Bug 197245 Interactivity in Gantt series doesn't work[13]
Description: Inconsistent behaviors occur when (Y) Series and Legend Interactivity [Series Color By: Value Series] Build number: 2.2.1.v20070720-0630 Steps: 1. Create a Gantt Chart, Set Color By: Value Series. 2. Set Interavtivity Event: Mouse Click, Action: Highlight at (Y) Series and Legend. 3. Preview and Click. (Y) Series and Legend. Expected result: (Y) Series change color. Actual result: Chart Area change color. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
*/
	protected final static String STACKED_SERIES_LOCATION_KEY = "stacked_series_location_key"; 
	/**
	 * This key is to reference the fixed location array of last stacked series.
	 */
	protected final static String FIXED_STACKED_SERIES_LOCATION_KEY = "fixed_stacked_series_location_key"; 
	/**
	 * This key is to reference the fixed index value of last stacked series.
	 */
	protected final static String FIXED_STACKED_SERIES_INDEX_KEY = "fixed_stacked_series_index_key"; 
	
	
	protected final static String STACKED_SERIES_SIZE_KEY = "stacked_series_size_key"; 
	protected static final String TIMER = "T"; 
	protected ISeriesRenderingHints srh;
	protected IDisplayServer xs;
	protected IDeviceRenderer ir;
	protected DeferredCache dc;
	protected Chart cm;
	protected Object oComputations;
	protected Series se;
	protected SeriesDefinition sd;
	/**
	 * All renders associated with the chart provided for convenience and
	 * inter-series calculations
	 */
	protected BaseRenderer[] brna;
	/**
	 * Identifies the series sequence # in the list of series renders
	 */