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/**************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 COMPONENTMODEL_H
#define COMPONENTMODEL_H
#include "qinstallerglobal.h"
#include <QtCore/QAbstractItemModel>
#include <QtCore/QList>
#include <QtCore/QSet>
#include <QtCore/QVector>
namespace QInstaller {
class Component;
class PackageManagerCore;
class INSTALLER_EXPORT ComponentModel : public QAbstractItemModel
{
Q_OBJECT
typedef QSet<Component *> ComponentSet;
typedef QList<Component *> ComponentList;
public:
enum ModelStateFlag {
AllChecked = 0x01,
AllUnchecked = 0x02,
DefaultChecked = 0x04,
PartiallyChecked = 0x08
};
Q_DECLARE_FLAGS(ModelState, ModelStateFlag);
explicit ComponentModel(int columns, PackageManagerCore *core = 0);
~ComponentModel();
Qt::ItemFlags flags(const QModelIndex &index) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex &child) const;
QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
bool setHeaderData(int section, Qt::Orientation orientation, const QVariant &value,
int role = Qt::EditRole);
QSet<Component *> checked() const;
QSet<Component *> partially() const;
QSet<Component *> unchecked() const;
QSet<Component *> uncheckable() const;
PackageManagerCore *core() const;
ComponentModel::ModelState checkedState() const;
QModelIndex indexFromComponentName(const QString &name) const;
Component* componentFromIndex(const QModelIndex &index) const;
public Q_SLOTS:
void setRootComponents(QList<QInstaller::Component*> rootComponents);
void setCheckedState(QInstaller::ComponentModel::ModelStateFlag state);
Q_SIGNALS:
void checkStateChanged(const QModelIndex &index);
void checkStateChanged(QInstaller::ComponentModel::ModelState state);
private Q_SLOTS:
void slotModelReset();
void onVirtualStateChanged();
private:
void updateAndEmitModelState();
void collectComponents(Component *const component, const QModelIndex &parent) const;
QSet<QModelIndex> updateCheckedState(const ComponentSet &components, Qt::CheckState state);
private:
PackageManagerCore *m_core;
ModelState m_modelState;
ComponentSet m_uncheckable;
QVector<QVariant> m_headerData;
ComponentList m_rootComponentList;
QHash<Qt::CheckState, ComponentSet> m_initialCheckedState;
QHash<Qt::CheckState, ComponentSet> m_currentCheckedState;
mutable QHash<QString, QPersistentModelIndex> m_indexByNameCache;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(ComponentModel::ModelState);
} // namespace QInstaller
Q_DECLARE_METATYPE(QInstaller::ComponentModel::ModelState);
Q_DECLARE_METATYPE(QInstaller::ComponentModel::ModelStateFlag);
#endif // COMPONENTMODEL_H
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