https://www.07358.com/js/fckeditor.js

1/*
2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
3 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
4 *
5 * == BEGIN LICENSE ==
6 *
7 * Licensed under the terms of any of the following licenses at your
8 * choice:
9 *
10 *  - GNU General Public License Version 2 or later (the "GPL")
11 *    http://www.gnu.org/licenses/gpl.html
12 *
13 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
14 *    http://www.gnu.org/licenses/lgpl.html
15 *
16 *  - Mozilla Public License Version 1.1 or later (the "MPL")
17 *    http://www.mozilla.org/MPL/MPL-1.1.html
18 *
19 * == END LICENSE ==
20 *
21 * This is the integration file for JavaScript.
22 *
23 * It defines the FCKeditor class that can be used to create editor
24 * instances in a HTML page in the client side. For server side
25 * operations, use the specific integration system.
26 */
27
28// FCKeditor Class
29var FCKeditor = function( instanceName, width, height, toolbarSet, value )
30{
31	// Properties
32	this.InstanceName	= instanceName ;
33	this.Width			= width			|| '100%' ;
34	this.Height			= height		|| '200' ;
35	this.ToolbarSet		= toolbarSet	|| 'Default' ;
36	this.Value			= value			|| '' ;
37	this.BasePath		= FCKeditor.BasePath ;
38	this.CheckBrowser	= true ;
39	this.DisplayErrors	= true ;
40
41	this.Config			= new Object() ;
42
43	// Events
44	this.OnError		= null ;	// function( source, errorNumber, errorDescription )
45}
46
47/**
48 * This is the default BasePath used by all editor instances.
49 */
50FCKeditor.BasePath = '/fckeditor/' ;
51
52/**
53 * The minimum height used when replacing textareas.
54 */
55FCKeditor.MinHeight = 200 ;
56
57/**
58 * The minimum width used when replacing textareas.
59 */
60FCKeditor.MinWidth = 750 ;
61
62FCKeditor.prototype.Version			= '2.6.3' ;
63FCKeditor.prototype.VersionBuild	= '19836' ;
64
65FCKeditor.prototype.Create = function()
66{
67	document.write( this.CreateHtml() ) ;
68}
69
70FCKeditor.prototype.CreateHtml = function()
71{
72	// Check for errors
73	if ( !this.InstanceName || this.InstanceName.length == 0 )
74	{
75		this._ThrowError( 701, 'You must specify an instance name.' ) ;
76		return '' ;
77	}
78
79	var sHtml = '' ;
80
81	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
82	{
83		sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
84		sHtml += this._GetConfigHtml() ;
85		sHtml += this._GetIFrameHtml() ;
86	}
87	else
88	{
89		var sWidth  = this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;
90		var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
91
92		sHtml += '<textarea name="' + this.InstanceName +
93			'" rows="4" cols="40" style="width:' + sWidth +
94			';height:' + sHeight ;
95
96		if ( this.TabIndex )
97			sHtml += '" tabindex="' + this.TabIndex ;
98
99		sHtml += '">' +
100			this._HTMLEncode( this.Value ) +
101			'<\/textarea>' ;
102	}
103
104	return sHtml ;
105}
106
107FCKeditor.prototype.ReplaceTextarea = function()
108{
109	if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
110	{
111		// We must check the elements firstly using the Id and then the name.
112		var oTextarea = document.getElementById( this.InstanceName ) ;
113		var colElementsByName = document.getElementsByName( this.InstanceName ) ;
114		var i = 0;
115		while ( oTextarea || i == 0 )
116		{
117			if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
118				break ;
119			oTextarea = colElementsByName[i++] ;
120		}
121
122		if ( !oTextarea )
123		{
124			alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
125			return ;
126		}
127
128		oTextarea.style.display = 'none' ;
129
130		if ( oTextarea.tabIndex )
131			this.TabIndex = oTextarea.tabIndex ;
132
133		this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
134		this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
135	}
136}
137
138FCKeditor.prototype._InsertHtmlBefore = function( html, element )
139{
140	if ( element.insertAdjacentHTML )	// IE
141		element.insertAdjacentHTML( 'beforeBegin', html ) ;
142	else								// Gecko
143	{
144		var oRange = document.createRange() ;
145		oRange.setStartBefore( element ) ;
146		var oFragment = oRange.createContextualFragment( html );
147		element.parentNode.insertBefore( oFragment, element ) ;
148	}
149}
150
151FCKeditor.prototype._GetConfigHtml = function()
152{
153	var sConfig = '' ;
154	for ( var o in this.Config )
155	{
156		if ( sConfig.length > 0 ) sConfig += '&amp;' ;
157		sConfig += encodeURIComponent( o ) + '=' + encodeURIComponent( this.Config[o] ) ;
158	}
159
160	return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
161}
162
163FCKeditor.prototype._GetIFrameHtml = function()
164{
165	var sFile = 'fckeditor.html' ;
166
167	try
168	{
169		if ( (/fcksource=true/i).test( window.top.location.search ) )
