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/src/org/eclipse/birt/chart/ui/swt/interfaces/IUIServiceProvider.java
* @param sKey
	 *            the lookup key for the externalized string
	 * @return the value associated with the key for the current locale, null if
	 *         resource key is blank
	 */
	public String getValue( String sKey );
	/**
	 * Gets the result of converting the given value between the specified
	 * absolute units of measurement. Any implementation of this method needs to
	 * support conversion between at least the following units: Inches,
	 * Centimeters, Millimeters, Points and Pixels
	 * 
	 * @param dOriginalValue
	 *            the value to be converted
	 * @param sFromUnits
	 *            the units of measurement from which the conversion is to be
	 *            done
	 * @param sToUnits
	 *            the units of measurement to which the conversion is to be done
	 * @return the converted value
	 */
	public double getConvertedValue( double dOriginalValue, String sFromUnits,
			String sToUnits );
	
	/**
	 * Returns whether the application is running under Eclipse Mode
	 * @since 2.2
	 */
	public boolean isEclipseModeSupported( );
}