// $Id: ActionAddClassifierRoleBase.java,v 1.10 2004/09/16 20:50:52 mvw Exp $
// Copyright (c) 1996-99 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies.  This software program and
// documentation are copyrighted by The Regents of the University of
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// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
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// $Id: ActionAddClassifierRoleBase.java,v 1.10 2004/09/16 20:50:52 mvw Exp $
package org.argouml.uml.ui.behavior.collaborations;

import java.util.Vector;

import org.argouml.i18n.Translator;
import org.argouml.model.ModelFacade;
import org.argouml.model.uml.behavioralelements.collaborations.CollaborationsHelper;
import org.argouml.uml.ui.AbstractActionAddModelElement;

/**
 * @since Oct 3, 2002
 * @author jaap.branderhorst@xs4all.nl
 * @stereotype singleton
 */
public class ActionAddClassifierRoleBase extends AbstractActionAddModelElement {

    /**
     * The one and only instance of this class.
     */
    public static final ActionAddClassifierRoleBase SINGLETON =
	new ActionAddClassifierRoleBase();
    /**
     * Constructor for ActionAddClassifierRoleBase.
     */
    protected ActionAddClassifierRoleBase() {
        super();
    }

    /**
     * @see org.argouml.uml.ui.AbstractActionAddModelElement#getChoices()
     */
    protected Vector getChoices() {
        Vector vec = new Vector();
        vec.addAll(CollaborationsHelper.getHelper()
                .getAllPossibleBases(getTarget()));
        return vec;
    }

    /**
     * @see org.argouml.uml.ui.AbstractActionAddModelElement#getSelected()
     */
    protected Vector getSelected() {
        Vector vec = new Vector();
        vec.addAll(ModelFacade.getBases(getTarget()));
        return vec;
    }

    /**
     * @see org.argouml.uml.ui.AbstractActionAddModelElement#getDialogTitle()
     */
    protected String getDialogTitle() {
        return Translator.localize("UMLMenu", "dialog.title.add-bases");
    }

    /**
     * @see
     * org.argouml.uml.ui.AbstractActionAddModelElement#doIt(java.util.Vector)
     */
    protected void doIt(Vector selected) {
        Object role = /*(MClassifierRole)*/ getTarget();
        CollaborationsHelper.getHelper().setBases(role, selected);
    }
        

}