bundles/org.simantics.team.ui/src/org/simantics/team/ui/handlers/InitUndoListFromSelectedRevisionHandler.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.team.ui.handlers;
  13
  14 import org.eclipse.core.commands.AbstractHandler;
  15 import org.eclipse.core.commands.ExecutionEvent;
  16 import org.eclipse.core.commands.ExecutionException;
  17 import org.eclipse.jface.viewers.ISelection;
  18 import org.eclipse.jface.viewers.IStructuredSelection;
  19 import org.eclipse.ui.handlers.HandlerUtil;
  20 import org.simantics.db.common.utils.Logger;
  21 import org.simantics.team.ui.Command;
  22
  23 public class InitUndoListFromSelectedRevisionHandler extends AbstractHandler {
  24     public InitUndoListFromSelectedRevisionHandler() {
  25     }
  26     @Override
  27     public Object execute(ExecutionEvent event) throws ExecutionException {
  28         ISelection sel = HandlerUtil.getCurrentSelection(event);
  29         if (sel instanceof IStructuredSelection) {
  30             IStructuredSelection ss = (IStructuredSelection)sel;
  31             try {
  32                 Object o = ss.getFirstElement();
  33                 if (null != o && o instanceof Command)
  34                     ((Command)o).initUndoListFromSelectedRevision();
  35           } catch (Exception e) {
  36               Logger.defaultLogError(e);
  37           }
  38         }
  39         return null;
  40     }
  41 }