/
taBind.js
765 lines (716 loc) · 33 KB
/
taBind.js
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angular.module('textAngular.taBind', ['textAngular.factories', 'textAngular.DOM'])
.service('_taBlankTest', [function(){
var INLINETAGS_NONBLANK = /<(a|abbr|acronym|bdi|bdo|big|cite|code|del|dfn|img|ins|kbd|label|map|mark|q|ruby|rp|rt|s|samp|time|tt|var)[^>]*(>|$)/i;
return function(_defaultTest){
return function(_blankVal){
if(!_blankVal) return true;
// find first non-tag match - ie start of string or after tag that is not whitespace
var _firstMatch = /(^[^<]|>)[^<]/i.exec(_blankVal);
var _firstTagIndex;
if(!_firstMatch){
// find the end of the first tag removing all the
// Don't do a global replace as that would be waaayy too long, just replace the first 4 occurences should be enough
_blankVal = _blankVal.toString().replace(/="[^"]*"/i, '').replace(/="[^"]*"/i, '').replace(/="[^"]*"/i, '').replace(/="[^"]*"/i, '');
_firstTagIndex = _blankVal.indexOf('>');
}else{
_firstTagIndex = _firstMatch.index;
}
_blankVal = _blankVal.trim().substring(_firstTagIndex, _firstTagIndex + 100);
// check for no tags entry
if(/^[^<>]+$/i.test(_blankVal)) return false;
// this regex is to match any number of whitespace only between two tags
if (_blankVal.length === 0 || _blankVal === _defaultTest || /^>(\s| )*<\/[^>]+>$/ig.test(_blankVal)) return true;
// this regex tests if there is a tag followed by some optional whitespace and some text after that
else if (/>\s*[^\s<]/i.test(_blankVal) || INLINETAGS_NONBLANK.test(_blankVal)) return false;
else return true;
};
};
}])
.directive('taBind', [
'taSanitize', '$timeout', '$window', '$document', 'taFixChrome', 'taBrowserTag',
'taSelection', 'taSelectableElements', 'taApplyCustomRenderers', 'taOptions',
'_taBlankTest', '$parse', 'taDOM',
function(
taSanitize, $timeout, $window, $document, taFixChrome, taBrowserTag,
taSelection, taSelectableElements, taApplyCustomRenderers, taOptions,
_taBlankTest, $parse, taDOM){
// Uses for this are textarea or input with ng-model and ta-bind='text'
// OR any non-form element with contenteditable="contenteditable" ta-bind="html|text" ng-model
return {
require: 'ngModel',
link: function(scope, element, attrs, ngModel){
// the option to use taBind on an input or textarea is required as it will sanitize all input into it correctly.
var _isContentEditable = element.attr('contenteditable') !== undefined && element.attr('contenteditable');
var _isInputFriendly = _isContentEditable || element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input';
var _isReadonly = false;
var _focussed = false;
var _skipRender = false;
var _disableSanitizer = attrs.taUnsafeSanitizer || taOptions.disableSanitizer;
var _lastKey;
var BLOCKED_KEYS = /^(9|19|20|27|33|34|35|36|37|38|39|40|45|112|113|114|115|116|117|118|119|120|121|122|123|144|145)$/i;
var UNDO_TRIGGER_KEYS = /^(8|13|32|46|59|61|107|109|186|187|188|189|190|191|192|219|220|221|222)$/i; // spaces, enter, delete, backspace, all punctuation
var _pasteHandler;
// defaults to the paragraph element, but we need the line-break or it doesn't allow you to type into the empty element
// non IE is '<p><br/></p>', ie is '<p></p>' as for once IE gets it correct...
var _defaultVal, _defaultTest;
// set the default to be a paragraph value
if(attrs.taDefaultWrap === undefined) attrs.taDefaultWrap = 'p';
/* istanbul ignore next: ie specific test */
if(attrs.taDefaultWrap === ''){
_defaultVal = '';
_defaultTest = (_browserDetect.ie === undefined)? '<div><br></div>' : (_browserDetect.ie >= 11)? '<p><br></p>' : (_browserDetect.ie <= 8)? '<P> </P>' : '<p> </p>';
}else{
_defaultVal = (_browserDetect.ie === undefined || _browserDetect.ie >= 11)?
