/***************************************************************************
**
** Copyright (C) 2015 Jochen Becher
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
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** accordance with the commercial license agreement provided with the
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** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
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****************************************************************************/

#ifndef QMT_DUPDATEVISITOR_H
#define QMT_DUPDATEVISITOR_H

#include "qmt/model/mconstvisitor.h"
#include "qmt/infrastructure/qmt_global.h"

namespace qmt {

class DElement;

class QMT_EXPORT DUpdateVisitor : public MConstVisitor
{
public:
    DUpdateVisitor(DElement *target, const MDiagram *diagram, bool checkNeedsUpdate = false);

    bool isUpdateNeeded() const { return m_isUpdateNeeded; }
    void setCheckNeedsUpdate(bool checkNeedsUpdate);

    void visitMElement(const MElement *element) override;
    void visitMObject(const MObject *object) override;
    void visitMPackage(const MPackage *package) override;
    void visitMClass(const MClass *klass) override;
    void visitMComponent(const MComponent *component) override;
    void visitMDiagram(const MDiagram *diagram) override;
    void visitMCanvasDiagram(const MCanvasDiagram *diagram) override;
    void visitMItem(const MItem *item) override;
    void visitMRelation(const MRelation *relation) override;
    void visitMDependency(const MDependency *dependency) override;
    void visitMInheritance(const MInheritance *inheritance) override;
    void visitMAssociation(const MAssociation *association) override;

private:
    bool isUpdating(bool valueChanged);

    DElement *m_target;
    const MDiagram *m_diagram;
    bool m_checkNeedsUpdate;
    bool m_isUpdateNeeded;
};

} // namespace qmt

#endif // QMT_DUPDATEVISITOR_H