Bug 210716 Support switch Text/Chart view in crosstab cell
Need crosstab UI provide support to switch between Text and Chart view in measure/aggregation cell.
xtab/org.eclipse.birt.report.item.crosstab.core/src/org/eclipse/birt/report/item/crosstab/core/de/internal/CrosstabModelUtil.java
boolean isRowGrandTotal = ICrosstabReportItemConstants.ROWS_PROP.equals( cell.getContainer( )
						.getModelHandle( )
						.getContainerPropertyHandle( )
						.getPropertyDefn( )
						.getName( ) );
				if ( isRowGrandTotal )
				{
					LevelViewHandle rowLevelHandle = getInnerMostLevel( crosstabItem,
							ROW_AXIS_TYPE );
					if ( rowLevelHandle != null )
					{
						
						return rowLevelHandle.getCell( );
					}
					
					return cell;
				}
				if ( crosstabItem.getMeasureCount( ) == 0 )
				{
					
					return cell;
				}
				
				String rowDimension = null;
				String rowLevel = null;
				LevelViewHandle rowLevelHandle = getInnerMostLevel( crosstabItem,
						ROW_AXIS_TYPE );
				if ( rowLevelHandle != null )
				{
					rowDimension = ( (DimensionViewHandle) rowLevelHandle.getContainer( ) ).getCubeDimensionName( );