bundles/core/org.eclipse.apogy.core.topology.ui/src/org/eclipse/apogy/core/topology/ui/parts/ApogySystemBindingsPart.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 - initial API and implementation
 * 
 * SPDX-License-Identifier: EPL-1.0
 *******************************************************************************/
package org.eclipse.apogy.core.topology.ui.parts;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;

import org.eclipse.apogy.common.topology.ApogyCommonTopologyFacade;
import org.eclipse.apogy.common.topology.ApogyCommonTopologyPackage;
import org.eclipse.apogy.common.topology.Node;
import org.eclipse.apogy.common.topology.bindings.ui.parts.BindingsSetPart;
import org.eclipse.apogy.core.ApogySystem;
import org.eclipse.apogy.core.topology.ui.ApogyCoreTopologyUIRCPConstants;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.workbench.modeling.ISelectionListener;
import org.eclipse.emf.ecore.EObject;

public class ApogySystemBindingsPart extends BindingsSetPart {
	private ApogySystem apogySystem;

	@Override
	protected void setCompositeContents(EObject eObject) {
		if (eObject == null || eObject instanceof ApogySystem) {
			setApogySystem((ApogySystem) eObject);
		}
	}

	@Override
	protected HashMap<String, ISelectionListener> getSelectionProvidersIdsToSelectionListeners() {
		HashMap<String, ISelectionListener> selectionProvidersIdsToSelectionListeners = new HashMap<String, ISelectionListener>();

		// Listens to the Apogy System File Editor
		selectionProvidersIdsToSelectionListeners.put(ApogyCoreTopologyUIRCPConstants.PART__APOGY_SYSTEM_FILE_EDITOR_ID,
				new ISelectionListener() {

					@Override
					public void selectionChanged(MPart mPart, Object object) {
						if (object == null || object instanceof EObject) {
							setEObject((EObject) object);
						}
					}
				});

		return selectionProvidersIdsToSelectionListeners;
	}

	private void setApogySystem(ApogySystem newApogySystem) {
		this.apogySystem = newApogySystem;

		if (newApogySystem != null) {
			setBindingsSet(newApogySystem.getBindingSet());
		} else {
			setBindingsSet(null);
		}
	}

	@Override
	public Collection<Node> getAvailableNodes() {
		if (this.apogySystem != null && this.apogySystem.getTopologyRoot() != null
				&& this.apogySystem.getTopologyRoot().getOriginNode() != null) {
			return ApogyCommonTopologyFacade.INSTANCE.findNodesByType(ApogyCommonTopologyPackage.Literals.NODE,
					this.apogySystem.getTopologyRoot().getOriginNode());
		} else {
			return new ArrayList<Node>();
		}
	}
}