61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
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#pragma once
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#include "IUndoManager.h"
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#include <optional>
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#include <string>
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#include <vector>
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namespace XCEngine {
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namespace Editor {
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class ISelectionManager;
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class SceneManager;
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class UndoManager : public IUndoManager {
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public:
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UndoManager(SceneManager& sceneManager, ISelectionManager& selectionManager);
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void ClearHistory() override;
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bool CanUndo() const override;
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bool CanRedo() const override;
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const std::string& GetUndoLabel() const override;
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const std::string& GetRedoLabel() const override;
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void Undo() override;
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void Redo() override;
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UndoStateSnapshot CaptureCurrentState() const override;
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void PushCommand(const std::string& label, UndoStateSnapshot before, UndoStateSnapshot after) override;
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void BeginInteractiveChange(const std::string& label) override;
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bool HasPendingInteractiveChange() const override;
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void FinalizeInteractiveChange() override;
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void CancelInteractiveChange() override;
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private:
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struct CommandEntry {
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std::string label;
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UndoStateSnapshot before;
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UndoStateSnapshot after;
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};
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struct PendingInteractiveChange {
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std::string label;
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UndoStateSnapshot before;
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};
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bool ApplyState(const UndoStateSnapshot& state);
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static bool AreStatesEqual(const UndoStateSnapshot& lhs, const UndoStateSnapshot& rhs);
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SceneManager& m_sceneManager;
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ISelectionManager& m_selectionManager;
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std::vector<CommandEntry> m_history;
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size_t m_nextIndex = 0;
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std::optional<PendingInteractiveChange> m_pendingInteractiveChange;
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std::string m_emptyLabel;
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};
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} // namespace Editor
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} // namespace XCEngine
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