Bug 117149 Add additional datapoint markers
I would like to propose adding additional datapoint markers. Attached is a set of markers I would like supported.
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/series/LineSeriesAttributeComposite.java
true,
				true );
		liacLine.addListener( this );
		enableLineSettings( ( (LineSeries) series ).getLineAttributes( )
				.isVisible( ) );
		populateLists( );
	}
	private void populateLists( )
	{
		NameSet ns = LiteralHelper.markerTypeSet;
		cmbMarkerTypes.setItems( ns.getDisplayNames( ) );
		cmbMarkerTypes.select( ns.getSafeNameIndex( ( (LineSeries) series ).getMarker( )
				.getType( )
				.getName( ) ) );
	}
	public Point getPreferredSize( )
	{
		return new Point( 400, 200 );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
	 */
	public void widgetSelected( SelectionEvent e )
	{
		if ( e.getSource( ).equals( btnCurve ) )
		{
			( (LineSeries) series ).setCurve( btnCurve.getSelection( ) );
		}