src/GUI/speedgraphitem.cpp

   1 #include <QLocale>
   2 #include "tooltip.h"
   3 #include "format.h"
   4 #include "speedgraphitem.h"
   5
   6
   7 SpeedGraphItem::SpeedGraphItem(const Graph &graph, GraphType type, int width,
   8   const QColor &color, qreal movingTime, QGraphicsItem *parent)
   9   : GraphItem(graph, type, width, color, parent)
  10 {
  11         _units = Metric;
  12         _timeType = Total;
  13
  14         _max = GraphItem::max();
  15         _avg = graph.last().last().s() / graph.last().last().t();
  16         _mavg = graph.last().last().s() / movingTime;
  17
  18         setToolTip(toolTip());
  19 }
  20
  21 QString SpeedGraphItem::toolTip() const
  22 {
  23         ToolTip tt;
  24         qreal scale = (_units == Imperial) ? MS2MIH : (_units == Nautical)
  25           ? MS2KN : MS2KMH;
  26         QString su = (_units == Imperial) ? tr("mi/h") : (_units == Nautical)
  27           ? tr("kn") : tr("km/h");
  28         QString pace = Format::timeSpan((3600.0 / ((_timeType == Total)
  29           ? avg() * scale : mavg() * scale)), false);
  30         QString pu = (_units == Metric) ? tr("min/km") : (_units == Imperial) ?
  31           tr("min/mi") : tr("min/nmi");
  32         QLocale l(QLocale::system());
  33
  34         tt.insert(tr("Maximum"), l.toString(max() * scale, 'f', 1)
  35           + UNIT_SPACE + su);
  36         tt.insert(tr("Average"), l.toString((_timeType == Total)
  37           ? avg() * scale : mavg() * scale, 'f', 1) + UNIT_SPACE + su);
  38         tt.insert(tr("Pace"), pace + UNIT_SPACE + pu);
  39
  40         return tt.toString();
  41 }
  42
  43 void SpeedGraphItem::setUnits(Units units)
  44 {
  45         _units = units;
  46         setToolTip(toolTip());
  47 }
  48
  49 void SpeedGraphItem::setTimeType(TimeType type)
  50 {
  51         _timeType = type;
  52         setToolTip(toolTip());
  53 }