deck_list_history_manager.h

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#ifndef COCKATRICE_DECK_LIST_HISTORY_MANAGER_H
#define COCKATRICE_DECK_LIST_HISTORY_MANAGER_H
 
#include "deck_list_memento.h"
 
#include <QObject>
#include <QStack>
#include <qtmetamacros.h>
 
class DeckList;
 
class DeckListHistoryManager : public QObject
{
    Q_OBJECT
 
signals:
    void undoRedoStateChanged();
 
public:
    explicit DeckListHistoryManager(QObject *parent = nullptr) : QObject(parent)
    {
    }
 
    void save(const DeckListMemento &memento);
 
    void clear();
 
    [[nodiscard]] bool canUndo() const
    {
        return !undoStack.isEmpty();
    }
 
    [[nodiscard]] bool canRedo() const
    {
        return !redoStack.isEmpty();
    }
 
    void undo(DeckList *deck);
 
    void redo(DeckList *deck);
 
    [[nodiscard]] QStack<DeckListMemento> getRedoStack() const
    {
        return redoStack;
    }
    [[nodiscard]] QStack<DeckListMemento> getUndoStack() const
    {
        return undoStack;
    }
 
private:
    void restoreAndSwap(QStack<DeckListMemento> &source, QStack<DeckListMemento> &target, DeckList *deck);
 
    QStack<DeckListMemento> undoStack;
    QStack<DeckListMemento> redoStack;
};
 
#endif // COCKATRICE_DECK_LIST_HISTORY_MANAGER_H