Bug 179688 Dimension should not be able to be deleted through Context Menu [1102]
Description: Dimension should not be able to be deleted through Context Menu. Build number: 2.2.0.v20070328-0630 Steps to reproduce: 1. New a Cross tab, drag Group to column. 2. Select the Group and right click to choose "Delete" in the context menu. Expected result: Dimension should not be able to be deleted through Context Menu. Actual result: Dimension can be deleted through Context Menu. Error log: N/A
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/providers/SchematicContextMenuProvider.java
createInsertGroupMenu( menuManager, GEFActionConstants.GROUP_ADD );
			if ( getListEditParts( ).size( ) == 1 )
			{
				createDeleteGroupMenus( menuManager,
						GEFActionConstants.GROUP_ADD );
				createEditGroupMenu( menuManager, GEFActionConstants.GROUP_ADD );
				Separator separator = new Separator( EditBindingAction.ID );
				menuManager.add( separator );
				menuManager.appendToGroup( EditBindingAction.ID,
						getAction( EditBindingAction.ID ) );
			}
		}
		if ( getElements( ).size( ) == 1 || isMutilSelection( multiSelection ) )
		{
			if ( firstSelectedElement instanceof DesignElementHandle )
			{
				String elementName = ( (DesignElementHandle) firstSelectedElement ).getDefn( )
						.getName( );
				IMenuBuilder menuBuilder = ExtensionPointManager.getInstance( )
						.getMenuBuilder( elementName );
				if ( menuBuilder != null )
				{
					menuBuilder.buildMenu( menuManager, getElements( ) );
				}
			}
		}
	}
	private boolean isListHandleCalss( Object multiSelection )
	{
		return multiSelection == ListHandle.class;