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document.addEventListener("DOMContentLoaded", function() {
const geoLocationButton = document.getElementById('geolocationsearch');
const mkTextNode = function(className, textContent) {
const node = document.createElement("span");
node.className = className;
node.textContent = textContent;
return node
}
const processResult = function(results) {
const list = document.createElement("ul");
list.className = "stops";
if (results.error) {
showError("Backend-Fehler:", results.msg);
return;
}
for (var result in results) {
result = results[result];
const listentry = document.createElement("li");
const link = document.createElement("a");
const note = document.createElement("span");
const lines = document.createElement("span");
link.className = "name";
link.textContent = result.name;
link.href = "/board/" + result.id;
note.className = "distance";
if (result.distance >= 1000) {
note.textContent = (result.distance / 1000).toFixed(1) + " km"
} else {
note.textContent = result.distance + " m"
}
lines.className = "lines";
if (result.products.nationalExpress) {
lines.appendChild(mkTextNode("longdistance", "ICE"));
}
if (result.products.national) {
lines.appendChild(mkTextNode("longdistance", "IC"));
}
if (result.products.regionalExp) {
lines.appendChild(mkTextNode("longdistance", "RE"));
}
if (result.products.regional) {
lines.appendChild(mkTextNode("longdistance", "R"));
}
if (result.products.suburban) {
lines.appendChild(mkTextNode("suburban", "S"));
}
if (result.products.tram) {
lines.appendChild(mkTextNode("tram", "T"));
}
if (result.products.bus) {
lines.appendChild(mkTextNode("bus", "Bus"));
}
if (result.products.ferry) {
lines.appendChild(mkTextNode("bus", "Fähre"));
}
if (result.products.taxi) {
lines.appendChild(mkTextNode("taxi", "AST"));
}
listentry.appendChild(link);
listentry.appendChild(note);
listentry.appendChild(lines);
list.appendChild(listentry);
}
geoLocationButton.replaceWith(list);
};
const processLocation = function(loc) {
fetch('/geolocation', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
lon: loc.coords.longitude,
lat: loc.coords.latitude
})
}).then(response => response.json()).then(processResult);
};
const showError = function(header, text, code) {
const errnode = document.createElement("div");
const errhead = document.createElement("strong");
const errtext = document.createTextNode(text);
const errcode = document.createElement("div");
errnode.className = "error";
errcode.className = "errcode";
errhead.textContent = header;
errcode.textContent = code;
errnode.appendChild(errhead);
errnode.appendChild(errtext);
errnode.appendChild(errcode);
geoLocationButton.replaceWith(errnode);
}
const processError = function(error) {
if (error.code == error.PERMISSION_DENIED) {
showError('Standortanfrage nicht möglich.', 'Vermutlich fehlen die Rechte im Browser oder der Android Location Service ist deaktiviert.', 'geolocation.error.PERMISSION_DENIED');
} else if (error.code == error.POSITION_UNAVAILABLE) {
showError('Standort konnte nicht ermittelt werden', 'Service nicht verfügbar', 'geolocation.error.POSITION_UNAVAILABLE');
} else if (error.code == error.TIMEOUT) {
showError('Standort konnte nicht ermittelt werden', 'Timeout', 'geolocation.error.TIMEOUT');
} else {
showError('Standort konnte nicht ermittelt werden', 'unbekannter Fehler', 'unknown geolocation.error code');
}
};
const getGeoLocation = function() {
geoLocationButton.textContent = "Suche Haltestellen ...";
geoLocationButton.disabled = true;
navigator.geolocation.getCurrentPosition(processLocation, processError);
}
if (geoLocationButton) {
if (navigator.geolocation) {
if (navigator.permissions) {
navigator.permissions.query({ name:'geolocation' }).then(function(value) {
if (value.state === 'prompt') {
geoLocationButton.addEventListener('click', getGeoLocation);
} else {
getGeoLocation();
}
});
} else {
geoLocationButton.addEventListener('click', getGeoLocation);
}
} else {
geoLocationButton.css('visibility', 'hidden');
}
}
});
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