'<' + attrs.taDefaultWrap + '><br></' + attrs.taDefaultWrap + '>' :
(_browserDetect.ie <= 8)?
'<' + attrs.taDefaultWrap.toUpperCase() + '></' + attrs.taDefaultWrap.toUpperCase() + '>' :
'<' + attrs.taDefaultWrap + '></' + attrs.taDefaultWrap + '>';
_defaultTest = (_browserDetect.ie === undefined || _browserDetect.ie >= 11)?
'<' + attrs.taDefaultWrap + '><br></' + attrs.taDefaultWrap + '>' :
(_browserDetect.ie <= 8)?
'<' + attrs.taDefaultWrap.toUpperCase() + '> </' + attrs.taDefaultWrap.toUpperCase() + '>' :
'<' + attrs.taDefaultWrap + '> </' + attrs.taDefaultWrap + '>';
}
var _blankTest = _taBlankTest(_defaultTest);
if(attrs.taPaste) _pasteHandler = $parse(attrs.taPaste);
element.addClass('ta-bind');
var _undoKeyupTimeout;
scope['$undoManager' + (attrs.id || '')] = ngModel.$undoManager = {
_stack: [],
_index: 0,
_max: 1000,
push: function(value){
if((typeof value === "undefined" || value === null) ||
((typeof this.current() !== "undefined" && this.current() !== null) && value === this.current())) return value;
if(this._index < this._stack.length - 1){
this._stack = this._stack.slice(0,this._index+1);
}
this._stack.push(value);
if(_undoKeyupTimeout) $timeout.cancel(_undoKeyupTimeout);
if(this._stack.length > this._max) this._stack.shift();
this._index = this._stack.length - 1;
return value;
},
undo: function(){
return this.setToIndex(this._index-1);
},
redo: function(){
return this.setToIndex(this._index+1);
},
setToIndex: function(index){
if(index < 0 || index > this._stack.length - 1){
return undefined;
}
this._index = index;
return this.current();
},
current: function(){
return this._stack[this._index];
}
};
var _undo = scope['$undoTaBind' + (attrs.id || '')] = function(){
/* istanbul ignore else: can't really test it due to all changes being ignored as well in readonly */
if(!_isReadonly && _isContentEditable){
var content = ngModel.$undoManager.undo();
if(typeof content !== "undefined" && content !== null){
_setInnerHTML(content);
_setViewValue(content, false);
/* istanbul ignore else: browser catch */
if(element[0].childNodes.length) taSelection.setSelectionToElementEnd(element[0].childNodes[element[0].childNodes.length-1]);
else taSelection.setSelectionToElementEnd(element[0]);
}
}
};
var _redo = scope['$redoTaBind' + (attrs.id || '')] = function(){
/* istanbul ignore else: can't really test it due to all changes being ignored as well in readonly */
if(!_isReadonly && _isContentEditable){
var content = ngModel.$undoManager.redo();
if(typeof content !== "undefined" && content !== null){
_setInnerHTML(content);
_setViewValue(content, false);
/* istanbul ignore else: browser catch */
if(element[0].childNodes.length) taSelection.setSelectionToElementEnd(element[0].childNodes[element[0].childNodes.length-1]);
else taSelection.setSelectionToElementEnd(element[0]);
}
}
};
// in here we are undoing the converts used elsewhere to prevent the < > and & being displayed when they shouldn't in the code.
