-
- (function (window, document, undefined) {
- var L = {
- version: "1.0.3"
- };
-
- function expose() {
- var oldL = window.L;
-
- L.noConflict = function () {
- window.L = oldL;
- return this;
- };
-
- window.L = L;
- }
-
-
- if (typeof module === 'object' && typeof module.exports === 'object') {
- module.exports = L;
-
-
- } else if (typeof define === 'function' && define.amd) {
- define(L);
- }
-
-
- if (typeof window !== 'undefined') {
- expose();
- }
-
-
-
-
-
- L.Util = {
-
-
-
- extend: function (dest) {
- var i, j, len, src;
-
- for (j = 1, len = arguments.length; j < len; j++) {
- src = arguments[j];
- for (i in src) {
- dest[i] = src[i];
- }
- }
- return dest;
- },
-
-
-
- create: Object.create || (function () {
- function F() {}
- return function (proto) {
- F.prototype = proto;
- return new F();
- };
- })(),
-
-
-
-
- bind: function (fn, obj) {
- var slice = Array.prototype.slice;
-
- if (fn.bind) {
- return fn.bind.apply(fn, slice.call(arguments, 1));
- }
-
- var args = slice.call(arguments, 2);
-
- return function () {
- return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments);
- };
- },
-
-
-
- stamp: function (obj) {
-
- obj._leaflet_id = obj._leaflet_id || ++L.Util.lastId;
- return obj._leaflet_id;
-
- },
-
-
-
- lastId: 0,
-
-
-
-
-
-
-
-
- throttle: function (fn, time, context) {
- var lock, args, wrapperFn, later;
-
- later = function () {
-
- lock = false;
- if (args) {
- wrapperFn.apply(context, args);
- args = false;
- }
- };
-
- wrapperFn = function () {
- if (lock) {
-
- args = arguments;
-
- } else {
-
- fn.apply(context, arguments);
- setTimeout(later, time);
- lock = true;
- }
- };
-
- return wrapperFn;
- },
-
-
-
-
-
- wrapNum: function (x, range, includeMax) {
- var max = range[1],
- min = range[0],
- d = max - min;
- return x === max && includeMax ? x : ((x - min) % d + d) % d + min;
- },
-
-
-
- falseFn: function () { return false; },
-
-
-
- formatNum: function (num, digits) {
- var pow = Math.pow(10, digits || 5);
- return Math.round(num * pow) / pow;
- },
-
-
-
- trim: function (str) {
- return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
- },
-
-
-
- splitWords: function (str) {
- return L.Util.trim(str).split(/\s+/);
- },
-
-
-
- setOptions: function (obj, options) {
- if (!obj.hasOwnProperty('options')) {
- obj.options = obj.options ? L.Util.create(obj.options) : {};
- }
- for (var i in options) {
- obj.options[i] = options[i];
- }
- return obj.options;
- },
-
-
-
-
-
-
- getParamString: function (obj, existingUrl, uppercase) {
- var params = [];
- for (var i in obj) {
- params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
- }
- return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
- },
-
-
-
-
-
-
- template: function (str, data) {
- return str.replace(L.Util.templateRe, function (str, key) {
- var value = data[key];
-
- if (value === undefined) {
- throw new Error('No value provided for variable ' + str);
-
- } else if (typeof value === 'function') {
- value = value(data);
- }
- return value;
- });
- },
-
- templateRe: /\{ *([\w_\-]+) *\}/g,
-
-
-
- isArray: Array.isArray || function (obj) {
- return (Object.prototype.toString.call(obj) === '[object Array]');
- },
-
-
-
- indexOf: function (array, el) {
- for (var i = 0; i < array.length; i++) {
- if (array[i] === el) { return i; }
- }
- return -1;
- },
-
-
-
-
-
- emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
- };
-
- (function () {
-
-
- function getPrefixed(name) {
- return window['webkit' + name] || window['moz' + name] || window['ms' + name];
- }
-
- var lastTime = 0;
-
-
- function timeoutDefer(fn) {
- var time = +new Date(),
- timeToCall = Math.max(0, 16 - (time - lastTime));
-
- lastTime = time + timeToCall;
- return window.setTimeout(fn, timeToCall);
- }
-
- var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer,
- cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') ||
- getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); };
-
-
-
-
-
-
-
-
- L.Util.requestAnimFrame = function (fn, context, immediate) {
- if (immediate && requestFn === timeoutDefer) {
- fn.call(context);
- } else {
- return requestFn.call(window, L.bind(fn, context));
- }
- };
-
-
-
- L.Util.cancelAnimFrame = function (id) {
- if (id) {
- cancelFn.call(window, id);
- }
- };
- })();
-
-
- L.extend = L.Util.extend;
- L.bind = L.Util.bind;
- L.stamp = L.Util.stamp;
- L.setOptions = L.Util.setOptions;
-
-
-
-
-
-
-
-
-
-
-
-
- L.Class = function () {};
-
- L.Class.extend = function (props) {
-
-
-
-
- var NewClass = function () {
-
-
- if (this.initialize) {
- this.initialize.apply(this, arguments);
- }
-
-
- this.callInitHooks();
- };
-
- var parentProto = NewClass.__super__ = this.prototype;
-
- var proto = L.Util.create(parentProto);
- proto.constructor = NewClass;
-
- NewClass.prototype = proto;
-
-
- for (var i in this) {
- if (this.hasOwnProperty(i) && i !== 'prototype') {
- NewClass[i] = this[i];
- }
- }
-
-
- if (props.statics) {
- L.extend(NewClass, props.statics);
- delete props.statics;
- }
-
-
- if (props.includes) {
- L.Util.extend.apply(null, [proto].concat(props.includes));
- delete props.includes;
- }
-
-
- if (proto.options) {
- props.options = L.Util.extend(L.Util.create(proto.options), props.options);
- }
-
-
- L.extend(proto, props);
-
- proto._initHooks = [];
-
-
- proto.callInitHooks = function () {
-
- if (this._initHooksCalled) { return; }
-
- if (parentProto.callInitHooks) {
- parentProto.callInitHooks.call(this);
- }
-
- this._initHooksCalled = true;
-
- for (var i = 0, len = proto._initHooks.length; i < len; i++) {
- proto._initHooks[i].call(this);
- }
- };
-
- return NewClass;
- };
-
-
-
-
- L.Class.include = function (props) {
- L.extend(this.prototype, props);
- return this;
- };
-
-
-
- L.Class.mergeOptions = function (options) {
- L.extend(this.prototype.options, options);
- return this;
