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
dMaxH = Math.max( dH, dMaxH );
					dWidth += dDeltaWidth;
				}
				columnList.add( new LegendItemHints( LEGEND_ENTRY,
						new Point( dWidth - dDeltaWidth, dExtraHeight ),
						dFWidth,
						dFHeight,
						la.getCaption( ).getValue( ),
						dEHeight,
						extraText ) );
			}
			
			dRealWidth = Math.max( dRealWidth, dWidth );
			
			dRowHeight = dMaxH + legendData.dVerticalReservedSpace;
			if ( dExtraHeight + dRowHeight > legendData.dAvailableHeight
					+ legendData.dSafeSpacing )
			{
				
			}
			else
			{
				legendData.legendItems.addAll( columnList );
				if ( oneVisibleSerie )
				{
					dExtraHeight += dRowHeight;
					
					if ( j < seda.length - 1
							&& ( cm.getLegend( ).getSeparator( ) == null || cm.getLegend( )
									.getSeparator( )