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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: MinimumAndMaximumSupplier.hxx,v $
+ * $Revision: 1.3 $
+ *
+ * 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 _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
+#define _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
+
+#include <sal/types.h>
+
+#include <set>
+
+//.............................................................................
+namespace chart
+{
+//.............................................................................
+
+//-----------------------------------------------------------------------------
+/**
+*/
+
+class MinimumAndMaximumSupplier
+{
+public:
+    virtual double getMinimumX() = 0;
+    virtual double getMaximumX() = 0;
+
+    //problem y maybe not is always the second border to ask for
+    virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
+    virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
+
+    //problem: z maybe not independent in future
+    virtual double getMinimumZ() = 0;
+    virtual double getMaximumZ() = 0;
+
+    virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) = 0;
+    virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) = 0;
+    virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) = 0;
+    virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) = 0;
+    virtual bool isSeperateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) = 0;
+};
+
+class MergedMinimumAndMaximumSupplier : public MinimumAndMaximumSupplier
+{
+public:
+    MergedMinimumAndMaximumSupplier();
+    virtual ~MergedMinimumAndMaximumSupplier();
+
+    void addMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
+    bool hasMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
+    void clearMinimumAndMaximumSupplierList();
+
+    //--MinimumAndMaximumSupplier
+    virtual double getMinimumX();
+    virtual double getMaximumX();
+    virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
+    virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
+    virtual double getMinimumZ();
+    virtual double getMaximumZ();
+
+    virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex );
+    virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex );
+    virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex );
+    virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex );
+    virtual bool isSeperateStackingForDifferentSigns( sal_Int32 nDimensionIndex );
+
+private:
+    typedef ::std::set< MinimumAndMaximumSupplier* > MinimumAndMaximumSupplierSet;
+    MinimumAndMaximumSupplierSet m_aMinimumAndMaximumSupplierList;
+
+    inline MinimumAndMaximumSupplierSet::iterator begin() { return m_aMinimumAndMaximumSupplierList.begin(); }
+    inline MinimumAndMaximumSupplierSet::iterator end() { return m_aMinimumAndMaximumSupplierList.end(); }
+};
+
+//.............................................................................
+} //namespace chart
+//.............................................................................
+#endif