Bug 160954 Legend area disappears when tick Show Value check box for Gantt chart
Legend area disapears when tick Show Value check box for Gantt chart Steps to reproduce: 1. Create a Gantt Chart. 2. Double click the chart, select "Format Chart" button, go to Chart Area->Legend, tick "Legend Visible" check box, tick "Value: Show Value" check box Expected result: Value is shown. Actual result: The legend area dispears.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/LegendBuilder.java
{
					DataSetIterator dsiBase = null;
					try
					{
						dsiBase = new DataSetIterator( se.getDataSet( ) );
					}
					catch ( Exception ex )
					{
						throw new ChartException( ChartEnginePlugin.ID,
								ChartException.GENERATION,
								ex );
					}
					
					if ( dsiBase.hasNext( ) )
					{
						obj = dsiBase.next( );
						
						
						while ( obj == null && dsiBase.hasNext( ) )
						{
							obj = dsiBase.next( );
						}
		
						String valueText = String.valueOf( obj );
						if ( fs != null )
						{
							try
							{
								lgtext = ValueFormatter.format( obj,
										fs,