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2097 lines
66 KiB
JavaScript
2097 lines
66 KiB
JavaScript
/*
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit._editor.RichText"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit._editor.RichText"] = true;
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dojo.provide("dijit._editor.RichText");
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dojo.require("dijit._Widget");
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dojo.require("dijit._CssStateMixin");
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dojo.require("dijit._editor.selection");
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dojo.require("dijit._editor.range");
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dojo.require("dijit._editor.html");
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// used to restore content when user leaves this page then comes back
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// but do not try doing dojo.doc.write if we are using xd loading.
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// dojo.doc.write will only work if RichText.js is included in the dojo.js
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// file. If it is included in dojo.js and you want to allow rich text saving
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// for back/forward actions, then set dojo.config.allowXdRichTextSave = true.
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if(!dojo.config["useXDomain"] || dojo.config["allowXdRichTextSave"]){
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if(dojo._postLoad){
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(function(){
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var savetextarea = dojo.doc.createElement('textarea');
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savetextarea.id = dijit._scopeName + "._editor.RichText.value";
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dojo.style(savetextarea, {
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display:'none',
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position:'absolute',
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top:"-100px",
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height:"3px",
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width:"3px"
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});
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dojo.body().appendChild(savetextarea);
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})();
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}else{
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//dojo.body() is not available before onLoad is fired
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try{
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dojo.doc.write('<textarea id="' + dijit._scopeName + '._editor.RichText.value" ' +
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'style="display:none;position:absolute;top:-100px;left:-100px;height:3px;width:3px;overflow:hidden;"></textarea>');
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}catch(e){ }
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}
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}
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dojo.declare("dijit._editor.RichText", [dijit._Widget, dijit._CssStateMixin], {
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constructor: function(params){
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// summary:
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// dijit._editor.RichText is the core of dijit.Editor, which provides basic
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// WYSIWYG editing features.
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//
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// description:
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// dijit._editor.RichText is the core of dijit.Editor, which provides basic
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// WYSIWYG editing features. It also encapsulates the differences
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// of different js engines for various browsers. Do not use this widget
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// with an HTML <TEXTAREA> tag, since the browser unescapes XML escape characters,
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// like <. This can have unexpected behavior and lead to security issues
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// such as scripting attacks.
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//
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// tags:
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// private
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// contentPreFilters: Function(String)[]
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// Pre content filter function register array.
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// these filters will be executed before the actual
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// editing area gets the html content.
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this.contentPreFilters = [];
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// contentPostFilters: Function(String)[]
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// post content filter function register array.
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// These will be used on the resulting html
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// from contentDomPostFilters. The resulting
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// content is the final html (returned by getValue()).
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this.contentPostFilters = [];
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// contentDomPreFilters: Function(DomNode)[]
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// Pre content dom filter function register array.
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// These filters are applied after the result from
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// contentPreFilters are set to the editing area.
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this.contentDomPreFilters = [];
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// contentDomPostFilters: Function(DomNode)[]
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// Post content dom filter function register array.
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// These filters are executed on the editing area dom.
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// The result from these will be passed to contentPostFilters.
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this.contentDomPostFilters = [];
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// editingAreaStyleSheets: dojo._URL[]
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// array to store all the stylesheets applied to the editing area
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this.editingAreaStyleSheets = [];
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// Make a copy of this.events before we start writing into it, otherwise we
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// will modify the prototype which leads to bad things on pages w/multiple editors
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this.events = [].concat(this.events);
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this._keyHandlers = {};
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if(params && dojo.isString(params.value)){
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this.value = params.value;
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}
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this.onLoadDeferred = new dojo.Deferred();
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},
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baseClass: "dijitEditor",
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// inheritWidth: Boolean
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// whether to inherit the parent's width or simply use 100%
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inheritWidth: false,
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// focusOnLoad: [deprecated] Boolean
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// Focus into this widget when the page is loaded
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focusOnLoad: false,
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// name: String?
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// Specifies the name of a (hidden) <textarea> node on the page that's used to save
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// the editor content on page leave. Used to restore editor contents after navigating
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// to a new page and then hitting the back button.
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name: "",
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// styleSheets: [const] String
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// semicolon (";") separated list of css files for the editing area
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styleSheets: "",
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// height: String
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// Set height to fix the editor at a specific height, with scrolling.
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// By default, this is 300px. If you want to have the editor always
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// resizes to accommodate the content, use AlwaysShowToolbar plugin
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// and set height="". If this editor is used within a layout widget,
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// set height="100%".
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height: "300px",
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// minHeight: String
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// The minimum height that the editor should have.
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minHeight: "1em",
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// isClosed: [private] Boolean
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isClosed: true,
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// isLoaded: [private] Boolean
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isLoaded: false,
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// _SEPARATOR: [private] String
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// Used to concat contents from multiple editors into a single string,
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// so they can be saved into a single <textarea> node. See "name" attribute.
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_SEPARATOR: "@@**%%__RICHTEXTBOUNDRY__%%**@@",
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// _NAME_CONTENT_SEP: [private] String
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// USed to separate name from content. Just a colon isn't safe.
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_NAME_CONTENT_SEP: "@@**%%:%%**@@",
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// onLoadDeferred: [readonly] dojo.Deferred
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// Deferred which is fired when the editor finishes loading.
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// Call myEditor.onLoadDeferred.then(callback) it to be informed
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// when the rich-text area initialization is finalized.
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onLoadDeferred: null,
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// isTabIndent: Boolean
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// Make tab key and shift-tab indent and outdent rather than navigating.
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// Caution: sing this makes web pages inaccessible to users unable to use a mouse.
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isTabIndent: false,
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// disableSpellCheck: [const] Boolean
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// When true, disables the browser's native spell checking, if supported.
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// Works only in Firefox.
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disableSpellCheck: false,
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postCreate: function(){
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if("textarea" == this.domNode.tagName.toLowerCase()){
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console.warn("RichText should not be used with the TEXTAREA tag. See dijit._editor.RichText docs.");
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}
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// Push in the builtin filters now, making them the first executed, but not over-riding anything
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// users passed in. See: #6062
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this.contentPreFilters = [dojo.hitch(this, "_preFixUrlAttributes")].concat(this.contentPreFilters);
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if(dojo.isMoz){
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this.contentPreFilters = [this._normalizeFontStyle].concat(this.contentPreFilters);
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this.contentPostFilters = [this._removeMozBogus].concat(this.contentPostFilters);
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}
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if(dojo.isWebKit){
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// Try to clean up WebKit bogus artifacts. The inserted classes
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// made by WebKit sometimes messes things up.
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this.contentPreFilters = [this._removeWebkitBogus].concat(this.contentPreFilters);
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this.contentPostFilters = [this._removeWebkitBogus].concat(this.contentPostFilters);
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}
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if(dojo.isIE){
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// IE generates <strong> and <em> but we want to normalize to <b> and <i>
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this.contentPostFilters = [this._normalizeFontStyle].concat(this.contentPostFilters);
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}
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this.inherited(arguments);
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dojo.publish(dijit._scopeName + "._editor.RichText::init", [this]);
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this.open();
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this.setupDefaultShortcuts();
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},
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setupDefaultShortcuts: function(){
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// summary:
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// Add some default key handlers
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// description:
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// Overwrite this to setup your own handlers. The default
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// implementation does not use Editor commands, but directly
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// executes the builtin commands within the underlying browser
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// support.
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// tags:
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// protected
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var exec = dojo.hitch(this, function(cmd, arg){
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return function(){
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return !this.execCommand(cmd,arg);
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};
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});
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var ctrlKeyHandlers = {
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b: exec("bold"),
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i: exec("italic"),
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u: exec("underline"),
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a: exec("selectall"),
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s: function(){ this.save(true); },
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m: function(){ this.isTabIndent = !this.isTabIndent; },
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"1": exec("formatblock", "h1"),
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"2": exec("formatblock", "h2"),
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"3": exec("formatblock", "h3"),
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"4": exec("formatblock", "h4"),
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"\\": exec("insertunorderedlist")
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};
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if(!dojo.isIE){
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ctrlKeyHandlers.Z = exec("redo"); //FIXME: undo?
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}
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for(var key in ctrlKeyHandlers){
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this.addKeyHandler(key, true, false, ctrlKeyHandlers[key]);
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}
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},
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// events: [private] String[]
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// events which should be connected to the underlying editing area
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events: ["onKeyPress", "onKeyDown", "onKeyUp"], // onClick handled specially
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// captureEvents: [deprecated] String[]
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// Events which should be connected to the underlying editing
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// area, events in this array will be addListener with
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// capture=true.
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// TODO: looking at the code I don't see any distinction between events and captureEvents,
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// so get rid of this for 2.0 if not sooner
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captureEvents: [],
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_editorCommandsLocalized: false,
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_localizeEditorCommands: function(){
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// summary:
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// When IE is running in a non-English locale, the API actually changes,
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// so that we have to say (for example) danraku instead of p (for paragraph).
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// Handle that here.
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// tags:
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// private
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if(dijit._editor._editorCommandsLocalized){
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// Use the already generate cache of mappings.
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this._local2NativeFormatNames = dijit._editor._local2NativeFormatNames;
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this._native2LocalFormatNames = dijit._editor._native2LocalFormatNames;
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return;
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}
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dijit._editor._editorCommandsLocalized = true;
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dijit._editor._local2NativeFormatNames = {};
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dijit._editor._native2LocalFormatNames = {};
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this._local2NativeFormatNames = dijit._editor._local2NativeFormatNames;
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this._native2LocalFormatNames = dijit._editor._native2LocalFormatNames;
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//in IE, names for blockformat is locale dependent, so we cache the values here
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//put p after div, so if IE returns Normal, we show it as paragraph
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//We can distinguish p and div if IE returns Normal, however, in order to detect that,
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//we have to call this.document.selection.createRange().parentElement() or such, which
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//could slow things down. Leave it as it is for now
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var formats = ['div', 'p', 'pre', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'ul', 'address'];
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var localhtml = "", format, i=0;
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while((format=formats[i++])){
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//append a <br> after each element to separate the elements more reliably
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if(format.charAt(1) !== 'l'){
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localhtml += "<"+format+"><span>content</span></"+format+"><br/>";
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}else{
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localhtml += "<"+format+"><li>content</li></"+format+"><br/>";
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}
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}
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// queryCommandValue returns empty if we hide editNode, so move it out of screen temporary
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// Also, IE9 does weird stuff unless we do it inside the editor iframe.
