bundles/core/org.eclipse.apogy.core.topology.ui/src/org/eclipse/apogy/core/topology/ui/handlers/ResetLevelViewpointHandler.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency 
 * 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:
 *     Pierre Allard,
 *     Regent L'Archeveque,
 *     Olivier L. Larouche - initial API and implementation
 *
 * SPDX-License-Identifier: EPL-1.0
 *******************************************************************************/
package org.eclipse.apogy.core.topology.ui.handlers;

import org.eclipse.apogy.common.topology.ui.viewer.ITopologyViewer;
import org.eclipse.apogy.common.topology.ui.viewer.TopologyViewerProvider;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;

public class ResetLevelViewpointHandler {

	@CanExecute
	public boolean canExecute(MPart part) {
		if (part.getObject() instanceof TopologyViewerProvider) {
			TopologyViewerProvider provider = (TopologyViewerProvider) part.getObject();
			ITopologyViewer topologyViewer = provider.getTopologyViewer();
			return (topologyViewer != null);
		} else {
			return false;
		}
	}

	@Execute
	public void execute(MPart part) {
		if (part.getObject() instanceof TopologyViewerProvider) {
			TopologyViewerProvider provider = (TopologyViewerProvider) part.getObject();
			ITopologyViewer topologyViewer = provider.getTopologyViewer();
			if (topologyViewer != null)
				topologyViewer.levelViewPoint();
		}
	}
}