var _compileHtml = function(){
if(_isContentEditable) return element[0].innerHTML;
if(_isInputFriendly) return element.val();
throw ('textAngular Error: attempting to update non-editable taBind');
};
var _setViewValue = function(_val, triggerUndo){
_skipRender = true;
if(typeof triggerUndo === "undefined" || triggerUndo === null) triggerUndo = true && _isContentEditable; // if not contentEditable then the native undo/redo is fine
if(typeof _val === "undefined" || _val === null) _val = _compileHtml();
if(_blankTest(_val)){
// this avoids us from tripping the ng-pristine flag if we click in and out with out typing
if(ngModel.$viewValue !== '') ngModel.$setViewValue('');
if(triggerUndo && ngModel.$undoManager.current() !== '') ngModel.$undoManager.push('');
}else{
_reApplyOnSelectorHandlers();
if(ngModel.$viewValue !== _val){
ngModel.$setViewValue(_val);
if(triggerUndo) ngModel.$undoManager.push(_val);
}
}
};
//used for updating when inserting wrapped elements
scope['updateTaBind' + (attrs.id || '')] = function(){
if(!_isReadonly) _setViewValue();
};
//this code is used to update the models when data is entered/deleted
if(_isInputFriendly){
scope.events = {};
if(!_isContentEditable){
// if a textarea or input just add in change and blur handlers, everything else is done by angulars input directive
element.on('change blur', scope.events.change = scope.events.blur = function(){
if(!_isReadonly) ngModel.$setViewValue(_compileHtml());
});
element.on('keydown', scope.events.keydown = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
// Reference to http://stackoverflow.com/questions/6140632/how-to-handle-tab-in-textarea
/* istanbul ignore else: otherwise normal functionality */
if(event.keyCode === 9){ // tab was pressed
// get caret position/selection
var start = this.selectionStart;
var end = this.selectionEnd;
var value = element.val();
if(event.shiftKey){
// find \t
var _linebreak = value.lastIndexOf('\n', start), _tab = value.lastIndexOf('\t', start);
if(_tab !== -1 && _tab >= _linebreak){
// set textarea value to: text before caret + tab + text after caret
element.val(value.substring(0, _tab) + value.substring(_tab + 1));
// put caret at right position again (add one for the tab)
this.selectionStart = this.selectionEnd = start - 1;
}
}else{
// set textarea value to: text before caret + tab + text after caret
element.val(value.substring(0, start) + "\t" + value.substring(end));
// put caret at right position again (add one for the tab)
this.selectionStart = this.selectionEnd = start + 1;
}
// prevent the focus lose
event.preventDefault();
}
});
var _repeat = function(string, n){
var result = '';
for(var _n = 0; _n < n; _n++) result += string;
return result;
};
var recursiveListFormat = function(listNode, tablevel){
var _html = '', _children = listNode.childNodes;
tablevel++;
_html += _repeat('\t', tablevel-1) + listNode.outerHTML.substring(0, listNode.outerHTML.indexOf('<li'));
for(var _i = 0; _i < _children.length; _i++){
/* istanbul ignore next: browser catch */
if(!_children[_i].outerHTML) continue;
if(_children[_i].nodeName.toLowerCase() === 'ul' || _children[_i].nodeName.toLowerCase() === 'ol')
_html += '\n' + recursiveListFormat(_children[_i], tablevel);
else
_html += '\n' + _repeat('\t', tablevel) + _children[_i].outerHTML;
}
_html += '\n' + _repeat('\t', tablevel-1) + listNode.outerHTML.substring(listNode.outerHTML.lastIndexOf('<'));
return _html;
};
ngModel.$formatters.push(function(htmlValue){
// tabulate the HTML so it looks nicer
var _children = angular.element('<div>' + htmlValue + '</div>')[0].childNodes;
if(_children.length > 0){
htmlValue = '';
for(var i = 0; i < _children.length; i++){
