1 //= require download_util
2 L.extend(L.LatLngBounds.prototype, {
4 return (this._northEast.lat - this._southWest.lat) *
5 (this._northEast.lng - this._southWest.lng);
9 L.OSM.Map = L.Map.extend({
10 initialize: function (id, options) {
11 L.Map.prototype.initialize.call(this, id, options);
13 this.baseLayers = OSM.LAYER_DEFINITIONS.map((
14 { credit, nameId, leafletOsmId, leafletOsmDarkId, style, styleDark, ...layerOptions }
16 if (credit) layerOptions.attribution = makeAttribution(credit);
17 if (nameId) layerOptions.name = OSM.i18n.t(`javascripts.map.base.${nameId}`);
20 if (OSM.isDarkMap()) {
21 layerConstructor = L.OSM[leafletOsmDarkId] ?? L.OSM[leafletOsmId] ?? L.OSM.TileLayer;
22 layerOptions.url = layerOptions.urlDark ?? layerOptions.url;
24 layerConstructor = L.OSM[leafletOsmId] ?? L.OSM.TileLayer;
27 layerOptions.url = layerOptions.url?.replace("{ratio}", "{r}");
29 const layer = new layerConstructor(layerOptions);
30 layer.on("add", () => {
31 this.fire("baselayerchange", { layer: layer });
33 layer.options.style = (OSM.isDarkMap() && styleDark) || style;
37 this.noteLayer = new L.FeatureGroup();
38 this.noteLayer.options = { code: "N" };
40 this.dataLayer = new L.OSM.DataLayer(null);
41 this.dataLayer.options.code = "D";
43 this.gpsLayer = new L.OSM.GPS({
47 this.gpsLayer.on("add", () => {
48 this.fire("overlayadd", { layer: this.gpsLayer });
49 }).on("remove", () => {
50 this.fire("overlayremove", { layer: this.gpsLayer });
53 this.on("baselayerchange", function (event) {
54 if (this.baseLayers.indexOf(event.layer) >= 0) {
55 this.setMaxZoom(event.layer.options.maxZoom);
59 function makeAttribution(credit) {
62 attribution += OSM.i18n.t("javascripts.map.copyright_text", {
63 copyright_link: $("<a>", {
65 text: OSM.i18n.t("javascripts.map.openstreetmap_contributors")
69 attribution += credit.donate ? " ♥️ " : ". ";
70 attribution += makeCredit(credit);
73 attribution += $("<a>", {
74 href: "https://wiki.osmfoundation.org/wiki/Terms_of_Use",
75 text: OSM.i18n.t("javascripts.map.website_and_api_terms")
81 function makeCredit(credit) {
83 for (const childId in credit.children) {
84 children[childId] = makeCredit(credit.children[childId]);
86 const text = OSM.i18n.t(`javascripts.map.${credit.id}`, children);
90 const link = $("<a>", {
95 link.addClass("donate-attr");
97 link.attr("target", "_blank");
99 return link.prop("outerHTML");
103 updateLayers: function (layerParam) {
104 const oldBaseLayer = this.getMapBaseLayer();
107 for (const layer of this.baseLayers) {
108 if (!newBaseLayer || layerParam.includes(layer.options.code)) {
109 newBaseLayer = layer;
113 if (newBaseLayer !== oldBaseLayer) {
114 if (oldBaseLayer) this.removeLayer(oldBaseLayer);
115 if (newBaseLayer) this.addLayer(newBaseLayer);
119 getLayersCode: function () {
120 let layerConfig = "";
121 this.eachLayer(function (layer) {
122 if (layer.options && layer.options.code) {
123 layerConfig += layer.options.code;
129 getMapBaseLayerId: function () {
130 const layer = this.getMapBaseLayer();
131 if (layer) return layer.options.layerId;
134 getMapBaseLayer: function () {
135 for (const layer of this.baseLayers) {
136 if (this.hasLayer(layer)) return layer;
140 getUrl: function (marker) {
143 if (marker && this.hasLayer(marker)) {
144 const { lat, lng } = OSM.cropLocation(marker.getLatLng(), this.getZoom());
149 let url = location.protocol + "//" + OSM.SERVER_URL + "/";
150 const query = new URLSearchParams(params),
151 hash = OSM.formatHash(this);
153 if (query) url += "?" + query;
154 if (hash) url += hash;
159 getShortUrl: function (marker) {
160 const zoom = this.getZoom(),
161 latLng = marker && this.hasLayer(marker) ? marker.getLatLng().wrap() : this.getCenter().wrap(),
162 char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~",
163 x = Math.round((latLng.lng + 180.0) * ((1 << 30) / 90.0)),
164 y = Math.round((latLng.lat + 90.0) * ((1 << 30) / 45.0)),
165 // JavaScript only has to keep 32 bits of bitwise operators, so this has to be
166 // done in two parts. each of the parts c1/c2 has 30 bits of the total in it
167 // and drops the last 4 bits of the full 64 bit Morton code.
