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159 lines
2.9 KiB
C++
159 lines
2.9 KiB
C++
#include <QLocale>
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#include "data/data.h"
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#include "tooltip.h"
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#include "format.h"
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#include "speedgraphitem.h"
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#include "speedgraph.h"
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SpeedGraph::SpeedGraph(QWidget *parent) : GraphTab(parent)
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{
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_units = Metric;
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_timeType = Total;
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_showTracks = true;
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setYUnits();
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setYLabel(tr("Speed"));
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setSliderPrecision(1);
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}
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SpeedGraph::~SpeedGraph()
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{
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qDeleteAll(_tracks);
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}
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void SpeedGraph::setInfo()
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{
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if (_showTracks) {
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QLocale l(QLocale::system());
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QString pace = Format::timeSpan((3600.0 / (avg() * yScale())), false);
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QString pu = (_units == Metric) ? tr("min/km") : (_units == Imperial) ?
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tr("min/mi") : tr("min/nmi");
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GraphView::addInfo(tr("Average"), l.toString(avg() * yScale(), 'f',
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1) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
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1) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Pace"), pace + UNIT_SPACE + pu);
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} else
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clearInfo();
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}
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QList<GraphItem*> SpeedGraph::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.speed();
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if (!graph.isValid()) {
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_palette.nextColor();
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graphs.append(0);
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} else {
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SpeedGraphItem *gi = new SpeedGraphItem(graph, _graphType, _width,
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_palette.nextColor(), track.movingTime());
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gi->setTimeType(_timeType);
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gi->setUnits(_units);
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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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_mavg.append(QPointF(track.distance(), gi->mavg()));
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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 SpeedGraph::avg() const
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{
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qreal sum = 0, w = 0;
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const QVector<QPointF> &vector = (_timeType == Moving) ? _mavg : _avg;
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for (int i = 0; i < vector.size(); i++) {
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const QPointF &p = vector.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 SpeedGraph::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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_mavg.clear();
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GraphTab::clear();
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}
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void SpeedGraph::setYUnits()
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{
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if (_units == Nautical) {
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GraphView::setYUnits(tr("kn"));
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setYScale(MS2KN);
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} else if (_units == Imperial) {
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GraphView::setYUnits(tr("mi/h"));
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setYScale(MS2MIH);
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} else {
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GraphView::setYUnits(tr("km/h"));
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setYScale(MS2KMH);
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}
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}
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void SpeedGraph::setUnits(Units units)
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{
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_units = units;
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setYUnits();
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setInfo();
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GraphView::setUnits(units);
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}
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void SpeedGraph::setTimeType(enum TimeType type)
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{
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_timeType = type;
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for (int i = 0; i < _tracks.size(); i++)
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_tracks.at(i)->setTimeType(type);
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setInfo();
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redraw();
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}
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void SpeedGraph::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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