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var style = { position: "absolute", top: "0px", zIndex: 10, opacity: 0.01 };
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var div = dojo.create('div', {style: style, innerHTML: localhtml});
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dojo.body().appendChild(div);
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// IE9 has a timing issue with doing this right after setting
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// the inner HTML, so put a delay in.
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var inject = dojo.hitch(this, function(){
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var node = div.firstChild;
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while(node){
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try{
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dijit._editor.selection.selectElement(node.firstChild);
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var nativename = node.tagName.toLowerCase();
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this._local2NativeFormatNames[nativename] = document.queryCommandValue("formatblock");
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this._native2LocalFormatNames[this._local2NativeFormatNames[nativename]] = nativename;
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node = node.nextSibling.nextSibling;
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//console.log("Mapped: ", nativename, " to: ", this._local2NativeFormatNames[nativename]);
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}catch(e) { /*Sqelch the occasional IE9 error */ }
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}
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div.parentNode.removeChild(div);
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div.innerHTML = "";
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});
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setTimeout(inject, 0);
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},
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open: function(/*DomNode?*/ element){
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// summary:
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// Transforms the node referenced in this.domNode into a rich text editing
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// node.
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// description:
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// Sets up the editing area asynchronously. This will result in
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// the creation and replacement with an iframe.
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// tags:
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// private
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if(!this.onLoadDeferred || this.onLoadDeferred.fired >= 0){
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this.onLoadDeferred = new dojo.Deferred();
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}
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if(!this.isClosed){ this.close(); }
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dojo.publish(dijit._scopeName + "._editor.RichText::open", [ this ]);
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if(arguments.length == 1 && element.nodeName){ // else unchanged
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this.domNode = element;
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}
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var dn = this.domNode;
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// "html" will hold the innerHTML of the srcNodeRef and will be used to
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// initialize the editor.
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var html;
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if(dojo.isString(this.value)){
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// Allow setting the editor content programmatically instead of
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// relying on the initial content being contained within the target
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// domNode.
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html = this.value;
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delete this.value;
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dn.innerHTML = "";
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}else if(dn.nodeName && dn.nodeName.toLowerCase() == "textarea"){
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// if we were created from a textarea, then we need to create a
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// new editing harness node.
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var ta = (this.textarea = dn);
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this.name = ta.name;
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html = ta.value;
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dn = this.domNode = dojo.doc.createElement("div");
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dn.setAttribute('widgetId', this.id);
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ta.removeAttribute('widgetId');
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dn.cssText = ta.cssText;
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dn.className += " " + ta.className;
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dojo.place(dn, ta, "before");
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var tmpFunc = dojo.hitch(this, function(){
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//some browsers refuse to submit display=none textarea, so
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//move the textarea off screen instead
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dojo.style(ta, {
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display: "block",
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position: "absolute",
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top: "-1000px"
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});
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if(dojo.isIE){ //nasty IE bug: abnormal formatting if overflow is not hidden
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var s = ta.style;
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this.__overflow = s.overflow;
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s.overflow = "hidden";
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}
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});
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if(dojo.isIE){
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setTimeout(tmpFunc, 10);
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}else{
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tmpFunc();
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}
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if(ta.form){
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var resetValue = ta.value;
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this.reset = function(){
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var current = this.getValue();
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if(current != resetValue){
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this.replaceValue(resetValue);
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}
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};
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dojo.connect(ta.form, "onsubmit", this, function(){
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// Copy value to the <textarea> so it gets submitted along with form.
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// FIXME: should we be calling close() here instead?
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dojo.attr(ta, 'disabled', this.disabled); // don't submit the value if disabled
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ta.value = this.getValue();
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});
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}
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}else{
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html = dijit._editor.getChildrenHtml(dn);
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dn.innerHTML = "";
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}
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var content = dojo.contentBox(dn);
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this._oldHeight = content.h;
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this._oldWidth = content.w;
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this.value = html;
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// If we're a list item we have to put in a blank line to force the
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// bullet to nicely align at the top of text
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if(dn.nodeName && dn.nodeName == "LI"){
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dn.innerHTML = " <br>";
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}
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// Construct the editor div structure.
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this.header = dn.ownerDocument.createElement("div");
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dn.appendChild(this.header);
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this.editingArea = dn.ownerDocument.createElement("div");
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dn.appendChild(this.editingArea);
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this.footer = dn.ownerDocument.createElement("div");
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dn.appendChild(this.footer);
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if(!this.name){
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this.name = this.id + "_AUTOGEN";
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}
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// User has pressed back/forward button so we lost the text in the editor, but it's saved
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// in a hidden <textarea> (which contains the data for all the editors on this page),
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// so get editor value from there
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if(this.name !== "" && (!dojo.config["useXDomain"] || dojo.config["allowXdRichTextSave"])){
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var saveTextarea = dojo.byId(dijit._scopeName + "._editor.RichText.value");
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if(saveTextarea && saveTextarea.value !== ""){
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var datas = saveTextarea.value.split(this._SEPARATOR), i=0, dat;
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while((dat=datas[i++])){
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var data = dat.split(this._NAME_CONTENT_SEP);
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if(data[0] == this.name){
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html = data[1];
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datas = datas.splice(i, 1);
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saveTextarea.value = datas.join(this._SEPARATOR);
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break;
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}
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}
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}
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if(!dijit._editor._globalSaveHandler){
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dijit._editor._globalSaveHandler = {};
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dojo.addOnUnload(function() {
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var id;
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for(id in dijit._editor._globalSaveHandler){
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var f = dijit._editor._globalSaveHandler[id];
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if(dojo.isFunction(f)){
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f();
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}
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}
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});
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}
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dijit._editor._globalSaveHandler[this.id] = dojo.hitch(this, "_saveContent");
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}
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this.isClosed = false;
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var ifr = (this.editorObject = this.iframe = dojo.doc.createElement('iframe'));
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ifr.id = this.id+"_iframe";
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this._iframeSrc = this._getIframeDocTxt();
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ifr.style.border = "none";
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ifr.style.width = "100%";
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if(this._layoutMode){
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// iframe should be 100% height, thus getting it's height from surrounding
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// <div> (which has the correct height set by Editor)
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ifr.style.height = "100%";
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}else{
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if(dojo.isIE >= 7){
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if(this.height){
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ifr.style.height = this.height;
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}
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if(this.minHeight){
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ifr.style.minHeight = this.minHeight;
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}
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}else{
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ifr.style.height = this.height ? this.height : this.minHeight;
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}
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}
|
|
ifr.frameBorder = 0;
|
|
ifr._loadFunc = dojo.hitch( this, function(win){
|
|
this.window = win;
|
|
this.document = this.window.document;
|
|
|
|
if(dojo.isIE){
|
|
this._localizeEditorCommands();
|
|
}
|
|
|
|
// Do final setup and set initial contents of editor
|
|
this.onLoad(html);
|
|
});
|
|
|
|
// Set the iframe's initial (blank) content.
|
|
var s = 'javascript:parent.' + dijit._scopeName + '.byId("'+this.id+'")._iframeSrc';
|
|
ifr.setAttribute('src', s);
|
|
this.editingArea.appendChild(ifr);
|
|
|
|
if(dojo.isSafari <= 4){
|
|
var src = ifr.getAttribute("src");
|
|
if(!src || src.indexOf("javascript") == -1){
|
|
// Safari 4 and earlier sometimes act oddly
|
|
// So we have to set it again.
|
|
setTimeout(function(){ifr.setAttribute('src', s);},0);
|
|
}
|
|
}
|
|
|
|
// TODO: this is a guess at the default line-height, kinda works
|
|
if(dn.nodeName == "LI"){
|
|
dn.lastChild.style.marginTop = "-1.2em";
|
|
}
|
|
|
|
dojo.addClass(this.domNode, this.baseClass);
|
|
},
|
|
|
|
//static cache variables shared among all instance of this class
|
|
_local2NativeFormatNames: {},
|
|
_native2LocalFormatNames: {},
|
|
|
|
_getIframeDocTxt: function(){
|
|
// summary:
|
|
// Generates the boilerplate text of the document inside the iframe (ie, <html><head>...</head><body/></html>).
|
|
// Editor content (if not blank) should be added afterwards.
|
|
// tags:
|
|
// private
|
|
var _cs = dojo.getComputedStyle(this.domNode);
|
|
|
|
// The contents inside of <body>. The real contents are set later via a call to setValue().
|
|
var html = "";
|
|
var setBodyId = true;
|
|
if(dojo.isIE || dojo.isWebKit || (!this.height && !dojo.isMoz)){
|
|
// In auto-expand mode, need a wrapper div for AlwaysShowToolbar plugin to correctly
|
|
// expand/contract the editor as the content changes.
|
|
html = "<div id='dijitEditorBody'></div>";
|
|
setBodyId = false;
|
|
}else if(dojo.isMoz){
|
|
// workaround bug where can't select then delete text (until user types something
|
|
// into the editor)... and/or issue where typing doesn't erase selected text
|
|
this._cursorToStart = true;
|
|
html = " ";
|
|
}
|
|
|
|
var font = [ _cs.fontWeight, _cs.fontSize, _cs.fontFamily ].join(" ");
|
|
|
|
// line height is tricky - applying a units value will mess things up.
|
|
// if we can't get a non-units value, bail out.
