当前文件路径：DaDaNews/fckeditor/fckeditor.js

		            
  1/**//*
  2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
  3 * Copyright (C) 2003-2007 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/' ;
 38    this.CheckBrowser    = true ;
 39    this.DisplayErrors    = true ;
 40    this.EnableSafari    = false ;        // This is a temporary property, while Safari support is under development.
 41    this.EnableOpera    = false ;        // This is a temporary property, while Opera support is under development.
 42
 43    this.Config            = new Object() ;
 44
 45    // Events
 46    this.OnError        = null ;    // function( source, errorNumber, errorDescription )
 47}
 48
 49FCKeditor.prototype.Version            = '2.4.2' ;
 50FCKeditor.prototype.VersionBuild    = '14978' ;
 51
 52FCKeditor.prototype.Create = function()
 53...{
 54    document.write( this.CreateHtml() ) ;
 55}
 56
 57FCKeditor.prototype.CreateHtml = function()
 58...{
 59    // Check for errors
 60    if ( !this.InstanceName || this.InstanceName.length == 0 )
 61    ...{
 62        this._ThrowError( 701, 'You must specify an instance name.' ) ;
 63        return '' ;
 64    }
 65
 66    var sHtml = '<div>' ;
 67
 68    if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
 69    ...{
 70        sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
 71        sHtml += this._GetConfigHtml() ;
 72        sHtml += this._GetIFrameHtml() ;
 73    }
 74    else
 75    ...{
 76        var sWidth  = this.Width.toString().indexOf('%')  > 0 ? this.Width  : this.Width  + 'px' ;
 77        var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
 78        sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ;
 79    }
 80
 81    sHtml += '</div>' ;
 82
 83    return sHtml ;
 84}
 85
 86FCKeditor.prototype.ReplaceTextarea = function()
 87...{
 88    if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
 89    ...{
 90        // We must check the elements firstly using the Id and then the name.
 91        var oTextarea = document.getElementById( this.InstanceName ) ;
 92        var colElementsByName = document.getElementsByName( this.InstanceName ) ;
 93        var i = 0;
 94        while ( oTextarea || i == 0 )
 95        ...{
 96            if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
 97                break ;
 98            oTextarea = colElementsByName[i++] ;
 99        }
100
101        if ( !oTextarea )
102        ...{
103            alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
104            return ;
105        }
106
107        oTextarea.style.display = 'none' ;
108        this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
109        this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
110    }
111}
112
113FCKeditor.prototype._InsertHtmlBefore = function( html, element )
114...{
115    if ( element.insertAdjacentHTML )    // IE
116        element.insertAdjacentHTML( 'beforeBegin', html ) ;
117    else                                // Gecko
118    ...{
119        var oRange = document.createRange() ;
120        oRange.setStartBefore( element ) ;
121        var oFragment = oRange.createContextualFragment( html );
122        element.parentNode.insertBefore( oFragment, element ) ;
123    }
124}
125
126FCKeditor.prototype._GetConfigHtml = function()
127...{
128    var sConfig = '' ;
129    for ( var o in this.Config )
130    ...{
131        if ( sConfig.length > 0 ) sConfig += '&amp;' ;
132        sConfig += encodeURIComponent( o ) + '=' + encodeURIComponent( this.Config[o] ) ;
133    }
134
135    return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
136}
137
138FCKeditor.prototype._GetIFrameHtml = function()
139...{
140    var sFile = 'fckeditor.html' ;
141
142    try
143    ...{
144        if ( (/fcksource=true/i).test( window.top.location.search ) )
145            sFile = 'fckeditor.original.html' ;
146    }
147    catch (e) ...{ /**//* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
148
149    var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + encodeURIComponent( this.InstanceName ) ;
150    if (this.ToolbarSet) sLink += '&amp;Toolbar=' + this.ToolbarSet ;
151
152    return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ;
153}
154
155FCKeditor.prototype._IsCompatibleBrowser = function()
156...{
157    return FCKeditor_IsCompatibleBrowser( this.EnableSafari, this.EnableOpera ) ;
158}
159
160FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
161...{
162    this.ErrorNumber        = errorNumber ;
163    this.ErrorDescription    = errorDescription ;
164
165    if ( this.DisplayErrors )
166    ...{
167        document.write( '<div style="COLOR: #ff0000">' ) ;
168        document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
169        document.write( '</div>' ) ;
170    }
171
172    if ( typeof( this.OnError ) == 'function' )
173        this.OnError( this, errorNumber, errorDescription ) ;
174}
175
176FCKeditor.prototype._HTMLEncode = function( text )
177...{
178    if ( typeof( text ) != "string" )
179        text = text.toString() ;
180
181    text = text.replace(
182        /&/g, "&amp;").replace(
183        /"/g, "&quot;").replace(
184        /</g, "&lt;").replace(
185        />/g, "&gt;") ;
186
187    return text ;
188}
189
190function FCKeditor_IsCompatibleBrowser( enableSafari, enableOpera )
191{
192    var sAgent = navigator.userAgent.toLowerCase() ;
193
194    // Internet Explorer
195    if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 )
196    {
197        var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
198        return ( sBrowserVersion >= 5.5 ) ;
199    }
200
201    // Gecko (Opera 9 tries to behave like Gecko at this point).
202    if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
203        return true ;
204
205    // Opera
206    if ( enableOpera && navigator.appName == 'Opera' && parseInt( navigator.appVersion, 10 ) >= 9 )
207            return true ;
208
209    // Safari
210    if ( enableSafari && sAgent.indexOf( 'safari' ) != -1 )
211        return ( sAgent.match( /safari\/(\d+)/ )[1] >= 312 ) ;    // Build must be at least 312 (1.3)
212
213    return false ;
214}