/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
if(!dojo._hasResource["dijit._editor.RichText"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit._editor.RichText"] = true;
dojo.provide("dijit._editor.RichText");
dojo.require("dijit._Widget");
dojo.require("dijit._CssStateMixin");
dojo.require("dijit._editor.selection");
dojo.require("dijit._editor.range");
dojo.require("dijit._editor.html");
// used to restore content when user leaves this page then comes back
// but do not try doing dojo.doc.write if we are using xd loading.
// dojo.doc.write will only work if RichText.js is included in the dojo.js
// file. If it is included in dojo.js and you want to allow rich text saving
// for back/forward actions, then set dojo.config.allowXdRichTextSave = true.
if(!dojo.config["useXDomain"] || dojo.config["allowXdRichTextSave"]){
if(dojo._postLoad){
(function(){
var savetextarea = dojo.doc.createElement('textarea');
savetextarea.id = dijit._scopeName + "._editor.RichText.value";
dojo.style(savetextarea, {
display:'none',
position:'absolute',
top:"-100px",
height:"3px",
width:"3px"
});
dojo.body().appendChild(savetextarea);
})();
}else{
//dojo.body() is not available before onLoad is fired
try{
dojo.doc.write('<textarea id="' + dijit._scopeName + '._editor.RichText.value" ' +
'style="display:none;position:absolute;top:-100px;left:-100px;height:3px;width:3px;overflow:hidden;"></textarea>');
}catch(e){ }
}
}
dojo.declare("dijit._editor.RichText", [dijit._Widget, dijit._CssStateMixin], {
constructor: function(params){
// summary:
// dijit._editor.RichText is the core of dijit.Editor, which provides basic
// WYSIWYG editing features.
//
// description:
// dijit._editor.RichText is the core of dijit.Editor, which provides basic
// WYSIWYG editing features. It also encapsulates the differences
// of different js engines for various browsers. Do not use this widget
// with an HTML <TEXTAREA> tag, since the browser unescapes XML escape characters,
// like <. This can have unexpected behavior and lead to security issues
// such as scripting attacks.
//
// tags:
// private
// contentPreFilters: Function(String)[]
// Pre content filter function register array.
// these filters will be executed before the actual
// editing area gets the html content.
this.contentPreFilters = [];
// contentPostFilters: Function(String)[]
// post content filter function register array.
// These will be used on the resulting html
// from contentDomPostFilters. The resulting
// content is the final html (returned by getValue()).
this.contentPostFilters = [];
// contentDomPreFilters: Function(DomNode)[]
// Pre content dom filter function register array.
// These filters are applied after the result from
// contentPreFilters are set to the editing area.
this.contentDomPreFilters = [];
// contentDomPostFilters: Function(DomNode)[]
// Post content dom filter function register array.
// These filters are executed on the editing area dom.
// The result from these will be passed to contentPostFilters.
this.contentDomPostFilters = [];
// editingAreaStyleSheets: dojo._URL[]
// array to store all the stylesheets applied to the editing area
this.editingAreaStyleSheets = [];
// Make a copy of this.events before we start writing into it, otherwise we
// will modify the prototype which leads to bad things on pages w/multiple editors
this.events = [].concat(this.events);
this._keyHandlers = {};
if(params && dojo.isString(params.value)){
this.value = params.value;
}
this.onLoadDeferred = new dojo.Deferred();
},
baseClass: "dijitEditor",
// inheritWidth: Boolean
// whether to inherit the parent's width or simply use 100%
inheritWidth: false,
// focusOnLoad: [deprecated] Boolean
// Focus into this widget when the page is loaded
focusOnLoad: false,
// name: String?
// Specifies the name of a (hidden) <textarea> node on the page that's used to save
// the editor content on page leave. Used to restore editor contents after navigating
// to a new page and then hitting the back button.
name: "",
// styleSheets: [const] String
// semicolon (";") separated list of css files for the editing area
styleSheets: "",
// height: String
// Set height to fix the editor at a specific height, with scrolling.
