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nc-gpxedit/js/Control.Geocoder.js

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(function (factory) {
// Packaging/modules magic dance
var L;
if (typeof define === 'function' && define.amd) {
// AMD
define(['leaflet'], factory);
} else if (typeof module !== 'undefined') {
// Node/CommonJS
L = require('leaflet');
module.exports = factory(L);
} else {
// Browser globals
if (typeof window.L === 'undefined')
throw 'Leaflet must be loaded first';
factory(window.L);
}
}(function (L) {
'use strict';
L.Control.Geocoder = L.Control.extend({
options: {
showResultIcons: false,
collapsed: true,
expand: 'click',
position: 'topright',
placeholder: 'Search...',
errorMessage: 'Nothing found.'
},
_callbackId: 0,
initialize: function (options) {
L.Util.setOptions(this, options);
if (!this.options.geocoder) {
this.options.geocoder = new L.Control.Geocoder.Nominatim();
}
},
onAdd: function (map) {
var className = 'leaflet-control-geocoder',
container = L.DomUtil.create('div', className),
icon = L.DomUtil.create('div', 'leaflet-control-geocoder-icon', container),
form = this._form = L.DomUtil.create('form', className + '-form', container),
input;
this._map = map;
this._container = container;
input = this._input = L.DomUtil.create('input');
input.type = 'text';
input.placeholder = this.options.placeholder;
L.DomEvent.addListener(input, 'keydown', this._keydown, this);
//L.DomEvent.addListener(input, 'onpaste', this._clearResults, this);
//L.DomEvent.addListener(input, 'oninput', this._clearResults, this);
this._errorElement = document.createElement('div');
this._errorElement.className = className + '-form-no-error';
this._errorElement.innerHTML = this.options.errorMessage;
this._alts = L.DomUtil.create('ul', className + '-alternatives leaflet-control-geocoder-alternatives-minimized');
form.appendChild(input);
form.appendChild(this._errorElement);
container.appendChild(this._alts);
L.DomEvent.addListener(form, 'submit', this._geocode, this);
if (this.options.collapsed) {
if (this.options.expand === 'click') {
L.DomEvent.addListener(icon, 'click', function(e) {
// TODO: touch
if (e.button === 0 && e.detail !== 2) {
this._toggle();
}
}, this);
} else {
L.DomEvent.addListener(icon, 'mouseover', this._expand, this);
L.DomEvent.addListener(icon, 'mouseout', this._collapse, this);
this._map.on('movestart', this._collapse, this);
}
} else {
this._expand();
}
L.DomEvent.disableClickPropagation(container);
return container;
},
_geocodeResult: function (results) {
L.DomUtil.removeClass(this._container, 'leaflet-control-geocoder-throbber');
if (results.length === 1) {
this._geocodeResultSelected(results[0]);
} else if (results.length > 0) {
this._alts.innerHTML = '';
this._results = results;
L.DomUtil.removeClass(this._alts, 'leaflet-control-geocoder-alternatives-minimized');
for (var i = 0; i < results.length; i++) {
this._alts.appendChild(this._createAlt(results[i], i));
}
} else {
L.DomUtil.addClass(this._errorElement, 'leaflet-control-geocoder-error');
}
},
markGeocode: function(result) {
this._map.fitBounds(result.bbox);
if (this._geocodeMarker) {
this._map.removeLayer(this._geocodeMarker);
}
this._geocodeMarker = new L.Marker(result.center)
.bindPopup(result.html || result.name)
.addTo(this._map)
.openPopup();
return this;
},
_geocode: function(event) {
L.DomEvent.preventDefault(event);
L.DomUtil.addClass(this._container, 'leaflet-control-geocoder-throbber');
this._clearResults();
this.options.geocoder.geocode(this._input.value, this._geocodeResult, this);
return false;
},
_geocodeResultSelected: function(result) {
if (this.options.collapsed) {
this._collapse();
} else {
this._clearResults();
}
this.markGeocode(result);
},
_toggle: function() {
if (this._container.className.indexOf('leaflet-control-geocoder-expanded') >= 0) {
this._collapse();
} else {
this._expand();
}
},
_expand: function () {
L.DomUtil.addClass(this._container, 'leaflet-control-geocoder-expanded');
