211 lines
6.3 KiB
Text
211 lines
6.3 KiB
Text
//= depend_on application.yml
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OSM = {
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<% if defined?(PIWIK) %>
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PIWIK: <%= PIWIK.to_json %>,
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<% end %>
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MAX_REQUEST_AREA: <%= MAX_REQUEST_AREA.to_json %>,
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SERVER_URL: <%= SERVER_URL.to_json %>,
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API_VERSION: <%= API_VERSION.to_json %>,
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STATUS: <%= STATUS.to_json %>,
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MAX_NOTE_REQUEST_AREA: <%= MAX_NOTE_REQUEST_AREA.to_json %>,
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OVERPASS_URL: <%= OVERPASS_URL.to_json %>,
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NOMINATIM_URL: <%= NOMINATIM_URL.to_json %>,
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<% if defined?(MAPQUEST_KEY) %>
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MAPQUEST_KEY: <%= MAPQUEST_KEY.to_json %>,
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<% end %>
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<% if defined?(MAPZEN_VALHALLA_KEY) %>
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MAPZEN_VALHALLA_KEY: <%= MAPZEN_VALHALLA_KEY.to_json %>,
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<% end %>
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MARKER_GREEN: <%= image_path("marker-green.png").to_json %>,
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MARKER_RED: <%= image_path("marker-red.png").to_json %>,
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MARKER_ICON: <%= image_path("images/marker-icon.png").to_json %>,
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MARKER_ICON_2X: <%= image_path("images/marker-icon-2x.png").to_json %>,
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MARKER_SHADOW: <%= image_path("images/marker-shadow.png").to_json %>,
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NEW_NOTE_MARKER: <%= image_path("new_note_marker.png").to_json %>,
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OPEN_NOTE_MARKER: <%= image_path("open_note_marker.png").to_json %>,
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CLOSED_NOTE_MARKER: <%= image_path("closed_note_marker.png").to_json %>,
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apiUrl: function (object) {
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var url = "/api/" + OSM.API_VERSION + "/" + object.type + "/" + object.id;
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if (object.type === "way" || object.type === "relation") {
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url += "/full";
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} else if (object.version) {
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url += "/" + object.version;
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}
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return url;
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},
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params: function(search) {
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var params = {};
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search = (search || window.location.search).replace('?', '').split(/&|;/);
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for (var i = 0; i < search.length; ++i) {
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var pair = search[i],
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j = pair.indexOf('='),
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key = pair.slice(0, j),
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val = pair.slice(++j);
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params[key] = decodeURIComponent(val);
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}
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return params;
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},
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mapParams: function (search) {
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var params = OSM.params(search), mapParams = {}, loc, match;
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if (params.mlon && params.mlat) {
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mapParams.marker = true;
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mapParams.mlon = parseFloat(params.mlon);
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mapParams.mlat = parseFloat(params.mlat);
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}
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// Old-style object parameters; still in use for edit links e.g. /edit?way=1234
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if (params.node) {
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mapParams.object = {type: 'node', id: parseInt(params.node)};
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} else if (params.way) {
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mapParams.object = {type: 'way', id: parseInt(params.way)};
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} else if (params.relation) {
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mapParams.object = {type: 'relation', id: parseInt(params.relation)};
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}
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var hash = OSM.parseHash(location.hash);
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// Decide on a map starting position. Various ways of doing this.
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if (hash.center) {
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mapParams.lon = hash.center.lng;
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mapParams.lat = hash.center.lat;
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mapParams.zoom = hash.zoom;
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} else if (params.bbox) {
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var bbox = params.bbox.split(',');
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mapParams.bounds = L.latLngBounds(
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[parseFloat(bbox[1]), parseFloat(bbox[0])],
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[parseFloat(bbox[3]), parseFloat(bbox[2])]);
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} else if (params.minlon && params.minlat && params.maxlon && params.maxlat) {
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mapParams.bounds = L.latLngBounds(
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[parseFloat(params.minlat), parseFloat(params.minlon)],
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[parseFloat(params.maxlat), parseFloat(params.maxlon)]);
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} else if (params.mlon && params.mlat) {
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mapParams.lon = parseFloat(params.mlon);
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mapParams.lat = parseFloat(params.mlat);
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mapParams.zoom = parseInt(params.zoom || 12);
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} else if (loc = $.cookie('_osm_location')) {
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loc = loc.split("|");
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mapParams.lon = parseFloat(loc[0]);
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mapParams.lat = parseFloat(loc[1]);
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mapParams.zoom = parseInt(loc[2]);
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} else if (OSM.home) {
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mapParams.lon = OSM.home.lon;
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mapParams.lat = OSM.home.lat;
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mapParams.zoom = 10;
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} else if (OSM.location) {
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mapParams.bounds = L.latLngBounds(
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[OSM.location.minlat,
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OSM.location.minlon],
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[OSM.location.maxlat,
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OSM.location.maxlon]);
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} else {
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mapParams.lon = -0.1;
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mapParams.lat = 51.5;
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mapParams.zoom = parseInt(params.zoom || 5);
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}
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mapParams.layers = hash.layers || (loc && loc[3]) || '';
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var scale = parseFloat(params.scale);
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if (scale > 0) {
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mapParams.zoom = Math.log(360.0 / (scale * 512.0)) / Math.log(2.0);
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}
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return mapParams;
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},
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parseHash: function(hash) {
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var args = {};
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var i = hash.indexOf('#');
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if (i < 0) {
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return args;
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}
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hash = querystring.parse(hash.substr(i + 1));
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var map = (hash.map || '').split('/'),
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zoom = parseInt(map[0], 10),
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lat = parseFloat(map[1]),
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lon = parseFloat(map[2]);
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if (!isNaN(zoom) && !isNaN(lat) && !isNaN(lon)) {
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args.center = new L.LatLng(lat, lon);
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args.zoom = zoom;
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}
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if (hash.layers) {
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args.layers = hash.layers;
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}
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return args;
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},
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formatHash: function(args) {
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var center, zoom, layers;
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if (args instanceof L.Map) {
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center = args.getCenter();
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zoom = args.getZoom();
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layers = args.getLayersCode();
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} else {
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center = args.center || L.latLng(args.lat, args.lon);
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zoom = args.zoom;
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layers = args.layers || '';
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}
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center = center.wrap();
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layers = layers.replace('M', '');
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var precision = OSM.zoomPrecision(zoom),
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hash = '#map=' + zoom +
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'/' + center.lat.toFixed(precision) +
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'/' + center.lng.toFixed(precision);
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if (layers) {
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hash += '&layers=' + layers;
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}
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return hash;
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},
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zoomPrecision: function(zoom) {
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return Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
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},
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locationCookie: function(map) {
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var center = map.getCenter().wrap(),
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zoom = map.getZoom(),
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precision = OSM.zoomPrecision(zoom);
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return [center.lng.toFixed(precision), center.lat.toFixed(precision), zoom, map.getLayersCode()].join('|');
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},
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distance: function(latlng1, latlng2) {
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var lat1 = latlng1.lat * Math.PI / 180,
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lng1 = latlng1.lng * Math.PI / 180,
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lat2 = latlng2.lat * Math.PI / 180,
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lng2 = latlng2.lng * Math.PI / 180,
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latdiff = lat2 - lat1,
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lngdiff = lng2 - lng1;
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return 6372795 * 2 * Math.asin(
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Math.sqrt(
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Math.pow(Math.sin(latdiff / 2), 2) +
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Math.cos(lat1) * Math.cos(lat2) * Math.pow(Math.sin(lngdiff / 2), 2)
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));
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}
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};
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