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
else if ( e.getSource( ).equals( btnPalette ) )
		{
			( (LineSeries) series ).setPaletteLineColor( btnPalette.getSelection( ) );
		}
		else if ( e.getSource( ).equals( btnMissingValue ) )
		{
			( (LineSeries) series ).setConnectMissingValue( btnMissingValue.getSelection( ) );
		}
		else if ( e.getSource( ).equals( btnMarkerVisible ) )
		{
			( (LineSeries) series ).getMarker( )
					.setVisible( btnMarkerVisible.getSelection( ) );
			cmbMarkerTypes.setEnabled( btnMarkerVisible.getSelection( ) );
			iscMarkerSize.setEnabled( btnMarkerVisible.getSelection( ) );
		}
		else if ( e.getSource( ).equals( cmbMarkerTypes ) )
		{
			if ( MarkerType.getByName( getSelectedMarkerName( ) ) == MarkerType.ICON_LITERAL )
			{
				MarkerIconDialog iconDialog = new MarkerIconDialog( this.getShell( ),
						getSeriesMarker( ).getIconPalette( ) );
				if ( iconDialog.applyMarkerIcon( ) )
				{
					if ( iconDialog.getIconPalette( ).eAdapters( ).isEmpty( ) )
					{
						
						iconDialog.getIconPalette( )
								.eAdapters( )
								.addAll( getSeriesMarker( ).eAdapters( ) );
					}