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
Object[] array = (Object[]) transferData;
			if ( array.length == 1 )
			{
				return handleValidateTargetCanContain( targetObj,
						array[0],
						validateContainer );
			}
			int canContainAll = CONTAIN_NO;
			for ( int i = 0; i < array.length; i++ )
			{
				int canContain = handleValidateTargetCanContain( targetObj,
						array[i],
						validateContainer );
				if ( i == 0 )
				{
					canContainAll = canContain;
				}
				if ( canContain == CONTAIN_NO || canContain != canContainAll )
				{
					return CONTAIN_NO;
				}
			}
			return canContainAll;
		}
		else
		{
			
			if ( transferData instanceof DesignElementHandle )
			{
				return handleValidateTargetCanContainByContainer( targetObj,