Bug 120293 There is no response when I drag an embedded image from library explorer into outline view.
Description: There is no response when I drag an embedded image from library explorer into outline view. Steps to reproduce: 1. Use a library in a report. 2. Drag an embedded image from library explorer into outline view. There is no response. It doesn't take effect.
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DNDUtil.java
*/
	public static int handleValidateTargetCanContain( Object targetObj,
			Object transferData, boolean validateContainer )
	{
		if ( targetObj == null || transferData == null )
			return CONTAIN_NO;
		if ( transferData instanceof StructuredSelection )
		{
			return handleValidateTargetCanContain( targetObj,
					( (StructuredSelection) transferData ).toArray( ),
					validateContainer );
		}
		else if ( transferData instanceof Object[] )
		{
			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;