fcktools_ie.js
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:6k
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2009 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 ==
- *
- * Utility functions. (IE version).
- */
- FCKTools.CancelEvent = function( e )
- {
- return false ;
- }
- // Appends one or more CSS files to a document.
- FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl )
- {
- return documentElement.createStyleSheet( cssFileUrl ).owningElement ;
- }
- // Appends a CSS style string to a document.
- FCKTools.AppendStyleString = function( documentElement, cssStyles )
- {
- if ( !cssStyles )
- return null ;
- var s = documentElement.createStyleSheet( "" ) ;
- s.cssText = cssStyles ;
- return s ;
- }
- // Removes all attributes and values from the element.
- FCKTools.ClearElementAttributes = function( element )
- {
- element.clearAttributes() ;
- }
- FCKTools.GetAllChildrenIds = function( parentElement )
- {
- var aIds = new Array() ;
- for ( var i = 0 ; i < parentElement.all.length ; i++ )
- {
- var sId = parentElement.all[i].id ;
- if ( sId && sId.length > 0 )
- aIds[ aIds.length ] = sId ;
- }
- return aIds ;
- }
- FCKTools.RemoveOuterTags = function( e )
- {
- e.insertAdjacentHTML( 'beforeBegin', e.innerHTML ) ;
- e.parentNode.removeChild( e ) ;
- }
- FCKTools.CreateXmlObject = function( object )
- {
- var aObjs ;
- switch ( object )
- {
- case 'XmlHttp' :
- // Try the native XMLHttpRequest introduced with IE7.
- if ( document.location.protocol != 'file:' )
- try { return new XMLHttpRequest() ; } catch (e) {}
- aObjs = [ 'MSXML2.XmlHttp', 'Microsoft.XmlHttp' ] ;
- break ;
- case 'DOMDocument' :
- aObjs = [ 'MSXML2.DOMDocument', 'Microsoft.XmlDom' ] ;
- break ;
- }
- for ( var i = 0 ; i < 2 ; i++ )
- {
- try { return new ActiveXObject( aObjs[i] ) ; }
- catch (e)
- {}
- }
- if ( FCKLang.NoActiveX )
- {
- alert( FCKLang.NoActiveX ) ;
- FCKLang.NoActiveX = null ;
- }
- return null ;
- }
- FCKTools.DisableSelection = function( element )
- {
- element.unselectable = 'on' ;
- var e, i = 0 ;
- // The extra () is to avoid a warning with strict error checking. This is ok.
- while ( (e = element.all[ i++ ]) )
- {
- switch ( e.tagName )
- {
- case 'IFRAME' :
- case 'TEXTAREA' :
- case 'INPUT' :
- case 'SELECT' :
- /* Ignore the above tags */
- break ;
- default :
- e.unselectable = 'on' ;
- }
- }
- }
- FCKTools.GetScrollPosition = function( relativeWindow )
- {
- var oDoc = relativeWindow.document ;
- // Try with the doc element.
- var oPos = { X : oDoc.documentElement.scrollLeft, Y : oDoc.documentElement.scrollTop } ;
- if ( oPos.X > 0 || oPos.Y > 0 )
- return oPos ;
- // If no scroll, try with the body.
- return { X : oDoc.body.scrollLeft, Y : oDoc.body.scrollTop } ;
- }
- FCKTools.AddEventListener = function( sourceObject, eventName, listener )
- {
- sourceObject.attachEvent( 'on' + eventName, listener ) ;
- }
- FCKTools.RemoveEventListener = function( sourceObject, eventName, listener )
- {
- sourceObject.detachEvent( 'on' + eventName, listener ) ;
- }
- // Listeners attached with this function cannot be detached.
- FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray )
- {
- // Ok... this is a closures party, but is the only way to make it clean of memory leaks.
- var o = new Object() ;
- o.Source = sourceObject ;
- o.Params = paramsArray || [] ; // Memory leak if we have DOM objects here.
- o.Listener = function( ev )
- {
- return listener.apply( o.Source, [ ev ].concat( o.Params ) ) ;
- }
- if ( FCK.IECleanup )
- FCK.IECleanup.AddItem( null, function() { o.Source = null ; o.Params = null ; } ) ;
- sourceObject.attachEvent( 'on' + eventName, o.Listener ) ;
- sourceObject = null ; // Memory leak cleaner (because of the above closure).
- paramsArray = null ; // Memory leak cleaner (because of the above closure).
- }
- // Returns and object with the "Width" and "Height" properties.
- FCKTools.GetViewPaneSize = function( win )
- {
- var oSizeSource ;
- var oDoc = win.document.documentElement ;
- if ( oDoc && oDoc.clientWidth ) // IE6 Strict Mode
- oSizeSource = oDoc ;
- else
- oSizeSource = win.document.body ; // Other IEs
- if ( oSizeSource )
- return { Width : oSizeSource.clientWidth, Height : oSizeSource.clientHeight } ;
- else
- return { Width : 0, Height : 0 } ;
- }
- FCKTools.SaveStyles = function( element )
- {
- var data = FCKTools.ProtectFormStyles( element ) ;
- var oSavedStyles = new Object() ;
- if ( element.className.length > 0 )
- {
- oSavedStyles.Class = element.className ;
- element.className = '' ;
- }
- var sInlineStyle = element.style.cssText ;
- if ( sInlineStyle.length > 0 )
- {
- oSavedStyles.Inline = sInlineStyle ;
- element.style.cssText = '' ;
- }
- FCKTools.RestoreFormStyles( element, data ) ;
- return oSavedStyles ;
- }
- FCKTools.RestoreStyles = function( element, savedStyles )
- {
- var data = FCKTools.ProtectFormStyles( element ) ;
- element.className = savedStyles.Class || '' ;
- element.style.cssText = savedStyles.Inline || '' ;
- FCKTools.RestoreFormStyles( element, data ) ;
- }
- FCKTools.RegisterDollarFunction = function( targetWindow )
- {
- targetWindow.$ = targetWindow.document.getElementById ;
- }
- FCKTools.AppendElement = function( target, elementName )
- {
- return target.appendChild( this.GetElementDocument( target ).createElement( elementName ) ) ;
- }
- // This function may be used by Regex replacements.
- FCKTools.ToLowerCase = function( strValue )
- {
- return strValue.toLowerCase() ;
- }