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uEditor.js
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uEditor.js
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(function($){
/* custom function to remove duplicate items from an array */
$.removeDuplicate = function(array) {
if(!(array instanceof Array)) return;
label:for(var i = 0; i < array.length; i++ ) {
for(var j=0; j < array.length; j++ ) {
if(j == i) continue;
if(array[j] == array[i]) {
array = array.slice(j);
continue label;
}
}
}
return array;
}
/* tornado _xsrf cookie supported */
$.getCookie = function(name) {
var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
return r ? r[1] : undefined;
}
$.setPos = function(obj) {
var isIe6 = $.browser.msie && ('6.0' == $.browser.version);
var left = ($(window).width() - obj.width()) / 2;
var top = ($(window).height() - obj.height()) / 2 ;
if(!isIe6) {
obj.css({top:top,left:left});
} else {
obj.css({top:top+$(document).scrollTop(), left:left+$(document).scrollLeft()});
}
}
/* ajax upload from AjaxFileUpload */
$.upload = {
createUploadIframe: function(id, uri)
{
//create frame
var frameId = 'jUploadFrame' + id;
var iframeHtml = '<iframe id="' + frameId + '" name="' + frameId + '" style="position:absolute; top:-9999px; left:-9999px"';
if(window.ActiveXObject)
{
if(typeof uri== 'boolean'){
iframeHtml += ' src="' + 'javascript:false' + '"';
}
else if(typeof uri== 'string'){
iframeHtml += ' src="' + uri + '"';
}
}
iframeHtml += ' />';
$(iframeHtml).appendTo(document.body);
return $('#' + frameId).get(0);
},
createUploadForm: function(id, fileElementId, data)
{
//create form
var formId = 'jUploadForm' + id;
var fileId = 'jUploadFile' + id;
var form = $('<form action="" method="POST" name="' + formId + '" id="' + formId + '" enctype="multipart/form-data"></form>');
if(data)
{
for(var i in data)
{
$('<input type="hidden" name="' + i + '" value="' + data[i] + '" />').appendTo(form);
}
}
var oldElement = $('#' + fileElementId);
var newElement = $(oldElement).clone();
$(oldElement).attr('id', fileId);
$(oldElement).before(newElement);
$(oldElement).appendTo(form);
//set attributes
$(form).css('position', 'absolute');
$(form).css('top', '-1200px');
$(form).css('left', '-1200px');
$(form).appendTo('body');
return form;
},
ajaxFileUpload: function(s) {
s = $.extend({}, $.ajaxSettings, s);
var id = new Date().getTime()
var form = $.upload.createUploadForm(id, s.fileElementId, (typeof(s.data)=='undefined'?false:s.data));
var io = $.upload.createUploadIframe(id, s.secureuri);
var frameId = 'jUploadFrame' + id;
var formId = 'jUploadForm' + id;
// Watch for a new set of requests
if ( s.global && ! $.active++ )
{
$.event.trigger( "ajaxStart" );
}
// Create the request object
var xml = {}
if ( s.global )
$.event.trigger("ajaxSend", [xml, s]);
try {
var form = $('#' + formId);
$(form).attr('action', s.url);
$(form).attr('method', 'POST');
$(form).attr('target', frameId);
if(form.encoding)
$(form).attr('encoding', 'multipart/form-data');
else
$(form).attr('enctype', 'multipart/form-data');
$(form).submit();
} catch(e) {}
$('#' + frameId).load(function(){
var iframe = document.getElementById(frameId);
var doc = iframe.contentDocument ? iframe.contentDocument : window.frames[frameId].document;
var response = doc.body.innerHTML;
if (response) {
response = eval("(" + response + ")");
} else {
response = {};
}
s.success(response);
});
return
}
}
$.ajaxupload = function (url, element, callback) {
$.upload.ajaxFileUpload({
url: url,
fileElementId: element,
data: {'_xsrf': $.getCookie('_xsrf')},
dataType: 'json',
success: function(data, status) {
if (data.success) {
callback(data.result);
} else {
alert(data.error);
}
},
error: function (data, status, e) {
alert(e);
}
})
}
/* new selector to check if the tags submitted are inline elements */
$.extend($.expr[':'],{
inline: function(element) {
return (
$(element).is('a') ||
$(element).is('em') ||
$(element).is('font') ||
$(element).is('span') ||
$(element).is('strong') ||
$(element).is('u')
);
}
});
// uEditor class
