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/InsertRowBelowAction.java
super( part );
		setId( ID );
		setText( ACTION_MSG_ROW_BELOW );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.gef.ui.actions.WorkbenchPartAction#calculateEnabled()
	 */
	protected boolean calculateEnabled( )
	{
		return super.calculateEnabled( );
	}
	/**
	 * Runs action.
	 *  
	 */
	public void run( )
	{
		if ( Policy.TRACING_ACTIONS )
		{
			System.out.println( "Insert row below action >> Run ..." ); 
		}
		if ( getTableEditPart( ) != null && !getRowHandles( ).isEmpty( ) )
		{
			
			getTableEditPart( ).insertRows( 1, getRowNumbers( ) );
		}
	}
}