Bug 166015 Refactor designer actions to eclipse command framework
Eclipse command framework provide a more explicit way to manage UI actions contributions, we can take it's advantage to make our actions code more clean and maintainable.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/actions/EditGroupAction.java
*/
	public EditGroupAction( IWorkbenchPart part )
	{
		setId( ID );
	}
	/**
	 * @param part
	 */
	public EditGroupAction( IWorkbenchPart part, GroupHandle handle )
	{
		this.handle = handle;
		setId( ID );
		setText( DEUtil.getEscapedMenuItemText( handle.getDisplayLabel( ) ) );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.ui.actions.Action#isEnabled()
	 */
	public boolean isEnabled( )
	{
		return 
		handle.canEdit( );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.action.Action#run()
	 */
	public void run( )