var uEditor = function(element, settings) {
$.extend(this, {
settings : settings,
createDOM : function() {
this.textarea = element;
this.container = document.createElement("div");
this.iframe = document.createElement("iframe");
this.inputwrap = document.createElement("div");
this.input = document.createElement("textarea");
$(this.input).attr({
name : $(this.textarea).attr('name')
});
$(this.input).html($(this.textarea).html());// old textarea value
$(this.input).appendTo($(this.inputwrap));
$(this.inputwrap).hide();
$(this.textarea).addClass('uEditorTextarea');
$(this.textarea).attr('name', $(this.textarea).attr('name'));
$(this.textarea).hide();
$(this.container).addClass(settings.containerClass);
$(this.iframe).addClass('uEditorIframe');
$(this.iframe).attr('frameborder','0');
this.toolbar = new uEditorToolbar(this);
$(this.container).append(this.toolbar.itemsList);
$(this.container).append(this.iframe);
$(this.container).append(this.inputwrap);
$(this.container).hide();
this.input.uEditorObject = this;
$(this.textarea).replaceWith(this.container);
},
writeDocument : function() {
/* HTML template into which the HTML Editor content is inserted */
var documentTemplate = '\
<html>\
<head>\
INSERT:STYLESHEET:END\
</head>\
<body id="iframeBody">\
INSERT:CONTENT:END\
</body>\
</html>\
';
/* Insert dynamic variables/content into document */
/* IE needs stylesheet to be written inline */
documentTemplate = ($.browser.msie) ?
documentTemplate.replace(/INSERT:STYLESHEET:END/, '<link rel="stylesheet" type="text/css" href="' + this.uEditorStylesheet + '"></link>') :
documentTemplate.replace(/INSERT:STYLESHEET:END/, "");
documentTemplate = documentTemplate.replace(/INSERT:CONTENT:END/, $(this.input).val());
this.iframe.contentWindow.document.open();
this.iframe.contentWindow.document.write(documentTemplate);
this.iframe.contentWindow.document.close();
/* In Firefox stylesheet needs to be loaded separate to other HTML, because if it's loaded inline it causes Firefox to have problems with an empty document */
if (!$.browser.msie) {
$(this.iframe.contentWindow.document).find('head').append(
$(this.iframe.contentWindow.document.createElement("link")).attr({
"rel" : "stylesheet",
"type" : "text/css",
"href" : settings.stylesheet
})
);
}
},
removeTag : function(element) {
var parentTag = $(element);
parentTag.contents().each(function() {
parentTag.before(this);
});
parentTag.remove();
},
convertSPANs : function(replaceSpans) {
var iframe = this.iframe;
var self = this;
if (replaceSpans) {
/* Replace styled spans with their semantic equivalent */
var spans = $(this.iframe.contentWindow.document).find('span');
if(spans.length) spans.each(function() {
var children = $(this).contents();
//var replacementElement = null;
var parentElement = null;
var style = null;
var wrap = function(parentElement, children) {
children.each(function() {
$(parentElement).append(this);
});
return $(parentElement).contents();
}
try {
style = $(this).attr("style").replace(/\s*/gi,'');
} catch(e) {
style = null;
}
if (!style) {
self.removeTag(this);
} else {
if (style.indexOf("font-weight:bold;")!=-1) {
parentElement = iframe.contentWindow.document.createElement("strong");
children = wrap(parentElement, children);
style = style.replace("font-weight:bold;",'');
}
if (style.indexOf("font-style:italic;")!=-1) {
parentElement = iframe.contentWindow.document.createElement("em");
children = wrap(parentElement, children);
style = style.replace("font-style:italic;",'');
}
if (style.indexOf("text-decoration:underline;")!=-1) {
parentElement = iframe.contentWindow.document.createElement("u");
children = wrap(parentElement, children);
style = style.replace("text-decoration:underline;",'');
}
if (style.indexOf("text-decoration:line-through;")!=-1) {
parentElement = iframe.contentWindow.document.createElement("del");
children = wrap(parentElement, children);
style = style.replace("text-decoration:line-through;",'');
}
}
if (parentElement) {
if (style) {
$(this).attr('style', style);
$(this).append(parentElement);