/* istanbul ignore next: browser catch */
if(!_children[i].outerHTML) continue;
if(htmlValue.length > 0) htmlValue += '\n';
if(_children[i].nodeName.toLowerCase() === 'ul' || _children[i].nodeName.toLowerCase() === 'ol')
htmlValue += '' + recursiveListFormat(_children[i], 0);
else htmlValue += '' + _children[i].outerHTML;
}
}
return htmlValue;
});
}else{
// all the code specific to contenteditable divs
var _processingPaste = false;
/* istanbul ignore next: phantom js cannot test this for some reason */
var processpaste = function(text) {
/* istanbul ignore else: don't care if nothing pasted */
if(text && text.trim().length){
// test paste from word/microsoft product
if(text.match(/class=["']*Mso(Normal|List)/i)){
var textFragment = text.match(/<!--StartFragment-->([\s\S]*?)<!--EndFragment-->/i);
if(!textFragment) textFragment = text;
else textFragment = textFragment[1];
textFragment = textFragment.replace(/<o:p>[\s\S]*?<\/o:p>/ig, '').replace(/class=(["']|)MsoNormal(["']|)/ig, '');
var dom = angular.element("<div>" + textFragment + "</div>");
var targetDom = angular.element("<div></div>");
var _list = {
element: null,
lastIndent: [],
lastLi: null,
isUl: false
};
_list.lastIndent.peek = function(){
var n = this.length;
if (n>0) return this[n-1];
};
var _resetList = function(isUl){
_list.isUl = isUl;
_list.element = angular.element(isUl ? "<ul>" : "<ol>");
_list.lastIndent = [];
_list.lastIndent.peek = function(){
var n = this.length;
if (n>0) return this[n-1];
};
_list.lastLevelMatch = null;
};
for(var i = 0; i <= dom[0].childNodes.length; i++){
if(!dom[0].childNodes[i] || dom[0].childNodes[i].nodeName === "#text" || dom[0].childNodes[i].tagName.toLowerCase() !== "p") continue;
var el = angular.element(dom[0].childNodes[i]);
var _listMatch = (el.attr('class') || '').match(/MsoList(Bullet|Number|Paragraph)(CxSp(First|Middle|Last)|)/i);
if(_listMatch){
if(el[0].childNodes.length < 2 || el[0].childNodes[1].childNodes.length < 1){
continue;
}
var isUl = _listMatch[1].toLowerCase() === "bullet" || (_listMatch[1].toLowerCase() !== "number" && !(/^[^0-9a-z<]*[0-9a-z]+[^0-9a-z<>]</i.test(el[0].childNodes[1].innerHTML) || /^[^0-9a-z<]*[0-9a-z]+[^0-9a-z<>]</i.test(el[0].childNodes[1].childNodes[0].innerHTML)));
var _indentMatch = (el.attr('style') || '').match(/margin-left:([\-\.0-9]*)/i);
var indent = parseFloat((_indentMatch)?_indentMatch[1]:0);
var _levelMatch = (el.attr('style') || '').match(/mso-list:l([0-9]+) level([0-9]+) lfo[0-9+]($|;)/i);
// prefers the mso-list syntax
if(_levelMatch && _levelMatch[2]) indent = parseInt(_levelMatch[2]);
if ((_levelMatch && (!_list.lastLevelMatch || _levelMatch[1] !== _list.lastLevelMatch[1])) || !_listMatch[3] || _listMatch[3].toLowerCase() === "first" || (_list.lastIndent.peek() === null) || (_list.isUl !== isUl && _list.lastIndent.peek() === indent)) {
_resetList(isUl);
targetDom.append(_list.element);
} else if (_list.lastIndent.peek() != null && _list.lastIndent.peek() < indent){
_list.element = angular.element(isUl ? "<ul>" : "<ol>");
_list.lastLi.append(_list.element);
} else if (_list.lastIndent.peek() != null && _list.lastIndent.peek() > indent){
while(_list.lastIndent.peek() != null && _list.lastIndent.peek() > indent){
if(_list.element.parent()[0].tagName.toLowerCase() === 'li'){
_list.element = _list.element.parent();
continue;
}else if(/[uo]l/i.test(_list.element.parent()[0].tagName.toLowerCase())){
_list.element = _list.element.parent();
}else{ // else it's it should be a sibling
break;
}
_list.lastIndent.pop();
}
_list.isUl = _list.element[0].tagName.toLowerCase() === "ul";
if (isUl !== _list.isUl) {
_resetList(isUl);
targetDom.append(_list.element);
}
}
_list.lastLevelMatch = _levelMatch;
