undoableactionsmanager.h

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// RioEngine: The late night Coke -without whores- debugging sessions
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// www.leopoldolomas.info
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#ifndef RIOENGINE_EDITOR_UNDOENGINE_UNDOABLEACTIONSMANAGER_H_
#define RIOENGINE_EDITOR_UNDOENGINE_UNDOABLEACTIONSMANAGER_H_

#include <vector>
#include "cengine/csingleton.h"
#include "cengine/cobject.h"

#define UNDOABLEACTIONSMANAGER CSingleton<UndoableActionsManager>::getSharedInstance()

class IUndoableAction;

class UndoableActionsManager : protected CObject {
private:
    std::vector<IUndoableAction*>* m_undoActions;
    std::vector<IUndoableAction*>* m_redoActions;

public:
    UndoableActionsManager();

    unsigned int getUndoActionsCount();
    unsigned int getRedoActionsCount();

    bool hasUndoActions();
    bool hasRedoActions();

    bool performUndo();
    bool performRedo();

    const char* getHintForCurrentUndoAction();
    const char* getHintForCurrentRedoAction();

    void pushUndoAction(IUndoableAction* undo_action, bool clear_redo_stack);
    void pushUndoAction(IUndoableAction* action);
    void pushRedoAction(IUndoableAction* action);

    void clear();

    ~UndoableActionsManager();
};

#endif  // RIOENGINE_EDITOR_UNDOENGINE_UNDOABLEACTIONSMANAGER_H_