org.eclipse.opencert.sam.arg.diagram/src/org/eclipse/opencert/sam/arg/arg/diagram/part/DiagramEditorContextMenuProvider.java

/*******************************************************************************
 * Copyright (c) 2016 Fundación Tecnalia Research & Innovation.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *   Huascar Espinoza - initial API and implementation
 *   Alejandra Ruíz - initial API and implementation
 *   Idoya Del Río - initial API and implementation
 *   Mari Carmen Palacios - initial API and implementation
 *   Angel López - initial API and implementation
 *******************************************************************************/
package org.eclipse.opencert.sam.arg.arg.diagram.part;

import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gef.EditPartViewer;
import org.eclipse.gmf.runtime.common.ui.services.action.contributionitem.ContributionItemService;
import org.eclipse.gmf.runtime.diagram.ui.actions.ActionIds;
import org.eclipse.gmf.runtime.diagram.ui.providers.DiagramContextMenuProvider;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.ui.IWorkbenchPart;

/**
 * @generated
 */
public class DiagramEditorContextMenuProvider extends
		DiagramContextMenuProvider {

	private final class MenuCreationRunnable implements Runnable {
		private final IMenuManager menu;

		private MenuCreationRunnable(IMenuManager menu) {
			this.menu = menu;
		}

		public void run() {
			ContributionItemService.getInstance().contributeToPopupMenu(
					DiagramEditorContextMenuProvider.this, part);
			menu.remove(ActionIds.ACTION_DELETE_FROM_MODEL);
			menu.appendToGroup("editGroup", deleteAction);
		}
	}

	/**
	 * @generated
	 */
	private IWorkbenchPart part;

	/**
	 * @generated
	 */
	private DeleteElementAction deleteAction;

	/**
	 * @generated
	 */
	public DiagramEditorContextMenuProvider(IWorkbenchPart part,
			EditPartViewer viewer) {
		super(part, viewer);
		this.part = part;
		deleteAction = new DeleteElementAction(part);
		deleteAction.init();
	}

	/**
	 * @generated
	 */
	public void dispose() {
		if (deleteAction != null) {
			deleteAction.dispose();
			deleteAction = null;
		}
		super.dispose();
	}

	/**
	 * @generated
	 */
	public void buildContextMenu(final IMenuManager menu) {
		getViewer().flush();
		try {
			TransactionUtil.getEditingDomain(
					(EObject) getViewer().getContents().getModel())
					.runExclusive(new MenuCreationRunnable(menu));
		} catch (Exception e) {
			ArgDiagramEditorPlugin.getInstance().logError(
					"Error building context menu", e);
		}
	}
}