|
|
var lineHeight = _cs.lineHeight;
|
|
if(lineHeight.indexOf("px") >= 0){
|
|
lineHeight = parseFloat(lineHeight)/parseFloat(_cs.fontSize);
|
|
// console.debug(lineHeight);
|
|
}else if(lineHeight.indexOf("em")>=0){
|
|
lineHeight = parseFloat(lineHeight);
|
|
}else{
|
|
// If we can't get a non-units value, just default
|
|
// it to the CSS spec default of 'normal'. Seems to
|
|
// work better, esp on IE, than '1.0'
|
|
lineHeight = "normal";
|
|
}
|
|
var userStyle = "";
|
|
var self = this;
|
|
this.style.replace(/(^|;)\s*(line-|font-?)[^;]+/ig, function(match){
|
|
match = match.replace(/^;/ig,"") + ';';
|
|
var s = match.split(":")[0];
|
|
if(s){
|
|
s = dojo.trim(s);
|
|
s = s.toLowerCase();
|
|
var i;
|
|
var sC = "";
|
|
for(i = 0; i < s.length; i++){
|
|
var c = s.charAt(i);
|
|
switch(c){
|
|
case "-":
|
|
i++;
|
|
c = s.charAt(i).toUpperCase();
|
|
default:
|
|
sC += c;
|
|
}
|
|
}
|
|
dojo.style(self.domNode, sC, "");
|
|
}
|
|
userStyle += match + ';';
|
|
});
|
|
|
|
|
|
// need to find any associated label element and update iframe document title
|
|
var label=dojo.query('label[for="'+this.id+'"]');
|
|
|
|
return [
|
|
this.isLeftToRight() ? "<html>\n<head>\n" : "<html dir='rtl'>\n<head>\n",
|
|
(dojo.isMoz && label.length ? "<title>" + label[0].innerHTML + "</title>\n" : ""),
|
|
"<meta http-equiv='Content-Type' content='text/html'>\n",
|
|
"<style>\n",
|
|
"\tbody,html {\n",
|
|
"\t\tbackground:transparent;\n",
|
|
"\t\tpadding: 1px 0 0 0;\n",
|
|
"\t\tmargin: -1px 0 0 0;\n", // remove extraneous vertical scrollbar on safari and firefox
|
|
|
|
// Set the html/body sizing. Webkit always needs this, other browsers
|
|
// only set it when height is defined (not auto-expanding), otherwise
|
|
// scrollers do not appear.
|
|
((dojo.isWebKit)?"\t\twidth: 100%;\n":""),
|
|
((dojo.isWebKit)?"\t\theight: 100%;\n":""),
|
|
"\t}\n",
|
|
|
|
// TODO: left positioning will cause contents to disappear out of view
|
|
// if it gets too wide for the visible area
|
|
"\tbody{\n",
|
|
"\t\ttop:0px;\n",
|
|
"\t\tleft:0px;\n",
|
|
"\t\tright:0px;\n",
|
|
"\t\tfont:", font, ";\n",
|
|
((this.height||dojo.isOpera) ? "" : "\t\tposition: fixed;\n"),
|
|
// FIXME: IE 6 won't understand min-height?
|
|
"\t\tmin-height:", this.minHeight, ";\n",
|
|
"\t\tline-height:", lineHeight,";\n",
|
|
"\t}\n",
|
|
"\tp{ margin: 1em 0; }\n",
|
|
|
|
// Determine how scrollers should be applied. In autoexpand mode (height = "") no scrollers on y at all.
|
|
// But in fixed height mode we want both x/y scrollers. Also, if it's using wrapping div and in auto-expand
|
|
// (Mainly IE) we need to kill the y scroller on body and html.
|
|
(!setBodyId && !this.height ? "\tbody,html {overflow-y: hidden;}\n" : ""),
|
|
"\t#dijitEditorBody{overflow-x: auto; overflow-y:" + (this.height ? "auto;" : "hidden;") + " outline: 0px;}\n",
|
|
"\tli > ul:-moz-first-node, li > ol:-moz-first-node{ padding-top: 1.2em; }\n",
|
|
// Can't set min-height in IE9, it puts layout on li, which puts move/resize handles.
|
|
(!dojo.isIE ? "\tli{ min-height:1.2em; }\n" : ""),
|
|
"</style>\n",
|
|
this._applyEditingAreaStyleSheets(),"\n",
|
|
"</head>\n<body ",
|
|
(setBodyId?"id='dijitEditorBody' ":""),
|
|
"onload='frameElement._loadFunc(window,document)' style='"+userStyle+"'>", html, "</body>\n</html>"
|
|
].join(""); // String
|
|
},
|
|
|
|
_applyEditingAreaStyleSheets: function(){
|
|
// summary:
|
|
// apply the specified css files in styleSheets
|
|
// tags:
|
|
// private
|
|
var files = [];
|
|
if(this.styleSheets){
|
|
files = this.styleSheets.split(';');
|
|
this.styleSheets = '';
|
|
}
|
|
|
|
//empty this.editingAreaStyleSheets here, as it will be filled in addStyleSheet
|
|
files = files.concat(this.editingAreaStyleSheets);
|
|
this.editingAreaStyleSheets = [];
|
|
|
|
var text='', i=0, url;
|
|
while((url=files[i++])){
|
|
var abstring = (new dojo._Url(dojo.global.location, url)).toString();
|
|
this.editingAreaStyleSheets.push(abstring);
|
|
text += '<link rel="stylesheet" type="text/css" href="'+abstring+'"/>';
|
|
}
|
|
return text;
|
|
},
|
|
|
|
addStyleSheet: function(/*dojo._Url*/ uri){
|
|
// summary:
|
|
// add an external stylesheet for the editing area
|
|
// uri:
|
|
// A dojo.uri.Uri pointing to the url of the external css file
|
|
var url=uri.toString();
|
|
|
|
//if uri is relative, then convert it to absolute so that it can be resolved correctly in iframe
|
|
if(url.charAt(0) == '.' || (url.charAt(0) != '/' && !uri.host)){
|
|
url = (new dojo._Url(dojo.global.location, url)).toString();
|
|
}
|
|
|
|
if(dojo.indexOf(this.editingAreaStyleSheets, url) > -1){
|
|
// console.debug("dijit._editor.RichText.addStyleSheet: Style sheet "+url+" is already applied");
|
|
return;
|
|
}
|
|
|
|
this.editingAreaStyleSheets.push(url);
|
|
this.onLoadDeferred.addCallback(dojo.hitch(this, function(){
|
|
if(this.document.createStyleSheet){ //IE
|
|
this.document.createStyleSheet(url);
|
|
}else{ //other browser
|
|
var head = this.document.getElementsByTagName("head")[0];
|
|
var stylesheet = this.document.createElement("link");
|
|
stylesheet.rel="stylesheet";
|
|
stylesheet.type="text/css";
|
|
stylesheet.href=url;
|
|
head.appendChild(stylesheet);
|
|
}
|
|
}));
|
|
},
|
|
|
|
removeStyleSheet: function(/*dojo._Url*/ uri){
|
|
// summary:
|
|
// remove an external stylesheet for the editing area
|
|
var url=uri.toString();
|
|
//if uri is relative, then convert it to absolute so that it can be resolved correctly in iframe
|
|
if(url.charAt(0) == '.' || (url.charAt(0) != '/' && !uri.host)){
|
|
url = (new dojo._Url(dojo.global.location, url)).toString();
|
|
}
|
|
var index = dojo.indexOf(this.editingAreaStyleSheets, url);
|
|
if(index == -1){
|
|
// console.debug("dijit._editor.RichText.removeStyleSheet: Style sheet "+url+" has not been applied");
|
|
return;
|
|
}
|
|
delete this.editingAreaStyleSheets[index];
|
|
dojo.withGlobal(this.window,'query', dojo, ['link:[href="'+url+'"]']).orphan();
|
|
},
|
|
|
|
// disabled: Boolean
|
|
// The editor is disabled; the text cannot be changed.
|
|
disabled: false,
|
|
|
|
_mozSettingProps: {'styleWithCSS':false},
|
|
_setDisabledAttr: function(/*Boolean*/ value){
|
|
value = !!value;
|
|
this._set("disabled", value);
|
|
if(!this.isLoaded){ return; } // this method requires init to be complete
|
|
if(dojo.isIE || dojo.isWebKit || dojo.isOpera){
|
|
var preventIEfocus = dojo.isIE && (this.isLoaded || !this.focusOnLoad);
|
|
if(preventIEfocus){ this.editNode.unselectable = "on"; }
|
|
this.editNode.contentEditable = !value;
|
|
if(preventIEfocus){
|
|
var _this = this;
|
|
setTimeout(function(){ _this.editNode.unselectable = "off"; }, 0);
|
|
}
|
|
}else{ //moz
|
|
try{
|
|
this.document.designMode=(value?'off':'on');
|
|
}catch(e){ return; } // ! _disabledOK
|
|
if(!value && this._mozSettingProps){
|
|
var ps = this._mozSettingProps;
|
|
for(var n in ps){
|
|
if(ps.hasOwnProperty(n)){
|
|
try{
|
|
this.document.execCommand(n,false,ps[n]);
|
|
}catch(e2){}
|
|
}
|
|
}
|
|
}
|
|
// this.document.execCommand('contentReadOnly', false, value);
|
|
// if(value){
|
|
// this.blur(); //to remove the blinking caret
|
|
// }
|
|
}
|
|
this._disabledOK = true;
|
|
},
|
|
|
|
/* Event handlers
|
|
*****************/
|
|
|
|
onLoad: function(/*String*/ html){
|
|
// summary:
|
|
// Handler after the iframe finishes loading.
|
|
// html: String
|
|
// Editor contents should be set to this value
|
|
// tags:
|
|
// protected
|
|
|
|
// TODO: rename this to _onLoad, make empty public onLoad() method, deprecate/make protected onLoadDeferred handler?
|
|
|
|
if(!this.window.__registeredWindow){
|
|
this.window.__registeredWindow = true;
|
|
this._iframeRegHandle = dijit.registerIframe(this.iframe);
|
|
}
|
|
if(!dojo.isIE && !dojo.isWebKit && (this.height || dojo.isMoz)){
|
|
this.editNode=this.document.body;
|
|
}else{
|
|
// there's a wrapper div around the content, see _getIframeDocTxt().