} else {
$(this).before(parentElement);
$(this).remove();
}
}
});
}
else {
/* Replace em and strong tags with styled spans */
var wrap = function(children, key, value) {
var span = iframe.contentWindow.document.createElement('span');
$(span).css(key, value);
children.each(function() {
$(span).append(this);
});
return span
}
$(iframe.contentWindow.document).find('em').each(function() {
var children = $(this).contents();
var span = wrap(children, 'font-style', 'italic');
$(this).replaceWith(span);
});
$(iframe.contentWindow.document).find('strong').each(function() {
var children = $(this).contents();
var span = wrap(children, 'font-weight', 'bold');
$(this).replaceWith(span);
});
$(iframe.contentWindow.document).find('u').each(function() {
var children = $(this).contents();
var span = wrap(children, 'text-decoration', 'underline');
$(this).replaceWith(span);
});
$(iframe.contentWindow.document).find('del').each(function() {
var children = $(this).contents();
var span = wrap(children, 'text-decoration', 'line-through');
$(this).replaceWith(span);
});
}
},
convertFONTs : function(replaceFonts) {
var iframe = this.iframe;
var self = this;
if (replaceFonts) {
/* Replace styled spans with their semantic equivalent */
var fonts = $(this.iframe.contentWindow.document).find('font');
if(fonts.length) fonts.each(function() {
var children = $(this).contents();
var color = null;
try {
color = $(this).attr("color").replace(/\s*/gi,'');
} catch(e) {
color = null;
}
if (!color) {
self.removeTag(this);
} else {
parentElement = iframe.contentWindow.document.createElement("span");
children.each(function() {
$(parentElement).append(this);
});
$(parentElement).css({'color':color});
$(this).before(parentElement);
$(this).remove();
}
});
}
},
makeEditable : function() {
var self = this;
try {
this.iframe.contentWindow.document.designMode = "on";
}
catch (e) {
/* setTimeout needed to counteract Mozilla bug whereby you can't immediately change designMode on newly created iframes */
setTimeout((function(){self.makeEditable()}), 250);
return false;
}
if(!$.browser.msie) this.convertSPANs(false);
$(this.container).show();
$(this.textarea).show();
$(this.iframe.contentWindow.document).mouseup(function() {
self.toolbar.checkState(self);
if (self.colorpanel) self.colorpanel.hide();
if (self.bgcolorpanel) self.bgcolorpanel.hide();
});
$(this.iframe.contentWindow.document).keyup(function() {
self.toolbar.checkState(self);
if (self.colorpanel) self.colorpanel.hide();
if (self.bgcolorpanel) self.bgcolorpanel.hide();
});
$(this.iframe.contentWindow.document).keydown(function(e){ self.detectPaste(e); });
$(this.container).find('.uEditorToolbar li a').click(function() {
self.toolbar.checkState(self);
if (self.colorpanel && (!$(this).hasClass('uEditorButtonColor'))) self.colorpanel.hide();
if (self.bgcolorpanel && (!$(this).hasClass('uEditorButtonBgColor'))) self.bgcolorpanel.hide();
});
this.locked = false;
},
contentFocus : function() {
this.iframe.contentWindow.focus();
},
createOverlay : function() {
var html = '<div class="uEditor-overlay"></div>'
var overlay = $(html);
overlay.appendTo('body');
return overlay
},
showOverlay : function() {
if (!this.overlayout) {
this.overlayout = this.createOverlay();
}
this.overlayout.css({'width':$(document).width(), 'height': $(document).height(), 'opacity':0.5});
this.overlayout.show();
},
createUploadPanel : function () {
var html = ' \
<div class="uEditor-upload uEditor-dialog"> \
<div class="uEditor-upload-content"> \
<h3>' + this.settings.translation.image + '</h3> \
<div class="uEditor-tabs"> \
<ul class="uEditor-clear"> \
<li rel="remote">' + this.settings.translation.imageRemote + '</li> \
<li rel="local" class="selected">' + this.settings.translation.imageLocal + '</li> \
</ul> \
</div> \
<div class="uEditor-upload-content-body" style="display:none;">\
<p><label for="uEditor-imageurl">' + this.settings.translation.imageURL + '</label><input type="text" id="uEditor-imageurl" class="uEditor-input" name="imageurl" /></p> \
