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92 lines
1.6 KiB
C++
92 lines
1.6 KiB
C++
#include <QLocale>
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#include "data/data.h"
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#include "powergraphitem.h"
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#include "powergraph.h"
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PowerGraph::PowerGraph(QWidget *parent) : GraphTab(parent)
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{
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_showTracks = true;
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GraphView::setYUnits(tr("W"));
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setYLabel(tr("Power"));
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setSliderPrecision(1);
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}
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void PowerGraph::setInfo()
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{
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if (_showTracks) {
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QLocale l(QLocale::system());
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GraphView::addInfo(tr("Average"), l.toString(avg() * yScale()
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+ yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale()
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+ yOffset(), 'f', 1) + UNIT_SPACE + yUnits());
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} else
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clearInfo();
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}
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QList<GraphItem*> PowerGraph::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.power();
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if (!graph.isValid()) {
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skipColor();
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graphs.append(0);
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} else {
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PowerGraphItem *gi = new PowerGraphItem(graph, _graphType);
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GraphView::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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skipColor();
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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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skipColor();
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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 PowerGraph::avg() const
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{
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qreal sum = 0, w = 0;
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QList<QPointF>::const_iterator it;
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for (it = _avg.begin(); it != _avg.end(); it++) {
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sum += it->y() * it->x();
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w += it->x();
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}
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return (sum / w);
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}
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void PowerGraph::clear()
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{
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_avg.clear();
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GraphView::clear();
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}
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void PowerGraph::showTracks(bool show)
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{
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_showTracks = show;
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showGraph(show);
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setInfo();
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redraw();
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}
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