` element
+// and optionally an object literal with `Map options`.
+//
+// @alternative
+// @factory L.map(el: HTMLElement, options?: Map options)
+// Instantiates a map object given an instance of a `
` HTML element
+// and optionally an object literal with `Map options`.
+ function createMap(id, options) {
+ return new Map(id, options);
+ }
+
+ /*
+ * @class Control
+ * @aka L.Control
+ * @inherits Class
+ *
+ * L.Control is a base class for implementing map controls. Handles positioning.
+ * All other controls extend from this class.
+ */
+
+ var Control = Class.extend({
+ // @section
+ // @aka Control options
+ options: {
+ // @option position: String = 'topright'
+ // The position of the control (one of the map corners). Possible values are `'topleft'`,
+ // `'topright'`, `'bottomleft'` or `'bottomright'`
+ position: 'topright'
+ },
+
+ initialize: function (options) {
+ setOptions(this, options);
+ },
+
+ /* @section
+ * Classes extending L.Control will inherit the following methods:
+ *
+ * @method getPosition: string
+ * Returns the position of the control.
+ */
+ getPosition: function () {
+ return this.options.position;
+ },
+
+ // @method setPosition(position: string): this
+ // Sets the position of the control.
+ setPosition: function (position) {
+ var map = this._map;
+
+ if (map) {
+ map.removeControl(this);
+ }
+
+ this.options.position = position;
+
+ if (map) {
+ map.addControl(this);
+ }
+
+ return this;
+ },
+
+ // @method getContainer: HTMLElement
+ // Returns the HTMLElement that contains the control.
+ getContainer: function () {
+ return this._container;
+ },
+
+ // @method addTo(map: Map): this
+ // Adds the control to the given map.
+ addTo: function (map) {
+ this.remove();
+ this._map = map;
+
+ var container = this._container = this.onAdd(map),
+ pos = this.getPosition(),
+ corner = map._controlCorners[pos];
+
+ addClass(container, 'leaflet-control');
+
+ if (pos.indexOf('bottom') !== -1) {
+ corner.insertBefore(container, corner.firstChild);
+ } else {
+ corner.appendChild(container);
+ }
+
+ return this;
+ },
+
+ // @method remove: this
+ // Removes the control from the map it is currently active on.
+ remove: function () {
+ if (!this._map) {
+ return this;
+ }
+
+ remove(this._container);
+
+ if (this.onRemove) {
+ this.onRemove(this._map);
+ }
+
+ this._map = null;
+
+ return this;
+ },
+
+ _refocusOnMap: function (e) {
+ // if map exists and event is not a keyboard event
+ if (this._map && e && e.screenX > 0 && e.screenY > 0) {
+ this._map.getContainer().focus();
+ }
+ }
+ });
+
+ var control = function (options) {
+ return new Control(options);
+ };
+
+ /* @section Extension methods
+ * @uninheritable
+ *
+ * Every control should extend from `L.Control` and (re-)implement the following methods.
+ *
+ * @method onAdd(map: Map): HTMLElement
+ * Should return the container DOM element for the control and add listeners on relevant map events. Called on [`control.addTo(map)`](#control-addTo).
+ *
+ * @method onRemove(map: Map)
+ * Optional method. Should contain all clean up code that removes the listeners previously added in [`onAdd`](#control-onadd). Called on [`control.remove()`](#control-remove).
+ */
+
+ /* @namespace Map
+ * @section Methods for Layers and Controls
+ */
+ Map.include({
+ // @method addControl(control: Control): this
+ // Adds the given control to the map
+ addControl: function (control) {
+ control.addTo(this);
+ return this;
+ },
+
+ // @method removeControl(control: Control): this
+ // Removes the given control from the map
+ removeControl: function (control) {
+ control.remove();
+ return this;
+ },
+
+ _initControlPos: function () {
+ var corners = this._controlCorners = {},
+ l = 'leaflet-',
+ container = this._controlContainer =
+ create$1('div', l + 'control-container', this._container);
+
+ function createCorner(vSide, hSide) {
+ var className = l + vSide + ' ' + l + hSide;
+
+ corners[vSide + hSide] = create$1('div', className, container);
+ }
+
+ createCorner('top', 'left');
+ createCorner('top', 'right');
+ createCorner('bottom', 'left');
+ createCorner('bottom', 'right');
+ },
+
+ _clearControlPos: function () {
+ for (var i in this._controlCorners) {
+ remove(this._controlCorners[i]);
+ }
+ remove(this._controlContainer);
+ delete this._controlCorners;
+ delete this._controlContainer;
+ }
+ });
+
+ /*
+ * @class Control.Layers
+ * @aka L.Control.Layers
+ * @inherits Control
+ *
+ * The layers control gives users the ability to switch between different base layers and switch overlays on/off (check out the [detailed example](http://leafletjs.com/examples/layers-control/)). Extends `Control`.
+ *
+ * @example
+ *
+ * ```js
+ * var baseLayers = {
+ * "Mapbox": mapbox,
+ * "OpenStreetMap": osm
+ * };
+ *
+ * var overlays = {
+ * "Marker": marker,
+ * "Roads": roadsLayer
+ * };
+ *
+ * L.control.layers(baseLayers, overlays).addTo(map);
+ * ```
+ *
+ * The `baseLayers` and `overlays` parameters are object literals with layer names as keys and `Layer` objects as values:
+ *
+ * ```js
+ * {
+ * "
": layer1,
+ * "": layer2
+ * }
+ * ```
+ *
+ * The layer names can contain HTML, which allows you to add additional styling to the items:
+ *
+ * ```js
+ * {"My Layer ": myLayer}
+ * ```
+ */
+
+ var Layers = Control.extend({
+ // @section
+ // @aka Control.Layers options
+ options: {
+ // @option collapsed: Boolean = true
+ // If `true`, the control will be collapsed into an icon and expanded on mouse hover or touch.
+ collapsed: true,
+ position: 'topright',
+
+ // @option autoZIndex: Boolean = true
+ // If `true`, the control will assign zIndexes in increasing order to all of its layers so that the order is preserved when switching them on/off.
+ autoZIndex: true,
+
+ // @option hideSingleBase: Boolean = false
+ // If `true`, the base layers in the control will be hidden when there is only one.
+ hideSingleBase: false,
+
+ // @option sortLayers: Boolean = false
+ // Whether to sort the layers. When `false`, layers will keep the order
+ // in which they were added to the control.
+ sortLayers: false,
+
+ // @option sortFunction: Function = *
+ // A [compare function](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)
+ // that will be used for sorting the layers, when `sortLayers` is `true`.
+ // The function receives both the `L.Layer` instances and their names, as in
+ // `sortFunction(layerA, layerB, nameA, nameB)`.
+ // By default, it sorts layers alphabetically by their name.
+ sortFunction: function (layerA, layerB, nameA, nameB) {
+ return nameA < nameB ? -1 : (nameB < nameA ? 1 : 0);
+ }
+ },
+
+ initialize: function (baseLayers, overlays, options) {
+ setOptions(this, options);
+
+ this._layerControlInputs = [];
+ this._layers = [];
+ this._lastZIndex = 0;
+ this._handlingClick = false;
+
+ for (var i in baseLayers) {
+ this._addLayer(baseLayers[i], i);
+ }
+
+ for (i in overlays) {
+ this._addLayer(overlays[i], i, true);
+ }
+ },
+
+ onAdd: function (map) {
+ this._initLayout();
+ this._update();
+
+ this._map = map;
+ map.on('zoomend', this._checkDisabledLayers, this);
+
+ for (var i = 0; i < this._layers.length; i++) {
+ this._layers[i].layer.on('add remove', this._onLayerChange, this);
+ }
+
+ return this._container;
+ },
+
+ addTo: function (map) {
+ Control.prototype.addTo.call(this, map);
+ // Trigger expand after Layers Control has been inserted into DOM so that is now has an actual height.
+ return this._expandIfNotCollapsed();
+ },
+
+ onRemove: function () {
+ this._map.off('zoomend', this._checkDisabledLayers, this);
+
+ for (var i = 0; i < this._layers.length; i++) {
+ this._layers[i].layer.off('add remove', this._onLayerChange, this);
+ }
+ },
+
+ // @method addBaseLayer(layer: Layer, name: String): this
+ // Adds a base layer (radio button entry) with the given name to the control.
+ addBaseLayer: function (layer, name) {
+ this._addLayer(layer, name);
+ return (this._map) ? this._update() : this;
+ },
+
+ // @method addOverlay(layer: Layer, name: String): this
+ // Adds an overlay (checkbox entry) with the given name to the control.
+ addOverlay: function (layer, name) {
+ this._addLayer(layer, name, true);
+ return (this._map) ? this._update() : this;
+ },
+
+ // @method removeLayer(layer: Layer): this
+ // Remove the given layer from the control.
+ removeLayer: function (layer) {
+ layer.off('add remove', this._onLayerChange, this);
+
+ var obj = this._getLayer(stamp(layer));
+ if (obj) {
+ this._layers.splice(this._layers.indexOf(obj), 1);
+ }
+ return (this._map) ? this._update() : this;
+ },
+
+ // @method expand(): this
+ // Expand the control container if collapsed.
+ expand: function () {
+ addClass(this._container, 'leaflet-control-layers-expanded');
+ this._section.style.height = null;
+ var acceptableHeight = this._map.getSize().y - (this._container.offsetTop + 50);
+ if (acceptableHeight < this._section.clientHeight) {
+ addClass(this._section, 'leaflet-control-layers-scrollbar');
+ this._section.style.height = acceptableHeight + 'px';
+ } else {
+ removeClass(this._section, 'leaflet-control-layers-scrollbar');
+ }
+ this._checkDisabledLayers();
+ return this;
+ },
+
+ // @method collapse(): this
+ // Collapse the control container if expanded.
+ collapse: function () {
+ removeClass(this._container, 'leaflet-control-layers-expanded');
+ return this;
+ },
+
+ _initLayout: function () {
+ var className = 'leaflet-control-layers',
+ container = this._container = create$1('div', className),
+ collapsed = this.options.collapsed;
+
+ // makes this work on IE touch devices by stopping it from firing a mouseout event when the touch is released
+ container.setAttribute('aria-haspopup', true);
+
+ disableClickPropagation(container);
+ disableScrollPropagation(container);
+
+ var section = this._section = create$1('section', className + '-list');
+
+ if (collapsed) {
+ this._map.on('click', this.collapse, this);
+
+ if (!android) {
+ on(container, {
+ mouseenter: this.expand,
+ mouseleave: this.collapse
+ }, this);
+ }
+ }
+
+ var link = this._layersLink = create$1('a', className + '-toggle', container);
+ link.href = '#';
+ link.title = 'Layers';
+
+ if (touch) {
+ on(link, 'click', stop);
+ on(link, 'click', this.expand, this);
+ } else {
+ on(link, 'focus', this.expand, this);
+ }
+
+ if (!collapsed) {
+ this.expand();
+ }
+
+ this._baseLayersList = create$1('div', className + '-base', section);
+ this._separator = create$1('div', className + '-separator', section);
+ this._overlaysList = create$1('div', className + '-overlays', section);
+
+ container.appendChild(section);
+ },
+
+ _getLayer: function (id) {
+ for (var i = 0; i < this._layers.length; i++) {
+
+ if (this._layers[i] && stamp(this._layers[i].layer) === id) {
+ return this._layers[i];
+ }
+ }
+ },
+
+ _addLayer: function (layer, name, overlay) {
+ if (this._map) {
+ layer.on('add remove', this._onLayerChange, this);
+ }
+
+ this._layers.push({
+ layer: layer,
+ name: name,
+ overlay: overlay
+ });
+
+ if (this.options.sortLayers) {
+ this._layers.sort(bind(function (a, b) {
+ return this.options.sortFunction(a.layer, b.layer, a.name, b.name);
+ }, this));
+ }
+
+ if (this.options.autoZIndex && layer.setZIndex) {
+ this._lastZIndex++;
+ layer.setZIndex(this._lastZIndex);
+ }
+
+ this._expandIfNotCollapsed();
+ },
+
+ _update: function () {
+ if (!this._container) { return this; }
+
+ empty(this._baseLayersList);
+ empty(this._overlaysList);
+
+ this._layerControlInputs = [];
+ var baseLayersPresent, overlaysPresent, i, obj, baseLayersCount = 0;
+
+ for (i = 0; i < this._layers.length; i++) {
+ obj = this._layers[i];
+ this._addItem(obj);
+ overlaysPresent = overlaysPresent || obj.overlay;
+ baseLayersPresent = baseLayersPresent || !obj.overlay;
+ baseLayersCount += !obj.overlay ? 1 : 0;
+ }
+
+ // Hide base layers section if there's only one layer.
+ if (this.options.hideSingleBase) {
+ baseLayersPresent = baseLayersPresent && baseLayersCount > 1;
+ this._baseLayersList.style.display = baseLayersPresent ? '' : 'none';
+ }
+
+ this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
+
+ return this;
+ },
+
+ _onLayerChange: function (e) {
+ if (!this._handlingClick) {
+ this._update();
+ }
+
+ var obj = this._getLayer(stamp(e.target));
+
+ // @namespace Map
+ // @section Layer events
+ // @event baselayerchange: LayersControlEvent
+ // Fired when the base layer is changed through the [layer control](#control-layers).
+ // @event overlayadd: LayersControlEvent
+ // Fired when an overlay is selected through the [layer control](#control-layers).
+ // @event overlayremove: LayersControlEvent
+ // Fired when an overlay is deselected through the [layer control](#control-layers).
+ // @namespace Control.Layers
+ var type = obj.overlay ?
+ (e.type === 'add' ? 'overlayadd' : 'overlayremove') :
+ (e.type === 'add' ? 'baselayerchange' : null);
+
+ if (type) {
+ this._map.fire(type, obj);
+ }
+ },
+
+ // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
+ _createRadioElement: function (name, checked) {
+
+ var radioHtml = 'Leaflet '
+ },
+
+ initialize: function (options) {
+ setOptions(this, options);
+
+ this._attributions = {};
+ },
+
+ onAdd: function (map) {
+ map.attributionControl = this;
+ this._container = create$1('div', 'leaflet-control-attribution');
+ disableClickPropagation(this._container);
+
+ // TODO ugly, refactor
+ for (var i in map._layers) {
+ if (map._layers[i].getAttribution) {
+ this.addAttribution(map._layers[i].getAttribution());
+ }
+ }
+
+ this._update();
+
+ return this._container;
+ },
+
+ // @method setPrefix(prefix: String): this
+ // Sets the text before the attributions.
+ setPrefix: function (prefix) {
+ this.options.prefix = prefix;
+ this._update();
+ return this;
+ },
+
+ // @method addAttribution(text: String): this
+ // Adds an attribution text (e.g. `'Vector data © Mapbox'`).
+ addAttribution: function (text) {
+ if (!text) { return this; }
+
+ if (!this._attributions[text]) {
+ this._attributions[text] = 0;
+ }
+ this._attributions[text]++;
+
+ this._update();
+
+ return this;
+ },
+
+ // @method removeAttribution(text: String): this
+ // Removes an attribution text.
+ removeAttribution: function (text) {
+ if (!text) { return this; }
+
+ if (this._attributions[text]) {
+ this._attributions[text]--;
+ this._update();
+ }
+
+ return this;
+ },
+
+ _update: function () {
+ if (!this._map) { return; }
+
+ var attribs = [];
+
+ for (var i in this._attributions) {
+ if (this._attributions[i]) {
+ attribs.push(i);
+ }
+ }
+
+ var prefixAndAttribs = [];
+
+ if (this.options.prefix) {
+ prefixAndAttribs.push(this.options.prefix);
+ }
+ if (attribs.length) {
+ prefixAndAttribs.push(attribs.join(', '));
+ }
+
+ this._container.innerHTML = prefixAndAttribs.join(' | ');
+ }
+ });
+
+// @namespace Map
+// @section Control options
+// @option attributionControl: Boolean = true
+// Whether a [attribution control](#control-attribution) is added to the map by default.
+ Map.mergeOptions({
+ attributionControl: true
+ });
+
+ Map.addInitHook(function () {
+ if (this.options.attributionControl) {
+ new Attribution().addTo(this);
+ }
+ });
+
+// @namespace Control.Attribution
+// @factory L.control.attribution(options: Control.Attribution options)
+// Creates an attribution control.
+ var attribution = function (options) {
+ return new Attribution(options);
+ };
+
+ Control.Layers = Layers;
+ Control.Zoom = Zoom;
+ Control.Scale = Scale;
+ Control.Attribution = Attribution;
+
+ control.layers = layers;
+ control.zoom = zoom;
+ control.scale = scale;
+ control.attribution = attribution;
+
+ /*
+ L.Handler is a base class for handler classes that are used internally to inject
+ interaction features like dragging to classes like Map and Marker.
+*/
+
+// @class Handler
+// @aka L.Handler
+// Abstract class for map interaction handlers
+
+ var Handler = Class.extend({
+ initialize: function (map) {
+ this._map = map;
+ },
+
+ // @method enable(): this
+ // Enables the handler
+ enable: function () {
+ if (this._enabled) { return this; }
+
+ this._enabled = true;
+ this.addHooks();
+ return this;
+ },
+
+ // @method disable(): this
+ // Disables the handler
+ disable: function () {
+ if (!this._enabled) { return this; }
+
+ this._enabled = false;
+ this.removeHooks();
+ return this;
+ },
+
+ // @method enabled(): Boolean
+ // Returns `true` if the handler is enabled
+ enabled: function () {
+ return !!this._enabled;
+ }
+
+ // @section Extension methods
+ // Classes inheriting from `Handler` must implement the two following methods:
+ // @method addHooks()
+ // Called when the handler is enabled, should add event hooks.
+ // @method removeHooks()
+ // Called when the handler is disabled, should remove the event hooks added previously.
+ });
+
+// @section There is static function which can be called without instantiating L.Handler:
+// @function addTo(map: Map, name: String): this
+// Adds a new Handler to the given map with the given name.
+ Handler.addTo = function (map, name) {
+ map.addHandler(name, this);
+ return this;
+ };
+
+ var Mixin = {Events: Events};
+
+ /*
+ * @class Draggable
+ * @aka L.Draggable
+ * @inherits Evented
+ *
+ * A class for making DOM elements draggable (including touch support).
+ * Used internally for map and marker dragging. Only works for elements
+ * that were positioned with [`L.DomUtil.setPosition`](#domutil-setposition).
+ *
+ * @example
+ * ```js
+ * var draggable = new L.Draggable(elementToDrag);
+ * draggable.enable();
+ * ```
+ */
+
+ var START = touch ? 'touchstart mousedown' : 'mousedown';
+ var END = {
+ mousedown: 'mouseup',
+ touchstart: 'touchend',
+ pointerdown: 'touchend',
+ MSPointerDown: 'touchend'
+ };
+ var MOVE = {
+ mousedown: 'mousemove',
+ touchstart: 'touchmove',
+ pointerdown: 'touchmove',
+ MSPointerDown: 'touchmove'
+ };
+
+
+ var Draggable = Evented.extend({
+
+ options: {
+ // @section
+ // @aka Draggable options
+ // @option clickTolerance: Number = 3
+ // The max number of pixels a user can shift the mouse pointer during a click
+ // for it to be considered a valid click (as opposed to a mouse drag).
+ clickTolerance: 3
+ },
+
+ // @constructor L.Draggable(el: HTMLElement, dragHandle?: HTMLElement, preventOutline?: Boolean, options?: Draggable options)
+ // Creates a `Draggable` object for moving `el` when you start dragging the `dragHandle` element (equals `el` itself by default).
+ initialize: function (element, dragStartTarget, preventOutline$$1, options) {
+ setOptions(this, options);
+
+ this._element = element;
+ this._dragStartTarget = dragStartTarget || element;
+ this._preventOutline = preventOutline$$1;
+ },
+
+ // @method enable()
+ // Enables the dragging ability
+ enable: function () {
+ if (this._enabled) { return; }
+
+ on(this._dragStartTarget, START, this._onDown, this);
+
+ this._enabled = true;
+ },
+
+ // @method disable()
+ // Disables the dragging ability
+ disable: function () {
+ if (!this._enabled) { return; }
+
+ // If we're currently dragging this draggable,
+ // disabling it counts as first ending the drag.
+ if (Draggable._dragging === this) {
+ this.finishDrag();
+ }
+
+ off(this._dragStartTarget, START, this._onDown, this);
+
+ this._enabled = false;
+ this._moved = false;
+ },
+
+ _onDown: function (e) {
+ // Ignore simulated events, since we handle both touch and
+ // mouse explicitly; otherwise we risk getting duplicates of
+ // touch events, see #4315.
+ // Also ignore the event if disabled; this happens in IE11
+ // under some circumstances, see #3666.
+ if (e._simulated || !this._enabled) { return; }
+
+ this._moved = false;
+
+ if (hasClass(this._element, 'leaflet-zoom-anim')) { return; }
+
+ if (Draggable._dragging || e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
+ Draggable._dragging = this; // Prevent dragging multiple objects at once.
+
+ if (this._preventOutline) {
+ preventOutline(this._element);
+ }
+
+ disableImageDrag();
+ disableTextSelection();
+
+ if (this._moving) { return; }
+
+ // @event down: Event
+ // Fired when a drag is about to start.
+ this.fire('down');
+
+ var first = e.touches ? e.touches[0] : e,
+ sizedParent = getSizedParentNode(this._element);
+
+ this._startPoint = new Point(first.clientX, first.clientY);
+
+ // Cache the scale, so that we can continuously compensate for it during drag (_onMove).
+ this._parentScale = getScale(sizedParent);
+
+ on(document, MOVE[e.type], this._onMove, this);
+ on(document, END[e.type], this._onUp, this);
+ },
+
+ _onMove: function (e) {
+ // Ignore simulated events, since we handle both touch and
+ // mouse explicitly; otherwise we risk getting duplicates of
+ // touch events, see #4315.
+ // Also ignore the event if disabled; this happens in IE11
+ // under some circumstances, see #3666.
+ if (e._simulated || !this._enabled) { return; }
+
+ if (e.touches && e.touches.length > 1) {
+ this._moved = true;
+ return;
+ }
+
+ var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+ offset = new Point(first.clientX, first.clientY)._subtract(this._startPoint);
+
+ if (!offset.x && !offset.y) { return; }
+ if (Math.abs(offset.x) + Math.abs(offset.y) < this.options.clickTolerance) { return; }
+
+ // We assume that the parent container's position, border and scale do not change for the duration of the drag.
+ // Therefore there is no need to account for the position and border (they are eliminated by the subtraction)
+ // and we can use the cached value for the scale.
+ offset.x /= this._parentScale.x;
+ offset.y /= this._parentScale.y;
+
+ preventDefault(e);
+
+ if (!this._moved) {
+ // @event dragstart: Event
+ // Fired when a drag starts
+ this.fire('dragstart');
+
+ this._moved = true;
+ this._startPos = getPosition(this._element).subtract(offset);
+
+ addClass(document.body, 'leaflet-dragging');
+
+ this._lastTarget = e.target || e.srcElement;
+ // IE and Edge do not give the element, so fetch it
+ // if necessary
+ if ((window.SVGElementInstance) && (this._lastTarget instanceof SVGElementInstance)) {
+ this._lastTarget = this._lastTarget.correspondingUseElement;
+ }
+ addClass(this._lastTarget, 'leaflet-drag-target');
+ }
+
+ this._newPos = this._startPos.add(offset);
+ this._moving = true;
+
+ cancelAnimFrame(this._animRequest);
+ this._lastEvent = e;
+ this._animRequest = requestAnimFrame(this._updatePosition, this, true);
+ },
+
+ _updatePosition: function () {
+ var e = {originalEvent: this._lastEvent};
+
+ // @event predrag: Event
+ // Fired continuously during dragging *before* each corresponding
+ // update of the element's position.
+ this.fire('predrag', e);
+ setPosition(this._element, this._newPos);
+
+ // @event drag: Event
+ // Fired continuously during dragging.
+ this.fire('drag', e);
+ },
+
+ _onUp: function (e) {
+ // Ignore simulated events, since we handle both touch and
+ // mouse explicitly; otherwise we risk getting duplicates of
+ // touch events, see #4315.
+ // Also ignore the event if disabled; this happens in IE11
+ // under some circumstances, see #3666.
+ if (e._simulated || !this._enabled) { return; }
+ this.finishDrag();
+ },
+
+ finishDrag: function () {
+ removeClass(document.body, 'leaflet-dragging');
+
+ if (this._lastTarget) {
+ removeClass(this._lastTarget, 'leaflet-drag-target');
+ this._lastTarget = null;
+ }
+
+ for (var i in MOVE) {
+ off(document, MOVE[i], this._onMove, this);
+ off(document, END[i], this._onUp, this);
+ }
+
+ enableImageDrag();
+ enableTextSelection();
+
+ if (this._moved && this._moving) {
+ // ensure drag is not fired after dragend
+ cancelAnimFrame(this._animRequest);
+
+ // @event dragend: DragEndEvent
+ // Fired when the drag ends.
+ this.fire('dragend', {
+ distance: this._newPos.distanceTo(this._startPos)
+ });
+ }
+
+ this._moving = false;
+ Draggable._dragging = false;
+ }
+
+ });
+
+ /*
+ * @namespace LineUtil
+ *
+ * Various utility functions for polyline points processing, used by Leaflet internally to make polylines lightning-fast.
+ */
+
+// Simplify polyline with vertex reduction and Douglas-Peucker simplification.
+// Improves rendering performance dramatically by lessening the number of points to draw.
+
+// @function simplify(points: Point[], tolerance: Number): Point[]
+// Dramatically reduces the number of points in a polyline while retaining
+// its shape and returns a new array of simplified points, using the
+// [Douglas-Peucker algorithm](http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm).
+// Used for a huge performance boost when processing/displaying Leaflet polylines for
+// each zoom level and also reducing visual noise. tolerance affects the amount of
+// simplification (lesser value means higher quality but slower and with more points).
+// Also released as a separated micro-library [Simplify.js](http://mourner.github.com/simplify-js/).
+ function simplify(points, tolerance) {
+ if (!tolerance || !points.length) {
+ return points.slice();
+ }
+
+ var sqTolerance = tolerance * tolerance;
+
+ // stage 1: vertex reduction
+ points = _reducePoints(points, sqTolerance);
+
+ // stage 2: Douglas-Peucker simplification
+ points = _simplifyDP(points, sqTolerance);
+
+ return points;
+ }
+
+// @function pointToSegmentDistance(p: Point, p1: Point, p2: Point): Number
+// Returns the distance between point `p` and segment `p1` to `p2`.
+ function pointToSegmentDistance(p, p1, p2) {
+ return Math.sqrt(_sqClosestPointOnSegment(p, p1, p2, true));
+ }
+
+// @function closestPointOnSegment(p: Point, p1: Point, p2: Point): Number
+// Returns the closest point from a point `p` on a segment `p1` to `p2`.
+ function closestPointOnSegment(p, p1, p2) {
+ return _sqClosestPointOnSegment(p, p1, p2);
+ }
+
+// Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
+ function _simplifyDP(points, sqTolerance) {
+
+ var len = points.length,
+ ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
+ markers = new ArrayConstructor(len);
+
+ markers[0] = markers[len - 1] = 1;
+
+ _simplifyDPStep(points, markers, sqTolerance, 0, len - 1);
+
+ var i,
+ newPoints = [];
+
+ for (i = 0; i < len; i++) {
+ if (markers[i]) {
+ newPoints.push(points[i]);
+ }
+ }
+
+ return newPoints;
+ }
+
+ function _simplifyDPStep(points, markers, sqTolerance, first, last) {
+
+ var maxSqDist = 0,
+ index, i, sqDist;
+
+ for (i = first + 1; i <= last - 1; i++) {
+ sqDist = _sqClosestPointOnSegment(points[i], points[first], points[last], true);
+
+ if (sqDist > maxSqDist) {
+ index = i;
+ maxSqDist = sqDist;
+ }
+ }
+
+ if (maxSqDist > sqTolerance) {
+ markers[index] = 1;
+
+ _simplifyDPStep(points, markers, sqTolerance, first, index);
+ _simplifyDPStep(points, markers, sqTolerance, index, last);
+ }
+ }
+
+// reduce points that are too close to each other to a single point
+ function _reducePoints(points, sqTolerance) {
+ var reducedPoints = [points[0]];
+
+ for (var i = 1, prev = 0, len = points.length; i < len; i++) {
+ if (_sqDist(points[i], points[prev]) > sqTolerance) {
+ reducedPoints.push(points[i]);
+ prev = i;
+ }
+ }
+ if (prev < len - 1) {
+ reducedPoints.push(points[len - 1]);
+ }
+ return reducedPoints;
+ }
+
+ var _lastCode;
+
+// @function clipSegment(a: Point, b: Point, bounds: Bounds, useLastCode?: Boolean, round?: Boolean): Point[]|Boolean
+// Clips the segment a to b by rectangular bounds with the
+// [Cohen-Sutherland algorithm](https://en.wikipedia.org/wiki/Cohen%E2%80%93Sutherland_algorithm)
+// (modifying the segment points directly!). Used by Leaflet to only show polyline
+// points that are on the screen or near, increasing performance.
+ function clipSegment(a, b, bounds, useLastCode, round) {
+ var codeA = useLastCode ? _lastCode : _getBitCode(a, bounds),
+ codeB = _getBitCode(b, bounds),
+
+ codeOut, p, newCode;
+
+ // save 2nd code to avoid calculating it on the next segment
+ _lastCode = codeB;
+
+ while (true) {
+ // if a,b is inside the clip window (trivial accept)
+ if (!(codeA | codeB)) {
+ return [a, b];
+ }
+
+ // if a,b is outside the clip window (trivial reject)
+ if (codeA & codeB) {
+ return false;
+ }
+
+ // other cases
+ codeOut = codeA || codeB;
+ p = _getEdgeIntersection(a, b, codeOut, bounds, round);
+ newCode = _getBitCode(p, bounds);
+
+ if (codeOut === codeA) {
+ a = p;
+ codeA = newCode;
+ } else {
+ b = p;
+ codeB = newCode;
+ }
+ }
+ }
+
+ function _getEdgeIntersection(a, b, code, bounds, round) {
+ var dx = b.x - a.x,
+ dy = b.y - a.y,
+ min = bounds.min,
+ max = bounds.max,
+ x, y;
+
+ if (code & 8) { // top
+ x = a.x + dx * (max.y - a.y) / dy;
+ y = max.y;
+
+ } else if (code & 4) { // bottom
+ x = a.x + dx * (min.y - a.y) / dy;
+ y = min.y;
+
+ } else if (code & 2) { // right
+ x = max.x;
+ y = a.y + dy * (max.x - a.x) / dx;
+
+ } else if (code & 1) { // left
+ x = min.x;
+ y = a.y + dy * (min.x - a.x) / dx;
+ }
+
+ return new Point(x, y, round);
+ }
+
+ function _getBitCode(p, bounds) {
+ var code = 0;
+
+ if (p.x < bounds.min.x) { // left
+ code |= 1;
+ } else if (p.x > bounds.max.x) { // right
+ code |= 2;
+ }
+
+ if (p.y < bounds.min.y) { // bottom
+ code |= 4;
+ } else if (p.y > bounds.max.y) { // top
+ code |= 8;
+ }
+
+ return code;
+ }
+
+// square distance (to avoid unnecessary Math.sqrt calls)
+ function _sqDist(p1, p2) {
+ var dx = p2.x - p1.x,
+ dy = p2.y - p1.y;
+ return dx * dx + dy * dy;
+ }
+
+// return closest point on segment or distance to that point
+ function _sqClosestPointOnSegment(p, p1, p2, sqDist) {
+ var x = p1.x,
+ y = p1.y,
+ dx = p2.x - x,
+ dy = p2.y - y,
+ dot = dx * dx + dy * dy,
+ t;
+
+ if (dot > 0) {
+ t = ((p.x - x) * dx + (p.y - y) * dy) / dot;
+
+ if (t > 1) {
+ x = p2.x;
+ y = p2.y;
+ } else if (t > 0) {
+ x += dx * t;
+ y += dy * t;
+ }
+ }
+
+ dx = p.x - x;
+ dy = p.y - y;
+
+ return sqDist ? dx * dx + dy * dy : new Point(x, y);
+ }
+
+
+// @function isFlat(latlngs: LatLng[]): Boolean
+// Returns true if `latlngs` is a flat array, false is nested.
