Project structure refactoring

src/GUI/elevationgraph.cpp

@@ -0,0 +1,212 @@
+#include <cmath>
+#include "data/data.h"
+#include "config.h"
+#include "tooltip.h"
+#include "elevationgraphitem.h"
+#include "elevationgraph.h"
+
+
+static qreal nMin(qreal a, qreal b)
+{
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMin(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
+
+static qreal nMax(qreal a, qreal b)
+{
+	if (!std::isnan(a) && !std::isnan(b))
+		return qMax(a, b);
+	else if (!std::isnan(a))
+		return a;
+	else if (!std::isnan(b))
+		return b;
+	else
+		return NAN;
+}
+
+ElevationGraph::ElevationGraph(QWidget *parent) : GraphTab(parent)
+{
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
+
+	_showRoutes = true;
+	_showTracks = true;
+
+	setYUnits(Metric);
+	setYLabel(tr("Elevation"));
+	setMinYRange(50.0);
+}
+
+void ElevationGraph::setInfo()
+{
+	if (std::isnan(max()) || std::isnan(min()))
+		clearInfo();
+	else {
+		GraphView::addInfo(tr("Ascent"), QString::number(ascent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Descent"), QString::number(descent() * yScale(),
+		  'f', 0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Maximum"), QString::number(max() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+		GraphView::addInfo(tr("Minimum"), QString::number(min() * yScale(), 'f',
+		  0) + UNIT_SPACE + yUnits());
+	}
+}
+
+void ElevationGraph::loadGraph(const Graph &graph, Type type, PathItem *path)
+{
+	if (graph.size() < 2) {
+		skipColor();
+		return;
+	}
+
+	ElevationGraphItem *gi = new ElevationGraphItem(graph, _graphType);
+	GraphView::addGraph(gi, path, type);
+
+	if (type == Track) {
+		_trackAscent += gi->ascent();
+		_trackDescent += gi->descent();
+		_trackMax = nMax(_trackMax, gi->max());
+		_trackMin = nMin(_trackMin, gi->min());
+	} else {
+		_routeAscent += gi->ascent();
+		_routeDescent += gi->descent();
+		_routeMax = nMax(_routeMax, gi->max());
+		_routeMin = nMin(_routeMin, gi->min());
+	}
+}
+
+void ElevationGraph::loadData(const Data &data, const QList<PathItem *> &paths)
+{
+	int p = 0;
+
+	for (int i = 0; i < data.tracks().count(); i++)
+		loadGraph(data.tracks().at(i)->elevation(), Track, paths.at(p++));
+	for (int i = 0; i < data.routes().count(); i++)
+		loadGraph(data.routes().at(i)->elevation(), Route, paths.at(p++));
+
+	setInfo();
+
+	redraw();
+}
+
+void ElevationGraph::clear()
+{
+	_trackAscent = 0;
+	_routeAscent = 0;
+	_trackDescent = 0;
+	_routeDescent = 0;
+	_trackMin = NAN;
+	_trackMax = NAN;
+	_routeMin = NAN;
+	_routeMax = NAN;
+
+	GraphView::clear();
+}
+
+void ElevationGraph::setYUnits(Units units)
+{
+	if (units == Metric) {
+		GraphView::setYUnits(tr("m"));
+		setYScale(1);
+	} else {
+		GraphView::setYUnits(tr("ft"));
+		setYScale(M2FT);
+	}
+}
+
+void ElevationGraph::setUnits(Units units)
+{
+	setYUnits(units);
+	setInfo();
+
+	GraphView::setUnits(units);
+}
+
+void ElevationGraph::showTracks(bool show)
+{
+	_showTracks = show;
+
+	setInfo();
+	showGraph(show, Track);
+
+	redraw();
+}
+
+void ElevationGraph::showRoutes(bool show)
+{
+	_showRoutes = show;
+
+	showGraph(show, Route);
+	setInfo();
+
+	redraw();
+}
+
+qreal ElevationGraph::ascent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeAscent;
+	if (_showTracks)
+		val += _trackAscent;
+
+	return val;
+}
+
+qreal ElevationGraph::descent() const
+{
+	qreal val = 0;
+
+	if (_showRoutes)
+		val += _routeDescent;
+	if (_showTracks)
+		val += _trackDescent;
+
+	return val;
+}
+
+qreal ElevationGraph::max() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMax(_routeMax, _trackMax);
+	else if (_showTracks)
+		val = _trackMax;
+	else if (_showRoutes)
+		val = _routeMax;
+	else
+		val = NAN;
+
+	return val;
+}
+
+qreal ElevationGraph::min() const
+{
+	qreal val;
+
+	if (_showRoutes && _showTracks)
+		val = nMin(_routeMin, _trackMin);
+	else if (_showTracks)
+		val = _trackMin;
+	else if (_showRoutes)
+		val = _routeMin;
+	else
+		val = NAN;
+
+	return val;
+}