|
|
this.editNode=this.document.body.firstChild;
|
|
var _this = this;
|
|
if(dojo.isIE){ // #4996 IE wants to focus the BODY tag
|
|
this.tabStop = dojo.create('div', { tabIndex: -1 }, this.editingArea);
|
|
this.iframe.onfocus = function(){ _this.editNode.setActive(); };
|
|
}
|
|
}
|
|
this.focusNode = this.editNode; // for InlineEditBox
|
|
|
|
|
|
var events = this.events.concat(this.captureEvents);
|
|
var ap = this.iframe ? this.document : this.editNode;
|
|
dojo.forEach(events, function(item){
|
|
this.connect(ap, item.toLowerCase(), item);
|
|
}, this);
|
|
|
|
this.connect(ap, "onmouseup", "onClick"); // mouseup in the margin does not generate an onclick event
|
|
|
|
if(dojo.isIE){ // IE contentEditable
|
|
this.connect(this.document, "onmousedown", "_onIEMouseDown"); // #4996 fix focus
|
|
|
|
// give the node Layout on IE
|
|
// TODO: this may no longer be needed, since we've reverted IE to using an iframe,
|
|
// not contentEditable. Removing it would also probably remove the need for creating
|
|
// the extra <div> in _getIframeDocTxt()
|
|
this.editNode.style.zoom = 1.0;
|
|
}else{
|
|
this.connect(this.document, "onmousedown", function(){
|
|
// Clear the moveToStart focus, as mouse
|
|
// down will set cursor point. Required to properly
|
|
// work with selection/position driven plugins and clicks in
|
|
// the window. refs: #10678
|
|
delete this._cursorToStart;
|
|
});
|
|
}
|
|
|
|
if(dojo.isWebKit){
|
|
//WebKit sometimes doesn't fire right on selections, so the toolbar
|
|
//doesn't update right. Therefore, help it out a bit with an additional
|
|
//listener. A mouse up will typically indicate a display change, so fire this
|
|
//and get the toolbar to adapt. Reference: #9532
|
|
this._webkitListener = this.connect(this.document, "onmouseup", "onDisplayChanged");
|
|
this.connect(this.document, "onmousedown", function(e){
|
|
var t = e.target;
|
|
if(t && (t === this.document.body || t === this.document)){
|
|
// Since WebKit uses the inner DIV, we need to check and set position.
|
|
// See: #12024 as to why the change was made.
|
|
setTimeout(dojo.hitch(this, "placeCursorAtEnd"), 0);
|
|
}
|
|
});
|
|
}
|
|
|
|
if(dojo.isIE){
|
|
// Try to make sure 'hidden' elements aren't visible in edit mode (like browsers other than IE
|
|
// do). See #9103
|
|
try{
|
|
this.document.execCommand('RespectVisibilityInDesign', true, null);
|
|
}catch(e){/* squelch */}
|
|
}
|
|
|
|
this.isLoaded = true;
|
|
|
|
this.set('disabled', this.disabled); // initialize content to editable (or not)
|
|
|
|
// Note that setValue() call will only work after isLoaded is set to true (above)
|
|
|
|
// Set up a function to allow delaying the setValue until a callback is fired
|
|
// This ensures extensions like dijit.Editor have a way to hold the value set
|
|
// until plugins load (and do things like register filters).
|
|
var setContent = dojo.hitch(this, function(){
|
|
this.setValue(html);
|
|
if(this.onLoadDeferred){
|
|
this.onLoadDeferred.callback(true);
|
|
}
|
|
this.onDisplayChanged();
|
|
if(this.focusOnLoad){
|
|
// after the document loads, then set focus after updateInterval expires so that
|
|
// onNormalizedDisplayChanged has run to avoid input caret issues
|
|
dojo.addOnLoad(dojo.hitch(this, function(){ setTimeout(dojo.hitch(this, "focus"), this.updateInterval); }));
|
|
}
|
|
// Save off the initial content now
|
|
this.value = this.getValue(true);
|
|
});
|
|
if(this.setValueDeferred){
|
|
this.setValueDeferred.addCallback(setContent);
|
|
}else{
|
|
setContent();
|
|
}
|
|
},
|
|
|
|
onKeyDown: function(/* Event */ e){
|
|
// summary:
|
|
// Handler for onkeydown event
|
|
// tags:
|
|
// protected
|
|
|
|
// we need this event at the moment to get the events from control keys
|
|
// such as the backspace. It might be possible to add this to Dojo, so that
|
|
// keyPress events can be emulated by the keyDown and keyUp detection.
|
|
|
|
if(e.keyCode === dojo.keys.TAB && this.isTabIndent ){
|
|
dojo.stopEvent(e); //prevent tab from moving focus out of editor
|
|
|
|
// FIXME: this is a poor-man's indent/outdent. It would be
|
|
// better if it added 4 " " chars in an undoable way.
|
|
// Unfortunately pasteHTML does not prove to be undoable
|
|
if(this.queryCommandEnabled((e.shiftKey ? "outdent" : "indent"))){
|
|
this.execCommand((e.shiftKey ? "outdent" : "indent"));
|
|
}
|
|
}
|
|
if(dojo.isIE){
|
|
if(e.keyCode == dojo.keys.TAB && !this.isTabIndent){
|
|
if(e.shiftKey && !e.ctrlKey && !e.altKey){
|
|
// focus the BODY so the browser will tab away from it instead
|
|
this.iframe.focus();
|
|
}else if(!e.shiftKey && !e.ctrlKey && !e.altKey){
|
|
// focus the BODY so the browser will tab away from it instead
|
|
this.tabStop.focus();
|
|
}
|
|
}else if(e.keyCode === dojo.keys.BACKSPACE && this.document.selection.type === "Control"){
|
|
// IE has a bug where if a non-text object is selected in the editor,
|
|
// hitting backspace would act as if the browser's back button was
|
|
// clicked instead of deleting the object. see #1069
|
|
dojo.stopEvent(e);
|
|
this.execCommand("delete");
|
|
}else if((65 <= e.keyCode && e.keyCode <= 90) ||
|
|
(e.keyCode>=37 && e.keyCode<=40) // FIXME: get this from connect() instead!
|
|
){ //arrow keys
|
|
e.charCode = e.keyCode;
|
|
this.onKeyPress(e);
|
|
}
|
|
}
|
|
return true;
|
|
},
|
|
|
|
onKeyUp: function(e){
|
|
// summary:
|
|
// Handler for onkeyup event
|
|
// tags:
|
|
// callback
|
|
return;
|
|
},
|
|
|
|
setDisabled: function(/*Boolean*/ disabled){
|
|
// summary:
|
|
// Deprecated, use set('disabled', ...) instead.
|
|
// tags:
|
|
// deprecated
|
|
dojo.deprecated('dijit.Editor::setDisabled is deprecated','use dijit.Editor::attr("disabled",boolean) instead', 2.0);
|
|
this.set('disabled',disabled);
|
|
},
|
|
_setValueAttr: function(/*String*/ value){
|
|
// summary:
|
|
// Registers that attr("value", foo) should call setValue(foo)
|
|
this.setValue(value);
|
|
},
|
|
_setDisableSpellCheckAttr: function(/*Boolean*/ disabled){
|
|
if(this.document){
|
|
dojo.attr(this.document.body, "spellcheck", !disabled);
|
|
}else{
|
|
// try again after the editor is finished loading
|
|
this.onLoadDeferred.addCallback(dojo.hitch(this, function(){
|
|
dojo.attr(this.document.body, "spellcheck", !disabled);
|
|
}));
|
|
}
|
|
this._set("disableSpellCheck", disabled);
|
|
},
|
|
|
|
onKeyPress: function(e){
|
|
// summary:
|
|
// Handle the various key events
|
|
// tags:
|
|
// protected
|
|
|
|
var c = (e.keyChar && e.keyChar.toLowerCase()) || e.keyCode,
|
|
handlers = this._keyHandlers[c],
|
|
args = arguments;
|
|
|
|
if(handlers && !e.altKey){
|
|
dojo.some(handlers, function(h){
|
|
// treat meta- same as ctrl-, for benefit of mac users
|
|
if(!(h.shift ^ e.shiftKey) && !(h.ctrl ^ (e.ctrlKey||e.metaKey))){
|
|
if(!h.handler.apply(this, args)){
|
|
e.preventDefault();
|
|
}
|
|
return true;
|
|
}
|
|
}, this);
|
|
}
|
|
|
|
// function call after the character has been inserted
|
|
if(!this._onKeyHitch){
|
|
this._onKeyHitch = dojo.hitch(this, "onKeyPressed");
|
|
}
|
|
setTimeout(this._onKeyHitch, 1);
|
|
return true;
|
|
},
|
|
|
|
addKeyHandler: function(/*String*/ key, /*Boolean*/ ctrl, /*Boolean*/ shift, /*Function*/ handler){
|
|
// summary:
|
|
// Add a handler for a keyboard shortcut
|
|
// description:
|
|
// The key argument should be in lowercase if it is a letter character
|
|
// tags:
|
|
// protected
|
|
if(!dojo.isArray(this._keyHandlers[key])){
|
|
this._keyHandlers[key] = [];
|
|
}
|
|
//TODO: would be nice to make this a hash instead of an array for quick lookups
|
|
this._keyHandlers[key].push({
|
|
shift: shift || false,
|
|
ctrl: ctrl || false,
|
|
handler: handler
|
|
});
|
|
},
|
|
|
|
onKeyPressed: function(){
|
|
// summary:
|
|
// Handler for after the user has pressed a key, and the display has been updated.
|
|
// (Runs on a timer so that it runs after the display is updated)
|
|
// tags:
|
|
// private
|
|
this.onDisplayChanged(/*e*/); // can't pass in e
|
|
},
|
|
|
|
onClick: function(/*Event*/ e){
|
|
// summary:
|
|
// Handler for when the user clicks.
