cxWorkflowState.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#ifndef CXWORKFLOWSTATE_H_
#define CXWORKFLOWSTATE_H_

#include "cxResourceExport.h"

#include <iostream>
#include <QState>
#include <QStateMachine>
#include <QString>
#include <QAction>
#include "cxTypeConversions.h"
#include "cxRequestEnterStateTransition.h"
#include "boost/shared_ptr.hpp"
#include "cxForwardDeclarations.h"


namespace cx
{

class cxResource_EXPORT WorkflowState: public QState
{
Q_OBJECT

public:
        WorkflowState(QState* parent, QString uid, QString name, CoreServicesPtr services, bool enableAction = true) :
                QState(parent),
                mUid(uid),
                mName(name),
                mAction(NULL),
                mServices(services),
                mEnableAction(enableAction)
        {}

        virtual ~WorkflowState() {}

        virtual void onEntry(QEvent * event);
        virtual void onExit(QEvent * event);

        virtual QString getUid() const { return mUid; }
        virtual QString getName() const { return mName; }

        std::vector<WorkflowState*> getChildStates();
        QAction* createAction(QActionGroup* group);

        virtual void enableAction(bool enable);

signals:
        void aboutToExit();

protected slots:
        void canEnterSlot();
        void setActionSlot();

protected:
        virtual bool canEnter() const = 0;
        virtual QIcon getIcon() const = 0;
        void autoStartHardware();

        QString mUid;
        QString mName;
        QAction* mAction;
        CoreServicesPtr mServices;

private:
        bool mEnableAction;
};

class cxResource_EXPORT ParentWorkflowState: public WorkflowState
{
Q_OBJECT
public:
        ParentWorkflowState(QState* parent, CoreServicesPtr services) :
                                        WorkflowState(parent, "ParentUid", "Parent", services) {}
        virtual ~ParentWorkflowState() {}
        virtual void onEntry(QEvent * event) {}
        virtual void onExit(QEvent * event) {}
        virtual bool canEnter() const { return true; }
        virtual QIcon getIcon() const { return QIcon(""); }
};


}
#endif /* CXWORKFLOWSTATE_H_ */