text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtWidgets 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
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  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
  ** Foundation and appearing in the file LICENSE.LGPL3 included in the
  ** packaging of this file. Please review the following information to
  ** ensure the GNU Lesser General Public License version 3 requirements
  ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 2.0 or (at your option) the GNU General
  ** Public license version 3 or any later version approved by the KDE Free
  ** Qt Foundation. The licenses are as published by the Free Software
  ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
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  ****************************************************************************/
  
  #ifndef QDATAWIDGETMAPPER_H
  #define QDATAWIDGETMAPPER_H
  
  #include "QtCore/qobject.h"
  
  #ifndef QT_NO_DATAWIDGETMAPPER
  
  QT_BEGIN_NAMESPACE
  
  
  class QAbstractItemDelegate;
  class QAbstractItemModel;
  class QModelIndex;
  class QDataWidgetMapperPrivate;
  
  class Q_WIDGETS_EXPORT QDataWidgetMapper: public QObject
  {
      Q_OBJECT
  
      Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
      Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
      Q_PROPERTY(SubmitPolicy submitPolicy READ submitPolicy WRITE setSubmitPolicy)
  
  public:
      explicit QDataWidgetMapper(QObject *parent = Q_NULLPTR);
      ~QDataWidgetMapper();
  
      void setModel(QAbstractItemModel *model);
      QAbstractItemModel *model() const;
  
      void setItemDelegate(QAbstractItemDelegate *delegate);
      QAbstractItemDelegate *itemDelegate() const;
  
      void setRootIndex(const QModelIndex &index);
      QModelIndex rootIndex() const;
  
      void setOrientation(Qt::Orientation aOrientation);
      Qt::Orientation orientation() const;
  
      enum SubmitPolicy { AutoSubmit, ManualSubmit };
      Q_ENUM(SubmitPolicy)
      void setSubmitPolicy(SubmitPolicy policy);
      SubmitPolicy submitPolicy() const;
  
      void addMapping(QWidget *widget, int section);
      void addMapping(QWidget *widget, int section, const QByteArray &propertyName);
      void removeMapping(QWidget *widget);
      int mappedSection(QWidget *widget) const;
      QByteArray mappedPropertyName(QWidget *widget) const;
      QWidget *mappedWidgetAt(int section) const;
      void clearMapping();
  
      int currentIndex() const;
  
  public Q_SLOTS:
      void revert();
      bool submit();
  
      void toFirst();
      void toLast();
      void toNext();
      void toPrevious();
      virtual void setCurrentIndex(int index);
      void setCurrentModelIndex(const QModelIndex &index);
  
  Q_SIGNALS:
      void currentIndexChanged(int index);
  
  private:
      Q_DECLARE_PRIVATE(QDataWidgetMapper)
      Q_DISABLE_COPY(QDataWidgetMapper)
      Q_PRIVATE_SLOT(d_func(), void _q_dataChanged(const QModelIndex &, const QModelIndex &, const QVector<int> &))
      Q_PRIVATE_SLOT(d_func(), void _q_commitData(QWidget *))
      Q_PRIVATE_SLOT(d_func(), void _q_closeEditor(QWidget *, QAbstractItemDelegate::EndEditHint))
      Q_PRIVATE_SLOT(d_func(), void _q_modelDestroyed())
  };
  
  QT_END_NAMESPACE
  
  #endif // QT_NO_DATAWIDGETMAPPER
  #endif
  
  