+ function isFlat(latlngs) {
+ return !isArray(latlngs[0]) || (typeof latlngs[0][0] !== 'object' && typeof latlngs[0][0] !== 'undefined');
+ }
+
+ function _flat(latlngs) {
+ console.warn('Deprecated use of _flat, please use L.LineUtil.isFlat instead.');
+ return isFlat(latlngs);
+ }
+
+
+ var LineUtil = (Object.freeze || Object)({
+ simplify: simplify,
+ pointToSegmentDistance: pointToSegmentDistance,
+ closestPointOnSegment: closestPointOnSegment,
+ clipSegment: clipSegment,
+ _getEdgeIntersection: _getEdgeIntersection,
+ _getBitCode: _getBitCode,
+ _sqClosestPointOnSegment: _sqClosestPointOnSegment,
+ isFlat: isFlat,
+ _flat: _flat
+ });
+
+ /*
+ * @namespace PolyUtil
+ * Various utility functions for polygon geometries.
+ */
+
+ /* @function clipPolygon(points: Point[], bounds: Bounds, round?: Boolean): Point[]
+ * Clips the polygon geometry defined by the given `points` by the given bounds (using the [Sutherland-Hodgman algorithm](https://en.wikipedia.org/wiki/Sutherland%E2%80%93Hodgman_algorithm)).
+ * Used by Leaflet to only show polygon points that are on the screen or near, increasing
+ * performance. Note that polygon points needs different algorithm for clipping
+ * than polyline, so there's a separate method for it.
+ */
+ function clipPolygon(points, bounds, round) {
+ var clippedPoints,
+ edges = [1, 4, 2, 8],
+ i, j, k,
+ a, b,
+ len, edge, p;
+
+ for (i = 0, len = points.length; i < len; i++) {
+ points[i]._code = _getBitCode(points[i], bounds);
+ }
+
+ // for each edge (left, bottom, right, top)
+ for (k = 0; k < 4; k++) {
+ edge = edges[k];
+ clippedPoints = [];
+
+ for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
+ a = points[i];
+ b = points[j];
+
+ // if a is inside the clip window
+ if (!(a._code & edge)) {
+ // if b is outside the clip window (a->b goes out of screen)
+ if (b._code & edge) {
+ p = _getEdgeIntersection(b, a, edge, bounds, round);
+ p._code = _getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ clippedPoints.push(a);
+
+ // else if b is inside the clip window (a->b enters the screen)
+ } else if (!(b._code & edge)) {
+ p = _getEdgeIntersection(b, a, edge, bounds, round);
+ p._code = _getBitCode(p, bounds);
+ clippedPoints.push(p);
+ }
+ }
+ points = clippedPoints;
+ }
+
+ return points;
+ }
+
+
+ var PolyUtil = (Object.freeze || Object)({
+ clipPolygon: clipPolygon
+ });
+
+ /*
+ * @namespace Projection
+ * @section
+ * Leaflet comes with a set of already defined Projections out of the box:
+ *
+ * @projection L.Projection.LonLat
+ *
+ * Equirectangular, or Plate Carree projection — the most simple projection,
+ * mostly used by GIS enthusiasts. Directly maps `x` as longitude, and `y` as
+ * latitude. Also suitable for flat worlds, e.g. game maps. Used by the
+ * `EPSG:4326` and `Simple` CRS.
+ */
+
+ var LonLat = {
+ project: function (latlng) {
+ return new Point(latlng.lng, latlng.lat);
+ },
+
+ unproject: function (point) {
+ return new LatLng(point.y, point.x);
+ },
+
+ bounds: new Bounds([-180, -90], [180, 90])
+ };
+
+ /*
+ * @namespace Projection
+ * @projection L.Projection.Mercator
+ *
+ * Elliptical Mercator projection — more complex than Spherical Mercator. Takes into account that Earth is a geoid, not a perfect sphere. Used by the EPSG:3395 CRS.
+ */
+
+ var Mercator = {
+ R: 6378137,
+ R_MINOR: 6356752.314245179,
+
+ bounds: new Bounds([-20037508.34279, -15496570.73972], [20037508.34279, 18764656.23138]),
+
+ project: function (latlng) {
+ var d = Math.PI / 180,
+ r = this.R,
+ y = latlng.lat * d,
+ tmp = this.R_MINOR / r,
+ e = Math.sqrt(1 - tmp * tmp),
+ con = e * Math.sin(y);
+
+ var ts = Math.tan(Math.PI / 4 - y / 2) / Math.pow((1 - con) / (1 + con), e / 2);
+ y = -r * Math.log(Math.max(ts, 1E-10));
+
+ return new Point(latlng.lng * d * r, y);
+ },
+
+ unproject: function (point) {
+ var d = 180 / Math.PI,
+ r = this.R,
+ tmp = this.R_MINOR / r,
+ e = Math.sqrt(1 - tmp * tmp),
+ ts = Math.exp(-point.y / r),
+ phi = Math.PI / 2 - 2 * Math.atan(ts);
+
+ for (var i = 0, dphi = 0.1, con; i < 15 && Math.abs(dphi) > 1e-7; i++) {
+ con = e * Math.sin(phi);
+ con = Math.pow((1 - con) / (1 + con), e / 2);
+ dphi = Math.PI / 2 - 2 * Math.atan(ts * con) - phi;
+ phi += dphi;
+ }
+
+ return new LatLng(phi * d, point.x * d / r);
+ }
+ };
+
+ /*
+ * @class Projection
+
+ * An object with methods for projecting geographical coordinates of the world onto
+ * a flat surface (and back). See [Map projection](http://en.wikipedia.org/wiki/Map_projection).
+
+ * @property bounds: Bounds
+ * The bounds (specified in CRS units) where the projection is valid
+
+ * @method project(latlng: LatLng): Point
+ * Projects geographical coordinates into a 2D point.
+ * Only accepts actual `L.LatLng` instances, not arrays.
+
+ * @method unproject(point: Point): LatLng
+ * The inverse of `project`. Projects a 2D point into a geographical location.
+ * Only accepts actual `L.Point` instances, not arrays.
+
+ * Note that the projection instances do not inherit from Leafet's `Class` object,
+ * and can't be instantiated. Also, new classes can't inherit from them,
+ * and methods can't be added to them with the `include` function.
+
+ */
+
+
+
+
+ var index = (Object.freeze || Object)({
+ LonLat: LonLat,
+ Mercator: Mercator,
+ SphericalMercator: SphericalMercator
+ });
+
+ /*
+ * @namespace CRS
+ * @crs L.CRS.EPSG3395
+ *
+ * Rarely used by some commercial tile providers. Uses Elliptical Mercator projection.
+ */
+ var EPSG3395 = extend({}, Earth, {
+ code: 'EPSG:3395',
+ projection: Mercator,
+
+ transformation: (function () {
+ var scale = 0.5 / (Math.PI * Mercator.R);
+ return toTransformation(scale, 0.5, -scale, 0.5);
+ }())
+ });
+
+ /*
+ * @namespace CRS
+ * @crs L.CRS.EPSG4326
+ *
+ * A common CRS among GIS enthusiasts. Uses simple Equirectangular projection.
+ *
+ * Leaflet 1.0.x complies with the [TMS coordinate scheme for EPSG:4326](https://wiki.osgeo.org/wiki/Tile_Map_Service_Specification#global-geodetic),
+ * which is a breaking change from 0.7.x behaviour. If you are using a `TileLayer`
+ * with this CRS, ensure that there are two 256x256 pixel tiles covering the
+ * whole earth at zoom level zero, and that the tile coordinate origin is (-180,+90),
+ * or (-180,-90) for `TileLayer`s with [the `tms` option](#tilelayer-tms) set.
+ */
+
+ var EPSG4326 = extend({}, Earth, {
+ code: 'EPSG:4326',
+ projection: LonLat,
+ transformation: toTransformation(1 / 180, 1, -1 / 180, 0.5)
+ });
+
+ /*
+ * @namespace CRS
+ * @crs L.CRS.Simple
+ *
+ * A simple CRS that maps longitude and latitude into `x` and `y` directly.
+ * May be used for maps of flat surfaces (e.g. game maps). Note that the `y`
+ * axis should still be inverted (going from bottom to top). `distance()` returns
+ * simple euclidean distance.
+ */
+
+ var Simple = extend({}, CRS, {
+ projection: LonLat,
+ transformation: toTransformation(1, 0, -1, 0),
+
+ scale: function (zoom) {
+ return Math.pow(2, zoom);
+ },
+
+ zoom: function (scale) {
+ return Math.log(scale) / Math.LN2;
+ },
+
+ distance: function (latlng1, latlng2) {
+ var dx = latlng2.lng - latlng1.lng,
+ dy = latlng2.lat - latlng1.lat;
+
+ return Math.sqrt(dx * dx + dy * dy);
+ },
+
+ infinite: true
+ });
+
+ CRS.Earth = Earth;
+ CRS.EPSG3395 = EPSG3395;
+ CRS.EPSG3857 = EPSG3857;
+ CRS.EPSG900913 = EPSG900913;
+ CRS.EPSG4326 = EPSG4326;
+ CRS.Simple = Simple;
+
+ /*
+ * @class Layer
+ * @inherits Evented
+ * @aka L.Layer
+ * @aka ILayer
+ *
+ * A set of methods from the Layer base class that all Leaflet layers use.
+ * Inherits all methods, options and events from `L.Evented`.
+ *
+ * @example
+ *
+ * ```js
+ * var layer = L.Marker(latlng).addTo(map);
+ * layer.addTo(map);
+ * layer.remove();
+ * ```
+ *
+ * @event add: Event
+ * Fired after the layer is added to a map
+ *
+ * @event remove: Event
+ * Fired after the layer is removed from a map
+ */
+
+
+ var Layer = Evented.extend({
+
+ // Classes extending `L.Layer` will inherit the following options:
+ options: {
+ // @option pane: String = 'overlayPane'
+ // By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default.
+ pane: 'overlayPane',
+
+ // @option attribution: String = null
+ // String to be shown in the attribution control, e.g. "© OpenStreetMap contributors". It describes the layer data and is often a legal obligation towards copyright holders and tile providers.
+ attribution: null,
+
+ bubblingMouseEvents: true
+ },
+
+ /* @section
+ * Classes extending `L.Layer` will inherit the following methods:
+ *
+ * @method addTo(map: Map|LayerGroup): this
+ * Adds the layer to the given map or layer group.
+ */
+ addTo: function (map) {
+ map.addLayer(this);
+ return this;
+ },
+
+ // @method remove: this
+ // Removes the layer from the map it is currently active on.
+ remove: function () {
+ return this.removeFrom(this._map || this._mapToAdd);
+ },
+
+ // @method removeFrom(map: Map): this
+ // Removes the layer from the given map
+ removeFrom: function (obj) {
+ if (obj) {
+ obj.removeLayer(this);
+ }
+ return this;
+ },
+
+ // @method getPane(name? : String): HTMLElement
+ // Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer.
+ getPane: function (name) {
+ return this._map.getPane(name ? (this.options[name] || name) : this.options.pane);
+ },
+
+ addInteractiveTarget: function (targetEl) {
+ this._map._targets[stamp(targetEl)] = this;
+ return this;
+ },
+
+ removeInteractiveTarget: function (targetEl) {
+ delete this._map._targets[stamp(targetEl)];
+ return this;
+ },
+
+ // @method getAttribution: String
+ // Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution).
+ getAttribution: function () {
+ return this.options.attribution;
+ },
+
+ _layerAdd: function (e) {
+ var map = e.target;
+
+ // check in case layer gets added and then removed before the map is ready
+ if (!map.hasLayer(this)) { return; }
+
+ this._map = map;
+ this._zoomAnimated = map._zoomAnimated;
+
+ if (this.getEvents) {
+ var events = this.getEvents();
+ map.on(events, this);
+ this.once('remove', function () {
+ map.off(events, this);
+ }, this);
+ }
+
+ this.onAdd(map);
+
+ if (this.getAttribution && map.attributionControl) {
+ map.attributionControl.addAttribution(this.getAttribution());
+ }
+
+ this.fire('add');
+ map.fire('layeradd', {layer: this});
+ }
+ });
+
+ /* @section Extension methods
+ * @uninheritable
+ *
+ * Every layer should extend from `L.Layer` and (re-)implement the following methods.
+ *
+ * @method onAdd(map: Map): this
+ * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer).
+ *
+ * @method onRemove(map: Map): this
+ * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer).
+ *
+ * @method getEvents(): Object
+ * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer.
+ *
+ * @method getAttribution(): String
+ * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible.
+ *
+ * @method beforeAdd(map: Map): this
+ * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only.
+ */
+
+
+ /* @namespace Map
+ * @section Layer events
+ *
+ * @event layeradd: LayerEvent
+ * Fired when a new layer is added to the map.
+ *
+ * @event layerremove: LayerEvent
+ * Fired when some layer is removed from the map
+ *
+ * @section Methods for Layers and Controls
+ */
+ Map.include({
+ // @method addLayer(layer: Layer): this
+ // Adds the given layer to the map
+ addLayer: function (layer) {
+ if (!layer._layerAdd) {
+ throw new Error('The provided object is not a Layer.');
+ }
+
+ var id = stamp(layer);
+ if (this._layers[id]) { return this; }
+ this._layers[id] = layer;
+
+ layer._mapToAdd = this;
+
+ if (layer.beforeAdd) {
+ layer.beforeAdd(this);
+ }
+
+ this.whenReady(layer._layerAdd, layer);
+
+ return this;
+ },
+
+ // @method removeLayer(layer: Layer): this
+ // Removes the given layer from the map.
+ removeLayer: function (layer) {
+ var id = stamp(layer);
+
+ if (!this._layers[id]) { return this; }
+
+ if (this._loaded) {
+ layer.onRemove(this);
+ }
+
+ if (layer.getAttribution && this.attributionControl) {
+ this.attributionControl.removeAttribution(layer.getAttribution());
+ }
+
+ delete this._layers[id];
+
+ if (this._loaded) {
+ this.fire('layerremove', {layer: layer});
+ layer.fire('remove');
+ }
+
+ layer._map = layer._mapToAdd = null;
+
+ return this;
+ },
+
+ // @method hasLayer(layer: Layer): Boolean
+ // Returns `true` if the given layer is currently added to the map
+ hasLayer: function (layer) {
+ return !!layer && (stamp(layer) in this._layers);
+ },
+
+ /* @method eachLayer(fn: Function, context?: Object): this
+ * Iterates over the layers of the map, optionally specifying context of the iterator function.
+ * ```
+ * map.eachLayer(function(layer){
+ * layer.bindPopup('Hello');
+ * });
+ * ```
+ */
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ method.call(context, this._layers[i]);
+ }
+ return this;
+ },
+
+ _addLayers: function (layers) {
+ layers = layers ? (isArray(layers) ? layers : [layers]) : [];
+
+ for (var i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ },
+
+ _addZoomLimit: function (layer) {
+ if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) {
+ this._zoomBoundLayers[stamp(layer)] = layer;
+ this._updateZoomLevels();
+ }
+ },
+
+ _removeZoomLimit: function (layer) {
+ var id = stamp(layer);
+
+ if (this._zoomBoundLayers[id]) {
+ delete this._zoomBoundLayers[id];
+ this._updateZoomLevels();
+ }
+ },
+
+ _updateZoomLevels: function () {
+ var minZoom = Infinity,
+ maxZoom = -Infinity,
+ oldZoomSpan = this._getZoomSpan();
+
+ for (var i in this._zoomBoundLayers) {
+ var options = this._zoomBoundLayers[i].options;
+
+ minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom);
+ maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom);
+ }
+
+ this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom;
+ this._layersMinZoom = minZoom === Infinity ? undefined : minZoom;
+
+ // @section Map state change events
+ // @event zoomlevelschange: Event
+ // Fired when the number of zoomlevels on the map is changed due
+ // to adding or removing a layer.
+ if (oldZoomSpan !== this._getZoomSpan()) {
+ this.fire('zoomlevelschange');
+ }
+
+ if (this.options.maxZoom === undefined && this._layersMaxZoom && this.getZoom() > this._layersMaxZoom) {
+ this.setZoom(this._layersMaxZoom);
+ }
+ if (this.options.minZoom === undefined && this._layersMinZoom && this.getZoom() < this._layersMinZoom) {
+ this.setZoom(this._layersMinZoom);
+ }
+ }
+ });
+
+ /*
+ * @class LayerGroup
+ * @aka L.LayerGroup
+ * @inherits Layer
+ *
+ * Used to group several layers and handle them as one. If you add it to the map,
+ * any layers added or removed from the group will be added/removed on the map as
+ * well. Extends `Layer`.
+ *
+ * @example
+ *
+ * ```js
+ * L.layerGroup([marker1, marker2])
+ * .addLayer(polyline)
+ * .addTo(map);
+ * ```
+ */
+
+ var LayerGroup = Layer.extend({
+
+ initialize: function (layers, options) {
+ setOptions(this, options);
+
+ this._layers = {};
+
+ var i, len;
+
+ if (layers) {
+ for (i = 0, len = layers.length; i < len; i++) {
+ this.addLayer(layers[i]);
+ }
+ }
+ },
+
+ // @method addLayer(layer: Layer): this
+ // Adds the given layer to the group.
+ addLayer: function (layer) {
+ var id = this.getLayerId(layer);
+
+ this._layers[id] = layer;
+
+ if (this._map) {
+ this._map.addLayer(layer);
+ }
+
+ return this;
+ },
+
+ // @method removeLayer(layer: Layer): this
+ // Removes the given layer from the group.
+ // @alternative
+ // @method removeLayer(id: Number): this
+ // Removes the layer with the given internal ID from the group.
+ removeLayer: function (layer) {
+ var id = layer in this._layers ? layer : this.getLayerId(layer);
+
+ if (this._map && this._layers[id]) {
+ this._map.removeLayer(this._layers[id]);
+ }
+
+ delete this._layers[id];
+
+ return this;
+ },
+
+ // @method hasLayer(layer: Layer): Boolean
+ // Returns `true` if the given layer is currently added to the group.
+ // @alternative
+ // @method hasLayer(id: Number): Boolean
+ // Returns `true` if the given internal ID is currently added to the group.
+ hasLayer: function (layer) {
+ return !!layer && (layer in this._layers || this.getLayerId(layer) in this._layers);
+ },
+
+ // @method clearLayers(): this
+ // Removes all the layers from the group.
+ clearLayers: function () {
+ return this.eachLayer(this.removeLayer, this);
+ },
+
+ // @method invoke(methodName: String, …): this
+ // Calls `methodName` on every layer contained in this group, passing any
+ // additional parameters. Has no effect if the layers contained do not
+ // implement `methodName`.
+ invoke: function (methodName) {
+ var args = Array.prototype.slice.call(arguments, 1),
+ i, layer;
+
+ for (i in this._layers) {
+ layer = this._layers[i];
+
+ if (layer[methodName]) {
+ layer[methodName].apply(layer, args);
+ }
+ }
+
+ return this;
+ },
+
+ onAdd: function (map) {
+ this.eachLayer(map.addLayer, map);
+ },
+
+ onRemove: function (map) {
+ this.eachLayer(map.removeLayer, map);
+ },
+
+ // @method eachLayer(fn: Function, context?: Object): this
+ // Iterates over the layers of the group, optionally specifying context of the iterator function.
+ // ```js
+ // group.eachLayer(function (layer) {
+ // layer.bindPopup('Hello');
+ // });
+ // ```
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ method.call(context, this._layers[i]);
+ }
+ return this;
+ },
+
+ // @method getLayer(id: Number): Layer
+ // Returns the layer with the given internal ID.
+ getLayer: function (id) {
+ return this._layers[id];
+ },
+
+ // @method getLayers(): Layer[]
+ // Returns an array of all the layers added to the group.
+ getLayers: function () {
+ var layers = [];
+ this.eachLayer(layers.push, layers);
+ return layers;
+ },
+
+ // @method setZIndex(zIndex: Number): this
+ // Calls `setZIndex` on every layer contained in this group, passing the z-index.
+ setZIndex: function (zIndex) {
+ return this.invoke('setZIndex', zIndex);
+ },
+
+ // @method getLayerId(layer: Layer): Number
+ // Returns the internal ID for a layer
+ getLayerId: function (layer) {
+ return stamp(layer);
+ }
+ });
+
+
+// @factory L.layerGroup(layers?: Layer[], options?: Object)
+// Create a layer group, optionally given an initial set of layers and an `options` object.
+ var layerGroup = function (layers, options) {
+ return new LayerGroup(layers, options);
+ };
+
+ /*
+ * @class FeatureGroup
+ * @aka L.FeatureGroup
+ * @inherits LayerGroup
+ *
+ * Extended `LayerGroup` that makes it easier to do the same thing to all its member layers:
+ * * [`bindPopup`](#layer-bindpopup) binds a popup to all of the layers at once (likewise with [`bindTooltip`](#layer-bindtooltip))
+ * * Events are propagated to the `FeatureGroup`, so if the group has an event
+ * handler, it will handle events from any of the layers. This includes mouse events
+ * and custom events.
+ * * Has `layeradd` and `layerremove` events
+ *
+ * @example
+ *
+ * ```js
+ * L.featureGroup([marker1, marker2, polyline])
+ * .bindPopup('Hello world!')
+ * .on('click', function() { alert('Clicked on a member of the group!'); })
+ * .addTo(map);
+ * ```
+ */
+
+ var FeatureGroup = LayerGroup.extend({
+
+ addLayer: function (layer) {
+ if (this.hasLayer(layer)) {
+ return this;
+ }
+
+ layer.addEventParent(this);
+
+ LayerGroup.prototype.addLayer.call(this, layer);
+
+ // @event layeradd: LayerEvent
+ // Fired when a layer is added to this `FeatureGroup`
+ return this.fire('layeradd', {layer: layer});
+ },
+
+ removeLayer: function (layer) {
+ if (!this.hasLayer(layer)) {
+ return this;
+ }
+ if (layer in this._layers) {
+ layer = this._layers[layer];
+ }
+
+ layer.removeEventParent(this);
+
+ LayerGroup.prototype.removeLayer.call(this, layer);
+
+ // @event layerremove: LayerEvent
+ // Fired when a layer is removed from this `FeatureGroup`
+ return this.fire('layerremove', {layer: layer});
+ },
+
+ // @method setStyle(style: Path options): this
+ // Sets the given path options to each layer of the group that has a `setStyle` method.
+ setStyle: function (style) {
+ return this.invoke('setStyle', style);
+ },
+
+ // @method bringToFront(): this
+ // Brings the layer group to the top of all other layers
+ bringToFront: function () {
+ return this.invoke('bringToFront');
+ },
+
+ // @method bringToBack(): this
+ // Brings the layer group to the back of all other layers
+ bringToBack: function () {
+ return this.invoke('bringToBack');
+ },
+
+ // @method getBounds(): LatLngBounds
+ // Returns the LatLngBounds of the Feature Group (created from bounds and coordinates of its children).
+ getBounds: function () {
+ var bounds = new LatLngBounds();
+
+ for (var id in this._layers) {
+ var layer = this._layers[id];
+ bounds.extend(layer.getBounds ? layer.getBounds() : layer.getLatLng());
+ }
+ return bounds;
+ }
+ });
+
+// @factory L.featureGroup(layers: Layer[])
+// Create a feature group, optionally given an initial set of layers.
+ var featureGroup = function (layers) {
+ return new FeatureGroup(layers);
+ };
+
+ /*
+ * @class Icon
+ * @aka L.Icon
+ *
+ * Represents an icon to provide when creating a marker.
+ *
+ * @example
+ *
+ * ```js
+ * var myIcon = L.icon({
+ * iconUrl: 'my-icon.png',
+ * iconRetinaUrl: 'my-icon@2x.png',
+ * iconSize: [38, 95],
+ * iconAnchor: [22, 94],
+ * popupAnchor: [-3, -76],
+ * shadowUrl: 'my-icon-shadow.png',
+ * shadowRetinaUrl: 'my-icon-shadow@2x.png',
+ * shadowSize: [68, 95],
+ * shadowAnchor: [22, 94]
+ * });
+ *
+ * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map);
+ * ```
+ *
+ * `L.Icon.Default` extends `L.Icon` and is the blue icon Leaflet uses for markers by default.
+ *
+ */
+
+ var Icon = Class.extend({
+
+ /* @section
+ * @aka Icon options
+ *
+ * @option iconUrl: String = null
+ * **(required)** The URL to the icon image (absolute or relative to your script path).
+ *
+ * @option iconRetinaUrl: String = null
+ * The URL to a retina sized version of the icon image (absolute or relative to your
+ * script path). Used for Retina screen devices.
+ *
+ * @option iconSize: Point = null
+ * Size of the icon image in pixels.
+ *
+ * @option iconAnchor: Point = null
+ * The coordinates of the "tip" of the icon (relative to its top left corner). The icon
+ * will be aligned so that this point is at the marker's geographical location. Centered
+ * by default if size is specified, also can be set in CSS with negative margins.
+ *
+ * @option popupAnchor: Point = [0, 0]
+ * The coordinates of the point from which popups will "open", relative to the icon anchor.
+ *
+ * @option tooltipAnchor: Point = [0, 0]
+ * The coordinates of the point from which tooltips will "open", relative to the icon anchor.
+ *
+ * @option shadowUrl: String = null
+ * The URL to the icon shadow image. If not specified, no shadow image will be created.
+ *
+ * @option shadowRetinaUrl: String = null
+ *
+ * @option shadowSize: Point = null
+ * Size of the shadow image in pixels.
+ *
+ * @option shadowAnchor: Point = null
+ * The coordinates of the "tip" of the shadow (relative to its top left corner) (the same
+ * as iconAnchor if not specified).
+ *
+ * @option className: String = ''
+ * A custom class name to assign to both icon and shadow images. Empty by default.
+ */
+
+ options: {
+ popupAnchor: [0, 0],
+ tooltipAnchor: [0, 0]
+ },
+
+ initialize: function (options) {
+ setOptions(this, options);
+ },
+
+ // @method createIcon(oldIcon?: HTMLElement): HTMLElement
+ // Called internally when the icon has to be shown, returns a ` data ): this
+ // Adds a GeoJSON object to the layer.
+ addData: function (geojson) {
+ var features = isArray(geojson) ? geojson : geojson.features,
+ i, len, feature;
+
+ if (features) {
+ for (i = 0, len = features.length; i < len; i++) {
+ // only add this if geometry or geometries are set and not null
+ feature = features[i];
+ if (feature.geometries || feature.geometry || feature.features || feature.coordinates) {
+ this.addData(feature);
+ }
+ }
+ return this;
+ }
+
+ var options = this.options;
+
+ if (options.filter && !options.filter(geojson)) { return this; }
+
+ var layer = geometryToLayer(geojson, options);
+ if (!layer) {
+ return this;
+ }
+ layer.feature = asFeature(geojson);
+
+ layer.defaultOptions = layer.options;
+ this.resetStyle(layer);
+
+ if (options.onEachFeature) {
+ options.onEachFeature(geojson, layer);
+ }
+
+ return this.addLayer(layer);
+ },
+
+ // @method resetStyle( layer ): this
+ // Resets the given vector layer's style to the original GeoJSON style, useful for resetting style after hover events.
+ resetStyle: function (layer) {
+ // reset any custom styles
+ layer.options = extend({}, layer.defaultOptions);
+ this._setLayerStyle(layer, this.options.style);
+ return this;
+ },
+
+ // @method setStyle( style ): this
+ // Changes styles of GeoJSON vector layers with the given style function.
+ setStyle: function (style) {
+ return this.eachLayer(function (layer) {
+ this._setLayerStyle(layer, style);
+ }, this);
+ },
+
+ _setLayerStyle: function (layer, style) {
+ if (typeof style === 'function') {
+ style = style(layer.feature);
+ }
+ if (layer.setStyle) {
+ layer.setStyle(style);
+ }
+ }
+ });
+
+// @section
+// There are several static functions which can be called without instantiating L.GeoJSON:
+
+// @function geometryToLayer(featureData: Object, options?: GeoJSON options): Layer
+// Creates a `Layer` from a given GeoJSON feature. Can use a custom
+// [`pointToLayer`](#geojson-pointtolayer) and/or [`coordsToLatLng`](#geojson-coordstolatlng)
+// functions if provided as options.
+ function geometryToLayer(geojson, options) {
+
+ var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
+ coords = geometry ? geometry.coordinates : null,
+ layers = [],
+ pointToLayer = options && options.pointToLayer,
+ _coordsToLatLng = options && options.coordsToLatLng || coordsToLatLng,
+ latlng, latlngs, i, len;
+
+ if (!coords && !geometry) {
+ return null;
+ }
+
+ switch (geometry.type) {
+ case 'Point':
+ latlng = _coordsToLatLng(coords);
+ return pointToLayer ? pointToLayer(geojson, latlng) : new Marker(latlng);
+
+ case 'MultiPoint':
+ for (i = 0, len = coords.length; i < len; i++) {
+ latlng = _coordsToLatLng(coords[i]);
+ layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new Marker(latlng));
+ }
+ return new FeatureGroup(layers);
+
+ case 'LineString':
+ case 'MultiLineString':
+ latlngs = coordsToLatLngs(coords, geometry.type === 'LineString' ? 0 : 1, _coordsToLatLng);
+ return new Polyline(latlngs, options);
+
+ case 'Polygon':
+ case 'MultiPolygon':
+ latlngs = coordsToLatLngs(coords, geometry.type === 'Polygon' ? 1 : 2, _coordsToLatLng);
+ return new Polygon(latlngs, options);
+
+ case 'GeometryCollection':
+ for (i = 0, len = geometry.geometries.length; i < len; i++) {
+ var layer = geometryToLayer({
+ geometry: geometry.geometries[i],
+ type: 'Feature',
+ properties: geojson.properties
+ }, options);
+
+ if (layer) {
+ layers.push(layer);
+ }
+ }
+ return new FeatureGroup(layers);
+
+ default:
+ throw new Error('Invalid GeoJSON object.');
+ }
+ }
+
+// @function coordsToLatLng(coords: Array): LatLng
+// Creates a `LatLng` object from an array of 2 numbers (longitude, latitude)
+// or 3 numbers (longitude, latitude, altitude) used in GeoJSON for points.
+ function coordsToLatLng(coords) {
+ return new LatLng(coords[1], coords[0], coords[2]);
+ }
+
+// @function coordsToLatLngs(coords: Array, levelsDeep?: Number, coordsToLatLng?: Function): Array
+// Creates a multidimensional array of `LatLng`s from a GeoJSON coordinates array.
+// `levelsDeep` specifies the nesting level (0 is for an array of points, 1 for an array of arrays of points, etc., 0 by default).
+// Can use a custom [`coordsToLatLng`](#geojson-coordstolatlng) function.
+ function coordsToLatLngs(coords, levelsDeep, _coordsToLatLng) {
+ var latlngs = [];
+
+ for (var i = 0, len = coords.length, latlng; i < len; i++) {
+ latlng = levelsDeep ?
+ coordsToLatLngs(coords[i], levelsDeep - 1, _coordsToLatLng) :
+ (_coordsToLatLng || coordsToLatLng)(coords[i]);
+
+ latlngs.push(latlng);
+ }
+
+ return latlngs;
+ }
+
+// @function latLngToCoords(latlng: LatLng, precision?: Number): Array
+// Reverse of [`coordsToLatLng`](#geojson-coordstolatlng)
+ function latLngToCoords(latlng, precision) {
+ precision = typeof precision === 'number' ? precision : 6;
+ return latlng.alt !== undefined ?
+ [formatNum(latlng.lng, precision), formatNum(latlng.lat, precision), formatNum(latlng.alt, precision)] :
+ [formatNum(latlng.lng, precision), formatNum(latlng.lat, precision)];
+ }
+
+// @function latLngsToCoords(latlngs: Array, levelsDeep?: Number, closed?: Boolean): Array
+// Reverse of [`coordsToLatLngs`](#geojson-coordstolatlngs)
+// `closed` determines whether the first point should be appended to the end of the array to close the feature, only used when `levelsDeep` is 0. False by default.
