fckeditor.js
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上传日期:2019-10-14
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文件大小:9k
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2008 Frederico Caldeira Knabben
- *
- * == BEGIN LICENSE ==
- *
- * Licensed under the terms of any of the following licenses at your
- * choice:
- *
- * - GNU General Public License Version 2 or later (the "GPL")
- * http://www.gnu.org/licenses/gpl.html
- *
- * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
- * http://www.gnu.org/licenses/lgpl.html
- *
- * - Mozilla Public License Version 1.1 or later (the "MPL")
- * http://www.mozilla.org/MPL/MPL-1.1.html
- *
- * == END LICENSE ==
- *
- * This is the integration file for JavaScript.
- *
- * It defines the FCKeditor class that can be used to create editor
- * instances in a HTML page in the client side. For server side
- * operations, use the specific integration system.
- */
- // FCKeditor Class
- var FCKeditor = function( instanceName, width, height, toolbarSet, value )
- {
- // Properties
- this.InstanceName = instanceName ;
- this.Width = width || '100%' ;
- this.Height = height || '200' ;
- this.ToolbarSet = toolbarSet || 'Default' ;
- this.Value = value || '' ;
- this.BasePath = FCKeditor.BasePath ;
- this.CheckBrowser = true ;
- this.DisplayErrors = true ;
- this.Config = new Object() ;
- // Events
- this.OnError = null ; // function( source, errorNumber, errorDescription )
- }
- /**
- * This is the default BasePath used by all editor instances.
- */
- FCKeditor.BasePath = '/fckeditor/' ;
- /**
- * The minimum height used when replacing textareas.
- */
- FCKeditor.MinHeight = 200 ;
- /**
- * The minimum width used when replacing textareas.
- */
- FCKeditor.MinWidth = 750 ;
- FCKeditor.prototype.Version = '2.6' ;
- FCKeditor.prototype.VersionBuild = '18638' ;
- FCKeditor.prototype.Create = function()
- {
- document.write( this.CreateHtml() ) ;
- }
- FCKeditor.prototype.CreateHtml = function()
- {
- // Check for errors
- if ( !this.InstanceName || this.InstanceName.length == 0 )
- {
- this._ThrowError( 701, 'You must specify an instance name.' ) ;
- return '' ;
- }
- var sHtml = '' ;
- if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
- {
- sHtml += '<input type="hidden" id="' + this.InstanceName + '" name="' + this.InstanceName + '" value="' + this._HTMLEncode( this.Value ) + '" style="display:none" />' ;
- sHtml += this._GetConfigHtml() ;
- sHtml += this._GetIFrameHtml() ;
- }
- else
- {
- var sWidth = this.Width.toString().indexOf('%') > 0 ? this.Width : this.Width + 'px' ;
- var sHeight = this.Height.toString().indexOf('%') > 0 ? this.Height : this.Height + 'px' ;
- sHtml += '<textarea name="' + this.InstanceName + '" rows="4" cols="40" style="width:' + sWidth + ';height:' + sHeight + '">' + this._HTMLEncode( this.Value ) + '</textarea>' ;
- }
- return sHtml ;
- }
- FCKeditor.prototype.ReplaceTextarea = function()
- {
- if ( !this.CheckBrowser || this._IsCompatibleBrowser() )
- {
- // We must check the elements firstly using the Id and then the name.
- var oTextarea = document.getElementById( this.InstanceName ) ;
- var colElementsByName = document.getElementsByName( this.InstanceName ) ;
- var i = 0;
- while ( oTextarea || i == 0 )
- {
- if ( oTextarea && oTextarea.tagName.toLowerCase() == 'textarea' )
- break ;
- oTextarea = colElementsByName[i++] ;
- }
- if ( !oTextarea )
- {
- alert( 'Error: The TEXTAREA with id or name set to "' + this.InstanceName + '" was not found' ) ;
- return ;
- }
- oTextarea.style.display = 'none' ;
- this._InsertHtmlBefore( this._GetConfigHtml(), oTextarea ) ;
- this._InsertHtmlBefore( this._GetIFrameHtml(), oTextarea ) ;
- }
- }
- FCKeditor.prototype._InsertHtmlBefore = function( html, element )
- {
- if ( element.insertAdjacentHTML ) // IE
- element.insertAdjacentHTML( 'beforeBegin', html ) ;
- else // Gecko
- {
- var oRange = document.createRange() ;
- oRange.setStartBefore( element ) ;
- var oFragment = oRange.createContextualFragment( html );
- element.parentNode.insertBefore( oFragment, element ) ;
- }
- }
- FCKeditor.prototype._GetConfigHtml = function()
- {
- var sConfig = '' ;
- for ( var o in this.Config )
- {
- if ( sConfig.length > 0 ) sConfig += '&' ;
- sConfig += encodeURIComponent( o ) + '=' + encodeURIComponent( this.Config[o] ) ;
- }
- return '<input type="hidden" id="' + this.InstanceName + '___Config" value="' + sConfig + '" style="display:none" />' ;
- }
- FCKeditor.prototype._GetIFrameHtml = function()
- {
