Aadl2OutlinePage.java

/**
 * Copyright (c) 2004-2025 Carnegie Mellon University and others. (see Contributors file). 
 * All Rights Reserved.
 * 
 * NO WARRANTY. ALL MATERIAL IS FURNISHED ON AN "AS-IS" BASIS. CARNEGIE MELLON UNIVERSITY MAKES NO WARRANTIES OF ANY
 * KIND, EITHER EXPRESSED OR IMPLIED, AS TO ANY MATTER INCLUDING, BUT NOT LIMITED TO, WARRANTY OF FITNESS FOR PURPOSE
 * OR MERCHANTABILITY, EXCLUSIVITY, OR RESULTS OBTAINED FROM USE OF THE MATERIAL. CARNEGIE MELLON UNIVERSITY DOES NOT
 * MAKE ANY WARRANTY OF ANY KIND WITH RESPECT TO FREEDOM FROM PATENT, TRADEMARK, OR COPYRIGHT INFRINGEMENT.
 * 
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 * SPDX-License-Identifier: EPL-2.0
 * 
 * Created, in part, with funding and support from the United States Government. (see Acknowledgments file).
 * 
 * This program includes and/or can make use of certain third party source code, object code, documentation and other
 * files ("Third Party Software"). The Third Party Software that is used by this program is dependent upon your system
 * configuration. By using this program, You agree to comply with any and all relevant Third Party Software terms and
 * conditions contained in any such Third Party Software or separate license file distributed with such Third Party
 * Software. The parties who own the Third Party Software ("Third Party Licensors") are intended third party benefici-
 * aries to this license with respect to the terms applicable to their Third Party Software. Third Party Software li-
 * censes only apply to the Third Party Software and not any other portion of this program or this program as a whole.
 */
package org.osate.xtext.aadl2.ui.outline;

import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.part.IPageSite;
import org.eclipse.xtext.ui.editor.outline.impl.OutlinePage;

public class Aadl2OutlinePage extends OutlinePage {

	private Menu contextMenu;
	private static final String contextMenuID = "Aadl2OutlineContextMenu";

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.xtext.ui.editor.outline.impl.OutlinePage#createC
	 * ontrol(org.eclipse.swt.widgets.Composite)
	 */
	@Override
	public void createControl(Composite parent) {
		super.createControl(parent);

		configureContextMenu();
	}

	@Override
	protected void configureContextMenu() {
		MenuManager manager = new MenuManager(contextMenuID, contextMenuID);
		manager.setRemoveAllWhenShown(true);
		manager.addMenuListener(new IMenuListener() {
			@Override
			public void menuAboutToShow(IMenuManager manager) {
				fillContextMenu(manager);
			}
		});
		contextMenu = manager.createContextMenu(getTreeViewer().getTree());
		getTreeViewer().getTree().setMenu(contextMenu);

		IPageSite site = getSite();
		site.registerContextMenu("org.osate.xtext.aadl2.ui.outline", manager, getTreeViewer()); //$NON-NLS-1$
	}

	protected void fillContextMenu(IMenuManager menu) {
		menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see org.eclipse.xtext.ui.editor.outline.impl.OutlinePage#getDefa
	 * ultExpansionLevel()
	 */
	@Override
	protected int getDefaultExpansionLevel() {
		return 2;
	}

}