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/InsertRowAction.java
}
	
	private boolean canDrop( List columnHandles )
	{
		for ( Iterator it = columnHandles.iterator( ); it.hasNext( ); )
		{
			if ( !canDrop( (RowHandle)it.next( ) ) )
			{
				return false;
			}
		}
		return true;
	}
	
	private boolean canDrop(RowHandle handle)
	{
		return ((RowHandle)handle).canDrop();
	}
	/**
	 * Runs the action.
	 */
	public void run( )
	{
		if ( Policy.TRACING_ACTIONS )
		{
			System.out.println( "Insert row action >> Run ..." ); 
		}
		
	}
}