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
{
							dW = newMetrics[0];
							dFHeight = newMetrics[1];
							dDeltaHeight = legendData.insCa.getTop( )
									+ dFHeight
									+ legendData.insCa.getBottom( );
						}
						dMaxW = dW;
						dRealHeight = Math.max( dRealHeight, dHeight );
						dHeight = dDeltaHeight;
					}
				}
				else
				{
					dMaxW = Math.max( dW, dMaxW );
					dHeight += dDeltaHeight;
				}
				columnList.add( new LegendItemHints( LEGEND_ENTRY,
						new Point( dExtraWidth, dHeight - dDeltaHeight ),
						dW,
						dFHeight,
						la.getCaption( ).getValue( ),
						dExtraHeight,
						extraText ) );
			}
			
			dColumnWidth = dMaxW + legendData.dHorizonalReservedSpace;
			if ( dExtraWidth + dColumnWidth > legendData.dAvailableWidth
					+ legendData.dSafeSpacing )
			{