CalculateTokensHandler.java :  » UML » model-analysis-framework » de » uniAugsburg » MAF » dfa » jwt » ui » token » toolbar » Java Open Source

/**
 * File: EvaluateHandler.java Created: 30.07.2009
 * 
 * /****************************************************************************
 * *** Copyright (c) 2009-2010 University of Augsburg, Germany <www.ds-lab.org>
 * 
 * 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: Christian Saad, Programming distributed Systems Lab, University
 * of Augsburg - initial API and implementation
 *******************************************************************************/
package de.uniAugsburg.MAF.dfa.jwt.ui.token.toolbar;

import java.util.Set;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.jwt.meta.model.processes.Activity;
import org.eclipse.jwt.we.misc.util.GeneralHelper;

import de.uniAugsburg.MAF.dfa.jwt.JWTAnalysis;
import de.uniAugsburg.MAF.dfa.jwt.ui.UIVisualizerHelper;
import de.uniAugsburg.MAF.dfa.jwt.ui.toolbar.VisualizationHandler;
import de.uniAugsburg.MAF.dfa.jwt.util.ErrorDisplay;


public class CalculateTokensHandler extends AbstractHandler
{

  /*
   * (non-Javadoc)
   * 
   * @seeorg.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.
   * commands. ExecutionEvent)
   */
  public Object execute(ExecutionEvent event) throws ExecutionException
  {
    try
    {
      if (GeneralHelper.getActiveInstance()
          .getPageText(GeneralHelper.getActiveInstance().getActivePage()).contains("["))
      {
        ErrorDisplay
            .displayErrorString("analysis cannot be performed on virtual activities");

        return null;
      }

      Set<Object> selectedActivitySet = UIVisualizerHelper.getSelectedActivity();
      if (selectedActivitySet == null)
        return null;

      UIVisualizerHelper.closeOldActivities((Activity) selectedActivitySet.iterator().next());

      ResourceSet rS = GeneralHelper.getActiveInstance().getDisplayedActivityModel()
          .eResource().getResourceSet();

      boolean visualize = VisualizationHandler.visualization;

      JWTAnalysis.getInstance().analyze(rS, JWTAnalysis.ANALYSIS_TF_TOKEN, visualize);
    }
    catch (Exception e)
    {
      ErrorDisplay.displayException(e);
    }

    return null;
  }

}