// By default, this is 300px. If you want to have the editor always
// resizes to accommodate the content, use AlwaysShowToolbar plugin
// and set height="". If this editor is used within a layout widget,
// set height="100%".
height: "300px",
// minHeight: String
// The minimum height that the editor should have.
minHeight: "1em",
// isClosed: [private] Boolean
isClosed: true,
// isLoaded: [private] Boolean
isLoaded: false,
// _SEPARATOR: [private] String
// Used to concat contents from multiple editors into a single string,
// so they can be saved into a single <textarea> node. See "name" attribute.
_SEPARATOR: "@@**%%__RICHTEXTBOUNDRY__%%**@@",
// _NAME_CONTENT_SEP: [private] String
// USed to separate name from content. Just a colon isn't safe.
_NAME_CONTENT_SEP: "@@**%%:%%**@@",
// onLoadDeferred: [readonly] dojo.Deferred
// Deferred which is fired when the editor finishes loading.
// Call myEditor.onLoadDeferred.then(callback) it to be informed
// when the rich-text area initialization is finalized.
onLoadDeferred: null,
// isTabIndent: Boolean
// Make tab key and shift-tab indent and outdent rather than navigating.
// Caution: sing this makes web pages inaccessible to users unable to use a mouse.
isTabIndent: false,
// disableSpellCheck: [const] Boolean
// When true, disables the browser's native spell checking, if supported.
// Works only in Firefox.
disableSpellCheck: false,
postCreate: function(){
if("textarea" == this.domNode.tagName.toLowerCase()){
console.warn("RichText should not be used with the TEXTAREA tag. See dijit._editor.RichText docs.");
}
// Push in the builtin filters now, making them the first executed, but not over-riding anything
// users passed in. See: #6062
this.contentPreFilters = [dojo.hitch(this, "_preFixUrlAttributes")].concat(this.contentPreFilters);
if(dojo.isMoz){
this.contentPreFilters = [this._normalizeFontStyle].concat(this.contentPreFilters);
this.contentPostFilters = [this._removeMozBogus].concat(this.contentPostFilters);
}
if(dojo.isWebKit){
// Try to clean up WebKit bogus artifacts. The inserted classes
// made by WebKit sometimes messes things up.
this.contentPreFilters = [this._removeWebkitBogus].concat(this.contentPreFilters);
this.contentPostFilters = [this._removeWebkitBogus].concat(this.contentPostFilters);
}
if(dojo.isIE){
// IE generates <strong> and <em> but we want to normalize to <b> and <i>
this.contentPostFilters = [this._normalizeFontStyle].concat(this.contentPostFilters);
}
this.inherited(arguments);
dojo.publish(dijit._scopeName + "._editor.RichText::init", [this]);
this.open();
this.setupDefaultShortcuts();
},
setupDefaultShortcuts: function(){
// summary:
// Add some default key handlers
// description:
// Overwrite this to setup your own handlers. The default
// implementation does not use Editor commands, but directly
// executes the builtin commands within the underlying browser
// support.
// tags:
// protected
var exec = dojo.hitch(this, function(cmd, arg){
return function(){
return !this.execCommand(cmd,arg);
};
});
var ctrlKeyHandlers = {
b: exec("bold"),
i: exec("italic"),
u: exec("underline"),
a: exec("selectall"),
s: function(){ this.save(true); },
m: function(){ this.isTabIndent = !this.isTabIndent; },
"1": exec("formatblock", "h1"),
"2": exec("formatblock", "h2"),
"3": exec("formatblock", "h3"),
"4": exec("formatblock", "h4"),
"\\": exec("insertunorderedlist")
};
if(!dojo.isIE){
ctrlKeyHandlers.Z = exec("redo"); //FIXME: undo?
}
for(var key in ctrlKeyHandlers){
this.addKeyHandler(key, true, false, ctrlKeyHandlers[key]);
}
},
// events: [private] String[]
// events which should be connected to the underlying editing area
events: ["onKeyPress", "onKeyDown", "onKeyUp"], // onClick handled specially
// captureEvents: [deprecated] String[]
// Events which should be connected to the underlying editing
// area, events in this array will be addListener with
// capture=true.
