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FCKeditor/editor/_source/internals/fcktools_gecko.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. (Gecko version).
+ */
+
+FCKTools.CancelEvent = function( e )
+{
+	if ( e )
+		e.preventDefault() ;
+}
+
+FCKTools.DisableSelection = function( element )
+{
+	if ( FCKBrowserInfo.IsGecko )
+		element.style.MozUserSelect	= 'none' ;	// Gecko only.
+	else
+		element.style.userSelect	= 'none' ;	// CSS3 (not supported yet).
+}
+
+// Appends a CSS file to a document.
+FCKTools._AppendStyleSheet = function( documentElement, cssFileUrl )
+{
+	var e = documentElement.createElement( 'LINK' ) ;
+	e.rel	= 'stylesheet' ;
+	e.type	= 'text/css' ;
+	e.href	= cssFileUrl ;
+	documentElement.getElementsByTagName("HEAD")[0].appendChild( e ) ;
+	return e ;
+}
+
+// Appends a CSS style string to a document.
+FCKTools._AppendStyleString = function( documentElement, cssStyles )
+{
+	var e = documentElement.createElement( "STYLE" ) ;
+	e.appendChild( documentElement.createTextNode( cssStyles ) ) ;
+	documentElement.getElementsByTagName( "HEAD" )[0].appendChild( e ) ;
+	return e ;
+}
+
+// Removes all attributes and values from the element.
+FCKTools.ClearElementAttributes = function( element )
+{
+	// Loop throw all attributes in the element
+	for ( var i = 0 ; i < element.attributes.length ; i++ )
+	{
+		// Remove the element by name.
+		element.removeAttribute( element.attributes[i].name, 0 ) ;	// 0 : Case Insensitive
+	}
+}
+
+// Returns an Array of strings with all defined in the elements inside another element.
+FCKTools.GetAllChildrenIds = function( parentElement )
+{
+	// Create the array that will hold all Ids.
+	var aIds = new Array() ;
+
+	// Define a recursive function that search for the Ids.
+	var fGetIds = function( parent )
+	{
+		for ( var i = 0 ; i < parent.childNodes.length ; i++ )
+		{
+			var sId = parent.childNodes[i].id ;
+
+			// Check if the Id is defined for the element.
+			if ( sId && sId.length > 0 ) aIds[ aIds.length ] = sId ;
+
+			// Recursive call.
+			fGetIds( parent.childNodes[i] ) ;
+		}
+	}
+
+	// Start the recursive calls.
+	fGetIds( parentElement ) ;
+
+	return aIds ;
+}
+
+// Replaces a tag with its contents. For example "<span>My <b>tag</b></span>"
+// will be replaced with "My <b>tag</b>".
+FCKTools.RemoveOuterTags = function( e )
+{
+	var oFragment = e.ownerDocument.createDocumentFragment() ;
+
+	for ( var i = 0 ; i < e.childNodes.length ; i++ )
+		oFragment.appendChild( e.childNodes[i].cloneNode(true) ) ;
+
+	e.parentNode.replaceChild( oFragment, e ) ;
+}
+
+FCKTools.CreateXmlObject = function( object )
+{
+	switch ( object )
+	{
+		case 'XmlHttp' :
+			return new XMLHttpRequest() ;
+		case 'DOMDocument' :
+			return document.implementation.createDocument( '', '', null ) ;
+	}
+	return null ;
+}
+
+FCKTools.GetScrollPosition = function( relativeWindow )
+{
+	return { X : relativeWindow.pageXOffset, Y : relativeWindow.pageYOffset } ;
+}
+
+FCKTools.AddEventListener = function( sourceObject, eventName, listener )
+{
+	sourceObject.addEventListener( eventName, listener, false ) ;
+}
+
+FCKTools.RemoveEventListener = function( sourceObject, eventName, listener )
+{
+	sourceObject.removeEventListener( eventName, listener, false ) ;
+}
+
+// Listeners attached with this function cannot be detached.