- };
-
-
-
- L.Class.addInitHook = function (fn) {
- var args = Array.prototype.slice.call(arguments, 1);
-
- var init = typeof fn === 'function' ? fn : function () {
- this[fn].apply(this, args);
- };
-
- this.prototype._initHooks = this.prototype._initHooks || [];
- this.prototype._initHooks.push(init);
- return this;
- };
-
-
-
-
-
-
- L.Evented = L.Class.extend({
-
-
-
- on: function (types, fn, context) {
-
-
- if (typeof types === 'object') {
- for (var type in types) {
-
-
- this._on(type, types[type], fn);
- }
-
- } else {
-
- types = L.Util.splitWords(types);
-
- for (var i = 0, len = types.length; i < len; i++) {
- this._on(types[i], fn, context);
- }
- }
-
- return this;
- },
-
-
-
- off: function (types, fn, context) {
-
- if (!types) {
-
- delete this._events;
-
- } else if (typeof types === 'object') {
- for (var type in types) {
- this._off(type, types[type], fn);
- }
-
- } else {
- types = L.Util.splitWords(types);
-
- for (var i = 0, len = types.length; i < len; i++) {
- this._off(types[i], fn, context);
- }
- }
-
- return this;
- },
-
-
- _on: function (type, fn, context) {
- this._events = this._events || {};
-
-
- var typeListeners = this._events[type];
- if (!typeListeners) {
- typeListeners = [];
- this._events[type] = typeListeners;
- }
-
- if (context === this) {
-
- context = undefined;
- }
- var newListener = {fn: fn, ctx: context},
- listeners = typeListeners;
-
-
- for (var i = 0, len = listeners.length; i < len; i++) {
- if (listeners[i].fn === fn && listeners[i].ctx === context) {
- return;
- }
- }
-
- listeners.push(newListener);
- },
-
- _off: function (type, fn, context) {
- var listeners,
- i,
- len;
-
- if (!this._events) { return; }
-
- listeners = this._events[type];
-
- if (!listeners) {
- return;
- }
-
- if (!fn) {
-
- for (i = 0, len = listeners.length; i < len; i++) {
- listeners[i].fn = L.Util.falseFn;
- }
-
- delete this._events[type];
- return;
- }
-
- if (context === this) {
- context = undefined;
- }
-
- if (listeners) {
-
-
- for (i = 0, len = listeners.length; i < len; i++) {
- var l = listeners[i];
- if (l.ctx !== context) { continue; }
- if (l.fn === fn) {
-
-
- l.fn = L.Util.falseFn;
-
- if (this._firingCount) {
-
- this._events[type] = listeners = listeners.slice();
- }
- listeners.splice(i, 1);
-
- return;
- }
- }
- }
- },
-
-
-
-
-
- fire: function (type, data, propagate) {
- if (!this.listens(type, propagate)) { return this; }
-
- var event = L.Util.extend({}, data, {type: type, target: this});
-
- if (this._events) {
- var listeners = this._events[type];
-
- if (listeners) {
- this._firingCount = (this._firingCount + 1) || 1;
- for (var i = 0, len = listeners.length; i < len; i++) {
- var l = listeners[i];
- l.fn.call(l.ctx || this, event);
- }
-
- this._firingCount--;
- }
- }
-
- if (propagate) {
-
- this._propagateEvent(event);
- }
-
- return this;
- },
-
-
-
- listens: function (type, propagate) {
- var listeners = this._events && this._events[type];
- if (listeners && listeners.length) { return true; }
-
- if (propagate) {
-
- for (var id in this._eventParents) {
- if (this._eventParents[id].listens(type, propagate)) { return true; }
- }
- }
- return false;
- },
-
-
-
- once: function (types, fn, context) {
-
- if (typeof types === 'object') {
- for (var type in types) {
- this.once(type, types[type], fn);
- }
- return this;
- }
-
- var handler = L.bind(function () {
- this
- .off(types, fn, context)
- .off(types, handler, context);
- }, this);
-
-
- return this
- .on(types, fn, context)
- .on(types, handler, context);
- },
-
-
-
- addEventParent: function (obj) {
- this._eventParents = this._eventParents || {};
- this._eventParents[L.stamp(obj)] = obj;
- return this;
- },
-
-
-
- removeEventParent: function (obj) {
- if (this._eventParents) {
- delete this._eventParents[L.stamp(obj)];
- }
- return this;
- },
-
- _propagateEvent: function (e) {
- for (var id in this._eventParents) {
- this._eventParents[id].fire(e.type, L.extend({layer: e.target}, e), true);
- }
- }
- });
-
- var proto = L.Evented.prototype;
-
-
-
-
-
- proto.addEventListener = proto.on;
-
-
-
-
-
-
- proto.removeEventListener = proto.clearAllEventListeners = proto.off;
-
-
-
- proto.addOneTimeEventListener = proto.once;
-
-
-
- proto.fireEvent = proto.fire;
-
-
-
- proto.hasEventListeners = proto.listens;
-
- L.Mixin = {Events: proto};
-
-
-
-
-
- (function () {
-
- var ua = navigator.userAgent.toLowerCase(),
- doc = document.documentElement,
-
- ie = 'ActiveXObject' in window,
-
- webkit = ua.indexOf('webkit') !== -1,
- phantomjs = ua.indexOf('phantom') !== -1,
- android23 = ua.search('android [23]') !== -1,
- chrome = ua.indexOf('chrome') !== -1,
- gecko = ua.indexOf('gecko') !== -1 && !webkit && !window.opera && !ie,
-
- win = navigator.platform.indexOf('Win') === 0,
-
- mobile = typeof orientation !== 'undefined' || ua.indexOf('mobile') !== -1,
- msPointer = !window.PointerEvent && window.MSPointerEvent,
- pointer = window.PointerEvent || msPointer,
-
- ie3d = ie && ('transition' in doc.style),
- webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23,
- gecko3d = 'MozPerspective' in doc.style,
- opera12 = 'OTransition' in doc.style;
-
-
- var touch = !window.L_NO_TOUCH && (pointer || 'ontouchstart' in window ||
- (window.DocumentTouch && document instanceof window.DocumentTouch));
-
- L.Browser = {
-
-
-
- ie: ie,
-
-
-
- ielt9: ie && !document.addEventListener,
-
-
-
- edge: 'msLaunchUri' in navigator && !('documentMode' in document),
-
-
-
- webkit: webkit,
-
-
-
- gecko: gecko,
-
-
-
- android: ua.indexOf('android') !== -1,
-
-
-
- android23: android23,
-
-
-
- chrome: chrome,
-
-
-
- safari: !chrome && ua.indexOf('safari') !== -1,
-
-
-
-
- win: win,
-
-
-
-
- ie3d: ie3d,
-
-
-
- webkit3d: webkit3d,
-
-
-
- gecko3d: gecko3d,
-
-
-
- opera12: opera12,
-
-
-
- any3d: !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantomjs,
