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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtAddOn.JsonDb module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef JsonDbListModel_H
#define JsonDbListModel_H
#include <QAbstractListModel>
#include <QHash>
#include <QMultiMap>
#include <QSet>
#include <QSharedDataPointer>
#include <QStringList>
#include <QQmlParserStatus>
#include <QJSValue>
#include <QScopedPointer>
#include "jsondb-global.h"
QT_USE_NAMESPACE_JSONDB
class JsonDbSortKeyPrivate;
class JsonDbSortKey {
public:
JsonDbSortKey();
JsonDbSortKey(const QVariantMap &object, const QStringList &directions, const QList<QStringList> &paths);
JsonDbSortKey(const JsonDbSortKey&);
const QVariantList &keys() const;
const QStringList &directions() const;
QString toString() const;
private:
QSharedDataPointer<JsonDbSortKeyPrivate> d;
};
bool operator <(const JsonDbSortKey &a, const JsonDbSortKey &b);
class JsonDbListModelPrivate;
class JsonDbListModel : public QAbstractListModel, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
public:
JsonDbListModel(QObject *parent = 0);
virtual ~JsonDbListModel();
Q_PROPERTY(QString state READ state NOTIFY stateChanged)
Q_PROPERTY(QString query READ query WRITE setQuery)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(int rowCount READ rowCount NOTIFY rowCountChanged)
Q_PROPERTY(int limit READ limit WRITE setLimit)
Q_PROPERTY(int chunkSize READ chunkSize WRITE setChunkSize)
Q_PROPERTY(int lowWaterMark READ lowWaterMark WRITE setLowWaterMark)
Q_PROPERTY(QVariant roleNames READ scriptableRoleNames WRITE setScriptableRoleNames)
virtual void classBegin();
virtual void componentComplete();
virtual int count() const;
virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual QHash<int,QByteArray> roleNames() const;
virtual void fetchMore(const QModelIndex &parent);
virtual bool canFetchMore(const QModelIndex &parent) const;
QVariant scriptableRoleNames() const;
void setScriptableRoleNames(const QVariant &roles);
QString state() const;
virtual QString toString(int role) const;
int roleFromString(const QString &roleName) const;
QString query() const;
void setQuery(const QString &newQuery);
void setLimit(int newLimit);
int limit() const;
void setChunkSize(int newChunkSize);
int chunkSize() const;
void setLowWaterMark(int newLowWaterMark);
int lowWaterMark() const;
Q_INVOKABLE QVariant get(int idx, const QString &property) const;
Q_INVOKABLE void set(int index, const QJSValue &valuemap,
const QJSValue &successCallback = QJSValue(QJSValue::UndefinedValue),
const QJSValue &errorCallback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE void setProperty(int index, const QString &property, const QVariant &value,
const QJSValue &successCallback = QJSValue(QJSValue::UndefinedValue),
const QJSValue &errorCallback = QJSValue(QJSValue::UndefinedValue));
Q_INVOKABLE int sectionIndex(const QString §ion, const QJSValue &successCallback = QJSValue(QJSValue::UndefinedValue),
const QJSValue &errorCallback = QJSValue(QJSValue::UndefinedValue));
signals:
void needAnotherChunk(int offset) const;
void stateChanged() const;
void countChanged() const;
void rowCountChanged() const;
private:
Q_DISABLE_COPY(JsonDbListModel)
Q_DECLARE_PRIVATE(JsonDbListModel)
QScopedPointer<JsonDbListModelPrivate> d_ptr;
Q_PRIVATE_SLOT(d_func(), void _q_jsonDbResponse(int, const QVariant&))
Q_PRIVATE_SLOT(d_func(), void _q_jsonDbErrorResponse(int, int, const QString&))
Q_PRIVATE_SLOT(d_func(), void _q_jsonDbErrorResponse(int, const QString&))
Q_PRIVATE_SLOT(d_func(), void _q_jsonDbNotified(const QString&, const QVariant&, const QString&))
Q_PRIVATE_SLOT(d_func(), void _q_requestAnotherChunk(int))
};
#endif
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