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/* * FCKeditor - The text editor for Internet - http://www.fckeditor.net * Copyright (C) 2003-2010 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() ; }