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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset='utf-8' /> | ||
| <title>Locator map {{ .Version }}</title> | ||
| <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' /> | ||
| <script src='{{ .TilesURL }}/mapbox-gl.js'></script> | ||
| <link href='{{ .TilesURL }}/mapbox-gl.css' rel='stylesheet' /> | ||
| <style> | ||
| body { margin:0; padding:0; } | ||
| #map { position:absolute; top:0; bottom:0; width:100%; } | ||
| </style> | ||
| </head> | ||
| <body> | ||
|
|
||
| <div id='map'></div> | ||
| <script> | ||
| const map = new mapboxgl.Map({ | ||
| container: 'map', | ||
| style: '{{ .TilesURL }}/osm-liberty-gl.style', | ||
| center: [{{ .Lng }}, {{ .Lat }}], | ||
| zoom: 6, | ||
| maxZoom: 15, | ||
| minZoom: 6, | ||
| {{ if .TilesKey}} | ||
| transformRequest: (url, resourceType)=> { | ||
| if(resourceType === 'Tile') { | ||
| return { | ||
| url: url, | ||
| headers: { 'X-Key': '{{ .TilesKey }}'} | ||
| } | ||
| } | ||
| } | ||
| {{ end }} | ||
| }); | ||
| // Add zoom and rotation controls to the map. | ||
| map.addControl(new mapboxgl.NavigationControl()); | ||
| // Add geolocate control to the map. | ||
| map.addControl(new mapboxgl.GeolocateControl({ | ||
| positionOptions: { | ||
| enableHighAccuracy: false | ||
| }, | ||
| trackUserLocation: true | ||
| })); | ||
| function urlForBounds() { | ||
| const urlParams = new URLSearchParams(location.search); | ||
| let topic = 'metar'; | ||
| if (urlParams.has('topic')) { | ||
| topic = urlParams.get('topic'); | ||
| } | ||
| const mapBounds = map.getBounds(); | ||
| return "/api/rect/" + "/" + mapBounds.getNorthEast().lat + "/" + mapBounds.getNorthEast().lng + | ||
| "/" + mapBounds.getSouthWest().lat + "/" + mapBounds.getSouthWest().lng; | ||
| } | ||
| map.on('load', function () { | ||
| map.addSource('points', { type: 'geojson', data: urlForBounds() }); | ||
| map.addLayer({ | ||
| "id": "points", | ||
| "type": "symbol", | ||
| "source": "points", | ||
| "layout": { | ||
| "icon-image": "airport_11", | ||
| "text-field": ["get", "key"], | ||
| "text-font": ["Roboto Regular"], | ||
| "text-variable-anchor": ["top"], | ||
| "text-justify": "auto", | ||
| "text-radial-offset": 0.7, | ||
| } | ||
| }); | ||
| }); | ||
| map.on('click', 'points', function (e) { | ||
| const key = e.features[0].properties.key; | ||
| const coordinates = e.features[0].geometry.coordinates.slice(); | ||
|
|
||
| const xhr = new XMLHttpRequest(); | ||
| xhr.open('GET', "/api/data/" + "/" + key, true); | ||
| xhr.onload = function() { | ||
| if (xhr.status !== 200) { | ||
| return; | ||
| } | ||
| let data = JSON.parse(xhr.responseText); | ||
| // Ensure that if the map is zoomed out such that multiple | ||
| // copies of the feature are visible, the popup appears | ||
| // over the copy being pointed to. | ||
| while (Math.abs(e.lngLat.lng - coordinates[0]) > 180) { | ||
| coordinates[0] += e.lngLat.lng > coordinates[0] ? 360 : -360; | ||
| } | ||
| new mapboxgl.Popup() | ||
| .setLngLat(coordinates) | ||
| .setHTML(data.properties.data) | ||
| .addTo(map); | ||
| }; | ||
| xhr.send(); | ||
| }); | ||
| map.on('moveend', function () { | ||
| map.getSource('points').setData(urlForBounds()); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> | ||
|
|
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