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' ;
 63FCKeditor.prototype.VersionBuild    = '18638' ;
 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        sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ;
 92    }
 93
 94    return sHtml ;
 95}
 96
 97FCKeditor.prototype.ReplaceTextarea = function()
 98...{
 99    if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
100    ...{
101        // We must check the elements firstly using the Id and then the name.
102        var oTextarea = document.getElementById( this.InstanceName ) ;
103        var colElementsByName = document.getElementsByName( this.InstanceName ) ;
104        var i = 0;
105        while ( oTextarea || i == 0 )
106        ...{
107            if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
108                break ;
109            oTextarea = colElementsByName[i++] ;
110        }
111
112        if ( !oTextarea )
113        ...{
114            alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
115            return ;
116        }
117
118        oTextarea.style.display = 'none' ;
119        this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
120        this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
121    }
122}
123
124FCKeditor.prototype._InsertHtmlBefore = function( html, element )
125...{
126    if ( element.insertAdjacentHTML )    // IE
127        element.insertAdjacentHTML( 'beforeBegin', html ) ;
128    else                                // Gecko
129    ...{
130        var oRange = document.createRange() ;
131        oRange.setStartBefore( element ) ;
132        var oFragment = oRange.createContextualFragment( html );
133        element.parentNode.insertBefore( oFragment, element ) ;
134    }
135}
136
137FCKeditor.prototype._GetConfigHtml = function()
138...{
139    var sConfig = '' ;
140    for ( var o in this.Config )
141    ...{
142        if ( sConfig.length > 0 ) sConfig += '&amp;' ;
143        sConfig += encodeURIComponent( o ) + '=' + encodeURIComponent( this.Config[o] ) ;
144    }
145
146    return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
147}
148
149FCKeditor.prototype._GetIFrameHtml = function()
150...{
151    var sFile = 'fckeditor.html' ;
152
153    try
154    ...{
155        if ( (/fcksource=true/i).test( window.top.location.search ) )
156            sFile = 'fckeditor.original.html' ;
157    }
158    catch (e) ...{ /**//* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
159
160    var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + encodeURIComponent( this.InstanceName ) ;
161    if (this.ToolbarSet) sLink += '&amp;Toolbar=' + this.ToolbarSet ;
162
163    return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ;
164}
165
166FCKeditor.prototype._IsCompatibleBrowser = function()
167...{
168    return FCKeditor_IsCompatibleBrowser() ;
169}
170
171FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
172...{
173    this.ErrorNumber        = errorNumber ;
174    this.ErrorDescription    = errorDescription ;
175
176    if ( this.DisplayErrors )
177    ...{
178        document.write( '<div style="COLOR: #ff0000">' ) ;
179        document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
180        document.write( '</div>' ) ;
181    }
182
183    if ( typeof( this.OnError ) == 'function' )
184        this.OnError( this, errorNumber, errorDescription ) ;
185}
186
187FCKeditor.prototype._HTMLEncode = function( text )
188...{
189    if ( typeof( text ) != "string" )
190        text = text.toString() ;
191
192    text = text.replace(
193        /&/g, "&amp;").replace(
194        /"/g, "&quot;").replace(
195        /</g, "&lt;").replace(
196        />/g, "&gt;") ;
197
198    return text ;
199}
200
201;(function()
202{
203    var textareaToEditor = function( textarea )
204    {
205        var editor = new FCKeditor( textarea.name ) ;
206
207        editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth ) ;
208        editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight ) ;
209
210        return editor ;
211    }
212
213    /**
214     * Replace all <textarea> elements available in the document with FCKeditor
215     * instances.
216     *
217     *    // Replace all <textarea> elements in the page.
218     *    FCKeditor.ReplaceAllTextareas() ;
219     *
220     *    // Replace all <textarea class="myClassName"> elements in the page.
221     *    FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
222     *
223     *    // Selectively replace <textarea> elements, based on custom assertions.
224     *    FCKeditor.ReplaceAllTextareas( function( textarea, editor )
225     *        {
226     *            // Custom code to evaluate the replace, returning false if it
227     *            // must not be done.
228     *            // It also passes the "editor" parameter, so the developer can
229     *            // customize the instance.
230     *        } ) ;
231     */
232    FCKeditor.ReplaceAllTextareas = function()
233    {
234        var textareas = document.getElementsByTagName( 'textarea' ) ;
235
236        for ( var i = 0 ; i < textareas.length ; i++ )
237        {
238            var editor = null ;
239            var textarea = textareas[i] ;
240            var name = textarea.name ;
241
242            // The "name" attribute must exist.
243            if ( !name || name.length == 0 )
244                continue ;
245
246            if ( typeof arguments[0] == 'string' )
247            {
248                // The textarea class name could be passed as the function
249                // parameter.
250
251                var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;
252
253                if ( !classRegex.test( textarea.className ) )
254                    continue ;
255            }
256            else if ( typeof arguments[0] == 'function' )
257            {
258                // An assertion function could be passed as the function parameter.
259                // It must explicitly return "false" to ignore a specific <textarea>.
260                editor = textareaToEditor( textarea ) ;
261                if ( arguments[0]( textarea, editor ) === false )
262                    continue ;
263            }
264
265            if ( !editor )
266                editor = textareaToEditor( textarea ) ;
267
268            editor.ReplaceTextarea() ;
269        }
270    }
271})() ;
272
273function FCKeditor_IsCompatibleBrowser()
274{
275    var sAgent = navigator.userAgent.toLowerCase() ;
276
277    // Internet Explorer 5.5+
278    if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -1 )
279    {
280        var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
281        return ( sBrowserVersion >= 5.5 ) ;
282    }
283
284    // Gecko (Opera 9 tries to behave like Gecko at this point).
285    if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
286        return true ;
287
288    // Opera 9.50+
289    if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
290        return true ;
291
292    // Adobe AIR
293    // Checked before Safari because AIR have the WebKit rich text editor
294    // features from Safari 3.0.4, but the version reported is 420.
295    if ( sAgent.indexOf( ' adobeair/' ) != -1 )
296        return ( sAgent.match( / adobeair\/(\d+)/ )[1] >= 1 ) ;    // Build must be at least v1
297
298    // Safari 3+
299    if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
300        return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 ) ;    // Build must be at least 522 (v3)
301
302    return false ;
303}
304