chart2/source/view/inc/MinimumAndMaximumSupplier.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
  21 #define _CHART2_MINIMUMANDMAXIMUMSUPPLIER_HXX
  22
  23 #include <sal/types.h>
  24 #include <tools/date.hxx>
  25 #include <set>
  26
  27 //.............................................................................
  28 namespace chart
  29 {
  30 //.............................................................................
  31
  32 //-----------------------------------------------------------------------------
  33 /**
  34 */
  35
  36 class MinimumAndMaximumSupplier
  37 {
  38 public:
  39     virtual double getMinimumX() = 0;
  40     virtual double getMaximumX() = 0;
  41
  42     //problem y maybe not is always the second border to ask for
  43     virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
  44     virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex ) = 0;
  45
  46     //problem: z maybe not independent in future
  47     virtual double getMinimumZ() = 0;
  48     virtual double getMaximumZ() = 0;
  49
  50     virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex ) = 0;
  51     virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex ) = 0;
  52     virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex ) = 0;
  53     virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex ) = 0;
  54     virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex ) = 0;
  55
  56     //return a constant out of ::com::sun::star::chart::TimeUnit that allows to display the smallest distance between occuring dates
  57     virtual long calculateTimeResolutionOnXAxis() = 0;
  58     virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate ) = 0;
  59
  60 protected:
  61     ~MinimumAndMaximumSupplier() {}
  62 };
  63
  64 class MergedMinimumAndMaximumSupplier : public MinimumAndMaximumSupplier
  65 {
  66 public:
  67     MergedMinimumAndMaximumSupplier();
  68     virtual ~MergedMinimumAndMaximumSupplier();
  69
  70     void addMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
  71     bool hasMinimumAndMaximumSupplier( MinimumAndMaximumSupplier* pMinimumAndMaximumSupplier );
  72     void clearMinimumAndMaximumSupplierList();
  73
  74     //--MinimumAndMaximumSupplier
  75     virtual double getMinimumX();
  76     virtual double getMaximumX();
  77     virtual double getMinimumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
  78     virtual double getMaximumYInRange( double fMinimumX, double fMaximumX, sal_Int32 nAxisIndex );
  79     virtual double getMinimumZ();
  80     virtual double getMaximumZ();
  81
  82     virtual bool isExpandBorderToIncrementRhythm( sal_Int32 nDimensionIndex );
  83     virtual bool isExpandIfValuesCloseToBorder( sal_Int32 nDimensionIndex );
  84     virtual bool isExpandWideValuesToZero( sal_Int32 nDimensionIndex );
  85     virtual bool isExpandNarrowValuesTowardZero( sal_Int32 nDimensionIndex );
  86     virtual bool isSeparateStackingForDifferentSigns( sal_Int32 nDimensionIndex );
  87
  88     virtual long calculateTimeResolutionOnXAxis();
  89     virtual void setTimeResolutionOnXAxis( long nTimeResolution, const Date& rNullDate );
  90
  91 private:
  92     typedef ::std::set< MinimumAndMaximumSupplier* > MinimumAndMaximumSupplierSet;
  93     MinimumAndMaximumSupplierSet m_aMinimumAndMaximumSupplierList;
  94
  95     inline MinimumAndMaximumSupplierSet::iterator begin() { return m_aMinimumAndMaximumSupplierList.begin(); }
  96     inline MinimumAndMaximumSupplierSet::iterator end() { return m_aMinimumAndMaximumSupplierList.end(); }
  97 };
  98
  99 //.............................................................................
 100 } //namespace chart
 101 //.............................................................................
 102 #endif
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */