public class PrintTLD extends AbstractHandler implements IHandler {

	private OspContext context;
	private Satellite sats;
	protected Satellite getContents() {
		return sats;
	}

	@Override
	public void addHandlerListener(IHandlerListener handlerListener) {
		// TODO Auto-generated method stub

	}

	@Override
	public void dispose() {
		// TODO Auto-generated method stub

	}

	@Override
	public Object execute(ExecutionEvent event) throws ExecutionException {
		int style = PlatformUI.getWorkbench().getActiveWorkbenchWindow()
				.getShell().getStyle();
		Shell shell = new Shell((style & SWT.MIRRORED) != 0 ? SWT.RIGHT_TO_LEFT
				: SWT.NONE);
		WorkbenchPart workbenchPart = (WorkbenchPart) HandlerUtil.getActivePart(event);
		if (workbenchPart instanceof MultiplexesViewPart){
		GraphicalViewer viewer = new ScrollingGraphicalViewer();
		viewer.createControl(shell);
		viewer.setEditDomain(new DefaultEditDomain(null));
		viewer.setRootEditPart(new ScalableFreeformRootEditPart());
		viewer.setEditPartFactory(new TLDEditPartFactory(context));
		viewer.setContents(getContents());
		viewer.flush();

		int printMode = new PrintModeDialog(shell).open();
		if (printMode == -1)
			return null ;
		PrintDialog dialog = new PrintDialog(shell, SWT.NULL);
		PrinterData data = dialog.open();
		if (data != null) {
			PrintGraphicalViewerOperation op = new PrintGraphicalViewerOperation(
					new Printer(data), viewer);
			op.setPrintMode(printMode);
			op.run(MultiplexesViewPart.class.getName());
		}else {
            MessageDialog.openError(shell, "Cannot proceed", "Select the Multiplexes part before proceeding.");
        }


		}
		return null;
	}

	@Override
	public boolean isEnabled() {
		// TODO Auto-generated method stub
		return false;
	}

	@Override
	public boolean isHandled() {
		// TODO Auto-generated method stub
		return false;
	}

	@Override
	public void removeHandlerListener(IHandlerListener handlerListener) {
		// TODO Auto-generated method stub

	}

}