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
private Text txtSeriesParm = null;
	private Composite cmpCallback = null;
	private Composite cmpDefault = null;
	private Composite cmpScript = null;
	private Text txtScript = null;
	
	private Button btnScriptExpBuilder = null;
	private Composite cmpTooltip = null;
	
	private Text txtTooltipText = null;
	private Button btnTooltipExpBuilder = null;
	private Composite cmpVisiblity = null;
	private Composite cmpHighlight = null;
	private Composite cmpDPVisibility = null;
	
	private StackLayout slValues = null;
	private CTextCombo cmbTriggerType = null;
	private Combo cmbActionType = null;
	private ChartWizardContext wizardContext;
	private Button btnBaseURL;
	private Button btnAdvanced;
	private String sBaseURL = ""; 
	private boolean bEnableURLParameters;
	private boolean bEnableShowTooltipValue;
	private boolean bAdvanced = false;
	private EList triggersList;
	private Map triggersMap;
	private String lastTriggerType;
	
	private boolean needSaveWhenDisposing = false;