this._input.select();
},
_collapse: function () {
this._container.className = this._container.className.replace(' leaflet-control-geocoder-expanded', '');
L.DomUtil.addClass(this._alts, 'leaflet-control-geocoder-alternatives-minimized');
L.DomUtil.removeClass(this._errorElement, 'leaflet-control-geocoder-error');
},
_clearResults: function () {
L.DomUtil.addClass(this._alts, 'leaflet-control-geocoder-alternatives-minimized');
this._selection = null;
L.DomUtil.removeClass(this._errorElement, 'leaflet-control-geocoder-error');
},
_createAlt: function(result, index) {
var li = document.createElement('li'),
a = L.DomUtil.create('a', '', li),
icon = this.options.showResultIcons && result.icon ? L.DomUtil.create('img', '', a) : null,
text = result.html ? undefined : document.createTextNode(result.name);
if (icon) {
icon.src = result.icon;
}
a.href = '#';
a.setAttribute('data-result-index', index);
if (result.html) {
a.innerHTML = result.html;
} else {
a.appendChild(text);
}
L.DomEvent.addListener(li, 'click', function clickHandler(e) {
L.DomEvent.preventDefault(e);
this._geocodeResultSelected(result);
}, this);
return li;
},
_keydown: function(e) {
var _this = this,
select = function select(dir) {
if (_this._selection) {
L.DomUtil.removeClass(_this._selection.firstChild, 'leaflet-control-geocoder-selected');
_this._selection = _this._selection[dir > 0 ? 'nextSibling' : 'previousSibling'];
}
if (!_this._selection) {
_this._selection = _this._alts[dir > 0 ? 'firstChild' : 'lastChild'];
}
if (_this._selection) {
L.DomUtil.addClass(_this._selection.firstChild, 'leaflet-control-geocoder-selected');
}
};
switch (e.keyCode) {
// Escape
case 27:
if (this.options.collapsed) {
this._collapse();
}
break;
// Up
case 38:
select(-1);
L.DomEvent.preventDefault(e);
break;
// Up
case 40:
select(1);
L.DomEvent.preventDefault(e);
break;
// Enter
case 13:
if (this._selection) {
var index = parseInt(this._selection.firstChild.getAttribute('data-result-index'), 10);
this._geocodeResultSelected(this._results[index]);
this._clearResults();
L.DomEvent.preventDefault(e);
}
}
return true;
}
});
L.Control.geocoder = function(id, options) {
return new L.Control.Geocoder(id, options);
};
L.Control.Geocoder.callbackId = 0;
L.Control.Geocoder.jsonp = function(url, params, callback, context, jsonpParam) {
var callbackId = '_l_geocoder_' + (L.Control.Geocoder.callbackId++);
params[jsonpParam || 'callback'] = callbackId;
window[callbackId] = L.Util.bind(callback, context);
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = url + L.Util.getParamString(params);
script.id = callbackId;
document.getElementsByTagName('head')[0].appendChild(script);
};
L.Control.Geocoder.getJSON = function(url, params, callback) {
var xmlHttp = new XMLHttpRequest();
xmlHttp.open( "GET", url + L.Util.getParamString(params), true);
xmlHttp.send(null);
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState != 4) return;
if (xmlHttp.status != 200 && req.status != 304) return;
callback(JSON.parse(xmlHttp.response));
};
};
L.Control.Geocoder.template = function (str, data, htmlEscape) {
return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
var value = data[key];
if (value === undefined) {
value = '';
} else if (typeof value === 'function') {
value = value(data);
}
return L.Control.Geocoder.htmlEscape(value);
});
};
// Adapted from handlebars.js
// https://github.com/wycats/handlebars.js/
L.Control.Geocoder.htmlEscape = (function() {
var badChars = /[&<>"'`]/g;
var possible = /[&<>"'`]/;
var escape = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
'\'': '&#x27;',
'`': '&#x60;'
};
function escapeChar(chr) {
return escape[chr];
}
return function(string) {
if (string == null) {
return '';
} else if (!string) {
return string + '';
}
// Force a string conversion as this will be done by the append regardless and
// the regex test will do this transparently behind the scenes, causing issues if
// an object's to string has escaped characters in it.
