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leaflet.map.js.erb
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leaflet.map.js.erb
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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.OSM.Map = L.Map.extend({
initialize: function(id, options) {
L.Map.prototype.initialize.call(this, id, options);
var copyright = I18n.t('javascripts.map.copyright', {copyright_url: '/copyright'});
var donate = I18n.t('javascripts.map.donate_link_text', {donate_url: 'http://donate.openstreetmap.org'});
this.baseLayers = [
new L.OSM.Historical({
attribution: "<a href='http://wiki.openstreetmap.org/wiki/OHM'>OHM</a>",
keyid: "historical",
code: "H",
name: I18n.t("javascripts.map.base.historical")
}),
new L.OSM.Mapnik({
attribution: copyright + " ♥ " + donate,
code: "M",
keyid: "mapnik",
name: I18n.t("javascripts.map.base.standard")
}),
new L.OSM.OHM_2008({
attribution: "<a href='http://wiki.openstreetmap.org/wiki/OHM'>OHM</a>",
code: "8",
keyid: "ohm_2008",
name: I18n.t("javascripts.map.base.2008")
}),
new L.OSM.OHM_2009({
attribution: "<a href='http://wiki.openstreetmap.org/wiki/OHM'>OHM</a>",
code: "9",
keyid: "ohm_2009",
name: I18n.t("javascripts.map.base.2009")
}),
// this is the entry for the new experimental search by start year feature
new L.OSM.OHM_YEAR( {
attribution: "<a href='http://wiki.openstreetmap.org/wiki/OHM'>OHM</a>",
code: "T", // T for Time
keyid: "ohm_year",
name: l18n.t("javascripts.map.base.year")
})
];
this.noteLayer = new L.FeatureGroup();
this.noteLayer.options = {code: 'N'};
this.dataLayer = new L.OSM.DataLayer(null);
this.dataLayer.options.code = 'D';
},
updateLayers: function(layerParam) {
layerParam = layerParam || "H";
var layersAdded = "";
for (var i = this.baseLayers.length - 1; i >= 0; i--) {
if (layerParam.indexOf(this.baseLayers[i].options.code) >= 0) {
this.addLayer(this.baseLayers[i]);
layersAdded = layersAdded + this.baseLayers[i].options.code;
} else if (i == 0 && layersAdded == "") {
this.addLayer(this.baseLayers[i]);
} else {
this.removeLayer(this.baseLayers[i]);
}
}
},
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 = OSM.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);
}
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 = {};
var layers = this.getLayersCode().replace('M', '');
if (layers) {
params.layers = layers;
}
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, callback) {
var objectStyle = {
color: "#FF6200",
weight: 4,
opacity: 1,
fillOpacity: 0.5
};
var changesetStyle = {
weight: 4,
color: '#FF9500',
opacity: 1,
fillOpacity: 0,
clickable: false
};
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: objectStyle,
way: objectStyle,
area: objectStyle,
changeset: changesetStyle
}
});
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);
map._objectLayer.addTo(map);
if (callback) callback(map._objectLayer.getBounds());
}
});
},
removeObject: function() {
this._object = null;
if (this._objectLoader) this._objectLoader.abort();
if (this._objectLayer) this.removeLayer(this._objectLayer);
},
getState: function() {
return {
center: this.getCenter().wrap(),
zoom: this.getZoom(),
layers: this.getLayersCode()
}
},
setState: function(state, options) {
if (state.center) this.setView(state.center, state.zoom, options);
if (state.layers) this.updateLayers(state.layers);
}
});
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];
}
});
function getUserIcon(url) {
return L.icon({
iconUrl: url || <%= asset_path('marker-red.png').to_json %>,
iconSize: [25, 41],
iconAnchor: [12, 41],
popupAnchor: [1, -34],
shadowUrl: <%= asset_path('images/marker-shadow.png').to_json %>,
shadowSize: [41, 41]
});
}