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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDocGallery module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 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, 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef GALLERYQUERYREQUEST_H
#define GALLERYQUERYREQUEST_H
#include <qgalleryqueryrequest.h>
#include "qdeclarativedocumentgallery.h"
#include "qdeclarativegalleryfilter.h"
#include <QtCore/qabstractitemmodel.h>
#include <QtCore/qpointer.h>
#include <QtQml/qqml.h>
#include <QtQml/qjsvalue.h>
QT_BEGIN_NAMESPACE_DOCGALLERY
class QDeclarativeGalleryFilterBase;
class QDeclarativeGalleryQueryModel : public QAbstractListModel, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
Q_ENUMS(Status)
Q_ENUMS(Scope)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(QStringList properties READ propertyNames WRITE setPropertyNames NOTIFY propertyNamesChanged)
Q_PROPERTY(QStringList sortProperties READ sortPropertyNames WRITE setSortPropertyNames NOTIFY sortPropertyNamesChanged)
Q_PROPERTY(bool autoUpdate READ autoUpdate WRITE setAutoUpdate NOTIFY autoUpdateChanged)
Q_PROPERTY(QVariant rootItem READ rootItem WRITE setRootItem NOTIFY rootItemChanged)
Q_PROPERTY(Scope scope READ scope WRITE setScope NOTIFY scopeChanged)
Q_PROPERTY(int offset READ offset WRITE setOffset NOTIFY offsetChanged)
Q_PROPERTY(int limit READ limit WRITE setLimit NOTIFY limitChanged)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_PROPERTY(QDocGallery::QDeclarativeGalleryFilterBase* filter READ filter WRITE setFilter NOTIFY filterChanged)
public:
enum Status
{
Null = QGalleryAbstractRequest::Inactive,
Active = QGalleryAbstractRequest::Active,
Canceling = QGalleryAbstractRequest::Canceling,
Canceled = QGalleryAbstractRequest::Canceled,
Idle = QGalleryAbstractRequest::Idle,
Finished = QGalleryAbstractRequest::Finished,
Error = QGalleryAbstractRequest::Error
};
enum Scope
{
AllDescendants = QGalleryQueryRequest::AllDescendants,
DirectDescendants = QGalleryQueryRequest::DirectDescendants
};
enum Roles
{
ItemId = 0,
ItemType,
MetaDataOffset
};
~QDeclarativeGalleryQueryModel();
Status status() const { return m_status; }
qreal progress() const;
QStringList propertyNames() { return m_request.propertyNames(); }
void setPropertyNames(const QStringList &names);
QStringList sortPropertyNames() const { return m_request.sortPropertyNames(); }
void setSortPropertyNames(const QStringList &names);
bool autoUpdate() const { return m_request.autoUpdate(); }
void setAutoUpdate(bool enabled);
Scope scope() const { return Scope(m_request.scope()); }
void setScope(Scope scope);
QVariant rootItem() const { return m_request.rootItem(); }
void setRootItem(const QVariant &itemId);
QDeclarativeGalleryFilterBase *filter() const { return m_filter.data(); }
void setFilter(QDeclarativeGalleryFilterBase *filter);
int offset() const { return m_request.offset(); }
void setOffset(int offset);
int limit() const { return m_request.limit(); }
void setLimit(int limit);
int rowCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
bool setData(const QModelIndex &index, const QVariant &value, int role);
QModelIndex index(int row, int column, const QModelIndex &parent) const;
int count() const { return m_rowCount; }
Q_INVOKABLE QJSValue get(const QJSValue &index) const;
Q_INVOKABLE QVariant property(int index, const QString &property) const;
Q_INVOKABLE void set(int index, const QJSValue &value);
Q_INVOKABLE void setProperty(int index, const QString &property, const QVariant &value);
void componentComplete();
public Q_SLOTS:
void reload();
void cancel();
void clear();
Q_SIGNALS:
void statusChanged();
void progressChanged();
void propertyNamesChanged();
void sortPropertyNamesChanged();
void autoUpdateChanged();
void rootItemChanged();
void scopeChanged();
void filterChanged();
void offsetChanged();
void limitChanged();
void countChanged();
protected Q_SLOTS:
void deferredExecute();
protected:
enum UpdateStatus
{
Incomplete,
NoUpdate,
PendingUpdate,
CanceledUpdate
};
explicit QDeclarativeGalleryQueryModel(QObject *parent = Q_NULLPTR);
virtual QVariant itemType(const QString &type) const = 0;
bool event(QEvent *event);
QGalleryQueryRequest m_request;
QPointer<QDeclarativeGalleryFilterBase> m_filter;
QGalleryResultSet *m_resultSet;
QVector<QPair<int, QString> > m_propertyNames;
Status m_status;
int m_rowCount;
UpdateStatus m_updateStatus;
private Q_SLOTS:
void _q_stateChanged();
void _q_setResultSet(QGalleryResultSet *resultSet);
void _q_itemsInserted(int index, int count);
void _q_itemsRemoved(int index, int count);
void _q_itemsMoved(int from, int to, int count);
void _q_itemsChanged(int index, int count);
};
class QDeclarativeDocumentGalleryModel : public QDeclarativeGalleryQueryModel
{
Q_OBJECT
Q_PROPERTY(QDocGallery::QDeclarativeDocumentGallery::ItemType rootType READ rootType WRITE setRootType NOTIFY rootTypeChanged)
public:
explicit QDeclarativeDocumentGalleryModel(QObject *parent = Q_NULLPTR);
~QDeclarativeDocumentGalleryModel();
void classBegin();
QDeclarativeDocumentGallery::ItemType rootType() const;
void setRootType(QDeclarativeDocumentGallery::ItemType itemType);
Q_SIGNALS:
void rootTypeChanged();
protected:
QVariant itemType(const QString &type) const;
};
QT_END_NAMESPACE_DOCGALLERY
QML_DECLARE_TYPE(QT_DOCGALLERY_PREPEND_NAMESPACE(QDeclarativeDocumentGalleryModel))
#endif
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