Bug 183888 BIRT designer - Cube in data explorer
Current behavior - The data explorer view allows uer to change the order of a group level in a hierrachy. Expected behavior - user should not be allowed to change the order of the group level in data explorer view. - Instead user can user cube builder dialog to change the order.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
{
				transferData = ( (StructuredSelection) transferData ).toArray( );
			}
			addCommandToCompound( transferData,
					targetObj,
					position,
					commandName,
					commandType,
					commands );
			commands.execute( );
			stack.commit( );
		}
		catch ( Exception e )
		{
			stack.rollbackAll( );
			return false;
		}
		return true;
	}
	protected static void addCommandToCompound( Object transferData,
			Object targetObj, int position, String commandName,
			String commandType, CompoundCommand commands )
			throws SemanticException
	{
		if ( transferData instanceof SlotHandle )
		{
			transferData = transferSlotHandle( commandType, transferData );
		}
		if ( transferData instanceof Object[] )
		{