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#pragma once
#include <Python.h>
#include <QString>
#include <QPointer>
#include <QPlainTextEdit>
#include "undo/undo_command.h"
class ScriptNode;
class UndoChangeScript: public UndoCommand
{
public:
/*
* Constructs an undo command that reverses a change to a script
*/
UndoChangeScript(ScriptNode* n, QString before, QString after,
QPlainTextEdit* editor,
int cursor_before, int cursor_after);
void redo() override;
void undo() override;
void swapPointer(Node* a, Node* b) const override;
protected:
/*
* If we have a valid QPlainTextEdit pointer,
* set its cursor to the given position.
*/
void setCursor(int pos);
mutable ScriptNode* node;
QString before;
QString after;
/*
* Store a QPointer to the relevant text document.
*
* If the window is closed, the pointer will be set to NULL;
* this needs to be checked whenever it is used.
*/
QPointer<QPlainTextEdit> editor;
int cursor_before;
int cursor_after;
};
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