Bug 124599 Shortcut delete and menu delete act different in table column.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/parts/GraphicalEditorWithFlyoutPalette.java
* @see org.eclipse.ui.part.IPage#createControl(org.eclipse.swt.widgets.Composite)
		 */
		public void createControl( Composite parent )
		{
			super.createControl( parent );
			if ( splitter != null )
				splitter.setExternalViewer( viewer );
		}
		/**
		 * @see org.eclipse.ui.part.IPage#dispose()
		 */
		public void dispose( )
		{
			if ( splitter != null )
				splitter.setExternalViewer( null );
			super.dispose( );
		}
		/**
		 * @return the PaletteViewer created and displayed by this page
		 */
		public PaletteViewer getPaletteViewer( )
		{
			return viewer;
		}
	}
	protected void hookZoom( ScalableFreeformRootEditPart root )
	{
		List zoomLevels = new ArrayList( 3 );
		zoomLevels.add( ZoomManager.FIT_ALL );
		zoomLevels.add( ZoomManager.FIT_WIDTH );