Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/ui/behavior/activity_graphs/ActionAddEventAsTrigger.java
// $Id: ActionAddEventAsTrigger.java 13828 2007-11-23 23:53:04Z tfmorris $
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package org.argouml.uml.ui.behavior.activity_graphs;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.argouml.i18n.Translator;
import org.argouml.model.Model;
import org.argouml.uml.ui.AbstractActionAddModelElement2;

/**
 * Provide a dialog which helps the user to select one event out of an existing
 * list, which will be used as the trigger of the transition.
 * 
 * @author MarkusK
 * 
 */
public class ActionAddEventAsTrigger extends AbstractActionAddModelElement2 {

    /**
     * The one and only instance of this class.
     */
    public static final ActionAddEventAsTrigger SINGLETON =
        new ActionAddEventAsTrigger();

    /**
     * Constructor for ActionAddClassifierRoleBase.
     */
    protected ActionAddEventAsTrigger() {
        super();
        setMultiSelect(false);
    }


    protected List getChoices() {
        List vec = new ArrayList();
        // TODO: the namespace of created events is currently the model. 
        // I think this is wrong, they should be
        // in the namespace of the activitygraph!
//        vec.addAll(Model.getModelManagementHelper().getAllModelElementsOfKind(
//                Model.getFacade().getNamespace(getTarget()),
//                Model.getMetaTypes().getEvent()));
        vec.addAll(Model.getModelManagementHelper().getAllModelElementsOfKind(
                Model.getFacade().getModel(getTarget()),
                Model.getMetaTypes().getEvent()));

        return vec;
    }


    protected List getSelected() {
        List vec = new ArrayList();
        Object trigger = Model.getFacade().getTrigger(getTarget());
        if (trigger != null)
            vec.add(trigger);
        return vec;
    }


    protected String getDialogTitle() {
        return Translator.localize("dialog.title.add-events");
    }


    @Override
    protected void doIt(Collection selected) {
        Object trans = getTarget();
        if (selected == null || selected.size() == 0) {
            Model.getStateMachinesHelper().setEventAsTrigger(trans, null);
        } else {
            Model.getStateMachinesHelper().setEventAsTrigger(trans,
                    selected.iterator().next());
        }
    }

}
