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
MemberHandle hValue1 = ruleHandle
				.getMember( HighlightRule.VALUE1_MEMBER );
		MemberHandle hValue2 = ruleHandle
				.getMember( HighlightRule.VALUE2_MEMBER );
		MemberHandle hTestExpr = ruleHandle
				.getMember( HighlightRule.TEST_EXPR_MEMBER );
		String oper = hOperator.getStringValue( );
		String value1 = hValue1.getStringValue( );
		String value2 = hValue2.getStringValue( );
		String testExpr = hTestExpr.getStringValue( );
		rule.setExpression( oper, value1, value2 );
		if ( testExpr != null && testExpr.length( ) > 0 )
		{
			rule.setTestExpression( testExpr );
		} else if ( ( defaultStr != null ) && defaultStr.length( ) > 0 )
		{
			rule.setTestExpression( defaultStr );
		} else
		{
			
			return null;
		}
		
		
		StyleDeclaration style = new StyleDeclaration( cssEngine );
		setupStyle( ruleHandle, style );
		
		if ( style.isEmpty( ) )
		{
			return null;