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#ifndef _a192a99d_7dc5_414c_9b85_5345449cb7f6_
#define _a192a99d_7dc5_414c_9b85_5345449cb7f6_
#include "EditorWidgets.h"
#include "CyclicBuffer.h"
#include "sigslot.h"
namespace tools
{
enum
{
PR_DEFAULT,
PR_POSITION,
PR_PROPERTIES,
PR_KEY_POSITION
};
using Event_Changes = MyGUI::delegates::MultiDelegate<bool>;
class UndoManager : public sigslot::has_slots<>
{
MYGUI_SINGLETON_DECLARATION(UndoManager);
public:
UndoManager();
public:
void initialise(EditorWidgets* _ew);
void shutdown();
void undo();
void redo();
void addValue(int _property = PR_DEFAULT);
void dropLastProperty()
{
mLastProperty = PR_DEFAULT;
}
bool isUnsaved() const
{
return mUnsaved;
}
void setUnsaved(bool _value);
Event_Changes eventChanges;
private:
void commandUndo(const MyGUI::UString& _commandName, bool& _result);
void commandRedo(const MyGUI::UString& _commandName, bool& _result);
private:
// position in the bufer (0 - newest element)
size_t mPosition{0};
CyclicBuffer<MyGUI::xml::Document*> mOperations;
int mLastProperty{0};
EditorWidgets* mEditorWidgets{nullptr};
bool mUnsaved{false};
};
}
#endif
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