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/********************************************************************************************

/********************************************************************************************

**    iLand - an individual based forest landscape and disturbance model

**    iLand - an individual based forest landscape and disturbance model

**    http://iland.boku.ac.at

**    http://iland.boku.ac.at

**    Copyright (C) 2009-  Werner Rammer, Rupert Seidl

**    Copyright (C) 2009-  Werner Rammer, Rupert Seidl

**

**

**    This program is free software: you can redistribute it and/or modify

**    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

**    it under the terms of the GNU General Public License as published by

**    the Free Software Foundation, either version 3 of the License, or

**    the Free Software Foundation, either version 3 of the License, or

**    (at your option) any later version.

**    (at your option) any later version.

**

**

**    This program is distributed in the hope that it will be useful,

**    This program is distributed in the hope that it will be useful,

**    but WITHOUT ANY WARRANTY; without even the implied warranty of

**    but WITHOUT ANY WARRANTY; without even the implied warranty of

**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

**    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

**    GNU General Public License for more details.

**    GNU General Public License for more details.

**

**

**    You should have received a copy of the GNU General Public License

**    You should have received a copy of the GNU General Public License

**    along with this program.  If not, see <http://www.gnu.org/licenses/>.

**    along with this program.  If not, see <http://www.gnu.org/licenses/>.

********************************************************************************************/

********************************************************************************************/

#ifndef MODELCONTROLLER_H

#ifndef MODELCONTROLLER_H

#define MODELCONTROLLER_H

#define MODELCONTROLLER_H

#include <QObject>

#include <QObject>

#include <QHash>

#include <QHash>

#include "grid.h"

#include "grid.h"

#include "layeredgrid.h"

#include "layeredgrid.h"

class Model;

class Model;

class MainWindow;

class MainWindow;

class MapGrid;

class MapGrid;

class Species;

class Species;

class ModelController: public QObject

class ModelController: public QObject

{

{

    Q_OBJECT

    Q_OBJECT

public:

public:

    ModelController();

    ModelController();

    ~ModelController();

    ~ModelController();

    void setMainWindow(MainWindow *mw) { mViewerWindow = mw; }

    void setMainWindow(MainWindow *mw) { mViewerWindow = mw; }

    MainWindow *mainWindow() { return mViewerWindow; }

    MainWindow *mainWindow() { return mViewerWindow; }

    void connectSignals(); // connect signal/slots to the main window if available

    void connectSignals(); // connect signal/slots to the main window if available

    Model *model() const { return mModel; }

    Model *model() const { return mModel; }

    // bool checkers...

    // bool checkers...

    bool canCreate(); ///< return true if the model can be created (settings loaded and model does not exist)

    bool canCreate(); ///< return true if the model can be created (settings loaded and model does not exist)

    bool canDestroy(); ///< model may be destroyed

    bool canDestroy(); ///< model may be destroyed

    bool canRun(); ///< model may be run

    bool canRun(); ///< model may be run

    bool isRunning(); ///< model is running

    bool isRunning(); ///< model is running

    bool isFinished(); ///< returns true if there is a valid model state, but the run is finished

    bool isFinished(); ///< returns true if there is a valid model state, but the run is finished

    bool isPaused(); ///< returns true if the model is currently paused

    bool isPaused(); ///< returns true if the model is currently paused

    bool hasError() { return mHasError; } ///< returns true if an error occured during the last operation

    bool hasError() { return mHasError; } ///< returns true if an error occured during the last operation

    QString lastError() { return mLastError; } ///< error message of the last received error

    QString lastError() { return mLastError; } ///< error message of the last received error

    // simulation length

    // simulation length

    int currentYear() const; ///< return current year of the model

    int currentYear() const; ///< return current year of the model

    int totalYears() const { return mYearsToRun; } ///< returns total number of years to simulate

    int totalYears() const { return mYearsToRun; } ///< returns total number of years to simulate

    // error handling

    // error handling

    void throwError(const QString msg);

    void throwError(const QString msg);

    // dynamic outputs (variable fields)

    // dynamic outputs (variable fields)

    void setDynamicOutputEnabled(bool enabled) { mDynamicOutputEnabled = enabled; }

    void setDynamicOutputEnabled(bool enabled) { mDynamicOutputEnabled = enabled; }

    void setupDynamicOutput(QString fieldList);

    void setupDynamicOutput(QString fieldList);

    QString dynamicOutput();

    QString dynamicOutput();

    // some informational services

    // some informational services

    QList<const Species *> availableSpecies();