+ function latLngsToCoords(latlngs, levelsDeep, closed, precision) {
+ var coords = [];
+
+ for (var i = 0, len = latlngs.length; i < len; i++) {
+ coords.push(levelsDeep ?
+ latLngsToCoords(latlngs[i], levelsDeep - 1, closed, precision) :
+ latLngToCoords(latlngs[i], precision));
+ }
+
+ if (!levelsDeep && closed) {
+ coords.push(coords[0]);
+ }
+
+ return coords;
+ }
+
+ function getFeature(layer, newGeometry) {
+ return layer.feature ?
+ extend({}, layer.feature, {geometry: newGeometry}) :
+ asFeature(newGeometry);
+ }
+
+// @function asFeature(geojson: Object): Object
+// Normalize GeoJSON geometries/features into GeoJSON features.
+ function asFeature(geojson) {
+ if (geojson.type === 'Feature' || geojson.type === 'FeatureCollection') {
+ return geojson;
+ }
+
+ return {
+ type: 'Feature',
+ properties: {},
+ geometry: geojson
+ };
+ }
+
+ var PointToGeoJSON = {
+ toGeoJSON: function (precision) {
+ return getFeature(this, {
+ type: 'Point',
+ coordinates: latLngToCoords(this.getLatLng(), precision)
+ });
+ }
+ };
+
+// @namespace Marker
+// @method toGeoJSON(): Object
+// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the marker (as a GeoJSON `Point` Feature).
+ Marker.include(PointToGeoJSON);
+
+// @namespace CircleMarker
+// @method toGeoJSON(): Object
+// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the circle marker (as a GeoJSON `Point` Feature).
+ Circle.include(PointToGeoJSON);
+ CircleMarker.include(PointToGeoJSON);
+
+
+// @namespace Polyline
+// @method toGeoJSON(): Object
+// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the polyline (as a GeoJSON `LineString` or `MultiLineString` Feature).
+ Polyline.include({
+ toGeoJSON: function (precision) {
+ var multi = !isFlat(this._latlngs);
+
+ var coords = latLngsToCoords(this._latlngs, multi ? 1 : 0, false, precision);
+
+ return getFeature(this, {
+ type: (multi ? 'Multi' : '') + 'LineString',
+ coordinates: coords
+ });
+ }
+ });
+
+// @namespace Polygon
+// @method toGeoJSON(): Object
+// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the polygon (as a GeoJSON `Polygon` or `MultiPolygon` Feature).
+ Polygon.include({
+ toGeoJSON: function (precision) {
+ var holes = !isFlat(this._latlngs),
+ multi = holes && !isFlat(this._latlngs[0]);
+
+ var coords = latLngsToCoords(this._latlngs, multi ? 2 : holes ? 1 : 0, true, precision);
+
+ if (!holes) {
+ coords = [coords];
+ }
+
+ return getFeature(this, {
+ type: (multi ? 'Multi' : '') + 'Polygon',
+ coordinates: coords
+ });
+ }
+ });
+
+
+// @namespace LayerGroup
+ LayerGroup.include({
+ toMultiPoint: function (precision) {
+ var coords = [];
+
+ this.eachLayer(function (layer) {
+ coords.push(layer.toGeoJSON(precision).geometry.coordinates);
+ });
+
+ return getFeature(this, {
+ type: 'MultiPoint',
+ coordinates: coords
+ });
+ },
+
+ // @method toGeoJSON(): Object
+ // Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the layer group (as a GeoJSON `FeatureCollection`, `GeometryCollection`, or `MultiPoint`).
+ toGeoJSON: function (precision) {
+
+ var type = this.feature && this.feature.geometry && this.feature.geometry.type;
+
+ if (type === 'MultiPoint') {
+ return this.toMultiPoint(precision);
+ }
+
+ var isGeometryCollection = type === 'GeometryCollection',
+ jsons = [];
+
+ this.eachLayer(function (layer) {
+ if (layer.toGeoJSON) {
+ var json = layer.toGeoJSON(precision);
+ if (isGeometryCollection) {
+ jsons.push(json.geometry);
+ } else {
+ var feature = asFeature(json);
+ // Squash nested feature collections
+ if (feature.type === 'FeatureCollection') {
+ jsons.push.apply(jsons, feature.features);
+ } else {
+ jsons.push(feature);
+ }
+ }
+ }
+ });
+
+ if (isGeometryCollection) {
+ return getFeature(this, {
+ geometries: jsons,
+ type: 'GeometryCollection'
+ });
+ }
+
+ return {
+ type: 'FeatureCollection',
+ features: jsons
+ };
+ }
+ });
+
+// @namespace GeoJSON
+// @factory L.geoJSON(geojson?: Object, options?: GeoJSON options)
+// Creates a GeoJSON layer. Optionally accepts an object in
+// [GeoJSON format](https://tools.ietf.org/html/rfc7946) to display on the map
+// (you can alternatively add it later with `addData` method) and an `options` object.
+ function geoJSON(geojson, options) {
+ return new GeoJSON(geojson, options);
+ }
+
+// Backward compatibility.
+ var geoJson = geoJSON;
+
+ /*
+ * @class ImageOverlay
+ * @aka L.ImageOverlay
+ * @inherits Interactive layer
+ *
+ * Used to load and display a single image over specific bounds of the map. Extends `Layer`.
+ *
+ * @example
+ *
+ * ```js
+ * var imageUrl = 'http://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
+ * imageBounds = [[40.712216, -74.22655], [40.773941, -74.12544]];
+ * L.imageOverlay(imageUrl, imageBounds).addTo(map);
+ * ```
+ */
+
+ var ImageOverlay = Layer.extend({
+
+ // @section
+ // @aka ImageOverlay options
+ options: {
+ // @option opacity: Number = 1.0
+ // The opacity of the image overlay.
+ opacity: 1,
+
+ // @option alt: String = ''
+ // Text for the `alt` attribute of the image (useful for accessibility).
+ alt: '',
+
+ // @option interactive: Boolean = false
+ // If `true`, the image overlay will emit [mouse events](#interactive-layer) when clicked or hovered.
+ interactive: false,
+
+ // @option crossOrigin: Boolean|String = false
+ // Whether the crossOrigin attribute will be added to the image.
+ // If a String is provided, the image will have its crossOrigin attribute set to the String provided. This is needed if you want to access image pixel data.
+ // Refer to [CORS Settings](https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_settings_attributes) for valid String values.
+ crossOrigin: false,
+
+ // @option errorOverlayUrl: String = ''
+ // URL to the overlay image to show in place of the overlay that failed to load.
+ errorOverlayUrl: '',
+
+ // @option zIndex: Number = 1
+ // The explicit [zIndex](https://developer.mozilla.org/docs/Web/CSS/CSS_Positioning/Understanding_z_index) of the overlay layer.
+ zIndex: 1,
+
+ // @option className: String = ''
+ // A custom class name to assign to the image. Empty by default.
+ className: ''
+ },
+
+ initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
+ this._url = url;
+ this._bounds = toLatLngBounds(bounds);
+
+ setOptions(this, options);
+ },
+
+ onAdd: function () {
+ if (!this._image) {
+ this._initImage();
+
+ if (this.options.opacity < 1) {
+ this._updateOpacity();
+ }
+ }
+
+ if (this.options.interactive) {
+ addClass(this._image, 'leaflet-interactive');
+ this.addInteractiveTarget(this._image);
+ }
+
+ this.getPane().appendChild(this._image);
+ this._reset();
+ },
+
+ onRemove: function () {
+ remove(this._image);
+ if (this.options.interactive) {
+ this.removeInteractiveTarget(this._image);
+ }
+ },
+
+ // @method setOpacity(opacity: Number): this
+ // Sets the opacity of the overlay.
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+
+ if (this._image) {
+ this._updateOpacity();
+ }
+ return this;
+ },
+
+ setStyle: function (styleOpts) {
+ if (styleOpts.opacity) {
+ this.setOpacity(styleOpts.opacity);
+ }
+ return this;
+ },
+
+ // @method bringToFront(): this
+ // Brings the layer to the top of all overlays.
+ bringToFront: function () {
+ if (this._map) {
+ toFront(this._image);
+ }
+ return this;
+ },
+
+ // @method bringToBack(): this
+ // Brings the layer to the bottom of all overlays.
+ bringToBack: function () {
+ if (this._map) {
+ toBack(this._image);
+ }
+ return this;
+ },
+
+ // @method setUrl(url: String): this
+ // Changes the URL of the image.
+ setUrl: function (url) {
+ this._url = url;
+
+ if (this._image) {
+ this._image.src = url;
+ }
+ return this;
+ },
+
+ // @method setBounds(bounds: LatLngBounds): this
+ // Update the bounds that this ImageOverlay covers
+ setBounds: function (bounds) {
+ this._bounds = toLatLngBounds(bounds);
+
+ if (this._map) {
+ this._reset();
+ }
+ return this;
+ },
+
+ getEvents: function () {
+ var events = {
+ zoom: this._reset,
+ viewreset: this._reset
+ };
+
+ if (this._zoomAnimated) {
+ events.zoomanim = this._animateZoom;
+ }
+
+ return events;
+ },
+
+ // @method setZIndex(value: Number): this
+ // Changes the [zIndex](#imageoverlay-zindex) of the image overlay.
+ setZIndex: function (value) {
+ this.options.zIndex = value;
+ this._updateZIndex();
+ return this;
+ },
+
+ // @method getBounds(): LatLngBounds
+ // Get the bounds that this ImageOverlay covers
+ getBounds: function () {
+ return this._bounds;
+ },
+
+ // @method getElement(): HTMLElement
+ // Returns the instance of [`HTMLImageElement`](https://developer.mozilla.org/docs/Web/API/HTMLImageElement)
+ // used by this overlay.
+ getElement: function () {
+ return this._image;
+ },
+
+ _initImage: function () {
+ var wasElementSupplied = this._url.tagName === 'IMG';
+ var img = this._image = wasElementSupplied ? this._url : create$1('img');
+
+ addClass(img, 'leaflet-image-layer');
+ if (this._zoomAnimated) { addClass(img, 'leaflet-zoom-animated'); }
+ if (this.options.className) { addClass(img, this.options.className); }
+
+ img.onselectstart = falseFn;
+ img.onmousemove = falseFn;
+
+ // @event load: Event
+ // Fired when the ImageOverlay layer has loaded its image
+ img.onload = bind(this.fire, this, 'load');
+ img.onerror = bind(this._overlayOnError, this, 'error');
+
+ if (this.options.crossOrigin || this.options.crossOrigin === '') {
+ img.crossOrigin = this.options.crossOrigin === true ? '' : this.options.crossOrigin;
+ }
+
+ if (this.options.zIndex) {
+ this._updateZIndex();
+ }
+
+ if (wasElementSupplied) {
+ this._url = img.src;
+ return;
+ }
+
+ img.src = this._url;
+ img.alt = this.options.alt;
+ },
+
+ _animateZoom: function (e) {
+ var scale = this._map.getZoomScale(e.zoom),
+ offset = this._map._latLngBoundsToNewLayerBounds(this._bounds, e.zoom, e.center).min;
+
+ setTransform(this._image, offset, scale);
+ },
+
+ _reset: function () {
+ var image = this._image,
+ bounds = new Bounds(
+ this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
+ this._map.latLngToLayerPoint(this._bounds.getSouthEast())),
+ size = bounds.getSize();
+
+ setPosition(image, bounds.min);
+
+ image.style.width = size.x + 'px';
+ image.style.height = size.y + 'px';
+ },
+
+ _updateOpacity: function () {
+ setOpacity(this._image, this.options.opacity);
+ },
+
+ _updateZIndex: function () {
+ if (this._image && this.options.zIndex !== undefined && this.options.zIndex !== null) {
+ this._image.style.zIndex = this.options.zIndex;
+ }
+ },
+
+ _overlayOnError: function () {
+ // @event error: Event
+ // Fired when the ImageOverlay layer fails to load its image
+ this.fire('error');
+
+ var errorUrl = this.options.errorOverlayUrl;
+ if (errorUrl && this._url !== errorUrl) {
+ this._url = errorUrl;
+ this._image.src = errorUrl;
+ }
+ }
+ });
+
+// @factory L.imageOverlay(imageUrl: String, bounds: LatLngBounds, options?: ImageOverlay options)
+// Instantiates an image overlay object given the URL of the image and the
+// geographical bounds it is tied to.
+ var imageOverlay = function (url, bounds, options) {
+ return new ImageOverlay(url, bounds, options);
+ };
+
+ /*
+ * @class VideoOverlay
+ * @aka L.VideoOverlay
+ * @inherits ImageOverlay
+ *
+ * Used to load and display a video player over specific bounds of the map. Extends `ImageOverlay`.
+ *
+ * A video overlay uses the [``](https://developer.mozilla.org/docs/Web/HTML/Element/video)
+ * HTML5 element.
+ *
+ * @example
+ *
+ * ```js
+ * var videoUrl = 'https://www.mapbox.com/bites/00188/patricia_nasa.webm',
+ * videoBounds = [[ 32, -130], [ 13, -100]];
+ * L.videoOverlay(videoUrl, videoBounds ).addTo(map);
+ * ```
+ */
+
+ var VideoOverlay = ImageOverlay.extend({
+
+ // @section
+ // @aka VideoOverlay options
+ options: {
+ // @option autoplay: Boolean = true
+ // Whether the video starts playing automatically when loaded.
+ autoplay: true,
+
+ // @option loop: Boolean = true
+ // Whether the video will loop back to the beginning when played.
+ loop: true
+ },
+
+ _initImage: function () {
+ var wasElementSupplied = this._url.tagName === 'VIDEO';
+ var vid = this._image = wasElementSupplied ? this._url : create$1('video');
+
+ addClass(vid, 'leaflet-image-layer');
+ if (this._zoomAnimated) { addClass(vid, 'leaflet-zoom-animated'); }
+
+ vid.onselectstart = falseFn;
+ vid.onmousemove = falseFn;
+
+ // @event load: Event
+ // Fired when the video has finished loading the first frame
+ vid.onloadeddata = bind(this.fire, this, 'load');
+
+ if (wasElementSupplied) {
+ var sourceElements = vid.getElementsByTagName('source');
+ var sources = [];
+ for (var j = 0; j < sourceElements.length; j++) {
+ sources.push(sourceElements[j].src);
+ }
+
+ this._url = (sourceElements.length > 0) ? sources : [vid.src];
+ return;
+ }
+
+ if (!isArray(this._url)) { this._url = [this._url]; }
+
+ vid.autoplay = !!this.options.autoplay;
+ vid.loop = !!this.options.loop;
+ for (var i = 0; i < this._url.length; i++) {
+ var source = create$1('source');
+ source.src = this._url[i];
+ vid.appendChild(source);
+ }
+ }
+
+ // @method getElement(): HTMLVideoElement
+ // Returns the instance of [`HTMLVideoElement`](https://developer.mozilla.org/docs/Web/API/HTMLVideoElement)
+ // used by this overlay.
+ });
+
+
+// @factory L.videoOverlay(video: String|Array|HTMLVideoElement, bounds: LatLngBounds, options?: VideoOverlay options)
+// Instantiates an image overlay object given the URL of the video (or array of URLs, or even a video element) and the
+// geographical bounds it is tied to.
+
+ function videoOverlay(video, bounds, options) {
+ return new VideoOverlay(video, bounds, options);
+ }
+
+ /*
+ * @class DivOverlay
+ * @inherits Layer
+ * @aka L.DivOverlay
+ * Base model for L.Popup and L.Tooltip. Inherit from it for custom popup like plugins.
+ */
+
+// @namespace DivOverlay
+ var DivOverlay = Layer.extend({
+
+ // @section
+ // @aka DivOverlay options
+ options: {
+ // @option offset: Point = Point(0, 7)
+ // The offset of the popup position. Useful to control the anchor
+ // of the popup when opening it on some overlays.
+ offset: [0, 7],
+
+ // @option className: String = ''
+ // A custom CSS class name to assign to the popup.
+ className: '',
+
+ // @option pane: String = 'popupPane'
+ // `Map pane` where the popup will be added.
+ pane: 'popupPane'
+ },
+
+ initialize: function (options, source) {
+ setOptions(this, options);
+
+ this._source = source;
+ },
+
+ onAdd: function (map) {
+ this._zoomAnimated = map._zoomAnimated;
+
+ if (!this._container) {
+ this._initLayout();
+ }
+
+ if (map._fadeAnimated) {
+ setOpacity(this._container, 0);
+ }
+
+ clearTimeout(this._removeTimeout);
+ this.getPane().appendChild(this._container);
+ this.update();
+
+ if (map._fadeAnimated) {
+ setOpacity(this._container, 1);
+ }
+
+ this.bringToFront();
+ },
+
+ onRemove: function (map) {
+ if (map._fadeAnimated) {
+ setOpacity(this._container, 0);
+ this._removeTimeout = setTimeout(bind(remove, undefined, this._container), 200);
+ } else {
+ remove(this._container);
+ }
+ },
+
+ // @namespace Popup
+ // @method getLatLng: LatLng
+ // Returns the geographical point of popup.
+ getLatLng: function () {
+ return this._latlng;
+ },
+
+ // @method setLatLng(latlng: LatLng): this
+ // Sets the geographical point where the popup will open.
+ setLatLng: function (latlng) {
+ this._latlng = toLatLng(latlng);
+ if (this._map) {
+ this._updatePosition();
+ this._adjustPan();
+ }
+ return this;
+ },
+
+ // @method getContent: String|HTMLElement
+ // Returns the content of the popup.
+ getContent: function () {
+ return this._content;
+ },
+
+ // @method setContent(htmlContent: String|HTMLElement|Function): this
+ // Sets the HTML content of the popup. If a function is passed the source layer will be passed to the function. The function should return a `String` or `HTMLElement` to be used in the popup.
+ setContent: function (content) {
+ this._content = content;
+ this.update();
+ return this;
+ },
+
+ // @method getElement: String|HTMLElement
+ // Alias for [getContent()](#popup-getcontent)
+ getElement: function () {
+ return this._container;
+ },
+
+ // @method update: null
+ // Updates the popup content, layout and position. Useful for updating the popup after something inside changed, e.g. image loaded.
+ update: function () {
+ if (!this._map) { return; }
+
+ this._container.style.visibility = 'hidden';
+
+ this._updateContent();
+ this._updateLayout();
+ this._updatePosition();
+
+ this._container.style.visibility = '';
+
+ this._adjustPan();
+ },
+
+ getEvents: function () {
+ var events = {
+ zoom: this._updatePosition,
+ viewreset: this._updatePosition
+ };
+
+ if (this._zoomAnimated) {
+ events.zoomanim = this._animateZoom;
+ }
+ return events;
+ },
+
+ // @method isOpen: Boolean
+ // Returns `true` when the popup is visible on the map.
+ isOpen: function () {
+ return !!this._map && this._map.hasLayer(this);
+ },
+
+ // @method bringToFront: this
+ // Brings this popup in front of other popups (in the same map pane).
+ bringToFront: function () {
+ if (this._map) {
+ toFront(this._container);
+ }
+ return this;
+ },
+
+ // @method bringToBack: this
+ // Brings this popup to the back of other popups (in the same map pane).
+ bringToBack: function () {
+ if (this._map) {
+ toBack(this._container);
+ }
+ return this;
+ },
+
+ _updateContent: function () {
+ if (!this._content) { return; }
+
+ var node = this._contentNode;
+ var content = (typeof this._content === 'function') ? this._content(this._source || this) : this._content;
+
+ if (typeof content === 'string') {
+ node.innerHTML = content;
+ } else {
+ while (node.hasChildNodes()) {
+ node.removeChild(node.firstChild);
+ }
+ node.appendChild(content);
+ }
+ this.fire('contentupdate');
+ },
+
+ _updatePosition: function () {
+ if (!this._map) { return; }
+
+ var pos = this._map.latLngToLayerPoint(this._latlng),
+ offset = toPoint(this.options.offset),
+ anchor = this._getAnchor();
+
+ if (this._zoomAnimated) {
+ setPosition(this._container, pos.add(anchor));
+ } else {
+ offset = offset.add(pos).add(anchor);
+ }
+
+ var bottom = this._containerBottom = -offset.y,
+ left = this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x;
+
+ // bottom position the popup in case the height of the popup changes (images loading etc)
+ this._container.style.bottom = bottom + 'px';
+ this._container.style.left = left + 'px';
+ },
+
+ _getAnchor: function () {
+ return [0, 0];
+ }
+
+ });
+
+ /*
+ * @class Popup
+ * @inherits DivOverlay
+ * @aka L.Popup
+ * Used to open popups in certain places of the map. Use [Map.openPopup](#map-openpopup) to
+ * open popups while making sure that only one popup is open at one time
+ * (recommended for usability), or use [Map.addLayer](#map-addlayer) to open as many as you want.
+ *
+ * @example
+ *
+ * If you want to just bind a popup to marker click and then open it, it's really easy:
+ *
+ * ```js
+ * marker.bindPopup(popupContent).openPopup();
+ * ```
+ * Path overlays like polylines also have a `bindPopup` method.
+ * Here's a more complicated way to open a popup on a map:
+ *
+ * ```js
+ * var popup = L.popup()
+ * .setLatLng(latlng)
+ * .setContent('Hello world!
')
+ * .openOn(map);
+ * ```
+ */
+
+
+// @namespace Popup
+ var Popup = DivOverlay.extend({
+
+ // @section
+ // @aka Popup options
+ options: {
+ // @option maxWidth: Number = 300
+ // Max width of the popup, in pixels.
+ maxWidth: 300,
+
+ // @option minWidth: Number = 50
+ // Min width of the popup, in pixels.
+ minWidth: 50,
+
+ // @option maxHeight: Number = null
+ // If set, creates a scrollable container of the given height
+ // inside a popup if its content exceeds it.
+ maxHeight: null,
+
+ // @option autoPan: Boolean = true
+ // Set it to `false` if you don't want the map to do panning animation
+ // to fit the opened popup.
+ autoPan: true,
+
+ // @option autoPanPaddingTopLeft: Point = null
+ // The margin between the popup and the top left corner of the map
+ // view after autopanning was performed.
+ autoPanPaddingTopLeft: null,
+
+ // @option autoPanPaddingBottomRight: Point = null
+ // The margin between the popup and the bottom right corner of the map
+ // view after autopanning was performed.
+ autoPanPaddingBottomRight: null,
+
+ // @option autoPanPadding: Point = Point(5, 5)
+ // Equivalent of setting both top left and bottom right autopan padding to the same value.
+ autoPanPadding: [5, 5],
+
+ // @option keepInView: Boolean = false
+ // Set it to `true` if you want to prevent users from panning the popup
+ // off of the screen while it is open.
+ keepInView: false,
+
+ // @option closeButton: Boolean = true
+ // Controls the presence of a close button in the popup.
+ closeButton: true,
+
+ // @option autoClose: Boolean = true
+ // Set it to `false` if you want to override the default behavior of
+ // the popup closing when another popup is opened.
+ autoClose: true,
+
+ // @option closeOnEscapeKey: Boolean = true
+ // Set it to `false` if you want to override the default behavior of
+ // the ESC key for closing of the popup.
+ closeOnEscapeKey: true,
+
+ // @option closeOnClick: Boolean = *
+ // Set it if you want to override the default behavior of the popup closing when user clicks
+ // on the map. Defaults to the map's [`closePopupOnClick`](#map-closepopuponclick) option.
+
+ // @option className: String = ''
+ // A custom CSS class name to assign to the popup.
+ className: ''
+ },
+
+ // @namespace Popup
+ // @method openOn(map: Map): this
+ // Adds the popup to the map and closes the previous one. The same as `map.openPopup(popup)`.
+ openOn: function (map) {
+ map.openPopup(this);
+ return this;
+ },
+
+ onAdd: function (map) {
+ DivOverlay.prototype.onAdd.call(this, map);
+
+ // @namespace Map
+ // @section Popup events
+ // @event popupopen: PopupEvent
+ // Fired when a popup is opened in the map
+ map.fire('popupopen', {popup: this});
+
+ if (this._source) {
+ // @namespace Layer
+ // @section Popup events
+ // @event popupopen: PopupEvent
+ // Fired when a popup bound to this layer is opened
+ this._source.fire('popupopen', {popup: this}, true);
+ // For non-path layers, we toggle the popup when clicking
+ // again the layer, so prevent the map to reopen it.
+ if (!(this._source instanceof Path)) {
+ this._source.on('preclick', stopPropagation);
+ }
+ }
+ },
+
+ onRemove: function (map) {
+ DivOverlay.prototype.onRemove.call(this, map);
+
+ // @namespace Map
+ // @section Popup events
+ // @event popupclose: PopupEvent
+ // Fired when a popup in the map is closed
+ map.fire('popupclose', {popup: this});
+
+ if (this._source) {
+ // @namespace Layer
+ // @section Popup events
+ // @event popupclose: PopupEvent
+ // Fired when a popup bound to this layer is closed
+ this._source.fire('popupclose', {popup: this}, true);
+ if (!(this._source instanceof Path)) {
+ this._source.off('preclick', stopPropagation);
+ }
+ }
+ },
+
+ getEvents: function () {
+ var events = DivOverlay.prototype.getEvents.call(this);
+
+ if (this.options.closeOnClick !== undefined ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
+ events.preclick = this._close;
+ }
+
+ if (this.options.keepInView) {
+ events.moveend = this._adjustPan;
+ }
+
+ return events;
+ },
+
+ _close: function () {
+ if (this._map) {
+ this._map.closePopup(this);
+ }
+ },
+
+ _initLayout: function () {
+ var prefix = 'leaflet-popup',
+ container = this._container = create$1('div',
+ prefix + ' ' + (this.options.className || '') +
+ ' leaflet-zoom-animated');
+
+ var wrapper = this._wrapper = create$1('div', prefix + '-content-wrapper', container);
+ this._contentNode = create$1('div', prefix + '-content', wrapper);
+
+ disableClickPropagation(wrapper);
+ disableScrollPropagation(this._contentNode);
+ on(wrapper, 'contextmenu', stopPropagation);
+
+ this._tipContainer = create$1('div', prefix + '-tip-container', container);
+ this._tip = create$1('div', prefix + '-tip', this._tipContainer);
+
+ if (this.options.closeButton) {
+ var closeButton = this._closeButton = create$1('a', prefix + '-close-button', container);
+ closeButton.href = '#close';
+ closeButton.innerHTML = '×';
+
+ on(closeButton, 'click', this._onCloseButtonClick, this);
+ }
+ },
+
+ _updateLayout: function () {
+ var container = this._contentNode,
+ style = container.style;
+
+ style.width = '';
+ style.whiteSpace = 'nowrap';
+
+ var width = container.offsetWidth;
+ width = Math.min(width, this.options.maxWidth);
+ width = Math.max(width, this.options.minWidth);
+
+ style.width = (width + 1) + 'px';
+ style.whiteSpace = '';
+
+ style.height = '';
+
+ var height = container.offsetHeight,
+ maxHeight = this.options.maxHeight,
+ scrolledClass = 'leaflet-popup-scrolled';
+
+ if (maxHeight && height > maxHeight) {
+ style.height = maxHeight + 'px';
+ addClass(container, scrolledClass);
+ } else {
+ removeClass(container, scrolledClass);
+ }
+
+ this._containerWidth = this._container.offsetWidth;
+ },
+
+ _animateZoom: function (e) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center),
+ anchor = this._getAnchor();
+ setPosition(this._container, pos.add(anchor));
+ },
+
+ _adjustPan: function () {
+ if (!this.options.autoPan) { return; }
+ if (this._map._panAnim) { this._map._panAnim.stop(); }
+
+ var map = this._map,
+ marginBottom = parseInt(getStyle(this._container, 'marginBottom'), 10) || 0,
+ containerHeight = this._container.offsetHeight + marginBottom,
+ containerWidth = this._containerWidth,
+ layerPos = new Point(this._containerLeft, -containerHeight - this._containerBottom);
+
+ layerPos._add(getPosition(this._container));
+
+ var containerPos = map.layerPointToContainerPoint(layerPos),
+ padding = toPoint(this.options.autoPanPadding),
+ paddingTL = toPoint(this.options.autoPanPaddingTopLeft || padding),
+ paddingBR = toPoint(this.options.autoPanPaddingBottomRight || padding),
+ size = map.getSize(),
+ dx = 0,
+ dy = 0;
+
+ if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right
+ dx = containerPos.x + containerWidth - size.x + paddingBR.x;
+ }
+ if (containerPos.x - dx - paddingTL.x < 0) { // left
+ dx = containerPos.x - paddingTL.x;
+ }
+ if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom
+ dy = containerPos.y + containerHeight - size.y + paddingBR.y;
+ }
+ if (containerPos.y - dy - paddingTL.y < 0) { // top
+ dy = containerPos.y - paddingTL.y;
+ }
+
+ // @namespace Map
+ // @section Popup events
+ // @event autopanstart: Event
+ // Fired when the map starts autopanning when opening a popup.
+ if (dx || dy) {
+ map
+ .fire('autopanstart')
+ .panBy([dx, dy]);
+ }
+ },
+
+ _onCloseButtonClick: function (e) {
+ this._close();
+ stop(e);
+ },
+
+ _getAnchor: function () {
+ // Where should we anchor the popup on the source layer?
+ return toPoint(this._source && this._source._getPopupAnchor ? this._source._getPopupAnchor() : [0, 0]);
+ }
+
+ });
+
+// @namespace Popup
+// @factory L.popup(options?: Popup options, source?: Layer)
+// Instantiates a `Popup` object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the popup with a reference to the Layer to which it refers.
+ var popup = function (options, source) {
+ return new Popup(options, source);
+ };
+
+
+ /* @namespace Map
+ * @section Interaction Options
+ * @option closePopupOnClick: Boolean = true
+ * Set it to `false` if you don't want popups to close when user clicks the map.
+ */
+ Map.mergeOptions({
+ closePopupOnClick: true
+ });
+
+
+// @namespace Map
+// @section Methods for Layers and Controls
+ Map.include({
+ // @method openPopup(popup: Popup): this
+ // Opens the specified popup while closing the previously opened (to make sure only one is opened at one time for usability).
+ // @alternative
+ // @method openPopup(content: String|HTMLElement, latlng: LatLng, options?: Popup options): this
+ // Creates a popup with the specified content and options and opens it in the given point on a map.
+ openPopup: function (popup, latlng, options) {
+ if (!(popup instanceof Popup)) {
+ popup = new Popup(options).setContent(popup);
+ }
+
+ if (latlng) {
+ popup.setLatLng(latlng);
+ }
+
+ if (this.hasLayer(popup)) {
+ return this;
+ }
+
+ if (this._popup && this._popup.options.autoClose) {
+ this.closePopup();
+ }
+
+ this._popup = popup;
+ return this.addLayer(popup);
+ },
+
+ // @method closePopup(popup?: Popup): this
+ // Closes the popup previously opened with [openPopup](#map-openpopup) (or the given one).
+ closePopup: function (popup) {
+ if (!popup || popup === this._popup) {
+ popup = this._popup;
+ this._popup = null;
+ }
+ if (popup) {
+ this.removeLayer(popup);
+ }
+ return this;
+ }
+ });
+
+ /*
+ * @namespace Layer
+ * @section Popup methods example
+ *
+ * All layers share a set of methods convenient for binding popups to it.
+ *
+ * ```js
+ * var layer = L.Polygon(latlngs).bindPopup('Hi There!').addTo(map);
+ * layer.openPopup();
+ * layer.closePopup();
+ * ```
+ *
+ * Popups will also be automatically opened when the layer is clicked on and closed when the layer is removed from the map or another popup is opened.
+ */
+
+// @section Popup methods
+ Layer.include({
+
+ // @method bindPopup(content: String|HTMLElement|Function|Popup, options?: Popup options): this
+ // Binds a popup to the layer with the passed `content` and sets up the
+ // necessary event listeners. If a `Function` is passed it will receive
+ // the layer as the first argument and should return a `String` or `HTMLElement`.
