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
{
			paramGroup.setDataSet( dset.getName( ) );
		}
		SlotHandle parameters = handle.getParameters( );
		
		List properties = handle.getUserProperties( );
		for ( int i = 0; i < properties.size( ); i++ )
		{
			UserPropertyDefn p = ( UserPropertyDefn ) properties.get( i );
			paramGroup.addUserProperty( p.getName( ), handle.getProperty( p
					.getName( ) ) );
		}
		int size = parameters.getCount( );
		for ( int n = 0; n < size; n++ )
		{
			apply( parameters.get( n ) );
			if ( currentElement != null )
			{
				paramGroup.addParameter( ( IParameterDefnBase ) currentElement );
			}
		}
		currentElement = paramGroup;
	}
	public void visitScalarParameter( ScalarParameterHandle handle )
	{
		assert ( handle.getName( ) != null );
		
		ScalarParameterDefn scalarParameter = new ScalarParameterDefn( );
		scalarParameter.setHandle( handle );
		scalarParameter.setParameterType( IParameterDefnBase.SCALAR_PARAMETER );