110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef OJPROBLEMSETMODEL_H
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#define OJPROBLEMSETMODEL_H
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#include <QAbstractTableModel>
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#include <memory>
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#include "../problems/ojproblemset.h"
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class OJProblemModel: public QAbstractTableModel {
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Q_OBJECT
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public:
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explicit OJProblemModel(QObject *parent = nullptr);
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const POJProblem &problem() const;
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void setProblem(const POJProblem &newProblem);
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void addCase(POJProblemCase problemCase);
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void removeCase(int index);
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void removeCases();
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POJProblemCase getCase(int index);
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POJProblemCase getCaseById(const QString& id);
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int getCaseIndexById(const QString& id);
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void clear();
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int count();
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void update(int row);
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QString getTitle();
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QString getTooltip();
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private:
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POJProblem mProblem;
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int mMoveTargetRow;
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// QAbstractItemModel interface
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public:
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int rowCount(const QModelIndex &parent) const override;
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QVariant data(const QModelIndex &index, int role) const override;
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bool setData(const QModelIndex &index, const QVariant &value, int role) override;
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// QAbstractItemModel interface
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public:
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int columnCount(const QModelIndex &parent) const override;
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QVariant headerData(int section, Qt::Orientation orientation, int role) const override;
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// QAbstractItemModel interface
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public:
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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Qt::DropActions supportedDropActions() const override;
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bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
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bool insertRows(int row, int count, const QModelIndex &parent) override;
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bool removeRows(int row, int count, const QModelIndex &parent) override;
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};
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class OJProblemSetModel : public QAbstractListModel
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{
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Q_OBJECT
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public:
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explicit OJProblemSetModel(QObject *parent = nullptr);
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void clear();
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int count();
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void create(const QString& name);
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void rename(const QString& newName);
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QString name() const;
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QString exportFilename() const;
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void addProblem(const POJProblem& problem);
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void addProblems(const QList<POJProblem> &problems);
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const QList<POJProblem> &problems() const;
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POJProblem problem(int index) const;
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void removeProblem(int index);
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bool problemNameUsed(const QString& name);
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void removeAllProblems();
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void saveToFile(const QString& fileName, int currentIndex=-1);
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void loadFromFile(const QString& fileName, int& currentIndex);
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void load(int& currentIndex);
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void save(int currentIndex);
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void updateProblemAnswerFilename(const QString& oldFilename, const QString& newFilename);
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signals:
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void problemNameChanged(int index);
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private:
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OJProblemSet mProblemSet;
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// QAbstractItemModel interface
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public:
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int rowCount(const QModelIndex &parent) const override;
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QVariant data(const QModelIndex &index, int role) const override;
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bool setData(const QModelIndex &index, const QVariant &value, int role) override;
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Qt::ItemFlags flags(const QModelIndex &index) const override;
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// QAbstractItemModel interface
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public:
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Qt::DropActions supportedDropActions() const override;
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bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count, const QModelIndex &destinationParent, int destinationChild) override;
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};
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#endif // OJPROBLEMSETMODEL_H
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