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
cmpTooltip = new Composite( grpValue, SWT.NONE );
		cmpTooltip.setLayout( new GridLayout( 3, false ) );
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		Label lblText = new Label( cmpTooltip, SWT.NONE );
		lblText.setText( Messages.getString( "TriggerDataComposite.Lbl.TooltipText" ) ); 
		if ( bEnableShowTooltipValue )
		{
			GridData lblGd = new GridData( );
			lblGd.horizontalSpan = 3;
			lblText.setLayoutData( lblGd );
			txtTooltipText = new Text( cmpTooltip, SWT.BORDER
					| SWT.MULTI | SWT.V_SCROLL );