+ bindPopup: function (content, options) {
+
+ if (content instanceof Popup) {
+ setOptions(content, options);
+ this._popup = content;
+ content._source = this;
+ } else {
+ if (!this._popup || options) {
+ this._popup = new Popup(options, this);
+ }
+ this._popup.setContent(content);
+ }
+
+ if (!this._popupHandlersAdded) {
+ this.on({
+ click: this._openPopup,
+ keypress: this._onKeyPress,
+ remove: this.closePopup,
+ move: this._movePopup
+ });
+ this._popupHandlersAdded = true;
+ }
+
+ return this;
+ },
+
+ // @method unbindPopup(): this
+ // Removes the popup previously bound with `bindPopup`.
+ unbindPopup: function () {
+ if (this._popup) {
+ this.off({
+ click: this._openPopup,
+ keypress: this._onKeyPress,
+ remove: this.closePopup,
+ move: this._movePopup
+ });
+ this._popupHandlersAdded = false;
+ this._popup = null;
+ }
+ return this;
+ },
+
+ // @method openPopup(latlng?: LatLng): this
+ // Opens the bound popup at the specified `latlng` or at the default popup anchor if no `latlng` is passed.
+ openPopup: function (layer, latlng) {
+ if (!(layer instanceof Layer)) {
+ latlng = layer;
+ layer = this;
+ }
+
+ if (layer instanceof FeatureGroup) {
+ for (var id in this._layers) {
+ layer = this._layers[id];
+ break;
+ }
+ }
+
+ if (!latlng) {
+ latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng();
+ }
+
+ if (this._popup && this._map) {
+ // set popup source to this layer
+ this._popup._source = layer;
+
+ // update the popup (content, layout, ect...)
+ this._popup.update();
+
+ // open the popup on the map
+ this._map.openPopup(this._popup, latlng);
+ }
+
+ return this;
+ },
+
+ // @method closePopup(): this
+ // Closes the popup bound to this layer if it is open.
+ closePopup: function () {
+ if (this._popup) {
+ this._popup._close();
+ }
+ return this;
+ },
+
+ // @method togglePopup(): this
+ // Opens or closes the popup bound to this layer depending on its current state.
+ togglePopup: function (target) {
+ if (this._popup) {
+ if (this._popup._map) {
+ this.closePopup();
+ } else {
+ this.openPopup(target);
+ }
+ }
+ return this;
+ },
+
+ // @method isPopupOpen(): boolean
+ // Returns `true` if the popup bound to this layer is currently open.
+ isPopupOpen: function () {
+ return (this._popup ? this._popup.isOpen() : false);
+ },
+
+ // @method setPopupContent(content: String|HTMLElement|Popup): this
+ // Sets the content of the popup bound to this layer.
+ setPopupContent: function (content) {
+ if (this._popup) {
+ this._popup.setContent(content);
+ }
+ return this;
+ },
+
+ // @method getPopup(): Popup
+ // Returns the popup bound to this layer.
+ getPopup: function () {
+ return this._popup;
+ },
+
+ _openPopup: function (e) {
+ var layer = e.layer || e.target;
+
+ if (!this._popup) {
+ return;
+ }
+
+ if (!this._map) {
+ return;
+ }
+
+ // prevent map click
+ stop(e);
+
+ // if this inherits from Path its a vector and we can just
+ // open the popup at the new location
+ if (layer instanceof Path) {
+ this.openPopup(e.layer || e.target, e.latlng);
+ return;
+ }
+
+ // otherwise treat it like a marker and figure out
+ // if we should toggle it open/closed
+ if (this._map.hasLayer(this._popup) && this._popup._source === layer) {
+ this.closePopup();
+ } else {
+ this.openPopup(layer, e.latlng);
+ }
+ },
+
+ _movePopup: function (e) {
+ this._popup.setLatLng(e.latlng);
+ },
+
+ _onKeyPress: function (e) {
+ if (e.originalEvent.keyCode === 13) {
+ this._openPopup(e);
+ }
+ }
+ });
+
+ /*
+ * @class Tooltip
+ * @inherits DivOverlay
+ * @aka L.Tooltip
+ * Used to display small texts on top of map layers.
+ *
+ * @example
+ *
+ * ```js
+ * marker.bindTooltip("my tooltip text").openTooltip();
+ * ```
+ * Note about tooltip offset. Leaflet takes two options in consideration
+ * for computing tooltip offsetting:
+ * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip.
+ * Add a positive x offset to move the tooltip to the right, and a positive y offset to
+ * move it to the bottom. Negatives will move to the left and top.
+ * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You
+ * should adapt this value if you use a custom icon.
+ */
+
+
+// @namespace Tooltip
+ var Tooltip = DivOverlay.extend({
+
+ // @section
+ // @aka Tooltip options
+ options: {
+ // @option pane: String = 'tooltipPane'
+ // `Map pane` where the tooltip will be added.
+ pane: 'tooltipPane',
+
+ // @option offset: Point = Point(0, 0)
+ // Optional offset of the tooltip position.
+ offset: [0, 0],
+
+ // @option direction: String = 'auto'
+ // Direction where to open the tooltip. Possible values are: `right`, `left`,
+ // `top`, `bottom`, `center`, `auto`.
+ // `auto` will dynamically switch between `right` and `left` according to the tooltip
+ // position on the map.
+ direction: 'auto',
+
+ // @option permanent: Boolean = false
+ // Whether to open the tooltip permanently or only on mouseover.
+ permanent: false,
+
+ // @option sticky: Boolean = false
+ // If true, the tooltip will follow the mouse instead of being fixed at the feature center.
+ sticky: false,
+
+ // @option interactive: Boolean = false
+ // If true, the tooltip will listen to the feature events.
+ interactive: false,
+
+ // @option opacity: Number = 0.9
+ // Tooltip container opacity.
+ opacity: 0.9
+ },
+
+ onAdd: function (map) {
+ DivOverlay.prototype.onAdd.call(this, map);
+ this.setOpacity(this.options.opacity);
+
+ // @namespace Map
+ // @section Tooltip events
+ // @event tooltipopen: TooltipEvent
+ // Fired when a tooltip is opened in the map.
+ map.fire('tooltipopen', {tooltip: this});
+
+ if (this._source) {
+ // @namespace Layer
+ // @section Tooltip events
+ // @event tooltipopen: TooltipEvent
+ // Fired when a tooltip bound to this layer is opened.
+ this._source.fire('tooltipopen', {tooltip: this}, true);
+ }
+ },
+
+ onRemove: function (map) {
+ DivOverlay.prototype.onRemove.call(this, map);
+
+ // @namespace Map
+ // @section Tooltip events
+ // @event tooltipclose: TooltipEvent
+ // Fired when a tooltip in the map is closed.
+ map.fire('tooltipclose', {tooltip: this});
+
+ if (this._source) {
+ // @namespace Layer
+ // @section Tooltip events
+ // @event tooltipclose: TooltipEvent
+ // Fired when a tooltip bound to this layer is closed.
+ this._source.fire('tooltipclose', {tooltip: this}, true);
+ }
+ },
+
+ getEvents: function () {
+ var events = DivOverlay.prototype.getEvents.call(this);
+
+ if (touch && !this.options.permanent) {
+ events.preclick = this._close;
+ }
+
+ return events;
+ },
+
+ _close: function () {
+ if (this._map) {
+ this._map.closeTooltip(this);
+ }
+ },
+
+ _initLayout: function () {
+ var prefix = 'leaflet-tooltip',
+ className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide');
+
+ this._contentNode = this._container = create$1('div', className);
+ },
+
+ _updateLayout: function () {},
+
+ _adjustPan: function () {},
+
+ _setPosition: function (pos) {
+ var map = this._map,
+ container = this._container,
+ centerPoint = map.latLngToContainerPoint(map.getCenter()),
+ tooltipPoint = map.layerPointToContainerPoint(pos),
+ direction = this.options.direction,
+ tooltipWidth = container.offsetWidth,
+ tooltipHeight = container.offsetHeight,
+ offset = toPoint(this.options.offset),
+ anchor = this._getAnchor();
+
+ if (direction === 'top') {
+ pos = pos.add(toPoint(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true));
+ } else if (direction === 'bottom') {
+ pos = pos.subtract(toPoint(tooltipWidth / 2 - offset.x, -offset.y, true));
+ } else if (direction === 'center') {
+ pos = pos.subtract(toPoint(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y, true));
+ } else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) {
+ direction = 'right';
+ pos = pos.add(toPoint(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true));
+ } else {
+ direction = 'left';
+ pos = pos.subtract(toPoint(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true));
+ }
+
+ removeClass(container, 'leaflet-tooltip-right');
+ removeClass(container, 'leaflet-tooltip-left');
+ removeClass(container, 'leaflet-tooltip-top');
+ removeClass(container, 'leaflet-tooltip-bottom');
+ addClass(container, 'leaflet-tooltip-' + direction);
+ setPosition(container, pos);
+ },
+
+ _updatePosition: function () {
+ var pos = this._map.latLngToLayerPoint(this._latlng);
+ this._setPosition(pos);
+ },
+
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+
+ if (this._container) {
+ setOpacity(this._container, opacity);
+ }
+ },
+
+ _animateZoom: function (e) {
+ var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center);
+ this._setPosition(pos);
+ },
+
+ _getAnchor: function () {
+ // Where should we anchor the tooltip on the source layer?
+ return toPoint(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]);
+ }
+
+ });
+
+// @namespace Tooltip
+// @factory L.tooltip(options?: Tooltip options, source?: Layer)
+// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers.
+ var tooltip = function (options, source) {
+ return new Tooltip(options, source);
+ };
+
+// @namespace Map
+// @section Methods for Layers and Controls
+ Map.include({
+
+ // @method openTooltip(tooltip: Tooltip): this
+ // Opens the specified tooltip.
+ // @alternative
+ // @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this
+ // Creates a tooltip with the specified content and options and open it.
+ openTooltip: function (tooltip, latlng, options) {
+ if (!(tooltip instanceof Tooltip)) {
+ tooltip = new Tooltip(options).setContent(tooltip);
+ }
+
+ if (latlng) {
+ tooltip.setLatLng(latlng);
+ }
+
+ if (this.hasLayer(tooltip)) {
+ return this;
+ }
+
+ return this.addLayer(tooltip);
+ },
+
+ // @method closeTooltip(tooltip?: Tooltip): this
+ // Closes the tooltip given as parameter.
+ closeTooltip: function (tooltip) {
+ if (tooltip) {
+ this.removeLayer(tooltip);
+ }
+ return this;
+ }
+
+ });
+
+ /*
+ * @namespace Layer
+ * @section Tooltip methods example
+ *
+ * All layers share a set of methods convenient for binding tooltips to it.
+ *
+ * ```js
+ * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map);
+ * layer.openTooltip();
+ * layer.closeTooltip();
+ * ```
+ */
+
+// @section Tooltip methods
+ Layer.include({
+
+ // @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this
+ // Binds a tooltip to the layer with the passed `content` and sets up the
+ // necessary event listeners. If a `Function` is passed it will receive
+ // the layer as the first argument and should return a `String` or `HTMLElement`.
+ bindTooltip: function (content, options) {
+
+ if (content instanceof Tooltip) {
+ setOptions(content, options);
+ this._tooltip = content;
+ content._source = this;
+ } else {
+ if (!this._tooltip || options) {
+ this._tooltip = new Tooltip(options, this);
+ }
+ this._tooltip.setContent(content);
+
+ }
+
+ this._initTooltipInteractions();
+
+ if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) {
+ this.openTooltip();
+ }
+
+ return this;
+ },
+
+ // @method unbindTooltip(): this
+ // Removes the tooltip previously bound with `bindTooltip`.
+ unbindTooltip: function () {
+ if (this._tooltip) {
+ this._initTooltipInteractions(true);
+ this.closeTooltip();
+ this._tooltip = null;
+ }
+ return this;
+ },
+
+ _initTooltipInteractions: function (remove$$1) {
+ if (!remove$$1 && this._tooltipHandlersAdded) { return; }
+ var onOff = remove$$1 ? 'off' : 'on',
+ events = {
+ remove: this.closeTooltip,
+ move: this._moveTooltip
+ };
+ if (!this._tooltip.options.permanent) {
+ events.mouseover = this._openTooltip;
+ events.mouseout = this.closeTooltip;
+ if (this._tooltip.options.sticky) {
+ events.mousemove = this._moveTooltip;
+ }
+ if (touch) {
+ events.click = this._openTooltip;
+ }
+ } else {
+ events.add = this._openTooltip;
+ }
+ this[onOff](events);
+ this._tooltipHandlersAdded = !remove$$1;
+ },
+
+ // @method openTooltip(latlng?: LatLng): this
+ // Opens the bound tooltip at the specified `latlng` or at the default tooltip anchor if no `latlng` is passed.
+ openTooltip: function (layer, latlng) {
+ if (!(layer instanceof Layer)) {
+ latlng = layer;
+ layer = this;
+ }
+
+ if (layer instanceof FeatureGroup) {
+ for (var id in this._layers) {
+ layer = this._layers[id];
+ break;
+ }
+ }
+
+ if (!latlng) {
+ latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng();
+ }
+
+ if (this._tooltip && this._map) {
+
+ // set tooltip source to this layer
+ this._tooltip._source = layer;
+
+ // update the tooltip (content, layout, ect...)
+ this._tooltip.update();
+
+ // open the tooltip on the map
+ this._map.openTooltip(this._tooltip, latlng);
+
+ // Tooltip container may not be defined if not permanent and never
+ // opened.
+ if (this._tooltip.options.interactive && this._tooltip._container) {
+ addClass(this._tooltip._container, 'leaflet-clickable');
+ this.addInteractiveTarget(this._tooltip._container);
+ }
+ }
+
+ return this;
+ },
+
+ // @method closeTooltip(): this
+ // Closes the tooltip bound to this layer if it is open.
+ closeTooltip: function () {
+ if (this._tooltip) {
+ this._tooltip._close();
+ if (this._tooltip.options.interactive && this._tooltip._container) {
+ removeClass(this._tooltip._container, 'leaflet-clickable');
+ this.removeInteractiveTarget(this._tooltip._container);
+ }
+ }
+ return this;
+ },
+
+ // @method toggleTooltip(): this
+ // Opens or closes the tooltip bound to this layer depending on its current state.
+ toggleTooltip: function (target) {
+ if (this._tooltip) {
+ if (this._tooltip._map) {
+ this.closeTooltip();
+ } else {
+ this.openTooltip(target);
+ }
+ }
+ return this;
+ },
+
+ // @method isTooltipOpen(): boolean
+ // Returns `true` if the tooltip bound to this layer is currently open.
+ isTooltipOpen: function () {
+ return this._tooltip.isOpen();
+ },
+
+ // @method setTooltipContent(content: String|HTMLElement|Tooltip): this
+ // Sets the content of the tooltip bound to this layer.
+ setTooltipContent: function (content) {
+ if (this._tooltip) {
+ this._tooltip.setContent(content);
+ }
+ return this;
+ },
+
+ // @method getTooltip(): Tooltip
+ // Returns the tooltip bound to this layer.
+ getTooltip: function () {
+ return this._tooltip;
+ },
+
+ _openTooltip: function (e) {
+ var layer = e.layer || e.target;
+
+ if (!this._tooltip || !this._map) {
+ return;
+ }
+ this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined);
+ },
+
+ _moveTooltip: function (e) {
+ var latlng = e.latlng, containerPoint, layerPoint;
+ if (this._tooltip.options.sticky && e.originalEvent) {
+ containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent);
+ layerPoint = this._map.containerPointToLayerPoint(containerPoint);
+ latlng = this._map.layerPointToLatLng(layerPoint);
+ }
+ this._tooltip.setLatLng(latlng);
+ }
+ });
+
+ /*
+ * @class DivIcon
+ * @aka L.DivIcon
+ * @inherits Icon
+ *
+ * Represents a lightweight icon for markers that uses a simple ``
+ * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options.
+ *
+ * @example
+ * ```js
+ * var myIcon = L.divIcon({className: 'my-div-icon'});
+ * // you can set .my-div-icon styles in CSS
+ *
+ * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map);
+ * ```
+ *
+ * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow.
+ */
+
+ var DivIcon = Icon.extend({
+ options: {
+ // @section
+ // @aka DivIcon options
+ iconSize: [12, 12], // also can be set through CSS
+
+ // iconAnchor: (Point),
+ // popupAnchor: (Point),
+
+ // @option html: String = ''
+ // Custom HTML code to put inside the div element, empty by default.
+ html: false,
+
+ // @option bgPos: Point = [0, 0]
+ // Optional relative position of the background, in pixels
+ bgPos: null,
+
+ className: 'leaflet-div-icon'
+ },
+
+ createIcon: function (oldIcon) {
+ var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
+ options = this.options;
+
+ div.innerHTML = options.html !== false ? options.html : '';
+
+ if (options.bgPos) {
+ var bgPos = toPoint(options.bgPos);
+ div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px';
+ }
+ this._setIconStyles(div, 'icon');
+
+ return div;
+ },
+
+ createShadow: function () {
+ return null;
+ }
+ });
+
+// @factory L.divIcon(options: DivIcon options)
+// Creates a `DivIcon` instance with the given options.
+ function divIcon(options) {
+ return new DivIcon(options);
+ }
+
+ Icon.Default = IconDefault;
+
+ /*
+ * @class GridLayer
+ * @inherits Layer
+ * @aka L.GridLayer
+ *
+ * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`.
+ * GridLayer can be extended to create a tiled grid of HTML elements like `
`, ``. GridLayer will handle creating and animating these DOM elements for you.
+ *
+ *
+ * @section Synchronous usage
+ * @example
+ *
+ * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile.
+ *
+ * ```js
+ * var CanvasLayer = L.GridLayer.extend({
+ * createTile: function(coords){
+ * // create a
element for drawing
+ * var tile = L.DomUtil.create('canvas', 'leaflet-tile');
+ *
+ * // setup tile width and height according to the options
+ * var size = this.getTileSize();
+ * tile.width = size.x;
+ * tile.height = size.y;
+ *
+ * // get a canvas context and draw something on it using coords.x, coords.y and coords.z
+ * var ctx = tile.getContext('2d');
+ *
+ * // return the tile so it can be rendered on screen
+ * return tile;
+ * }
+ * });
+ * ```
+ *
+ * @section Asynchronous usage
+ * @example
+ *
+ * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback.
+ *
+ * ```js
+ * var CanvasLayer = L.GridLayer.extend({
+ * createTile: function(coords, done){
+ * var error;
+ *
+ * // create a element for drawing
+ * var tile = L.DomUtil.create('canvas', 'leaflet-tile');
+ *
+ * // setup tile width and height according to the options
+ * var size = this.getTileSize();
+ * tile.width = size.x;
+ * tile.height = size.y;
+ *
+ * // draw something asynchronously and pass the tile to the done() callback
+ * setTimeout(function() {
+ * done(error, tile);
+ * }, 1000);
+ *
+ * return tile;
+ * }
+ * });
+ * ```
+ *
+ * @section
+ */
+
+
+ var GridLayer = Layer.extend({
+
+ // @section
+ // @aka GridLayer options
+ options: {
+ // @option tileSize: Number|Point = 256
+ // Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise.
+ tileSize: 256,
+
+ // @option opacity: Number = 1.0
+ // Opacity of the tiles. Can be used in the `createTile()` function.
+ opacity: 1,
+
+ // @option updateWhenIdle: Boolean = (depends)
+ // Load new tiles only when panning ends.
+ // `true` by default on mobile browsers, in order to avoid too many requests and keep smooth navigation.
+ // `false` otherwise in order to display new tiles _during_ panning, since it is easy to pan outside the
+ // [`keepBuffer`](#gridlayer-keepbuffer) option in desktop browsers.
+ updateWhenIdle: mobile,
+
+ // @option updateWhenZooming: Boolean = true
+ // By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends.
+ updateWhenZooming: true,
+
+ // @option updateInterval: Number = 200
+ // Tiles will not update more than once every `updateInterval` milliseconds when panning.
+ updateInterval: 200,
+
+ // @option zIndex: Number = 1
+ // The explicit zIndex of the tile layer.
+ zIndex: 1,
+
+ // @option bounds: LatLngBounds = undefined
+ // If set, tiles will only be loaded inside the set `LatLngBounds`.
+ bounds: null,
+
+ // @option minZoom: Number = 0
+ // The minimum zoom level down to which this layer will be displayed (inclusive).
+ minZoom: 0,
+
+ // @option maxZoom: Number = undefined
+ // The maximum zoom level up to which this layer will be displayed (inclusive).
+ maxZoom: undefined,
+
+ // @option maxNativeZoom: Number = undefined
+ // Maximum zoom number the tile source has available. If it is specified,
+ // the tiles on all zoom levels higher than `maxNativeZoom` will be loaded
+ // from `maxNativeZoom` level and auto-scaled.
+ maxNativeZoom: undefined,
+
+ // @option minNativeZoom: Number = undefined
+ // Minimum zoom number the tile source has available. If it is specified,
+ // the tiles on all zoom levels lower than `minNativeZoom` will be loaded
+ // from `minNativeZoom` level and auto-scaled.
+ minNativeZoom: undefined,
+
+ // @option noWrap: Boolean = false
+ // Whether the layer is wrapped around the antimeridian. If `true`, the
+ // GridLayer will only be displayed once at low zoom levels. Has no
+ // effect when the [map CRS](#map-crs) doesn't wrap around. Can be used
+ // in combination with [`bounds`](#gridlayer-bounds) to prevent requesting
+ // tiles outside the CRS limits.
+ noWrap: false,
+
+ // @option pane: String = 'tilePane'
+ // `Map pane` where the grid layer will be added.
+ pane: 'tilePane',
+
+ // @option className: String = ''
+ // A custom class name to assign to the tile layer. Empty by default.
+ className: '',
+
+ // @option keepBuffer: Number = 2
+ // When panning the map, keep this many rows and columns of tiles before unloading them.
+ keepBuffer: 2
+ },
+
+ initialize: function (options) {
+ setOptions(this, options);
+ },
+
+ onAdd: function () {
+ this._initContainer();
+
+ this._levels = {};
+ this._tiles = {};
+
+ this._resetView();
+ this._update();
+ },
+
+ beforeAdd: function (map) {
+ map._addZoomLimit(this);
+ },
+
+ onRemove: function (map) {
+ this._removeAllTiles();
+ remove(this._container);
+ map._removeZoomLimit(this);
+ this._container = null;
+ this._tileZoom = undefined;
+ },
+
+ // @method bringToFront: this
+ // Brings the tile layer to the top of all tile layers.
+ bringToFront: function () {
+ if (this._map) {
+ toFront(this._container);
+ this._setAutoZIndex(Math.max);
+ }
+ return this;
+ },
+
+ // @method bringToBack: this
+ // Brings the tile layer to the bottom of all tile layers.
+ bringToBack: function () {
+ if (this._map) {
+ toBack(this._container);
+ this._setAutoZIndex(Math.min);
+ }
+ return this;
+ },
+
+ // @method getContainer: HTMLElement
+ // Returns the HTML element that contains the tiles for this layer.
+ getContainer: function () {
+ return this._container;
+ },
+
+ // @method setOpacity(opacity: Number): this
+ // Changes the [opacity](#gridlayer-opacity) of the grid layer.
+ setOpacity: function (opacity) {
+ this.options.opacity = opacity;
+ this._updateOpacity();
+ return this;
+ },
+
+ // @method setZIndex(zIndex: Number): this
+ // Changes the [zIndex](#gridlayer-zindex) of the grid layer.
+ setZIndex: function (zIndex) {
+ this.options.zIndex = zIndex;
+ this._updateZIndex();
+
+ return this;
+ },
+
+ // @method isLoading: Boolean
+ // Returns `true` if any tile in the grid layer has not finished loading.
+ isLoading: function () {
+ return this._loading;
+ },
+
+ // @method redraw: this
+ // Causes the layer to clear all the tiles and request them again.
+ redraw: function () {
+ if (this._map) {
+ this._removeAllTiles();
+ this._update();
+ }
+ return this;
+ },
+
+ getEvents: function () {
+ var events = {
+ viewprereset: this._invalidateAll,
+ viewreset: this._resetView,
+ zoom: this._resetView,
+ moveend: this._onMoveEnd
+ };
+
+ if (!this.options.updateWhenIdle) {
+ // update tiles on move, but not more often than once per given interval
+ if (!this._onMove) {
+ this._onMove = throttle(this._onMoveEnd, this.options.updateInterval, this);
+ }
+
+ events.move = this._onMove;
+ }
+
+ if (this._zoomAnimated) {
+ events.zoomanim = this._animateZoom;
+ }
+
+ return events;
+ },
+
+ // @section Extension methods
+ // Layers extending `GridLayer` shall reimplement the following method.
+ // @method createTile(coords: Object, done?: Function): HTMLElement
+ // Called only internally, must be overridden by classes extending `GridLayer`.
+ // Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback
+ // is specified, it must be called when the tile has finished loading and drawing.
+ createTile: function () {
+ return document.createElement('div');
+ },
+
+ // @section
+ // @method getTileSize: Point
+ // Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method.
+ getTileSize: function () {
+ var s = this.options.tileSize;
+ return s instanceof Point ? s : new Point(s, s);
+ },
+
+ _updateZIndex: function () {
+ if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) {
+ this._container.style.zIndex = this.options.zIndex;
+ }
+ },
+
+ _setAutoZIndex: function (compare) {
+ // go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back)
+
+ var layers = this.getPane().children,
+ edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min
+
+ for (var i = 0, len = layers.length, zIndex; i < len; i++) {
+
+ zIndex = layers[i].style.zIndex;
+
+ if (layers[i] !== this._container && zIndex) {
+ edgeZIndex = compare(edgeZIndex, +zIndex);
+ }
+ }
+
+ if (isFinite(edgeZIndex)) {
+ this.options.zIndex = edgeZIndex + compare(-1, 1);
+ this._updateZIndex();
+ }
+ },
+
+ _updateOpacity: function () {
+ if (!this._map) { return; }
+
+ // IE doesn't inherit filter opacity properly, so we're forced to set it on tiles
+ if (ielt9) { return; }
+
+ setOpacity(this._container, this.options.opacity);
+
+ var now = +new Date(),
+ nextFrame = false,
+ willPrune = false;
+
+ for (var key in this._tiles) {
+ var tile = this._tiles[key];
+ if (!tile.current || !tile.loaded) { continue; }
+
+ var fade = Math.min(1, (now - tile.loaded) / 200);
+
+ setOpacity(tile.el, fade);
+ if (fade < 1) {
+ nextFrame = true;
+ } else {
+ if (tile.active) {
+ willPrune = true;
+ } else {
+ this._onOpaqueTile(tile);
+ }
+ tile.active = true;
+ }
+ }
+
+ if (willPrune && !this._noPrune) { this._pruneTiles(); }
+
+ if (nextFrame) {
+ cancelAnimFrame(this._fadeFrame);
+ this._fadeFrame = requestAnimFrame(this._updateOpacity, this);
+ }
+ },
+
+ _onOpaqueTile: falseFn,
+
+ _initContainer: function () {
+ if (this._container) { return; }
+
+ this._container = create$1('div', 'leaflet-layer ' + (this.options.className || ''));
+ this._updateZIndex();
+
+ if (this.options.opacity < 1) {
+ this._updateOpacity();
+ }
+
+ this.getPane().appendChild(this._container);
+ },
+
+ _updateLevels: function () {
+
+ var zoom = this._tileZoom,
+ maxZoom = this.options.maxZoom;
+
+ if (zoom === undefined) { return undefined; }
+
+ for (var z in this._levels) {
+ if (this._levels[z].el.children.length || z === zoom) {
+ this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z);
+ this._onUpdateLevel(z);
+ } else {
+ remove(this._levels[z].el);
+ this._removeTilesAtZoom(z);
+ this._onRemoveLevel(z);
+ delete this._levels[z];
+ }
+ }
+
+ var level = this._levels[zoom],
+ map = this._map;
+
+ if (!level) {
+ level = this._levels[zoom] = {};
+
+ level.el = create$1('div', 'leaflet-tile-container leaflet-zoom-animated', this._container);
+ level.el.style.zIndex = maxZoom;
+
+ level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round();
+ level.zoom = zoom;
+
+ this._setZoomTransform(level, map.getCenter(), map.getZoom());
+
+ // force the browser to consider the newly added element for transition
+ falseFn(level.el.offsetWidth);
+
+ this._onCreateLevel(level);
+ }
+
+ this._level = level;
+
+ return level;
+ },
+
+ _onUpdateLevel: falseFn,
+
+ _onRemoveLevel: falseFn,
+
+ _onCreateLevel: falseFn,
+
+ _pruneTiles: function () {
+ if (!this._map) {
+ return;
+ }
+
+ var key, tile;
+
+ var zoom = this._map.getZoom();
+ if (zoom > this.options.maxZoom ||
+ zoom < this.options.minZoom) {
+ this._removeAllTiles();
+ return;
+ }
+
+ for (key in this._tiles) {
+ tile = this._tiles[key];
+ tile.retain = tile.current;
+ }
+
+ for (key in this._tiles) {
+ tile = this._tiles[key];
+ if (tile.current && !tile.active) {
+ var coords = tile.coords;
+ if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) {
+ this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2);
+ }
+ }
+ }
+
+ for (key in this._tiles) {
+ if (!this._tiles[key].retain) {
+ this._removeTile(key);
+ }
+ }
+ },
+
+ _removeTilesAtZoom: function (zoom) {
+ for (var key in this._tiles) {
+ if (this._tiles[key].coords.z !== zoom) {
+ continue;
+ }
+ this._removeTile(key);
+ }
+ },
+
+ _removeAllTiles: function () {
+ for (var key in this._tiles) {
+ this._removeTile(key);
+ }
+ },
+
+ _invalidateAll: function () {
+ for (var z in this._levels) {
+ remove(this._levels[z].el);
+ this._onRemoveLevel(z);
+ delete this._levels[z];
+ }
+ this._removeAllTiles();
+
+ this._tileZoom = undefined;
+ },
+
+ _retainParent: function (x, y, z, minZoom) {
+ var x2 = Math.floor(x / 2),
+ y2 = Math.floor(y / 2),
+ z2 = z - 1,
+ coords2 = new Point(+x2, +y2);
+ coords2.z = +z2;
+
+ var key = this._tileCoordsToKey(coords2),
+ tile = this._tiles[key];
+
+ if (tile && tile.active) {
+ tile.retain = true;
+ return true;
+
+ } else if (tile && tile.loaded) {
+ tile.retain = true;
+ }
+
+ if (z2 > minZoom) {
+ return this._retainParent(x2, y2, z2, minZoom);
+ }
+
+ return false;
+ },
+
+ _retainChildren: function (x, y, z, maxZoom) {
+
+ for (var i = 2 * x; i < 2 * x + 2; i++) {
+ for (var j = 2 * y; j < 2 * y + 2; j++) {
+
+ var coords = new Point(i, j);
+ coords.z = z + 1;
+
+ var key = this._tileCoordsToKey(coords),
+ tile = this._tiles[key];
+
+ if (tile && tile.active) {
+ tile.retain = true;
+ continue;
+
+ } else if (tile && tile.loaded) {
+ tile.retain = true;
+ }
+
+ if (z + 1 < maxZoom) {
+ this._retainChildren(i, j, z + 1, maxZoom);
+ }
+ }
+ }
+ },
+
+ _resetView: function (e) {
+ var animating = e && (e.pinch || e.flyTo);
+ this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating);
+ },
+
+ _animateZoom: function (e) {
+ this._setView(e.center, e.zoom, true, e.noUpdate);
+ },
+
+ _clampZoom: function (zoom) {
+ var options = this.options;
+
+ if (undefined !== options.minNativeZoom && zoom < options.minNativeZoom) {
+ return options.minNativeZoom;
+ }
+
+ if (undefined !== options.maxNativeZoom && options.maxNativeZoom < zoom) {
+ return options.maxNativeZoom;
+ }
+
+ return zoom;
+ },
+
+ _setView: function (center, zoom, noPrune, noUpdate) {
+ var tileZoom = this._clampZoom(Math.round(zoom));
+ if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) ||
+ (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) {
+ tileZoom = undefined;
+ }
+
+ var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom);
+
+ if (!noUpdate || tileZoomChanged) {
+
+ this._tileZoom = tileZoom;
+
+ if (this._abortLoading) {
+ this._abortLoading();
+ }
+
+ this._updateLevels();
+ this._resetGrid();
+
+ if (tileZoom !== undefined) {
+ this._update(center);
+ }
+
+ if (!noPrune) {
+ this._pruneTiles();
+ }
+
+ // Flag to prevent _updateOpacity from pruning tiles during
+ // a zoom anim or a pinch gesture
+ this._noPrune = !!noPrune;
+ }
+
+ this._setZoomTransforms(center, zoom);
+ },
+
+ _setZoomTransforms: function (center, zoom) {
+ for (var i in this._levels) {
+ this._setZoomTransform(this._levels[i], center, zoom);
+ }
+ },
+
+ _setZoomTransform: function (level, center, zoom) {
+ var scale = this._map.getZoomScale(zoom, level.zoom),
+ translate = level.origin.multiplyBy(scale)
+ .subtract(this._map._getNewPixelOrigin(center, zoom)).round();
+
+ if (any3d) {
+ setTransform(level.el, translate, scale);
+ } else {
+ setPosition(level.el, translate);
+ }
+ },
+
+ _resetGrid: function () {
+ var map = this._map,
+ crs = map.options.crs,
+ tileSize = this._tileSize = this.getTileSize(),
+ tileZoom = this._tileZoom;
+
+ var bounds = this._map.getPixelWorldBounds(this._tileZoom);
+ if (bounds) {
+ this._globalTileRange = this._pxBoundsToTileRange(bounds);
+ }
+
+ this._wrapX = crs.wrapLng && !this.options.noWrap && [
+ Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x),
+ Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y)
+ ];
+ this._wrapY = crs.wrapLat && !this.options.noWrap && [
+ Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x),
+ Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y)
+ ];
+ },
+
+ _onMoveEnd: function () {
+ if (!this._map || this._map._animatingZoom) { return; }
+
+ this._update();
+ },
+
+ _getTiledPixelBounds: function (center) {
+ var map = this._map,
+ mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(),
+ scale = map.getZoomScale(mapZoom, this._tileZoom),
+ pixelCenter = map.project(center, this._tileZoom).floor(),
+ halfSize = map.getSize().divideBy(scale * 2);
+
+ return new Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize));
+ },
+
+ // Private method to load tiles in the grid's active zoom level according to map bounds
+ _update: function (center) {
+ var map = this._map;
+ if (!map) { return; }
+ var zoom = this._clampZoom(map.getZoom());
+
+ if (center === undefined) { center = map.getCenter(); }
+ if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom
+
+ var pixelBounds = this._getTiledPixelBounds(center),
+ tileRange = this._pxBoundsToTileRange(pixelBounds),
+ tileCenter = tileRange.getCenter(),
+ queue = [],
+ margin = this.options.keepBuffer,
+ noPruneRange = new Bounds(tileRange.getBottomLeft().subtract([margin, -margin]),
+ tileRange.getTopRight().add([margin, -margin]));
+
+ // Sanity check: panic if the tile range contains Infinity somewhere.
