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/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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.
**
****************************************************************************/
#ifndef QMT_MODELCONTROLLER_H
#define QMT_MODELCONTROLLER_H
#include "qmt/infrastructure/uid.h"
#include <QObject>
#include <QHash>
#include <QMultiHash>
namespace qmt {
class UndoController;
class MElement;
class MObject;
class MPackage;
class MDiagram;
class MRelation;
class MSelection;
class MContainer;
class MReferences;
class QMT_EXPORT ModelController : public QObject
{
Q_OBJECT
enum ElementType {
TypeUnknown,
TypeObject,
TypeRelation };
class Clone;
class UpdateObjectCommand;
class UpdateRelationCommand;
class AddElementsCommand;
class RemoveElementsCommand;
class MoveObjectCommand;
class MoveRelationCommand;
public:
explicit ModelController(QObject *parent = 0);
~ModelController() override;
signals:
void beginResetModel();
void endResetModel();
void beginUpdateObject(int row, const MObject *owner);
void endUpdateObject(int row, const MObject *owner);
void beginInsertObject(int row, const MObject *owner);
void endInsertObject(int row, const MObject *owner);
void beginRemoveObject(int row, const MObject *owner);
void endRemoveObject(int row, const MObject *owner);
void beginMoveObject(int formerRow, const MObject *formerOwner);
void endMoveObject(int newRow, const MObject *newOwner);
void beginUpdateRelation(int row, const MObject *owner);
void endUpdateRelation(int row, const MObject *owner);
void beginInsertRelation(int row, const MObject *owner);
void endInsertRelation(int row, const MObject *owner);
void beginRemoveRelation(int row, const MObject *owner);
void endRemoveRelation(int row, const MObject *owner);
void beginMoveRelation(int formerRow, const MObject *formerOwner);
void endMoveRelation(int newRow, const MObject *newOwner);
void packageNameChanged(MPackage *package, const QString &oldPackageName);
void relationEndChanged(MRelation *relation, MObject *endObject);
void modified();
public:
MPackage *rootPackage() const { return m_rootPackage; }
void setRootPackage(MPackage *rootPackage);
UndoController *undoController() const { return m_undoController; }
void setUndoController(UndoController *undoController);
Uid ownerKey(const MElement *element) const;
MElement *findElement(const Uid &key);
template<class T>
T *findElement(const Uid &key) { return dynamic_cast<T *>(findElement(key)); }
void startResetModel();
void finishResetModel(bool modified);
MObject *object(int row, const MObject *owner) const;
MObject *findObject(const Uid &key) const;
template<class T>
T *findObject(const Uid &key) const { return dynamic_cast<T *>(findObject(key)); }
void addObject(MPackage *parentPackage, MObject *object);
void removeObject(MObject *object);
void startUpdateObject(MObject *object);
void finishUpdateObject(MObject *object, bool cancelled);
void moveObject(MPackage *newOwner, MObject *object);
MRelation *findRelation(const Uid &key) const;
template<class T>
T *findRelation(const Uid &key) const { return dynamic_cast<T *>(findRelation(key)); }
void addRelation(MObject *owner, MRelation *relation);
void removeRelation(MRelation *relation);
void startUpdateRelation(MRelation *relation);
void finishUpdateRelation(MRelation *relation, bool cancelled);
void moveRelation(MObject *newOwner, MRelation *relation);
QList<MRelation *> findRelationsOfObject(const MObject *object) const;
MContainer cutElements(const MSelection &modelSelection);
MContainer copyElements(const MSelection &modelSelection);
void pasteElements(MObject *owner, const MContainer &modelContainer);
void deleteElements(const MSelection &modelSelection);
private:
void deleteElements(const MSelection &modelSelection, const QString &commandLabel);
void removeRelatedRelations(MObject *object);
public:
void unloadPackage(MPackage *package);
void loadPackage(MPackage *package);
private:
void renewElementKey(MElement *element, QHash<Uid, Uid> *renewedKeys);
void updateRelationKeys(MElement *element, const QHash<Uid, Uid> &renewedKeys);
void updateRelationEndKeys(MRelation *relation, const QHash<Uid, Uid> &renewedKeys);
void mapObject(MObject *object);
void unmapObject(MObject *object);
void mapRelation(MRelation *relation);
void unmapRelation(MRelation *relation);
MReferences simplify(const MSelection &modelSelection);
void verifyModelIntegrity() const;
void verifyModelIntegrity(const MObject *object, QHash<Uid, const MObject *> *objectsMap,
QHash<Uid, const MRelation *> *relationsMap,
QMultiHash<Uid, MRelation *> *objectRelationsMap) const;
MPackage *m_rootPackage;
UndoController *m_undoController;
QHash<Uid, MObject *> m_objectsMap;
QHash<Uid, MRelation *> m_relationsMap;
QMultiHash<Uid, MRelation *> m_objectRelationsMap;
bool m_isResettingModel;
QString m_oldPackageName;
};
} // namespace qmt
#endif // QMT_MODELCONTROLLER_H
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