<p><label for="uEditor-imagealt">' + this.settings.translation.imageAlt + '</label><input type="text" id="uEditor-imagealt" class="uEditor-input" name="imagealt" /></p> \
<p><input type="button" value="'+ this.settings.translation.submit +'" id="uEditor-image-button" class="uEditor-button" /></p> \
</div> \
<div class="uEditor-upload-content-body"> \
<p><label for="uEditor-upload-file">' + this.settings.translation.imageLocal + '</label><input type="file" name="upload" id="uEditor-upload-file" class="uEditor-file" /></p> \
<p><input type="button" value="'+ this.settings.translation.submit +'" id="uEditor-upload-button" class="uEditor-button" /></p> \
</div> \
</div> \
</div> \
';
panel = $(html)
panel.appendTo('body');
return panel
},
showUploadPanel : function (){
if (!this.uploadpanel) {
this.uploadpanel = this.createUploadPanel();
}
var left = ($(window).width() - this.uploadpanel.width()) / 2;
var top = ($(window).height() - this.uploadpanel.height()) / 2 ;
this.uploadpanel.css({'top':top+$(document).scrollTop(), 'left':left+$(document).scrollLeft()});
this.uploadpanel.show();
},
createColorPanel : function () {
var colors = [
[['#000','#444','#666','#999','#CCC','#EEE','#F3F3F3','#FFF']],
[['#F00','#F90','#FF0','#0F0','#0FF','#00F','#90F','#F0F']],
[
['#F4CCCC','#FCE5CD','#FFF2CC','#D9EAD3','#D0E0E3','#CFE2F3','#D9D2E9','#EAD1DC'],
['#EA9999','#F9CB9C','#FFE599','#B6D7A8','#A2C4C9','#9FC5E8','#B4A7D6','#D5A6BD'],
['#E06666','#F6B26B','#FFD966','#93C47D','#76A5AF','#6FA8DC','#8E7CC3','#C27BAD'],
['#CC0000','#E69138','#F1C232','#6AA84F','#45818E','#3D85C6','#674EA7','#A64D79'],
['#990000','#B45F06','#BF9000','#38761D','#134F5C','#0B5394','#351C75','#741B47'],
['#660000','#783F04','#7F6000','#274E13','#0C343D','#073763','#20124D','#4C1130']
]
];
var html = ' \
<div class="uEditor-color uEditor-dialog" onmousedown="return false;"> \
<div class="uEditor-color-panel"><a href="javascript:void(\'清除\');" class="uEditor-color-remove">清除</a> \
';
$.each(colors, function(i, palette){
html = html + '<div class="uEditor-color-palette"><table><tbody>';
$.each(palette, function(i, tr) {
html = html + '<tr>';
$.each(tr, function() {
html = html + '<td><a style="background-color:' + this + '" class="uEditor-color-a" href="javascript:void(0);"></a></td>';
})
html = html + '</tr>';
})
html = html + '</tbody></table></div>';
})
html = html + '</div></div>';
panel = $(html)
panel.appendTo('body');
return panel
},
modifyFormSubmit : function() {
var self = this;
var form = $(this.container).parents('form');
form.submit(function() {
return self.updateuEditorInput();
});
},
insertNewParagraph : function(elementArray, succeedingElement) {
var body = $(this.iframe).contents().find('body');
var paragraph = this.iframe.contentWindow.document.createElement("p");
$(elementArray).each(function(){
$(paragraph).append(this);
});
if (typeof(succeedingElement) != "undefined"){
try {
body[0].insertBefore(paragraph, succeedingElement);
}
catch (e) {
body[0].insertBefore(paragraph, succeedingElement[0]);
}
} else {
body.append(paragraph);
}
return true;
},
paragraphise : function() {
if (settings.insertParagraphs && this.wysiwyg) {
var bodyNodes = $(this.iframe).contents().find('body').contents();
/* Remove all text nodes containing just whitespace */
bodyNodes.each(function() {
// something like $(this).is('#text')); would be great
if (this.nodeName.toLowerCase() == "#text" &&
this.data.search(/^\s*$/) != -1) {
this.data = '';
}
});
var self = this;
var removedElements = new Array();
bodyNodes.each(function() {
if($(this).is(':inline') || this.nodeType == 3) {
removedElements.push(this.cloneNode(true));
$(this).remove();
}
else if($(this).is('br')) {
if(!$(this).is(':last-child')) {
/* If the current break tag is followed by another break tag */
if($(this).next().is('br')) {
/* Remove consecutive break tags */
while($(this).next().is('br')) {
$(this).remove();
}
if (removedElements.length) {
self.insertNewParagraph(removedElements, this);
removedElements = new Array();
}
}
/* If the break tag appears before a block element */