string = '' + string;
if (!possible.test(string)) {
return string;
}
return string.replace(badChars, escapeChar);
};
})();
L.Control.Geocoder.Nominatim = L.Class.extend({
options: {
serviceUrl: '//nominatim.openstreetmap.org/',
geocodingQueryParams: {},
reverseQueryParams: {},
htmlTemplate: function(r) {
var a = r.address,
parts = [];
if (a.road || a.building) {
parts.push('{building} {road} {house_number}');
}
if (a.city || a.town || a.village) {
parts.push('<span class="' + (parts.length > 0 ? 'leaflet-control-geocoder-address-detail' : '') +
'">{postcode} {city} {town} {village}</span>');
}
if (a.state || a.country) {
parts.push('<span class="' + (parts.length > 0 ? 'leaflet-control-geocoder-address-context' : '') +
'">{state} {country}</span>');
}
return L.Control.Geocoder.template(parts.join('<br/>'), a, true);
}
},
initialize: function(options) {
L.Util.setOptions(this, options);
},
geocode: function(query, cb, context) {
L.Control.Geocoder.jsonp(this.options.serviceUrl + 'search', L.extend({
q: query,
limit: 5,
format: 'json',
addressdetails: 1
}, this.options.geocodingQueryParams),
function(data) {
var results = [];
for (var i = data.length - 1; i >= 0; i--) {
var bbox = data[i].boundingbox;
for (var j = 0; j < 4; j++) bbox[j] = parseFloat(bbox[j]);
results[i] = {
icon: data[i].icon,
name: data[i].display_name,
html: this.options.htmlTemplate ?
this.options.htmlTemplate(data[i])
: undefined,
bbox: L.latLngBounds([bbox[0], bbox[2]], [bbox[1], bbox[3]]),
center: L.latLng(data[i].lat, data[i].lon),
properties: data[i]
};
}
cb.call(context, results);
}, this, 'json_callback');
},
reverse: function(location, scale, cb, context) {
L.Control.Geocoder.jsonp(this.options.serviceUrl + 'reverse/', L.extend({
lat: location.lat,
lon: location.lng,
zoom: Math.round(Math.log(scale / 256) / Math.log(2)),
addressdetails: 1,
format: 'json'
}, this.options.reverseQueryParams), function(data) {
var result = [],
loc;
if (data && data.lat && data.lon) {
loc = L.latLng(data.lat, data.lon);
result.push({
name: data.display_name,
html: this.options.htmlTemplate ?
this.options.htmlTemplate(data)
: undefined,
center: loc,
bounds: L.latLngBounds(loc, loc),
properties: data
});
}
cb.call(context, result);
}, this, 'json_callback');
}
});
L.Control.Geocoder.nominatim = function(options) {
return new L.Control.Geocoder.Nominatim(options);
};
L.Control.Geocoder.Bing = L.Class.extend({
initialize: function(key) {
this.key = key;
},
geocode : function (query, cb, context) {
L.Control.Geocoder.jsonp('//dev.virtualearth.net/REST/v1/Locations', {
query: query,
key : this.key
}, function(data) {
var results = [];
for (var i = data.resourceSets[0].resources.length - 1; i >= 0; i--) {
var resource = data.resourceSets[0].resources[i],
bbox = resource.bbox;
results[i] = {
name: resource.name,
bbox: L.latLngBounds([bbox[0], bbox[1]], [bbox[2], bbox[3]]),
center: L.latLng(resource.point.coordinates)
};
}
cb.call(context, results);
}, this, 'jsonp');
},
reverse: function(location, scale, cb, context) {
L.Control.Geocoder.jsonp('//dev.virtualearth.net/REST/v1/Locations/' + location.lat + ',' + location.lng, {
key : this.key
}, function(data) {
var results = [];
for (var i = data.resourceSets[0].resources.length - 1; i >= 0; i--) {
var resource = data.resourceSets[0].resources[i],
bbox = resource.bbox;
results[i] = {
name: resource.name,
bbox: L.latLngBounds([bbox[0], bbox[1]], [bbox[2], bbox[3]]),
center: L.latLng(resource.point.coordinates)