if(indent !== _list.lastIndent.peek()) _list.lastIndent.push(indent);
_list.lastLi = angular.element("<li>");
_list.element.append(_list.lastLi);
_list.lastLi.html(el.html().replace(/<!(--|)\[if !supportLists\](--|)>[\s\S]*?<!(--|)\[endif\](--|)>/ig, ''));
el.remove();
}else{
_resetList(false);
targetDom.append(el);
}
}
var _unwrapElement = function(node){
node = angular.element(node);
for(var _n = node[0].childNodes.length - 1; _n >= 0; _n--) node.after(node[0].childNodes[_n]);
node.remove();
};
angular.forEach(targetDom.find('span'), function(node){
node.removeAttribute('lang');
if(node.attributes.length <= 0) _unwrapElement(node);
});
angular.forEach(targetDom.find('font'), _unwrapElement);
text = targetDom.html();
}else{
// remove unnecessary chrome insert
text = text.replace(/<(|\/)meta[^>]*?>/ig, '');
if(text.match(/<[^>]*?(ta-bind)[^>]*?>/)){
// entire text-angular or ta-bind has been pasted, REMOVE AT ONCE!!
if(text.match(/<[^>]*?(text-angular)[^>]*?>/)){
var _el = angular.element("<div>" + text + "</div>");
_el.find('textarea').remove();
var binds = taDOM.getByAttribute(_el, 'ta-bind');
for(var _b = 0; _b < binds.length; _b++){
var _target = binds[_b][0].parentNode.parentNode;
for(var _c = 0; _c < binds[_b][0].childNodes.length; _c++){
_target.parentNode.insertBefore(binds[_b][0].childNodes[_c], _target);
}
_target.parentNode.removeChild(_target);
}
text = _el.html().replace('<br class="Apple-interchange-newline">', '');
}
}else if(text.match(/^<span/)){
// in case of pasting only a span - chrome paste, remove them. THis is just some wierd formatting
text = text.replace(/<(|\/)span[^>]*?>/ig, '');
}
// Webkit on Apple tags
text = text.replace(/<br class="Apple-interchange-newline"[^>]*?>/ig, '').replace(/<span class="Apple-converted-space">( | )<\/span>/ig, ' ');
}
text = taSanitize(text, '', _disableSanitizer);
if(_pasteHandler) text = _pasteHandler(scope, {$html: text}) || text;
taSelection.insertHtml(text, element[0]);
$timeout(function(){
ngModel.$setViewValue(_compileHtml());
_processingPaste = false;
element.removeClass('processing-paste');
}, 0);
}else{
_processingPaste = false;
element.removeClass('processing-paste');
}
};
element.on('paste', scope.events.paste = function(e, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(e, eventData);
if(_isReadonly || _processingPaste){
e.stopPropagation();
e.preventDefault();
return false;
}
// Code adapted from http://stackoverflow.com/questions/2176861/javascript-get-clipboard-data-on-paste-event-cross-browser/6804718#6804718
_processingPaste = true;
element.addClass('processing-paste');
var pastedContent;
var clipboardData = (e.originalEvent || e).clipboardData;
if (clipboardData && clipboardData.getData) {// Webkit - get data from clipboard, put into editdiv, cleanup, then cancel event
var _types = "";
for(var _t = 0; _t < clipboardData.types.length; _t++){
_types += " " + clipboardData.types[_t];
}
/* istanbul ignore next: browser tests */
if (/text\/html/i.test(_types)) {
pastedContent = clipboardData.getData('text/html');
} else if (/text\/plain/i.test(_types)) {
pastedContent = clipboardData.getData('text/plain');
}
processpaste(pastedContent);
e.stopPropagation();
e.preventDefault();
return false;
} else {// Everything else - empty editdiv and allow browser to paste content into it, then cleanup
var _savedSelection = $window.rangy.saveSelection(),
_tempDiv = angular.element('<div class="ta-hidden-input" contenteditable="true"></div>');
$document.find('body').append(_tempDiv);
_tempDiv[0].focus();
$timeout(function(){
// restore selection
$window.rangy.restoreSelection(_savedSelection);
processpaste(_tempDiv[0].innerHTML);
_tempDiv.remove();
