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
updateActions( stackActionIDs );
		
		getSite( ).getWorkbenchWindow( )
				.getSelectionService( )
				.addSelectionListener( getSelectionListener( ) );
	}
	/**
	 * @return the wrapper command stack for GEF framework
	 */
	public WrapperCommandStack getWrapperCommandStack( )
	{
		return (WrapperCommandStack) getMultiPageEditor( ).getAdapter( CommandStack.class );
	}
	/**
	 * @see org.eclipse.ui.part.WorkbenchPart#firePropertyChange(int)
	 */
	protected void firePropertyChange( int propertyId )
	{
		super.firePropertyChange( propertyId );
		updateActions( editorActionIDs );
	}
	/**
	 * the selection listener
	 */
	private ISelectionListener selectionListener = new ISelectionListener( ) {
		public void selectionChanged( IWorkbenchPart part, ISelection selection )
		{
			updateActions( editPartActionIDs );
		}