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diff --git a/src/plugins/qmldesigner/core/include/componenttextmodifier.h b/src/plugins/qmldesigner/core/include/componenttextmodifier.h
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+++ b/src/plugins/qmldesigner/core/include/componenttextmodifier.h
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+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef COMPONENTTEXTMODIFIER_H
+#define COMPONENTTEXTMODIFIER_H
+
+#include "textmodifier.h"
+
+namespace QmlDesigner {
+
+class ComponentTextModifier: public TextModifier
+{
+    Q_OBJECT
+public:
+    ComponentTextModifier(TextModifier *originalModifier, int componentStartOffset, int componentEndOffset, int rootStartOffset);
+    ~ComponentTextModifier();
+
+    virtual void replace(int offset, int length, const QString& replacement);
+    virtual void move(const MoveInfo &moveInfo);
+    virtual void startGroup();
+    virtual void flushGroup();
+    virtual void commitGroup();
+
+    virtual QTextDocument *textDocument() const;
+    virtual QString text() const;
+    virtual QTextCursor textCursor() const;
+
+    virtual void deactivateChangeSignals();
+    virtual void reactivateChangeSignals();
+
+public slots:
+    void contentsChange(int position, int charsRemoved, int charsAdded);
+
+private:
+    TextModifier *m_originalModifier;
+    int m_componentStartOffset;
+    int m_componentEndOffset;
+    int m_rootStartOffset;
+};
+
+} // namespace QmlDesigner
+
+#endif // COMPONENTTEXTMODIFIER_H