else if (!$(this).is(':inline') && this.nodeType != 3) {
$(this).remove();
}
else if (removedElements.length) {
removedElements.push(this.cloneNode(true));
$(this).remove();
}
else {
$(this).remove();
}
} else {
$(this).remove();
}
}
else if (removedElements.length) {
self.insertNewParagraph(removedElements, this);
removedElements = new Array();
}
});
if (removedElements.length > 0)
{
this.insertNewParagraph(removedElements);
}
}
},
switchMode : function() {
if (!this.locked) {
this.locked = true;
/* Switch to HTML source */
if (this.wysiwyg) {
this.updateuEditorInput();
html = $(this.input).val();
// add \r\n
html = html.replace(/<\/([^>]*)>/g, '</\$1>\r\n');
html = html.replace(/>/g, '>');
html = html.replace(/</g, '<');
$(this.textarea).val(html);
$(this.iframe).replaceWith(this.textarea);
this.toolbar.disable();
this.wysiwyg = false;
this.locked = false;
}
/* Switch to WYSIWYG */
else {
this.updateuEditorInput();
$(this.textarea).replaceWith(this.iframe);
this.writeDocument(this.input.value);
this.toolbar.enable();
this.makeEditable();
this.wysiwyg = true;
}
}
},
detectPaste : function(e) {
if(!e.ctrlKey || e.keyCode != 86 || this.cleaning) return;
var self = this;
setTimeout(function(e){
self.cleanSource();
}, 100);
},
cleanSource : function() {
var self = this;
this.cleaning = true;
var html = "";
var body = $(this.iframe.contentWindow.document).find("body");
if (!$.browser.msie) this.convertSPANs(true);
if($.browser.webkit) this.convertFONTs(true);
$.each(settings.undesiredTags, function(tag, action) {
body.find(tag).each(function() {
switch(action) {
case 'remove' :
$(this).remove();
break;
case 'extractContent' :
self.removeTag(this);
break;
default :
$(this).remove();
break;
}
});
});
if (this.wysiwyg) html = body.html();
else html = $(this.textarea).val();
/* Remove leading and trailing whitespace */
html = html.replace(/^\s*/, "");
html = html.replace(/\s*$/, "");
/* remove comments */
html = html.replace(/<--.*-->/, "");
/* format content inside html tags */
html = html.replace(/<[^>]*>/g, function(match) {
/* replace single quotes */
match = match.replace(/='(.*)' /g, '="$1" ');
/* check if the atribute is allowed */
match = match.replace(/ ([^=]+)="?([^"]*)"?/g, function(match, attribute, value){
if( $.inArray(attribute, settings.allowedAttributes) == -1) return '';
switch(attribute) {
case 'id' :
if($.inArray(value, settings.allowedIDs) == -1) return '';
case 'class' :
if($.inArray(value, settings.allowedClasses) == -1) return '';
default :
return match;
}
});
return match.toLowerCase();
});
/* Remove style attribute inside any tag */
// html = html.replace(/ style="[^"]*"/g, "");
/* Replace improper BRs */
html = html.replace(/<br>/g, "<br />");
/* Remove BRs right before the end of blocks */
html = html.replace(/<br \/>\s*<\/(h1|h2|h3|h4|h5|h6|li|p)/g, "</$1");
/* Shift the <br /> at the end of an inline element just after it */
html = html.replace(/(<br \/>)*\s*(<\/[^>]*>)/g, "$2$1");
/*
// Remove BRs alone in tags
html = html.replace(/<[^\/>]*>(<br \/>)*\s*<\/[^>]*>/g, "$1");
*/
/* Replace improper IMGs */
html = html.replace(/(<img [^>]+[^\/])>/g, "$1 />");
/* Remove empty tags */
html = html.replace(/(<[^\/]>|<[^\/][^>]*[^\/]>)\s*<\/[^>]*>/g, "");
/* Final cleanout for MS Word cruft */
html = html.replace(/<\?xml[^>]*>/g, "");
html = html.replace(/<[^ >]+:[^>]*>/g, "");
html = html.replace(/<\/[^ >]+:[^>]*>/g, "");
if (this.wysiwyg) $(this.iframe.contentWindow.document).find("body").html(html);
else $(this.textarea).val(html);
$(this.input).val(html);
this.cleaning = false;
},
refreshDisplay : function() {
if (this.wysiwyg) $(this.iframe.contentWindow.document).find("body").html($(this.input).val());
else $(this.textarea).val($(this.input).val());
},
updateuEditorInput : function() {
if (this.wysiwyg) {
/* Convert spans to semantics in Mozilla */
this.paragraphise();
this.cleanSource();
}
else {
var html = $(this.textarea).val();
html = html.replace(/<pre([^>]+)?>([\w\W]+?)<\/pre>/g, function(match, lang, code){
