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
cmbTriggerType.setText( LiteralHelper.triggerConditionSet.getDisplayNameByName( trigger.getCondition( )
				.getName( ) ) );
		updateActionTypeItems( );
		
		if ( triggerMatrix.check( trigger ) )
		{
			cmbActionType.setText( LiteralHelper.actionTypeSet.getDisplayNameByName( trigger.getAction( )
					.getType( )
					.getName( ) ) );
		}
		else
		{
			cmbActionType.select( 0 );
		}
		updateUI( trigger );
	}
	private void initUI( )
	{
		final String BLANK_STRING = ""; 
		
		txtBaseParm.setText( BLANK_STRING );
		txtValueParm.setText( BLANK_STRING );
		txtSeriesParm.setText( BLANK_STRING );
		
		txtTooltipText.setText( BLANK_STRING );
		
		txtScript.setText( BLANK_STRING );
	}
	private void updateUI( Trigger trigger )
	{