element[0].focus();
}, 0);
}
});
element.on('cut', scope.events.cut = function(e){
// timeout to next is needed as otherwise the paste/cut event has not finished actually changing the display
if(!_isReadonly) $timeout(function(){
ngModel.$setViewValue(_compileHtml());
}, 0);
else e.preventDefault();
});
element.on('keydown', scope.events.keydown = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
/* istanbul ignore else: readonly check */
if(!_isReadonly){
if(!event.altKey && event.metaKey || event.ctrlKey){
// covers ctrl/command + z
if((event.keyCode === 90 && !event.shiftKey)){
_undo();
event.preventDefault();
// covers ctrl + y, command + shift + z
}else if((event.keyCode === 90 && event.shiftKey) || (event.keyCode === 89 && !event.shiftKey)){
_redo();
event.preventDefault();
}
/* istanbul ignore next: difficult to test as can't seem to select */
}else if(event.keyCode === 13 && !event.shiftKey){
var selection = taSelection.getSelectionElement();
if(!selection.tagName.match(VALIDELEMENTS)) return;
var _new = angular.element(_defaultVal);
if (/^<br(|\/)>$/i.test(selection.innerHTML.trim()) && selection.parentNode.tagName.toLowerCase() === 'blockquote' && !selection.nextSibling) {
// if last element in blockquote and element is blank, pull element outside of blockquote.
$selection = angular.element(selection);
var _parent = $selection.parent();
_parent.after(_new);
$selection.remove();
if(_parent.children().length === 0) _parent.remove();
taSelection.setSelectionToElementStart(_new[0]);
event.preventDefault();
}else if (/^<[^>]+><br(|\/)><\/[^>]+>$/i.test(selection.innerHTML.trim()) && selection.tagName.toLowerCase() === 'blockquote'){
$selection = angular.element(selection);
$selection.after(_new);
$selection.remove();
taSelection.setSelectionToElementStart(_new[0]);
event.preventDefault();
}
}
}
});
element.on('keyup', scope.events.keyup = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
if(_undoKeyupTimeout) $timeout.cancel(_undoKeyupTimeout);
if(!_isReadonly && !BLOCKED_KEYS.test(event.keyCode)){
// if enter - insert new taDefaultWrap, if shift+enter insert <br/>
if(_defaultVal !== '' && event.keyCode === 13){
if(!event.shiftKey){
// new paragraph, br should be caught correctly
var selection = taSelection.getSelectionElement();
while(!selection.tagName.match(VALIDELEMENTS) && selection !== element[0]){
selection = selection.parentNode;
}
if(selection.tagName.toLowerCase() !== attrs.taDefaultWrap && selection.tagName.toLowerCase() !== 'li' && (selection.innerHTML.trim() === '' || selection.innerHTML.trim() === '<br>')){
var _new = angular.element(_defaultVal);
angular.element(selection).replaceWith(_new);
taSelection.setSelectionToElementStart(_new[0]);
}
}
}
var val = _compileHtml();
if(_defaultVal !== '' && val.trim() === ''){
_setInnerHTML(_defaultVal);
taSelection.setSelectionToElementStart(element.children()[0]);
}else if(val.substring(0, 1) !== '<' && attrs.taDefaultWrap !== ''){
var _savedSelection = $window.rangy.saveSelection();
val = _compileHtml();
val = "<" + attrs.taDefaultWrap + ">" + val + "</" + attrs.taDefaultWrap + ">";
_setInnerHTML(val);
$window.rangy.restoreSelection(_savedSelection);
}
var triggerUndo = _lastKey !== event.keyCode && UNDO_TRIGGER_KEYS.test(event.keyCode);
_setViewValue(val, triggerUndo);
if(!triggerUndo) _undoKeyupTimeout = $timeout(function(){ ngModel.$undoManager.push(val); }, 250);
_lastKey = event.keyCode;
}
});
element.on('blur', scope.events.blur = function(){
_focussed = false;
/* istanbul ignore else: if readonly don't update model */
if(!_isReadonly){
_setViewValue();
}
_skipRender = true; // don't redo the whole thing, just check the placeholder logic
ngModel.$render();
