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

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