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diff --git a/lib/kformula/creationstrategy.h b/lib/kformula/creationstrategy.h
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+/* This file is part of the KDE project
+   Copyright (C) 2003 Ulrich Kuettler <ulrich.kuettler@gmx.de>
+
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+*/
+
+
+#ifndef CREATIONSTRATEGY_H
+#define CREATIONSTRATEGY_H
+
+
+#include <qstring.h>
+#include <qdom.h>
+
+#include "kformuladefs.h"
+
+KFORMULA_NAMESPACE_BEGIN
+
+class BasicElement;
+class BracketElement;
+class EmptyElement;
+class FractionElement;
+class IdentifierElement;
+class IndexElement;
+class MatrixElement;
+class MultilineElement;
+class NameSequence;
+class OperatorElement;
+class OverlineElement;
+class RootElement;
+class SpaceElement;
+class SymbolElement;
+class TextElement;
+class NumberElement;
+class UnderlineElement;
+
+/**
+ * An object of this type needs to be known by the SequenceElement.
+ * It decides what elements can be constructed.
+ */
+class ElementCreationStrategy {
+public:
+    virtual ~ElementCreationStrategy() {}
+
+    virtual BasicElement* createElement( QString type, const QDomElement& element ) = 0;
+
+    /// there must always be a TextElement, so this can never return 0
+    virtual TextElement* createTextElement( const QChar& ch, bool symbol=false ) = 0;
+
+    /// when this gets called the user has seen the matrix dialog and expects a matrix!
+    virtual MatrixElement* createMatrixElement( uint rows, uint columns ) = 0;
+
+    virtual EmptyElement* createEmptyElement() = 0;
+    virtual NameSequence* createNameSequence() = 0;
+    virtual BracketElement* createBracketElement( SymbolType lhs, SymbolType rhs ) = 0;
+    virtual OverlineElement* createOverlineElement() = 0;
+    virtual UnderlineElement* createUnderlineElement() = 0;
+    virtual MultilineElement* createMultilineElement() = 0;
+    virtual SpaceElement* createSpaceElement( SpaceWidth width ) = 0;
+    virtual FractionElement* createFractionElement() = 0;
+    virtual RootElement* createRootElement() = 0;
+    virtual SymbolElement* createSymbolElement( SymbolType type ) = 0;
+    virtual IndexElement* createIndexElement() = 0;
+    virtual IdentifierElement* createIdentifierElement() = 0;
+    virtual OperatorElement* createOperatorElement() = 0;
+    virtual NumberElement* createNumberElement() = 0;
+	virtual QString type() const = 0;
+};
+
+
+/**
+ * The ordinary strategy to be used for plain kformula.
+ */
+class OrdinaryCreationStrategy : public ElementCreationStrategy {
+public:
+    virtual BasicElement* createElement( QString type, const QDomElement& element = 0 );
+
+    virtual TextElement* createTextElement( const QChar& ch, bool symbol=false );
+    virtual EmptyElement* createEmptyElement();
+    virtual NameSequence* createNameSequence();
+    virtual BracketElement* createBracketElement( SymbolType lhs, SymbolType rhs );
+    virtual OverlineElement* createOverlineElement();
+    virtual UnderlineElement* createUnderlineElement();
+    virtual MultilineElement* createMultilineElement();
+    virtual SpaceElement* createSpaceElement( SpaceWidth width );
+    virtual FractionElement* createFractionElement();
+    virtual RootElement* createRootElement();
+    virtual SymbolElement* createSymbolElement( SymbolType type );
+    virtual MatrixElement* createMatrixElement( uint rows, uint columns );
+    virtual IndexElement* createIndexElement();
+    virtual IdentifierElement* createIdentifierElement();
+    virtual OperatorElement* createOperatorElement();
+    virtual NumberElement* createNumberElement();
+	virtual QString type() const { return "Ordinary"; }
+};
+
+
+KFORMULA_NAMESPACE_END
+
+#endif // CREATIONSTRATEGY_H