Bug 158102 [Regression]Html visibility effects seems to take no effects to all items
Html visibility effects seems to take no effects to all items Steps to reproduce: 1.new a report 2.add report items and set html visibility to them Expected result: Html visibility should take effects Actual result: No effects were displayed to all items
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
* @return ListBand.
	 */
	private ListBandDesign createListBand( SlotHandle elements )
	{
		ListBandDesign band = new ListBandDesign( );
		for ( int i = 0; i < elements.getCount( ); i++ )
		{
			apply( elements.get( i ) );
			if ( currentElement != null )
			{
				band.addContent( (ReportItemDesign) currentElement );
			}
		}
		return band;
	}
	/**
	 * create a list group using the DE's ListGroup.
	 * 
	 * @param handle
	 *            De's list group
	 * @return engine's list group
	 */
	public void visitListGroup( ListGroupHandle handle )
	{
		ListGroupDesign listGroup = new ListGroupDesign( );
		setupGroup( listGroup, handle );
		SlotHandle headerSlot = handle.getHeader( );
		if ( headerSlot.getCount( ) > 0 )
		{
			ListBandDesign header = createListBand( headerSlot );