UserFunctionDialog.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
#include "DllOption.h"
#include "ui_UserFunctionDialog.h"
 
#include <QMap>
#include <QSet>
 
class QComboBox;
class QLineEdit;
class QTextEdit;
 
namespace MantidQt {
namespace MantidWidgets {
class EXPORT_OPT_MANTIDQT_COMMON UserFunctionDialog : public QDialog {
  Q_OBJECT
 
public:
  UserFunctionDialog(QWidget *parent = nullptr, const QString &formula = "");
  ~UserFunctionDialog() override;
  QStringList categories() const;
  QString getFormula() const { return m_uiForm.teUserFunction->toPlainText(); }
 
private slots:
  void selectCategory(const QString &cat);
  void selectFunction(const QString &fun);
  void addExpression();
  void saveFunction();
  void removeCurrentFunction();
  void updateCategories();
  void updateFunction();
  void helpClicked();
 
private:
  bool eventFilter(QObject *obj, QEvent *ev) override;
 
  void loadFunctions();
  void checkParameters(QString &expr);
  QSet<QString> categoryNames() const;
  QSet<QString> functionNames(const QString &cat) const;
  QString getCurrentCategory() const;
  QString getFunction(const QString &cat, const QString &fun) const;
  QString getComment(const QString &cat, const QString &fun) const;
  void setFunction(const QString &cat, const QString &fun, const QString &expr, const QString &comment = "");
  bool isBuiltin(const QString &cat) const;
  void saveToFile();
 
  Ui::UserFunctionDialog m_uiForm;
 
  QMap<QString, QString> m_funs;
};
 
class InputFunctionNameDialog : public QDialog {
  Q_OBJECT
public:
  InputFunctionNameDialog(QWidget *parent, const QString &category);
  void getFunctionName(QString &category, QString &name, QString &comment);
 
private:
  QComboBox *m_category;
  QLineEdit *m_name;
  QTextEdit *m_comment;
};
} // namespace MantidWidgets
} // namespace MantidQt