a7cdb0298d
Fix maximum zoom levels for various layers and ensure that the map can't be zoomed beyond the limit of the current base layer. Fixes #1978
318 lines
9.3 KiB
JavaScript
318 lines
9.3 KiB
JavaScript
L.extend(L.LatLngBounds.prototype, {
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getSize: function () {
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return (this._northEast.lat - this._southWest.lat) *
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(this._northEast.lng - this._southWest.lng);
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},
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wrap: function () {
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return new L.LatLngBounds(this._southWest.wrap(), this._northEast.wrap());
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}
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});
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L.OSM.Map = L.Map.extend({
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initialize: function(id, options) {
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L.Map.prototype.initialize.call(this, id, options);
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var copyright = I18n.t('javascripts.map.copyright', {copyright_url: '/copyright'});
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var donate = I18n.t('javascripts.map.donate_link_text', {donate_url: 'https://donate.openstreetmap.org'});
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this.baseLayers = [];
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this.baseLayers.push(new L.OSM.Mapnik({
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attribution: copyright + " ♥ " + donate,
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code: "M",
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keyid: "mapnik",
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name: I18n.t("javascripts.map.base.standard")
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}));
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if (OSM.THUNDERFOREST_KEY) {
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this.baseLayers.push(new L.OSM.CycleMap({
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attribution: copyright + ". Tiles courtesy of <a href='https://www.thunderforest.com/' target='_blank'>Andy Allan</a>",
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apikey: OSM.THUNDERFOREST_KEY,
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code: "C",
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keyid: "cyclemap",
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name: I18n.t("javascripts.map.base.cycle_map")
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}));
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this.baseLayers.push(new L.OSM.TransportMap({
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attribution: copyright + ". Tiles courtesy of <a href='https://www.thunderforest.com/' target='_blank'>Andy Allan</a>",
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apikey: OSM.THUNDERFOREST_KEY,
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code: "T",
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keyid: "transportmap",
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name: I18n.t("javascripts.map.base.transport_map")
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}));
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}
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this.baseLayers.push(new L.OSM.HOT({
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attribution: copyright + ". Tiles style by <a href='https://www.hotosm.org/' target='_blank'>Humanitarian OpenStreetMap Team</a>" + " hosted by <a href='https://openstreetmap.fr/' target='_blank'>OpenStreetMap France</a>",
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code: "H",
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keyid: "hot",
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name: I18n.t("javascripts.map.base.hot")
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}));
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this.noteLayer = new L.FeatureGroup();
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this.noteLayer.options = {code: 'N'};
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this.dataLayer = new L.OSM.DataLayer(null);
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this.dataLayer.options.code = 'D';
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this.gpsLayer = new L.OSM.GPS({
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pane: "overlayPane",
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code: "G",
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name: I18n.t("javascripts.map.base.gps")
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});
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this.on("layeradd", function (event) {
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if (this.baseLayers.indexOf(event.layer) >= 0) {
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this.setMaxZoom(event.layer.options.maxZoom);
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}
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});
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},
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updateLayers: function(layerParam) {
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layerParam = layerParam || "M";
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var layersAdded = "";
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for (var i = this.baseLayers.length - 1; i >= 0; i--) {
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if (layerParam.indexOf(this.baseLayers[i].options.code) >= 0) {
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this.addLayer(this.baseLayers[i]);
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layersAdded = layersAdded + this.baseLayers[i].options.code;
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} else if (i === 0 && layersAdded === "") {
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this.addLayer(this.baseLayers[i]);
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} else {
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this.removeLayer(this.baseLayers[i]);
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}
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}
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},
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getLayersCode: function () {
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var layerConfig = '';
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for (var i in this._layers) { // TODO: map.eachLayer
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var layer = this._layers[i];
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if (layer.options && layer.options.code) {
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layerConfig += layer.options.code;
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}
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}
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return layerConfig;
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},
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getMapBaseLayerId: function () {
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for (var i in this._layers) { // TODO: map.eachLayer
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var layer = this._layers[i];
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if (layer.options && layer.options.keyid) return layer.options.keyid;
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}
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},
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getUrl: function(marker) {
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var precision = OSM.zoomPrecision(this.getZoom()),
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params = {};
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if (marker && this.hasLayer(marker)) {
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var latLng = marker.getLatLng().wrap();
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params.mlat = latLng.lat.toFixed(precision);
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params.mlon = latLng.lng.toFixed(precision);
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}
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var url = window.location.protocol + '//' + OSM.SERVER_URL + '/',
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query = querystring.stringify(params),
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hash = OSM.formatHash(this);
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if (query) url += '?' + query;
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if (hash) url += hash;
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return url;
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},
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getShortUrl: function(marker) {
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var zoom = this.getZoom(),
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latLng = marker && this.hasLayer(marker) ? marker.getLatLng().wrap() : this.getCenter().wrap(),
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str = window.location.hostname.match(/^www\.openstreetmap\.org/i) ?
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window.location.protocol + '//osm.org/go/' :
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window.location.protocol + '//' + window.location.hostname + '/go/',
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char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~",
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x = Math.round((latLng.lng + 180.0) * ((1 << 30) / 90.0)),
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y = Math.round((latLng.lat + 90.0) * ((1 << 30) / 45.0)),
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// JavaScript only has to keep 32 bits of bitwise operators, so this has to be
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// done in two parts. each of the parts c1/c2 has 30 bits of the total in it
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// and drops the last 4 bits of the full 64 bit Morton code.