+ if (!(isFinite(tileRange.min.x) &&
+ isFinite(tileRange.min.y) &&
+ isFinite(tileRange.max.x) &&
+ isFinite(tileRange.max.y))) { throw new Error('Attempted to load an infinite number of tiles'); }
+
+ for (var key in this._tiles) {
+ var c = this._tiles[key].coords;
+ if (c.z !== this._tileZoom || !noPruneRange.contains(new Point(c.x, c.y))) {
+ this._tiles[key].current = false;
+ }
+ }
+
+ // _update just loads more tiles. If the tile zoom level differs too much
+ // from the map's, let _setView reset levels and prune old tiles.
+ if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; }
+
+ // create a queue of coordinates to load tiles from
+ for (var j = tileRange.min.y; j <= tileRange.max.y; j++) {
+ for (var i = tileRange.min.x; i <= tileRange.max.x; i++) {
+ var coords = new Point(i, j);
+ coords.z = this._tileZoom;
+
+ if (!this._isValidTile(coords)) { continue; }
+
+ var tile = this._tiles[this._tileCoordsToKey(coords)];
+ if (tile) {
+ tile.current = true;
+ } else {
+ queue.push(coords);
+ }
+ }
+ }
+
+ // sort tile queue to load tiles in order of their distance to center
+ queue.sort(function (a, b) {
+ return a.distanceTo(tileCenter) - b.distanceTo(tileCenter);
+ });
+
+ if (queue.length !== 0) {
+ // if it's the first batch of tiles to load
+ if (!this._loading) {
+ this._loading = true;
+ // @event loading: Event
+ // Fired when the grid layer starts loading tiles.
+ this.fire('loading');
+ }
+
+ // create DOM fragment to append tiles in one batch
+ var fragment = document.createDocumentFragment();
+
+ for (i = 0; i < queue.length; i++) {
+ this._addTile(queue[i], fragment);
+ }
+
+ this._level.el.appendChild(fragment);
+ }
+ },
+
+ _isValidTile: function (coords) {
+ var crs = this._map.options.crs;
+
+ if (!crs.infinite) {
+ // don't load tile if it's out of bounds and not wrapped
+ var bounds = this._globalTileRange;
+ if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) ||
+ (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; }
+ }
+
+ if (!this.options.bounds) { return true; }
+
+ // don't load tile if it doesn't intersect the bounds in options
+ var tileBounds = this._tileCoordsToBounds(coords);
+ return toLatLngBounds(this.options.bounds).overlaps(tileBounds);
+ },
+
+ _keyToBounds: function (key) {
+ return this._tileCoordsToBounds(this._keyToTileCoords(key));
+ },
+
+ _tileCoordsToNwSe: function (coords) {
+ var map = this._map,
+ tileSize = this.getTileSize(),
+ nwPoint = coords.scaleBy(tileSize),
+ sePoint = nwPoint.add(tileSize),
+ nw = map.unproject(nwPoint, coords.z),
+ se = map.unproject(sePoint, coords.z);
+ return [nw, se];
+ },
+
+ // converts tile coordinates to its geographical bounds
+ _tileCoordsToBounds: function (coords) {
+ var bp = this._tileCoordsToNwSe(coords),
+ bounds = new LatLngBounds(bp[0], bp[1]);
+
+ if (!this.options.noWrap) {
+ bounds = this._map.wrapLatLngBounds(bounds);
+ }
+ return bounds;
+ },
+ // converts tile coordinates to key for the tile cache
+ _tileCoordsToKey: function (coords) {
+ return coords.x + ':' + coords.y + ':' + coords.z;
+ },
+
+ // converts tile cache key to coordinates
+ _keyToTileCoords: function (key) {
+ var k = key.split(':'),
+ coords = new Point(+k[0], +k[1]);
+ coords.z = +k[2];
+ return coords;
+ },
+
+ _removeTile: function (key) {
+ var tile = this._tiles[key];
+ if (!tile) { return; }
+
+ remove(tile.el);
+
+ delete this._tiles[key];
+
+ // @event tileunload: TileEvent
+ // Fired when a tile is removed (e.g. when a tile goes off the screen).
+ this.fire('tileunload', {
+ tile: tile.el,
+ coords: this._keyToTileCoords(key)
+ });
+ },
+
+ _initTile: function (tile) {
+ addClass(tile, 'leaflet-tile');
+
+ var tileSize = this.getTileSize();
+ tile.style.width = tileSize.x + 'px';
+ tile.style.height = tileSize.y + 'px';
+
+ tile.onselectstart = falseFn;
+ tile.onmousemove = falseFn;
+
+ // update opacity on tiles in IE7-8 because of filter inheritance problems
+ if (ielt9 && this.options.opacity < 1) {
+ setOpacity(tile, this.options.opacity);
+ }
+
+ // without this hack, tiles disappear after zoom on Chrome for Android
+ // https://github.com/Leaflet/Leaflet/issues/2078
+ if (android && !android23) {
+ tile.style.WebkitBackfaceVisibility = 'hidden';
+ }
+ },
+
+ _addTile: function (coords, container) {
+ var tilePos = this._getTilePos(coords),
+ key = this._tileCoordsToKey(coords);
+
+ var tile = this.createTile(this._wrapCoords(coords), bind(this._tileReady, this, coords));
+
+ this._initTile(tile);
+
+ // if createTile is defined with a second argument ("done" callback),
+ // we know that tile is async and will be ready later; otherwise
+ if (this.createTile.length < 2) {
+ // mark tile as ready, but delay one frame for opacity animation to happen
+ requestAnimFrame(bind(this._tileReady, this, coords, null, tile));
+ }
+
+ setPosition(tile, tilePos);
+
+ // save tile in cache
+ this._tiles[key] = {
+ el: tile,
+ coords: coords,
+ current: true
+ };
+
+ container.appendChild(tile);
+ // @event tileloadstart: TileEvent
+ // Fired when a tile is requested and starts loading.
+ this.fire('tileloadstart', {
+ tile: tile,
+ coords: coords
+ });
+ },
+
+ _tileReady: function (coords, err, tile) {
+ if (err) {
+ // @event tileerror: TileErrorEvent
+ // Fired when there is an error loading a tile.
+ this.fire('tileerror', {
+ error: err,
+ tile: tile,
+ coords: coords
+ });
+ }
+
+ var key = this._tileCoordsToKey(coords);
+
+ tile = this._tiles[key];
+ if (!tile) { return; }
+
+ tile.loaded = +new Date();
+ if (this._map._fadeAnimated) {
+ setOpacity(tile.el, 0);
+ cancelAnimFrame(this._fadeFrame);
+ this._fadeFrame = requestAnimFrame(this._updateOpacity, this);
+ } else {
+ tile.active = true;
+ this._pruneTiles();
+ }
+
+ if (!err) {
+ addClass(tile.el, 'leaflet-tile-loaded');
+
+ // @event tileload: TileEvent
+ // Fired when a tile loads.
+ this.fire('tileload', {
+ tile: tile.el,
+ coords: coords
+ });
+ }
+
+ if (this._noTilesToLoad()) {
+ this._loading = false;
+ // @event load: Event
+ // Fired when the grid layer loaded all visible tiles.
+ this.fire('load');
+
+ if (ielt9 || !this._map._fadeAnimated) {
+ requestAnimFrame(this._pruneTiles, this);
+ } else {
+ // Wait a bit more than 0.2 secs (the duration of the tile fade-in)
+ // to trigger a pruning.
+ setTimeout(bind(this._pruneTiles, this), 250);
+ }
+ }
+ },
+
+ _getTilePos: function (coords) {
+ return coords.scaleBy(this.getTileSize()).subtract(this._level.origin);
+ },
+
+ _wrapCoords: function (coords) {
+ var newCoords = new Point(
+ this._wrapX ? wrapNum(coords.x, this._wrapX) : coords.x,
+ this._wrapY ? wrapNum(coords.y, this._wrapY) : coords.y);
+ newCoords.z = coords.z;
+ return newCoords;
+ },
+
+ _pxBoundsToTileRange: function (bounds) {
+ var tileSize = this.getTileSize();
+ return new Bounds(
+ bounds.min.unscaleBy(tileSize).floor(),
+ bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1]));
+ },
+
+ _noTilesToLoad: function () {
+ for (var key in this._tiles) {
+ if (!this._tiles[key].loaded) { return false; }
+ }
+ return true;
+ }
+ });
+
+// @factory L.gridLayer(options?: GridLayer options)
+// Creates a new instance of GridLayer with the supplied options.
+ function gridLayer(options) {
+ return new GridLayer(options);
+ }
+
+ /*
+ * @class TileLayer
+ * @inherits GridLayer
+ * @aka L.TileLayer
+ * Used to load and display tile layers on the map. Note that most tile servers require attribution, which you can set under `Layer`. Extends `GridLayer`.
+ *
+ * @example
+ *
+ * ```js
+ * L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png?{foo}', {foo: 'bar', attribution: 'Map data © OpenStreetMap contributors, CC-BY-SA '}).addTo(map);
+ * ```
+ *
+ * @section URL template
+ * @example
+ *
+ * A string of the following form:
+ *
+ * ```
+ * 'http://{s}.somedomain.com/blabla/{z}/{x}/{y}{r}.png'
+ * ```
+ *
+ * `{s}` means one of the available subdomains (used sequentially to help with browser parallel requests per domain limitation; subdomain values are specified in options; `a`, `b` or `c` by default, can be omitted), `{z}` — zoom level, `{x}` and `{y}` — tile coordinates. `{r}` can be used to add "@2x" to the URL to load retina tiles.
+ *
+ * You can use custom keys in the template, which will be [evaluated](#util-template) from TileLayer options, like this:
+ *
+ * ```
+ * L.tileLayer('http://{s}.somedomain.com/{foo}/{z}/{x}/{y}.png', {foo: 'bar'});
+ * ```
+ */
+
+
+ var TileLayer = GridLayer.extend({
+
+ // @section
+ // @aka TileLayer options
+ options: {
+ // @option minZoom: Number = 0
+ // The minimum zoom level down to which this layer will be displayed (inclusive).
+ minZoom: 0,
+
+ // @option maxZoom: Number = 18
+ // The maximum zoom level up to which this layer will be displayed (inclusive).
+ maxZoom: 18,
+
+ // @option subdomains: String|String[] = 'abc'
+ // Subdomains of the tile service. Can be passed in the form of one string (where each letter is a subdomain name) or an array of strings.
+ subdomains: 'abc',
+
+ // @option errorTileUrl: String = ''
+ // URL to the tile image to show in place of the tile that failed to load.
+ errorTileUrl: '',
+
+ // @option zoomOffset: Number = 0
+ // The zoom number used in tile URLs will be offset with this value.
+ zoomOffset: 0,
+
+ // @option tms: Boolean = false
+ // If `true`, inverses Y axis numbering for tiles (turn this on for [TMS](https://en.wikipedia.org/wiki/Tile_Map_Service) services).
+ tms: false,
+
+ // @option zoomReverse: Boolean = false
+ // If set to true, the zoom number used in tile URLs will be reversed (`maxZoom - zoom` instead of `zoom`)
+ zoomReverse: false,
+
+ // @option detectRetina: Boolean = false
+ // If `true` and user is on a retina display, it will request four tiles of half the specified size and a bigger zoom level in place of one to utilize the high resolution.
+ detectRetina: false,
+
+ // @option crossOrigin: Boolean|String = false
+ // Whether the crossOrigin attribute will be added to the tiles.
+ // If a String is provided, all tiles will have their crossOrigin attribute set to the String provided. This is needed if you want to access tile pixel data.
+ // Refer to [CORS Settings](https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_settings_attributes) for valid String values.
+ crossOrigin: false
+ },
+
+ initialize: function (url, options) {
+
+ this._url = url;
+
+ options = setOptions(this, options);
+
+ // detecting retina displays, adjusting tileSize and zoom levels
+ if (options.detectRetina && retina && options.maxZoom > 0) {
+
+ options.tileSize = Math.floor(options.tileSize / 2);
+
+ if (!options.zoomReverse) {
+ options.zoomOffset++;
+ options.maxZoom--;
+ } else {
+ options.zoomOffset--;
+ options.minZoom++;
+ }
+
+ options.minZoom = Math.max(0, options.minZoom);
+ }
+
+ if (typeof options.subdomains === 'string') {
+ options.subdomains = options.subdomains.split('');
+ }
+
+ // for https://github.com/Leaflet/Leaflet/issues/137
+ if (!android) {
+ this.on('tileunload', this._onTileRemove);
+ }
+ },
+
+ // @method setUrl(url: String, noRedraw?: Boolean): this
+ // Updates the layer's URL template and redraws it (unless `noRedraw` is set to `true`).
+ // If the URL does not change, the layer will not be redrawn unless
+ // the noRedraw parameter is set to false.
+ setUrl: function (url, noRedraw) {
+ if (this._url === url && noRedraw === undefined) {
+ noRedraw = true;
+ }
+
+ this._url = url;
+
+ if (!noRedraw) {
+ this.redraw();
+ }
+ return this;
+ },
+
+ // @method createTile(coords: Object, done?: Function): HTMLElement
+ // Called only internally, overrides GridLayer's [`createTile()`](#gridlayer-createtile)
+ // to return an ``](https://developer.mozilla.org/docs/Web/API/Canvas_API).
+ * Inherits `Renderer`.
+ *
+ * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not
+ * available in all web browsers, notably IE8, and overlapping geometries might
+ * not display properly in some edge cases.
+ *
+ * @example
+ *
+ * Use Canvas by default for all paths in the map:
+ *
+ * ```js
+ * var map = L.map('map', {
+ * renderer: L.canvas()
+ * });
+ * ```
+ *
+ * Use a Canvas renderer with extra padding for specific vector geometries:
+ *
+ * ```js
+ * var map = L.map('map');
+ * var myRenderer = L.canvas({ padding: 0.5 });
+ * var line = L.polyline( coordinates, { renderer: myRenderer } );
+ * var circle = L.circle( center, { renderer: myRenderer } );
+ * ```
+ */
+
+ var Canvas = Renderer.extend({
+ getEvents: function () {
+ var events = Renderer.prototype.getEvents.call(this);
+ events.viewprereset = this._onViewPreReset;
+ return events;
+ },
+
+ _onViewPreReset: function () {
+ // Set a flag so that a viewprereset+moveend+viewreset only updates&redraws once
+ this._postponeUpdatePaths = true;
+ },
+
+ onAdd: function () {
+ Renderer.prototype.onAdd.call(this);
+
+ // Redraw vectors since canvas is cleared upon removal,
+ // in case of removing the renderer itself from the map.
+ this._draw();
+ },
+
+ _initContainer: function () {
+ var container = this._container = document.createElement('canvas');
+
+ on(container, 'mousemove', throttle(this._onMouseMove, 32, this), this);
+ on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this);
+ on(container, 'mouseout', this._handleMouseOut, this);
+
+ this._ctx = container.getContext('2d');
+ },
+
+ _destroyContainer: function () {
+ cancelAnimFrame(this._redrawRequest);
+ delete this._ctx;
+ remove(this._container);
+ off(this._container);
+ delete this._container;
+ },
+
+ _updatePaths: function () {
+ if (this._postponeUpdatePaths) { return; }
+
+ var layer;
+ this._redrawBounds = null;
+ for (var id in this._layers) {
+ layer = this._layers[id];
+ layer._update();
+ }
+ this._redraw();
+ },
+
+ _update: function () {
+ if (this._map._animatingZoom && this._bounds) { return; }
+
+ Renderer.prototype._update.call(this);
+
+ var b = this._bounds,
+ container = this._container,
+ size = b.getSize(),
+ m = retina ? 2 : 1;
+
+ setPosition(container, b.min);
+
+ // set canvas size (also clearing it); use double size on retina
+ container.width = m * size.x;
+ container.height = m * size.y;
+ container.style.width = size.x + 'px';
+ container.style.height = size.y + 'px';
+
+ if (retina) {
+ this._ctx.scale(2, 2);
+ }
+
+ // translate so we use the same path coordinates after canvas element moves
+ this._ctx.translate(-b.min.x, -b.min.y);
+
+ // Tell paths to redraw themselves
+ this.fire('update');
+ },
+
+ _reset: function () {
+ Renderer.prototype._reset.call(this);
+
+ if (this._postponeUpdatePaths) {
+ this._postponeUpdatePaths = false;
+ this._updatePaths();
+ }
+ },
+
+ _initPath: function (layer) {
+ this._updateDashArray(layer);
+ this._layers[stamp(layer)] = layer;
+
+ var order = layer._order = {
+ layer: layer,
+ prev: this._drawLast,
+ next: null
+ };
+ if (this._drawLast) { this._drawLast.next = order; }
+ this._drawLast = order;
+ this._drawFirst = this._drawFirst || this._drawLast;
+ },
+
+ _addPath: function (layer) {
+ this._requestRedraw(layer);
+ },
+
+ _removePath: function (layer) {
+ var order = layer._order;
+ var next = order.next;
+ var prev = order.prev;
+
+ if (next) {
+ next.prev = prev;
+ } else {
+ this._drawLast = prev;
+ }
+ if (prev) {
+ prev.next = next;
+ } else {
+ this._drawFirst = next;
+ }
+
+ delete layer._order;
+
+ delete this._layers[stamp(layer)];
+
+ this._requestRedraw(layer);
+ },
+
+ _updatePath: function (layer) {
+ // Redraw the union of the layer's old pixel
+ // bounds and the new pixel bounds.
+ this._extendRedrawBounds(layer);
+ layer._project();
+ layer._update();
+ // The redraw will extend the redraw bounds
+ // with the new pixel bounds.
+ this._requestRedraw(layer);
+ },
+
+ _updateStyle: function (layer) {
+ this._updateDashArray(layer);
+ this._requestRedraw(layer);
+ },
+
+ _updateDashArray: function (layer) {
+ if (typeof layer.options.dashArray === 'string') {
+ var parts = layer.options.dashArray.split(/[, ]+/),
+ dashArray = [],
+ dashValue,
+ i;
+ for (i = 0; i < parts.length; i++) {
+ dashValue = Number(parts[i]);
+ // Ignore dash array containing invalid lengths
+ if (isNaN(dashValue)) { return; }
+ dashArray.push(dashValue);
+ }
+ layer.options._dashArray = dashArray;
+ } else {
+ layer.options._dashArray = layer.options.dashArray;
+ }
+ },
+
+ _requestRedraw: function (layer) {
+ if (!this._map) { return; }
+
+ this._extendRedrawBounds(layer);
+ this._redrawRequest = this._redrawRequest || requestAnimFrame(this._redraw, this);
+ },
+
+ _extendRedrawBounds: function (layer) {
+ if (layer._pxBounds) {
+ var padding = (layer.options.weight || 0) + 1;
+ this._redrawBounds = this._redrawBounds || new Bounds();
+ this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding]));
+ this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding]));
+ }
+ },
+
+ _redraw: function () {
+ this._redrawRequest = null;
+
+ if (this._redrawBounds) {
+ this._redrawBounds.min._floor();
+ this._redrawBounds.max._ceil();
+ }
+
+ this._clear(); // clear layers in redraw bounds
+ this._draw(); // draw layers
+
+ this._redrawBounds = null;
+ },
+
+ _clear: function () {
+ var bounds = this._redrawBounds;
+ if (bounds) {
+ var size = bounds.getSize();
+ this._ctx.clearRect(bounds.min.x, bounds.min.y, size.x, size.y);
+ } else {
+ this._ctx.clearRect(0, 0, this._container.width, this._container.height);
+ }
+ },
+
+ _draw: function () {
+ var layer, bounds = this._redrawBounds;
+ this._ctx.save();
+ if (bounds) {
+ var size = bounds.getSize();
+ this._ctx.beginPath();
+ this._ctx.rect(bounds.min.x, bounds.min.y, size.x, size.y);
+ this._ctx.clip();
+ }
+
+ this._drawing = true;
+
+ for (var order = this._drawFirst; order; order = order.next) {
+ layer = order.layer;
+ if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) {
+ layer._updatePath();
+ }
+ }
+
+ this._drawing = false;
+
+ this._ctx.restore(); // Restore state before clipping.
+ },
+
+ _updatePoly: function (layer, closed) {
+ if (!this._drawing) { return; }
+
+ var i, j, len2, p,
+ parts = layer._parts,
+ len = parts.length,
+ ctx = this._ctx;
+
+ if (!len) { return; }
+
+ ctx.beginPath();
+
+ for (i = 0; i < len; i++) {
+ for (j = 0, len2 = parts[i].length; j < len2; j++) {
+ p = parts[i][j];
+ ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y);
+ }
+ if (closed) {
+ ctx.closePath();
+ }
+ }
+
+ this._fillStroke(ctx, layer);
+
+ // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
+ },
+
+ _updateCircle: function (layer) {
+
+ if (!this._drawing || layer._empty()) { return; }
+
+ var p = layer._point,
+ ctx = this._ctx,
+ r = Math.max(Math.round(layer._radius), 1),
+ s = (Math.max(Math.round(layer._radiusY), 1) || r) / r;
+
+ if (s !== 1) {
+ ctx.save();
+ ctx.scale(1, s);
+ }
+
+ ctx.beginPath();
+ ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false);
+
+ if (s !== 1) {
+ ctx.restore();
+ }
+
+ this._fillStroke(ctx, layer);
+ },
+
+ _fillStroke: function (ctx, layer) {
+ var options = layer.options;
+
+ if (options.fill) {
+ ctx.globalAlpha = options.fillOpacity;
+ ctx.fillStyle = options.fillColor || options.color;
+ ctx.fill(options.fillRule || 'evenodd');
+ }
+
+ if (options.stroke && options.weight !== 0) {
+ if (ctx.setLineDash) {
+ ctx.setLineDash(layer.options && layer.options._dashArray || []);
+ }
+ ctx.globalAlpha = options.opacity;
+ ctx.lineWidth = options.weight;
+ ctx.strokeStyle = options.color;
+ ctx.lineCap = options.lineCap;
+ ctx.lineJoin = options.lineJoin;
+ ctx.stroke();
+ }
+ },
+
+ // Canvas obviously doesn't have mouse events for individual drawn objects,
+ // so we emulate that by calculating what's under the mouse on mousemove/click manually
+
+ _onClick: function (e) {
+ var point = this._map.mouseEventToLayerPoint(e), layer, clickedLayer;
+
+ for (var order = this._drawFirst; order; order = order.next) {
+ layer = order.layer;
+ if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) {
+ clickedLayer = layer;
+ }
+ }
+ if (clickedLayer) {
+ fakeStop(e);
+ this._fireEvent([clickedLayer], e);
+ }
+ },
+
+ _onMouseMove: function (e) {
+ if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; }
+
+ var point = this._map.mouseEventToLayerPoint(e);
+ this._handleMouseHover(e, point);
+ },
+
+
+ _handleMouseOut: function (e) {
+ var layer = this._hoveredLayer;
+ if (layer) {
+ // if we're leaving the layer, fire mouseout
+ removeClass(this._container, 'leaflet-interactive');
+ this._fireEvent([layer], e, 'mouseout');
+ this._hoveredLayer = null;
+ }
+ },
+
+ _handleMouseHover: function (e, point) {
+ var layer, candidateHoveredLayer;
+
+ for (var order = this._drawFirst; order; order = order.next) {
+ layer = order.layer;
+ if (layer.options.interactive && layer._containsPoint(point)) {
+ candidateHoveredLayer = layer;
+ }
+ }
+
+ if (candidateHoveredLayer !== this._hoveredLayer) {
+ this._handleMouseOut(e);
+
+ if (candidateHoveredLayer) {
+ addClass(this._container, 'leaflet-interactive'); // change cursor
+ this._fireEvent([candidateHoveredLayer], e, 'mouseover');
+ this._hoveredLayer = candidateHoveredLayer;
+ }
+ }
+
+ if (this._hoveredLayer) {
+ this._fireEvent([this._hoveredLayer], e);
+ }
+ },
+
+ _fireEvent: function (layers, e, type) {
+ this._map._fireDOMEvent(e, type || e.type, layers);
+ },
+
+ _bringToFront: function (layer) {
+ var order = layer._order;
+
+ if (!order) { return; }
+
+ var next = order.next;
+ var prev = order.prev;
+
+ if (next) {
+ next.prev = prev;
+ } else {
+ // Already last
+ return;
+ }
+ if (prev) {
+ prev.next = next;
+ } else if (next) {
+ // Update first entry unless this is the
+ // single entry
+ this._drawFirst = next;
+ }
+
+ order.prev = this._drawLast;
+ this._drawLast.next = order;
+
+ order.next = null;
+ this._drawLast = order;
+
+ this._requestRedraw(layer);
+ },
+
+ _bringToBack: function (layer) {
+ var order = layer._order;
+
+ if (!order) { return; }
+
+ var next = order.next;
+ var prev = order.prev;
+
+ if (prev) {
+ prev.next = next;
+ } else {
+ // Already first
+ return;
+ }
+ if (next) {
+ next.prev = prev;
+ } else if (prev) {
+ // Update last entry unless this is the
+ // single entry
+ this._drawLast = prev;
+ }
+
+ order.prev = null;
+
+ order.next = this._drawFirst;
+ this._drawFirst.prev = order;
+ this._drawFirst = order;
+
+ this._requestRedraw(layer);
+ }
+ });
+
+// @factory L.canvas(options?: Renderer options)
+// Creates a Canvas renderer with the given options.
+ function canvas$1(options) {
+ return canvas ? new Canvas(options) : null;
+ }
+
+ /*
+ * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
+ */
+
+
+ var vmlCreate = (function () {
+ try {
+ document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
+ return function (name) {
+ return document.createElement('');
+ };
+ } catch (e) {
+ return function (name) {
+ return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
+ };
+ }
+ })();
+
+
+ /*
+ * @class SVG
+ *
+ *
+ * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility
+ * with old versions of Internet Explorer.
+ */
+
+// mixin to redefine some SVG methods to handle VML syntax which is similar but with some differences
+ var vmlMixin = {
+
+ _initContainer: function () {
+ this._container = create$1('div', 'leaflet-vml-container');
+ },
+
+ _update: function () {
+ if (this._map._animatingZoom) { return; }
+ Renderer.prototype._update.call(this);
+ this.fire('update');
+ },
+
+ _initPath: function (layer) {
+ var container = layer._container = vmlCreate('shape');
+
+ addClass(container, 'leaflet-vml-shape ' + (this.options.className || ''));
+
+ container.coordsize = '1 1';
+
+ layer._path = vmlCreate('path');
+ container.appendChild(layer._path);
+
+ this._updateStyle(layer);
+ this._layers[stamp(layer)] = layer;
+ },
+
+ _addPath: function (layer) {
+ var container = layer._container;
+ this._container.appendChild(container);
+
+ if (layer.options.interactive) {
+ layer.addInteractiveTarget(container);
+ }
+ },
+
+ _removePath: function (layer) {
+ var container = layer._container;
+ remove(container);
+ layer.removeInteractiveTarget(container);
+ delete this._layers[stamp(layer)];
+ },
+
+ _updateStyle: function (layer) {
+ var stroke = layer._stroke,
+ fill = layer._fill,
+ options = layer.options,
+ container = layer._container;
+
+ container.stroked = !!options.stroke;
+ container.filled = !!options.fill;
+
+ if (options.stroke) {
+ if (!stroke) {
+ stroke = layer._stroke = vmlCreate('stroke');
+ }
+ container.appendChild(stroke);
+ stroke.weight = options.weight + 'px';
+ stroke.color = options.color;
+ stroke.opacity = options.opacity;
+
+ if (options.dashArray) {
+ stroke.dashStyle = isArray(options.dashArray) ?
+ options.dashArray.join(' ') :
+ options.dashArray.replace(/( *, *)/g, ' ');
+ } else {
+ stroke.dashStyle = '';
+ }
+ stroke.endcap = options.lineCap.replace('butt', 'flat');
+ stroke.joinstyle = options.lineJoin;
+
+ } else if (stroke) {
+ container.removeChild(stroke);
+ layer._stroke = null;
+ }
+
+ if (options.fill) {
+ if (!fill) {
+ fill = layer._fill = vmlCreate('fill');
+ }
+ container.appendChild(fill);
+ fill.color = options.fillColor || options.color;
+ fill.opacity = options.fillOpacity;
+
+ } else if (fill) {
+ container.removeChild(fill);
+ layer._fill = null;
+ }
+ },
+
+ _updateCircle: function (layer) {
+ var p = layer._point.round(),
+ r = Math.round(layer._radius),
+ r2 = Math.round(layer._radiusY || r);
+
+ this._setPath(layer, layer._empty() ? 'M0 0' :
+ 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360));
+ },
+
+ _setPath: function (layer, path) {
+ layer._path.v = path;
+ },
+
+ _bringToFront: function (layer) {
+ toFront(layer._container);
+ },
+
+ _bringToBack: function (layer) {
+ toBack(layer._container);
+ }
+ };
+
+ var create$2 = vml ? vmlCreate : svgCreate;
+
+ /*
+ * @class SVG
+ * @inherits Renderer
+ * @aka L.SVG
+ *
+ * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG).
+ * Inherits `Renderer`.