});
// Placeholders not supported on ie 8 and below
if(attrs.placeholder && (_browserDetect.ie > 8 || _browserDetect.ie === undefined)){
var ruleIndex;
if(attrs.id) ruleIndex = addCSSRule('#' + attrs.id + '.placeholder-text:before', 'content: "' + attrs.placeholder + '"');
else throw('textAngular Error: An unique ID is required for placeholders to work');
scope.$on('$destroy', function(){
removeCSSRule(ruleIndex);
});
}
element.on('focus', scope.events.focus = function(){
_focussed = true;
element.removeClass('placeholder-text');
});
element.on('mouseup', scope.events.mouseup = function(){
var _selection = taSelection.getSelection();
if(_selection.start.element === element[0] && element.children().length) taSelection.setSelectionToElementStart(element.children()[0]);
});
// prevent propagation on mousedown in editor, see #206
element.on('mousedown', scope.events.mousedown = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
event.stopPropagation();
});
}
}
// catch DOM XSS via taSanitize
// Sanitizing both ways is identical
var _sanitize = function(unsafe){
return (ngModel.$oldViewValue = taSanitize(taFixChrome(unsafe), ngModel.$oldViewValue, _disableSanitizer));
};
// trigger the validation calls
var _validity = function(value){
if(attrs.required) ngModel.$setValidity('required', !_blankTest(value));
return value;
};
// parsers trigger from the above keyup function or any other time that the viewValue is updated and parses it for storage in the ngModel
ngModel.$parsers.push(_sanitize);
ngModel.$parsers.push(_validity);
// because textAngular is bi-directional (which is awesome) we need to also sanitize values going in from the server
ngModel.$formatters.push(_sanitize);
ngModel.$formatters.push(function(value){
if(_blankTest(value)) return value;
var domTest = angular.element("<div>" + value + "</div>");
if(domTest.children().length === 0){
value = "<" + attrs.taDefaultWrap + ">" + value + "</" + attrs.taDefaultWrap + ">";
}
return value;
});
ngModel.$formatters.push(_validity);
ngModel.$formatters.push(function(value){
return ngModel.$undoManager.push(value || '');
});
var selectorClickHandler = function(event){
// emit the element-select event, pass the element
scope.$emit('ta-element-select', this);
event.preventDefault();
return false;
};
var fileDropHandler = function(event, eventData){
/* istanbul ignore else: this is for catching the jqLite testing*/
if(eventData) angular.extend(event, eventData);
// emit the drop event, pass the element, preventing should be done elsewhere
if(!dropFired && !_isReadonly){
dropFired = true;
var dataTransfer;
if(event.originalEvent) dataTransfer = event.originalEvent.dataTransfer;
else dataTransfer = event.dataTransfer;
scope.$emit('ta-drop-event', this, event, dataTransfer);
$timeout(function(){
dropFired = false;
_setViewValue();
}, 100);
}
};
//used for updating when inserting wrapped elements
var _reApplyOnSelectorHandlers = scope['reApplyOnSelectorHandlers' + (attrs.id || '')] = function(){
/* istanbul ignore else */
if(!_isReadonly) angular.forEach(taSelectableElements, function(selector){
// check we don't apply the handler twice
element.find(selector)
.off('click', selectorClickHandler)
.on('click', selectorClickHandler);
});
};
var _setInnerHTML = function(newval){
element[0].innerHTML = newval;
};
// changes to the model variable from outside the html/text inputs
ngModel.$render = function(){
// catch model being null or undefined
var val = ngModel.$viewValue || '';
// if the editor isn't focused it needs to be updated, otherwise it's receiving user input
if(!_skipRender){
/* istanbul ignore else: in other cases we don't care */
if(_isContentEditable && _focussed){
