examples/org.eclipse.sphinx.examples.hummingbird20.diagram.gmf/src/org/eclipse/sphinx/examples/hummingbird20/diagram/gmf/part/DiagramEditorContextMenuProvider.java

/**
 * <copyright>
 * 
 * Copyright (c) 2013 itemis and others.
 * 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
 * 
 * Contributors: 
 *     itemis - Initial API and implementation
 * 
 * </copyright>
 */
package org.eclipse.sphinx.examples.hummingbird20.diagram.gmf.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 {

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

	/**
	 * @generated
	 */
	@Override
	public void buildContextMenu(final IMenuManager menu) {
		getViewer().flush();
		try {
			TransactionUtil.getEditingDomain((EObject) getViewer().getContents().getModel()).runExclusive(new Runnable() {

				@Override
				public void run() {
					ContributionItemService.getInstance().contributeToPopupMenu(DiagramEditorContextMenuProvider.this, part);
					menu.remove(ActionIds.ACTION_DELETE_FROM_MODEL);
					menu.appendToGroup("editGroup", deleteAction);
				}
			});
		} catch (Exception e) {
			Hummingbird20DiagramEditorPlugin.getInstance().logError("Error building context menu", e);
		}
	}
}