};
}
cb.call(context, results);
}, this, 'jsonp');
}
});
L.Control.Geocoder.bing = function(key) {
return new L.Control.Geocoder.Bing(key);
};
L.Control.Geocoder.RaveGeo = L.Class.extend({
options: {
querySuffix: '',
deepSearch: true,
wordBased: false
},
jsonp: function(params, callback, context) {
var callbackId = '_l_geocoder_' + (L.Control.Geocoder.callbackId++),
paramParts = [];
params.prepend = callbackId + '(';
params.append = ')';
for (var p in params) {
paramParts.push(p + '=' + escape(params[p]));
}
window[callbackId] = L.Util.bind(callback, context);
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = this._serviceUrl + '?' + paramParts.join('&');
script.id = callbackId;
document.getElementsByTagName('head')[0].appendChild(script);
},
initialize: function(serviceUrl, scheme, options) {
L.Util.setOptions(this, options);
this._serviceUrl = serviceUrl;
this._scheme = scheme;
},
geocode: function(query, cb, context) {
L.Control.Geocoder.jsonp(this._serviceUrl, {
address: query + this.options.querySuffix,
scheme: this._scheme,
outputFormat: 'jsonp',
deepSearch: this.options.deepSearch,
wordBased: this.options.wordBased
}, function(data) {
var results = [];
for (var i = data.length - 1; i >= 0; i--) {
var r = data[i],
c = L.latLng(r.y, r.x);
results[i] = {
name: r.address,
bbox: L.latLngBounds([c]),
center: c
};
}
cb.call(context, results);
}, this);
}
});
L.Control.Geocoder.raveGeo = function(serviceUrl, scheme, options) {
return new L.Control.Geocoder.RaveGeo(serviceUrl, scheme, options);
};
L.Control.Geocoder.MapQuest = L.Class.extend({
initialize: function(key) {
// MapQuest seems to provide URI encoded API keys,
// so to avoid encoding them twice, we decode them here
this._key = decodeURIComponent(key);
},
_formatName: function() {
var r = [],
i;
for (i = 0; i < arguments.length; i++) {
if (arguments[i]) {
r.push(arguments[i]);
}
}
return r.join(', ');
},
geocode: function(query, cb, context) {
L.Control.Geocoder.jsonp('//www.mapquestapi.com/geocoding/v1/address', {
key: this._key,
location: query,
limit: 5,
outFormat: 'json'
}, function(data) {
var results = [],
loc,
latLng;
if (data.results && data.results[0].locations) {
for (var i = data.results[0].locations.length - 1; i >= 0; i--) {
loc = data.results[0].locations[i];
latLng = L.latLng(loc.latLng);
results[i] = {
name: this._formatName(loc.street, loc.adminArea4, loc.adminArea3, loc.adminArea1),
bbox: L.latLngBounds(latLng, latLng),
center: latLng
};
}
}
cb.call(context, results);
}, this);
},
reverse: function(location, scale, cb, context) {
L.Control.Geocoder.jsonp('//www.mapquestapi.com/geocoding/v1/reverse', {
key: this._key,
location: location.lat + ',' + location.lng,
outputFormat: 'json'
}, function(data) {
var results = [],
loc,
latLng;
if (data.results && data.results[0].locations) {
for (var i = data.results[0].locations.length - 1; i >= 0; i--) {
loc = data.results[0].locations[i];
latLng = L.latLng(loc.latLng);
results[i] = {
name: this._formatName(loc.street, loc.adminArea4, loc.adminArea3, loc.adminArea1),
bbox: L.latLngBounds(latLng, latLng),
center: latLng
};
}
}
cb.call(context, results);
}, this);
}
});
L.Control.Geocoder.mapQuest = function(key) {
return new L.Control.Geocoder.MapQuest(key);
};
L.Control.Geocoder.Mapbox = L.Class.extend({
options: {
service_url: 'https://api.tiles.mapbox.com/v4/geocode/mapbox.places-v1/'
},
initialize: function(access_token) {
this._access_token = access_token;
