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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDECLARATIVELISTMODEL_P_P_H
#define QDECLARATIVELISTMODEL_P_P_H
//
// 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.
//
#include "private/qdeclarativelistmodel_p.h"
#include "qdeclarative.h"
#include "private/qdeclarativeengine_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Declarative)
class QDeclarativeOpenMetaObject;
class QScriptEngine;
class QDeclarativeListModelWorkerAgent;
struct ModelNode;
class FlatListModel
{
public:
FlatListModel(QDeclarativeListModel *base);
~FlatListModel();
QHash<int,QVariant> data(int index, const QList<int> &roles) const;
QVariant data(int index, int role) const;
QList<int> roles() const;
QString toString(int role) const;
int count() const;
void clear();
void remove(int index);
bool append(const QScriptValue&);
bool insert(int index, const QScriptValue&);
QScriptValue get(int index) const;
void set(int index, const QScriptValue&, QList<int> *roles);
void setProperty(int index, const QString& property, const QVariant& value, QList<int> *roles);
void move(int from, int to, int count);
private:
friend class QDeclarativeListModelWorkerAgent;
friend class QDeclarativeListModel;
bool addValue(const QScriptValue &value, QHash<int, QVariant> *row, QList<int> *roles);
QScriptEngine *m_scriptEngine;
QHash<int, QString> m_roles;
QHash<QString, int> m_strings;
QList<QHash<int, QVariant> > m_values;
QDeclarativeListModel *m_listModel;
};
class NestedListModel
{
public:
NestedListModel(QDeclarativeListModel *base);
~NestedListModel();
QHash<int,QVariant> data(int index, const QList<int> &roles, bool *hasNested = 0) const;
QVariant data(int index, int role) const;
QList<int> roles() const;
QString toString(int role) const;
int count() const;
void clear();
void remove(int index);
bool append(const QScriptValue&);
bool insert(int index, const QScriptValue&);
QScriptValue get(int index) const;
void set(int index, const QScriptValue&, QList<int> *roles);
void setProperty(int index, const QString& property, const QVariant& value, QList<int> *role);
void move(int from, int to, int count);
QVariant valueForNode(ModelNode *, bool *hasNested = 0) const;
void checkRoles() const;
ModelNode *_root;
bool m_ownsRoot;
QDeclarativeListModel *m_listModel;
private:
mutable QStringList roleStrings;
mutable bool _rolesOk;
};
class ModelObject : public QObject
{
Q_OBJECT
public:
ModelObject();
void setValue(const QByteArray &name, const QVariant &val);
private:
QDeclarativeOpenMetaObject *_mo;
};
struct ModelNode
{
ModelNode();
~ModelNode();
QList<QVariant> values;
QHash<QString, ModelNode *> properties;
void clear();
QDeclarativeListModel *model(const NestedListModel *model) {
if (!modelCache) {
modelCache = new QDeclarativeListModel;
QDeclarativeEngine::setContextForObject(modelCache,QDeclarativeEngine::contextForObject(model->m_listModel));
modelCache->m_nested->_root = this; // ListModel defaults to nestable model
}
return modelCache;
}
ModelObject *object(const NestedListModel *model) {
if (!objectCache) {
objectCache = new ModelObject();
QHash<QString, ModelNode *>::iterator it;
for (it = properties.begin(); it != properties.end(); ++it) {
objectCache->setValue(it.key().toUtf8(), model->valueForNode(*it));
}
}
return objectCache;
}
void setObjectValue(const QScriptValue& valuemap);
void setListValue(const QScriptValue& valuelist);
void setProperty(const QString& prop, const QVariant& val);
static void dump(ModelNode *node, int ind);
QDeclarativeListModel *modelCache;
ModelObject *objectCache;
bool isArray;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(ModelNode *)
QT_END_HEADER
#endif // QDECLARATIVELISTMODEL_P_P_H
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