-
-
-
-
- mobile: mobile,
-
-
-
- mobileWebkit: mobile && webkit,
-
-
-
- mobileWebkit3d: mobile && webkit3d,
-
-
-
- mobileOpera: mobile && window.opera,
-
-
-
- mobileGecko: mobile && gecko,
-
-
-
-
-
-
-
- touch: !!touch,
-
-
-
- msPointer: !!msPointer,
-
-
-
- pointer: !!pointer,
-
-
-
-
- retina: (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1
- };
-
- }());
-
-
-
-
-
- L.Point = function (x, y, round) {
-
- this.x = (round ? Math.round(x) : x);
-
- this.y = (round ? Math.round(y) : y);
- };
-
- L.Point.prototype = {
-
-
-
- clone: function () {
- return new L.Point(this.x, this.y);
- },
-
-
-
- add: function (point) {
-
- return this.clone()._add(L.point(point));
- },
-
- _add: function (point) {
-
- this.x += point.x;
- this.y += point.y;
- return this;
- },
-
-
-
- subtract: function (point) {
- return this.clone()._subtract(L.point(point));
- },
-
- _subtract: function (point) {
- this.x -= point.x;
- this.y -= point.y;
- return this;
- },
-
-
-
- divideBy: function (num) {
- return this.clone()._divideBy(num);
- },
-
- _divideBy: function (num) {
- this.x /= num;
- this.y /= num;
- return this;
- },
-
-
-
- multiplyBy: function (num) {
- return this.clone()._multiplyBy(num);
- },
-
- _multiplyBy: function (num) {
- this.x *= num;
- this.y *= num;
- return this;
- },
-
-
-
-
-
-
- scaleBy: function (point) {
- return new L.Point(this.x * point.x, this.y * point.y);
- },
-
-
-
-
- unscaleBy: function (point) {
- return new L.Point(this.x / point.x, this.y / point.y);
- },
-
-
-
- round: function () {
- return this.clone()._round();
- },
-
- _round: function () {
- this.x = Math.round(this.x);
- this.y = Math.round(this.y);
- return this;
- },
-
-
-
- floor: function () {
- return this.clone()._floor();
- },
-
- _floor: function () {
- this.x = Math.floor(this.x);
- this.y = Math.floor(this.y);
- return this;
- },
-
-
-
- ceil: function () {
- return this.clone()._ceil();
- },
-
- _ceil: function () {
- this.x = Math.ceil(this.x);
- this.y = Math.ceil(this.y);
- return this;
- },
-
-
-
- distanceTo: function (point) {
- point = L.point(point);
-
- var x = point.x - this.x,
- y = point.y - this.y;
-
- return Math.sqrt(x * x + y * y);
- },
-
-
-
- equals: function (point) {
- point = L.point(point);
-
- return point.x === this.x &&
- point.y === this.y;
- },
-
-
-
- contains: function (point) {
- point = L.point(point);
-
- return Math.abs(point.x) <= Math.abs(this.x) &&
- Math.abs(point.y) <= Math.abs(this.y);
- },
-
-
-
- toString: function () {
- return 'Point(' +
- L.Util.formatNum(this.x) + ', ' +
- L.Util.formatNum(this.y) + ')';
- }
- };
-
-
-
-
-
-
-
-
-
-
-
- L.point = function (x, y, round) {
- if (x instanceof L.Point) {
- return x;
- }
- if (L.Util.isArray(x)) {
- return new L.Point(x[0], x[1]);
- }
- if (x === undefined || x === null) {
- return x;
- }
- if (typeof x === 'object' && 'x' in x && 'y' in x) {
- return new L.Point(x.x, x.y);
- }
- return new L.Point(x, y, round);
- };
-
-
-
-
-
- L.Bounds = function (a, b) {
- if (!a) { return; }
-
- var points = b ? [a, b] : a;
-
- for (var i = 0, len = points.length; i < len; i++) {
- this.extend(points[i]);
- }
- };
-
- L.Bounds.prototype = {
-
-
- extend: function (point) {
- point = L.point(point);
-
-
-
-
-
- if (!this.min && !this.max) {
- this.min = point.clone();
- this.max = point.clone();
- } else {
- this.min.x = Math.min(point.x, this.min.x);
- this.max.x = Math.max(point.x, this.max.x);
- this.min.y = Math.min(point.y, this.min.y);
- this.max.y = Math.max(point.y, this.max.y);
- }
- return this;
- },
-
-
-
- getCenter: function (round) {
- return new L.Point(
- (this.min.x + this.max.x) / 2,
- (this.min.y + this.max.y) / 2, round);
- },
-
-
-
- getBottomLeft: function () {
- return new L.Point(this.min.x, this.max.y);
- },
-
-
-
- getTopRight: function () {
- return new L.Point(this.max.x, this.min.y);
- },
-
-
-
- getSize: function () {
- return this.max.subtract(this.min);
- },
-
-
-
-
-
-
- contains: function (obj) {
- var min, max;
-
- if (typeof obj[0] === 'number' || obj instanceof L.Point) {
- obj = L.point(obj);
- } else {
- obj = L.bounds(obj);
- }
-
- if (obj instanceof L.Bounds) {
- min = obj.min;
- max = obj.max;
- } else {
- min = max = obj;
- }
-
- return (min.x >= this.min.x) &&
- (max.x <= this.max.x) &&
- (min.y >= this.min.y) &&
- (max.y <= this.max.y);
- },
-
-
-
-
- intersects: function (bounds) {
- bounds = L.bounds(bounds);
-
- var min = this.min,
- max = this.max,
- min2 = bounds.min,
- max2 = bounds.max,
- xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
- yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
-
- return xIntersects && yIntersects;
- },
-
-
-
-
- overlaps: function (bounds) {
- bounds = L.bounds(bounds);
-
- var min = this.min,
- max = this.max,
- min2 = bounds.min,
- max2 = bounds.max,
- xOverlaps = (max2.x > min.x) && (min2.x < max.x),
- yOverlaps = (max2.y > min.y) && (min2.y < max.y);
-
- return xOverlaps && yOverlaps;
- },
-
- isValid: function () {
- return !!(this.min && this.max);
- }
- };
-
-
-
-
-
-
-
- L.bounds = function (a, b) {
- if (!a || a instanceof L.Bounds) {
- return a;
- }
- return new L.Bounds(a, b);
- };
-
-
-
-
-
-
-
-
- L.Transformation = function (a, b, c, d) {
- this._a = a;
- this._b = b;
- this._c = c;
- this._d = d;
- };
-
- L.Transformation.prototype = {
-
-
-
- transform: function (point, scale) {
- return this._transform(point.clone(), scale);
- },
-
-
- _transform: function (point, scale) {
- scale = scale || 1;
- point.x = scale * (this._a * point.x + this._b);
- point.y = scale * (this._c * point.y + this._d);
- return point;
- },
-
-
-
-
- untransform: function (point, scale) {
- scale = scale || 1;
- return new L.Point(
- (point.x / scale - this._b) / this._a,
- (point.y / scale - this._d) / this._c);
- }
- };
-
-
-
-
-
- L.DomUtil = {
-
