X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/7f3cb3c6246e6e271761e714cceb081e85a4d245..ff05871e8a431b441b1cb25e8356f0f756c9918e:/app/assets/javascripts/osm.js.erb diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb index e429f4479..602d3af10 100644 --- a/app/assets/javascripts/osm.js.erb +++ b/app/assets/javascripts/osm.js.erb @@ -1,5 +1,6 @@ //= depend_on settings.yml //= depend_on settings.local.yml +//= depend_on layers.yml //= depend_on key.yml //= require qs/dist/qs @@ -30,6 +31,7 @@ OSM = { TRACESTRACK_KEY: <%= Settings.tracestrack_key.to_json %>, <% end %> + LAYER_DEFINITIONS: <%= YAML.load_file(Rails.root.join("config/layers.yml")).to_json %>, LAYERS_WITH_MAP_KEY: <%= YAML.load_file(Rails.root.join("config/key.yml")).keys.to_json %>, MARKER_GREEN: <%= image_path("marker-green.png").to_json %>, @@ -56,16 +58,16 @@ OSM = { return url; }, - params: function(search) { + params: function (search) { var params = {}; - search = (search || window.location.search).replace('?', '').split(/&|;/); + search = (search || window.location.search).replace("?", "").split(/&|;/); for (var i = 0; i < search.length; ++i) { var pair = search[i], - j = pair.indexOf('='), - key = pair.slice(0, j), - val = pair.slice(++j); + j = pair.indexOf("="), + key = pair.slice(0, j), + val = pair.slice(++j); try { params[key] = decodeURIComponent(val); @@ -78,7 +80,7 @@ OSM = { }, mapParams: function (search) { - var params = OSM.params(search), mapParams = {}, loc, match; + var params = OSM.params(search), mapParams = {}, match; if (params.mlon && params.mlat) { mapParams.marker = true; @@ -88,24 +90,26 @@ OSM = { // Old-style object parameters; still in use for edit links e.g. /edit?way=1234 if (params.node) { - mapParams.object = {type: 'node', id: parseInt(params.node)}; + mapParams.object = { type: "node", id: parseInt(params.node, 10) }; } else if (params.way) { - mapParams.object = {type: 'way', id: parseInt(params.way)}; + mapParams.object = { type: "way", id: parseInt(params.way, 10) }; } else if (params.relation) { - mapParams.object = {type: 'relation', id: parseInt(params.relation)}; + mapParams.object = { type: "relation", id: parseInt(params.relation, 10) }; } else if (params.note) { - mapParams.object = {type: 'note', id: parseInt(params.note)}; + mapParams.object = { type: "note", id: parseInt(params.note, 10) }; } var hash = OSM.parseHash(location.hash); + const loc = Cookies.get("_osm_location")?.split("|"); + // Decide on a map starting position. Various ways of doing this. if (hash.center) { mapParams.lon = hash.center.lng; mapParams.lat = hash.center.lat; mapParams.zoom = hash.zoom; } else if (params.bbox) { - var bbox = params.bbox.split(','); + var bbox = params.bbox.split(","); mapParams.bounds = L.latLngBounds( [parseFloat(bbox[1]), parseFloat(bbox[0])], [parseFloat(bbox[3]), parseFloat(bbox[2])]); @@ -116,29 +120,27 @@ OSM = { } else if (params.mlon && params.mlat) { mapParams.lon = parseFloat(params.mlon); mapParams.lat = parseFloat(params.mlat); - mapParams.zoom = parseInt(params.zoom || 12); - } else if (loc = Cookies.get('_osm_location')) { - loc = loc.split("|"); + mapParams.zoom = parseInt(params.zoom || 12, 10); + } else if (loc) { mapParams.lon = parseFloat(loc[0]); mapParams.lat = parseFloat(loc[1]); - mapParams.zoom = parseInt(loc[2]); + mapParams.zoom = parseInt(loc[2], 10); } else if (OSM.home) { mapParams.lon = OSM.home.lon; mapParams.lat = OSM.home.lat; mapParams.zoom = 10; } else if (OSM.location) { mapParams.bounds = L.latLngBounds( - [OSM.location.minlat, - OSM.location.minlon], - [OSM.location.maxlat, - OSM.location.maxlon]); + [OSM.location.minlat, OSM.location.minlon], + [OSM.location.maxlat, OSM.location.maxlon] + ); } else { mapParams.lon = -0.1; mapParams.lat = 51.5; - mapParams.zoom = parseInt(params.zoom || 5); + mapParams.zoom = parseInt(params.zoom || 5, 10); } - mapParams.layers = hash.layers || (loc && loc[3]) || ''; + mapParams.layers = hash.layers || (loc && loc[3]) || ""; var scale = parseFloat(params.scale); if (scale > 0) { @@ -148,20 +150,20 @@ OSM = { return mapParams; }, - parseHash: function(hash) { + parseHash: function (hash) { var args = {}; - var i = hash.indexOf('#'); + var i = hash.indexOf("#"); if (i < 0) { return args; } hash = Qs.parse(hash.slice(i + 1)); - var map = (hash.map || '').split('/'), - zoom = parseInt(map[0], 10), - lat = parseFloat(map[1]), - lon = parseFloat(map[2]); + var map = (hash.map || "").split("/"), + zoom = parseInt(map[0], 10), + lat = parseFloat(map[1]), + lon = parseFloat(map[2]); if (!isNaN(zoom) && !isNaN(lat) && !isNaN(lon)) { args.center = new L.LatLng(lat, lon); @@ -175,7 +177,7 @@ OSM = { return args; }, - formatHash: function(args) { + formatHash: function (args) { var center, zoom, layers; if (args instanceof L.Map) { @@ -185,42 +187,44 @@ OSM = { } else { center = args.center || L.latLng(args.lat, args.lon); zoom = args.zoom; - layers = args.layers || ''; + layers = args.layers || ""; } center = center.wrap(); - layers = layers.replace('M', ''); + layers = layers.replace("M", ""); var precision = OSM.zoomPrecision(zoom), - hash = '#map=' + zoom + - '/' + center.lat.toFixed(precision) + - '/' + center.lng.toFixed(precision); + hash = "#map=" + zoom + + "/" + center.lat.toFixed(precision) + + "/" + center.lng.toFixed(precision); if (layers) { - hash += '&layers=' + layers; + hash += "&layers=" + layers; } return hash; }, - zoomPrecision: function(zoom) { - return Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2)); + zoomPrecision: function (zoom) { + var pixels = Math.pow(2, 8 + zoom); + var degrees = 180; + return Math.ceil(Math.log10(pixels / degrees)); }, - locationCookie: function(map) { + locationCookie: function (map) { var center = map.getCenter().wrap(), - zoom = map.getZoom(), - precision = OSM.zoomPrecision(zoom); - return [center.lng.toFixed(precision), center.lat.toFixed(precision), zoom, map.getLayersCode()].join('|'); + zoom = map.getZoom(), + precision = OSM.zoomPrecision(zoom); + return [center.lng.toFixed(precision), center.lat.toFixed(precision), zoom, map.getLayersCode()].join("|"); }, - distance: function(latlng1, latlng2) { + distance: function (latlng1, latlng2) { var lat1 = latlng1.lat * Math.PI / 180, - lng1 = latlng1.lng * Math.PI / 180, - lat2 = latlng2.lat * Math.PI / 180, - lng2 = latlng2.lng * Math.PI / 180, - latdiff = lat2 - lat1, - lngdiff = lng2 - lng1; + lng1 = latlng1.lng * Math.PI / 180, + lat2 = latlng2.lat * Math.PI / 180, + lng2 = latlng2.lng * Math.PI / 180, + latdiff = lat2 - lat1, + lngdiff = lng2 - lng1; return 6372795 * 2 * Math.asin( Math.sqrt(