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
ReportFlowLayoutEditPolicy
{
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editpolicies.ReportFlowLayoutEditPolicy#getCreateCommand(org.eclipse.gef.requests.CreateRequest)
	 */
	protected Command getCreateCommand( CreateRequest request )
	{
		EditPart after = getInsertionReference( request );
		
		Object model = this.getHost( ).getModel( );
		Object newObject = request.getExtendedData( )
				.get( DesignerConstants.KEY_NEWOBJECT );
		if ( model instanceof CrosstabCellAdapter )