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.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'); } } });