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
* Search the width for each column when legend is vertical.
	 * 
	 * @param liha
	 * @return
	 */
	protected Map searchMaxColumnWidth( LegendItemHints[] liha )
	{
		HashMap rt = new HashMap( );
		int start = -1;
		double x = 0;
		double maxWidth = 0;
		for ( int i = 0; i < liha.length; i++ )
		{
			if ( liha[i].getType( ) == IConstants.LEGEND_SEPERATOR )
			{
				continue;
			}
			if ( start < 0 )
			{
				start = i;
				x = liha[i].getLeft( );
				maxWidth = liha[i].getWidth( );
			}
			else if ( liha[i].getLeft( ) != x )
			{
				for ( int j = start; j < i; j++ )
				{
					rt.put( liha[j], new Double( maxWidth ) );
				}
				start = i;