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/**************************************************************************
**
** This file is part of Installer Framework**
**
** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).*
**
** Contact: Nokia Corporation qt-info@nokia.com**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception version
** 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you are unsure which license is appropriate for your use, please contact
** (qt-info@nokia.com).
**
**************************************************************************/
#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
public:
explicit ComponentModel(int columns, PackageManagerCore *core = 0);
~ComponentModel();
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);
Qt::ItemFlags flags(const QModelIndex &index) const;
void setRootComponents(QList<Component*> rootComponents);
void appendRootComponents(QList<Component*> rootComponents);
PackageManagerCore *packageManagerCore() const;
bool defaultCheckState() const;
bool hasCheckedComponents() const;
QList<Component*> checkedComponents() const;
QModelIndex indexFromComponentName(const QString &name) const;
Component* componentFromIndex(const QModelIndex &index) const;
public Q_SLOTS:
void selectAll();
void deselectAll();
void selectDefault();
Q_SIGNALS:
void defaultCheckStateChanged(bool changed);
void checkStateChanged(const QModelIndex &index);
private Q_SLOTS:
void slotModelReset();
void slotCheckStateChanged(const QModelIndex &index);
private:
QSet<QString> select(Qt::CheckState state);
void updateCache(const QModelIndex &parent) const;
QModelIndexList collectComponents(const QModelIndex &parent) const;
private:
PackageManagerCore *m_core;
int m_rootIndex;
QVector<QVariant> m_headerData;
QSet<QString> m_initialCheckedSet;
QSet<QString> m_currentCheckedSet;
QList<Component*> m_rootComponentList;
mutable QMap<QString, QPersistentModelIndex> m_indexByNameCache;
};
} // namespace QInstaller
#endif // COMPONENTMODEL_H
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