// TODO: looking at the code I don't see any distinction between events and captureEvents,
// so get rid of this for 2.0 if not sooner
captureEvents: [],
_editorCommandsLocalized: false,
_localizeEditorCommands: function(){
// summary:
// When IE is running in a non-English locale, the API actually changes,
// so that we have to say (for example) danraku instead of p (for paragraph).
// Handle that here.
// tags:
// private
if(dijit._editor._editorCommandsLocalized){
// Use the already generate cache of mappings.
this._local2NativeFormatNames = dijit._editor._local2NativeFormatNames;
this._native2LocalFormatNames = dijit._editor._native2LocalFormatNames;
return;
}
dijit._editor._editorCommandsLocalized = true;
dijit._editor._local2NativeFormatNames = {};
dijit._editor._native2LocalFormatNames = {};
this._local2NativeFormatNames = dijit._editor._local2NativeFormatNames;
this._native2LocalFormatNames = dijit._editor._native2LocalFormatNames;
//in IE, names for blockformat is locale dependent, so we cache the values here
//put p after div, so if IE returns Normal, we show it as paragraph
//We can distinguish p and div if IE returns Normal, however, in order to detect that,
//we have to call this.document.selection.createRange().parentElement() or such, which
//could slow things down. Leave it as it is for now
var formats = ['div', 'p', 'pre', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'ul', 'address'];
var localhtml = "", format, i=0;
while((format=formats[i++])){
//append a <br> after each element to separate the elements more reliably
if(format.charAt(1) !== 'l'){
localhtml += "<"+format+"><span>content</span></"+format+"><br/>";
}else{
localhtml += "<"+format+"><li>content</li></"+format+"><br/>";
}
}
// queryCommandValue returns empty if we hide editNode, so move it out of screen temporary
// Also, IE9 does weird stuff unless we do it inside the editor iframe.
var style = { position: "absolute", top: "0px", zIndex: 10, opacity: 0.01 };
var div = dojo.create('div', {style: style, innerHTML: localhtml});
dojo.body().appendChild(div);
// IE9 has a timing issue with doing this right after setting
// the inner HTML, so put a delay in.
var inject = dojo.hitch(this, function(){
var node = div.firstChild;
while(node){
try{
dijit._editor.selection.selectElement(node.firstChild);
var nativename = node.tagName.toLowerCase();
this._local2NativeFormatNames[nativename] = document.queryCommandValue("formatblock");
this._native2LocalFormatNames[this._local2NativeFormatNames[nativename]] = nativename;
node = node.nextSibling.nextSibling;
//console.log("Mapped: ", nativename, " to: ", this._local2NativeFormatNames[nativename]);
}catch(e) { /*Sqelch the occasional IE9 error */ }
}
div.parentNode.removeChild(div);
div.innerHTML = "";
});
setTimeout(inject, 0);
},
open: function(/*DomNode?*/ element){
// summary:
// Transforms the node referenced in this.domNode into a rich text editing
// node.
// description:
// Sets up the editing area asynchronously. This will result in
// the creation and replacement with an iframe.
// tags:
// private
if(!this.onLoadDeferred || this.onLoadDeferred.fired >= 0){
this.onLoadDeferred = new dojo.Deferred();
}
if(!this.isClosed){ this.close(); }
dojo.publish(dijit._scopeName + "._editor.RichText::open", [ this ]);
if(arguments.length == 1 && element.nodeName){ // else unchanged
this.domNode = element;
}
var dn = this.domNode;
// "html" will hold the innerHTML of the srcNodeRef and will be used to
// initialize the editor.
var html;
if(dojo.isString(this.value)){
// Allow setting the editor content programmatically instead of
// relying on the initial content being contained within the target
// domNode.
html = this.value;
delete this.value;
dn.innerHTML = "";
}else if(dn.nodeName && dn.nodeName.toLowerCase() == "textarea"){
// if we were created from a textarea, then we need to create a
// new editing harness node.
