dk.dtu.imm.esculapauml.gui.topcased.observer.SimulationObserver.java Source code

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Here is the source code for dk.dtu.imm.esculapauml.gui.topcased.observer.SimulationObserver.java

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/******************************************************************************
 * Copyright (c) 2011, 2012 Piotr J. Puczynski (DTU Informatics).
 * 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:
 *    Piotr J. Puczynski (DTU Informatics) - initial API and implementation 
 *    
 ****************************************************************************/
package dk.dtu.imm.esculapauml.gui.topcased.observer;

import java.util.Collection;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.uml2.uml.Transition;
import org.topcased.modeler.editor.Modeler;

import dk.dtu.imm.esculapauml.core.states.SimulationStateObserver;
import dk.dtu.imm.esculapauml.gui.topcased.labelProviders.TransitionLabelProvider;

/**
 * TOPCASED GUI for Esculapa UML choices.
 * 
 * @author Piotr J. Puczynski
 * 
 */
public class SimulationObserver implements SimulationStateObserver {

    private Modeler modeler;

    /**
     * @param modeler
     */
    public SimulationObserver(Modeler modeler) {
        this.modeler = modeler;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * dk.dtu.imm.esculapauml.core.states.SimulationStateObserver#booleanChoice
     * (int, boolean, java.lang.Object)
     */
    @Override
    public boolean booleanChoice(int typeOfDecision, boolean defaultValue, Object data) {
        if (DECISION_TERMINATE_SIMULATION == typeOfDecision) {
            return MessageDialog.openQuestion(modeler.getSite().getShell(), "EsculapaUML simulation",
                    "Number of events exceeded threshold of " + data.toString()
                            + ". Do you want to stop the simulation?");
        }
        return defaultValue;
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * dk.dtu.imm.esculapauml.core.states.SimulationStateObserver#multipleChoice
     * (int, int, java.lang.Object)
     */
    @Override
    public Object multipleChoice(int typeOfDecision, Object defaultValue,
            @SuppressWarnings("rawtypes") Collection data, Object extra) {
        if (DECISION_EXTERNAL_TRANSITION_CHOICE == typeOfDecision) {
            ElementListSelectionDialog dialog = new ElementListSelectionDialog(modeler.getSite().getShell(),
                    new TransitionLabelProvider());
            dialog.setTitle("EsculapaUML: External choice");
            dialog.setMessage("Please, choose transition to take in '"
                    + ((Transition) defaultValue).getContainer().getStateMachine().getLabel() + "' for object '"
                    + extra + "':");
            dialog.setElements(data.toArray());
            dialog.setSize(90, 20);
            dialog.setMultipleSelection(false);
            dialog.setBlockOnOpen(true);
            dialog.open();
            Object result = dialog.getFirstResult();
            if (null != result) {
                return result;
            }
        }
        return defaultValue;
    }

}