L.extend(L.LatLngBounds.prototype, { getSize: function () { return (this._northEast.lat - this._southWest.lat) * (this._northEast.lng - this._southWest.lng); }, wrap: function () { return new L.LatLngBounds(this._southWest.wrap(), this._northEast.wrap()); } }); L.extend(L.Map.prototype, { getLayersCode: function () { var layerConfig = ''; for (var i in this._layers) { // TODO: map.eachLayer var layer = this._layers[i]; if (layer.options && layer.options.code) { layerConfig += layer.options.code; } } return layerConfig; }, getMapBaseLayerId: function () { for (var i in this._layers) { // TODO: map.eachLayer var layer = this._layers[i]; if (layer.options && layer.options.keyid) return layer.options.keyid; } }, getUrl: function(marker) { var precision = zoomPrecision(this.getZoom()), params = {}; if (marker && this.hasLayer(marker)) { var latLng = marker.getLatLng().wrap(); params.mlat = latLng.lat.toFixed(precision); params.mlon = latLng.lng.toFixed(precision); } if (this._object) { params[this._object.type] = this._object.id; } var url = 'http://' + OSM.SERVER_URL + '/', query = querystring.stringify(params), hash = OSM.formatHash(this); if (query) url += '?' + query; if (hash) url += hash; return url; }, getShortUrl: function(marker) { var zoom = this.getZoom(), latLng = marker && this.hasLayer(marker) ? marker.getLatLng().wrap() : this.getCenter().wrap(), str = window.location.hostname.match(/^www\.openstreetmap\.org/i) ? 'http://osm.org/go/' : 'http://' + window.location.hostname + '/go/', char_array = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_~", x = Math.round((latLng.lng + 180.0) * ((1 << 30) / 90.0)), y = Math.round((latLng.lat + 90.0) * ((1 << 30) / 45.0)), // JavaScript only has to keep 32 bits of bitwise operators, so this has to be // done in two parts. each of the parts c1/c2 has 30 bits of the total in it // and drops the last 4 bits of the full 64 bit Morton code. c1 = interlace(x >>> 17, y >>> 17), c2 = interlace((x >>> 2) & 0x7fff, (y >>> 2) & 0x7fff), digit; for (var i = 0; i < Math.ceil((zoom + 8) / 3.0) && i < 5; ++i) { digit = (c1 >> (24 - 6 * i)) & 0x3f; str += char_array.charAt(digit); } for (i = 5; i < Math.ceil((zoom + 8) / 3.0); ++i) { digit = (c2 >> (24 - 6 * (i - 5))) & 0x3f; str += char_array.charAt(digit); } for (i = 0; i < ((zoom + 8) % 3); ++i) str += "-"; // Called to interlace the bits in x and y, making a Morton code. function interlace(x, y) { x = (x | (x << 8)) & 0x00ff00ff; x = (x | (x << 4)) & 0x0f0f0f0f; x = (x | (x << 2)) & 0x33333333; x = (x | (x << 1)) & 0x55555555; y = (y | (y << 8)) & 0x00ff00ff; y = (y | (y << 4)) & 0x0f0f0f0f; y = (y | (y << 2)) & 0x33333333; y = (y | (y << 1)) & 0x55555555; return (x << 1) | y; } var params = {}; if (marker && this.hasLayer(marker)) { params.m = ''; } if (this._object) { params[this._object.type] = this._object.id; } var query = querystring.stringify(params); if (query) { str += '?' + query; } return str; }, addObject: function(object, options) { this._object = object; if (this._objectLoader) this._objectLoader.abort(); if (this._objectLayer) this.removeLayer(this._objectLayer); var map = this; this._objectLoader = $.ajax({ url: OSM.apiUrl(object), dataType: "xml", success: function (xml) { map._objectLayer = new L.OSM.DataLayer(null, { styles: { node: options.style, way: options.style, area: options.style, changeset: { weight: 2, color: '#e90', fillOpacity: 0 } } }); map._objectLayer.interestingNode = function (node, ways, relations) { if (object.type === "node") { return true; } else if (object.type === "relation") { for (var i = 0; i < relations.length; i++) if (relations[i].members.indexOf(node) != -1) return true; } else { return false; } }; map._objectLayer.addData(xml); var bounds = map._objectLayer.getBounds(); if (options.zoom && bounds.isValid()) map.fitBounds(bounds); if (options.callback) options.callback(bounds); map._objectLayer.addTo(map); } }); }, removeObject: function() { this._object = null; if (this._objectLoader) this._objectLoader.abort(); if (this._objectLayer) this.removeLayer(this._objectLayer); } }); L.Icon.Default.imagePath = "/images"; L.Icon.Default.imageUrls = { "/images/marker-icon.png": "<%= asset_path("images/marker-icon.png") %>", "/images/marker-icon-2x.png": "<%= asset_path("images/marker-icon-2x.png") %>", "/images/marker-shadow.png": "<%= asset_path("images/marker-shadow.png") %>", "/images/marker-shadow-2x.png": "<%= asset_path("images/marker-shadow-2x.png") %>" }; L.extend(L.Icon.Default.prototype, { _oldGetIconUrl: L.Icon.Default.prototype._getIconUrl, _getIconUrl: function (name) { var url = this._oldGetIconUrl(name); return L.Icon.Default.imageUrls[url]; } }); L.Hash.prototype.parseHash = OSM.parseHash; L.Hash.prototype.formatHash = OSM.formatHash;