|
|
// tags:
|
|
// private
|
|
|
|
// console.info('onClick',this._tryDesignModeOn);
|
|
this.onDisplayChanged(e);
|
|
},
|
|
|
|
_onIEMouseDown: function(/*Event*/ e){
|
|
// summary:
|
|
// IE only to prevent 2 clicks to focus
|
|
// tags:
|
|
// protected
|
|
|
|
if(!this._focused && !this.disabled){
|
|
this.focus();
|
|
}
|
|
},
|
|
|
|
_onBlur: function(e){
|
|
// summary:
|
|
// Called from focus manager when focus has moved away from this editor
|
|
// tags:
|
|
// protected
|
|
|
|
// console.info('_onBlur')
|
|
|
|
this.inherited(arguments);
|
|
|
|
var newValue = this.getValue(true);
|
|
if(newValue != this.value){
|
|
this.onChange(newValue);
|
|
}
|
|
this._set("value", newValue);
|
|
},
|
|
|
|
_onFocus: function(/*Event*/ e){
|
|
// summary:
|
|
// Called from focus manager when focus has moved into this editor
|
|
// tags:
|
|
// protected
|
|
|
|
// console.info('_onFocus')
|
|
if(!this.disabled){
|
|
if(!this._disabledOK){
|
|
this.set('disabled', false);
|
|
}
|
|
this.inherited(arguments);
|
|
}
|
|
},
|
|
|
|
// TODO: remove in 2.0
|
|
blur: function(){
|
|
// summary:
|
|
// Remove focus from this instance.
|
|
// tags:
|
|
// deprecated
|
|
if(!dojo.isIE && this.window.document.documentElement && this.window.document.documentElement.focus){
|
|
this.window.document.documentElement.focus();
|
|
}else if(dojo.doc.body.focus){
|
|
dojo.doc.body.focus();
|
|
}
|
|
},
|
|
|
|
focus: function(){
|
|
// summary:
|
|
// Move focus to this editor
|
|
if(!this.isLoaded){
|
|
this.focusOnLoad = true;
|
|
return;
|
|
}
|
|
if(this._cursorToStart){
|
|
delete this._cursorToStart;
|
|
if(this.editNode.childNodes){
|
|
this.placeCursorAtStart(); // this calls focus() so return
|
|
return;
|
|
}
|
|
}
|
|
if(!dojo.isIE){
|
|
dijit.focus(this.iframe);
|
|
}else if(this.editNode && this.editNode.focus){
|
|
// editNode may be hidden in display:none div, lets just punt in this case
|
|
//this.editNode.focus(); -> causes IE to scroll always (strict and quirks mode) to the top the Iframe
|
|
// if we fire the event manually and let the browser handle the focusing, the latest
|
|
// cursor position is focused like in FF
|
|
this.iframe.fireEvent('onfocus', document.createEventObject()); // createEventObject only in IE
|
|
// }else{
|
|
// TODO: should we throw here?
|
|
// console.debug("Have no idea how to focus into the editor!");
|
|
}
|
|
},
|
|
|
|
// _lastUpdate: 0,
|
|
updateInterval: 200,
|
|
_updateTimer: null,
|
|
onDisplayChanged: function(/*Event*/ e){
|
|
// summary:
|
|
// This event will be fired everytime the display context
|
|
// changes and the result needs to be reflected in the UI.
|
|
// description:
|
|
// If you don't want to have update too often,
|
|
// onNormalizedDisplayChanged should be used instead
|
|
// tags:
|
|
// private
|
|
|
|
// var _t=new Date();
|
|
if(this._updateTimer){
|
|
clearTimeout(this._updateTimer);
|
|
}
|
|
if(!this._updateHandler){
|
|
this._updateHandler = dojo.hitch(this,"onNormalizedDisplayChanged");
|
|
}
|
|
this._updateTimer = setTimeout(this._updateHandler, this.updateInterval);
|
|
|
|
// Technically this should trigger a call to watch("value", ...) registered handlers,
|
|
// but getValue() is too slow to call on every keystroke so we don't.
|
|
},
|
|
onNormalizedDisplayChanged: function(){
|
|
// summary:
|
|
// This event is fired every updateInterval ms or more
|
|
// description:
|
|
// If something needs to happen immediately after a
|
|
// user change, please use onDisplayChanged instead.
|
|
// tags:
|
|
// private
|
|
delete this._updateTimer;
|
|
},
|
|
onChange: function(newContent){
|
|
// summary:
|
|
// This is fired if and only if the editor loses focus and
|
|
// the content is changed.
|
|
},
|
|
_normalizeCommand: function(/*String*/ cmd, /*Anything?*/argument){
|
|
// summary:
|
|
// Used as the advice function by dojo.connect to map our
|
|
// normalized set of commands to those supported by the target
|
|
// browser.
|
|
// tags:
|
|
// private
|
|
|
|
var command = cmd.toLowerCase();
|
|
if(command == "formatblock"){
|
|
if(dojo.isSafari && argument === undefined){ command = "heading"; }
|
|
}else if(command == "hilitecolor" && !dojo.isMoz){
|
|
command = "backcolor";
|
|
}
|
|
|
|
return command;
|
|
},
|
|
|
|
_qcaCache: {},
|
|
queryCommandAvailable: function(/*String*/ command){
|
|
// summary:
|
|
// Tests whether a command is supported by the host. Clients
|
|
// SHOULD check whether a command is supported before attempting
|
|
// to use it, behaviour for unsupported commands is undefined.
|
|
// command:
|
|
// The command to test for
|
|
// tags:
|
|
// private
|
|
|
|
// memoizing version. See _queryCommandAvailable for computing version
|
|
var ca = this._qcaCache[command];
|
|
if(ca !== undefined){ return ca; }
|
|
return (this._qcaCache[command] = this._queryCommandAvailable(command));
|
|
},
|
|
|
|
_queryCommandAvailable: function(/*String*/ command){
|
|
// summary:
|
|
// See queryCommandAvailable().
|
|
// tags:
|
|
// private
|
|
|
|
var ie = 1;
|
|
var mozilla = 1 << 1;
|
|
var webkit = 1 << 2;
|
|
var opera = 1 << 3;
|
|
|
|
function isSupportedBy(browsers){
|
|
return {
|
|
ie: Boolean(browsers & ie),
|
|
mozilla: Boolean(browsers & mozilla),
|
|
webkit: Boolean(browsers & webkit),
|
|
opera: Boolean(browsers & opera)
|
|
};
|
|
}
|
|
|
|
var supportedBy = null;
|
|
|
|
switch(command.toLowerCase()){
|
|
case "bold": case "italic": case "underline":
|
|
case "subscript": case "superscript":
|
|
case "fontname": case "fontsize":
|
|
case "forecolor": case "hilitecolor":
|
|
case "justifycenter": case "justifyfull": case "justifyleft":
|
|
case "justifyright": case "delete": case "selectall": case "toggledir":
|
|
supportedBy = isSupportedBy(mozilla | ie | webkit | opera);
|
|
break;
|
|
|
|
case "createlink": case "unlink": case "removeformat":
|
|
case "inserthorizontalrule": case "insertimage":
|
|
case "insertorderedlist": case "insertunorderedlist":
|
|
case "indent": case "outdent": case "formatblock":
|
|
case "inserthtml": case "undo": case "redo": case "strikethrough": case "tabindent":
|
|
supportedBy = isSupportedBy(mozilla | ie | opera | webkit);
|
|
break;
|
|
|
|
case "blockdirltr": case "blockdirrtl":
|
|
case "dirltr": case "dirrtl":
|
|
case "inlinedirltr": case "inlinedirrtl":
|
|
supportedBy = isSupportedBy(ie);
|
|
break;
|
|
case "cut": case "copy": case "paste":
|
|
supportedBy = isSupportedBy( ie | mozilla | webkit);
|
|
break;
|
|
|
|
case "inserttable":
|
|
supportedBy = isSupportedBy(mozilla | ie);
|
|
break;
|
|
|
|
case "insertcell": case "insertcol": case "insertrow":
|
|
case "deletecells": case "deletecols": case "deleterows":
|
|
case "mergecells": case "splitcell":
|
|
supportedBy = isSupportedBy(ie | mozilla);
|
|
break;
|
|
|
|
default: return false;
|
|
}
|
|
|
|
return (dojo.isIE && supportedBy.ie) ||
|
|
(dojo.isMoz && supportedBy.mozilla) ||
|
|
(dojo.isWebKit && supportedBy.webkit) ||
|
|
(dojo.isOpera && supportedBy.opera); // Boolean return true if the command is supported, false otherwise
|
|
},
|
|
|
|
execCommand: function(/*String*/ command, argument){
|
|
// summary:
|
|
// Executes a command in the Rich Text area
|
|
// command:
|
|
// The command to execute
|
|
// argument:
|
|
// An optional argument to the command
|
|
// tags:
|
|
// protected
|
|
var returnValue;
|
|
|
|
//focus() is required for IE to work
|
|
//In addition, focus() makes sure after the execution of
|
|
//the command, the editor receives the focus as expected
|
|
this.focus();
|
|
|
|
command = this._normalizeCommand(command, argument);
|
|
|
|
if(argument !== undefined){
|
|
if(command == "heading"){
|
|
throw new Error("unimplemented");
|
|
}else if((command == "formatblock") && dojo.isIE){
|
|
argument = '<'+argument+'>';
|
|
}
|
|
}
|
|
|
|
//Check to see if we have any over-rides for commands, they will be functions on this
|
|
//widget of the form _commandImpl. If we don't, fall through to the basic native
|
|
//exec command of the browser.
|
|
var implFunc = "_" + command + "Impl";
|
|
if(this[implFunc]){
|
|
returnValue = this[implFunc](argument);
|
|
}else{
|
|
argument = arguments.length > 1 ? argument : null;
|
|
if(argument || command!="createlink"){
|
|
returnValue = this.document.execCommand(command, false, argument);
|
|
}
|
|
}
|
|
|
|
this.onDisplayChanged();
|
|
return returnValue;
|
|
},
|
|
|
|
queryCommandEnabled: function(/*String*/ command){
|
|
// summary:
|
|
// Check whether a command is enabled or not.
