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diff --git a/forms/source/inc/componenttools.hxx b/forms/source/inc/componenttools.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef FORMS_SOURCE_INC_COMPONENTTOOLS_HXX
+#define FORMS_SOURCE_INC_COMPONENTTOOLS_HXX
+
+/** === begin UNO includes === **/
+#include <com/sun/star/uno/Type.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/frame/XModel.hpp>
+/** === end UNO includes === **/
+
+#include <set>
+#include <functional>
+
+//........................................................................
+namespace frm
+{
+//........................................................................
+
+    struct TypeCompareLess : public ::std::binary_function< ::com::sun::star::uno::Type, ::com::sun::star::uno::Type, bool >
+    {
+    private:
+        typedef ::com::sun::star::uno::Type             Type;
+
+    public:
+        bool operator()( const Type& _rLHS, const Type& _rRHS ) const
+        {
+            return _rLHS.getTypeName() < _rRHS.getTypeName();
+        }
+    };
+
+    //====================================================================
+    //= TypeBag
+    //====================================================================
+    /** a helper class which merges sequences of <type scope="com::sun::star::uno">Type</type>s,
+        so that the resulting sequence contains every type at most once
+    */
+    class TypeBag
+    {
+    public:
+        typedef ::com::sun::star::uno::Type             Type;
+        typedef ::com::sun::star::uno::Sequence< Type > TypeSequence;
+        typedef ::std::set< Type, TypeCompareLess >     TypeSet;
+
+    private:
+        TypeSet     m_aTypes;
+
+    public:
+        TypeBag(
+            const TypeSequence& _rTypes1
+        );
+
+        TypeBag(
+            const TypeSequence& _rTypes1,
+            const TypeSequence& _rTypes2
+        );
+        TypeBag(
+            const TypeSequence& _rTypes1,
+            const TypeSequence& _rTypes2,
+            const TypeSequence& _rTypes3
+        );
+
+        void    addType( const Type& i_rType );
+        void    addTypes( const TypeSequence& _rTypes );
+        void    removeType( const Type& i_rType );
+
+        /** returns the types represented by this bag
+        */
+        TypeSequence    getTypes() const;
+    };
+
+    ::com::sun::star::uno::Reference< ::com::sun::star::frame::XModel >  getXModel(
+        const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _rxComponent );
+
+//........................................................................
+} // namespace frm
+//........................................................................
+
+#endif // FORMS_SOURCE_INC_COMPONENTTOOLS_HXX
+