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On input for Itext #2352

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merged 3 commits into from
Jul 22, 2015
Merged

On input for Itext #2352

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fa1c201
Merge pull request #25 from kangax/master
asturur Jul 20, 2015
c545075
Update itext_key_behavior.mixin.js
asturur Jul 20, 2015
4b387b7
Update itext_key_behavior.mixin.js
asturur Jul 21, 2015
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35 changes: 20 additions & 15 deletions src/mixins/itext_key_behavior.mixin.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
fabric.document.body.appendChild(this.hiddenTextarea);

fabric.util.addListener(this.hiddenTextarea, 'keydown', this.onKeyDown.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'keypress', this.onKeyPress.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'input', this.onInput.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'copy', this.copy.bind(this));
fabric.util.addListener(this.hiddenTextarea, 'paste', this.paste.bind(this));

Expand Down Expand Up @@ -76,6 +76,24 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
this.canvas && this.canvas.renderAll();
},

/**
* Handles onInput event
* @param {Event} e Event object
*/
onInput: function(e) {
if (!this.isEditing || this._cancelOnInput) {
this._cancelOnInput = false;
return;
}
var offset = this.selectionStart || 0,
textLength = this.text.length,
newTextLength = this.hiddenTextarea.value.length,
diff = newTextLength - textLength,
charsToInsert = this.hiddenTextarea.value.slice(offset, offset + diff);
this.insertChars(charsToInsert);
e.stopPropagation();
},

/**
* Forward delete
*/
Expand Down Expand Up @@ -131,6 +149,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
if (copiedText) {
this.insertChars(copiedText, useCopiedStyle);
}
this._cancelOnInput = true;
},

/**
Expand All @@ -155,20 +174,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot
return e && (e.clipboardData || fabric.window.clipboardData);
},

/**
* Handles keypress event
* @param {Event} e Event object
*/
onKeyPress: function(e) {
if (!this.isEditing || e.metaKey || e.ctrlKey) {
return;
}
if (e.which !== 0) {
this.insertChars(String.fromCharCode(e.which));
}
e.stopPropagation();
},

/**
* Gets start offset of a selection
* @param {Event} e Event object
Expand Down