|
|
// tags:
|
|
// protected
|
|
if(this.disabled || !this._disabledOK){ return false; }
|
|
command = this._normalizeCommand(command);
|
|
if(dojo.isMoz || dojo.isWebKit){
|
|
if(command == "unlink"){ // mozilla returns true always
|
|
// console.debug(this._sCall("hasAncestorElement", ['a']));
|
|
return this._sCall("hasAncestorElement", ["a"]);
|
|
}else if(command == "inserttable"){
|
|
return true;
|
|
}
|
|
}
|
|
//see #4109
|
|
if(dojo.isWebKit){
|
|
if(command == "cut" || command == "copy") {
|
|
// WebKit deems clipboard activity as a security threat and natively would return false
|
|
var sel = this.window.getSelection();
|
|
if(sel){ sel = sel.toString(); }
|
|
return !!sel;
|
|
}else if(command == "paste"){
|
|
return true;
|
|
}
|
|
}
|
|
|
|
var elem = dojo.isIE ? this.document.selection.createRange() : this.document;
|
|
try{
|
|
return elem.queryCommandEnabled(command);
|
|
}catch(e){
|
|
//Squelch, occurs if editor is hidden on FF 3 (and maybe others.)
|
|
return false;
|
|
}
|
|
|
|
},
|
|
|
|
queryCommandState: function(command){
|
|
// summary:
|
|
// Check the state of a given command and returns true or false.
|
|
// tags:
|
|
// protected
|
|
|
|
if(this.disabled || !this._disabledOK){ return false; }
|
|
command = this._normalizeCommand(command);
|
|
try{
|
|
return this.document.queryCommandState(command);
|
|
}catch(e){
|
|
//Squelch, occurs if editor is hidden on FF 3 (and maybe others.)
|
|
return false;
|
|
}
|
|
},
|
|
|
|
queryCommandValue: function(command){
|
|
// summary:
|
|
// Check the value of a given command. This matters most for
|
|
// custom selections and complex values like font value setting.
|
|
// tags:
|
|
// protected
|
|
|
|
if(this.disabled || !this._disabledOK){ return false; }
|
|
var r;
|
|
command = this._normalizeCommand(command);
|
|
if(dojo.isIE && command == "formatblock"){
|
|
r = this._native2LocalFormatNames[this.document.queryCommandValue(command)];
|
|
}else if(dojo.isMoz && command === "hilitecolor"){
|
|
var oldValue;
|
|
try{
|
|
oldValue = this.document.queryCommandValue("styleWithCSS");
|
|
}catch(e){
|
|
oldValue = false;
|
|
}
|
|
this.document.execCommand("styleWithCSS", false, true);
|
|
r = this.document.queryCommandValue(command);
|
|
this.document.execCommand("styleWithCSS", false, oldValue);
|
|
}else{
|
|
r = this.document.queryCommandValue(command);
|
|
}
|
|
return r;
|
|
},
|
|
|
|
// Misc.
|
|
|
|
_sCall: function(name, args){
|
|
// summary:
|
|
// Run the named method of dijit._editor.selection over the
|
|
// current editor instance's window, with the passed args.
|
|
// tags:
|
|
// private
|
|
return dojo.withGlobal(this.window, name, dijit._editor.selection, args);
|
|
},
|
|
|
|
// FIXME: this is a TON of code duplication. Why?
|
|
|
|
placeCursorAtStart: function(){
|
|
// summary:
|
|
// Place the cursor at the start of the editing area.
|
|
// tags:
|
|
// private
|
|
|
|
this.focus();
|
|
|
|
//see comments in placeCursorAtEnd
|
|
var isvalid=false;
|
|
if(dojo.isMoz){
|
|
// TODO: Is this branch even necessary?
|
|
var first=this.editNode.firstChild;
|
|
while(first){
|
|
if(first.nodeType == 3){
|
|
if(first.nodeValue.replace(/^\s+|\s+$/g, "").length>0){
|
|
isvalid=true;
|
|
this._sCall("selectElement", [ first ]);
|
|
break;
|
|
}
|
|
}else if(first.nodeType == 1){
|
|
isvalid=true;
|
|
var tg = first.tagName ? first.tagName.toLowerCase() : "";
|
|
// Collapse before childless tags.
|
|
if(/br|input|img|base|meta|area|basefont|hr|link/.test(tg)){
|
|
this._sCall("selectElement", [ first ]);
|
|
}else{
|
|
// Collapse inside tags with children.
|
|
this._sCall("selectElementChildren", [ first ]);
|
|
}
|
|
break;
|
|
}
|
|
first = first.nextSibling;
|
|
}
|
|
}else{
|
|
isvalid=true;
|
|
this._sCall("selectElementChildren", [ this.editNode ]);
|
|
}
|
|
if(isvalid){
|
|
this._sCall("collapse", [ true ]);
|
|
}
|
|
},
|
|
|
|
placeCursorAtEnd: function(){
|
|
// summary:
|
|
// Place the cursor at the end of the editing area.
|
|
// tags:
|
|
// private
|
|
|
|
this.focus();
|
|
|
|
//In mozilla, if last child is not a text node, we have to use
|
|
// selectElementChildren on this.editNode.lastChild otherwise the
|
|
// cursor would be placed at the end of the closing tag of
|
|
//this.editNode.lastChild
|
|
var isvalid=false;
|
|
if(dojo.isMoz){
|
|
var last=this.editNode.lastChild;
|
|
while(last){
|
|
if(last.nodeType == 3){
|
|
if(last.nodeValue.replace(/^\s+|\s+$/g, "").length>0){
|
|
isvalid=true;
|
|
this._sCall("selectElement", [ last ]);
|
|
break;
|
|
}
|
|
}else if(last.nodeType == 1){
|
|
isvalid=true;
|
|
if(last.lastChild){
|
|
this._sCall("selectElement", [ last.lastChild ]);
|
|
}else{
|
|
this._sCall("selectElement", [ last ]);
|
|
}
|
|
break;
|
|
}
|
|
last = last.previousSibling;
|
|
}
|
|
}else{
|
|
isvalid=true;
|
|
this._sCall("selectElementChildren", [ this.editNode ]);
|
|
}
|
|
if(isvalid){
|
|
this._sCall("collapse", [ false ]);
|
|
}
|
|
},
|
|
|
|
getValue: function(/*Boolean?*/ nonDestructive){
|
|
// summary:
|
|
// Return the current content of the editing area (post filters
|
|
// are applied). Users should call get('value') instead.
|
|
// nonDestructive:
|
|
// defaults to false. Should the post-filtering be run over a copy
|
|
// of the live DOM? Most users should pass "true" here unless they
|
|
// *really* know that none of the installed filters are going to
|
|
// mess up the editing session.
|
|
// tags:
|
|
// private
|
|
if(this.textarea){
|
|
if(this.isClosed || !this.isLoaded){
|
|
return this.textarea.value;
|
|
}
|
|
}
|
|
|
|
return this._postFilterContent(null, nonDestructive);
|
|
},
|
|
_getValueAttr: function(){
|
|
// summary:
|
|
// Hook to make attr("value") work
|
|
return this.getValue(true);
|
|
},
|
|
|
|
setValue: function(/*String*/ html){
|
|
// summary:
|
|
// This function sets the content. No undo history is preserved.
|
|
// Users should use set('value', ...) instead.
|
|
// tags:
|
|
// deprecated
|
|
|
|
// TODO: remove this and getValue() for 2.0, and move code to _setValueAttr()
|
|
|
|
if(!this.isLoaded){
|
|
// try again after the editor is finished loading
|
|
this.onLoadDeferred.addCallback(dojo.hitch(this, function(){
|
|
this.setValue(html);
|
|
}));
|
|
return;
|
|
}
|
|
this._cursorToStart = true;
|
|
if(this.textarea && (this.isClosed || !this.isLoaded)){
|
|
this.textarea.value=html;
|
|
}else{
|
|
html = this._preFilterContent(html);
|
|
var node = this.isClosed ? this.domNode : this.editNode;
|
|
if(html && dojo.isMoz && html.toLowerCase() == "<p></p>"){
|
|
html = "<p> </p>";
|
|
}
|
|
|
|
// Use to avoid webkit problems where editor is disabled until the user clicks it
|
|
if(!html && dojo.isWebKit){
|
|
html = " ";
|
|
}
|
|
node.innerHTML = html;
|
|
this._preDomFilterContent(node);
|
|
}
|
|
|
|
this.onDisplayChanged();
|
|
this._set("value", this.getValue(true));
|
|
},
|
|
|
|
replaceValue: function(/*String*/ html){
|
|
// summary:
|
|
// This function set the content while trying to maintain the undo stack
|
|
// (now only works fine with Moz, this is identical to setValue in all
|
|
// other browsers)
|
|
// tags:
|
|
// protected
|
|
|
|
if(this.isClosed){
|
|
this.setValue(html);
|
|
}else if(this.window && this.window.getSelection && !dojo.isMoz){ // Safari
|
|
// look ma! it's a totally f'd browser!
|
|
this.setValue(html);
|
|
}else if(this.window && this.window.getSelection){ // Moz
|
|
html = this._preFilterContent(html);
|
|
this.execCommand("selectall");
|
|
if(!html){
|
|
this._cursorToStart = true;
|
|
html = " ";
|
|
}
|
|
this.execCommand("inserthtml", html);
|
|
this._preDomFilterContent(this.editNode);
|
|
}else if(this.document && this.document.selection){//IE
|
|
//In IE, when the first element is not a text node, say
|
|
//an <a> tag, when replacing the content of the editing
|
|
//area, the <a> tag will be around all the content
|
|
//so for now, use setValue for IE too
|
|
this.setValue(html);
|
|
}
|
|
|
|
this._set("value", this.getValue(true));
|
|
},
|
|
|
|
_preFilterContent: function(/*String*/ html){
|
|
// summary:
|
|
// Filter the input before setting the content of the editing
|
|
// area. DOM pre-filtering may happen after this
|
|
// string-based filtering takes place but as of 1.2, this is not
|
|
// guaranteed for operations such as the inserthtml command.
|
|
// tags:
|
|
// private
|
|
|
|
var ec = html;
|
|
dojo.forEach(this.contentPreFilters, function(ef){ if(ef){ ec = ef(ec); } });
|
|
return ec;
|
|
},
|
|
_preDomFilterContent: function(/*DomNode*/ dom){
|
|
// summary:
|
|
// filter the input's live DOM. All filter operations should be
|
|
// considered to be "live" and operating on the DOM that the user
|
|
// will be interacting with in their editing session.
