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angular-contenteditable.js
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angular-contenteditable.js
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/**
* @see http://docs.angularjs.org/guide/concepts
* @see http://docs.angularjs.org/api/ng.directive:ngModel.NgModelController
* @see https://github.com/angular/angular.js/issues/528#issuecomment-7573166
*/
angular.module('contenteditable', [])
.directive('contenteditable', ['$timeout', function($timeout) { return {
restrict: 'A',
require: '?ngModel',
link: function($scope, $element, attrs, ngModel) {
// don't do anything unless this is actually bound to a model
if (!ngModel) {
return
}
// view -> model
$element.bind('input', function(e) {
$scope.$apply(function() {
var html, html2, rerender
html = $element.html()
rerender = false
if (attrs.stripBr && attrs.stripBr !== "false") {
html = html.replace(/<br>$/, '')
}
if (attrs.noLineBreaks && attrs.noLineBreaks !== "false") {
html2 = html.replace(/<div>/g, '').replace(/<br>/g, '').replace(/<\/div>/g, '')
if (html2 !== html) {
rerender = true
html = html2
}
}
ngModel.$setViewValue(html)
if (rerender) {
ngModel.$render()
}
if (html === '') {
// the cursor disappears if the contents is empty
// so we need to refocus
$timeout(function(){
$element[0].blur()
$element[0].focus()
})
}
})
})
// model -> view
var oldRender = ngModel.$render
ngModel.$render = function() {
var el, el2, range, sel
if (!!oldRender) {
oldRender()
}
$element.html(ngModel.$viewValue || '')
el = $element[0]
range = document.createRange()
sel = window.getSelection()
if (el.childNodes.length > 0) {
el2 = el.childNodes[el.childNodes.length - 1]
range.setStartAfter(el2)
} else {
range.setStartAfter(el)
}
range.collapse(true)
sel.removeAllRanges()
sel.addRange(range)
}
if (attrs.selectNonEditable && attrs.selectNonEditable !== "false") {
$element.click(function(e) {
var range, sel, target
target = e.toElement
if (target !== this && angular.element(target).attr('contenteditable') === 'false') {
range = document.createRange()
sel = window.getSelection()
range.setStartBefore(target)
range.setEndAfter(target)
sel.removeAllRanges()
sel.addRange(range)
}
})
}
}
}}])