+/*!
+Copyright (c) 2016 Dominik Moritz
+
+This file is part of the leaflet locate control. It is licensed under the MIT license.
+You can find the project at: https://github.com/domoritz/leaflet-locatecontrol
+*/
+(function (factory, window) {
+ // see https://github.com/Leaflet/Leaflet/blob/master/PLUGIN-GUIDE.md#module-loaders
+ // for details on how to structure a leaflet plugin.
+
+ // define an AMD module that relies on 'leaflet'
+ if (typeof define === 'function' && define.amd) {
+ define(['leaflet'], factory);
+
+ // define a Common JS module that relies on 'leaflet'
+ } else if (typeof exports === 'object') {
+ if (typeof window !== 'undefined' && window.L) {
+ module.exports = factory(L);
+ } else {
+ module.exports = factory(require('leaflet'));
+ }
+ }
+
+ // attach your plugin to the global 'L' variable
+ if (typeof window !== 'undefined' && window.L){
+ window.L.Control.Locate = factory(L);
+ }
+} (function (L) {
+ var LDomUtilApplyClassesMethod = function(method, element, classNames) {
+ classNames = classNames.split(' ');
+ classNames.forEach(function(className) {
+ L.DomUtil[method].call(this, element, className);
+ });
+ };
+
+ var addClasses = function(el, names) { LDomUtilApplyClassesMethod('addClass', el, names); };
+ var removeClasses = function(el, names) { LDomUtilApplyClassesMethod('removeClass', el, names); };
+
+ var LocateControl = L.Control.extend({
+ options: {
+ /** Position of the control */
+ position: 'topleft',
+ /** The layer that the user's location should be drawn on. By default creates a new layer. */
+ layer: undefined,
+ /**
+ * Automatically sets the map view (zoom and pan) to the user's location as it updates.
+ * While the map is following the user's location, the control is in the `following` state,
+ * which changes the style of the control and the circle marker.
+ *
+ * Possible values:
+ * - false: never updates the map view when location changes.
+ * - 'once': set the view when the location is first determined
+ * - 'always': always updates the map view when location changes.
+ * The map view follows the users location.
+ * - 'untilPan': (default) like 'always', except stops updating the
+ * view if the user has manually panned the map.
+ * The map view follows the users location until she pans.
+ */
+ setView: 'untilPan',
+ /** Keep the current map zoom level when setting the view and only pan. */
+ keepCurrentZoomLevel: false,
+ /** Smooth pan and zoom to the location of the marker. Only works in Leaflet 1.0+. */
+ flyTo: false,
+ /**
+ * The user location can be inside and outside the current view when the user clicks on the
+ * control that is already active. Both cases can be configures separately.
+ * Possible values are:
+ * - 'setView': zoom and pan to the current location
+ * - 'stop': stop locating and remove the location marker
+ */
+ clickBehavior: {
+ /** What should happen if the user clicks on the control while the location is within the current view. */
+ inView: 'stop',
+ /** What should happen if the user clicks on the control while the location is outside the current view. */
+ outOfView: 'setView',
+ },
+ /**
+ * If set, save the map bounds just before centering to the user's
+ * location. When control is disabled, set the view back to the
+ * bounds that were saved.
+ */
+ returnToPrevBounds: false,
+ /**
+ * Keep a cache of the location after the user deactivates the control. If set to false, the user has to wait
+ * until the locate API returns a new location before they see where they are again.
+ */
+ cacheLocation: true,
+ /** If set, a circle that shows the location accuracy is drawn. */
+ drawCircle: true,
+ /** If set, the marker at the users' location is drawn. */
+ drawMarker: true,
+ /** The class to be used to create the marker. For example L.CircleMarker or L.Marker */
+ markerClass: L.CircleMarker,
+ /** Accuracy circle style properties. */
+ circleStyle: {
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