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
else if ( firstSelectedElement instanceof ColumnHandle )
			{
				menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
						new InsertPasteColumnAction( selectedElements ) );
				if ( getColumnHandles( ).size( ) != 0 )
				{
					MenuManager subMenu = new MenuManager( INSERT_MENU_ITEM_TEXT );
					subMenu.add( getAction( InsertColumnRightAction.ID ) );
					subMenu.add( getAction( InsertColumnLeftAction.ID ) );
					menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
							subMenu );
				}
				
				menuManager.appendToGroup( GEFActionConstants.GROUP_COPY,
						getAction( DeleteColumnAction.ID ) );
				menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
						getAction( MergeAction.ID ) );
				menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
						getAction( SplitAction.ID ) );
			}
			else if ( firstSelectedElement instanceof CellHandle )
			{
				createInsertElementMenu( menuManager,
						GEFActionConstants.GROUP_EDIT );
				menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
						getAction( MergeAction.ID ) );
				menuManager.appendToGroup( GEFActionConstants.GROUP_EDIT,
						getAction( SplitAction.ID ) );
				
				menuManager.appendToGroup( GEFActionConstants.GROUP_COPY,