bundles/common/org.eclipse.apogy.common.topology.bindings.ui/src/org/eclipse/apogy/common/topology/bindings/ui/parts/BindingsSetPart.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.common.topology.bindings.ui.parts;

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

import org.eclipse.apogy.common.emf.ui.parts.AbstractEObjectSelectionPart;
import org.eclipse.apogy.common.topology.Node;
import org.eclipse.apogy.common.topology.bindings.BindingsSet;
import org.eclipse.apogy.common.topology.bindings.ui.composites.BindingsSetComposite;
import org.eclipse.e4.ui.workbench.modeling.ISelectionListener;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.swt.widgets.Composite;

public abstract class BindingsSetPart extends AbstractEObjectSelectionPart {
	@SuppressWarnings("unused")
	private BindingsSet bindingsSet;
	private BindingsSetComposite bindingsSetComposite;

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

	@Override
	protected void createContentComposite(Composite parent, int style) {
		this.bindingsSetComposite = new BindingsSetComposite(parent, style) {
			@Override
			public Collection<Node> getAvailableNodes() {
				return BindingsSetPart.this.getAvailableNodes();
			}
		};
	}

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

	protected void setBindingsSet(BindingsSet newBindingsSet) {
		this.bindingsSet = newBindingsSet;

		if (this.bindingsSetComposite != null && !this.bindingsSetComposite.isDisposed()) {
			this.bindingsSetComposite.setBindingsSet(newBindingsSet);
		}
	}

	/**
	 * Returns the list of Node available for binding.
	 * 
	 * @return The collection of Node, can be empty, never null.
	 */
	public abstract Collection<Node> getAvailableNodes();
}