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116 lines
2.2 KiB
C++
116 lines
2.2 KiB
C++
#include <QLocale>
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#include "data/data.h"
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#include "gearratiographitem.h"
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#include "gearratiograph.h"
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GearRatioGraph::GearRatioGraph(QWidget *parent) : GraphTab(parent)
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{
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_showTracks = true;
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GraphView::setYUnits("");
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setYLabel(tr("Gear ratio"));
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setSliderPrecision(2);
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}
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GearRatioGraph::~GearRatioGraph()
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{
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qDeleteAll(_tracks);
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}
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void GearRatioGraph::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("Most used"), l.toString(top() * yScale(),
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'f', 2) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Minimum"), l.toString(min() * yScale(), 'f',
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2) + UNIT_SPACE + yUnits());
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GraphView::addInfo(tr("Maximum"), l.toString(max() * yScale(), 'f',
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2) + UNIT_SPACE + yUnits());
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} else
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clearInfo();
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}
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QList<GraphItem*> GearRatioGraph::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 Graph &graph = data.tracks().at(i).ratio();
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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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GearRatioGraphItem *gi = new GearRatioGraphItem(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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for (QMap<qreal, qreal>::const_iterator it = gi->map().constBegin();
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it != gi->map().constEnd(); ++it)
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_map.insert(it.key(), _map.value(it.key()) + it.value());
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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 GearRatioGraph::top() const
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{
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qreal key = NAN, val = NAN;
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for (QMap<qreal, qreal>::const_iterator it = _map.constBegin();
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it != _map.constEnd(); ++it) {
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if (std::isnan(val) || it.value() > val) {
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val = it.value();
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key = it.key();
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}
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}
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return key;
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}
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void GearRatioGraph::clear()
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{
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qDeleteAll(_tracks);
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_tracks.clear();
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_map.clear();
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GraphTab::clear();
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}
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void GearRatioGraph::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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