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FCKeditor/editor/_source/internals/fcktools_ie.js

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+/*
+ * FCKeditor - The text editor for Internet - http://www.fckeditor.net
+ * Copyright (C) 2003-2007 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 )
+{
+	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' :
+			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() ;
+}