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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
#define _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
#include <sal/types.h>
#include <tools/date.hxx>
#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 isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) = 0;
//return a constant out of ::com::sun::star::chart::TimeUnit that allows to display the smallest distance between occuring dates
virtual long calculateTimeResolutionOnXAxis() = 0;
virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate ) = 0;
protected:
~MinimumAndMaximumSupplier() {}
};
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 isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex );
virtual long calculateTimeResolutionOnXAxis();
virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate );
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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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