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            = '2.6.2' ;
 63FCKeditor.prototype.VersionBuild    = '19417' ;
 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}
329