chart2/source/view/axes/Tickmarks_Dates.cxx

   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 #include "Tickmarks_Dates.hxx"
  21 #include "DateScaling.hxx"
  22 #include <rtl/math.hxx>
  23 #include "DateHelper.hxx"
  24
  25 namespace chart
  26 {
  27 using namespace ::com::sun::star;
  28 using namespace ::com::sun::star::chart2;
  29 using namespace ::rtl::math;
  30 using ::basegfx::B2DVector;
  31 using ::com::sun::star::chart::TimeUnit::DAY;
  32 using ::com::sun::star::chart::TimeUnit::MONTH;
  33 using ::com::sun::star::chart::TimeUnit::YEAR;
  34
  35 DateTickFactory::DateTickFactory(
  36           const ExplicitScaleData& rScale, const ExplicitIncrementData& rIncrement )
  37             : m_aScale( rScale )
  38             , m_aIncrement( rIncrement )
  39             , m_xInverseScaling(NULL)
  40 {
  41     //@todo: make sure that the scale is valid for the scaling
  42
  43     if( m_aScale.Scaling.is() )
  44     {
  45         m_xInverseScaling = m_aScale.Scaling->getInverseScaling();
  46         OSL_ENSURE( m_xInverseScaling.is(), "each Scaling needs to return a inverse Scaling" );
  47     }
  48
  49     m_fScaledVisibleMin = m_aScale.Minimum;
  50     if( m_xInverseScaling.is() )
  51         m_fScaledVisibleMin = m_aScale.Scaling->doScaling(m_fScaledVisibleMin);
  52
  53     m_fScaledVisibleMax = m_aScale.Maximum;
  54     if( m_xInverseScaling.is() )
  55         m_fScaledVisibleMax = m_aScale.Scaling->doScaling(m_fScaledVisibleMax);
  56 }
  57
  58 DateTickFactory::~DateTickFactory()
  59 {
  60 }
  61
  62 void DateTickFactory::getAllTicks( TickInfoArraysType& rAllTickInfos, bool bShifted ) const
  63 {
  64     rAllTickInfos.resize(2);
  65     TickInfoArrayType& rMajorTicks = rAllTickInfos[0];
  66     TickInfoArrayType& rMinorTicks = rAllTickInfos[1];
  67     rMajorTicks.clear();
  68     rMinorTicks.clear();
  69
  70     Date aNull(m_aScale.NullDate);
  71
  72     Date aDate = aNull + static_cast<long>(::rtl::math::approxFloor(m_aScale.Minimum));
  73     Date aMaxDate = aNull + static_cast<long>(::rtl::math::approxFloor(m_aScale.Maximum));
  74
  75     uno::Reference< chart2::XScaling > xScaling(m_aScale.Scaling);
  76     uno::Reference< chart2::XScaling > xInverseScaling(m_xInverseScaling);
  77     if( bShifted )
  78     {
  79         xScaling = new DateScaling(aNull,m_aScale.TimeResolution,true/*bShifted*/);
  80         xInverseScaling = xScaling->getInverseScaling();
  81     }
  82
  83     //create major date tickinfos
  84     while( aDate<= aMaxDate )
  85     {
  86         if( bShifted && aDate==aMaxDate )
  87             break;
  88
  89         TickInfo aNewTick(xInverseScaling); aNewTick.fScaledTickValue = aDate - aNull;
  90
  91         if( xInverseScaling.is() )
  92             aNewTick.fScaledTickValue = xScaling->doScaling(aNewTick.fScaledTickValue);
  93         rMajorTicks.push_back( aNewTick );
  94
  95         if(m_aIncrement.MajorTimeInterval.Number<=0)
  96             break;
  97
  98         //find next major date
  99         switch( m_aIncrement.MajorTimeInterval.TimeUnit )
 100         {
 101         case DAY:
 102             aDate += m_aIncrement.MajorTimeInterval.Number;
 103             break;
 104         case YEAR:
 105             aDate = DateHelper::GetDateSomeYearsAway( aDate, m_aIncrement.MajorTimeInterval.Number );
 106             break;
 107         case MONTH:
 108         default:
 109             aDate = DateHelper::GetDateSomeMonthsAway( aDate, m_aIncrement.MajorTimeInterval.Number );
 110             break;
 111         }
 112     }
 113
 114     //create minor date tickinfos
 115     aDate = aNull + static_cast<long>(::rtl::math::approxFloor(m_aScale.Minimum));
 116     while( aDate<= aMaxDate )
 117     {
 118         if( bShifted && aDate==aMaxDate )
 119             break;
 120
 121         TickInfo aNewTick(xInverseScaling); aNewTick.fScaledTickValue = aDate - aNull;
 122         if( xInverseScaling.is() )
 123             aNewTick.fScaledTickValue = xScaling->doScaling(aNewTick.fScaledTickValue);
 124         rMinorTicks.push_back( aNewTick );
 125
 126         if(m_aIncrement.MinorTimeInterval.Number<=0)
 127             break;
 128
 129         //find next minor date
 130         switch( m_aIncrement.MinorTimeInterval.TimeUnit )
 131         {
 132         case DAY:
 133             aDate += m_aIncrement.MinorTimeInterval.Number;
 134             break;
 135         case YEAR:
 136             aDate = DateHelper::GetDateSomeYearsAway( aDate, m_aIncrement.MinorTimeInterval.Number );
 137             break;
 138         case MONTH:
 139         default:
 140             aDate = DateHelper::GetDateSomeMonthsAway( aDate, m_aIncrement.MinorTimeInterval.Number );
 141             break;
 142         }
 143     }
 144 }
 145
 146 void DateTickFactory::getAllTicks( TickInfoArraysType& rAllTickInfos ) const
 147 {
 148     getAllTicks( rAllTickInfos, false );
 149 }
 150
 151 void DateTickFactory::getAllTicksShifted( TickInfoArraysType& rAllTickInfos ) const
 152 {
 153     getAllTicks( rAllTickInfos, true );
 154 }
 155
 156 } //namespace chart
 157
 158 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */