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
try
			{
				bb = Methods.computeBox( xs, IConstants.ABOVE, la, 0, 0 );
			}
			catch ( IllegalArgumentException uiex )
			{
				throw new ChartException( ChartEnginePlugin.ID,
						ChartException.RENDERING,
						uiex );
			}
			double dFWidth = bb.getWidth( );
			double dFHeight = bb.getHeight( );
			double dDeltaWidth = legendData.insCa.getLeft( )
					+ dFWidth
					+ ( 3 * legendData.dItemHeight )
					/ 2
					+ legendData.insCa.getRight( );
			if ( dWidth + dDeltaWidth > legendData.dAvailableWidth )
			{
				
				dRowHeight = dHeight + legendData.dVerticalReservedSpace;
				if ( dExtraHeight + dRowHeight > legendData.dAvailableHeight
						+ legendData.dSafeSpacing )
				{
					dHeight = -legendData.dVerticalReservedSpace;
					columnList.clear( );
					break;
				}
				else
				{