Bug 187178 Remove Total.* from expression build
The Total java script object is no longer supported by BIRT. It should be removed from Expression builder.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dialogs/ExpressionTreeSupport.java
* 
	 * Listen to JS editor method change.
	 * 
	 */
	public void selectionChanged( SelectionChangedEvent event )
	{
		ISelection selection = event.getSelection( );
		if ( selection != null )
		{
			Object[] sel = ( (IStructuredSelection) selection ).toArray( );
			if ( sel.length == 1 )
			{
				if ( sel[0] instanceof IPropertyDefn )
				{
					IPropertyDefn elePropDefn = (IPropertyDefn) sel[0];
					currentMethodName = elePropDefn.getName( );
					createContextObjects( currentMethodName );
				}
			}
		}
	}
	public void updateParametersTree( )
	{
		if ( parametersItem != null && !parametersItem.isDisposed( ) )
		{
			clearTreeItem( parametersItem );
			buildParameterTree( );
		}
	}
}