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admin/FCKeditor/fckeditor.js
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211
admin/FCKeditor/fckeditor.js
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/*
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* FCKeditor - The text editor for internet
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* Copyright (C) 2003-2006 Frederico Caldeira Knabben
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*
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* Licensed under the terms of the GNU Lesser General Public License:
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* http://www.opensource.org/licenses/lgpl-license.php
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*
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* For further information visit:
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* http://www.fckeditor.net/
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*
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* "Support Open Source software. What about a donation today?"
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*
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* File Name: fckeditor.js
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* This is the integration file for JavaScript.
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*
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* It defines the FCKeditor class that can be used to create editor
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* instances in a HTML page in the client side. For server side
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* operations, use the specific integration system.
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*
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* File Authors:
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* Frederico Caldeira Knabben (fredck@fckeditor.net)
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*/
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// FCKeditor Class
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var FCKeditor = function( instanceName, width, height, toolbarSet, value )
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{
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// Properties
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this.InstanceName = instanceName ;
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this.Width = width || '100%' ;
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this.Height = height || '200' ;
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this.ToolbarSet = toolbarSet || 'Default' ;
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this.Value = value || '' ;
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this.BasePath = '/fckeditor/' ;
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this.CheckBrowser = true ;
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this.DisplayErrors = true ;
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this.EnableSafari = false ; // This is a temporary property, while Safari support is under development.
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this.EnableOpera = false ; // This is a temporary property, while Opera support is under development.
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this.Config = new Object() ;
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// Events
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this.OnError = null ; // function( source, errorNumber, errorDescription )
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}
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FCKeditor.prototype.Version = '2.3.2' ;
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FCKeditor.prototype.VersionBuild = '1082' ;
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FCKeditor.prototype.Create = function()
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{
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document.write( this.CreateHtml() ) ;
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}
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FCKeditor.prototype.CreateHtml = function()
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{
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// Check for errors
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if ( !this.InstanceName || this.InstanceName.length == 0 )
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{
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this._ThrowError( 701, 'You must specify an instance name.' ) ;
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return ;
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}
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var sHtml = '<div>' ;
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if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() )
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{
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sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
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sHtml += this._GetConfigHtml() ;
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sHtml += this._GetIFrameHtml() ;
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}
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else
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{
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var sWidth = this.Width.toString().indexOf('%') > 0 ? this.Width : this.Width + 'px' ;
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var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
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sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '<\/textarea>' ;
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}
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sHtml += '</div>' ;
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return sHtml ;
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}
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FCKeditor.prototype.ReplaceTextarea = function()
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{
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if ( !this.CheckBrowser || FCKeditor_IsCompatibleBrowser() )
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{
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// We must check the elements firstly using the Id and then the name.
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var oTextarea = document.getElementById( this.InstanceName ) ;
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var colElementsByName = document.getElementsByName( this.InstanceName ) ;
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var i = 0;
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while ( oTextarea || i == 0 )
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{
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if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
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break ;
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oTextarea = colElementsByName[i++] ;
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}
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if ( !oTextarea )
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{
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alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
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return ;
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}
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oTextarea.style.display = 'none' ;
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this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
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this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
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}
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}
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FCKeditor.prototype._InsertHtmlBefore = function( html, element )
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{
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if ( element.insertAdjacentHTML ) // IE
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element.insertAdjacentHTML( 'beforeBegin', html ) ;
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else // Gecko
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{
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var oRange = document.createRange() ;
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oRange.setStartBefore( element ) ;
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var oFragment = oRange.createContextualFragment( html );
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element.parentNode.insertBefore( oFragment, element ) ;
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}
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}
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FCKeditor.prototype._GetConfigHtml = function()
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{
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var sConfig = '' ;
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for ( var o in this.Config )
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{
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if ( sConfig.length > 0 ) sConfig += '&' ;
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sConfig += escape(o) + '=' + escape( this.Config[o] ) ;
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}
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return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
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}
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FCKeditor.prototype._GetIFrameHtml = function()
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{
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var sFile = 'fckeditor.html' ;
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try
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{
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if ( (/fcksource=true/i).test( window.top.location.search ) )
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sFile = 'fckeditor.original.html' ;
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}
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catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
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var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + this.InstanceName ;
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if (this.ToolbarSet) sLink += '&Toolbar=' + this.ToolbarSet ;
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return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ;
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}
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// Deprecated (to be removed in the 3.0).
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FCKeditor.prototype._IsCompatibleBrowser = function()
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{
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return FCKeditor_IsCompatibleBrowser() ;
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}
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FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
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{
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this.ErrorNumber = errorNumber ;
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this.ErrorDescription = errorDescription ;
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if ( this.DisplayErrors )
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{
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document.write( '<div style="COLOR: #ff0000">' ) ;
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document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
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document.write( '</div>' ) ;
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}
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if ( typeof( this.OnError ) == 'function' )
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this.OnError( this, errorNumber, errorDescription ) ;
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}
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FCKeditor.prototype._HTMLEncode = function( text )
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{
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if ( typeof( text ) != "string" )
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text = text.toString() ;
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text = text.replace(
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/&/g, "&").replace(
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/"/g, """).replace(
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/</g, "<").replace(
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/>/g, ">") ;
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return text ;
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}
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function FCKeditor_IsCompatibleBrowser()
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{
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var sAgent = navigator.userAgent.toLowerCase() ;
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// Internet Explorer
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if ( sAgent.indexOf("msie") != -1 && sAgent.indexOf("mac") == -1 && sAgent.indexOf("opera") == -1 )
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{
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var sBrowserVersion = navigator.appVersion.match(/MSIE (.\..)/)[1] ;
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return ( sBrowserVersion >= 5.5 ) ;
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}
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// Gecko (Opera 9 tries to behave like Gecko at this point).
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if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
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return true ;
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// Opera
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if ( this.EnableOpera && navigator.appName == 'Opera' && parseInt( navigator.appVersion ) >= 9 )
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return true ;
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// Safari
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if ( this.EnableSafari && sAgent.indexOf( 'safari' ) != -1 )
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return ( sAgent.match( /safari\/(\d+)/ )[1] >= 312 ) ; // Build must be at least 312 (1.3)
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return false ;
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}
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