99 lines
3 KiB
Text
99 lines
3 KiB
Text
//= depend_on settings.yml
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//= depend_on settings.local.yml
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//= depend_on layers.yml
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//= require leaflet/dist/leaflet-src
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//= require leaflet.osm
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//= require i18n
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//= require i18n/embed
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if (navigator.languages) {
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I18n.locale = navigator.languages[0];
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} else if (navigator.language) {
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I18n.locale = navigator.language;
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}
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I18n.default_locale = <%= I18n.default_locale.to_json %>;
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I18n.fallbacks = true;
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window.onload = function () {
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const args = Object.fromEntries(new URLSearchParams(window.location.search));
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const tileOptions = {
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mapnik: {
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<% if Settings.key?(:tile_cdn_url) %>
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url: <%= Settings.tile_cdn_url.to_json %>
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<% end %>
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}
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};
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const apiKeys = {
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<% if Settings.key?(:thunderforest_key) %>
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THUNDERFOREST_KEY: <%= Settings.thunderforest_key.to_json %>
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<% end %>
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};
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const map = L.map("map");
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map.attributionControl.setPrefix("");
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map.removeControl(map.attributionControl);
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const isDarkTheme = args.theme === "dark" || (args.theme !== "light" && window.matchMedia("(prefers-color-scheme: dark)").matches);
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const layers = <%=
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YAML.load_file(Rails.root.join("config/layers.yml"))
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.select { |entry| entry["canEmbed"] }
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.each_with_object({}) do |entry, obj|
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obj[entry["layerId"]] = {
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layer: entry["leafletOsmId"],
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darkLayer: entry["leafletOsmDarkId"],
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apiKeyId: entry["apiKeyId"]
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}.compact
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end.to_json
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%>;
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const layerId = (args.layer || "").replaceAll(" ", "");
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const layerConfig = layers[layerId] || layers.mapnik;
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const { layer, ...options } = {
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layer: layerConfig.darkLayer && isDarkTheme ? layerConfig.darkLayer : layerConfig.layer,
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apikey: apiKeys[layerConfig.apiKeyId],
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...tileOptions[layerId]
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};
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new L.OSM[layer](options).addTo(map);
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if (args.marker) {
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L.marker(args.marker.split(","), { icon: L.icon({
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iconUrl: <%= asset_path('leaflet/dist/images/marker-icon.png').to_json %>,
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iconSize: new L.Point(25, 41),
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iconAnchor: new L.Point(12, 41),
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shadowUrl: <%= asset_path('leaflet/dist/images/marker-shadow.png').to_json %>,
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shadowSize: new L.Point(41, 41)
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}) }).addTo(map);
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}
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const bbox = (args.bbox || "-180,-90,180,90").split(",");
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map.fitBounds([[bbox[1], bbox[0]], [bbox[3], bbox[2]]]);
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map.addControl(new L.Control.OSMReportAProblem());
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};
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L.Control.OSMReportAProblem = L.Control.Attribution.extend({
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options: {
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position: "bottomright",
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prefix: `<a href="https://www.openstreetmap.org/fixthemap?lat={x}&lon={y}&zoom={z}" target="_blank">${I18n.t("javascripts.embed.report_problem")}</a>`
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},
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onAdd: function (map) {
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const container = L.Control.Attribution.prototype.onAdd.call(this, map);
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map.on("moveend", this._update, this);
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return container;
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},
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_update: function () {
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L.Control.Attribution.prototype._update.call(this);
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this._container.innerHTML =
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this._container.innerHTML
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.replace("{x}", this._map.getCenter().lat)
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.replace("{y}", this._map.getCenter().lng)
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.replace("{z}", this._map.getZoom());
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}
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});
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