// element is focussed, test for placeholder
element.removeClass('placeholder-text');
element[0].blur();
$timeout(function(){
element[0].focus();
taSelection.setSelectionToElementEnd(element.children()[element.children().length - 1]);
}, 1);
}
if(_isContentEditable){
// WYSIWYG Mode
if(attrs.placeholder){
if(val === ''){
// blank
_setInnerHTML(_defaultVal);
}else{
// not-blank
_setInnerHTML(val);
}
}else{
_setInnerHTML((val === '') ? _defaultVal : val);
}
// if in WYSIWYG and readOnly we kill the use of links by clicking
if(!_isReadonly){
_reApplyOnSelectorHandlers();
element.on('drop', fileDropHandler);
}else{
element.off('drop', fileDropHandler);
}
}else if(element[0].tagName.toLowerCase() !== 'textarea' && element[0].tagName.toLowerCase() !== 'input'){
// make sure the end user can SEE the html code as a display. This is a read-only display element
_setInnerHTML(taApplyCustomRenderers(val));
}else{
// only for input and textarea inputs
element.val(val);
}
}
if(_isContentEditable && attrs.placeholder){
if(val === ''){
if(_focussed) element.removeClass('placeholder-text');
else element.addClass('placeholder-text');
}else{
element.removeClass('placeholder-text');
}
}
_skipRender = false;
};
if(attrs.taReadonly){
//set initial value
_isReadonly = scope.$eval(attrs.taReadonly);
if(_isReadonly){
element.addClass('ta-readonly');
// we changed to readOnly mode (taReadonly='true')
if(element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input'){
element.attr('disabled', 'disabled');
}
if(element.attr('contenteditable') !== undefined && element.attr('contenteditable')){
element.removeAttr('contenteditable');
}
}else{
element.removeClass('ta-readonly');
// we changed to NOT readOnly mode (taReadonly='false')
if(element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input'){
element.removeAttr('disabled');
}else if(_isContentEditable){
element.attr('contenteditable', 'true');
}
}
// taReadonly only has an effect if the taBind element is an input or textarea or has contenteditable='true' on it.
// Otherwise it is readonly by default
scope.$watch(attrs.taReadonly, function(newVal, oldVal){
if(oldVal === newVal) return;
if(newVal){
element.addClass('ta-readonly');
// we changed to readOnly mode (taReadonly='true')
if(element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input'){
element.attr('disabled', 'disabled');
}
if(element.attr('contenteditable') !== undefined && element.attr('contenteditable')){
element.removeAttr('contenteditable');
}
// turn ON selector click handlers
angular.forEach(taSelectableElements, function(selector){
element.find(selector).on('click', selectorClickHandler);
});
element.off('drop', fileDropHandler);
}else{
element.removeClass('ta-readonly');
// we changed to NOT readOnly mode (taReadonly='false')
if(element[0].tagName.toLowerCase() === 'textarea' || element[0].tagName.toLowerCase() === 'input'){
element.removeAttr('disabled');
}else if(_isContentEditable){
element.attr('contenteditable', 'true');
}
// remove the selector click handlers
angular.forEach(taSelectableElements, function(selector){
element.find(selector).off('click', selectorClickHandler);
});
element.on('drop', fileDropHandler);
}
_isReadonly = newVal;
});
}
// Initialise the selectableElements
// if in WYSIWYG and readOnly we kill the use of links by clicking
if(_isContentEditable && !_isReadonly){
angular.forEach(taSelectableElements, function(selector){
element.find(selector).on('click', selectorClickHandler);
});
element.on('drop', fileDropHandler);
element.on('blur', function(){
/* istanbul ignore next: webkit fix */
if(_browserDetect.webkit) { // detect webkit
globalContentEditableBlur = true;
}
});
}
}
};
}]);