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FCKeditor/fckeditor.js
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299
FCKeditor/fckeditor.js
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/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2007 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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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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// 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.BasePath ;
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this.CheckBrowser = true ;
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this.DisplayErrors = true ;
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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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/**
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* This is the default BasePath used by all editor instances.
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*/
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FCKeditor.BasePath = '/fckeditor/' ;
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/**
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* The minimum height used when replacing textareas.
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*/
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FCKeditor.MinHeight = 200 ;
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/**
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* The minimum width used when replacing textareas.
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*/
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FCKeditor.MinWidth = 750 ;
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FCKeditor.prototype.Version = '2.5.1' ;
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FCKeditor.prototype.VersionBuild = '17566' ;
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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 || this._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 || this._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 += encodeURIComponent( o ) + '=' + encodeURIComponent( 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=' + encodeURIComponent( 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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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()
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{
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var textareaToEditor = function( textarea )
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{
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var editor = new FCKeditor( textarea.name ) ;
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editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth ) ;
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editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight ) ;
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return editor ;
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}
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/**
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* Replace all <textarea> elements available in the document with FCKeditor
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* instances.
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*
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* // Replace all <textarea> elements in the page.
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* FCKeditor.ReplaceAllTextareas() ;
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*
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* // Replace all <textarea class="myClassName"> elements in the page.
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* FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
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*
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* // Selectively replace <textarea> elements, based on custom assertions.
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* FCKeditor.ReplaceAllTextareas( function( textarea, editor )
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* {
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* // Custom code to evaluate the replace, returning false if it
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* // must not be done.
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* // It also passes the "editor" parameter, so the developer can
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* // customize the instance.
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* } ) ;
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*/
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FCKeditor.ReplaceAllTextareas = function()
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{
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var textareas = document.getElementsByTagName( 'textarea' ) ;
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for ( var i = 0 ; i < textareas.length ; i++ )
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{
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var editor = null ;
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var textarea = textareas[i] ;
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var name = textarea.name ;
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// The "name" attribute must exist.
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if ( !name || name.length == 0 )
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continue ;
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if ( typeof arguments[0] == 'string' )
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{
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// The textarea class name could be passed as the function
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// parameter.
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var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;
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if ( !classRegex.test( textarea.className ) )
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continue ;
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}
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else if ( typeof arguments[0] == 'function' )
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{
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// An assertion function could be passed as the function parameter.
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// It must explicitly return "false" to ignore a specific <textarea>.
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editor = textareaToEditor( textarea ) ;
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if ( arguments[0]( textarea, editor ) === false )
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continue ;
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}
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if ( !editor )
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editor = textareaToEditor( textarea ) ;
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editor.ReplaceTextarea() ;
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}
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}
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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 5.5+
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if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -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 9.50+
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if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
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return true ;
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// Safari 3+
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if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
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return ( sAgent.match( / applewebkit\/(\d+)/ )[1] >= 522 ) ; // Build must be at least 522 (v3)
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return false ;
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}
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