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
* Renders all blocks using the appropriate block z-order and the
	 * containment hierarchy.
	 * 
	 * @param bo
	 */
	public void render( Map htRenderers, Bounds bo ) throws ChartException
	{
		final boolean bFirstInSequence = ( iSeriesIndex == 0 );
		final boolean bLastInSequence = ( iSeriesIndex == iSeriesCount - 1 );
		boolean bStarted = bFirstInSequence;
		long lTimer = System.currentTimeMillis( );
		Block bl = cm.getBlock( );
		final Enumeration e = bl.children( true );
		final BlockGenerationEvent bge = new BlockGenerationEvent( this );
		final IDeviceRenderer idr = getDevice( );
		final ScriptHandler sh = getRunTimeContext( ).getScriptHandler( );
		if ( bFirstInSequence )
		{
			
			ScriptHandler.callFunction( sh,
					ScriptHandler.BEFORE_DRAW_BLOCK,
					bl,
					getRunTimeContext( ).getScriptContext( ) );
			getRunTimeContext( ).notifyStructureChange( IStructureDefinitionListener.BEFORE_DRAW_BLOCK,
					bl );
			bge.updateBlock( bl );
			renderChartBlock( idr, bl, StructureSource.createChartBlock( bl ) );
			ScriptHandler.callFunction( sh,
					ScriptHandler.AFTER_DRAW_BLOCK,
					bl,