-
-
-
- get: function (id) {
- return typeof id === 'string' ? document.getElementById(id) : id;
- },
-
-
-
-
- getStyle: function (el, style) {
-
- var value = el.style[style] || (el.currentStyle && el.currentStyle[style]);
-
- if ((!value || value === 'auto') && document.defaultView) {
- var css = document.defaultView.getComputedStyle(el, null);
- value = css ? css[style] : null;
- }
-
- return value === 'auto' ? null : value;
- },
-
-
-
- create: function (tagName, className, container) {
-
- var el = document.createElement(tagName);
- el.className = className || '';
-
- if (container) {
- container.appendChild(el);
- }
-
- return el;
- },
-
-
-
- remove: function (el) {
- var parent = el.parentNode;
- if (parent) {
- parent.removeChild(el);
- }
- },
-
-
-
- empty: function (el) {
- while (el.firstChild) {
- el.removeChild(el.firstChild);
- }
- },
-
-
-
- toFront: function (el) {
- el.parentNode.appendChild(el);
- },
-
-
-
- toBack: function (el) {
- var parent = el.parentNode;
- parent.insertBefore(el, parent.firstChild);
- },
-
-
-
- hasClass: function (el, name) {
- if (el.classList !== undefined) {
- return el.classList.contains(name);
- }
- var className = L.DomUtil.getClass(el);
- return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
- },
-
-
-
- addClass: function (el, name) {
- if (el.classList !== undefined) {
- var classes = L.Util.splitWords(name);
- for (var i = 0, len = classes.length; i < len; i++) {
- el.classList.add(classes[i]);
- }
- } else if (!L.DomUtil.hasClass(el, name)) {
- var className = L.DomUtil.getClass(el);
- L.DomUtil.setClass(el, (className ? className + ' ' : '') + name);
- }
- },
-
-
-
- removeClass: function (el, name) {
- if (el.classList !== undefined) {
- el.classList.remove(name);
- } else {
- L.DomUtil.setClass(el, L.Util.trim((' ' + L.DomUtil.getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
- }
- },
-
-
-
- setClass: function (el, name) {
- if (el.className.baseVal === undefined) {
- el.className = name;
- } else {
-
- el.className.baseVal = name;
- }
- },
-
-
-
- getClass: function (el) {
- return el.className.baseVal === undefined ? el.className : el.className.baseVal;
- },
-
-
-
-
- setOpacity: function (el, value) {
-
- if ('opacity' in el.style) {
- el.style.opacity = value;
-
- } else if ('filter' in el.style) {
- L.DomUtil._setOpacityIE(el, value);
- }
- },
-
- _setOpacityIE: function (el, value) {
- var filter = false,
- filterName = 'DXImageTransform.Microsoft.Alpha';
-
-
- try {
- filter = el.filters.item(filterName);
- } catch (e) {
-
-
- if (value === 1) { return; }
- }
-
- value = Math.round(value * 100);
-
- if (filter) {
- filter.Enabled = (value !== 100);
- filter.Opacity = value;
- } else {
- el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
- }
- },
-
-
-
-
-
- testProp: function (props) {
-
- var style = document.documentElement.style;
-
- for (var i = 0; i < props.length; i++) {
- if (props[i] in style) {
- return props[i];
- }
- }
- return false;
- },
-
-
-
-
-
- setTransform: function (el, offset, scale) {
- var pos = offset || new L.Point(0, 0);
-
- el.style[L.DomUtil.TRANSFORM] =
- (L.Browser.ie3d ?
- 'translate(' + pos.x + 'px,' + pos.y + 'px)' :
- 'translate3d(' + pos.x + 'px,' + pos.y + 'px,0)') +
- (scale ? ' scale(' + scale + ')' : '');
- },
-
-
-
-
-
- setPosition: function (el, point) {
-
-
- el._leaflet_pos = point;
-
-
- if (L.Browser.any3d) {
- L.DomUtil.setTransform(el, point);
- } else {
- el.style.left = point.x + 'px';
- el.style.top = point.y + 'px';
- }
- },
-
-
-
- getPosition: function (el) {
-
-
-
- return el._leaflet_pos || new L.Point(0, 0);
- }
- };
-
-
- (function () {
-
-
-
-
- L.DomUtil.TRANSFORM = L.DomUtil.testProp(
- ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
-
-
-
-
-
-
-
- var transition = L.DomUtil.TRANSITION = L.DomUtil.testProp(
- ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
-
- L.DomUtil.TRANSITION_END =
- transition === 'webkitTransition' || transition === 'OTransition' ? transition + 'End' : 'transitionend';
-
-
-
-
-
-
-
-
-
- if ('onselectstart' in document) {
- L.DomUtil.disableTextSelection = function () {
- L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
- };
- L.DomUtil.enableTextSelection = function () {
- L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
- };
-
- } else {
- var userSelectProperty = L.DomUtil.testProp(
- ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
-
- L.DomUtil.disableTextSelection = function () {
- if (userSelectProperty) {
- var style = document.documentElement.style;
- this._userSelect = style[userSelectProperty];
- style[userSelectProperty] = 'none';
- }
- };
- L.DomUtil.enableTextSelection = function () {
- if (userSelectProperty) {
- document.documentElement.style[userSelectProperty] = this._userSelect;
- delete this._userSelect;
- }
- };
- }
-
-
-
-
- L.DomUtil.disableImageDrag = function () {
- L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
- };
-
-
-
- L.DomUtil.enableImageDrag = function () {
- L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
- };
-
-
-
-
-
-
- L.DomUtil.preventOutline = function (element) {
- while (element.tabIndex === -1) {
- element = element.parentNode;
- }
- if (!element || !element.style) { return; }
- L.DomUtil.restoreOutline();
- this._outlineElement = element;
- this._outlineStyle = element.style.outline;
- element.style.outline = 'none';
- L.DomEvent.on(window, 'keydown', L.DomUtil.restoreOutline, this);
- };
-
-
-
- L.DomUtil.restoreOutline = function () {
- if (!this._outlineElement) { return; }
- this._outlineElement.style.outline = this._outlineStyle;
- delete this._outlineElement;
- delete this._outlineStyle;
- L.DomEvent.off(window, 'keydown', L.DomUtil.restoreOutline, this);
- };
- })();
-
-
-
-
-
- L.LatLng = function (lat, lng, alt) {
- if (isNaN(lat) || isNaN(lng)) {
- throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
- }
-
-
-
- this.lat = +lat;
-
-
-
- this.lng = +lng;
-
-
-
- if (alt !== undefined) {
- this.alt = +alt;
- }
- };
-
- L.LatLng.prototype = {
-
-
- equals: function (obj, maxMargin) {
- if (!obj) { return false; }
-
- obj = L.latLng(obj);
-
- var margin = Math.max(
- Math.abs(this.lat - obj.lat),
- Math.abs(this.lng - obj.lng));
-
- return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin);
- },
-
-
-
- toString: function (precision) {
- return 'LatLng(' +
- L.Util.formatNum(this.lat, precision) + ', ' +
- L.Util.formatNum(this.lng, precision) + ')';
- },
-
-
-
- distanceTo: function (other) {
- return L.CRS.Earth.distance(this, L.latLng(other));
- },
-
-
-
- wrap: function () {
- return L.CRS.Earth.wrapLatLng(this);
- },
-
-
-
- toBounds: function (sizeInMeters) {
- var latAccuracy = 180 * sizeInMeters / 40075017,
- lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat);
-
- return L.latLngBounds(
- [this.lat - latAccuracy, this.lng - lngAccuracy],
- [this.lat + latAccuracy, this.lng + lngAccuracy]);
- },
-
- clone: function () {
- return new L.LatLng(this.lat, this.lng, this.alt);
- }
- };
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- L.latLng = function (a, b, c) {
- if (a instanceof L.LatLng) {
- return a;
- }
- if (L.Util.isArray(a) && typeof a[0] !== 'object') {
- if (a.length === 3) {
- return new L.LatLng(a[0], a[1], a[2]);
- }
- if (a.length === 2) {
- return new L.LatLng(a[0], a[1]);
- }
- return null;
- }
- if (a === undefined || a === null) {
- return a;
- }
- if (typeof a === 'object' && 'lat' in a) {
- return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt);
- }
- if (b === undefined) {
- return null;
- }
- return new L.LatLng(a, b, c);
- };
-
-
-
-
-
- L.LatLngBounds = function (corner1, corner2) {
- if (!corner1) { return; }
-
- var latlngs = corner2 ? [corner1, corner2] : corner1;
-
- for (var i = 0, len = latlngs.length; i < len; i++) {
- this.extend(latlngs[i]);
- }
- };
-
- L.LatLngBounds.prototype = {
-
-
-
-
-
-
-
- extend: function (obj) {
- var sw = this._southWest,
- ne = this._northEast,
- sw2, ne2;
-
- if (obj instanceof L.LatLng) {
- sw2 = obj;
- ne2 = obj;
-
- } else if (obj instanceof L.LatLngBounds) {
- sw2 = obj._southWest;
- ne2 = obj._northEast;
-
- if (!sw2 || !ne2) { return this; }
-
- } else {
- return obj ? this.extend(L.latLng(obj) || L.latLngBounds(obj)) : this;
- }
-
- if (!sw && !ne) {
- this._southWest = new L.LatLng(sw2.lat, sw2.lng);
- this._northEast = new L.LatLng(ne2.lat, ne2.lng);
- } else {
- sw.lat = Math.min(sw2.lat, sw.lat);
- sw.lng = Math.min(sw2.lng, sw.lng);
- ne.lat = Math.max(ne2.lat, ne.lat);
- ne.lng = Math.max(ne2.lng, ne.lng);
- }
-
- return this;
- },
-
-
-
- pad: function (bufferRatio) {
- var sw = this._southWest,
- ne = this._northEast,
- heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
- widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
-
- return new L.LatLngBounds(
- new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
- new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
- },
-
-
-
- getCenter: function () {
- return new L.LatLng(
- (this._southWest.lat + this._northEast.lat) / 2,
- (this._southWest.lng + this._northEast.lng) / 2);
- },
-
-
-
- getSouthWest: function () {
- return this._southWest;
- },
-
-
-
- getNorthEast: function () {
- return this._northEast;
- },
-
-
-
- getNorthWest: function () {
- return new L.LatLng(this.getNorth(), this.getWest());
- },
-
-
-
- getSouthEast: function () {
- return new L.LatLng(this.getSouth(), this.getEast());
- },
-
-
-
- getWest: function () {
- return this._southWest.lng;
- },
-
-
-
- getSouth: function () {
- return this._southWest.lat;
- },
-
-
-
- getEast: function () {
- return this._northEast.lng;
- },
-
-
-
- getNorth: function () {
- return this._northEast.lat;
- },
-
-
-
-
-
-
-
- contains: function (obj) {
- if (typeof obj[0] === 'number' || obj instanceof L.LatLng || 'lat' in obj) {
- obj = L.latLng(obj);
- } else {
- obj = L.latLngBounds(obj);
- }
-
- var sw = this._southWest,
- ne = this._northEast,
- sw2, ne2;
-
- if (obj instanceof L.LatLngBounds) {
- sw2 = obj.getSouthWest();
- ne2 = obj.getNorthEast();
- } else {
- sw2 = ne2 = obj;
- }
-
- return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
- (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
- },
-
-
-
- intersects: function (bounds) {
- bounds = L.latLngBounds(bounds);
-
- var sw = this._southWest,
- ne = this._northEast,
- sw2 = bounds.getSouthWest(),
- ne2 = bounds.getNorthEast(),
-
- latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
- lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
-
- return latIntersects && lngIntersects;
- },
-
-
-
- overlaps: function (bounds) {
- bounds = L.latLngBounds(bounds);
-
- var sw = this._southWest,
- ne = this._northEast,
- sw2 = bounds.getSouthWest(),
- ne2 = bounds.getNorthEast(),
-
- latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat),
- lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng);
-
- return latOverlaps && lngOverlaps;
- },
-
-
-
- toBBoxString: function () {
- return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
- },
-
-
-
- equals: function (bounds) {
- if (!bounds) { return false; }
-
- bounds = L.latLngBounds(bounds);
-
- return this._southWest.equals(bounds.getSouthWest()) &&
- this._northEast.equals(bounds.getNorthEast());
- },
-
-
-
- isValid: function () {
- return !!(this._southWest && this._northEast);
- }
- };
-
-
-
-
-
-
-
-
-
- L.latLngBounds = function (a, b) {
- if (a instanceof L.LatLngBounds) {
- return a;
- }
- return new L.LatLngBounds(a, b);
- };
-
-
-
-
-
- L.Projection = {};
-
- L.Projection.LonLat = {
- project: function (latlng) {
- return new L.Point(latlng.lng, latlng.lat);
- },
-
- unproject: function (point) {
- return new L.LatLng(point.y, point.x);
