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GPXSee/src/GUI/gearratiograph.cpp
2019-08-25 10:54:25 +02:00

116 lines
2.2 KiB
C++

#include <QLocale>
#include "data/data.h"
#include "gearratiographitem.h"
#include "gearratiograph.h"
GearRatioGraph::GearRatioGraph(QWidget *parent) : GraphTab(parent)
{
_showTracks = true;
GraphView::setYUnits("");
setYLabel(tr("Gear ratio"));
setSliderPrecision(2);
}
GearRatioGraph::~GearRatioGraph()
{
qDeleteAll(_tracks);
}
void GearRatioGraph::setInfo()
{
if (_showTracks) {
QLocale l(QLocale::system());
GraphView::addInfo(tr("Most used"), l.toString(top() * yScale(),
'f', 2) + UNIT_SPACE + yUnits());
GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale(), 'f',
2) + UNIT_SPACE + yUnits());
GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
2) + UNIT_SPACE + yUnits());
} else
clearInfo();
}
QList<GraphItem*> GearRatioGraph::loadData(const Data &data)
{
QList<GraphItem*> graphs;
for (int i = 0; i < data.tracks().count(); i++) {
const Graph &graph = data.tracks().at(i).ratio();
if (!graph.isValid()) {
_palette.nextColor();
graphs.append(0);
} else {
GearRatioGraphItem *gi = new GearRatioGraphItem(graph, _graphType,
_width, _palette.nextColor());
_tracks.append(gi);
if (_showTracks)
addGraph(gi);
for (QMap<qreal, qreal>::const_iterator it = gi->map().constBegin();
it != gi->map().constEnd(); ++it)
_map.insert(it.key(), _map.value(it.key()) + it.value());
graphs.append(gi);
}
}
for (int i = 0; i < data.routes().count(); i++) {
_palette.nextColor();
graphs.append(0);
}
for (int i = 0; i < data.areas().count(); i++)
_palette.nextColor();
setInfo();
redraw();
return graphs;
}
qreal GearRatioGraph::top() const
{
qreal key = NAN, val = NAN;
for (QMap<qreal, qreal>::const_iterator it = _map.constBegin();
it != _map.constEnd(); ++it) {
if (std::isnan(val) || it.value() > val) {
val = it.value();
key = it.key();
}
}
return key;
}
void GearRatioGraph::clear()
{
qDeleteAll(_tracks);
_tracks.clear();
_map.clear();
GraphTab::clear();
}
void GearRatioGraph::showTracks(bool show)
{
_showTracks = show;
for (int i = 0; i < _tracks.size(); i++) {
if (show)
addGraph(_tracks.at(i));
else
removeGraph(_tracks.at(i));
}
setInfo();
redraw();
}