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c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff),
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digit;
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for (var i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) {
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digit = (c1 >> (24 - 6 * i)) & 0x3f;
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str += char_array.charAt(digit);
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}
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for (i = 5; i < Math.ceil((zoom + 8) / 3.0); ++i) {
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digit = (c2 >> (24 - 6 * (i - 5))) & 0x3f;
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str += char_array.charAt(digit);
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}
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for (i = 0; i < ((zoom + 8) % 3); ++i) str += "-";
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// Called to interlace the bits in x and y, making a Morton code.
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function interlace(x, y) {
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x = (x | (x << 8)) & 0x00ff00ff;
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x = (x | (x << 4)) & 0x0f0f0f0f;
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x = (x | (x << 2)) & 0x33333333;
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x = (x | (x << 1)) & 0x55555555;
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y = (y | (y << 8)) & 0x00ff00ff;
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y = (y | (y << 4)) & 0x0f0f0f0f;
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y = (y | (y << 2)) & 0x33333333;
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y = (y | (y << 1)) & 0x55555555;
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return (x << 1) | y;
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}
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var params = {};
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var layers = this.getLayersCode().replace('M', '');
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if (layers) {
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params.layers = layers;
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}
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if (marker && this.hasLayer(marker)) {
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params.m = '';
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}
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if (this._object) {
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params[this._object.type] = this._object.id;
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}
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var query = querystring.stringify(params);
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if (query) {
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str += '?' + query;
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}
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return str;
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},
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getGeoUri: function(marker) {
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var precision = OSM.zoomPrecision(this.getZoom()),
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latLng,
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params = {};
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if (marker && this.hasLayer(marker)) {
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latLng = marker.getLatLng().wrap();
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} else {
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latLng = this.getCenter();
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}
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params.lat = latLng.lat.toFixed(precision);
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params.lon = latLng.lng.toFixed(precision);
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params.zoom = this.getZoom();
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return 'geo:' + params.lat + ',' + params.lon + '?z=' + params.zoom;
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},
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addObject: function(object, callback) {
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var objectStyle = {
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color: "#FF6200",
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weight: 4,
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opacity: 1,
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fillOpacity: 0.5
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};
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var changesetStyle = {
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weight: 4,
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color: '#FF9500',
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opacity: 1,
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fillOpacity: 0,
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interactive: false
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};
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this.removeObject();
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var map = this;
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this._objectLoader = $.ajax({
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url: OSM.apiUrl(object),
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dataType: "xml",
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success: function (xml) {
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map._object = object;
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map._objectLayer = new L.OSM.DataLayer(null, {
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styles: {
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node: objectStyle,
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way: objectStyle,
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area: objectStyle,
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changeset: changesetStyle
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}
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});
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map._objectLayer.interestingNode = function (node, ways, relations) {
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if (object.type === "node") {
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return true;
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} else if (object.type === "relation") {
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for (var i = 0; i < relations.length; i++)
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if (relations[i].members.indexOf(node) !== -1)
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return true;
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} else {
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return false;
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}
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};
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map._objectLayer.addData(xml);
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map._objectLayer.addTo(map);
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if (callback) callback(map._objectLayer.getBounds());
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}
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});
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},
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removeObject: function() {
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this._object = null;
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if (this._objectLoader) this._objectLoader.abort();
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if (this._objectLayer) this.removeLayer(this._objectLayer);
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},
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getState: function() {
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return {
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center: this.getCenter().wrap(),
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zoom: this.getZoom(),
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layers: this.getLayersCode()
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};
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},
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setState: function(state, options) {
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if (state.center) this.setView(state.center, state.zoom, options);
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if (state.layers) this.updateLayers(state.layers);
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},
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setSidebarOverlaid: function(overlaid) {
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if (overlaid && !$("#content").hasClass("overlay-sidebar")) {
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$("#content").addClass("overlay-sidebar");
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this.invalidateSize({pan: false})
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.panBy([-350, 0], {animate: false});
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} else if (!overlaid && $("#content").hasClass("overlay-sidebar")) {
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this.panBy([350, 0], {animate: false});
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$("#content").removeClass("overlay-sidebar");
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this.invalidateSize({pan: false});
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}
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return this;
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}
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});
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L.Icon.Default.imagePath = "/images/";
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L.Icon.Default.imageUrls = {
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"/images/marker-icon.png": OSM.MARKER_ICON,
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"/images/marker-icon-2x.png": OSM.MARKER_ICON_2X,
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"/images/marker-shadow.png": OSM.MARKER_SHADOW
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};
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L.extend(L.Icon.Default.prototype, {
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_oldGetIconUrl: L.Icon.Default.prototype._getIconUrl,
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_getIconUrl: function (name) {
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var url = this._oldGetIconUrl(name);
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return L.Icon.Default.imageUrls[url];
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}
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});
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OSM.getUserIcon = function (url) {
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return L.icon({
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iconUrl: url || OSM.MARKER_RED,
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iconSize: [25, 41],
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iconAnchor: [12, 41],
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popupAnchor: [1, -34],
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shadowUrl: OSM.MARKER_SHADOW,
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shadowSize: [41, 41]
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});
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};
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