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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D Editor of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef UNDOHANDLER_H
#define UNDOHANDLER_H
#include "editorsceneitemmodel.h"
#include <QtCore/QObject>
#include <Qt3DCore/QComponent>
class EditorScene;
class QUndoStack;
/**
* UndoHandler is used to expose the QUndoStack to the QML UI.
*/
class UndoHandler : public QObject
{
Q_OBJECT
Q_PROPERTY(bool canRedo READ canRedo NOTIFY canRedoChanged)
Q_PROPERTY(bool canUndo READ canUndo NOTIFY canUndoChanged)
// Text for the undo and redo actions
Q_PROPERTY(QString redoText READ redoText NOTIFY redoTextChanged)
Q_PROPERTY(QString undoText READ undoText NOTIFY undoTextChanged)
public:
enum MergeableCommandIds {
PropertyChangeCommandId,
RenameEntityCommandId
};
explicit UndoHandler(EditorScene *scene, QObject *parent = 0);
// The accessor methods for our properties
bool canRedo() const;
bool canUndo() const;
QString redoText() const;
QString undoText() const;
void clear();
Q_INVOKABLE bool isClean() const;
Q_INVOKABLE void beginMacro(const QString ¯oName = QString());
Q_INVOKABLE void endMacro();
// TODO: Add undo support for add/remove components, if that is generally supported.
Q_INVOKABLE void createInsertEntityCommand(int type, const QString &parentName,
const QVector3D &pos);
Q_INVOKABLE void createRemoveEntityCommand(const QString &entityName);
Q_INVOKABLE void createChangePropertyCommand(const QString &entityName,
int componentType,
const QString &propertyName,
const QVariant &newValue,
const QVariant &oldValue,
bool pushToStack,
const QString &text = QString());
Q_INVOKABLE void createChangePropertyCommand(const QString &entityName,
int componentType,
const QString &propertyName,
const QVariant &newValue,
const QVariant &oldValue,
const QString &propertyName2,
const QVariant &newValue2,
const QVariant &oldValue2,
bool pushToStack,
const QString &text = QString());
Q_INVOKABLE void createChangeModelRoleCommand(const QString &entityName,
int componentType,
int roleIndex,
const QVariant &newValue,
const QVariant &oldValue,
const QString &text = QString());
Q_INVOKABLE void createRenameEntityCommand(const QString &oldName,
const QString &newName);
void createReplaceComponentCommand(const QString &entityName,
int componentType,
Qt3DCore::QComponent *newComponent,
Qt3DCore::QComponent *oldComponent);
Q_INVOKABLE void createDuplicateEntityCommand(const QString &entityName);
Q_INVOKABLE void createPasteEntityCommand(const QVector3D &pos, const QString &parentName);
Q_INVOKABLE void createCopyCameraPropertiesCommand(const QString &targetCamera,
const QString &sourceCamera = QString(),
const QString &text = QString());
Q_INVOKABLE void createChangeGenericPropertyCommand(QObject *obj,
const QString &propertyName,
const QVariant &newValue,
const QVariant &oldValue,
const QString &text = QString());
Q_INVOKABLE void createReparentEntityCommand(const QString &newParentName,
const QString &entityName);
Q_INVOKABLE void createImportEntityCommand(const QUrl &url);
Q_INVOKABLE void createResetEntityCommand(const QString &entityName);
Q_INVOKABLE void createResetTransformCommand(const QString &entityName);
signals:
void canRedoChanged();
void canUndoChanged();
void redoTextChanged();
void undoTextChanged();
public slots:
void redo();
void undo();
void setClean();
private:
int nonOpCount(bool checkUndos) const;
QUndoStack *m_undoStack;
EditorScene *m_scene;
};
#endif // UNDOHANDLER_H
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