+ *
+ * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not
+ * available in all web browsers, notably Android 2.x and 3.x.
+ *
+ * Although SVG is not available on IE7 and IE8, these browsers support
+ * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language)
+ * (a now deprecated technology), and the SVG renderer will fall back to VML in
+ * this case.
+ *
+ * @example
+ *
+ * Use SVG by default for all paths in the map:
+ *
+ * ```js
+ * var map = L.map('map', {
+ * renderer: L.svg()
+ * });
+ * ```
+ *
+ * Use a SVG renderer with extra padding for specific vector geometries:
+ *
+ * ```js
+ * var map = L.map('map');
+ * var myRenderer = L.svg({ padding: 0.5 });
+ * var line = L.polyline( coordinates, { renderer: myRenderer } );
+ * var circle = L.circle( center, { renderer: myRenderer } );
+ * ```
+ */
+
+ var SVG = Renderer.extend({
+
+ getEvents: function () {
+ var events = Renderer.prototype.getEvents.call(this);
+ events.zoomstart = this._onZoomStart;
+ return events;
+ },
+
+ _initContainer: function () {
+ this._container = create$2('svg');
+
+ // makes it possible to click through svg root; we'll reset it back in individual paths
+ this._container.setAttribute('pointer-events', 'none');
+
+ this._rootGroup = create$2('g');
+ this._container.appendChild(this._rootGroup);
+ },
+
+ _destroyContainer: function () {
+ remove(this._container);
+ off(this._container);
+ delete this._container;
+ delete this._rootGroup;
+ delete this._svgSize;
+ },
+
+ _onZoomStart: function () {
+ // Drag-then-pinch interactions might mess up the center and zoom.
+ // In this case, the easiest way to prevent this is re-do the renderer
+ // bounds and padding when the zooming starts.
+ this._update();
+ },
+
+ _update: function () {
+ if (this._map._animatingZoom && this._bounds) { return; }
+
+ Renderer.prototype._update.call(this);
+
+ var b = this._bounds,
+ size = b.getSize(),
+ container = this._container;
+
+ // set size of svg-container if changed
+ if (!this._svgSize || !this._svgSize.equals(size)) {
+ this._svgSize = size;
+ container.setAttribute('width', size.x);
+ container.setAttribute('height', size.y);
+ }
+
+ // movement: update container viewBox so that we don't have to change coordinates of individual layers
+ setPosition(container, b.min);
+ container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' '));
+
+ this.fire('update');
+ },
+
+ // methods below are called by vector layers implementations
+
+ _initPath: function (layer) {
+ var path = layer._path = create$2('path');
+
+ // @namespace Path
+ // @option className: String = null
+ // Custom class name set on an element. Only for SVG renderer.
+ if (layer.options.className) {
+ addClass(path, layer.options.className);
+ }
+
+ if (layer.options.interactive) {
+ addClass(path, 'leaflet-interactive');
+ }
+
+ this._updateStyle(layer);
+ this._layers[stamp(layer)] = layer;
+ },
+
+ _addPath: function (layer) {
+ if (!this._rootGroup) { this._initContainer(); }
+ this._rootGroup.appendChild(layer._path);
+ layer.addInteractiveTarget(layer._path);
+ },
+
+ _removePath: function (layer) {
+ remove(layer._path);
+ layer.removeInteractiveTarget(layer._path);
+ delete this._layers[stamp(layer)];
+ },
+
+ _updatePath: function (layer) {
+ layer._project();
+ layer._update();
+ },
+
+ _updateStyle: function (layer) {
+ var path = layer._path,
+ options = layer.options;
+
+ if (!path) { return; }
+
+ if (options.stroke) {
+ path.setAttribute('stroke', options.color);
+ path.setAttribute('stroke-opacity', options.opacity);
+ path.setAttribute('stroke-width', options.weight);
+ path.setAttribute('stroke-linecap', options.lineCap);
+ path.setAttribute('stroke-linejoin', options.lineJoin);
+
+ if (options.dashArray) {
+ path.setAttribute('stroke-dasharray', options.dashArray);
+ } else {
+ path.removeAttribute('stroke-dasharray');
+ }
+
+ if (options.dashOffset) {
+ path.setAttribute('stroke-dashoffset', options.dashOffset);
+ } else {
+ path.removeAttribute('stroke-dashoffset');
+ }
+ } else {
+ path.setAttribute('stroke', 'none');
+ }
+
+ if (options.fill) {
+ path.setAttribute('fill', options.fillColor || options.color);
+ path.setAttribute('fill-opacity', options.fillOpacity);
+ path.setAttribute('fill-rule', options.fillRule || 'evenodd');
+ } else {
+ path.setAttribute('fill', 'none');
+ }
+ },
+
+ _updatePoly: function (layer, closed) {
+ this._setPath(layer, pointsToPath(layer._parts, closed));
+ },
+
+ _updateCircle: function (layer) {
+ var p = layer._point,
+ r = Math.max(Math.round(layer._radius), 1),
+ r2 = Math.max(Math.round(layer._radiusY), 1) || r,
+ arc = 'a' + r + ',' + r2 + ' 0 1,0 ';
+
+ // drawing a circle with two half-arcs
+ var d = layer._empty() ? 'M0 0' :
+ 'M' + (p.x - r) + ',' + p.y +
+ arc + (r * 2) + ',0 ' +
+ arc + (-r * 2) + ',0 ';
+
+ this._setPath(layer, d);
+ },
+
+ _setPath: function (layer, path) {
+ layer._path.setAttribute('d', path);
+ },
+
+ // SVG does not have the concept of zIndex so we resort to changing the DOM order of elements
+ _bringToFront: function (layer) {
+ toFront(layer._path);
+ },
+
+ _bringToBack: function (layer) {
+ toBack(layer._path);
+ }
+ });
+
+ if (vml) {
+ SVG.include(vmlMixin);
+ }
+
+// @namespace SVG
+// @factory L.svg(options?: Renderer options)
+// Creates a SVG renderer with the given options.
+ function svg$1(options) {
+ return svg || vml ? new SVG(options) : null;
+ }
+
+ Map.include({
+ // @namespace Map; @method getRenderer(layer: Path): Renderer
+ // Returns the instance of `Renderer` that should be used to render the given
+ // `Path`. It will ensure that the `renderer` options of the map and paths
+ // are respected, and that the renderers do exist on the map.
+ getRenderer: function (layer) {
+ // @namespace Path; @option renderer: Renderer
+ // Use this specific instance of `Renderer` for this path. Takes
+ // precedence over the map's [default renderer](#map-renderer).
+ var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer;
+
+ if (!renderer) {
+ renderer = this._renderer = this._createRenderer();
+ }
+
+ if (!this.hasLayer(renderer)) {
+ this.addLayer(renderer);
+ }
+ return renderer;
+ },
+
+ _getPaneRenderer: function (name) {
+ if (name === 'overlayPane' || name === undefined) {
+ return false;
+ }
+
+ var renderer = this._paneRenderers[name];
+ if (renderer === undefined) {
+ renderer = this._createRenderer({pane: name});
+ this._paneRenderers[name] = renderer;
+ }
+ return renderer;
+ },
+
+ _createRenderer: function (options) {
+ // @namespace Map; @option preferCanvas: Boolean = false
+ // Whether `Path`s should be rendered on a `Canvas` renderer.
+ // By default, all `Path`s are rendered in a `SVG` renderer.
+ return (this.options.preferCanvas && canvas$1(options)) || svg$1(options);
+ }
+ });
+
+ /*
+ * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
+ */
+
+ /*
+ * @class Rectangle
+ * @aka L.Rectangle
+ * @inherits Polygon
+ *
+ * A class for drawing rectangle overlays on a map. Extends `Polygon`.
+ *
+ * @example
+ *
+ * ```js
+ * // define rectangle geographical bounds
+ * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]];
+ *
+ * // create an orange rectangle
+ * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map);
+ *
+ * // zoom the map to the rectangle bounds
+ * map.fitBounds(bounds);
+ * ```
+ *
+ */
+
+
+ var Rectangle = Polygon.extend({
+ initialize: function (latLngBounds, options) {
+ Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
+ },
+
+ // @method setBounds(latLngBounds: LatLngBounds): this
+ // Redraws the rectangle with the passed bounds.
+ setBounds: function (latLngBounds) {
+ return this.setLatLngs(this._boundsToLatLngs(latLngBounds));
+ },
+
+ _boundsToLatLngs: function (latLngBounds) {
+ latLngBounds = toLatLngBounds(latLngBounds);
+ return [
+ latLngBounds.getSouthWest(),
+ latLngBounds.getNorthWest(),
+ latLngBounds.getNorthEast(),
+ latLngBounds.getSouthEast()
+ ];
+ }
+ });
+
+
+// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options)
+ function rectangle(latLngBounds, options) {
+ return new Rectangle(latLngBounds, options);
+ }
+
+ SVG.create = create$2;
+ SVG.pointsToPath = pointsToPath;
+
+ GeoJSON.geometryToLayer = geometryToLayer;
+ GeoJSON.coordsToLatLng = coordsToLatLng;
+ GeoJSON.coordsToLatLngs = coordsToLatLngs;
+ GeoJSON.latLngToCoords = latLngToCoords;
+ GeoJSON.latLngsToCoords = latLngsToCoords;
+ GeoJSON.getFeature = getFeature;
+ GeoJSON.asFeature = asFeature;
+
+ /*
+ * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map
+ * (zoom to a selected bounding box), enabled by default.
+ */
+
+// @namespace Map
+// @section Interaction Options
+ Map.mergeOptions({
+ // @option boxZoom: Boolean = true
+ // Whether the map can be zoomed to a rectangular area specified by
+ // dragging the mouse while pressing the shift key.
+ boxZoom: true
+ });
+
+ var BoxZoom = Handler.extend({
+ initialize: function (map) {
+ this._map = map;
+ this._container = map._container;
+ this._pane = map._panes.overlayPane;
+ this._resetStateTimeout = 0;
+ map.on('unload', this._destroy, this);
+ },
+
+ addHooks: function () {
+ on(this._container, 'mousedown', this._onMouseDown, this);
+ },
+
+ removeHooks: function () {
+ off(this._container, 'mousedown', this._onMouseDown, this);
+ },
+
+ moved: function () {
+ return this._moved;
+ },
+
+ _destroy: function () {
+ remove(this._pane);
+ delete this._pane;
+ },
+
+ _resetState: function () {
+ this._resetStateTimeout = 0;
+ this._moved = false;
+ },
+
+ _clearDeferredResetState: function () {
+ if (this._resetStateTimeout !== 0) {
+ clearTimeout(this._resetStateTimeout);
+ this._resetStateTimeout = 0;
+ }
+ },
+
+ _onMouseDown: function (e) {
+ if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
+
+ // Clear the deferred resetState if it hasn't executed yet, otherwise it
+ // will interrupt the interaction and orphan a box element in the container.
+ this._clearDeferredResetState();
+ this._resetState();
+
+ disableTextSelection();
+ disableImageDrag();
+
+ this._startPoint = this._map.mouseEventToContainerPoint(e);
+
+ on(document, {
+ contextmenu: stop,
+ mousemove: this._onMouseMove,
+ mouseup: this._onMouseUp,
+ keydown: this._onKeyDown
+ }, this);
+ },
+
+ _onMouseMove: function (e) {
+ if (!this._moved) {
+ this._moved = true;
+
+ this._box = create$1('div', 'leaflet-zoom-box', this._container);
+ addClass(this._container, 'leaflet-crosshair');
+
+ this._map.fire('boxzoomstart');
+ }
+
+ this._point = this._map.mouseEventToContainerPoint(e);
+
+ var bounds = new Bounds(this._point, this._startPoint),
+ size = bounds.getSize();
+
+ setPosition(this._box, bounds.min);
+
+ this._box.style.width = size.x + 'px';
+ this._box.style.height = size.y + 'px';
+ },
+
+ _finish: function () {
+ if (this._moved) {
+ remove(this._box);
+ removeClass(this._container, 'leaflet-crosshair');
+ }
+
+ enableTextSelection();
+ enableImageDrag();
+
+ off(document, {
+ contextmenu: stop,
+ mousemove: this._onMouseMove,
+ mouseup: this._onMouseUp,
+ keydown: this._onKeyDown
+ }, this);
+ },
+
+ _onMouseUp: function (e) {
+ if ((e.which !== 1) && (e.button !== 1)) { return; }
+
+ this._finish();
+
+ if (!this._moved) { return; }
+ // Postpone to next JS tick so internal click event handling
+ // still see it as "moved".
+ this._clearDeferredResetState();
+ this._resetStateTimeout = setTimeout(bind(this._resetState, this), 0);
+
+ var bounds = new LatLngBounds(
+ this._map.containerPointToLatLng(this._startPoint),
+ this._map.containerPointToLatLng(this._point));
+
+ this._map
+ .fitBounds(bounds)
+ .fire('boxzoomend', {boxZoomBounds: bounds});
+ },
+
+ _onKeyDown: function (e) {
+ if (e.keyCode === 27) {
+ this._finish();
+ }
+ }
+ });
+
+// @section Handlers
+// @property boxZoom: Handler
+// Box (shift-drag with mouse) zoom handler.
+ Map.addInitHook('addHandler', 'boxZoom', BoxZoom);
+
+ /*
+ * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
+ */
+
+// @namespace Map
+// @section Interaction Options
+
+ Map.mergeOptions({
+ // @option doubleClickZoom: Boolean|String = true
+ // Whether the map can be zoomed in by double clicking on it and
+ // zoomed out by double clicking while holding shift. If passed
+ // `'center'`, double-click zoom will zoom to the center of the
+ // view regardless of where the mouse was.
+ doubleClickZoom: true
+ });
+
+ var DoubleClickZoom = Handler.extend({
+ addHooks: function () {
+ this._map.on('dblclick', this._onDoubleClick, this);
+ },
+
+ removeHooks: function () {
+ this._map.off('dblclick', this._onDoubleClick, this);
+ },
+
+ _onDoubleClick: function (e) {
+ var map = this._map,
+ oldZoom = map.getZoom(),
+ delta = map.options.zoomDelta,
+ zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta;
+
+ if (map.options.doubleClickZoom === 'center') {
+ map.setZoom(zoom);
+ } else {
+ map.setZoomAround(e.containerPoint, zoom);
+ }
+ }
+ });
+
+// @section Handlers
+//
+// Map properties include interaction handlers that allow you to control
+// interaction behavior in runtime, enabling or disabling certain features such
+// as dragging or touch zoom (see `Handler` methods). For example:
+//
+// ```js
+// map.doubleClickZoom.disable();
+// ```
+//
+// @property doubleClickZoom: Handler
+// Double click zoom handler.
+ Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom);
+
+ /*
+ * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
+ */
+
+// @namespace Map
+// @section Interaction Options
+ Map.mergeOptions({
+ // @option dragging: Boolean = true
+ // Whether the map be draggable with mouse/touch or not.
+ dragging: true,
+
+ // @section Panning Inertia Options
+ // @option inertia: Boolean = *
+ // If enabled, panning of the map will have an inertia effect where
+ // the map builds momentum while dragging and continues moving in
+ // the same direction for some time. Feels especially nice on touch
+ // devices. Enabled by default unless running on old Android devices.
+ inertia: !android23,
+
+ // @option inertiaDeceleration: Number = 3000
+ // The rate with which the inertial movement slows down, in pixels/second².
+ inertiaDeceleration: 3400, // px/s^2
+
+ // @option inertiaMaxSpeed: Number = Infinity
+ // Max speed of the inertial movement, in pixels/second.
+ inertiaMaxSpeed: Infinity, // px/s
+
+ // @option easeLinearity: Number = 0.2
+ easeLinearity: 0.2,
+
+ // TODO refactor, move to CRS
+ // @option worldCopyJump: Boolean = false
+ // With this option enabled, the map tracks when you pan to another "copy"
+ // of the world and seamlessly jumps to the original one so that all overlays
+ // like markers and vector layers are still visible.
+ worldCopyJump: false,
+
+ // @option maxBoundsViscosity: Number = 0.0
+ // If `maxBounds` is set, this option will control how solid the bounds
+ // are when dragging the map around. The default value of `0.0` allows the
+ // user to drag outside the bounds at normal speed, higher values will
+ // slow down map dragging outside bounds, and `1.0` makes the bounds fully
+ // solid, preventing the user from dragging outside the bounds.
+ maxBoundsViscosity: 0.0
+ });
+
+ var Drag = Handler.extend({
+ addHooks: function () {
+ if (!this._draggable) {
+ var map = this._map;
+
+ this._draggable = new Draggable(map._mapPane, map._container);
+
+ this._draggable.on({
+ dragstart: this._onDragStart,
+ drag: this._onDrag,
+ dragend: this._onDragEnd
+ }, this);
+
+ this._draggable.on('predrag', this._onPreDragLimit, this);
+ if (map.options.worldCopyJump) {
+ this._draggable.on('predrag', this._onPreDragWrap, this);
+ map.on('zoomend', this._onZoomEnd, this);
+
+ map.whenReady(this._onZoomEnd, this);
+ }
+ }
+ addClass(this._map._container, 'leaflet-grab leaflet-touch-drag');
+ this._draggable.enable();
+ this._positions = [];
+ this._times = [];
+ },
+
+ removeHooks: function () {
+ removeClass(this._map._container, 'leaflet-grab');
+ removeClass(this._map._container, 'leaflet-touch-drag');
+ this._draggable.disable();
+ },
+
+ moved: function () {
+ return this._draggable && this._draggable._moved;
+ },
+
+ moving: function () {
+ return this._draggable && this._draggable._moving;
+ },
+
+ _onDragStart: function () {
+ var map = this._map;
+
+ map._stop();
+ if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) {
+ var bounds = toLatLngBounds(this._map.options.maxBounds);
+
+ this._offsetLimit = toBounds(
+ this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1),
+ this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1)
+ .add(this._map.getSize()));
+
+ this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity));
+ } else {
+ this._offsetLimit = null;
+ }
+
+ map
+ .fire('movestart')
+ .fire('dragstart');
+
+ if (map.options.inertia) {
+ this._positions = [];
+ this._times = [];
+ }
+ },
+
+ _onDrag: function (e) {
+ if (this._map.options.inertia) {
+ var time = this._lastTime = +new Date(),
+ pos = this._lastPos = this._draggable._absPos || this._draggable._newPos;
+
+ this._positions.push(pos);
+ this._times.push(time);
+
+ this._prunePositions(time);
+ }
+
+ this._map
+ .fire('move', e)
+ .fire('drag', e);
+ },
+
+ _prunePositions: function (time) {
+ while (this._positions.length > 1 && time - this._times[0] > 50) {
+ this._positions.shift();
+ this._times.shift();
+ }
+ },
+
+ _onZoomEnd: function () {
+ var pxCenter = this._map.getSize().divideBy(2),
+ pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);
+
+ this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
+ this._worldWidth = this._map.getPixelWorldBounds().getSize().x;
+ },
+
+ _viscousLimit: function (value, threshold) {
+ return value - (value - threshold) * this._viscosity;
+ },
+
+ _onPreDragLimit: function () {
+ if (!this._viscosity || !this._offsetLimit) { return; }
+
+ var offset = this._draggable._newPos.subtract(this._draggable._startPos);
+
+ var limit = this._offsetLimit;
+ if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); }
+ if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); }
+ if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); }
+ if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); }
+
+ this._draggable._newPos = this._draggable._startPos.add(offset);
+ },
+
+ _onPreDragWrap: function () {
+ // TODO refactor to be able to adjust map pane position after zoom
+ var worldWidth = this._worldWidth,
+ halfWidth = Math.round(worldWidth / 2),
+ dx = this._initialWorldOffset,
+ x = this._draggable._newPos.x,
+ newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx,
+ newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx,
+ newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;
+
+ this._draggable._absPos = this._draggable._newPos.clone();
+ this._draggable._newPos.x = newX;
+ },
+
+ _onDragEnd: function (e) {
+ var map = this._map,
+ options = map.options,
+
+ noInertia = !options.inertia || this._times.length < 2;
+
+ map.fire('dragend', e);
+
+ if (noInertia) {
+ map.fire('moveend');
+
+ } else {
+ this._prunePositions(+new Date());
+
+ var direction = this._lastPos.subtract(this._positions[0]),
+ duration = (this._lastTime - this._times[0]) / 1000,
+ ease = options.easeLinearity,
+
+ speedVector = direction.multiplyBy(ease / duration),
+ speed = speedVector.distanceTo([0, 0]),
+
+ limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
+ limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
+
+ decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
+ offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
+
+ if (!offset.x && !offset.y) {
+ map.fire('moveend');
+
+ } else {
+ offset = map._limitOffset(offset, map.options.maxBounds);
+
+ requestAnimFrame(function () {
+ map.panBy(offset, {
+ duration: decelerationDuration,
+ easeLinearity: ease,
+ noMoveStart: true,
+ animate: true
+ });
+ });
+ }
+ }
+ }
+ });
+
+// @section Handlers
+// @property dragging: Handler
+// Map dragging handler (by both mouse and touch).
+ Map.addInitHook('addHandler', 'dragging', Drag);
+
+ /*
+ * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
+ */
+
+// @namespace Map
+// @section Keyboard Navigation Options
+ Map.mergeOptions({
+ // @option keyboard: Boolean = true
+ // Makes the map focusable and allows users to navigate the map with keyboard
+ // arrows and `+`/`-` keys.
+ keyboard: true,
+
+ // @option keyboardPanDelta: Number = 80
+ // Amount of pixels to pan when pressing an arrow key.
+ keyboardPanDelta: 80
+ });
+
+ var Keyboard = Handler.extend({
+
+ keyCodes: {
+ left: [37],
+ right: [39],
+ down: [40],
+ up: [38],
+ zoomIn: [187, 107, 61, 171],
+ zoomOut: [189, 109, 54, 173]
+ },
+
+ initialize: function (map) {
+ this._map = map;
+
+ this._setPanDelta(map.options.keyboardPanDelta);
+ this._setZoomDelta(map.options.zoomDelta);
+ },
+
+ addHooks: function () {
+ var container = this._map._container;
+
+ // make the container focusable by tabbing
+ if (container.tabIndex <= 0) {
+ container.tabIndex = '0';
+ }
+
+ on(container, {
+ focus: this._onFocus,
+ blur: this._onBlur,
+ mousedown: this._onMouseDown
+ }, this);
+
+ this._map.on({
+ focus: this._addHooks,
+ blur: this._removeHooks
+ }, this);
+ },
+
+ removeHooks: function () {
+ this._removeHooks();
+
+ off(this._map._container, {
+ focus: this._onFocus,
+ blur: this._onBlur,
+ mousedown: this._onMouseDown
+ }, this);
+
+ this._map.off({
+ focus: this._addHooks,
+ blur: this._removeHooks
+ }, this);
+ },
+
+ _onMouseDown: function () {
+ if (this._focused) { return; }
+
+ var body = document.body,
+ docEl = document.documentElement,
+ top = body.scrollTop || docEl.scrollTop,
+ left = body.scrollLeft || docEl.scrollLeft;
+
+ this._map._container.focus();
+
+ window.scrollTo(left, top);
+ },
+
+ _onFocus: function () {
+ this._focused = true;
+ this._map.fire('focus');
+ },
+
+ _onBlur: function () {
+ this._focused = false;
+ this._map.fire('blur');
+ },
+
+ _setPanDelta: function (panDelta) {
+ var keys = this._panKeys = {},
+ codes = this.keyCodes,
+ i, len;
+
+ for (i = 0, len = codes.left.length; i < len; i++) {
+ keys[codes.left[i]] = [-1 * panDelta, 0];
+ }
+ for (i = 0, len = codes.right.length; i < len; i++) {
+ keys[codes.right[i]] = [panDelta, 0];
+ }
+ for (i = 0, len = codes.down.length; i < len; i++) {
+ keys[codes.down[i]] = [0, panDelta];
+ }
+ for (i = 0, len = codes.up.length; i < len; i++) {
+ keys[codes.up[i]] = [0, -1 * panDelta];
+ }
+ },
+
+ _setZoomDelta: function (zoomDelta) {
+ var keys = this._zoomKeys = {},
+ codes = this.keyCodes,
+ i, len;
+
+ for (i = 0, len = codes.zoomIn.length; i < len; i++) {
+ keys[codes.zoomIn[i]] = zoomDelta;
+ }
+ for (i = 0, len = codes.zoomOut.length; i < len; i++) {
+ keys[codes.zoomOut[i]] = -zoomDelta;
+ }
+ },
+
+ _addHooks: function () {
+ on(document, 'keydown', this._onKeyDown, this);
+ },
+
+ _removeHooks: function () {
+ off(document, 'keydown', this._onKeyDown, this);
+ },
+
+ _onKeyDown: function (e) {
+ if (e.altKey || e.ctrlKey || e.metaKey) { return; }
+
+ var key = e.keyCode,
+ map = this._map,
+ offset;
+
+ if (key in this._panKeys) {
+ if (!map._panAnim || !map._panAnim._inProgress) {
+ offset = this._panKeys[key];
+ if (e.shiftKey) {
+ offset = toPoint(offset).multiplyBy(3);
+ }
+
+ map.panBy(offset);
+
+ if (map.options.maxBounds) {
+ map.panInsideBounds(map.options.maxBounds);
+ }
+ }
+ } else if (key in this._zoomKeys) {
+ map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]);
+
+ } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) {
+ map.closePopup();
+
+ } else {
+ return;
+ }
+
+ stop(e);
+ }
+ });
+
+// @section Handlers
+// @section Handlers
+// @property keyboard: Handler
+// Keyboard navigation handler.
+ Map.addInitHook('addHandler', 'keyboard', Keyboard);
+
+ /*
+ * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
+ */
+
+// @namespace Map
+// @section Interaction Options
+ Map.mergeOptions({
+ // @section Mousewheel options
+ // @option scrollWheelZoom: Boolean|String = true
+ // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`,
+ // it will zoom to the center of the view regardless of where the mouse was.
+ scrollWheelZoom: true,
+
+ // @option wheelDebounceTime: Number = 40
+ // Limits the rate at which a wheel can fire (in milliseconds). By default
+ // user can't zoom via wheel more often than once per 40 ms.
+ wheelDebounceTime: 40,
+
+ // @option wheelPxPerZoomLevel: Number = 60
+ // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta))
+ // mean a change of one full zoom level. Smaller values will make wheel-zooming
+ // faster (and vice versa).
+ wheelPxPerZoomLevel: 60
+ });
+
+ var ScrollWheelZoom = Handler.extend({
+ addHooks: function () {
+ on(this._map._container, 'mousewheel', this._onWheelScroll, this);
+
+ this._delta = 0;
+ },
+
+ removeHooks: function () {
+ off(this._map._container, 'mousewheel', this._onWheelScroll, this);
+ },
+
+ _onWheelScroll: function (e) {
+ var delta = getWheelDelta(e);
+
+ var debounce = this._map.options.wheelDebounceTime;
+
+ this._delta += delta;
+ this._lastMousePos = this._map.mouseEventToContainerPoint(e);
+
+ if (!this._startTime) {
+ this._startTime = +new Date();
+ }
+
+ var left = Math.max(debounce - (+new Date() - this._startTime), 0);
+
+ clearTimeout(this._timer);
+ this._timer = setTimeout(bind(this._performZoom, this), left);
+
+ stop(e);
+ },
+
+ _performZoom: function () {
+ var map = this._map,
+ zoom = map.getZoom(),
+ snap = this._map.options.zoomSnap || 0;
+
+ map._stop(); // stop panning and fly animations if any
+
+ // map the delta with a sigmoid function to -4..4 range leaning on -1..1
+ var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4),
+ d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2,
+ d4 = snap ? Math.ceil(d3 / snap) * snap : d3,
+ delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom;
+
+ this._delta = 0;
+ this._startTime = null;
+
+ if (!delta) { return; }
+
+ if (map.options.scrollWheelZoom === 'center') {
+ map.setZoom(zoom + delta);
+ } else {
+ map.setZoomAround(this._lastMousePos, zoom + delta);
+ }
+ }
+ });
+
+// @section Handlers
+// @property scrollWheelZoom: Handler
+// Scroll wheel zoom handler.
+ Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom);
+
+ /*
+ * L.Map.Tap is used to enable mobile hacks like quick taps and long hold.
+ */
+
+// @namespace Map
+// @section Interaction Options
+ Map.mergeOptions({
+ // @section Touch interaction options
+ // @option tap: Boolean = true
+ // Enables mobile hacks for supporting instant taps (fixing 200ms click
+ // delay on iOS/Android) and touch holds (fired as `contextmenu` events).
+ tap: true,
+
+ // @option tapTolerance: Number = 15
+ // The max number of pixels a user can shift his finger during touch
+ // for it to be considered a valid tap.
+ tapTolerance: 15
+ });
+
+ var Tap = Handler.extend({
+ addHooks: function () {
+ on(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ removeHooks: function () {
+ off(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ _onDown: function (e) {
+ if (!e.touches) { return; }
+
+ preventDefault(e);
+
+ this._fireClick = true;
+
+ // don't simulate click or track longpress if more than 1 touch
+ if (e.touches.length > 1) {
+ this._fireClick = false;
+ clearTimeout(this._holdTimeout);
+ return;
+ }
+
+ var first = e.touches[0],
+ el = first.target;
+
+ this._startPos = this._newPos = new Point(first.clientX, first.clientY);
+
+ // if touching a link, highlight it
+ if (el.tagName && el.tagName.toLowerCase() === 'a') {
+ addClass(el, 'leaflet-active');
+ }
+
+ // simulate long hold but setting a timeout
+ this._holdTimeout = setTimeout(bind(function () {
+ if (this._isTapValid()) {
+ this._fireClick = false;
+ this._onUp();
+ this._simulateEvent('contextmenu', first);
+ }
+ }, this), 1000);
+
+ this._simulateEvent('mousedown', first);
+
+ on(document, {
+ touchmove: this._onMove,
+ touchend: this._onUp
+ }, this);
+ },
+
+ _onUp: function (e) {
+ clearTimeout(this._holdTimeout);
+
+ off(document, {
+ touchmove: this._onMove,
+ touchend: this._onUp
+ }, this);
+
+ if (this._fireClick && e && e.changedTouches) {
+
+ var first = e.changedTouches[0],
+ el = first.target;
+
+ if (el && el.tagName && el.tagName.toLowerCase() === 'a') {
+ removeClass(el, 'leaflet-active');
+ }
+
+ this._simulateEvent('mouseup', first);
+
+ // simulate click if the touch didn't move too much
+ if (this._isTapValid()) {
+ this._simulateEvent('click', first);
+ }
+ }
+ },
+
+ _isTapValid: function () {
+ return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance;
+ },
+
+ _onMove: function (e) {
+ var first = e.touches[0];
+ this._newPos = new Point(first.clientX, first.clientY);
+ this._simulateEvent('mousemove', first);
+ },
+
+ _simulateEvent: function (type, e) {
+ var simulatedEvent = document.createEvent('MouseEvents');
+
+ simulatedEvent._simulated = true;
+ e.target._simulatedClick = true;
+
+ simulatedEvent.initMouseEvent(
+ type, true, true, window, 1,
+ e.screenX, e.screenY,
+ e.clientX, e.clientY,
+ false, false, false, false, 0, null);
+
+ e.target.dispatchEvent(simulatedEvent);
+ }
+ });
+
+// @section Handlers
+// @property tap: Handler
+// Mobile touch hacks (quick tap and touch hold) handler.
+ if (touch && !pointer) {
+ Map.addInitHook('addHandler', 'tap', Tap);
+ }
+
+ /*
+ * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
+ */
+
+// @namespace Map
+// @section Interaction Options
+ Map.mergeOptions({
+ // @section Touch interaction options
+ // @option touchZoom: Boolean|String = *
+ // Whether the map can be zoomed by touch-dragging with two fingers. If
+ // passed `'center'`, it will zoom to the center of the view regardless of
+ // where the touch events (fingers) were. Enabled for touch-capable web
+ // browsers except for old Androids.
+ touchZoom: touch && !android23,
+
+ // @option bounceAtZoomLimits: Boolean = true
+ // Set it to false if you don't want the map to zoom beyond min/max zoom
+ // and then bounce back when pinch-zooming.