170			sFile = 'fckeditor.original.html' ;
171	}
172	catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
173
174	var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + encodeURIComponent( this.InstanceName ) ;
175	if (this.ToolbarSet)
176		sLink += '&amp;Toolbar=' + this.ToolbarSet ;
177
178	html = '<iframe id="' + this.InstanceName +
179		'___Frame" src="' + sLink +
180		'" width="' + this.Width +
181		'" height="' + this.Height ;
182
183	if ( this.TabIndex )
184		html += '" tabindex="' + this.TabIndex ;
185
186	html += '" frameborder="0" scrolling="no"></iframe>' ;
187
188	return html ;
189}
190
191FCKeditor.prototype._IsCompatibleBrowser = function()
192{
193	return FCKeditor_IsCompatibleBrowser() ;
194}
195
196FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
197{
198	this.ErrorNumber		= errorNumber ;
199	this.ErrorDescription	= errorDescription ;
200
201	if ( this.DisplayErrors )
202	{
203		document.write( '<div style="COLOR: #ff0000">' ) ;
204		document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
205		document.write( '</div>' ) ;
206	}
207
208	if ( typeof( this.OnError ) == 'function' )
209		this.OnError( this, errorNumber, errorDescription ) ;
210}
211
212FCKeditor.prototype._HTMLEncode = function( text )
213{
214	if ( typeof( text ) != "string" )
215		text = text.toString() ;
216
217	text = text.replace(
218		/&/g, "&amp;").replace(
219		/"/g, "&quot;").replace(
220		/</g, "&lt;").replace(
221		/>/g, "&gt;") ;
222
223	return text ;
224}
225
226;(function()
227{
228	var textareaToEditor = function( textarea )
229	{
230		var editor = new FCKeditor( textarea.name ) ;
231
232		editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth ) ;
233		editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight ) ;
234
235		return editor ;
236	}
237
238	/**
239	 * Replace all <textarea> elements available in the document with FCKeditor
240	 * instances.
241	 *
242	 *	// Replace all <textarea> elements in the page.
243	 *	FCKeditor.ReplaceAllTextareas() ;
244	 *
245	 *	// Replace all <textarea class="myClassName"> elements in the page.
246	 *	FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
247	 *

248	 *	// Selectively replace <textarea> elements, based on custom assertions.
249	 *	FCKeditor.ReplaceAllTextareas( function( textarea, editor )
250	 *		{
251	 *			// Custom code to evaluate the replace, returning false if it
252	 *			// must not be done.
253	 *			// It also passes the "editor" parameter, so the developer can
254	 *			// customize the instance.
255	 *		} ) ;
256	 */
257	FCKeditor.ReplaceAllTextareas = function()
258	{
259		var textareas = document.getElementsByTagName( 'textarea' ) ;
260
261		for ( var i = 0 ; i < textareas.length ; i++ )
262		{
263			var editor = null ;
264			var textarea = textareas[i] ;
265			var name = textarea.name ;
266
267			// The "name" attribute must exist.
268			if ( !name || name.length == 0 )
269				continue ;
270
271			if ( typeof arguments[0] == 'string' )
272			{
273				// The textarea class name could be passed as the function
274				// parameter.
275
276				var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;
277
278				if ( !classRegex.test( textarea.className ) )
279					continue ;
280			}
281			else if ( typeof arguments[0] == 'function' )
282			{
283				// An assertion function could be passed as the function parameter.
284				// It must explicitly return "false" to ignore a specific <textarea>.
285				editor = textareaToEditor( textarea ) ;
286				if ( arguments[0]( textarea, editor ) === false )
287					continue ;
288			}
289
290			if ( !editor )
291				editor = textareaToEditor( textarea ) ;
292
293			editor.ReplaceTextarea() ;
294		}
295	}
296})() ;
297
298function FCKeditor_IsCompatibleBrowser()
299{
300	var sAgent = navigator.userAgent.toLowerCase() ;
301
302	// Internet Explorer 5.5+
303	if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -1 )
304	{
305		var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
306		return ( sBrowserVersion >= 5.5 ) ;
307	}
308
309	// Gecko (Opera 9 tries to behave like Gecko at this point).
310	if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
311		return true ;
312
313	// Opera 9.50+
314	if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
315		return true ;
316
317	// Adobe AIR
318	// Checked before Safari because AIR have the WebKit rich text editor
319	// features from Safari 3.0.4, but the version reported is 420.
320	if ( sAgent.indexOf( ' adobeair/' ) != -1 )
321		return ( sAgent.match( / adobeair\/(\d+)/ )[1] >= 1 ) ;	// Build must be at least v1
322
323	// Safari 3+
324	if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
325		return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 ) ;	// Build must be at least 522 (v3)
326
327	return false ;
328}