168 c1 = interlace(x >>> 17, y >>> 17),
169 c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff);
170 let str = location.protocol + "//" + location.hostname.replace(/^www\.openstreetmap\.org/i, "osm.org") + "/go/";
172 for (let i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) {
173 const digit = (c1 >> (24 - (6 * i))) & 0x3f;
174 str += char_array.charAt(digit);
176 for (let i = 5; i < Math.ceil((zoom + 8) / 3.0); ++i) {
177 const digit = (c2 >> (24 - (6 * (i - 5)))) & 0x3f;
178 str += char_array.charAt(digit);
180 for (let i = 0; i < ((zoom + 8) % 3); ++i) str += "-";
182 // Called to interlace the bits in x and y, making a Morton code.
183 function interlace(x, y) {
184 let interlaced_x = x,
186 interlaced_x = (interlaced_x | (interlaced_x << 8)) & 0x00ff00ff;
187 interlaced_x = (interlaced_x | (interlaced_x << 4)) & 0x0f0f0f0f;
188 interlaced_x = (interlaced_x | (interlaced_x << 2)) & 0x33333333;
189 interlaced_x = (interlaced_x | (interlaced_x << 1)) & 0x55555555;
190 interlaced_y = (interlaced_y | (interlaced_y << 8)) & 0x00ff00ff;
191 interlaced_y = (interlaced_y | (interlaced_y << 4)) & 0x0f0f0f0f;
192 interlaced_y = (interlaced_y | (interlaced_y << 2)) & 0x33333333;
193 interlaced_y = (interlaced_y | (interlaced_y << 1)) & 0x55555555;
194 return (interlaced_x << 1) | interlaced_y;
197 const params = new URLSearchParams();
198 const layers = this.getLayersCode().replace("M", "");
201 params.set("layers", layers);
204 if (marker && this.hasLayer(marker)) {
209 params.set(this._object.type, this._object.id);
212 const query = params.toString();
220 getGeoUri: function (marker) {
221 let latLng = this.getCenter();
222 const zoom = this.getZoom();
224 if (marker && this.hasLayer(marker)) {
225 latLng = marker.getLatLng();
228 const { lat, lng } = OSM.cropLocation(latLng, zoom);
229 return `geo:${lat},${lng}?z=${zoom}`;
232 addObject: function (object, callback) {
233 class ElementGoneError extends Error {
234 constructor(message = "Element is gone") {
236 this.name = "ElementGoneError";
240 const objectStyle = {
247 const changesetStyle = {
264 if (object.type === "note" || object.type === "changeset") {
265 this._objectLoader = { abort: () => {} };
267 this._object = object;
268 this._objectLayer = L.featureGroup().addTo(this);
270 if (object.type === "note") {
271 L.circleMarker(object.latLng, haloStyle).addTo(this._objectLayer);
274 L.marker(object.latLng, {
278 }).addTo(this._objectLayer);
280 } else if (object.type === "changeset") {
283 [object.bbox.minlat, object.bbox.minlon],
284 [object.bbox.maxlat, object.bbox.maxlon]
285 ], changesetStyle).addTo(this._objectLayer);
289 if (callback) callback(this._objectLayer.getBounds());
290 this.fire("overlayadd", { layer: this._objectLayer });
291 } else { // element handled by L.OSM.DataLayer
293 this._objectLoader = new AbortController();
294 fetch(OSM.apiUrl(object), {
295 headers: { accept: "application/json", ...OSM.oauth },
296 signal: this._objectLoader.signal
298 .then(async response => {
300 return response.json();
303 if (response.status === 410) {
304 throw new ElementGoneError();
307 const status = response.statusText || response.status;
308 if (response.status !== 400 && response.status !== 509) {
309 throw new Error(status);
