Bug 212984 Disable Dimension or Level drag into outline
Description: The levels are not auto-outspread when drag the dimension from Data explorer to Outline Build number: 2.3.0.v20071214 Steps to reproduce: 1, New a cube with multiple levels in one dimension 2, New a crosstab 3, Drag the dimension from cube to crosstab's column area in Outline Expected result: The levels are auto-outspread. Actual result: The levels are not auto-outspread. Error log:
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/editors/editpolicies/CrosstabCellFlowLayoutEditPolicy.java
.getCrosstab( ) )
				{
					return new ChangeAreaCommand( parentAdapter.getDesignElementHandle( ),
							childAdapter.getDesignElementHandle( ),
							(DesignElementHandle) DNDUtil.unwrapToModel( afterObj ) );
				}
				else
				{
					return UnexecutableCommand.INSTANCE;
				}
			}
			else if ( ICrosstabCellAdapterFactory.CELL_MEASURE.equals( childAdapter.getPositionType( ) )
					&& ICrosstabCellAdapterFactory.CELL_MEASURE.equals( parentAdapter.getPositionType( ) ) )
			{
				if ( afterObj != parentAdapter.getFirstElement( ) )
				{
					afterObj = null;
				}
				if ( childAdapter.getCrosstabCellHandle( ).getCrosstab( ) == parentAdapter.getCrosstabCellHandle( )
						.getCrosstab( ) )
				{
					return new ChangeMeasureOrderCommand( parentAdapter.getDesignElementHandle( ),
							childAdapter.getDesignElementHandle( ),
							(DesignElementHandle) DNDUtil.unwrapToModel( afterObj ) );
				}
				else
				{
					return UnexecutableCommand.INSTANCE;
				}
			}