code = code.replace('<', '<').replace('>', '>');
return '<pre'+lang +'">'+ code +'</pre>';
})
$(this.input).val(html);
}
},
init : function(settings) {
/* Detects if designMode is available */
if (typeof(document.designMode) != "string" && document.designMode != "off") return;
this.locked = true;
this.cleaning = false;
this.DOMCache = "";
this.wysiwyg = true;
this.overlayout = null;
this.uploadpanel = null;
this.colorpanel = null;
this.bgcolorpanel = null;
this.createDOM();
this.writeDocument(); // Fill editor with old textarea content
this.makeEditable();
this.modifyFormSubmit();
}
});
this.init();
};
// uEditorToolbar class
var uEditorToolbar = function(editor) {
$.extend(this, {
createDOM : function() {
var self = this;
/* Create toolbar ul element */
this.itemsList = document.createElement("ul");
$(this.itemsList).addClass("uEditorToolbar");
/* Create toolbar items */
$.each(this.uEditor.settings.toolbarItems, function(i, name) {
if(name == "formatblock") self.addSelect(name);
else self.addButton(name);
});
},
addButton : function(buttonName) {
var button = $.uEditorToolbarItems[buttonName];
var menuItem = $(document.createElement("li"));
var buttonTitle = (typeof(this.uEditor.settings.translation[buttonName]) != 'undefined' ) ?
this.uEditor.settings.translation[buttonName] : button.label;
var link = $(document.createElement("a")).attr({
'title' : buttonTitle,
'class' : button.className,
'href' : 'javascript:void(0)'
});
button.editor = this.uEditor;
$(link).data('action', button);
$(link).data('editor', this.uEditor);
link.bind('click', button.action);
link.append(document.createTextNode(buttonTitle));
menuItem.append(link);
$(this.itemsList).append(menuItem);
},
addSelect : function(selectName) {
var self = this;
var select= $.uEditorToolbarItems[selectName];
var menuItem = $(document.createElement("li")).attr('class', 'uEditorEditSelect');
var selectElement = $(document.createElement("select")).attr({
'name' : select.name,
'class' : select.className
});
$(selectElement).data('editor', this.uEditor);
$(selectElement).change(select.action);
var legend = $(document.createElement("option"));
var selectLabel = (typeof(this.uEditor.settings.translation[selectName]) != 'undefined' ) ?
this.uEditor.settings.translation[selectName] : select.label;
legend.append(document.createTextNode(selectLabel));
selectElement.append(legend);
$.each(this.uEditor.settings.selectBlockOptions, function(i, value) {
var option = $(document.createElement("option")).attr('value',value);
option.append(document.createTextNode(self.uEditor.settings.translation[value]));
selectElement.append(option);
});
menuItem.append(selectElement);
$(this.itemsList).append(menuItem);
},
disable : function() {
$(this.itemsList).toggleClass("uEditorSource");
$(this.itemsList).find('li select').attr('disabled','disabled');
},
enable : function() {
/* Change class to enable buttons using CSS */
$(this.itemsList).toggleClass("uEditorSource");
$(this.itemsList).find("select").removeAttr("disabled");
},
getNode : function (uEditor) {
var selection = null;
var range = null;
var parentnode = null;
/* IE selections */
if (uEditor.iframe.contentWindow && uEditor.iframe.contentWindow.document.selection) {
selection = uEditor.iframe.contentWindow.document.selection;
range = selection.createRange();
try {
parentnode = range.parentElement();
}
catch (e) {
return undefined;
}
}
/* Mozilla selections */
else {
try {
selection = uEditor.iframe.contentWindow.getSelection();
}
catch (e) {
return undefined;
}
range = selection.getRangeAt(0);
parentnode = range.commonAncestorContainer;
}
return parentnode
},
checkState : function(uEditor, resubmit) {
if (!resubmit) {
/* Allow browser to update selection before using the selection */
setTimeout(function(){uEditor.toolbar.checkState(uEditor, true); return true;}, 500);
return true;
}
/* Turn off all the buttons */
$(uEditor.toolbar.itemsList).find('a').removeClass('on');
var parentnode = this.getNode(uEditor);
if (parentnode==undefined) return false;
while (parentnode.nodeType == 3) { // textNode
