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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 QFXVISUALDATAMODEL_H
+#define QFXVISUALDATAMODEL_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qabstractitemmodel.h>
+#include <QtDeclarative/qml.h>
+
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Declarative)
+/*****************************************************************************
+ *****************************************************************************
+ XXX Experimental
+ *****************************************************************************
+*****************************************************************************/
+
+class QFxItem;
+class QmlComponent;
+class QmlPackage;
+class QFxVisualDataModelPrivate;
+
+class Q_DECLARATIVE_EXPORT QFxVisualModel : public QObject
+{
+ Q_OBJECT
+
+ Q_PROPERTY(int count READ count NOTIFY countChanged)
+
+public:
+ QFxVisualModel() {}
+ virtual ~QFxVisualModel() {}
+
+ enum ReleaseFlag { Referenced = 0x01, Destroyed = 0x02 };
+ Q_DECLARE_FLAGS(ReleaseFlags, ReleaseFlag)
+
+ virtual int count() const = 0;
+ virtual bool isValid() const = 0;
+ virtual QFxItem *item(int index, bool complete=true) = 0;
+ virtual ReleaseFlags release(QFxItem *item) = 0;
+ virtual void completeItem() = 0;
+ virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext) = 0;
+
+ virtual int indexOf(QFxItem *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, QFxItem *item);
+ void destroyingItem(QFxItem *item);
+
+protected:
+ QFxVisualModel(QObjectPrivate &dd, QObject *parent = 0)
+ : QObject(dd, parent) {}
+
+private:
+ Q_DISABLE_COPY(QFxVisualModel)
+};
+
+class QFxVisualItemModelAttached;
+class QFxVisualItemModelPrivate;
+class Q_DECLARATIVE_EXPORT QFxVisualItemModel : public QFxVisualModel
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QFxVisualItemModel)
+
+ Q_PROPERTY(QmlList<QFxItem *>* children READ children DESIGNABLE false)
+ Q_CLASSINFO("DefaultProperty", "children")
+
+public:
+ QFxVisualItemModel();
+ virtual ~QFxVisualItemModel() {}
+
+ virtual int count() const;
+ virtual bool isValid() const;
+ virtual QFxItem *item(int index, bool complete=true);
+ virtual ReleaseFlags release(QFxItem *item);
+ virtual void completeItem();
+ virtual QVariant evaluate(int index, const QString &expression, QObject *objectContext);
+
+ virtual int indexOf(QFxItem *item, QObject *objectContext) const;
+
+ QmlList<QFxItem *> *children();
+
+ static QFxVisualItemModelAttached *qmlAttachedProperties(QObject *obj);
+
+private:
+ Q_DISABLE_COPY(QFxVisualItemModel)
+};
+
+
+class Q_DECLARATIVE_EXPORT QFxVisualDataModel : public QFxVisualModel
+{
+ Q_OBJECT
+ Q_DECLARE_PRIVATE(QFxVisualDataModel)
+
+ 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:
+ QFxVisualDataModel();
+ QFxVisualDataModel(QmlContext *);
+ virtual ~QFxVisualDataModel();
+
+ 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; }
+ QFxItem *item(int index, bool complete=true);
+ QFxItem *item(int index, const QByteArray &, bool complete=true);
+ ReleaseFlags release(QFxItem *item);
+ void completeItem();
+ QVariant evaluate(int index, const QString &expression, QObject *objectContext);
+
+ int indexOf(QFxItem *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_dataChanged(const QModelIndex&,const QModelIndex&);
+ void _q_createdPackage(int index, QmlPackage *package);
+ void _q_destroyingPackage(QmlPackage *package);
+
+private:
+ Q_DISABLE_COPY(QFxVisualDataModel)
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QFxVisualModel)
+QML_DECLARE_TYPE(QFxVisualItemModel)
+QML_DECLARE_TYPE(QFxVisualDataModel)
+
+QT_END_HEADER
+
+#endif // QFXVISUALDATAMODEL_H