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-rw-r--r--public/static/js/geolocation.js55
1 files changed, 55 insertions, 0 deletions
diff --git a/public/static/js/geolocation.js b/public/static/js/geolocation.js
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+$(document).ready(function() {
+ var prePlaceholder = $('p.geolocationhint');
+ var placeholder = $('div.geolocation div.progress');
+ var showError = function(header, message, code) {
+ prePlaceholder.remove();
+ placeholder.remove();
+ };
+
+ var processResult = function(data) {
+ if (data.error) {
+ showError('Backend-Fehler:', data.error, null);
+ } else if (data.candidates.length == 0) {
+ showError('Keine Bahnhöfe in 70km Umkreis gefunden', '', null);
+ } else {
+ resultTable = $('<table><tbody></tbody></table>')
+ resultBody = resultTable.children();
+ $.each(data.candidates, function(i, candidate) {
+
+ var ds100 = candidate.ds100,
+ name = candidate.name,
+ distance = candidate.distance;
+ distance = distance.toFixed(1);
+
+ var stationlink = $(document.createElement('a'));
+ stationlink.attr('href', ds100);
+ stationlink.text(name);
+
+ resultBody.append('<tr><td><a href="/' + ds100 + '">' + name + '</a></td></tr>');
+ });
+ placeholder.replaceWith(resultTable);
+ }
+ };
+
+ var processLocation = function(loc) {
+ $.post('/x/geolocation', {lon: loc.coords.longitude, lat: loc.coords.latitude}, processResult);
+ };
+
+ var 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');
+ }
+ };
+
+ if (navigator.geolocation) {
+ navigator.geolocation.getCurrentPosition(processLocation, processError);
+ } else {
+ showError('Standortanfragen werden von diesem Browser nicht unterstützt', '', null);
+ }
+});