},
geocode: function(query, cb, context) {
L.Control.Geocoder.getJSON(this.options.service_url + encodeURIComponent(query) + '.json', {
access_token: this._access_token,
}, function(data) {
var results = [],
loc,
latLng,
latLngBounds;
if (data.features && data.features.length) {
for (var i = 0; i <= data.features.length - 1; i++) {
loc = data.features[i];
latLng = L.latLng(loc.center.reverse());
if(loc.hasOwnProperty('bbox'))
{
latLngBounds = L.latLngBounds(L.latLng(loc.bbox.slice(0, 2).reverse()), L.latLng(loc.bbox.slice(2, 4).reverse()));
}
else
{
latLngBounds = L.latLngBounds(latLng, latLng);
}
results[i] = {
name: loc.place_name,
bbox: latLngBounds,
center: latLng
};
}
}
cb.call(context, results);
});
},
suggest: function(query, cb, context) {
return this.geocode(query, cb, context);
},
reverse: function(location, scale, cb, context) {
L.Control.Geocoder.getJSON(this.options.service_url + encodeURIComponent(location.lng) + ',' + encodeURIComponent(location.lat) + '.json', {
access_token: this._access_token,
}, function(data) {
var results = [],
loc,
latLng,
latLngBounds;
if (data.features && data.features.length) {
for (var i = 0; i <= data.features.length - 1; i++) {
loc = data.features[i];
latLng = L.latLng(loc.center.reverse());
if(loc.hasOwnProperty('bbox'))
{
latLngBounds = L.latLngBounds(L.latLng(loc.bbox.slice(0, 2).reverse()), L.latLng(loc.bbox.slice(2, 4).reverse()));
}
else
{
latLngBounds = L.latLngBounds(latLng, latLng);
}
results[i] = {
name: loc.place_name,
bbox: latLngBounds,
center: latLng
};
}
}
cb.call(context, results);
});
}
});
L.Control.Geocoder.mapbox = function(access_token) {
return new L.Control.Geocoder.Mapbox(access_token);
};
L.Control.Geocoder.Google = L.Class.extend({
options: {
service_url: 'https://maps.googleapis.com/maps/api/geocode/json'
},
initialize: function(key) {
this._key = key;
},
geocode: function(query, cb, context) {
var params = {
address: query,
};
if(this._key && this._key.length)
{
params['key'] = this._key
}
L.Control.Geocoder.getJSON(this.options.service_url, params, function(data) {
var results = [],
loc,
latLng,
latLngBounds;
if (data.results && data.results.length) {
for (var i = 0; i <= data.results.length - 1; i++) {
loc = data.results[i];
latLng = L.latLng(loc.geometry.location);
latLngBounds = L.latLngBounds(L.latLng(loc.geometry.viewport.northeast), L.latLng(loc.geometry.viewport.southwest));
results[i] = {
name: loc.formatted_address,
bbox: latLngBounds,
center: latLng
};
}
}
cb.call(context, results);
});
},
reverse: function(location, scale, cb, context) {
var params = {
latlng: encodeURIComponent(location.lat) + ',' + encodeURIComponent(location.lng)
};
if(this._key && this._key.length)
{
params['key'] = this._key
}
L.Control.Geocoder.getJSON(this.options.service_url, params, function(data) {
var results = [],
loc,
latLng,
latLngBounds;
if (data.results && data.results.length) {
for (var i = 0; i <= data.results.length - 1; i++) {
loc = data.results[i];
latLng = L.latLng(loc.geometry.location);
latLngBounds = L.latLngBounds(L.latLng(loc.geometry.viewport.northeast), L.latLng(loc.geometry.viewport.southwest));
results[i] = {
name: loc.formatted_address,
bbox: latLngBounds,
center: latLng
};
}
}
cb.call(context, results);
});
}
});
L.Control.Geocoder.google = function(key) {
return new L.Control.Geocoder.Google(key);
};
return L.Control.Geocoder;
}));
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