|
|
// tags:
|
|
// private
|
|
dom = dom || this.editNode;
|
|
dojo.forEach(this.contentDomPreFilters, function(ef){
|
|
if(ef && dojo.isFunction(ef)){
|
|
ef(dom);
|
|
}
|
|
}, this);
|
|
},
|
|
|
|
_postFilterContent: function(
|
|
/*DomNode|DomNode[]|String?*/ dom,
|
|
/*Boolean?*/ nonDestructive){
|
|
// summary:
|
|
// filter the output after getting the content of the editing area
|
|
//
|
|
// description:
|
|
// post-filtering allows plug-ins and users to specify any number
|
|
// of transforms over the editor's content, enabling many common
|
|
// use-cases such as transforming absolute to relative URLs (and
|
|
// vice-versa), ensuring conformance with a particular DTD, etc.
|
|
// The filters are registered in the contentDomPostFilters and
|
|
// contentPostFilters arrays. Each item in the
|
|
// contentDomPostFilters array is a function which takes a DOM
|
|
// Node or array of nodes as its only argument and returns the
|
|
// same. It is then passed down the chain for further filtering.
|
|
// The contentPostFilters array behaves the same way, except each
|
|
// member operates on strings. Together, the DOM and string-based
|
|
// filtering allow the full range of post-processing that should
|
|
// be necessaray to enable even the most agressive of post-editing
|
|
// conversions to take place.
|
|
//
|
|
// If nonDestructive is set to "true", the nodes are cloned before
|
|
// filtering proceeds to avoid potentially destructive transforms
|
|
// to the content which may still needed to be edited further.
|
|
// Once DOM filtering has taken place, the serialized version of
|
|
// the DOM which is passed is run through each of the
|
|
// contentPostFilters functions.
|
|
//
|
|
// dom:
|
|
// a node, set of nodes, which to filter using each of the current
|
|
// members of the contentDomPostFilters and contentPostFilters arrays.
|
|
//
|
|
// nonDestructive:
|
|
// defaults to "false". If true, ensures that filtering happens on
|
|
// a clone of the passed-in content and not the actual node
|
|
// itself.
|
|
//
|
|
// tags:
|
|
// private
|
|
|
|
var ec;
|
|
if(!dojo.isString(dom)){
|
|
dom = dom || this.editNode;
|
|
if(this.contentDomPostFilters.length){
|
|
if(nonDestructive){
|
|
dom = dojo.clone(dom);
|
|
}
|
|
dojo.forEach(this.contentDomPostFilters, function(ef){
|
|
dom = ef(dom);
|
|
});
|
|
}
|
|
ec = dijit._editor.getChildrenHtml(dom);
|
|
}else{
|
|
ec = dom;
|
|
}
|
|
|
|
if(!dojo.trim(ec.replace(/^\xA0\xA0*/, '').replace(/\xA0\xA0*$/, '')).length){
|
|
ec = "";
|
|
}
|
|
|
|
// if(dojo.isIE){
|
|
// //removing appended <P> </P> for IE
|
|
// ec = ec.replace(/(?:<p> </p>[\n\r]*)+$/i,"");
|
|
// }
|
|
dojo.forEach(this.contentPostFilters, function(ef){
|
|
ec = ef(ec);
|
|
});
|
|
|
|
return ec;
|
|
},
|
|
|
|
_saveContent: function(/*Event*/ e){
|
|
// summary:
|
|
// Saves the content in an onunload event if the editor has not been closed
|
|
// tags:
|
|
// private
|
|
|
|
var saveTextarea = dojo.byId(dijit._scopeName + "._editor.RichText.value");
|
|
if(saveTextarea.value){
|
|
saveTextarea.value += this._SEPARATOR;
|
|
}
|
|
saveTextarea.value += this.name + this._NAME_CONTENT_SEP + this.getValue(true);
|
|
},
|
|
|
|
|
|
escapeXml: function(/*String*/ str, /*Boolean*/ noSingleQuotes){
|
|
// summary:
|
|
// Adds escape sequences for special characters in XML.
|
|
// Optionally skips escapes for single quotes
|
|
// tags:
|
|
// private
|
|
|
|
str = str.replace(/&/gm, "&").replace(/</gm, "<").replace(/>/gm, ">").replace(/"/gm, """);
|
|
if(!noSingleQuotes){
|
|
str = str.replace(/'/gm, "'");
|
|
}
|
|
return str; // string
|
|
},
|
|
|
|
getNodeHtml: function(/* DomNode */ node){
|
|
// summary:
|
|
// Deprecated. Use dijit._editor._getNodeHtml() instead.
|
|
// tags:
|
|
// deprecated
|
|
dojo.deprecated('dijit.Editor::getNodeHtml is deprecated','use dijit._editor.getNodeHtml instead', 2);
|
|
return dijit._editor.getNodeHtml(node); // String
|
|
},
|
|
|
|
getNodeChildrenHtml: function(/* DomNode */ dom){
|
|
// summary:
|
|
// Deprecated. Use dijit._editor.getChildrenHtml() instead.
|
|
// tags:
|
|
// deprecated
|
|
dojo.deprecated('dijit.Editor::getNodeChildrenHtml is deprecated','use dijit._editor.getChildrenHtml instead', 2);
|
|
return dijit._editor.getChildrenHtml(dom);
|
|
},
|
|
|
|
close: function(/*Boolean?*/ save){
|
|
// summary:
|
|
// Kills the editor and optionally writes back the modified contents to the
|
|
// element from which it originated.
|
|
// save:
|
|
// Whether or not to save the changes. If false, the changes are discarded.
|
|
// tags:
|
|
// private
|
|
|
|
if(this.isClosed){ return; }
|
|
|
|
if(!arguments.length){ save = true; }
|
|
if(save){
|
|
this._set("value", this.getValue(true));
|
|
}
|
|
|
|
// line height is squashed for iframes
|
|
// FIXME: why was this here? if (this.iframe){ this.domNode.style.lineHeight = null; }
|
|
|
|
if(this.interval){ clearInterval(this.interval); }
|
|
|
|
if(this._webkitListener){
|
|
//Cleaup of WebKit fix: #9532
|
|
this.disconnect(this._webkitListener);
|
|
delete this._webkitListener;
|
|
}
|
|
|
|
// Guard against memory leaks on IE (see #9268)
|
|
if(dojo.isIE){
|
|
this.iframe.onfocus = null;
|
|
}
|
|
this.iframe._loadFunc = null;
|
|
|
|
if(this._iframeRegHandle){
|
|
dijit.unregisterIframe(this._iframeRegHandle);
|
|
delete this._iframeRegHandle;
|
|
}
|
|
|
|
if(this.textarea){
|
|
var s = this.textarea.style;
|
|
s.position = "";
|
|
s.left = s.top = "";
|
|
if(dojo.isIE){
|
|
s.overflow = this.__overflow;
|
|
this.__overflow = null;
|
|
}
|
|
this.textarea.value = this.value;
|
|
dojo.destroy(this.domNode);
|
|
this.domNode = this.textarea;
|
|
}else{
|
|
// Note that this destroys the iframe
|
|
this.domNode.innerHTML = this.value;
|
|
}
|
|
delete this.iframe;
|
|
|
|
dojo.removeClass(this.domNode, this.baseClass);
|
|
this.isClosed = true;
|
|
this.isLoaded = false;
|
|
|
|
delete this.editNode;
|
|
delete this.focusNode;
|
|
|
|
if(this.window && this.window._frameElement){
|
|
this.window._frameElement = null;
|
|
}
|
|
|
|
this.window = null;
|
|
this.document = null;
|
|
this.editingArea = null;
|
|
this.editorObject = null;
|
|
},
|
|
|
|
destroy: function(){
|
|
if(!this.isClosed){ this.close(false); }
|
|
this.inherited(arguments);
|
|
if(dijit._editor._globalSaveHandler){
|
|
delete dijit._editor._globalSaveHandler[this.id];
|
|
}
|
|
},
|
|
|
|
_removeMozBogus: function(/* String */ html){
|
|
// summary:
|
|
// Post filter to remove unwanted HTML attributes generated by mozilla
|
|
// tags:
|
|
// private
|
|
return html.replace(/\stype="_moz"/gi, '').replace(/\s_moz_dirty=""/gi, '').replace(/_moz_resizing="(true|false)"/gi,''); // String
|
|
},
|
|
_removeWebkitBogus: function(/* String */ html){
|
|
// summary:
|
|
// Post filter to remove unwanted HTML attributes generated by webkit
|
|
// tags:
|
|
// private
|
|
html = html.replace(/\sclass="webkit-block-placeholder"/gi, '');
|
|
html = html.replace(/\sclass="apple-style-span"/gi, '');
|
|
// For some reason copy/paste sometime adds extra meta tags for charset on
|
|
// webkit (chrome) on mac.They need to be removed. See: #12007"
|
|
html = html.replace(/<meta charset=\"utf-8\" \/>/gi, '');
|
|
return html; // String
|
|
},
|
|
_normalizeFontStyle: function(/* String */ html){
|
|
// summary:
|
|
// Convert 'strong' and 'em' to 'b' and 'i'.
|
|
// description:
|
|
// Moz can not handle strong/em tags correctly, so to help
|
|
// mozilla and also to normalize output, convert them to 'b' and 'i'.
|
|
//
|
|
// Note the IE generates 'strong' and 'em' rather than 'b' and 'i'
|
|
// tags:
|
|
// private
|
|
return html.replace(/<(\/)?strong([ \>])/gi, '<$1b$2')
|
|
.replace(/<(\/)?em([ \>])/gi, '<$1i$2' ); // String
|
|
},
|
|
|
|
_preFixUrlAttributes: function(/* String */ html){
|
|
// summary:
|
|
// Pre-filter to do fixing to href attributes on <a> and <img> tags
|
|
// tags:
|
|
// private
|
|
return html.replace(/(?:(<a(?=\s).*?\shref=)("|')(.*?)\2)|(?:(<a\s.*?href=)([^"'][^ >]+))/gi,
|
|
'$1$4$2$3$5$2 _djrealurl=$2$3$5$2')
|
|
.replace(/(?:(<img(?=\s).*?\ssrc=)("|')(.*?)\2)|(?:(<img\s.*?src=)([^"'][^ >]+))/gi,
|
|
'$1$4$2$3$5$2 _djrealurl=$2$3$5$2'); // String
|
|
},
|
|
|
|
/*****************************************************************************
|
|
The following functions implement HTML manipulation commands for various
|
|
browser/contentEditable implementations. The goal of them is to enforce
|
|
standard behaviors of them.