- var sFile = 'fckeditor.html' ;
- try
- {
- if ( (/fcksource=true/i).test( window.top.location.search ) )
- sFile = 'fckeditor.original.html' ;
- }
- catch (e) { /* Ignore it. Much probably we are inside a FRAME where the "top" is in another domain (security error). */ }
- var sLink = this.BasePath + 'editor/' + sFile + '?InstanceName=' + encodeURIComponent( this.InstanceName ) ;
- if (this.ToolbarSet) sLink += '&Toolbar=' + this.ToolbarSet ;
- return '<iframe id="' + this.InstanceName + '___Frame" src="' + sLink + '" width="' + this.Width + '" height="' + this.Height + '" frameborder="0" scrolling="no"></iframe>' ;
- }
- FCKeditor.prototype._IsCompatibleBrowser = function()
- {
- return FCKeditor_IsCompatibleBrowser() ;
- }
- FCKeditor.prototype._ThrowError = function( errorNumber, errorDescription )
- {
- this.ErrorNumber = errorNumber ;
- this.ErrorDescription = errorDescription ;
- if ( this.DisplayErrors )
- {
- document.write( '<div style="COLOR: #ff0000">' ) ;
- document.write( '[ FCKeditor Error ' + this.ErrorNumber + ': ' + this.ErrorDescription + ' ]' ) ;
- document.write( '</div>' ) ;
- }
- if ( typeof( this.OnError ) == 'function' )
- this.OnError( this, errorNumber, errorDescription ) ;
- }
- FCKeditor.prototype._HTMLEncode = function( text )
- {
- if ( typeof( text ) != "string" )
- text = text.toString() ;
- text = text.replace(
- /&/g, "&").replace(
- /"/g, """).replace(
- /</g, "<").replace(
- />/g, ">") ;
- return text ;
- }
- ;(function()
- {
- var textareaToEditor = function( textarea )
- {
- var editor = new FCKeditor( textarea.name ) ;
- editor.Width = Math.max( textarea.offsetWidth, FCKeditor.MinWidth ) ;
- editor.Height = Math.max( textarea.offsetHeight, FCKeditor.MinHeight ) ;
- return editor ;
- }
- /**
- * Replace all <textarea> elements available in the document with FCKeditor
- * instances.
- *
- * // Replace all <textarea> elements in the page.
- * FCKeditor.ReplaceAllTextareas() ;
- *
- * // Replace all <textarea class="myClassName"> elements in the page.
- * FCKeditor.ReplaceAllTextareas( 'myClassName' ) ;
- *
- * // Selectively replace <textarea> elements, based on custom assertions.
- * FCKeditor.ReplaceAllTextareas( function( textarea, editor )
- * {
- * // Custom code to evaluate the replace, returning false if it
- * // must not be done.
- * // It also passes the "editor" parameter, so the developer can
- * // customize the instance.
- * } ) ;
- */
- FCKeditor.ReplaceAllTextareas = function()
- {
- var textareas = document.getElementsByTagName( 'textarea' ) ;
- for ( var i = 0 ; i < textareas.length ; i++ )
- {
- var editor = null ;
- var textarea = textareas[i] ;
- var name = textarea.name ;
- // The "name" attribute must exist.
- if ( !name || name.length == 0 )
- continue ;
- if ( typeof arguments[0] == 'string' )
- {
- // The textarea class name could be passed as the function
- // parameter.
- var classRegex = new RegExp( '(?:^| )' + arguments[0] + '(?:$| )' ) ;
- if ( !classRegex.test( textarea.className ) )
- continue ;
- }
- else if ( typeof arguments[0] == 'function' )
- {
- // An assertion function could be passed as the function parameter.
- // It must explicitly return "false" to ignore a specific <textarea>.
- editor = textareaToEditor( textarea ) ;
- if ( arguments[0]( textarea, editor ) === false )
- continue ;
- }
- if ( !editor )
- editor = textareaToEditor( textarea ) ;
- editor.ReplaceTextarea() ;
- }
- }
- })() ;
- function FCKeditor_IsCompatibleBrowser()
- {
- var sAgent = navigator.userAgent.toLowerCase() ;
- // Internet Explorer 5.5+
- if ( /*@cc_on!@*/false && sAgent.indexOf("mac") == -1 )
- {
- var sBrowserVersion = navigator.appVersion.match(/MSIE (...)/)[1] ;
- return ( sBrowserVersion >= 5.5 ) ;
- }
- // Gecko (Opera 9 tries to behave like Gecko at this point).
- if ( navigator.product == "Gecko" && navigator.productSub >= 20030210 && !( typeof(opera) == 'object' && opera.postError ) )
- return true ;
- // Opera 9.50+
- if ( window.opera && window.opera.version && parseFloat( window.opera.version() ) >= 9.5 )
- return true ;
- // Adobe AIR
- // Checked before Safari because AIR have the WebKit rich text editor
- // features from Safari 3.0.4, but the version reported is 420.
- if ( sAgent.indexOf( ' adobeair/' ) != -1 )
- return ( sAgent.match( / adobeair/(d+)/ )[1] >= 1 ) ; // Build must be at least v1
- // Safari 3+
- if ( sAgent.indexOf( ' applewebkit/' ) != -1 )
- return ( sAgent.match( / applewebkit/(d+)/ )[1] >= 522 ) ; // Build must be at least 522 (v3)
- return false ;
- }