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annotate bandmap/static/js/bandmap.js @ 1200:b9514abc2a67

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Initial commit of ssg101.
author Brian Neal <bgneal@gmail.com>
date Sat, 24 Jun 2023 16:06:51 -0500
parents 19b5a6ae3bca
children
rev   line source
bgneal@821 1 var bandmap = null;
bgneal@821 2 var geocoder = null;
bgneal@827 3 var surfbands = [];
bgneal@827 4 var map_options = {
bgneal@827 5 center: {lat: 15.0, lng: -30.0},
bgneal@827 6 zoom: 2
bgneal@827 7 };
bgneal@827 8 var info_win = null;
bgneal@821 9
bgneal@821 10 function addBandOnSubmit(event) {
bgneal@821 11 var location = $('#id_location').val();
bgneal@821 12 if (!location) {
bgneal@821 13 alert("Please enter a location");
bgneal@821 14 return false;
bgneal@821 15 }
bgneal@821 16 var button = $(this);
bgneal@821 17 button.attr('disabled', 'disabled');
bgneal@821 18 var form = $('#bandmap-add-form');
bgneal@821 19 geocoder.geocode({'address': location}, function(results, status) {
bgneal@821 20 button.removeAttr('disabled');
bgneal@821 21 if (status == google.maps.GeocoderStatus.OK) {
bgneal@821 22 $('#id_lat').val(results[0].geometry.location.lat().toString());
bgneal@821 23 $('#id_lon').val(results[0].geometry.location.lng().toString());
bgneal@821 24 $(form).submit();
bgneal@821 25 }
bgneal@821 26 else {
bgneal@821 27 var msg = "Geocode unsuccessful: " + status + "\n" +
bgneal@821 28 "Enter a new location";
bgneal@821 29 alert(msg);
bgneal@821 30 }
bgneal@821 31 });
bgneal@821 32 return false;
bgneal@821 33 }
bgneal@821 34
bgneal@827 35
bgneal@827 36 function refreshMap() {
bgneal@827 37 bandmap.setOptions(map_options);
bgneal@827 38 $.each(surfbands, function(i, band) {
bgneal@827 39 band.marker.setMap(null);
bgneal@827 40 });
bgneal@827 41 surfbands.length = 0;
bgneal@827 42 var band_sel = $('#map-bands');
bgneal@827 43 band_sel[0].length = 0;
bgneal@827 44 band_sel.append($('<option>', {value: -1}).html('(select)'));
bgneal@827 45 var count_span = $('#map-band-count');
bgneal@827 46 count_span.html('0');
bgneal@827 47 var filter = $('#map-filter option:selected').val();
bgneal@827 48
bgneal@827 49 $.getJSON('/bandmap/query/', {show: filter},
bgneal@827 50 function(data) {
bgneal@827 51 $.each(data, function(i, band) {
bgneal@827 52 band_sel.append($('<option>', {value: i, text: band.name}));
bgneal@827 53 var marker = new google.maps.Marker({
bgneal@827 54 position: {lat: band.lat, lng: band.lon},
bgneal@827 55 title: band.name,
bgneal@993 56 icon: band.is_active ? "https://maps.google.com/mapfiles/ms/icons/green-dot.png"
bgneal@993 57 : "https://maps.google.com/mapfiles/ms/icons/red-dot.png",
bgneal@827 58 map: bandmap
bgneal@827 59 });
bgneal@827 60 google.maps.event.addListener(marker, 'click', function() {
bgneal@827 61 info_win.setContent(band.note);
bgneal@827 62 info_win.open(bandmap, marker);
bgneal@827 63 });
bgneal@827 64 surfbands[i] = band;
bgneal@827 65 surfbands[i].marker = marker;
bgneal@827 66 });
bgneal@827 67 count_span.html(data.length);
bgneal@827 68 });
bgneal@827 69 }
bgneal@827 70
bgneal@820 71 $(document).ready(function() {
bgneal@820 72 var map_div = $('#map-canvas');
bgneal@820 73 if (map_div.length) {
bgneal@821 74 bandmap = new google.maps.Map(map_div[0], map_options);
bgneal@832 75 info_win = new google.maps.InfoWindow({maxWidth: 300});
bgneal@827 76 $('#map-filter-go').click(refreshMap);
bgneal@827 77 $('#map-bands').change(function() {
bgneal@827 78 var n = $('option:selected', this).val();
bgneal@827 79 if (n != -1) {
bgneal@827 80 info_win.setContent(surfbands[n].note);
bgneal@827 81 info_win.open(bandmap, surfbands[n].marker);
bgneal@827 82 }
bgneal@827 83 });
bgneal@827 84 refreshMap();
bgneal@820 85 }
bgneal@820 86
bgneal@820 87 var add_form = $('#bandmap-add-form');
bgneal@820 88 if (add_form.length) {
bgneal@821 89 geocoder = new google.maps.Geocoder();
bgneal@821 90 $('#bandmap-add-submit').click(addBandOnSubmit);
bgneal@820 91 }
bgneal@820 92 });