|
|
******************************************************************************/
|
|
|
|
_inserthorizontalruleImpl: function(argument){
|
|
// summary:
|
|
// This function implements the insertion of HTML 'HR' tags.
|
|
// into a point on the page. IE doesn't to it right, so
|
|
// we have to use an alternate form
|
|
// argument:
|
|
// arguments to the exec command, if any.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
return this._inserthtmlImpl("<hr>");
|
|
}
|
|
return this.document.execCommand("inserthorizontalrule", false, argument);
|
|
},
|
|
|
|
_unlinkImpl: function(argument){
|
|
// summary:
|
|
// This function implements the unlink of an 'a' tag.
|
|
// argument:
|
|
// arguments to the exec command, if any.
|
|
// tags:
|
|
// protected
|
|
if((this.queryCommandEnabled("unlink")) && (dojo.isMoz || dojo.isWebKit)){
|
|
var a = this._sCall("getAncestorElement", [ "a" ]);
|
|
this._sCall("selectElement", [ a ]);
|
|
return this.document.execCommand("unlink", false, null);
|
|
}
|
|
return this.document.execCommand("unlink", false, argument);
|
|
},
|
|
|
|
_hilitecolorImpl: function(argument){
|
|
// summary:
|
|
// This function implements the hilitecolor command
|
|
// argument:
|
|
// arguments to the exec command, if any.
|
|
// tags:
|
|
// protected
|
|
var returnValue;
|
|
if(dojo.isMoz){
|
|
// mozilla doesn't support hilitecolor properly when useCSS is
|
|
// set to false (bugzilla #279330)
|
|
this.document.execCommand("styleWithCSS", false, true);
|
|
returnValue = this.document.execCommand("hilitecolor", false, argument);
|
|
this.document.execCommand("styleWithCSS", false, false);
|
|
}else{
|
|
returnValue = this.document.execCommand("hilitecolor", false, argument);
|
|
}
|
|
return returnValue;
|
|
},
|
|
|
|
_backcolorImpl: function(argument){
|
|
// summary:
|
|
// This function implements the backcolor command
|
|
// argument:
|
|
// arguments to the exec command, if any.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
// Tested under IE 6 XP2, no problem here, comment out
|
|
// IE weirdly collapses ranges when we exec these commands, so prevent it
|
|
// var tr = this.document.selection.createRange();
|
|
argument = argument ? argument : null;
|
|
}
|
|
return this.document.execCommand("backcolor", false, argument);
|
|
},
|
|
|
|
_forecolorImpl: function(argument){
|
|
// summary:
|
|
// This function implements the forecolor command
|
|
// argument:
|
|
// arguments to the exec command, if any.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
// Tested under IE 6 XP2, no problem here, comment out
|
|
// IE weirdly collapses ranges when we exec these commands, so prevent it
|
|
// var tr = this.document.selection.createRange();
|
|
argument = argument? argument : null;
|
|
}
|
|
return this.document.execCommand("forecolor", false, argument);
|
|
},
|
|
|
|
_inserthtmlImpl: function(argument){
|
|
// summary:
|
|
// This function implements the insertion of HTML content into
|
|
// a point on the page.
|
|
// argument:
|
|
// The content to insert, if any.
|
|
// tags:
|
|
// protected
|
|
argument = this._preFilterContent(argument);
|
|
var rv = true;
|
|
if(dojo.isIE){
|
|
var insertRange = this.document.selection.createRange();
|
|
if(this.document.selection.type.toUpperCase() == 'CONTROL'){
|
|
var n=insertRange.item(0);
|
|
while(insertRange.length){
|
|
insertRange.remove(insertRange.item(0));
|
|
}
|
|
n.outerHTML=argument;
|
|
}else{
|
|
insertRange.pasteHTML(argument);
|
|
}
|
|
insertRange.select();
|
|
//insertRange.collapse(true);
|
|
}else if(dojo.isMoz && !argument.length){
|
|
//mozilla can not inserthtml an empty html to delete current selection
|
|
//so we delete the selection instead in this case
|
|
this._sCall("remove"); // FIXME
|
|
}else{
|
|
rv = this.document.execCommand("inserthtml", false, argument);
|
|
}
|
|
return rv;
|
|
},
|
|
|
|
_boldImpl: function(argument){
|
|
// summary:
|
|
// This function implements an over-ride of the bold command.
|
|
// argument:
|
|
// Not used, operates by selection.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
this._adaptIESelection()
|
|
}
|
|
return this.document.execCommand("bold", false, argument);
|
|
},
|
|
|
|
_italicImpl: function(argument){
|
|
// summary:
|
|
// This function implements an over-ride of the italic command.
|
|
// argument:
|
|
// Not used, operates by selection.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
this._adaptIESelection()
|
|
}
|
|
return this.document.execCommand("italic", false, argument);
|
|
},
|
|
|
|
_underlineImpl: function(argument){
|
|
// summary:
|
|
// This function implements an over-ride of the underline command.
|
|
// argument:
|
|
// Not used, operates by selection.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
this._adaptIESelection()
|
|
}
|
|
return this.document.execCommand("underline", false, argument);
|
|
},
|
|
|
|
_strikethroughImpl: function(argument){
|
|
// summary:
|
|
// This function implements an over-ride of the strikethrough command.
|
|
// argument:
|
|
// Not used, operates by selection.
|
|
// tags:
|
|
// protected
|
|
if(dojo.isIE){
|
|
this._adaptIESelection()
|
|
}
|
|
return this.document.execCommand("strikethrough", false, argument);
|
|
},
|
|
|
|
getHeaderHeight: function(){
|
|
// summary:
|
|
// A function for obtaining the height of the header node
|
|
return this._getNodeChildrenHeight(this.header); // Number
|
|
},
|
|
|
|
getFooterHeight: function(){
|
|
// summary:
|
|
// A function for obtaining the height of the footer node
|
|
return this._getNodeChildrenHeight(this.footer); // Number
|
|
},
|
|
|
|
_getNodeChildrenHeight: function(node){
|
|
// summary:
|
|
// An internal function for computing the cumulative height of all child nodes of 'node'
|
|
// node:
|
|
// The node to process the children of;
|
|
var h = 0;
|
|
if(node && node.childNodes){
|
|
// IE didn't compute it right when position was obtained on the node directly is some cases,
|
|
// so we have to walk over all the children manually.
|
|
var i;
|
|
for(i = 0; i < node.childNodes.length; i++){
|
|
var size = dojo.position(node.childNodes[i]);
|
|
h += size.h;
|
|
}
|
|
}
|
|
return h; // Number
|
|
},
|
|
|
|
_isNodeEmpty: function(node, startOffset){
|
|
// summary:
|
|
// Function to test if a node is devoid of real content.
|
|
// node:
|
|
// The node to check.
|
|
// tags:
|
|
// private.
|
|
if(node.nodeType == 1/*element*/){
|
|
if(node.childNodes.length > 0){
|
|
return this._isNodeEmpty(node.childNodes[0], startOffset);
|
|
}
|
|
return true;
|
|
}else if(node.nodeType == 3/*text*/){
|
|
return (node.nodeValue.substring(startOffset) == "");
|
|
}
|
|
return false;
|
|
},
|
|
|
|
_removeStartingRangeFromRange: function(node, range){
|
|
// summary:
|
|
// Function to adjust selection range by removing the current
|
|
// start node.
|
|
// node:
|
|
// The node to remove from the starting range.
|
|
// range:
|
|
// The range to adapt.
|
|
// tags:
|
|
// private
|
|
if(node.nextSibling){
|
|
range.setStart(node.nextSibling,0);
|
|
}else{
|
|
var parent = node.parentNode;
|
|
while(parent && parent.nextSibling == null){
|
|
//move up the tree until we find a parent that has another node, that node will be the next node
|
|
parent = parent.parentNode;
|
|
}
|
|
if(parent){
|
|
range.setStart(parent.nextSibling,0);
|
|
}
|
|
}
|
|
return range;
|
|
},
|
|
|
|
_adaptIESelection: function(){
|
|
// summary:
|
|
// Function to adapt the IE range by removing leading 'newlines'
|
|
// Needed to fix issue with bold/italics/underline not working if
|
|
// range included leading 'newlines'.
|
|
// In IE, if a user starts a selection at the very end of a line,
|
|
// then the native browser commands will fail to execute correctly.
|
|
// To work around the issue, we can remove all empty nodes from
|
|
// the start of the range selection.
|
|
var selection = dijit.range.getSelection(this.window);
|
|
if(selection && selection.rangeCount && !selection.isCollapsed){
|
|
var range = selection.getRangeAt(0);
|
|
var firstNode = range.startContainer;
|
|
var startOffset = range.startOffset;
|
|
|
|
while(firstNode.nodeType == 3/*text*/ && startOffset >= firstNode.length && firstNode.nextSibling){
|
|
//traverse the text nodes until we get to the one that is actually highlighted
|
|
startOffset = startOffset - firstNode.length;
|
|
firstNode = firstNode.nextSibling;
|
|
}
|
|
|
|
//Remove the starting ranges until the range does not start with an empty node.
|
|
var lastNode=null;
|
|
while(this._isNodeEmpty(firstNode, startOffset) && firstNode != lastNode){
|
|
lastNode =firstNode; //this will break the loop in case we can't find the next sibling
|
|
range = this._removeStartingRangeFromRange(firstNode, range); //move the start container to the next node in the range
|
|
firstNode = range.startContainer;
|
|
startOffset = 0; //start at the beginning of the new starting range
|
|
}
|
|
selection.removeAllRanges();// this will work as long as users cannot select multiple ranges. I have not been able to do that in the editor.
|
|
selection.addRange(range);
|
|
}
|
|
}
|
|
});
|
|
|
|
}
|