var ta = (this.textarea = dn);
this.name = ta.name;
html = ta.value;
dn = this.domNode = dojo.doc.createElement("div");
dn.setAttribute('widgetId', this.id);
ta.removeAttribute('widgetId');
dn.cssText = ta.cssText;
dn.className += " " + ta.className;
dojo.place(dn, ta, "before");
var tmpFunc = dojo.hitch(this, function(){
//some browsers refuse to submit display=none textarea, so
//move the textarea off screen instead
dojo.style(ta, {
display: "block",
position: "absolute",
top: "-1000px"
});
if(dojo.isIE){ //nasty IE bug: abnormal formatting if overflow is not hidden
var s = ta.style;
this.__overflow = s.overflow;
s.overflow = "hidden";
}
});
if(dojo.isIE){
setTimeout(tmpFunc, 10);
}else{
tmpFunc();
}
if(ta.form){
var resetValue = ta.value;
this.reset = function(){
var current = this.getValue();
if(current != resetValue){
this.replaceValue(resetValue);
}
};
dojo.connect(ta.form, "onsubmit", this, function(){
// Copy value to the <textarea> so it gets submitted along with form.
// FIXME: should we be calling close() here instead?
dojo.attr(ta, 'disabled', this.disabled); // don't submit the value if disabled
ta.value = this.getValue();
});
}
}else{
html = dijit._editor.getChildrenHtml(dn);
dn.innerHTML = "";
}
var content = dojo.contentBox(dn);
this._oldHeight = content.h;
this._oldWidth = content.w;
this.value = html;
// If we're a list item we have to put in a blank line to force the
// bullet to nicely align at the top of text
if(dn.nodeName && dn.nodeName == "LI"){
dn.innerHTML = " <br>";
}
// Construct the editor div structure.
this.header = dn.ownerDocument.createElement("div");
dn.appendChild(this.header);
this.editingArea = dn.ownerDocument.createElement("div");
dn.appendChild(this.editingArea);
this.footer = dn.ownerDocument.createElement("div");
dn.appendChild(this.footer);
if(!this.name){
this.name = this.id + "_AUTOGEN";
}
// User has pressed back/forward button so we lost the text in the editor, but it's saved
// in a hidden <textarea> (which contains the data for all the editors on this page),
// so get editor value from there
if(this.name !== "" && (!dojo.config["useXDomain"] || dojo.config["allowXdRichTextSave"])){
var saveTextarea = dojo.byId(dijit._scopeName + "._editor.RichText.value");
if(saveTextarea && saveTextarea.value !== ""){
var datas = saveTextarea.value.split(this._SEPARATOR), i=0, dat;
while((dat=datas[i++])){
var data = dat.split(this._NAME_CONTENT_SEP);
if(data[0] == this.name){
html = data[1];
datas = datas.splice(i, 1);
saveTextarea.value = datas.join(this._SEPARATOR);
break;
}
}
}
if(!dijit._editor._globalSaveHandler){
dijit._editor._globalSaveHandler = {};
dojo.addOnUnload(function() {
var id;
for(id in dijit._editor._globalSaveHandler){
var f = dijit._editor._globalSaveHandler[id];
if(dojo.isFunction(f)){
f();
}
}
});
}
dijit._editor._globalSaveHandler[this.id] = dojo.hitch(this, "_saveContent");
}
this.isClosed = false;
var ifr = (this.editorObject = this.iframe = dojo.doc.createElement('iframe'));
ifr.id = this.id+"_iframe";
this._iframeSrc = this._getIframeDocTxt();
ifr.style.border = "none";
ifr.style.width = "100%";
if(this._layoutMode){
// iframe should be 100% height, thus getting it's height from surrounding
// <div> (which has the correct height set by Editor)
ifr.style.height = "100%";
}else{
if(dojo.isIE >= 7){
if(this.height){
ifr.style.height = this.height;
}
if(this.minHeight){
ifr.style.minHeight = this.minHeight;
}
}else{
ifr.style.height = this.height ? this.height : this.minHeight;
}
}
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);
}
}
});
}