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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLXMLLISTMODEL_H
#define QMLXMLLISTMODEL_H
#include <QtDeclarative/qml.h>
#include <QtDeclarative/QListModelInterface>
#include <QtDeclarative/qmlinfo.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QmlContext;
class Q_DECLARATIVE_EXPORT XmlListModelRole : public QObject
{
Q_OBJECT
Q_PROPERTY(QString name READ name WRITE setName)
Q_PROPERTY(QString query READ query WRITE setQuery)
public:
XmlListModelRole() {}
~XmlListModelRole() {}
QString name() const { return m_name; }
void setName(const QString &name) { m_name = name; }
QString query() const { return m_query; }
void setQuery(const QString &query)
{
if (query.startsWith(QLatin1Char('/'))) {
qmlInfo(this) << "An XmlRole query must not start with '/'";
return;
}
m_query = query;
}
bool isValid() {
return !m_name.isEmpty() && !m_query.isEmpty();
}
private:
QString m_name;
QString m_query;
};
class QmlXmlListModelPrivate;
class Q_DECLARATIVE_EXPORT QmlXmlListModel : public QListModelInterface, public QmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QmlParserStatus)
Q_ENUMS(Status)
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(QUrl source READ source WRITE setSource)
Q_PROPERTY(QString xml READ xml WRITE setXml)
Q_PROPERTY(QString query READ query WRITE setQuery)
Q_PROPERTY(QString namespaceDeclarations READ namespaceDeclarations WRITE setNamespaceDeclarations)
Q_PROPERTY(QmlList<XmlListModelRole *> *roles READ roleObjects)
Q_PROPERTY(int count READ count NOTIFY countChanged)
Q_CLASSINFO("DefaultProperty", "roles")
public:
QmlXmlListModel(QObject *parent = 0);
~QmlXmlListModel();
virtual QHash<int,QVariant> data(int index, const QList<int> &roles = (QList<int>())) const;
virtual int count() const;
virtual QList<int> roles() const;
virtual QString toString(int role) const;
QmlList<XmlListModelRole *> *roleObjects();
QUrl source() const;
void setSource(const QUrl&);
QString xml() const;
void setXml(const QString&);
QString query() const;
void setQuery(const QString&);
QString namespaceDeclarations() const;
void setNamespaceDeclarations(const QString&);
enum Status { Null, Ready, Loading, Error };
Status status() const;
qreal progress() const;
virtual void classBegin();
virtual void componentComplete();
signals:
void statusChanged(Status);
void progressChanged(qreal progress);
void countChanged();
public Q_SLOTS:
void reload();
private Q_SLOTS:
void requestFinished();
void requestProgress(qint64,qint64);
void queryCompleted(int,int);
private:
Q_DECLARE_PRIVATE(QmlXmlListModel)
Q_DISABLE_COPY(QmlXmlListModel)
};
QT_END_NAMESPACE
QML_DECLARE_TYPE(XmlListModelRole)
QML_DECLARE_TYPE(QmlXmlListModel)
QT_END_HEADER
#endif // QMLXMLLISTMODEL_H
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