- },
-
- bounds: L.bounds([-180, -90], [180, 90])
- };
-
-
-
-
-
- L.Projection.SphericalMercator = {
-
- R: 6378137,
- MAX_LATITUDE: 85.0511287798,
-
- project: function (latlng) {
- var d = Math.PI / 180,
- max = this.MAX_LATITUDE,
- lat = Math.max(Math.min(max, latlng.lat), -max),
- sin = Math.sin(lat * d);
-
- return new L.Point(
- this.R * latlng.lng * d,
- this.R * Math.log((1 + sin) / (1 - sin)) / 2);
- },
-
- unproject: function (point) {
- var d = 180 / Math.PI;
-
- return new L.LatLng(
- (2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d,
- point.x * d / this.R);
- },
-
- bounds: (function () {
- var d = 6378137 * Math.PI;
- return L.bounds([-d, -d], [d, d]);
- })()
- };
-
-
-
-
-
- L.CRS = {
-
-
- latLngToPoint: function (latlng, zoom) {
- var projectedPoint = this.projection.project(latlng),
- scale = this.scale(zoom);
-
- return this.transformation._transform(projectedPoint, scale);
- },
-
-
-
-
- pointToLatLng: function (point, zoom) {
- var scale = this.scale(zoom),
- untransformedPoint = this.transformation.untransform(point, scale);
-
- return this.projection.unproject(untransformedPoint);
- },
-
-
-
-
- project: function (latlng) {
- return this.projection.project(latlng);
- },
-
-
-
-
- unproject: function (point) {
- return this.projection.unproject(point);
- },
-
-
-
-
-
- scale: function (zoom) {
- return 256 * Math.pow(2, zoom);
- },
-
-
-
-
- zoom: function (scale) {
- return Math.log(scale / 256) / Math.LN2;
- },
-
-
-
- getProjectedBounds: function (zoom) {
- if (this.infinite) { return null; }
-
- var b = this.projection.bounds,
- s = this.scale(zoom),
- min = this.transformation.transform(b.min, s),
- max = this.transformation.transform(b.max, s);
-
- return L.bounds(min, max);
- },
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- infinite: false,
-
-
-
-
-
- wrapLatLng: function (latlng) {
- var lng = this.wrapLng ? L.Util.wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng,
- lat = this.wrapLat ? L.Util.wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat,
- alt = latlng.alt;
-
- return L.latLng(lat, lng, alt);
- },
-
-
-
-
-
- wrapLatLngBounds: function (bounds) {
- var center = bounds.getCenter(),
- newCenter = this.wrapLatLng(center),
- latShift = center.lat - newCenter.lat,
- lngShift = center.lng - newCenter.lng;
-
- if (latShift === 0 && lngShift === 0) {
- return bounds;
- }
-
- var sw = bounds.getSouthWest(),
- ne = bounds.getNorthEast(),
- newSw = L.latLng({lat: sw.lat - latShift, lng: sw.lng - lngShift}),
- newNe = L.latLng({lat: ne.lat - latShift, lng: ne.lng - lngShift});
-
- return new L.LatLngBounds(newSw, newNe);
- }
- };
-
-
-
-
-
- L.CRS.Simple = L.extend({}, L.CRS, {
- projection: L.Projection.LonLat,
- transformation: new L.Transformation(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
- });
-
-
-
-
-
- L.CRS.Earth = L.extend({}, L.CRS, {
- wrapLng: [-180, 180],
-
-
-
-
- R: 6371000,
-
-
- distance: function (latlng1, latlng2) {
- var rad = Math.PI / 180,
- lat1 = latlng1.lat * rad,
- lat2 = latlng2.lat * rad,
- a = Math.sin(lat1) * Math.sin(lat2) +
- Math.cos(lat1) * Math.cos(lat2) * Math.cos((latlng2.lng - latlng1.lng) * rad);
-
- return this.R * Math.acos(Math.min(a, 1));
- }
- });
-
-
-
-
-
- L.CRS.EPSG3857 = L.extend({}, L.CRS.Earth, {
- code: 'EPSG:3857',
- projection: L.Projection.SphericalMercator,
-
- transformation: (function () {
- var scale = 0.5 / (Math.PI * L.Projection.SphericalMercator.R);
- return new L.Transformation(scale, 0.5, -scale, 0.5);
- }())
- });
-
- L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
- code: 'EPSG:900913'
- });
-
-
-
-
-
- L.CRS.EPSG4326 = L.extend({}, L.CRS.Earth, {
- code: 'EPSG:4326',
- projection: L.Projection.LonLat,
- transformation: new L.Transformation(1 / 180, 1, -1 / 180, 0.5)
- });
-
-
-
-
-
- L.Map = L.Evented.extend({
-
- options: {
-
-
-
-
- crs: L.CRS.EPSG3857,
-
-
-
- center: undefined,
-
-
-
- zoom: undefined,
-
-
-
- minZoom: undefined,
-
-
-
- maxZoom: undefined,
-
-
-
- layers: [],
-
-
-
-
-
-
- maxBounds: undefined,
-
-
-
-
- renderer: undefined,
-
-
-
-
-
-
- zoomAnimation: true,
-
-
-
- zoomAnimationThreshold: 4,
-
-
-
-
- fadeAnimation: true,
-
-
-
-
-
- markerZoomAnimation: true,
-
-
-
-
-
- transform3DLimit: 8388608,
-
-
-
-
-
-
-
-
- zoomSnap: 1,
-
-
-
-
-
-
- zoomDelta: 1,
-
-
-
- trackResize: true
- },
-
- initialize: function (id, options) {
- options = L.setOptions(this, options);
-
- this._initContainer(id);
- this._initLayout();
-
-
- this._onResize = L.bind(this._onResize, this);
-
- this._initEvents();
-
- if (options.maxBounds) {
- this.setMaxBounds(options.maxBounds);
- }
-
- if (options.zoom !== undefined) {
- this._zoom = this._limitZoom(options.zoom);
- }
-
- if (options.center && options.zoom !== undefined) {
- this.setView(L.latLng(options.center), options.zoom, {reset: true});
- }
-
- this._handlers = [];
- this._layers = {};
- this._zoomBoundLayers = {};
- this._sizeChanged = true;
-
- this.callInitHooks();
-
-
- this._zoomAnimated = L.DomUtil.TRANSITION && L.Browser.any3d && !L.Browser.mobileOpera &&
- this.options.zoomAnimation;
-
-
-
- if (this._zoomAnimated) {
- this._createAnimProxy();
- L.DomEvent.on(this._proxy, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
- }
-
- this._addLayers(this.options.layers);
- },
-
-
-
-
-
-
-
- setView: function (center, zoom, options) {
-
- zoom = zoom === undefined ? this._zoom : this._limitZoom(zoom);
- center = this._limitCenter(L.latLng(center), zoom, this.options.maxBounds);
- options = options || {};
-
- this._stop();
-
- if (this._loaded && !options.reset && options !== true) {
-
- if (options.animate !== undefined) {
- options.zoom = L.extend({animate: options.animate}, options.zoom);
- options.pan = L.extend({animate: options.animate, duration: options.duration}, options.pan);
- }
-
-
- var moved = (this._zoom !== zoom) ?