parentnode = parentnode.parentNode;
}
while (parentnode.nodeName.toLowerCase() != "body") {
if($(parentnode).is('a')) uEditor.toolbar.setState("link", "on");
else if($(parentnode).is('em')) uEditor.toolbar.setState("italic", "on");
else if($(parentnode).is('strong')) uEditor.toolbar.setState("bold", "on");
else if($(parentnode).is('span') || $(parentnode).is('p') || $(parentnode).is('div')) {
if($(parentnode).css('font-style') == 'italic') uEditor.toolbar.setState("italic", "on");
if($(parentnode).css('font-weight') == 'bold' || $(parentnode).css('font-weight')==700) uEditor.toolbar.setState("bold", "on");
if($(parentnode).css('text-align') == 'center') uEditor.toolbar.setState("justifycenter", "on");
else if($(parentnode).css('text-align') == 'right') uEditor.toolbar.setState("justifyright", "on");
else uEditor.toolbar.setState("justifyleft", "on");
}
else if($(parentnode).is('ol')) {
uEditor.toolbar.setState("orderedlist", "on");
}
else if($(parentnode).is('ul')) {
uEditor.toolbar.setState("unorderedlist", "on");
}
else uEditor.toolbar.setState("formatblock", parentnode.nodeName.toLowerCase());
parentnode = parentnode.parentNode;
}
},
setState: function(state, status) {
if (state != "SelectBlock") {
var obj = $(this.itemsList).find('.' + $.uEditorToolbarItems[state].className);
obj.addClass(status);
if (status=='off') { obj.removeClass('on'); }
} else { $(this.itemsList).find('.' + $.uEditorToolbarItems[state].className).val(status); }
},
init : function(editor) {
this.uEditor = editor;
this.createDOM();
}
});
this.init(editor);
};
/* uEditorToolbarItems class, can be extended using $.extend($.uEditorToolbarItems, { (...) } */
var uEditorToolbarItems = function() {
/* Defines singleton logic */
uEditorToolbarItemsClass = this.constructor;
if(typeof(uEditorToolbarItemsClass.singleton) != 'undefined') return uEditorToolbarItemsClass.singleton;
else uEditorToolbarItemsClass.singleton = this;
/* Extends class with items properties, will only be executed once */
$.extend(uEditorToolbarItemsClass.singleton, {
bold : {
className : 'uEditorButtonBold',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('bold', false, null);
editor.toolbar.setState('bold', "on");
}
},
italic : {
className : 'uEditorButtonItalic',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('italic', false, null);
editor.toolbar.setState('italic', "on");
}
},
underline : {
className : 'uEditorButtonUnderline',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('underline', false, null);
editor.toolbar.setState('underline', "on");
}
},
strikethrough : {
className : 'uEditorButtonStrikeThrough',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('strikeThrough', false, null);
editor.toolbar.setState('strikethrough', "on");
}
},
link : {
className : 'uEditorButtonHyperlink',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
if ($(this).hasClass("on")) {
editor.iframe.contentWindow.document.execCommand("Unlink", false, null);
return;
}
var selection = $(editor.iframe).getSelection();
if (selection == "") {
//alert(editor.settings.translation.selectTextToHyperlink);
return;
}
var url = prompt(editor.settings.translation.linkURL, "http://");
if (url != null) {
editor.iframe.contentWindow.document.execCommand("CreateLink", false, url);
var parentnode = editor.toolbar.getNode(editor);
if (parentnode != null) {
$.each($(parentnode).children(), function(i,element){
if ($(element).is('a')) $(element).attr('target','_blank');
})
}
editor.toolbar.setState('link', "on");
}
}
},
orderedlist : {
className : 'uEditorButtonOrderedList',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('insertorderedlist', false, null);
editor.toolbar.setState('orderedlist', "on");
editor.contentFocus();
}
},
unorderedlist : {
className : 'uEditorButtonUnorderedList',
action : function(){
var editor = $.data(this, 'editor');
if(!editor.wysiwyg) return;
editor.iframe.contentWindow.document.execCommand('insertunorderedlist', false, null);
editor.toolbar.setState('unorderedlist', "on");
editor.contentFocus();