DADataUndoCommand.h

#ifndef DADATAUNDOCOMMAND_H
#define DADATAUNDOCOMMAND_H
#include <QUndoCommand>
#include <functional>
#include "DAData.h"
#include "DAPybind11InQt.h"
#include "DACallBackInterface.h"
namespace DA
{
class DADATA_API DADataAbstractUndoCommand : public QUndoCommand, public DACallBackInterface
{
public:
    DADataAbstractUndoCommand(QUndoCommand* par = nullptr);
    ~DADataAbstractUndoCommand();
    // 设置旧对象
    virtual void setOldData(const DAData& data) = 0;
    // 设置新对象
    virtual void setNewData(const DAData& data) = 0;
    // 设置跳过第一次redo
    void setSkipFirstRedo(bool skip = true);
    // 是否跳过第一次
    bool isSkipFirstRedo() const;
    // 跳过第一次redo
    void skipFirstRedo();
 
private:
    bool m_skipFirstRedo { true };  
};
 
class DADATA_API DADataObjectSwapUndoCommand : public DADataAbstractUndoCommand
{
public:
    DADataObjectSwapUndoCommand(QUndoCommand* par = nullptr);
    ~DADataObjectSwapUndoCommand();
    // 设置旧对象（立即 pickle 到临时文件）
    void setOldData(const DAData& data) override;
    // 设置新对象（把新对象也pickle到临时文件）
    void setNewData(const DAData& data) override;
    void undo() override;
    void redo() override;
 
protected:
    DAData m_data;
    pybind11::object m_oldObject;
    pybind11::object m_newObject;
};
 
class DADATA_API DADataObjectPersistUndoCommand : public DADataAbstractUndoCommand
{
public:
    DADataObjectPersistUndoCommand(QUndoCommand* par = nullptr);
    ~DADataObjectPersistUndoCommand();
    // 设置旧对象（立即 pickle 到临时文件）
    void setOldData(const DAData& data) override;
    // 设置新对象（把新对象也pickle到临时文件）
    void setNewData(const DAData& data) override;
    void undo() override;
    void redo() override;
    //
    bool isValid() const;
 
protected:
    void dumpObj(const pybind11::object& obj, const QString& path);
    pybind11::object loadObj(const QString& path);
 
protected:
    DAData m_data;
    QString m_oldObjectPath;
    QString m_newObjectPath;
    bool m_isValid { false };
};
}
 
#endif  // DAPYOBJECTUNDOCOMMAND_H