+ bounceAtZoomLimits: true
+ });
+
+ var TouchZoom = Handler.extend({
+ addHooks: function () {
+ addClass(this._map._container, 'leaflet-touch-zoom');
+ on(this._map._container, 'touchstart', this._onTouchStart, this);
+ },
+
+ removeHooks: function () {
+ removeClass(this._map._container, 'leaflet-touch-zoom');
+ off(this._map._container, 'touchstart', this._onTouchStart, this);
+ },
+
+ _onTouchStart: function (e) {
+ var map = this._map;
+ if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }
+
+ var p1 = map.mouseEventToContainerPoint(e.touches[0]),
+ p2 = map.mouseEventToContainerPoint(e.touches[1]);
+
+ this._centerPoint = map.getSize()._divideBy(2);
+ this._startLatLng = map.containerPointToLatLng(this._centerPoint);
+ if (map.options.touchZoom !== 'center') {
+ this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2));
+ }
+
+ this._startDist = p1.distanceTo(p2);
+ this._startZoom = map.getZoom();
+
+ this._moved = false;
+ this._zooming = true;
+
+ map._stop();
+
+ on(document, 'touchmove', this._onTouchMove, this);
+ on(document, 'touchend', this._onTouchEnd, this);
+
+ preventDefault(e);
+ },
+
+ _onTouchMove: function (e) {
+ if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }
+
+ var map = this._map,
+ p1 = map.mouseEventToContainerPoint(e.touches[0]),
+ p2 = map.mouseEventToContainerPoint(e.touches[1]),
+ scale = p1.distanceTo(p2) / this._startDist;
+
+ this._zoom = map.getScaleZoom(scale, this._startZoom);
+
+ if (!map.options.bounceAtZoomLimits && (
+ (this._zoom < map.getMinZoom() && scale < 1) ||
+ (this._zoom > map.getMaxZoom() && scale > 1))) {
+ this._zoom = map._limitZoom(this._zoom);
+ }
+
+ if (map.options.touchZoom === 'center') {
+ this._center = this._startLatLng;
+ if (scale === 1) { return; }
+ } else {
+ // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng
+ var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint);
+ if (scale === 1 && delta.x === 0 && delta.y === 0) { return; }
+ this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom);
+ }
+
+ if (!this._moved) {
+ map._moveStart(true, false);
+ this._moved = true;
+ }
+
+ cancelAnimFrame(this._animRequest);
+
+ var moveFn = bind(map._move, map, this._center, this._zoom, {pinch: true, round: false});
+ this._animRequest = requestAnimFrame(moveFn, this, true);
+
+ preventDefault(e);
+ },
+
+ _onTouchEnd: function () {
+ if (!this._moved || !this._zooming) {
+ this._zooming = false;
+ return;
+ }
+
+ this._zooming = false;
+ cancelAnimFrame(this._animRequest);
+
+ off(document, 'touchmove', this._onTouchMove);
+ off(document, 'touchend', this._onTouchEnd);
+
+ // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate.
+ if (this._map.options.zoomAnimation) {
+ this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap);
+ } else {
+ this._map._resetView(this._center, this._map._limitZoom(this._zoom));
+ }
+ }
+ });
+
+// @section Handlers
+// @property touchZoom: Handler
+// Touch zoom handler.
+ Map.addInitHook('addHandler', 'touchZoom', TouchZoom);
+
+ Map.BoxZoom = BoxZoom;
+ Map.DoubleClickZoom = DoubleClickZoom;
+ Map.Drag = Drag;
+ Map.Keyboard = Keyboard;
+ Map.ScrollWheelZoom = ScrollWheelZoom;
+ Map.Tap = Tap;
+ Map.TouchZoom = TouchZoom;
+
+ Object.freeze = freeze;
+
+ exports.version = version;
+ exports.Control = Control;
+ exports.control = control;
+ exports.Browser = Browser;
+ exports.Evented = Evented;
+ exports.Mixin = Mixin;
+ exports.Util = Util;
+ exports.Class = Class;
+ exports.Handler = Handler;
+ exports.extend = extend;
+ exports.bind = bind;
+ exports.stamp = stamp;
+ exports.setOptions = setOptions;
+ exports.DomEvent = DomEvent;
+ exports.DomUtil = DomUtil;
+ exports.PosAnimation = PosAnimation;
+ exports.Draggable = Draggable;
+ exports.LineUtil = LineUtil;
+ exports.PolyUtil = PolyUtil;
+ exports.Point = Point;
+ exports.point = toPoint;
+ exports.Bounds = Bounds;
+ exports.bounds = toBounds;
+ exports.Transformation = Transformation;
+ exports.transformation = toTransformation;
+ exports.Projection = index;
+ exports.LatLng = LatLng;
+ exports.latLng = toLatLng;
+ exports.LatLngBounds = LatLngBounds;
+ exports.latLngBounds = toLatLngBounds;
+ exports.CRS = CRS;
+ exports.GeoJSON = GeoJSON;
+ exports.geoJSON = geoJSON;
+ exports.geoJson = geoJson;
+ exports.Layer = Layer;
+ exports.LayerGroup = LayerGroup;
+ exports.layerGroup = layerGroup;
+ exports.FeatureGroup = FeatureGroup;
+ exports.featureGroup = featureGroup;
+ exports.ImageOverlay = ImageOverlay;
+ exports.imageOverlay = imageOverlay;
+ exports.VideoOverlay = VideoOverlay;
+ exports.videoOverlay = videoOverlay;
+ exports.DivOverlay = DivOverlay;
+ exports.Popup = Popup;
+ exports.popup = popup;
+ exports.Tooltip = Tooltip;
+ exports.tooltip = tooltip;
+ exports.Icon = Icon;
+ exports.icon = icon;
+ exports.DivIcon = DivIcon;
+ exports.divIcon = divIcon;
+ exports.Marker = Marker;
+ exports.marker = marker;
+ exports.TileLayer = TileLayer;
+ exports.tileLayer = tileLayer;
+ exports.GridLayer = GridLayer;
+ exports.gridLayer = gridLayer;
+ exports.SVG = SVG;
+ exports.svg = svg$1;
+ exports.Renderer = Renderer;
+ exports.Canvas = Canvas;
+ exports.canvas = canvas$1;
+ exports.Path = Path;
+ exports.CircleMarker = CircleMarker;
+ exports.circleMarker = circleMarker;
+ exports.Circle = Circle;
+ exports.circle = circle;
+ exports.Polyline = Polyline;
+ exports.polyline = polyline;
+ exports.Polygon = Polygon;
+ exports.polygon = polygon;
+ exports.Rectangle = Rectangle;
+ exports.rectangle = rectangle;
+ exports.Map = Map;
+ exports.map = createMap;
+
+ var oldL = window.L;
+ exports.noConflict = function() {
+ window.L = oldL;
+ return this;
+ }
+
+// Always export us to window global (see #2364)
+ window.L = exports;
+
+})));
+//# sourceMappingURL=leaflet-src.js.map
\ No newline at end of file
diff --git a/vendor/assets/javascripts/leaflet.markercluster.js b/vendor/assets/javascripts/leaflet.markercluster.js
new file mode 100755
index 0000000..67c52dc
--- /dev/null
+++ b/vendor/assets/javascripts/leaflet.markercluster.js
@@ -0,0 +1,3 @@
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e.Leaflet=e.Leaflet||{},e.Leaflet.markercluster=e.Leaflet.markercluster||{}))}(this,function(e){"use strict";var t=L.MarkerClusterGroup=L.FeatureGroup.extend({options:{maxClusterRadius:80,iconCreateFunction:null,clusterPane:L.Marker.prototype.options.pane,spiderfyOnMaxZoom:!0,showCoverageOnHover:!0,zoomToBoundsOnClick:!0,singleMarkerMode:!1,disableClusteringAtZoom:null,removeOutsideVisibleBounds:!0,animate:!0,animateAddingMarkers:!1,spiderfyDistanceMultiplier:1,spiderLegPolylineOptions:{weight:1.5,color:"#222",opacity:.5},chunkedLoading:!1,chunkInterval:200,chunkDelay:50,chunkProgress:null,polygonOptions:{}},initialize:function(e){L.Util.setOptions(this,e),this.options.iconCreateFunction||(this.options.iconCreateFunction=this._defaultIconCreateFunction),this._featureGroup=L.featureGroup(),this._featureGroup.addEventParent(this),this._nonPointGroup=L.featureGroup(),this._nonPointGroup.addEventParent(this),this._inZoomAnimation=0,this._needsClustering=[],this._needsRemoving=[],this._currentShownBounds=null,this._queue=[],this._childMarkerEventHandlers={dragstart:this._childMarkerDragStart,move:this._childMarkerMoved,dragend:this._childMarkerDragEnd};var t=L.DomUtil.TRANSITION&&this.options.animate;L.extend(this,t?this._withAnimation:this._noAnimation),this._markerCluster=t?L.MarkerCluster:L.MarkerClusterNonAnimated},addLayer:function(e){if(e instanceof L.LayerGroup)return this.addLayers([e]);if(!e.getLatLng)return this._nonPointGroup.addLayer(e),this.fire("layeradd",{layer:e}),this;if(!this._map)return this._needsClustering.push(e),this.fire("layeradd",{layer:e}),this;if(this.hasLayer(e))return this;this._unspiderfy&&this._unspiderfy(),this._addLayer(e,this._maxZoom),this.fire("layeradd",{layer:e}),this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons();var t=e,i=this._zoom;if(e.__parent)for(;t.__parent._zoom>=i;)t=t.__parent;return this._currentShownBounds.contains(t.getLatLng())&&(this.options.animateAddingMarkers?this._animationAddLayer(e,t):this._animationAddLayerNonAnimated(e,t)),this},removeLayer:function(e){return e instanceof L.LayerGroup?this.removeLayers([e]):e.getLatLng?this._map?e.__parent?(this._unspiderfy&&(this._unspiderfy(),this._unspiderfyLayer(e)),this._removeLayer(e,!0),this.fire("layerremove",{layer:e}),this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons(),e.off(this._childMarkerEventHandlers,this),this._featureGroup.hasLayer(e)&&(this._featureGroup.removeLayer(e),e.clusterShow&&e.clusterShow()),this):this:(!this._arraySplice(this._needsClustering,e)&&this.hasLayer(e)&&this._needsRemoving.push({layer:e,latlng:e._latlng}),this.fire("layerremove",{layer:e}),this):(this._nonPointGroup.removeLayer(e),this.fire("layerremove",{layer:e}),this)},addLayers:function(e,t){if(!L.Util.isArray(e))return this.addLayer(e);var i,n=this._featureGroup,r=this._nonPointGroup,s=this.options.chunkedLoading,o=this.options.chunkInterval,a=this.options.chunkProgress,h=e.length,l=0,u=!0;if(this._map){var _=(new Date).getTime(),d=L.bind(function(){for(var c=(new Date).getTime();h>l;l++){if(s&&0===l%200){var p=(new Date).getTime()-c;if(p>o)break}if(i=e[l],i instanceof L.LayerGroup)u&&(e=e.slice(),u=!1),this._extractNonGroupLayers(i,e),h=e.length;else if(i.getLatLng){if(!this.hasLayer(i)&&(this._addLayer(i,this._maxZoom),t||this.fire("layeradd",{layer:i}),i.__parent&&2===i.__parent.getChildCount())){var f=i.__parent.getAllChildMarkers(),m=f[0]===i?f[1]:f[0];n.removeLayer(m)}}else r.addLayer(i),t||this.fire("layeradd",{layer:i})}a&&a(l,h,(new Date).getTime()-_),l===h?(this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons(),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds)):setTimeout(d,this.options.chunkDelay)},this);d()}else for(var c=this._needsClustering;h>l;l++)i=e[l],i instanceof L.LayerGroup?(u&&(e=e.slice(),u=!1),this._extractNonGroupLayers(i,e),h=e.length):i.getLatLng?this.hasLayer(i)||c.push(i):r.addLayer(i);return this},removeLayers:function(e){var t,i,n=e.length,r=this._featureGroup,s=this._nonPointGroup,o=!0;if(!this._map){for(t=0;n>t;t++)i=e[t],i instanceof L.LayerGroup?(o&&(e=e.slice(),o=!1),this._extractNonGroupLayers(i,e),n=e.length):(this._arraySplice(this._needsClustering,i),s.removeLayer(i),this.hasLayer(i)&&this._needsRemoving.push({layer:i,latlng:i._latlng}),this.fire("layerremove",{layer:i}));return this}if(this._unspiderfy){this._unspiderfy();var a=e.slice(),h=n;for(t=0;h>t;t++)i=a[t],i instanceof L.LayerGroup?(this._extractNonGroupLayers(i,a),h=a.length):this._unspiderfyLayer(i)}for(t=0;n>t;t++)i=e[t],i instanceof L.LayerGroup?(o&&(e=e.slice(),o=!1),this._extractNonGroupLayers(i,e),n=e.length):i.__parent?(this._removeLayer(i,!0,!0),this.fire("layerremove",{layer:i}),r.hasLayer(i)&&(r.removeLayer(i),i.clusterShow&&i.clusterShow())):(s.removeLayer(i),this.fire("layerremove",{layer:i}));return this._topClusterLevel._recalculateBounds(),this._refreshClustersIcons(),this._topClusterLevel._recursivelyAddChildrenToMap(null,this._zoom,this._currentShownBounds),this},clearLayers:function(){return this._map||(this._needsClustering=[],this._needsRemoving=[],delete this._gridClusters,delete this._gridUnclustered),this._noanimationUnspiderfy&&this._noanimationUnspiderfy(),this._featureGroup.clearLayers(),this._nonPointGroup.clearLayers(),this.eachLayer(function(e){e.off(this._childMarkerEventHandlers,this),delete e.__parent},this),this._map&&this._generateInitialClusters(),this},getBounds:function(){var e=new L.LatLngBounds;this._topClusterLevel&&e.extend(this._topClusterLevel._bounds);for(var t=this._needsClustering.length-1;t>=0;t--)e.extend(this._needsClustering[t].getLatLng());return e.extend(this._nonPointGroup.getBounds()),e},eachLayer:function(e,t){var i,n,r,s=this._needsClustering.slice(),o=this._needsRemoving;for(this._topClusterLevel&&this._topClusterLevel.getAllChildMarkers(s),n=s.length-1;n>=0;n--){for(i=!0,r=o.length-1;r>=0;r--)if(o[r].layer===s[n]){i=!1;break}i&&e.call(t,s[n])}this._nonPointGroup.eachLayer(e,t)},getLayers:function(){var e=[];return this.eachLayer(function(t){e.push(t)}),e},getLayer:function(e){var t=null;return e=parseInt(e,10),this.eachLayer(function(i){L.stamp(i)===e&&(t=i)}),t},hasLayer:function(e){if(!e)return!1;var t,i=this._needsClustering;for(t=i.length-1;t>=0;t--)if(i[t]===e)return!0;for(i=this._needsRemoving,t=i.length-1;t>=0;t--)if(i[t].layer===e)return!1;return!(!e.__parent||e.__parent._group!==this)||this._nonPointGroup.hasLayer(e)},zoomToShowLayer:function(e,t){"function"!=typeof t&&(t=function(){});var i=function(){!e._icon&&!e.__parent._icon||this._inZoomAnimation||(this._map.off("moveend",i,this),this.off("animationend",i,this),e._icon?t():e.__parent._icon&&(this.once("spiderfied",t,this),e.__parent.spiderfy()))};e._icon&&this._map.getBounds().contains(e.getLatLng())?t():e.__parent._zoomt;t++)n=this._needsRemoving[t],n.newlatlng=n.layer._latlng,n.layer._latlng=n.latlng;for(t=0,i=this._needsRemoving.length;i>t;t++)n=this._needsRemoving[t],this._removeLayer(n.layer,!0),n.layer._latlng=n.newlatlng;this._needsRemoving=[],this._zoom=Math.round(this._map._zoom),this._currentShownBounds=this._getExpandedVisibleBounds(),this._map.on("zoomend",this._zoomEnd,this),this._map.on("moveend",this._moveEnd,this),this._spiderfierOnAdd&&this._spiderfierOnAdd(),this._bindEvents(),i=this._needsClustering,this._needsClustering=[],this.addLayers(i,!0)},onRemove:function(e){e.off("zoomend",this._zoomEnd,this),e.off("moveend",this._moveEnd,this),this._unbindEvents(),this._map._mapPane.className=this._map._mapPane.className.replace(" leaflet-cluster-anim",""),this._spiderfierOnRemove&&this._spiderfierOnRemove(),delete this._maxLat,this._hideCoverage(),this._featureGroup.remove(),this._nonPointGroup.remove(),this._featureGroup.clearLayers(),this._map=null},getVisibleParent:function(e){for(var t=e;t&&!t._icon;)t=t.__parent;return t||null},_arraySplice:function(e,t){for(var i=e.length-1;i>=0;i--)if(e[i]===t)return e.splice(i,1),!0},_removeFromGridUnclustered:function(e,t){for(var i=this._map,n=this._gridUnclustered,r=Math.floor(this._map.getMinZoom());t>=r&&n[t].removeObject(e,i.project(e.getLatLng(),t));t--);},_childMarkerDragStart:function(e){e.target.__dragStart=e.target._latlng},_childMarkerMoved:function(e){if(!this._ignoreMove&&!e.target.__dragStart){var t=e.target._popup&&e.target._popup.isOpen();this._moveChild(e.target,e.oldLatLng,e.latlng),t&&e.target.openPopup()}},_moveChild:function(e,t,i){e._latlng=t,this.removeLayer(e),e._latlng=i,this.addLayer(e)},_childMarkerDragEnd:function(e){var t=e.target.__dragStart;delete e.target.__dragStart,t&&this._moveChild(e.target,t,e.target._latlng)},_removeLayer:function(e,t,i){var n=this._gridClusters,r=this._gridUnclustered,s=this._featureGroup,o=this._map,a=Math.floor(this._map.getMinZoom());t&&this._removeFromGridUnclustered(e,this._maxZoom);var h,l=e.__parent,u=l._markers;for(this._arraySplice(u,e);l&&(l._childCount--,l._boundsNeedUpdate=!0,!(l._zoomt?"small":100>t?"medium":"large",new L.DivIcon({html:""+t+"
",className:"marker-cluster"+i,iconSize:new L.Point(40,40)})},_bindEvents:function(){var e=this._map,t=this.options.spiderfyOnMaxZoom,i=this.options.showCoverageOnHover,n=this.options.zoomToBoundsOnClick;(t||n)&&this.on("clusterclick",this._zoomOrSpiderfy,this),i&&(this.on("clustermouseover",this._showCoverage,this),this.on("clustermouseout",this._hideCoverage,this),e.on("zoomend",this._hideCoverage,this))},_zoomOrSpiderfy:function(e){for(var t=e.layer,i=t;1===i._childClusters.length;)i=i._childClusters[0];i._zoom===this._maxZoom&&i._childCount===t._childCount&&this.options.spiderfyOnMaxZoom?t.spiderfy():this.options.zoomToBoundsOnClick&&t.zoomToBounds(),e.originalEvent&&13===e.originalEvent.keyCode&&this._map._container.focus()},_showCoverage:function(e){var t=this._map;this._inZoomAnimation||(this._shownPolygon&&t.removeLayer(this._shownPolygon),e.layer.getChildCount()>2&&e.layer!==this._spiderfied&&(this._shownPolygon=new L.Polygon(e.layer.getConvexHull(),this.options.polygonOptions),t.addLayer(this._shownPolygon)))},_hideCoverage:function(){this._shownPolygon&&(this._map.removeLayer(this._shownPolygon),this._shownPolygon=null)},_unbindEvents:function(){var e=this.options.spiderfyOnMaxZoom,t=this.options.showCoverageOnHover,i=this.options.zoomToBoundsOnClick,n=this._map;(e||i)&&this.off("clusterclick",this._zoomOrSpiderfy,this),t&&(this.off("clustermouseover",this._showCoverage,this),this.off("clustermouseout",this._hideCoverage,this),n.off("zoomend",this._hideCoverage,this))},_zoomEnd:function(){this._map&&(this._mergeSplitClusters(),this._zoom=Math.round(this._map._zoom),this._currentShownBounds=this._getExpandedVisibleBounds())},_moveEnd:function(){if(!this._inZoomAnimation){var e=this._getExpandedVisibleBounds();this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,Math.floor(this._map.getMinZoom()),this._zoom,e),this._topClusterLevel._recursivelyAddChildrenToMap(null,Math.round(this._map._zoom),e),this._currentShownBounds=e}},_generateInitialClusters:function(){var e=Math.ceil(this._map.getMaxZoom()),t=Math.floor(this._map.getMinZoom()),i=this.options.maxClusterRadius,n=i;"function"!=typeof i&&(n=function(){return i}),null!==this.options.disableClusteringAtZoom&&(e=this.options.disableClusteringAtZoom-1),this._maxZoom=e,this._gridClusters={},this._gridUnclustered={};for(var r=e;r>=t;r--)this._gridClusters[r]=new L.DistanceGrid(n(r)),this._gridUnclustered[r]=new L.DistanceGrid(n(r));this._topClusterLevel=new this._markerCluster(this,t-1)},_addLayer:function(e,t){var i,n,r=this._gridClusters,s=this._gridUnclustered,o=Math.floor(this._map.getMinZoom());for(this.options.singleMarkerMode&&this._overrideMarkerIcon(e),e.on(this._childMarkerEventHandlers,this);t>=o;t--){i=this._map.project(e.getLatLng(),t);var a=r[t].getNearObject(i);if(a)return a._addChild(e),e.__parent=a,void 0;if(a=s[t].getNearObject(i)){var h=a.__parent;h&&this._removeLayer(a,!1);var l=new this._markerCluster(this,t,a,e);r[t].addObject(l,this._map.project(l._cLatLng,t)),a.__parent=l,e.__parent=l;var u=l;for(n=t-1;n>h._zoom;n--)u=new this._markerCluster(this,n,u),r[n].addObject(u,this._map.project(a.getLatLng(),n));return h._addChild(u),this._removeFromGridUnclustered(a,t),void 0}s[t].addObject(e,i)}this._topClusterLevel._addChild(e),e.__parent=this._topClusterLevel},_refreshClustersIcons:function(){this._featureGroup.eachLayer(function(e){e instanceof L.MarkerCluster&&e._iconNeedsUpdate&&e._updateIcon()})},_enqueue:function(e){this._queue.push(e),this._queueTimeout||(this._queueTimeout=setTimeout(L.bind(this._processQueue,this),300))},_processQueue:function(){for(var e=0;ee?(this._animationStart(),this._animationZoomOut(this._zoom,e)):this._moveEnd()},_getExpandedVisibleBounds:function(){return this.options.removeOutsideVisibleBounds?L.Browser.mobile?this._checkBoundsMaxLat(this._map.getBounds()):this._checkBoundsMaxLat(this._map.getBounds().pad(1)):this._mapBoundsInfinite},_checkBoundsMaxLat:function(e){var t=this._maxLat;return void 0!==t&&(e.getNorth()>=t&&(e._northEast.lat=1/0),e.getSouth()<=-t&&(e._southWest.lat=-1/0)),e},_animationAddLayerNonAnimated:function(e,t){if(t===e)this._featureGroup.addLayer(e);else if(2===t._childCount){t._addToMap();var i=t.getAllChildMarkers();this._featureGroup.removeLayer(i[0]),this._featureGroup.removeLayer(i[1])}else t._updateIcon()},_extractNonGroupLayers:function(e,t){var i,n=e.getLayers(),r=0;for(t=t||[];r=0;i--)o=h[i],n.contains(o._latlng)||r.removeLayer(o)}),this._forceLayout(),this._topClusterLevel._recursivelyBecomeVisible(n,t),r.eachLayer(function(e){e instanceof L.MarkerCluster||!e._icon||e.clusterShow()}),this._topClusterLevel._recursively(n,e,t,function(e){e._recursivelyRestoreChildPositions(t)}),this._ignoreMove=!1,this._enqueue(function(){this._topClusterLevel._recursively(n,e,s,function(e){r.removeLayer(e),e.clusterShow()}),this._animationEnd()})},_animationZoomOut:function(e,t){this._animationZoomOutSingle(this._topClusterLevel,e-1,t),this._topClusterLevel._recursivelyAddChildrenToMap(null,t,this._getExpandedVisibleBounds()),this._topClusterLevel._recursivelyRemoveChildrenFromMap(this._currentShownBounds,Math.floor(this._map.getMinZoom()),e,this._getExpandedVisibleBounds())},_animationAddLayer:function(e,t){var i=this,n=this._featureGroup;n.addLayer(e),t!==e&&(t._childCount>2?(t._updateIcon(),this._forceLayout(),this._animationStart(),e._setPos(this._map.latLngToLayerPoint(t.getLatLng())),e.clusterHide(),this._enqueue(function(){n.removeLayer(e),e.clusterShow(),i._animationEnd()})):(this._forceLayout(),i._animationStart(),i._animationZoomOutSingle(t,this._map.getMaxZoom(),this._zoom)))}},_animationZoomOutSingle:function(e,t,i){var n=this._getExpandedVisibleBounds(),r=Math.floor(this._map.getMinZoom());e._recursivelyAnimateChildrenInAndAddSelfToMap(n,r,t+1,i);var s=this;this._forceLayout(),e._recursivelyBecomeVisible(n,i),this._enqueue(function(){if(1===e._childCount){var o=e._markers[0];this._ignoreMove=!0,o.setLatLng(o.getLatLng()),this._ignoreMove=!1,o.clusterShow&&o.clusterShow()}else e._recursively(n,i,r,function(e){e._recursivelyRemoveChildrenFromMap(n,r,t+1)});s._animationEnd()})},_animationEnd:function(){this._map&&(this._map._mapPane.className=this._map._mapPane.className.replace(" leaflet-cluster-anim","")),this._inZoomAnimation--,this.fire("animationend")},_forceLayout:function(){L.Util.falseFn(document.body.offsetWidth)}}),L.markerClusterGroup=function(e){return new L.MarkerClusterGroup(e)};var i=L.MarkerCluster=L.Marker.extend({options:L.Icon.prototype.options,initialize:function(e,t,i,n){L.Marker.prototype.initialize.call(this,i?i._cLatLng||i.getLatLng():new L.LatLng(0,0),{icon:this,pane:e.options.clusterPane}),this._group=e,this._zoom=t,this._markers=[],this._childClusters=[],this._childCount=0,this._iconNeedsUpdate=!0,this._boundsNeedUpdate=!0,this._bounds=new L.LatLngBounds,i&&this._addChild(i),n&&this._addChild(n)},getAllChildMarkers:function(e,t){e=e||[];for(var i=this._childClusters.length-1;i>=0;i--)this._childClusters[i].getAllChildMarkers(e);for(var n=this._markers.length-1;n>=0;n--)t&&this._markers[n].__dragStart||e.push(this._markers[n]);return e},getChildCount:function(){return this._childCount},zoomToBounds:function(e){for(var t,i=this._childClusters.slice(),n=this._group._map,r=n.getBoundsZoom(this._bounds),s=this._zoom+1,o=n.getZoom();i.length>0&&r>s;){s++;var a=[];for(t=0;ts?this._group._map.setView(this._latlng,s):o>=r?this._group._map.setView(this._latlng,o+1):this._group._map.fitBounds(this._bounds,e)},getBounds:function(){var e=new L.LatLngBounds;return e.extend(this._bounds),e},_updateIcon:function(){this._iconNeedsUpdate=!0,this._icon&&this.setIcon(this)},createIcon:function(){return this._iconNeedsUpdate&&(this._iconObj=this._group.options.iconCreateFunction(this),this._iconNeedsUpdate=!1),this._iconObj.createIcon()},createShadow:function(){return this._iconObj.createShadow()},_addChild:function(e,t){this._iconNeedsUpdate=!0,this._boundsNeedUpdate=!0,this._setClusterCenter(e),e instanceof L.MarkerCluster?(t||(this._childClusters.push(e),e.__parent=this),this._childCount+=e._childCount):(t||this._markers.push(e),this._childCount++),this.__parent&&this.__parent._addChild(e,!0)},_setClusterCenter:function(e){this._cLatLng||(this._cLatLng=e._cLatLng||e._latlng)},_resetBounds:function(){var e=this._bounds;e._southWest&&(e._southWest.lat=1/0,e._southWest.lng=1/0),e._northEast&&(e._northEast.lat=-1/0,e._northEast.lng=-1/0)},_recalculateBounds:function(){var e,t,i,n,r=this._markers,s=this._childClusters,o=0,a=0,h=this._childCount;if(0!==h){for(this._resetBounds(),e=0;e=0;i--)n=r[i],n._icon&&(n._setPos(t),n.clusterHide())},function(e){var i,n,r=e._childClusters;for(i=r.length-1;i>=0;i--)n=r[i],n._icon&&(n._setPos(t),n.clusterHide())})},_recursivelyAnimateChildrenInAndAddSelfToMap:function(e,t,i,n){this._recursively(e,n,t,function(r){r._recursivelyAnimateChildrenIn(e,r._group._map.latLngToLayerPoint(r.getLatLng()).round(),i),r._isSingleParent()&&i-1===n?(r.clusterShow(),r._recursivelyRemoveChildrenFromMap(e,t,i)):r.clusterHide(),r._addToMap()})},_recursivelyBecomeVisible:function(e,t){this._recursively(e,this._group._map.getMinZoom(),t,null,function(e){e.clusterShow()})},_recursivelyAddChildrenToMap:function(e,t,i){this._recursively(i,this._group._map.getMinZoom()-1,t,function(n){if(t!