core/org.eclipse.stem.ui/src/org/eclipse/stem/ui/views/graphmap/GraphMapView.java

/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Bundesinstitut für Risikobewertung
 *******************************************************************************/

package org.eclipse.stem.ui.views.graphmap;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.stem.jobs.simulation.SimulationManager;
import org.eclipse.stem.ui.views.IContextMenuUpdatesListener;
import org.eclipse.stem.ui.views.graphmap.GraphMapViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.part.ViewPart;

/**
 * This class is a {@link ViewPart} that renders Lat/Long data for active
 * Simulations.
 */
public class GraphMapView extends ViewPart implements
		IContextMenuUpdatesListener {

	/**
	 * The viewer that displays the geographic state of the simulations.
	 */
	private GraphMapViewer geographicViewer;

	/**
	 * Default Constructor
	 */
	public GraphMapView() {
		super();
	}

	@Override
	public void createPartControl(Composite parent) {
		geographicViewer = new GraphMapViewer(parent);
		// Set this instance to be a listener for context menu updates
		geographicViewer.addContextMenuUpdateListener(this);
		geographicViewer.setInput(SimulationManager.getManager());
		getSite().setSelectionProvider(geographicViewer);
	}

	@Override
	public void setFocus() {
		// Nothing
	}

	@Override
	public void dispose() {
		getSite().setSelectionProvider(null);
		geographicViewer.removeContextMenuUpdateListener(this);
		geographicViewer.setInput(null);
	}

	@Override
	public void onContextMenuUpdate(MenuManager menuManager,
			ISelectionProvider selectionProvider) {
		getSite().registerContextMenu(
				"org.eclipse.stem.ui.views.geographic.map.context",
				menuManager, selectionProvider);
	}

}