plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/part/DiagramEditorContextMenuProvider.java

/*
 * Copyright (c) 2010, 2012 Eike Stepper (Berlin, Germany) and others.
 * 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:
 *     Martin Fluegge - initial API and implementation
 *
 */
package org.eclipse.emf.cdo.dawn.examples.acore.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
{

  /**
   * @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()
      {

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