Bug 198031 Legend interactivity does not work correctly for drill-throughs
Under Value (Y) Series enable interactivity for the event "Mouse Click" Set action to Hyperlink The type of the hyperlink is Drill-through and the target is the a sub-report Pass parameter to sub-report as row["value_of_the_legend_item"] Suppose there are 3 values, x,y and z No matter which legend item you click (x, y or z), z gets passed as param to the subreport
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/TriggerDataComposite.java
{
			if ( triggersMap.containsKey( triggerTypes[i] ) )
			{
				Trigger trigger = (Trigger) triggersMap.get( triggerTypes[i] );
				
				if ( triggerMatrix.check( trigger ) )
				{
					cmbTriggerType.markSelection( triggerTypes[i] );
					if ( firstTrigger == null )
					{
						firstTrigger = trigger;
						
						cmbTriggerType.setText( triggerTypes[i] );
					}
				}
			}
		}
		
		
		this.lastTriggerType = cmbTriggerType.getText( );
		
		updateActionTypeItems( );
		if ( firstTrigger != null )
		{
			cmbActionType.setText( LiteralHelper.actionTypeSet.getDisplayNameByName( firstTrigger.getAction( )
					.getType( )
					.getName( ) ) );
			updateUI( firstTrigger );
		}
		else