- this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
- this._tryAnimatedPan(center, options.pan);
-
- if (moved) {
-
- clearTimeout(this._sizeTimer);
- return this;
- }
- }
-
-
- this._resetView(center, zoom);
-
- return this;
- },
-
-
-
- setZoom: function (zoom, options) {
- if (!this._loaded) {
- this._zoom = zoom;
- return this;
- }
- return this.setView(this.getCenter(), zoom, {zoom: options});
- },
-
-
-
- zoomIn: function (delta, options) {
- delta = delta || (L.Browser.any3d ? this.options.zoomDelta : 1);
- return this.setZoom(this._zoom + delta, options);
- },
-
-
-
- zoomOut: function (delta, options) {
- delta = delta || (L.Browser.any3d ? this.options.zoomDelta : 1);
- return this.setZoom(this._zoom - delta, options);
- },
-
-
-
-
-
-
-
- setZoomAround: function (latlng, zoom, options) {
- var scale = this.getZoomScale(zoom),
- viewHalf = this.getSize().divideBy(2),
- containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),
-
- centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
- newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));
-
- return this.setView(newCenter, zoom, {zoom: options});
- },
-
- _getBoundsCenterZoom: function (bounds, options) {
-
- options = options || {};
- bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);
-
- var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
- paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),
-
- zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR));
-
- zoom = (typeof options.maxZoom === 'number') ? Math.min(options.maxZoom, zoom) : zoom;
-
- var paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),
-
- swPoint = this.project(bounds.getSouthWest(), zoom),
- nePoint = this.project(bounds.getNorthEast(), zoom),
- center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);
-
- return {
- center: center,
- zoom: zoom
- };
- },
-
-
-
-
- fitBounds: function (bounds, options) {
-
- bounds = L.latLngBounds(bounds);
-
- if (!bounds.isValid()) {
- throw new Error('Bounds are not valid.');
- }
-
- var target = this._getBoundsCenterZoom(bounds, options);
- return this.setView(target.center, target.zoom, options);
- },
-
-
-
-
- fitWorld: function (options) {
- return this.fitBounds([[-90, -180], [90, 180]], options);
- },
-
-
-
- panTo: function (center, options) {
- return this.setView(center, this._zoom, {pan: options});
- },
-
-
-
- panBy: function (offset, options) {
- offset = L.point(offset).round();
- options = options || {};
-
- if (!offset.x && !offset.y) {
- return this.fire('moveend');
- }
-
-
- if (options.animate !== true && !this.getSize().contains(offset)) {
- this._resetView(this.unproject(this.project(this.getCenter()).add(offset)), this.getZoom());
- return this;
- }
-
- if (!this._panAnim) {
- this._panAnim = new L.PosAnimation();
-
- this._panAnim.on({
- 'step': this._onPanTransitionStep,
- 'end': this._onPanTransitionEnd
- }, this);
- }
-
-
- if (!options.noMoveStart) {
- this.fire('movestart');
- }
-
-
- if (options.animate !== false) {
- L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
-
- var newPos = this._getMapPanePos().subtract(offset).round();
- this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
- } else {
- this._rawPanBy(offset);
- this.fire('move').fire('moveend');
- }
-
- return this;
- },
-
-
-
-
- flyTo: function (targetCenter, targetZoom, options) {
-
- options = options || {};
- if (options.animate === false || !L.Browser.any3d) {
- return this.setView(targetCenter, targetZoom, options);
- }
-
- this._stop();
-
- var from = this.project(this.getCenter()),
- to = this.project(targetCenter),
- size = this.getSize(),
- startZoom = this._zoom;
-
- targetCenter = L.latLng(targetCenter);
- targetZoom = targetZoom === undefined ? startZoom : targetZoom;
-
- var w0 = Math.max(size.x, size.y),
- w1 = w0 * this.getZoomScale(startZoom, targetZoom),
- u1 = (to.distanceTo(from)) || 1,
- rho = 1.42,
- rho2 = rho * rho;
-
- function r(i) {
- var s1 = i ? -1 : 1,
- s2 = i ? w1 : w0,
- t1 = w1 * w1 - w0 * w0 + s1 * rho2 * rho2 * u1 * u1,
- b1 = 2 * s2 * rho2 * u1,
- b = t1 / b1,
- sq = Math.sqrt(b * b + 1) - b;
-
-
-
- var log = sq < 0.000000001 ? -18 : Math.log(sq);
-
- return log;
- }
-
- function sinh(n) { return (Math.exp(n) - Math.exp(-n)) / 2; }
- function cosh(n) { return (Math.exp(n) + Math.exp(-n)) / 2; }
- function tanh(n) { return sinh(n) / cosh(n); }
-
- var r0 = r(0);
-
- function w(s) { return w0 * (cosh(r0) / cosh(r0 + rho * s)); }
- function u(s) { return w0 * (cosh(r0) * tanh(r0 + rho * s) - sinh(r0)) / rho2; }
-
- function easeOut(t) { return 1 - Math.pow(1 - t, 1.5); }
-
- var start = Date.now(),
- S = (r(1) - r0) / rho,
- duration = options.duration ? 1000 * options.duration : 1000 * S * 0.8;
-
- function frame() {
- var t = (Date.now() - start) / duration,
- s = easeOut(t) * S;
-
- if (t <= 1) {
- this._flyToFrame = L.Util.requestAnimFrame(frame, this);
-
- this._move(
- this.unproject(from.add(to.subtract(from).multiplyBy(u(s) / u1)), startZoom),
- this.getScaleZoom(w0 / w(s), startZoom),
- {flyTo: true});
-
- } else {
- this
- ._move(targetCenter, targetZoom)
- ._moveEnd(true);
- }
- }
-
- this._moveStart(true);
-
- frame.call(this);
- return this;
- },
-
-
-
-
- flyToBounds: function (bounds, options) {
- var target = this._getBoundsCenterZoom(bounds, options);
- return this.flyTo(target.center, target.zoom, options);
- },