312 const text = await response.text();
313 throw new Error(text || status);
315 .then(function (data) {
316 const visible_data = {
318 elements: data.elements?.filter(el => el.visible !== false) ?? []
321 map._object = object;
323 map._objectLayer = new L.OSM.DataLayer(null, {
328 changeset: changesetStyle
332 map._objectLayer.interestingNode = function (node, wayNodes, relationNodes) {
333 return object.type === "node" ||
334 (object.type === "relation" && Boolean(relationNodes[node.id]));
337 map._objectLayer.addData(visible_data);
338 map._objectLayer.addTo(map);
340 if (callback) callback(map._objectLayer.getBounds());
341 map.fire("overlayadd", { layer: map._objectLayer });
342 $("#browse_status").empty();
344 .catch(function (error) {
345 if (error.name === "AbortError") return;
346 if (error instanceof ElementGoneError) {
347 $("#browse_status").empty();
350 OSM.displayLoadError(error?.message, () => {
351 $("#browse_status").empty();
357 removeObject: function () {
359 if (this._objectLoader) this._objectLoader.abort();
360 if (this._objectLayer) this.removeLayer(this._objectLayer);
361 this.fire("overlayremove", { layer: this._objectLayer });
364 getState: function () {
366 center: this.getCenter().wrap(),
367 zoom: this.getZoom(),
368 layers: this.getLayersCode()
372 setState: function (state, options) {
373 if (state.center) this.setView(state.center, state.zoom, options);
374 if (state.layers) this.updateLayers(state.layers);
377 setSidebarOverlaid: function (overlaid) {
378 const mediumDeviceWidth = window.getComputedStyle(document.documentElement).getPropertyValue("--bs-breakpoint-md");
379 const isMediumDevice = window.matchMedia(`(max-width: ${mediumDeviceWidth})`).matches;
380 const sidebarWidth = $("#sidebar").width();
381 const sidebarHeight = $("#sidebar").height();
382 if (overlaid && !$("#content").hasClass("overlay-sidebar")) {
383 $("#content").addClass("overlay-sidebar");
384 this.invalidateSize({ pan: false });
385 if (isMediumDevice) {
386 this.panBy([0, -sidebarHeight], { animate: false });
387 } else if ($("html").attr("dir") !== "rtl") {
388 this.panBy([-sidebarWidth, 0], { animate: false });
390 } else if (!overlaid && $("#content").hasClass("overlay-sidebar")) {
391 if (isMediumDevice) {
392 this.panBy([0, $("#map").height() / 2], { animate: false });
393 } else if ($("html").attr("dir") !== "rtl") {
394 this.panBy([sidebarWidth, 0], { animate: false });
396 $("#content").removeClass("overlay-sidebar");
397 this.invalidateSize({ pan: false });
403 OSM.isDarkMap = function () {
404 const mapTheme = $("body").attr("data-map-theme");
405 if (mapTheme) return mapTheme === "dark";
406 return window.matchMedia("(prefers-color-scheme: dark)").matches;
409 OSM.getMarker = function ({ icon = "dot", color = "var(--marker-red)", ...options }) {
410 const html = `<svg viewBox="0 0 25 40" class="pe-none" overflow="visible"><use href="#pin-shadow" /><use href="#pin-${icon}" color="${color}" class="pe-auto" /></svg>`;
415 iconAnchor: [12.5, 40],
416 popupAnchor: [1, -34]
421 "closed": OSM.getMarker({ icon: "tick", color: "var(--marker-green)" }),
422 "new": OSM.getMarker({ icon: "plus", color: "var(--marker-blue)" }),
423 "open": OSM.getMarker({ icon: "cross", color: "var(--marker-red)" })