formathandler.cpp

/** @file formathandler.cpp
 * Soubor s tridou FormatHandler dedici ze trify QObject pro prevadeni gps souradnic a casu
 * do pozadovaneho formatu
 */

#include "formathandler.h"

FormatHandler::FormatHandler()
    : QObject()
{
    formatGps = "dm";
    formatDateTime = "dd.M.yyyy hh:mm:ss";
}

QString FormatHandler::gpsInFormat(double l)
{
    QString lStr;
    if (formatGps == "d") { // stupne
        if (l < 0) {
            l *= -1;
        }
        lStr = QString::number(l, 'f', 5);
    } else if (formatGps == "dm") { // stupne minuty
        lStr = convertDegreeToDM(l);
    } else { // stupne minuty sekundy
        lStr = convertDegreeToDMS(l);
    }
    return lStr;
}

QString FormatHandler::gpsAllInFormat(double lat, double lon)
{
    QString latStr = gpsInFormat(lat);
    QString lonStr = gpsInFormat(lon);
    return QString("%1%2 %3%4")
        .arg(latStr)
        .arg(lat >= 0 ? tr("N ") : tr("S "))
        .arg(lonStr)
        .arg(lon >= 0 ? tr("E") : tr("W"));
}

QString FormatHandler::convertDegreeToDM(double l)
{
    if (l < 0) {
        l *= -1;
    }
    int degree = l;
    double min = (l - degree) * 60;

    return QString::number(degree) + "°" + QString::number(min, 'f', 3) + "'";
}

QString FormatHandler::convertDegreeToDMS(double l)
{
    if (l < 0) {
        l = l * (-1);
    }
    int degree = l;
    double minTmp = (l - degree) * 60;

    int min = static_cast<int>(minTmp);
    double sec = (minTmp - min) * 60;
    return QString("%1°%2'%3\"").arg(degree).arg(min).arg(QString::number(sec, 'f', 2));
}