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/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   copyright (C) 2002-2006                                               *
 *   Umbrello UML Modeller Authors <uml-devel@uml.sf.net>                  *
 ***************************************************************************/

#ifndef USECASEWIDGET_H
#define USECASEWIDGET_H
#include "umlwidget.h"

#define UC_MARGIN 5
#define UC_WIDTH 60
#define UC_HEIGHT 30


class UMLUseCase;

/**
 * This class is the graphical version of a UMLUseCase.  A UseCaseWidget is created
 * by a @ref UMLView.  An UseCaseWidget belongs to only one @ref UMLView instance.
 * When the @ref UMLView instance that this class belongs to, it will be automatically deleted.
 *
 * If the @ref UseCase class that this UseCaseWidget is displaying is deleted, the @ref UMLView will
 * make sure that this instance is also deleted.
 *
 * The UseCaseWidget class inherits from the @ref UMLWidget class which adds most of the functionality
 * to this class.
 *
 * @short  A graphical version of a UMLUseCase.
 * @author Paul Hensgen <phensgen@techie.com>
 * Bugs and comments to uml-devel@lists.sf.net or http://bugs.kde.org
 */
class UseCaseWidget : public UMLWidget {
public:

    /**
     *  Creates a UseCase widget.
     *
     *  @param  view            The parent of the widget.
     *  @param  o               The UMLObject to represent.
     */
    UseCaseWidget(UMLView * view, UMLUseCase *o);


    /**
     *  destructor
     */
    virtual ~UseCaseWidget();

    /**
    *   Overrides the standard paint event.
    */
    void draw(TQPainter & p, int offsetX, int offsetY);

    /**
    *   Saves this UseCase to file.
    */
    void saveToXMI( TQDomDocument & qDoc, TQDomElement & qElement );

    // For loading we can use the loadFromXMI() inherited from UMLWidget.

protected:
    /**
     * Overrides method from UMLWidget
     */
    TQSize calculateSize();
};

#endif