+FCKTools.AddEventListenerEx = function( sourceObject, eventName, listener, paramsArray )
+{
+	sourceObject.addEventListener(
+		eventName,
+		function( e )
+		{
+			listener.apply( sourceObject, [ e ].concat( paramsArray || [] ) ) ;
+		},
+		false
+	) ;
+}
+
+// Returns and object with the "Width" and "Height" properties.
+FCKTools.GetViewPaneSize = function( win )
+{
+	return { Width : win.innerWidth, Height : win.innerHeight } ;
+}
+
+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.getAttribute( 'style' ) ;
+
+	if ( sInlineStyle && sInlineStyle.length > 0 )
+	{
+		oSavedStyles.Inline = sInlineStyle ;
+		element.setAttribute( 'style', '', 0 ) ;	// 0 : Case Insensitive
+	}
+
+	FCKTools.RestoreFormStyles( element, data ) ;
+	return oSavedStyles ;
+}
+
+FCKTools.RestoreStyles = function( element, savedStyles )
+{
+	var data = FCKTools.ProtectFormStyles( element ) ;
+	element.className = savedStyles.Class || '' ;
+
+	if ( savedStyles.Inline )
+		element.setAttribute( 'style', savedStyles.Inline, 0 ) ;	// 0 : Case Insensitive
+	else
+		element.removeAttribute( 'style', 0 ) ;
+	FCKTools.RestoreFormStyles( element, data ) ;
+}
+
+FCKTools.RegisterDollarFunction = function( targetWindow )
+{
+	targetWindow.$ = function( id )
+	{
+		return this.document.getElementById( id ) ;
+	} ;
+}
+
+FCKTools.AppendElement = function( target, elementName )
+{
+	return target.appendChild( target.ownerDocument.createElement( elementName ) ) ;
+}
+
+// Get the coordinates of an element.
+//		@el : The element to get the position.
+//		@relativeWindow: The window to which we want the coordinates relative to.
+FCKTools.GetElementPosition = function( el, relativeWindow )
+{
+	// Initializes the Coordinates object that will be returned by the function.
+	var c = { X:0, Y:0 } ;
+
+	var oWindow = relativeWindow || window ;
+
+	var oOwnerWindow = FCKTools.GetElementWindow( el ) ;
+
+	var previousElement = null ;
+	// Loop throw the offset chain.
+	while ( el )
+	{
+		var sPosition = oOwnerWindow.getComputedStyle(el, '').position ;
+
+		// Check for non "static" elements.
+		// 'FCKConfig.FloatingPanelsZIndex' -- Submenus are under a positioned IFRAME.
+		if ( sPosition && sPosition != 'static' && el.style.zIndex != FCKConfig.FloatingPanelsZIndex )
+			break ;
+
+		/*
+		FCKDebug.Output( el.tagName + ":" + "offset=" + el.offsetLeft + "," + el.offsetTop + "  " 
+				+ "scroll=" + el.scrollLeft + "," + el.scrollTop ) ;
+		*/
+
+		c.X += el.offsetLeft - el.scrollLeft ;
+		c.Y += el.offsetTop - el.scrollTop  ;
+
+		// Backtrack due to offsetParent's calculation by the browser ignores scrollLeft and scrollTop.
+		// Backtracking is not needed for Opera
+		if ( ! FCKBrowserInfo.IsOpera )
+		{
+			var scrollElement = previousElement ;
+			while ( scrollElement && scrollElement != el )
+			{
+				c.X -= scrollElement.scrollLeft ;
+				c.Y -= scrollElement.scrollTop ;
+				scrollElement = scrollElement.parentNode ;
+			}
+		}
+
+		previousElement = el ;
+		if ( el.offsetParent )
+			el = el.offsetParent ;
+		else
+		{
+			if ( oOwnerWindow != oWindow )
+			{
+				el = oOwnerWindow.frameElement ;
+				previousElement = null ;
+				if ( el )
+					oOwnerWindow = FCKTools.GetElementWindow( el ) ;
+			}
+			else
+			{
+				c.X += el.scrollLeft ;
+				c.Y += el.scrollTop  ;
+				break ;
+			}
+		}
+	}
+
+	// Return the Coordinates object
+	return c ;
+}