    QList<const Species *> availableSpecies();

    void setLoadedJavascriptFile(QString filename) { mLastLoadedJSFile = filename; }

    void setLoadedJavascriptFile(QString filename) { mLastLoadedJSFile = filename; }

    QString loadedJavascriptFile() const { return mLastLoadedJSFile; }

    QString loadedJavascriptFile() const { return mLastLoadedJSFile; }

    void saveScreenshot(QString file_name); ///< saves a screenshot of the central view widget to 'file_name'

    void saveScreenshot(QString file_name); ///< saves a screenshot of the central view widget to 'file_name'

    void addGrid(const FloatGrid *grid, const QString &name, const GridViewType view_type, double min_value, double max_value);

    void addGrid(const FloatGrid *grid, const QString &name, const GridViewType view_type, double min_value, double max_value);

    void paintMap(MapGrid *map, double min_value, double max_value);

    void paintMap(MapGrid *map, double min_value, double max_value);

    void addLayers(const LayeredGridBase *layers, const QString &name);

    void addLayers(const LayeredGridBase *layers, const QString &name);

    void removeLayers(const LayeredGridBase *layers);

    void removeLayers(const LayeredGridBase *layers);

    void setViewport(QPointF center_point, double scale_px_per_m);

    void setViewport(QPointF center_point, double scale_px_per_m);

    void setUIShortcuts(QVariantMap shortcuts);

    void setUIShortcuts(QVariantMap shortcuts);

signals:

signals:

    void finished(QString errorMessage); ///< model has finished run (errorMessage is empty in case of success)

    void finished(QString errorMessage); ///< model has finished run (errorMessage is empty in case of success)

    void year(int year); ///< signal indicating a year of the simulation has been processed

    void year(int year); ///< signal indicating a year of the simulation has been processed

    void bufferLogs(bool do_buffer); ///< signal indicating that logs should be buffered (true, model run mode) or that buffering should stop (false) for "interactive" mode

    void bufferLogs(bool do_buffer); ///< signal indicating that logs should be buffered (true, model run mode) or that buffering should stop (false) for "interactive" mode

    void stateChanged(); ///< is emitted when model started/stopped/paused

    void stateChanged(); ///< is emitted when model started/stopped/paused

public slots:

public slots:

    void setFileName(QString initFileName); ///< set project file name

    void setFileName(QString initFileName); ///< set project file name

    void create(); ///< create the model

    void create(); ///< create the model

    void destroy(); ///< delete the model

    void destroy(); ///< delete the model

    void run(int years); ///< run the model

    void run(int years); ///< run the model

    bool runYear(); ///< runs a single time step

    bool runYear(); ///< runs a single time step

    bool pause(); ///< pause execution, and if paused, continue to run. returns state *after* change, i.e. true=now in paused mode

    bool pause(); ///< pause execution, and if paused, continue to run. returns state *after* change, i.e. true=now in paused mode

    bool continueRun(); ///< continues execution if simulation was paused

    bool continueRun(); ///< continues execution if simulation was paused

    void cancel(); ///< cancel execution of the model

    void cancel(); ///< cancel execution of the model

    void repaint(); ///< force a repaint of the main drawing window

    void repaint(); ///< force a repaint of the main drawing window

private slots:

private slots:

    void runloop();

    void runloop();

private:

private:

    bool internalRun(); ///< runs the main loop

    bool internalRun(); ///< runs the main loop

    void internalStop(); ///< save outputs, stop the model execution

    void internalStop(); ///< save outputs, stop the model execution

    void fetchDynamicOutput(); ///< execute the dynamic output and fetch data

    void fetchDynamicOutput(); ///< execute the dynamic output and fetch data

    void saveDebugOutputs(); ///< save debug outputs to file

    void saveDebugOutputs(); ///< save debug outputs to file

    MainWindow *mViewerWindow;

    MainWindow *mViewerWindow;

    Model *mModel;

    Model *mModel;

    bool mPaused;

    bool mPaused;

    bool mRunning;

    bool mRunning;

    bool mFinished;

    bool mFinished;

    bool mCanceled;

    bool mCanceled;

    bool mHasError;

    bool mHasError;

    QString mLastError;

    QString mLastError;

    int mYearsToRun;

    int mYearsToRun;

    QString mInitFile;

    QString mInitFile;

    bool mDynamicOutputEnabled;

    bool mDynamicOutputEnabled;

    QStringList mDynFieldList;

    QStringList mDynFieldList;

    QStringList mDynData;

    QStringList mDynData;

    QString mLastLoadedJSFile;

    QString mLastLoadedJSFile;

};

};

#endif // MODELCONTROLLER_H

#endif // MODELCONTROLLER_H