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+/****************************************************************************
+**
+** Copyright (C) 2009 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 QMLGRAPHICSVISUALDATAMODEL_H
+#define QMLGRAPHICSVISUALDATAMODEL_H
+
+#include <qml.h>
+
+#include <QtCore/qobject.h>
+#include <QtCore/qabstractitemmodel.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+/*****************************************************************************
+ *****************************************************************************
+ XXX Experimental
+ *****************************************************************************
+*****************************************************************************/
+
+class QmlGraphicsItem;
+class QmlComponent;
+class QmlPackage;
+class QmlGraphicsVisualDataModelPrivate;
+
+class Q_DECLARATIVE_EXPORT QmlGraphicsVisualModel : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+public:
+ QmlGraphicsVisualModel() {}
+ virtual ~QmlGraphicsVisualModel() {}
+
+ enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 };
+ Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag)
+
+ virtual int count() const = 0;
+ virtual bool isValid() const = 0;
+ virtual QmlGraphicsItem *item(int index, bool complete=true) = 0;
+ virtual ReleaseFlags release(QmlGraphicsItem *item) = 0;
+ virtual void completeItem() = 0;
+ virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext) = 0;
+ virtual QString stringValue(int, const QString &) { return QString(); }
+
+ virtual int indexOf(QmlGraphicsItem *item, QObject *objectContext) const = 0;
+
+Q_SIGNALS:
+ void countChanged();
+ void itemsInserted(int index, int count);
+ void itemsRemoved(int index, int count);
+ void itemsMoved(int from, int to, int count);
+ void createdItem(int index, QmlGraphicsItem *item);
+ void destroyingItem(QmlGraphicsItem *item);
+
+protected:
+ QmlGraphicsVisualModel(QObjectPrivate &dd, QObject *parent = 0)
+ : QObject(dd, parent) {}
+
+private:
+ Q_DISABLE_COPY(QmlGraphicsVisualModel)
+};
+
+class QmlGraphicsVisualItemModelAttached;
+class QmlGraphicsVisualItemModelPrivate;
+class Q_DECLARATIVE_EXPORT QmlGraphicsVisualItemModel : public QmlGraphicsVisualModel
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QmlGraphicsVisualItemModel)
+
+ Q_PROPERTY(QmlList<QmlGraphicsItem *>* children READ children NOTIFY childrenChanged DESIGNABLE false)
+ Q_CLASSINFO("DefaultProperty", "children")
+
+public:
+ QmlGraphicsVisualItemModel();
+ virtual ~QmlGraphicsVisualItemModel() {}
+
+ virtual int count() const;
+ virtual bool isValid() const;
+ virtual QmlGraphicsItem *item(int index, bool complete=true);
+ virtual ReleaseFlags release(QmlGraphicsItem *item);
+ virtual void completeItem();
+ virtual QString stringValue(int index, const QString &role);
+ virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext);
+
+ virtual int indexOf(QmlGraphicsItem *item, QObject *objectContext) const;
+
+ QmlList<QmlGraphicsItem *> *children();
+
+ static QmlGraphicsVisualItemModelAttached *qmlAttachedProperties(QObject *obj);
+
+Q_SIGNALS:
+ void childrenChanged();
+
+private:
+ Q_DISABLE_COPY(QmlGraphicsVisualItemModel)
+};
+
+
+class Q_DECLARATIVE_EXPORT QmlGraphicsVisualDataModel : public QmlGraphicsVisualModel
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QmlGraphicsVisualDataModel)
+
+ Q_PROPERTY(QVariant model READ model WRITE setModel)
+ Q_PROPERTY(QmlComponent *delegate READ delegate WRITE setDelegate)
+ Q_PROPERTY(QString part READ part WRITE setPart)
+ Q_PROPERTY(QObject *parts READ parts CONSTANT)
+ Q_CLASSINFO("DefaultProperty", "delegate")
+public:
+ QmlGraphicsVisualDataModel();
+ QmlGraphicsVisualDataModel(QmlContext *);
+ virtual ~QmlGraphicsVisualDataModel();
+
+ QVariant model() const;
+ void setModel(const QVariant &);
+
+ QmlComponent *delegate() const;
+ void setDelegate(QmlComponent *);
+
+ QString part() const;
+ void setPart(const QString &);
+
+ int count() const;
+ bool isValid() const { return delegate() != 0; }
+ QmlGraphicsItem *item(int index, bool complete=true);
+ QmlGraphicsItem *item(int index, const QByteArray &, bool complete=true);
+ ReleaseFlags release(QmlGraphicsItem *item);
+ void completeItem();
+ virtual QString stringValue(int index, const QString &role);
+ QVariant evaluate(int index, const QString &expression, QObject *objectContext);
+
+ int indexOf(QmlGraphicsItem *item, QObject *objectContext) const;
+
+ QObject *parts();
+
+Q_SIGNALS:
+ void createdPackage(int index, QmlPackage *package);
+ void destroyingPackage(QmlPackage *package);
+
+private Q_SLOTS:
+ void _q_itemsChanged(int, int, const QList<int> &);
+ 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_rowsInserted(const QModelIndex &,int,int);
+ void _q_rowsRemoved(const QModelIndex &,int,int);
+ void _q_rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int);
+ void _q_dataChanged(const QModelIndex&,const QModelIndex&);
+ void _q_createdPackage(int index, QmlPackage *package);
+ void _q_destroyingPackage(QmlPackage *package);
+
+private:
+ Q_DISABLE_COPY(QmlGraphicsVisualDataModel)
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QmlGraphicsVisualModel)
+QML_DECLARE_TYPE(QmlGraphicsVisualItemModel)
+QML_DECLARE_TYPEINFO(QmlGraphicsVisualItemModel, QML_HAS_ATTACHED_PROPERTIES)
+QML_DECLARE_TYPE(QmlGraphicsVisualDataModel)
+
+QT_END_HEADER
+
+#endif // QMLGRAPHICSVISUALDATAMODEL_H