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#include "qcheapruler.hpp"
#include <QString>
QCheapRuler::QCheapRuler()
{
readCoordinateFromFile();
m_Timer = new QTimer(this);
}
QCheapRuler::~QCheapRuler()
{
m_Timer->stop();
m_routpoint.clear();
}
double QCheapRuler::distance() const
{
return m_distance;
}
double QCheapRuler::currentDistance() const
{
return m_currentDistance;
}
void QCheapRuler::setCurrentCoordinate(QString m_latitude,QString m_longitude)
{
double latitude = m_latitude.toDouble();
double longitude = m_longitude.toDouble();
setCurrentPosition(latitude,longitude);
}
void QCheapRuler::setCurrentPosition(double latitude,double longitude)
{
if((latitude == 0.0)&&(longitude == 0.0))
{
emit arrivedDest();
}
else
{
if((m_currentPosition.latitude() != latitude)
||(m_currentPosition.longitude() != longitude))
{
cr::point pre_postion = cr::point(m_currentPosition.longitude(),m_currentPosition.latitude());
cr::point current_postion = cr::point(longitude,latitude);
m_currentDistance += ruler().distance(pre_postion,current_postion);
emit currentDistanceChanged();
m_currentPosition.setLatitude(latitude);
m_currentPosition.setLongitude(longitude);
emit currentPositionChanged();
}
}
}
void QCheapRuler::readRoutePosition()
{
m_index ++;
if(m_index < m_routpoint.size())
{
qDebug("m_index:%d lan:%f lon:%f!\n",m_index,m_routpoint.at(m_index).y,m_routpoint.at(m_index).x);
setCurrentPosition(m_routpoint.at(m_index).y,m_routpoint.at(m_index).x);
}
else
{
m_Timer->stop();
}
}
QGeoCoordinate QCheapRuler::currentPosition() const
{
return m_currentPosition;
}
QJSValue QCheapRuler::path() const
{
// Should neveer be called.
return QJSValue();
}
void QCheapRuler::startnaviDemo()
{
if (m_routpoint.empty()) {
return;
}
m_currentDistance = 0.;
m_index = 0;
connect(m_Timer, SIGNAL(timeout()), this, SLOT(readRoutePosition()));
m_Timer->start(100);
}
void QCheapRuler::stopnaviDemo()
{
m_currentDistance = 0.;
m_index = 0;
m_Timer->stop();
}
void QCheapRuler::setPath(const QJSValue &value)
{
if (!value.isArray())
return;
m_path.clear();
quint32 length = value.property(QStringLiteral("length")).toUInt();
for (unsigned i = 0; i < length; ++i) {
auto property = value.property(i);
cr::point coordinate = { 0., 0. };
if (property.hasProperty(QStringLiteral("latitude")))
coordinate.y = property.property(QStringLiteral("latitude")).toNumber();
if (property.hasProperty(QStringLiteral("longitude")))
coordinate.x = property.property(QStringLiteral("longitude")).toNumber();
m_path.push_back(coordinate);
}
double distance = ruler().lineDistance(m_path);
if (m_distance != distance) {
m_distance = distance;
}
emit pathChanged();
}
cr::CheapRuler QCheapRuler::ruler() const
{
if (m_path.empty()) {
return cr::CheapRuler(0., cr::CheapRuler::Kilometers);
} else {
return cr::CheapRuler(m_currentPosition.latitude(), cr::CheapRuler::Kilometers);
}
}
void QCheapRuler::readCoordinateFromFile()
{
m_routpoint.clear();
QFile *file = new QFile("/var/local/lib/afm/applications/tbtnavi/0.1/Coordinate.txt");
if(!file->exists())
{
file = new QFile(":/qml/Coordinate.txt");
if(!file->exists())
{
qDebug("Coordinate File not exit!\n");
return;
}
}
if(!file->open(QIODevice::ReadOnly | QIODevice::Text))
{
qDebug("Can not open Coordinate File!\n");
return;
}
QTextStream m_StreamIn(file);
while (!m_StreamIn.atEnd()) {
QString line = m_StreamIn.readLine();
QStringList sections = line.split(QRegExp(","));
cr::point temp = cr::point(sections.at(1).trimmed().toDouble(),sections.at(0).trimmed().toDouble());
m_routpoint.push_back(temp);
}
file->close();
}
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