File indexing completed on 2024-04-14 03:40:44

 /*
     KmPlot - a math. function plotter for the KDE-Desktop
 
     SPDX-FileCopyrightText: 2006 David Saxton <david@bluehaze.org>
 
     This file is part of the KDE Project.
     KmPlot is part of the KDE-EDU Project.
 
     SPDX-License-Identifier: GPL-2.0-or-later
 
 */
 
 #ifndef INITIALCONDITIONSEDITOR_H
 #define INITIALCONDITIONSEDITOR_H
 
 #include "function.h"
 
 #include <QAbstractTableModel>
 #include <QItemDelegate>
 #include <QTableView>
 
 class DifferentialStates;
 class EquationEdit;
 class Function;
 class InitialConditionsEditor;
 
 class InitialConditionsModel : public QAbstractTableModel
 {
 public:
     explicit InitialConditionsModel(InitialConditionsEditor *parent);
 
     int rowCount(const QModelIndex &parent) const Q_DECL_OVERRIDE;
     int columnCount(const QModelIndex &parent) const Q_DECL_OVERRIDE;
     QVariant data(const QModelIndex &index, int role) const Q_DECL_OVERRIDE;
     QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
     bool setData(const QModelIndex &index, const QVariant &value, int role) Q_DECL_OVERRIDE;
     Qt::ItemFlags flags(const QModelIndex &index) const Q_DECL_OVERRIDE;
     bool insertRows(int position, int rows, const QModelIndex &index = QModelIndex()) Q_DECL_OVERRIDE;
     bool removeRows(int position, int rows, const QModelIndex &index = QModelIndex()) Q_DECL_OVERRIDE;
 
 protected:
     InitialConditionsEditor *m_parent;
 
     friend class InitialConditionsEditor;
 };
 
 class InitialConditionsView : public QTableView
 {
 public:
     explicit InitialConditionsView(QWidget *parent);
 };
 
 class InitialConditionsDelegate : public QItemDelegate
 {
     Q_OBJECT
 
 public:
     explicit InitialConditionsDelegate(InitialConditionsEditor *parent);
 
     QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index) const Q_DECL_OVERRIDE;
     void setEditorData(QWidget *editor, const QModelIndex &index) const Q_DECL_OVERRIDE;
     void setModelData(QWidget *editor, QAbstractItemModel *model, const QModelIndex &index) const Q_DECL_OVERRIDE;
     void updateEditorGeometry(QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index) const Q_DECL_OVERRIDE;
 
 protected slots:
     void equationEditDone();
 
 protected:
     InitialConditionsEditor *m_parent;
     mutable EquationEdit *m_lastEditor;
 };
 
 #include "ui_initialconditionswidget.h"
 
 class InitialConditionsEditor : public QWidget, public Ui::InitialConditionsWidget
 {
     Q_OBJECT
 
 public:
     explicit InitialConditionsEditor(QWidget *parent);
 
     /**
      * Initializes the list from the given states in \p function
      */
     void init(Function *function);
     /**
      * Changes the order of the differential equation.
      */
     void setOrder(int order);
     /**
      * \return the current function.
      */
     DifferentialStates *differentialStates()
     {
         return &m_states;
     }
     /**
      * \return the equation currently in use. Use differentialStates
      * for accessing the DifferentialStates instead of through equation,
      * however, since the DifferentialStates in equation will be
      * overwritten after saving via function editor.
      */
     Equation *equation() const
     {
         return m_equation;
     }
 
 signals:
     void dataChanged();
 
 public slots:
     /**
      * For differential equations, add an initial condition.
      */
     void add();
     /**
      * For differential equations, remove the selected initial condition.
      */
     void remove();
 
 protected:
     InitialConditionsModel *m_model;
     Equation *m_equation;
     DifferentialStates m_states;
 };
 
 #endif // INITIALCONDITIONSEDITOR_H