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118 lines
2.2 KiB
C++
118 lines
2.2 KiB
C++
#include <QLocale>
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#include "data/data.h"
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#include "heartrategraphitem.h"
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#include "heartrategraph.h"
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HeartRateGraph::HeartRateGraph(QWidget *parent) : GraphTab(parent)
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{
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_showTracks = false;
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GraphView::setYUnits(tr("bpm"));
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setYLabel(tr("Heart rate"));
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setSliderPrecision(0);
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}
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HeartRateGraph::~HeartRateGraph()
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{
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qDeleteAll(_tracks);
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}
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void HeartRateGraph::setInfo()
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{
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if (_showTracks) {
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QLocale l(QLocale::system());
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#ifdef Q_OS_ANDROID
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GraphView::addInfo(tr("Avg"), l.toString(avg() * yScale(), 'f', 0)
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+ UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Max"), l.toString(max() * yScale(), 'f', 0)
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+ UNIT_SPACE + yUnits());
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#else // Q_OS_ANDROID
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GraphView::addInfo(tr("Average"), l.toString(avg() * yScale(), 'f',
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0) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
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0) + UNIT_SPACE + yUnits());
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#endif // Q_OS_ANDROID
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} else
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clearInfo();
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}
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QList<GraphItem*> HeartRateGraph::loadData(const Data &data)
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{
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QList<GraphItem*> graphs;
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for (int i = 0; i < data.tracks().count(); i++) {
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const Track &track = data.tracks().at(i);
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const Graph &graph = track.heartRate();
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if (graph.isEmpty()) {
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_palette.nextColor();
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graphs.append(0);
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} else {
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HeartRateGraphItem *gi = new HeartRateGraphItem(graph, _graphType,
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_width, _palette.nextColor());
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_tracks.append(gi);
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if (_showTracks)
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addGraph(gi);
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_avg.append(QPointF(track.distance(), gi->avg()));
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graphs.append(gi);
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}
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}
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for (int i = 0; i < data.routes().count(); i++) {
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_palette.nextColor();
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graphs.append(0);
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}
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for (int i = 0; i < data.areas().count(); i++)
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_palette.nextColor();
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setInfo();
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redraw();
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return graphs;
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}
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qreal HeartRateGraph::avg() const
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{
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qreal sum = 0, w = 0;
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for (int i = 0; i < _avg.size(); i++) {
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const QPointF &p = _avg.at(i);
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sum += p.y() * p.x();
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w += p.x();
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}
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return (sum / w);
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}
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void HeartRateGraph::clear()
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{
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qDeleteAll(_tracks);
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_tracks.clear();
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_avg.clear();
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GraphTab::clear();
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}
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void HeartRateGraph::showTracks(bool show)
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{
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_showTracks = show;
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for (int i = 0; i < _tracks.size(); i++) {
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if (show)
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addGraph(_tracks.at(i));
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else
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removeGraph(_tracks.at(i));
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}
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setInfo();
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redraw();
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}
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