==n._zoom)for(var r=n._markers.length-1;r>=0;r--){var s=n._markers[r];i.contains(s._latlng)&&(e&&(s._backupLatlng=s.getLatLng(),s.setLatLng(e),s.clusterHide&&s.clusterHide()),n._group._featureGroup.addLayer(s))}},function(t){t._addToMap(e)})},_recursivelyRestoreChildPositions:function(e){for(var t=this._markers.length-1;t>=0;t--){var i=this._markers[t];i._backupLatlng&&(i.setLatLng(i._backupLatlng),delete i._backupLatlng)}if(e-1===this._zoom)for(var n=this._childClusters.length-1;n>=0;n--)this._childClusters[n]._restorePosition();else for(var r=this._childClusters.length-1;r>=0;r--)this._childClusters[r]._recursivelyRestoreChildPositions(e)},_restorePosition:function(){this._backupLatlng&&(this.setLatLng(this._backupLatlng),delete this._backupLatlng)},_recursivelyRemoveChildrenFromMap:function(e,t,i,n){var r,s;this._recursively(e,t-1,i-1,function(e){for(s=e._markers.length-1;s>=0;s--)r=e._markers[s],n&&n.contains(r._latlng)||(e._group._featureGroup.removeLayer(r),r.clusterShow&&r.clusterShow())},function(e){for(s=e._childClusters.length-1;s>=0;s--)r=e._childClusters[s],n&&n.contains(r._latlng)||(e._group._featureGroup.removeLayer(r),r.clusterShow&&r.clusterShow())})},_recursively:function(e,t,i,n,r){var s,o,a=this._childClusters,h=this._zoom;if(h>=t&&(n&&n(this),r&&h===i&&r(this)),t>h||i>h)for(s=a.length-1;s>=0;s--)o=a[s],o._boundsNeedUpdate&&o._recalculateBounds(),e.intersects(o._bounds)&&o._recursively(e,t,i,n,r)},_isSingleParent:function(){return this._childClusters.length>0&&this._childClusters[0]._childCount===this._childCount}});L.Marker.include({clusterHide:function(){var e=this.options.opacity;return this.setOpacity(0),this.options.opacity=e,this},clusterShow:function(){return this.setOpacity(this.options.opacity)}}),L.DistanceGrid=function(e){this._cellSize=e,this._sqCellSize=e*e,this._grid={},this._objectPoint={}},L.DistanceGrid.prototype={addObject:function(e,t){var i=this._getCoord(t.x),n=this._getCoord(t.y),r=this._grid,s=r[n]=r[n]||{},o=s[i]=s[i]||[],a=L.Util.stamp(e);this._objectPoint[a]=t,o.push(e)},updateObject:function(e,t){this.removeObject(e),this.addObject(e,t)},removeObject:function(e,t){var i,n,r=this._getCoord(t.x),s=this._getCoord(t.y),o=this._grid,a=o[s]=o[s]||{},h=a[r]=a[r]||[];for(delete this._objectPoint[L.Util.stamp(e)],i=0,n=h.length;n>i;i++)if(h[i]===e)return h.splice(i,1),1===n&&delete a[r],!0},eachObject:function(e,t){var i,n,r,s,o,a,h,l=this._grid;for(i in l){o=l[i];for(n in o)for(a=o[n],r=0,s=a.length;s>r;r++)h=e.call(t,a[r]),h&&(r--,s--)}},getNearObject:function(e){var t,i,n,r,s,o,a,h,l=this._getCoord(e.x),u=this._getCoord(e.y),_=this._objectPoint,d=this._sqCellSize,c=null;for(t=u-1;u+1>=t;t++)if(r=this._grid[t])for(i=l-1;l+1>=i;i++)if(s=r[i])for(n=0,o=s.length;o>n;n++)a=s[n],h=this._sqDist(_[L.Util.stamp(a)],e),(d>h||d>=h&&null===c)&&(d=h,c=a);return c},_getCoord:function(e){var t=Math.floor(e/this._cellSize);return isFinite(t)?t:e},_sqDist:function(e,t){var i=t.x-e.x,n=t.y-e.y;return i*i+n*n}},function(){L.QuickHull={getDistant:function(e,t){var i=t[1].lat-t[0].lat,n=t[0].lng-t[1].lng;return n*(e.lat-t[0].lat)+i*(e.lng-t[0].lng)},findMostDistantPointFromBaseLine:function(e,t){var i,n,r,s=0,o=null,a=[];for(i=t.length-1;i>=0;i--)n=t[i],r=this.getDistant(n,e),r>0&&(a.push(n),r>s&&(s=r,o=n));return{maxPoint:o,newPoints:a}},buildConvexHull:function(e,t){var i=[],n=this.findMostDistantPointFromBaseLine(e,t);return n.maxPoint?(i=i.concat(this.buildConvexHull([e[0],n.maxPoint],n.newPoints)),i=i.concat(this.buildConvexHull([n.maxPoint,e[1]],n.newPoints))):[e[0]]},getConvexHull:function(e){var t,i=!1,n=!1,r=!1,s=!1,o=null,a=null,h=null,l=null,u=null,_=null;for(t=e.length-1;t>=0;t--){var d=e[t];(i===!1||d.lat>i)&&(o=d,i=d.lat),(n===!1||d.latr)&&(h=d,r=d.lng),(s===!1||d.lng=0;t--)e=i[t].getLatLng(),n.push(e);return L.QuickHull.getConvexHull(n)}}),L.MarkerCluster.include({_2PI:2*Math.PI,_circleFootSeparation:25,_circleStartAngle:0,_spiralFootSeparation:28,_spiralLengthStart:11,_spiralLengthFactor:5,_circleSpiralSwitchover:9,spiderfy:function(){if(this._group._spiderfied!==this&&!this._group._inZoomAnimation){var e,t=this.getAllChildMarkers(null,!0),i=this._group,n=i._map,r=n.latLngToLayerPoint(this._latlng);this._group._unspiderfy(),this._group._spiderfied=this,t.length>=this._circleSpiralSwitchover?e=this._generatePointsSpiral(t.length,r):(r.y+=10,e=this._generatePointsCircle(t.length,r)),this._animationSpiderfy(t,e)}},unspiderfy:function(e){this._group._inZoomAnimation||(this._animationUnspiderfy(e),this._group._spiderfied=null)},_generatePointsCircle:function(e,t){var i,n,r=this._group.options.spiderfyDistanceMultiplier*this._circleFootSeparation*(2+e),s=r/this._2PI,o=this._2PI/e,a=[];for(s=Math.max(s,35),a.length=e,i=0;e>i;i++)n=this._circleStartAngle+i*o,a[i]=new L.Point(t.x+s*Math.cos(n),t.y+s*Math.sin(n))._round();return a},_generatePointsSpiral:function(e,t){var i,n=this._group.options.spiderfyDistanceMultiplier,r=n*this._spiralLengthStart,s=n*this._spiralFootSeparation,o=n*this._spiralLengthFactor*this._2PI,a=0,h=[];for(h.length=e,i=e;i>=0;i--)e>i&&(h[i]=new L.Point(t.x+r*Math.cos(a),t.y+r*Math.sin(a))._round()),a+=s/r+5e-4*i,r+=o/a;return h},_noanimationUnspiderfy:function(){var e,t,i=this._group,n=i._map,r=i._featureGroup,s=this.getAllChildMarkers(null,!0);for(i._ignoreMove=!0,this.setOpacity(1),t=s.length-1;t>=0;t--)e=s[t],r.removeLayer(e),e._preSpiderfyLatlng&&(e.setLatLng(e._preSpiderfyLatlng),delete e._preSpiderfyLatlng),e.setZIndexOffset&&e.setZIndexOffset(0),e._spiderLeg&&(n.removeLayer(e._spiderLeg),delete e._spiderLeg);i.fire("unspiderfied",{cluster:this,markers:s}),i._ignoreMove=!1,i._spiderfied=null}}),L.MarkerClusterNonAnimated=L.MarkerCluster.extend({_animationSpiderfy:function(e,t){var i,n,r,s,o=this._group,a=o._map,h=o._featureGroup,l=this._group.options.spiderLegPolylineOptions;for(o._ignoreMove=!0,i=0;i=0;i--)a=u.layerPointToLatLng(t[i]),n=e[i],n._preSpiderfyLatlng=n._latlng,n.setLatLng(a),n.clusterShow&&n.clusterShow(),p&&(r=n._spiderLeg,s=r._path,s.style.strokeDashoffset=0,r.setStyle({opacity:m}));this.setOpacity(.3),l._ignoreMove=!1,setTimeout(function(){l._animationEnd(),l.fire("spiderfied",{cluster:h,markers:e})},200)},_animationUnspiderfy:function(e){var t,i,n,r,s,o,a=this,h=this._group,l=h._map,u=h._featureGroup,_=e?l._latLngToNewLayerPoint(this._latlng,e.zoom,e.center):l.latLngToLayerPoint(this._latlng),d=this.getAllChildMarkers(null,!0),c=L.Path.SVG;for(h._ignoreMove=!0,h._animationStart(),this.setOpacity(1),i=d.length-1;i>=0;i--)t=d[i],t._preSpiderfyLatlng&&(t.closePopup(),t.setLatLng(t._preSpiderfyLatlng),delete t._preSpiderfyLatlng,o=!0,t._setPos&&(t._setPos(_),o=!1),t.clusterHide&&(t.clusterHide(),o=!1),o&&u.removeLayer(t),c&&(n=t._spiderLeg,r=n._path,s=r.getTotalLength()+.1,r.style.strokeDashoffset=s,n.setStyle({opacity:0})));h._ignoreMove=!1,setTimeout(function(){var e=0;for(i=d.length-1;i>=0;i--)t=d[i],t._spiderLeg&&e++;for(i=d.length-1;i>=0;i--)t=d[i],t._spiderLeg&&(t.clusterShow&&t.clusterShow(),t.setZIndexOffset&&t.setZIndexOffset(0),e>1&&u.removeLayer(t),l.removeLayer(t._spiderLeg),delete t._spiderLeg);h._animationEnd(),h.fire("unspiderfied",{cluster:a,markers:d})},200)}}),L.MarkerClusterGroup.include({_spiderfied:null,unspiderfy:function(){this._unspiderfy.apply(this,arguments)},_spiderfierOnAdd:function(){this._map.on("click",this._unspiderfyWrapper,this),this._map.options.zoomAnimation&&this._map.on("zoomstart",this._unspiderfyZoomStart,this),this._map.on("zoomend",this._noanimationUnspiderfy,this),L.Browser.touch||this._map.getRenderer(this)},_spiderfierOnRemove:function(){this._map.off("click",this._unspiderfyWrapper,this),this._map.off("zoomstart",this._unspiderfyZoomStart,this),this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._map.off("zoomend",this._noanimationUnspiderfy,this),this._noanimationUnspiderfy()
+},_unspiderfyZoomStart:function(){this._map&&this._map.on("zoomanim",this._unspiderfyZoomAnim,this)},_unspiderfyZoomAnim:function(e){L.DomUtil.hasClass(this._map._mapPane,"leaflet-touching")||(this._map.off("zoomanim",this._unspiderfyZoomAnim,this),this._unspiderfy(e))},_unspiderfyWrapper:function(){this._unspiderfy()},_unspiderfy:function(e){this._spiderfied&&this._spiderfied.unspiderfy(e)},_noanimationUnspiderfy:function(){this._spiderfied&&this._spiderfied._noanimationUnspiderfy()},_unspiderfyLayer:function(e){e._spiderLeg&&(this._featureGroup.removeLayer(e),e.clusterShow&&e.clusterShow(),e.setZIndexOffset&&e.setZIndexOffset(0),this._map.removeLayer(e._spiderLeg),delete e._spiderLeg)}}),L.MarkerClusterGroup.include({refreshClusters:function(e){return e?e instanceof L.MarkerClusterGroup?e=e._topClusterLevel.getAllChildMarkers():e instanceof L.LayerGroup?e=e._layers:e instanceof L.MarkerCluster?e=e.getAllChildMarkers():e instanceof L.Marker&&(e=[e]):e=this._topClusterLevel.getAllChildMarkers(),this._flagParentsIconsNeedUpdate(e),this._refreshClustersIcons(),this.options.singleMarkerMode&&this._refreshSingleMarkerModeMarkers(e),this},_flagParentsIconsNeedUpdate:function(e){var t,i;for(t in e)for(i=e[t].__parent;i;)i._iconNeedsUpdate=!0,i=i.__parent},_refreshSingleMarkerModeMarkers:function(e){var t,i;for(t in e)i=e[t],this.hasLayer(i)&&i.setIcon(this._overrideMarkerIcon(i))}}),L.Marker.include({refreshIconOptions:function(e,t){var i=this.options.icon;return L.setOptions(i,e),this.setIcon(i),t&&this.__parent&&this.__parent._group.refreshClusters(this),this}}),e.MarkerClusterGroup=t,e.MarkerCluster=i});
+//# sourceMappingURL=leaflet.markercluster.js.map
\ No newline at end of file
diff --git a/vendor/assets/stylesheets/MarkerCluster.Default.css b/vendor/assets/stylesheets/MarkerCluster.Default.css
new file mode 100755
index 0000000..bbc8c9f
--- /dev/null
+++ b/vendor/assets/stylesheets/MarkerCluster.Default.css
@@ -0,0 +1,60 @@
+.marker-cluster-small {
+ background-color: rgba(181, 226, 140, 0.6);
+ }
+.marker-cluster-small div {
+ background-color: rgba(110, 204, 57, 0.6);
+ }
+
+.marker-cluster-medium {
+ background-color: rgba(241, 211, 87, 0.6);
+ }
+.marker-cluster-medium div {
+ background-color: rgba(240, 194, 12, 0.6);
+ }
+
+.marker-cluster-large {
+ background-color: rgba(253, 156, 115, 0.6);
+ }
+.marker-cluster-large div {
+ background-color: rgba(241, 128, 23, 0.6);
+ }
+
+ /* IE 6-8 fallback colors */
+.leaflet-oldie .marker-cluster-small {
+ background-color: rgb(181, 226, 140);
+ }
+.leaflet-oldie .marker-cluster-small div {
+ background-color: rgb(110, 204, 57);
+ }
+
+.leaflet-oldie .marker-cluster-medium {
+ background-color: rgb(241, 211, 87);
+ }
+.leaflet-oldie .marker-cluster-medium div {
+ background-color: rgb(240, 194, 12);
+ }
+
+.leaflet-oldie .marker-cluster-large {
+ background-color: rgb(253, 156, 115);
+ }
+.leaflet-oldie .marker-cluster-large div {
+ background-color: rgb(241, 128, 23);
+}
+
+.marker-cluster {
+ background-clip: padding-box;
+ border-radius: 20px;
+ }
+.marker-cluster div {
+ width: 30px;
+ height: 30px;
+ margin-left: 5px;
+ margin-top: 5px;
+
+ text-align: center;
+ border-radius: 15px;
+ font: 12px "Helvetica Neue", Arial, Helvetica, sans-serif;
+ }
+.marker-cluster span {
+ line-height: 30px;
+ }
\ No newline at end of file
diff --git a/vendor/assets/stylesheets/MarkerCluster.css b/vendor/assets/stylesheets/MarkerCluster.css
new file mode 100755
index 0000000..c60d71b
--- /dev/null
+++ b/vendor/assets/stylesheets/MarkerCluster.css
@@ -0,0 +1,14 @@
+.leaflet-cluster-anim .leaflet-marker-icon, .leaflet-cluster-anim .leaflet-marker-shadow {
+ -webkit-transition: -webkit-transform 0.3s ease-out, opacity 0.3s ease-in;
+ -moz-transition: -moz-transform 0.3s ease-out, opacity 0.3s ease-in;
+ -o-transition: -o-transform 0.3s ease-out, opacity 0.3s ease-in;
+ transition: transform 0.3s ease-out, opacity 0.3s ease-in;
+}
+
+.leaflet-cluster-spider-leg {
+ /* stroke-dashoffset (duration and function) should match with leaflet-marker-icon transform in order to track it exactly */
+ -webkit-transition: -webkit-stroke-dashoffset 0.3s ease-out, -webkit-stroke-opacity 0.3s ease-in;
+ -moz-transition: -moz-stroke-dashoffset 0.3s ease-out, -moz-stroke-opacity 0.3s ease-in;
+ -o-transition: -o-stroke-dashoffset 0.3s ease-out, -o-stroke-opacity 0.3s ease-in;
+ transition: stroke-dashoffset 0.3s ease-out, stroke-opacity 0.3s ease-in;
+}
diff --git a/vendor/assets/stylesheets/leaflet.css b/vendor/assets/stylesheets/leaflet.css
new file mode 100755
index 0000000..582961c
--- /dev/null
+++ b/vendor/assets/stylesheets/leaflet.css
@@ -0,0 +1,635 @@
+/* required styles */
+
+.leaflet-pane,
+.leaflet-tile,
+.leaflet-marker-icon,
+.leaflet-marker-shadow,
+.leaflet-tile-container,
+.leaflet-pane > svg,
+.leaflet-pane > canvas,
+.leaflet-zoom-box,
+.leaflet-image-layer,
+.leaflet-layer {
+ position: absolute;
+ left: 0;
+ top: 0;
+ }
+.leaflet-container {
+ overflow: hidden;
+ }
+.leaflet-tile,
+.leaflet-marker-icon,
+.leaflet-marker-shadow {
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ user-select: none;
+ -webkit-user-drag: none;
+ }
+/* Safari renders non-retina tile on retina better with this, but Chrome is worse */
+.leaflet-safari .leaflet-tile {
+ image-rendering: -webkit-optimize-contrast;
+ }
+/* hack that prevents hw layers "stretching" when loading new tiles */
+.leaflet-safari .leaflet-tile-container {
+ width: 1600px;
+ height: 1600px;
+ -webkit-transform-origin: 0 0;
+ }
+.leaflet-marker-icon,
+.leaflet-marker-shadow {
+ display: block;
+ }
+/* .leaflet-container svg: reset svg max-width decleration shipped in Joomla! (joomla.org) 3.x */
+/* .leaflet-container img: map is broken in FF if you have max-width: 100% on tiles */
+.leaflet-container .leaflet-overlay-pane svg,
+.leaflet-container .leaflet-marker-pane img,
+.leaflet-container .leaflet-shadow-pane img,
+.leaflet-container .leaflet-tile-pane img,
+.leaflet-container img.leaflet-image-layer,
+.leaflet-container .leaflet-tile {
+ max-width: none !important;
+ max-height: none !important;
+ }
+
+.leaflet-container.leaflet-touch-zoom {
+ -ms-touch-action: pan-x pan-y;
+ touch-action: pan-x pan-y;
+ }
+.leaflet-container.leaflet-touch-drag {
+ -ms-touch-action: pinch-zoom;
+ /* Fallback for FF which doesn't support pinch-zoom */
+ touch-action: none;
+ touch-action: pinch-zoom;
+}
+.leaflet-container.leaflet-touch-drag.leaflet-touch-zoom {
+ -ms-touch-action: none;
+ touch-action: none;
+}
+.leaflet-container {
+ -webkit-tap-highlight-color: transparent;
+}
+.leaflet-container a {
+ -webkit-tap-highlight-color: rgba(51, 181, 229, 0.4);
+}
+.leaflet-tile {
+ filter: inherit;
+ visibility: hidden;
+ }
+.leaflet-tile-loaded {
+ visibility: inherit;
+ }
+.leaflet-zoom-box {
+ width: 0;
+ height: 0;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+ z-index: 800;
+ }
+/* workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=888319 */
+.leaflet-overlay-pane svg {
+ -moz-user-select: none;
+ }
+
+.leaflet-pane { z-index: 400; }
+
+.leaflet-tile-pane { z-index: 200; }
+.leaflet-overlay-pane { z-index: 400; }
+.leaflet-shadow-pane { z-index: 500; }
+.leaflet-marker-pane { z-index: 600; }
+.leaflet-tooltip-pane { z-index: 650; }
+.leaflet-popup-pane { z-index: 700; }
+
+.leaflet-map-pane canvas { z-index: 100; }
+.leaflet-map-pane svg { z-index: 200; }
+
+.leaflet-vml-shape {
+ width: 1px;
+ height: 1px;
+ }
+.lvml {
+ behavior: url(#default#VML);
+ display: inline-block;
+ position: absolute;
+ }
+
+
+/* control positioning */
+
+.leaflet-control {
+ position: relative;
+ z-index: 800;
+ pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
+ pointer-events: auto;
+ }
+.leaflet-top,
+.leaflet-bottom {
+ position: absolute;
+ z-index: 1000;
+ pointer-events: none;
+ }
+.leaflet-top {
+ top: 0;
+ }
+.leaflet-right {
+ right: 0;
+ }
+.leaflet-bottom {
+ bottom: 0;
+ }
+.leaflet-left {
+ left: 0;
+ }
+.leaflet-control {
+ float: left;
+ clear: both;
+ }
+.leaflet-right .leaflet-control {
+ float: right;
+ }
+.leaflet-top .leaflet-control {
+ margin-top: 10px;
+ }
+.leaflet-bottom .leaflet-control {
+ margin-bottom: 10px;
+ }
+.leaflet-left .leaflet-control {
+ margin-left: 10px;
+ }
+.leaflet-right .leaflet-control {
+ margin-right: 10px;
+ }
+
+
+/* zoom and fade animations */
+
+.leaflet-fade-anim .leaflet-tile {
+ will-change: opacity;
+ }
+.leaflet-fade-anim .leaflet-popup {
+ opacity: 0;
+ -webkit-transition: opacity 0.2s linear;
+ -moz-transition: opacity 0.2s linear;
+ transition: opacity 0.2s linear;
+ }
+.leaflet-fade-anim .leaflet-map-pane .leaflet-popup {
+ opacity: 1;
+ }
+.leaflet-zoom-animated {
+ -webkit-transform-origin: 0 0;
+ -ms-transform-origin: 0 0;
+ transform-origin: 0 0;
+ }
+.leaflet-zoom-anim .leaflet-zoom-animated {
+ will-change: transform;
+ }
+.leaflet-zoom-anim .leaflet-zoom-animated {
+ -webkit-transition: -webkit-transform 0.25s cubic-bezier(0,0,0.25,1);
+ -moz-transition: -moz-transform 0.25s cubic-bezier(0,0,0.25,1);
+ transition: transform 0.25s cubic-bezier(0,0,0.25,1);
+ }
+.leaflet-zoom-anim .leaflet-tile,
+.leaflet-pan-anim .leaflet-tile {
+ -webkit-transition: none;
+ -moz-transition: none;
+ transition: none;
+ }
+
+.leaflet-zoom-anim .leaflet-zoom-hide {
+ visibility: hidden;
+ }
+
+
+/* cursors */
+
+.leaflet-interactive {
+ cursor: pointer;
+ }
+.leaflet-grab {
+ cursor: -webkit-grab;
+ cursor: -moz-grab;
+ cursor: grab;
+ }
+.leaflet-crosshair,
+.leaflet-crosshair .leaflet-interactive {
+ cursor: crosshair;
+ }
+.leaflet-popup-pane,
+.leaflet-control {
+ cursor: auto;
+ }
+.leaflet-dragging .leaflet-grab,
+.leaflet-dragging .leaflet-grab .leaflet-interactive,
+.leaflet-dragging .leaflet-marker-draggable {
+ cursor: move;
+ cursor: -webkit-grabbing;
+ cursor: -moz-grabbing;
+ cursor: grabbing;
+ }
+
+/* marker & overlays interactivity */
+.leaflet-marker-icon,
+.leaflet-marker-shadow,
+.leaflet-image-layer,
+.leaflet-pane > svg path,
+.leaflet-tile-container {
+ pointer-events: none;
+ }
+
+.leaflet-marker-icon.leaflet-interactive,
+.leaflet-image-layer.leaflet-interactive,
+.leaflet-pane > svg path.leaflet-interactive {
+ pointer-events: visiblePainted; /* IE 9-10 doesn't have auto */
+ pointer-events: auto;
+ }
+
+/* visual tweaks */
+
+.leaflet-container {
+ background: #ddd;
+ outline: 0;
+ }
+.leaflet-container a {
+ color: #0078A8;
+ }
+.leaflet-container a.leaflet-active {
+ outline: 2px solid orange;
+ }
+.leaflet-zoom-box {
+ border: 2px dotted #38f;
+ background: rgba(255,255,255,0.5);
+ }
+
+
+/* general typography */
+.leaflet-container {
+ font: 12px/1.5 "Helvetica Neue", Arial, Helvetica, sans-serif;
+ }
+
+
+/* general toolbar styles */
+
+.leaflet-bar {
+ box-shadow: 0 1px 5px rgba(0,0,0,0.65);
+ border-radius: 4px;
+ }
+.leaflet-bar a,
+.leaflet-bar a:hover {
+ background-color: #fff;
+ border-bottom: 1px solid #ccc;
+ width: 26px;
+ height: 26px;
+ line-height: 26px;
+ display: block;
+ text-align: center;
+ text-decoration: none;
+ color: black;
+ }
+.leaflet-bar a,
+.leaflet-control-layers-toggle {
+ background-position: 50% 50%;
+ background-repeat: no-repeat;
+ display: block;
+ }
+.leaflet-bar a:hover {
+ background-color: #f4f4f4;
+ }
+.leaflet-bar a:first-child {
+ border-top-left-radius: 4px;
+ border-top-right-radius: 4px;
+ }
+.leaflet-bar a:last-child {
+ border-bottom-left-radius: 4px;
+ border-bottom-right-radius: 4px;
+ border-bottom: none;
+ }
+.leaflet-bar a.leaflet-disabled {
+ cursor: default;
+ background-color: #f4f4f4;
+ color: #bbb;
+ }
+
+.leaflet-touch .leaflet-bar a {
+ width: 30px;
+ height: 30px;
+ line-height: 30px;
+ }
+.leaflet-touch .leaflet-bar a:first-child {
+ border-top-left-radius: 2px;
+ border-top-right-radius: 2px;
+ }
+.leaflet-touch .leaflet-bar a:last-child {
+ border-bottom-left-radius: 2px;
+ border-bottom-right-radius: 2px;
+ }
+
+/* zoom control */
+
+.leaflet-control-zoom-in,
+.leaflet-control-zoom-out {
+ font: bold 18px 'Lucida Console', Monaco, monospace;
+ text-indent: 1px;
+ }
+
+.leaflet-touch .leaflet-control-zoom-in, .leaflet-touch .leaflet-control-zoom-out {
+ font-size: 22px;
+ }
+
+
+/* layers control */
+
+.leaflet-control-layers {
+ box-shadow: 0 1px 5px rgba(0,0,0,0.4);
+ background: #fff;
+ border-radius: 5px;
+ }
+.leaflet-control-layers-toggle {
+ background-image: url(layers.png);
+ width: 36px;
+ height: 36px;
+ }
+.leaflet-retina .leaflet-control-layers-toggle {
+ background-image: url(layers-2x.png);
+ background-size: 26px 26px;
+ }
+.leaflet-touch .leaflet-control-layers-toggle {
+ width: 44px;
+ height: 44px;
+ }
+.leaflet-control-layers .leaflet-control-layers-list,
+.leaflet-control-layers-expanded .leaflet-control-layers-toggle {
+ display: none;
+ }
+.leaflet-control-layers-expanded .leaflet-control-layers-list {
+ display: block;
+ position: relative;
+ }
+.leaflet-control-layers-expanded {
+ padding: 6px 10px 6px 6px;
+ color: #333;
+ background: #fff;
+ }
+.leaflet-control-layers-scrollbar {
+ overflow-y: scroll;
+ overflow-x: hidden;
+ padding-right: 5px;
+ }
+.leaflet-control-layers-selector {
+ margin-top: 2px;
+ position: relative;
+ top: 1px;
+ }
+.leaflet-control-layers label {
+ display: block;
+ }
+.leaflet-control-layers-separator {
+ height: 0;
+ border-top: 1px solid #ddd;
+ margin: 5px -10px 5px -6px;
+ }
+
+/* Default icon URLs */
+.leaflet-default-icon-path {
+ background-image: url(marker-icon.png);
+ }
+
+
+/* attribution and scale controls */
+
+.leaflet-container .leaflet-control-attribution {
+ background: #fff;
+ background: rgba(255, 255, 255, 0.7);
+ margin: 0;
+ }
+.leaflet-control-attribution,
+.leaflet-control-scale-line {
+ padding: 0 5px;
+ color: #333;
+ }
+.leaflet-control-attribution a {
+ text-decoration: none;
+ }
+.leaflet-control-attribution a:hover {
+ text-decoration: underline;
+ }
+.leaflet-container .leaflet-control-attribution,
+.leaflet-container .leaflet-control-scale {
+ font-size: 11px;
+ }
+.leaflet-left .leaflet-control-scale {
+ margin-left: 5px;
+ }
+.leaflet-bottom .leaflet-control-scale {
+ margin-bottom: 5px;
+ }
+.leaflet-control-scale-line {
+ border: 2px solid #777;
+ border-top: none;
+ line-height: 1.1;
+ padding: 2px 5px 1px;
+ font-size: 11px;
+ white-space: nowrap;
+ overflow: hidden;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+
+ background: #fff;
+ background: rgba(255, 255, 255, 0.5);
+ }
+.leaflet-control-scale-line:not(:first-child) {
+ border-top: 2px solid #777;
+ border-bottom: none;
+ margin-top: -2px;
+ }
+.leaflet-control-scale-line:not(:first-child):not(:last-child) {
+ border-bottom: 2px solid #777;
+ }
+
+.leaflet-touch .leaflet-control-attribution,
+.leaflet-touch .leaflet-control-layers,
+.leaflet-touch .leaflet-bar {
+ box-shadow: none;
+ }
+.leaflet-touch .leaflet-control-layers,
+.leaflet-touch .leaflet-bar {
+ border: 2px solid rgba(0,0,0,0.2);
+ background-clip: padding-box;
+ }
+
+
+/* popup */
+
+.leaflet-popup {
+ position: absolute;
+ text-align: center;
+ margin-bottom: 20px;
+ }
+.leaflet-popup-content-wrapper {
+ padding: 1px;
+ text-align: left;
+ border-radius: 12px;
+ }
+.leaflet-popup-content {
+ margin: 13px 19px;
+ line-height: 1.4;
+ }
+.leaflet-popup-content p {
+ margin: 18px 0;
+ }
+.leaflet-popup-tip-container {
+ width: 40px;
+ height: 20px;
+ position: absolute;
+ left: 50%;
+ margin-left: -20px;
+ overflow: hidden;
+ pointer-events: none;
+ }
+.leaflet-popup-tip {
+ width: 17px;
+ height: 17px;
+ padding: 1px;
+
+ margin: -10px auto 0;
+
+ -webkit-transform: rotate(45deg);
+ -moz-transform: rotate(45deg);
+ -ms-transform: rotate(45deg);
+ transform: rotate(45deg);
+ }
+.leaflet-popup-content-wrapper,
+.leaflet-popup-tip {
+ background: white;
+ color: #333;
+ box-shadow: 0 3px 14px rgba(0,0,0,0.4);
+ }
+.leaflet-container a.leaflet-popup-close-button {
+ position: absolute;
+ top: 0;
+ right: 0;
+ padding: 4px 4px 0 0;
+ border: none;
+ text-align: center;
+ width: 18px;
+ height: 14px;
+ font: 16px/14px Tahoma, Verdana, sans-serif;
+ color: #c3c3c3;
+ text-decoration: none;
+ font-weight: bold;
+ background: transparent;
+ }
+.leaflet-container a.leaflet-popup-close-button:hover {
+ color: #999;
+ }
+.leaflet-popup-scrolled {
+ overflow: auto;
+ border-bottom: 1px solid #ddd;
+ border-top: 1px solid #ddd;
+ }
+
+.leaflet-oldie .leaflet-popup-content-wrapper {
+ zoom: 1;
+ }
+.leaflet-oldie .leaflet-popup-tip {
+ width: 24px;
+ margin: 0 auto;
+
+ -ms-filter: "progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678)";
+ filter: progid:DXImageTransform.Microsoft.Matrix(M11=0.70710678, M12=0.70710678, M21=-0.70710678, M22=0.70710678);
+ }
+.leaflet-oldie .leaflet-popup-tip-container {
+ margin-top: -1px;
+ }
+
+.leaflet-oldie .leaflet-control-zoom,
+.leaflet-oldie .leaflet-control-layers,
+.leaflet-oldie .leaflet-popup-content-wrapper,
+.leaflet-oldie .leaflet-popup-tip {
+ border: 1px solid #999;
+ }
+
+
+/* div icon */
+
+.leaflet-div-icon {
+ background: #fff;
+ border: 1px solid #666;
+ }
+
+
+/* Tooltip */
+/* Base styles for the element that has a tooltip */
+.leaflet-tooltip {
+ position: absolute;
+ padding: 6px;
+ background-color: #fff;
+ border: 1px solid #fff;
+ border-radius: 3px;
+ color: #222;
+ white-space: nowrap;
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ -ms-user-select: none;
+ user-select: none;
+ pointer-events: none;
+ box-shadow: 0 1px 3px rgba(0,0,0,0.4);
+ }
+.leaflet-tooltip.leaflet-clickable {
+ cursor: pointer;
+ pointer-events: auto;
+ }
+.leaflet-tooltip-top:before,
+.leaflet-tooltip-bottom:before,
+.leaflet-tooltip-left:before,
+.leaflet-tooltip-right:before {
+ position: absolute;
+ pointer-events: none;
+ border: 6px solid transparent;
+ background: transparent;
+ content: "";
+ }
+
+/* Directions */
+
+.leaflet-tooltip-bottom {
+ margin-top: 6px;
+}
+.leaflet-tooltip-top {
+ margin-top: -6px;
+}
+.leaflet-tooltip-bottom:before,
+.leaflet-tooltip-top:before {
+ left: 50%;
+ margin-left: -6px;
+ }
+.leaflet-tooltip-top:before {
+ bottom: 0;
+ margin-bottom: -12px;
+ border-top-color: #fff;
+ }
+.leaflet-tooltip-bottom:before {
+ top: 0;
+ margin-top: -12px;
+ margin-left: -6px;
+ border-bottom-color: #fff;
+ }
+.leaflet-tooltip-left {
+ margin-left: -6px;
+}
+.leaflet-tooltip-right {
+ margin-left: 6px;
+}
+.leaflet-tooltip-left:before,
+.leaflet-tooltip-right:before {
+ top: 50%;
+ margin-top: -6px;
+ }
+.leaflet-tooltip-left:before {
+ right: 0;
+ margin-right: -12px;
+ border-left-color: #fff;
+ }
+.leaflet-tooltip-right:before {
+ left: 0;
+ margin-left: -12px;
+ border-right-color: #fff;
+ }