bundles/org.simantics.diagram/src/org/simantics/diagram/contribution/WritingDiagramDynamicMenuContribution.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.diagram.contribution;
  13
  14 import org.simantics.db.Session;
  15 import org.simantics.db.WriteGraph;
  16 import org.simantics.db.common.request.WriteRequest;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.g2d.canvas.ICanvasContext;
  19 import org.simantics.utils.ui.ExceptionUtils;
  20
  21
  22 /**
  23  * @author Antti Villberg
  24  */
  25 abstract public class WritingDiagramDynamicMenuContribution<T> extends DiagramDynamicMenuContribution<T> {
  26
  27     @Override
  28     protected void perform(Session session, ICanvasContext context, final T input) {
  29
  30         try {
  31                 session.syncRequest(new WriteRequest() {
  32                         @Override
  33                         public void perform(WriteGraph graph) throws DatabaseException {
  34                                 WritingDiagramDynamicMenuContribution.this.perform(graph, input);
  35                         }
  36                 });
  37         } catch (DatabaseException e) {
  38                 ExceptionUtils.logError(e);
  39         }
  40
  41         }
  42
  43     abstract protected void perform(WriteGraph graph, T input) throws DatabaseException;
  44
  45
  46 }