Bug 199488 BIRT Cross tab - Filter/SORT dialog UI needs improvement
Improve the crosstab filter dialog for cross tab. Currently we directly display the bound data columns of the crosstab. It is very difficult for user to find which column is based on aggregation.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/CubeQueryUtil.java
private Object currentValue;
		private String attribute;
		
		public MemberValueIterator( IDatasetIterator it, Map levelValueMap, String targetLevelName, String attribute )
		{
			this.dataSetIterator = it;
			this.hasNext = true;
			this.levelValueMap = levelValueMap;
			this.targetLevelName = targetLevelName;
			this.attribute = attribute;
			this.next( );
		}
		
		public boolean hasNext( )
		{
			return this.hasNext;
		}
		public Object next( )
		{
			try
			{
				if( !this.hasNext )
					return null;
				Object result = this.currentValue;
				boolean accept = false;
				while( this.dataSetIterator.next( ) )
				{
					accept = true;
					Iterator it = this.levelValueMap.keySet( ).iterator( );