Bug 122306 TOC on group won't be displayed
Description: TOC on group won't be displayed Steps to reproduce: 1.Add a sample datasource and a data with table "CUSTOMERS" 2.Add a table binding with data set 3.Add a group on the table and set the toc expression to "Group" 4.Preview in HTML Expected result: TOC "Group" will be displayed on the TOC pane Actual result: Nothing in the TOC pane
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
{
			HighlightRuleHandle ruleHandle = ( HighlightRuleHandle ) iter
					.next( );
			HighlightRuleDesign rule = createHighlightRule( ruleHandle,
					defaultStr );
			if ( rule != null )
			{
				highlight.addRule( rule );
			}
		}
		if ( highlight.getRuleCount( ) > 0 )
		{
			item.setHighlight( highlight );
		}
	}
	/**
	 * setup a Map.
	 * 
	 * @param item
	 *            styled item;
	 */
	protected void setMap( StyledElementDesign item, String defaultStr )
	{
		StyleHandle handle = item.getHandle( ).getPrivateStyle( );
		if ( handle == null )
		{
			return;
		}
		Iterator iter = handle.mapRulesIterator( );
		if ( iter == null )