src/GUI/heartrategraphitem.cpp

   1 #include <QLocale>
   2 #include "tooltip.h"
   3 #include "heartrategraphitem.h"
   4
   5
   6 HeartRateGraphItem::HeartRateGraphItem(const Graph &graph, GraphType type,
   7   QGraphicsItem *parent) : GraphItem(graph, type, parent)
   8 {
   9         qreal sum = 0;
  10         _max = graph.first().y();
  11
  12         for (int i = 1; i < graph.size(); i++) {
  13                 qreal y = graph.at(i).y();
  14                 sum += y * (graph.at(i).s() - graph.at(i-1).s());
  15                 if (y > _max)
  16                         _max = y;
  17         }
  18         _avg = sum/graph.last().s();
  19
  20         setToolTip(toolTip());
  21 }
  22
  23 QString HeartRateGraphItem::toolTip() const
  24 {
  25         ToolTip tt;
  26         QLocale l(QLocale::system());
  27
  28         tt.insert(tr("Maximum"), l.toString(max(), 'f', 0)
  29           + UNIT_SPACE + tr("bpm"));
  30         tt.insert(tr("Average"), l.toString(avg(), 'f', 0)
  31           + UNIT_SPACE + tr("bpm"));
  32
  33         return tt.toString();
  34 }