activitywidget.h

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/*
    SPDX-License-Identifier: GPL-2.0-or-later
    SPDX-FileCopyrightText: 2002-2021 Umbrello UML Modeller Authors <umbrello-devel@kde.org>
*/

#ifndef ACTIVITYWIDGET_H
#define ACTIVITYWIDGET_H

#include "umlwidget.h"
#include "worktoolbar.h"

#define ACTIVITY_MARGIN 5
#define ACTIVITY_WIDTH 30
#define ACTIVITY_HEIGHT 10

class ActivityWidget : public UMLWidget
{
    Q_OBJECT
    Q_ENUMS(ActivityType)
public:
    enum ActivityType
    {
        Initial = 0,
        Normal,
        End,
        Final,
        Branch,
        Invok,
        Param
    };

    explicit ActivityWidget(UMLScene * scene, ActivityType activityType = Normal, Uml::ID::Type id = Uml::ID::None);
    virtual ~ActivityWidget();

    ActivityType activityType() const;
    QString activityTypeStr() const;
    void setActivityType(ActivityType activityType);

    static bool isActivity(WorkToolBar::ToolBar_Buttons tbb,
                            ActivityType& resultType);

    QString preconditionText() const;
    void setPreconditionText(const QString&);

    QString postconditionText() const;
    void setPostconditionText(const QString&);

    virtual bool showPropertiesDialog();
    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr);
    virtual void moveWidgetBy(qreal diffX, qreal diffY);

    virtual bool loadFromXMI(QDomElement & qElement);
    virtual void saveToXMI(QXmlStreamWriter& writer);

    void constrain(qreal& width, qreal& height);

Q_SIGNALS:
    void sigActMoved(qreal diffX, qreal diffY);

public Q_SLOTS:
    virtual void slotMenuSelection(QAction* action);

protected:
    virtual QSizeF minimumSize() const;
    virtual QSizeF maximumSize();

    ActivityType m_activityType; 

    QString m_preconditionText;
    QString m_postconditionText;
};

#endif