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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
#define QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
#include <qdeclarativegeoserviceprovider_p.h>
#include <QObject>
#include <QtCore/QStringList>
#include <QtCore/QSharedPointer>
#include <QAbstractListModel>
#include <QQmlListProperty>
#include <QtQml/QQmlParserStatus>
#include <QtLocation/QPlaceCategory>
#include "qdeclarativecategory_p.h"
QT_BEGIN_NAMESPACE
class QGeoServiceProvider;
class QPlaceManager;
class QPlaceReply;
class PlaceCategoryNode
{
public:
QString parentId;
QStringList childIds;
QSharedPointer<QDeclarativeCategory> declCategory;
};
class QDeclarativeSupportedCategoriesModel : public QAbstractItemModel, public QQmlParserStatus
{
Q_OBJECT
Q_ENUMS(Status)
Q_PROPERTY(QDeclarativeGeoServiceProvider *plugin READ plugin WRITE setPlugin NOTIFY pluginChanged)
Q_PROPERTY(bool hierarchical READ hierarchical WRITE setHierarchical NOTIFY hierarchicalChanged)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_INTERFACES(QQmlParserStatus)
Q_ENUMS(Roles) //The Roles enum is for internal usage only.
public:
explicit QDeclarativeSupportedCategoriesModel(QObject *parent = 0);
virtual ~QDeclarativeSupportedCategoriesModel();
// From QQmlParserStatus
virtual void classBegin() {}
virtual void componentComplete();
// From QAbstractItemModel
int rowCount(const QModelIndex &parent) const;
int columnCount(const QModelIndex &parent) const;
QModelIndex index(int row, int column, const QModelIndex &parent) const;
QModelIndex parent(const QModelIndex &child) const;
Q_INVOKABLE QVariant data(const QModelIndex &index, int role) const;
QHash<int, QByteArray> roleNames() const;
enum Roles {
CategoryRole = Qt::UserRole,
ParentCategoryRole
}; //for internal usage only
enum Status {Null, Ready, Loading, Error};
void setPlugin(QDeclarativeGeoServiceProvider *plugin);
QDeclarativeGeoServiceProvider *plugin() const;
void setHierarchical(bool hierarchical);
bool hierarchical() const;
Q_INVOKABLE QString errorString() const;
Status status() const;
void setStatus(Status status, const QString &errorString = QString());
using QAbstractItemModel::dataChanged;
Q_SIGNALS:
void pluginChanged();
void hierarchicalChanged();
void statusChanged();
void dataChanged();
public Q_SLOTS:
void update();
private Q_SLOTS:
void replyFinished();
void addedCategory(const QPlaceCategory &category, const QString &parentId);
void updatedCategory(const QPlaceCategory &category, const QString &parentId);
void removedCategory(const QString &categoryId, const QString &parentId);
void connectNotificationSignals();
private:
QStringList populateCategories(QPlaceManager *, const QPlaceCategory &parent);
QModelIndex index(const QString &categoryId) const;
int rowToAddChild(PlaceCategoryNode *, const QPlaceCategory &category);
void updateLayout();
QPlaceReply *m_response;
QDeclarativeGeoServiceProvider *m_plugin;
bool m_hierarchical;
bool m_complete;
Status m_status;
QString m_errorString;
QHash<QString, PlaceCategoryNode *> m_categoriesTree;
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(QDeclarativeSupportedCategoriesModel)
#endif // QDECLARATIVESUPPORTEDCATEGORIESMODEL_H
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