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diff --git a/src/datavisualization/data/qitemmodelbardataproxy.h b/src/datavisualization/data/qitemmodelbardataproxy.h
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#ifndef QITEMMODELBARDATAPROXY_H
+#define QITEMMODELBARDATAPROXY_H
+
+#include <QtDataVisualization/qbardataproxy.h>
+#include <QtDataVisualization/qitemmodelbardatamapping.h>
+#include <QAbstractItemModel>
+#include <QStringList>
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+class QItemModelBarDataProxyPrivate;
+
+class QT_DATAVISUALIZATION_EXPORT QItemModelBarDataProxy : public QBarDataProxy
+{
+    Q_OBJECT
+    Q_PROPERTY(const QAbstractItemModel* itemModel READ itemModel WRITE setItemModel)
+    Q_PROPERTY(QItemModelBarDataMapping* activeMapping READ activeMapping WRITE setActiveMapping)
+
+public:
+    explicit QItemModelBarDataProxy();
+    explicit QItemModelBarDataProxy(const QAbstractItemModel *itemModel,
+                                    QItemModelBarDataMapping *mapping);
+    virtual ~QItemModelBarDataProxy();
+
+    void setItemModel(const QAbstractItemModel *itemModel);
+    const QAbstractItemModel *itemModel() const;
+
+    void setActiveMapping(QItemModelBarDataMapping *mapping);
+    QItemModelBarDataMapping *activeMapping() const;
+    void addMapping(QItemModelBarDataMapping *mapping);
+    void releaseMapping(QItemModelBarDataMapping *mapping);
+    QList<QItemModelBarDataMapping *> mappings() const;
+
+protected:
+    QItemModelBarDataProxyPrivate *dptr();
+    const QItemModelBarDataProxyPrivate *dptrc() const;
+
+private:
+    Q_DISABLE_COPY(QItemModelBarDataProxy)
+};
+
+QT_DATAVISUALIZATION_END_NAMESPACE
+
+#endif