.anki.services.ReminderService;
 
 import org.robolectric.Robolectric;
@@ -93,6 +94,8 @@ public static List<ActivityLaunchParam> allActivitiesAndIntents() {
                 get(MultimediaEditFieldActivity.class),
                 get(TranslationActivity.class),
                 get(LoadPronounciationActivity.class),
+                get(VisualEditorActivity.class),
+                get(DrawingActivity.class),
                 get(CardInfo.class),
                 get(CardTemplateEditor.class, ActivityList::intentForCardTemplateEditor),
                 get(CardTemplateBrowserAppearanceEditor.class, ActivityList::intentForCardTemplateBrowserAppearanceEditor),