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// ************************************************************************************************
//
// BornAgain: simulate and fit reflection and scattering
//
//! @file GUI/Model/Tune/FitParameterItem.h
//! @brief Defines classes FitTypeItem FitDoubleItem FitEditableDoubleItem FitParameterItem.
//!
//! @homepage http://www.bornagainproject.org
//! @license GNU General Public License v3 or higher (see COPYING)
//! @copyright Forschungszentrum Jülich GmbH 2018
//! @authors Scientific Computing Group at MLZ (see CITATION, AUTHORS)
//
// ************************************************************************************************
#ifndef BORNAGAIN_GUI_MODEL_TUNE_FITPARAMETERITEM_H
#define BORNAGAIN_GUI_MODEL_TUNE_FITPARAMETERITEM_H
#include "Base/Type/OwningVector.h"
#include "Fit/Param/AttLimits.h"
#include "GUI/Model/Descriptor/ComboProperty.h"
class FitParameterLinkItem;
//! Holds ComboProperty values, accessible from FitparameterModel.
class FitTypeItem : public QObject {
Q_OBJECT
public:
explicit FitTypeItem(const ComboProperty& type, QObject* parent = nullptr);
const ComboProperty& type() const { return m_type; }
void setType(const ComboProperty& c) { m_type = c; }
void writeTo(QXmlStreamWriter* w) const;
void readFrom(QXmlStreamReader* r);
private:
ComboProperty m_type;
};
//! Holds a floating-point variable, accessible from FitparameterModel.
class FitDoubleItem : public QObject {
Q_OBJECT
public:
explicit FitDoubleItem(double value, QObject* parent = nullptr);
double value() const { return m_value; }
void setDVal(double value) { m_value = value; }
const RealLimits& limits() const { return m_limits; }
void setLimits(const RealLimits& l) { m_limits = l; }
int decimals() const { return m_decimals; }
void setDecimals(int v) { m_decimals = v; }
virtual void writeTo(QXmlStreamWriter* w) const;
virtual void readFrom(QXmlStreamReader* r);
private:
double m_value;
int m_decimals; // no need to save/load
RealLimits m_limits; // no need to save/load
};
//! Holds floating-point variables which can be enabled or disabled, accessible from
//! FitparameterModel
class FitEditableDoubleItem : public FitDoubleItem {
public:
explicit FitEditableDoubleItem(double value, bool isEnabled, QObject* parent = nullptr);
bool isEnabled() const { return m_is_enabled; }
void setEnabled(bool b) { m_is_enabled = b; }
void writeTo(QXmlStreamWriter* w) const override;
void readFrom(QXmlStreamReader* r) override;
private:
bool m_is_enabled;
};
//! Represents a fit parameter in GUI. Contains links to corresponding ParameterItems in a tuning
//! tree.
class FitParameterItem : public QObject {
Q_OBJECT
public:
explicit FitParameterItem(QObject* parent = nullptr);
void initMinMaxValues(const RealLimits& limits);
AttLimits attLimits() const;
bool isValid() const;
QString displayName() const { return m_display_name; }
void setDisplayName(QString displayName);
double startValue() const;
void setStartValue(double start_value);
QObject* startValueItem() const;
double minimum() const;
void setMinimum(double minimum);
QObject* minimumItem() const;
double maximum() const;
void setMaximum(double maximum);
QObject* maximumItem() const;
FitParameterLinkItem* addLinkItem(const QString& title, const QString& link);
void removeLink(const QString& link);
QVector<FitParameterLinkItem*> linkItems() const;
QStringList links() const;
void setTypeCombo(const ComboProperty& type);
QString currentType() const;
QObject* typeItem() const;
void writeTo(QXmlStreamWriter* w) const;
void readFrom(QXmlStreamReader* r);
private:
void onTypeChange();
void setLimitEnabled(FitEditableDoubleItem* propertyItem, bool enabled);
bool isLimited() const;
bool isFree() const;
bool isLowerLimited() const;
bool isUpperLimited() const;
bool isFixed() const;
QString m_display_name;
std::unique_ptr<FitTypeItem> m_type_item;
std::unique_ptr<FitDoubleItem> m_start_value_item;
std::unique_ptr<FitEditableDoubleItem> m_min_item;
std::unique_ptr<FitEditableDoubleItem> m_max_item;
OwningVector<FitParameterLinkItem> m_links;
};
#endif // BORNAGAIN_GUI_MODEL_TUNE_FITPARAMETERITEM_H
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