//  ************************************************************************************************
//
//  BornAgain: simulate and fit reflection and scattering
//
//! @file      GUI/Views/SampleDesigner/SampleEditorController.h
//! @brief     Defines class SampleEditorController
//!
//! @homepage  http://www.bornagainproject.org
//! @license   GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2021
//! @authors   Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
//  ************************************************************************************************

#ifndef BORNAGAIN_GUI_VIEWS_SAMPLEDESIGNER_SAMPLEEDITORCONTROLLER_H
#define BORNAGAIN_GUI_VIEWS_SAMPLEDESIGNER_SAMPLEEDITORCONTROLLER_H

#include <QUndoStack>

class MultiLayerItem;
class MultiLayerForm;
class LayerItem;
class ParticleLayoutItem;
class ParticleCoreShellForm;
class ItemWithParticles;
class MesoCrystalForm;
class LayerForm;
class ParticleCompositionItem;
class DoubleDescriptor;
class UIntDescriptor;
class ItemWithMaterial;
class SelectionContainerForm;
class AbstractSelectionDescriptor;

//! Class to modify a sample from the layer oriented sample editor.
//!
//! Use this class to modify the sample model. It takes care of notifications and creating undo/redo
//! commands.
//! It operates on one MultiLayerItem (which is a sample).
class SampleEditorController : public QObject {
    Q_OBJECT
public:
    SampleEditorController(MultiLayerItem* multi);

    //! Set the current form.
    //!
    //! The form can change e.g. when a different sample gets the current one
    //! in the layer editor. Also nullptr is allowed.
    void setMultiLayerForm(MultiLayerForm* view);

    //! The current form.
    MultiLayerForm* multiLayerForm() const;

    //! The item on which this controller operates.
    MultiLayerItem* multiLayerItem() const;

    //! The contained undo stack.
    QUndoStack* undoStack();

    void addLayer(LayerItem* before);
    void removeLayer(LayerItem* layerItem);
    void addLayout(LayerForm* layerItem);
    void removeLayout(LayerForm* layerItem, ParticleLayoutItem* layout);

    void addParticle(ParticleLayoutItem* layout, const QString& classname);
    void addParticle(ParticleCompositionItem* composition, const QString& classname);
    void setCoreFormFactor(ParticleCoreShellForm* widget, const QString& formFactorModelType);
    void setShellFormFactor(ParticleCoreShellForm* widget, const QString& formFactorModelType);
    void removeParticle(ItemWithParticles* item);
    void setMesoCrystalBasis(MesoCrystalForm* widget, const QString& classname);
    void selectInterference(ParticleLayoutItem* layoutItem, int newIndex);

    void setDouble(double newValue, DoubleDescriptor d);
    void setDoubleFromUndo(double newValue, const QString& path);
    void setInt(int newValue, UIntDescriptor d);

    void setCurrentIndex(SelectionContainerForm* widget, int index,
                         const AbstractSelectionDescriptor& d);

    void selectMaterial(ItemWithMaterial* item, const QString& newMaterialIdentifier);
    void setMaterialValue(ItemWithMaterial* item, double newValue, DoubleDescriptor d);

    void onStartingToMoveLayer();
    void onStoppedToMoveLayer(QWidget* widgetToMove, QWidget* moveAboveThisWidget);

private:
    QUndoStack m_undoStack;
    MultiLayerItem* m_multiLayerItem;
    MultiLayerForm* m_multiLayerForm;
};


#endif // BORNAGAIN_GUI_VIEWS_SAMPLEDESIGNER_SAMPLEEDITORCONTROLLER_H