src/GUI/gearratiograph.cpp

   1 #include <QLocale>
   2 #include "data/data.h"
   3 #include "gearratiographitem.h"
   4 #include "gearratiograph.h"
   5
   6
   7 GearRatioGraph::GearRatioGraph(QWidget *parent) : GraphTab(parent)
   8 {
   9         _showTracks = false;
  10
  11         GraphView::setYUnits("");
  12         setYLabel(tr("Gear ratio"));
  13
  14         setSliderPrecision(2);
  15 }
  16
  17 GearRatioGraph::~GearRatioGraph()
  18 {
  19         qDeleteAll(_tracks);
  20 }
  21
  22 void GearRatioGraph::setInfo()
  23 {
  24         if (_showTracks) {
  25                 QLocale l(QLocale::system());
  26
  27 #ifdef Q_OS_ANDROID
  28                 GraphView::addInfo(tr("Top"), l.toString(top() * yScale(), 'f', 2)
  29                   + UNIT_SPACE + yUnits());
  30                 GraphView::addInfo(tr("Min"), l.toString(min() * yScale(), 'f', 2)
  31                   + UNIT_SPACE + yUnits());
  32                 GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 2)
  33                   + UNIT_SPACE + yUnits());
  34 #else // Q_OS_ANDROID
  35                 GraphView::addInfo(tr("Most used"), l.toString(top() * yScale(),
  36                   'f', 2) + UNIT_SPACE + yUnits());
  37                 GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale(), 'f',
  38                   2) + UNIT_SPACE + yUnits());
  39                 GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
  40                   2) + UNIT_SPACE + yUnits());
  41 #endif // Q_OS_ANDROID
  42         } else
  43                 clearInfo();
  44 }
  45
  46 QList<GraphItem*> GearRatioGraph::loadData(const Data &data, Map *map)
  47 {
  48         Q_UNUSED(map);
  49         QList<GraphItem*> graphs;
  50
  51         for (int i = 0; i < data.tracks().count(); i++) {
  52                 const Graph &graph = data.tracks().at(i).ratio();
  53
  54                 if (graph.isEmpty()) {
  55                         _palette.nextColor();
  56                         graphs.append(0);
  57                 } else {
  58                         GearRatioGraphItem *gi = new GearRatioGraphItem(graph, _graphType,
  59                           _width, _palette.nextColor());
  60
  61                         _tracks.append(gi);
  62                         if (_showTracks)
  63                                 addGraph(gi);
  64
  65                         for (QMap<qreal, qreal>::const_iterator it = gi->map().constBegin();
  66                           it != gi->map().constEnd(); ++it)
  67                                 _map.insert(it.key(), _map.value(it.key()) + it.value());
  68                         graphs.append(gi);
  69                 }
  70         }
  71
  72         for (int i = 0; i < data.routes().count(); i++) {
  73                 _palette.nextColor();
  74                 graphs.append(0);
  75         }
  76
  77         for (int i = 0; i < data.areas().count(); i++)
  78                 _palette.nextColor();
  79
  80         setInfo();
  81         redraw();
  82
  83         return graphs;
  84 }
  85
  86 qreal GearRatioGraph::top() const
  87 {
  88         qreal key = NAN, val = NAN;
  89
  90         for (QMap<qreal, qreal>::const_iterator it = _map.constBegin();
  91           it != _map.constEnd(); ++it) {
  92                 if (std::isnan(val) || it.value() > val) {
  93                         val = it.value();
  94                         key = it.key();
  95                 }
  96         }
  97
  98         return key;
  99 }
 100
 101 void GearRatioGraph::clear()
 102 {
 103         qDeleteAll(_tracks);
 104         _tracks.clear();
 105
 106         _map.clear();
 107
 108         GraphTab::clear();
 109 }
 110
 111 void GearRatioGraph::showTracks(bool show)
 112 {
 113         _showTracks = show;
 114
 115         for (int i = 0; i < _tracks.size(); i++) {
 116                 if (show)
 117                         addGraph(_tracks.at(i));
 118                 else
 119                         removeGraph(_tracks.at(i));
 120         }
 121
 122         setInfo();
 123
 124         redraw();
 125 }