Bug 210609 [Smoke]Crosstab is failed to preview in runtime
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/extension/experimental/CommandCombinedTemplateCreationEntry.java
{
	private CreationFactory factory;
	private PaletteEntryExtension paletteEntry;
	public PaletteEntryCreationTool( CreationFactory factory,
			PaletteEntryExtension paletteEntry )
	{
		super( factory, null );
		this.factory = factory;
		setFactory( factory );
		this.paletteEntry = paletteEntry;
	}
	protected void performCreation( int button )
	{
		try
		{
			getCreateRequest( ).setFactory( this.factory );
			CommandUtils.setVariable( "targetEditPart", getTargetEditPart( ) );
			CommandUtils.setVariable( "request", getTargetRequest( ) );
			Object model = paletteEntry.executeCreate( );
			EditPartViewer viewer = getCurrentViewer( );
			selectAddedObject( model, viewer );
		}
		catch ( Exception e )
		{
			ExceptionHandler.handle( e );
		}
	}