Bug 132511 List is devoid of the bending option
Details: List is devoid of the bending option Step: 1.Add a list and select it. 2.Right click on list. Actual result: I want to have a bending to data set as a table. But I can't find that the option in right click menu. Exception result: An option to bending the dataset as table in right menu is easy to be used.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/providers/SchematicContextMenuProvider.java
if ( base.isInstance( obj ) )
				{
					continue;
				}
				
				
				while ( !base.isInstance( obj ) )
				{
					base = base.getSuperclass( );
				}
				continue;
			}
			return base;
		}
		return null;
	}
	/**
	 * Gets the current selected row objects.
	 * 
	 * @return The current selected row objects.
	 */
	public List getRowHandles( )
	{
		List list = getSelectedObjects( );
		if ( list.isEmpty( ) )
			return Collections.EMPTY_LIST;
		List rowHandles = new ArrayList( );
		for ( int i = 0; i < list.size( ); i++ )
		{
			Object obj = list.get( i );