-
-
-
- setMaxBounds: function (bounds) {
- bounds = L.latLngBounds(bounds);
-
- if (!bounds.isValid()) {
- this.options.maxBounds = null;
- return this.off('moveend', this._panInsideMaxBounds);
- } else if (this.options.maxBounds) {
- this.off('moveend', this._panInsideMaxBounds);
- }
-
- this.options.maxBounds = bounds;
-
- if (this._loaded) {
- this._panInsideMaxBounds();
- }
-
- return this.on('moveend', this._panInsideMaxBounds);
- },
-
-
-
- setMinZoom: function (zoom) {
- this.options.minZoom = zoom;
-
- if (this._loaded && this.getZoom() < this.options.minZoom) {
- return this.setZoom(zoom);
- }
-
- return this;
- },
-
-
-
- setMaxZoom: function (zoom) {
- this.options.maxZoom = zoom;
-
- if (this._loaded && (this.getZoom() > this.options.maxZoom)) {
- return this.setZoom(zoom);
- }
-
- return this;
- },
-
-
-
- panInsideBounds: function (bounds, options) {
- this._enforcingBounds = true;
- var center = this.getCenter(),
- newCenter = this._limitCenter(center, this._zoom, L.latLngBounds(bounds));
-
- if (!center.equals(newCenter)) {
- this.panTo(newCenter, options);
- }
-
- this._enforcingBounds = false;
- return this;
- },
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- invalidateSize: function (options) {
- if (!this._loaded) { return this; }
-
- options = L.extend({
- animate: false,
- pan: true
- }, options === true ? {animate: true} : options);
-
- var oldSize = this.getSize();
- this._sizeChanged = true;
- this._lastCenter = null;
-
- var newSize = this.getSize(),
- oldCenter = oldSize.divideBy(2).round(),
- newCenter = newSize.divideBy(2).round(),
- offset = oldCenter.subtract(newCenter);
-
- if (!offset.x && !offset.y) { return this; }
-
- if (options.animate && options.pan) {
- this.panBy(offset);
-
- } else {
- if (options.pan) {
- this._rawPanBy(offset);
- }
-
- this.fire('move');
-
- if (options.debounceMoveend) {
- clearTimeout(this._sizeTimer);
- this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
- } else {
- this.fire('moveend');
- }
- }
-
-
-
-
- return this.fire('resize', {
- oldSize: oldSize,
- newSize: newSize
- });
- },
-
-
-
-
- stop: function () {
- this.setZoom(this._limitZoom(this._zoom));
- if (!this.options.zoomSnap) {
- this.fire('viewreset');
- }
- return this._stop();
- },
-
-
-
-
-
-
-
-
-
-
- locate: function (options) {
-
- options = this._locateOptions = L.extend({
- timeout: 10000,
- watch: false
-
-
-
-
- }, options);
-
- if (!('geolocation' in navigator)) {
- this._handleGeolocationError({
- code: 0,
- message: 'Geolocation not supported.'
- });
- return this;
- }
-
- var onResponse = L.bind(this._handleGeolocationResponse, this),
- onError = L.bind(this._handleGeolocationError, this);
-
- if (options.watch) {
- this._locationWatchId =
- navigator.geolocation.watchPosition(onResponse, onError, options);
- } else {
- navigator.geolocation.getCurrentPosition(onResponse, onError, options);
- }
- return this;
- },
-
-
-
-
-
- stopLocate: function () {
- if (navigator.geolocation && navigator.geolocation.clearWatch) {
- navigator.geolocation.clearWatch(this._locationWatchId);
- }
- if (this._locateOptions) {
- this._locateOptions.setView = false;
- }
- return this;
- },
-
- _handleGeolocationError: function (error) {
- var c = error.code,
- message = error.message ||
- (c === 1 ? 'permission denied' :
- (c === 2 ? 'position unavailable' : 'timeout'));
-
- if (this._locateOptions.setView && !this._loaded) {
- this.fitWorld();
- }
-
-
-
-
- this.fire('locationerror', {
- code: c,
- message: 'Geolocation error: ' + message + '.'
- });
- },
-
- _handleGeolocationResponse: function (pos) {
- var lat = pos.coords.latitude,
- lng = pos.coords.longitude,
- latlng = new L.LatLng(lat, lng),
- bounds = latlng.toBounds(pos.coords.accuracy),
- options = this._locateOptions;
-
- if (options.setView) {
- var zoom = this.getBoundsZoom(bounds);
- this.setView(latlng, options.maxZoom ? Math.min(zoom, options.maxZoom) : zoom);
- }
-
- var data = {
- latlng: latlng,
- bounds: bounds,
- timestamp: pos.timestamp
- };
-
- for (var i in pos.coords) {
- if (typeof pos.coords[i] === 'number') {
- data[i] = pos.coords[i];
- }
- }
-
-
-
-
- this.fire('locationfound', data);
- },
-
-
-
-
-
-
- addHandler: function (name, HandlerClass) {
- if (!HandlerClass) { return this; }
-
- var handler = this[name] = new HandlerClass(this);
-
- this._handlers.push(handler);
-
- if (this.options[name]) {
- handler.enable();
- }
-
- return this;
- },
-
-
-
- remove: function () {
-
- this._initEvents(true);
-
- if (this._containerId !== this._container._leaflet_id) {
- throw new Error('Map container is being reused by another instance');
- }
-
- try {
-
- delete this._container._leaflet_id;
- delete this._containerId;
- } catch (e) {
-
- this._container._leaflet_id = undefined;
-
- this._containerId = undefined;
- }
-
- L.DomUtil.remove(this._mapPane);
-
- if (this._clearControlPos) {
- this._clearControlPos();
- }
-
- this._clearHandlers();
-
- if (this._loaded) {
-
-
-
- this.fire('unload');
- }
-
- for (var i in this._layers) {
- this._layers[i].remove();
- }
-
- return this;
- },
-
-
-
-
-
-
- createPane: function (name, container) {
- var className = 'leaflet-pane' + (name ? ' leaflet-' + name.replace('Pane', '') + '-pane' : ''),
- pane = L.DomUtil.create('div', className, container || this._mapPane);
-
- if (name) {
- this._panes[name] = pane;
- }
- return pane;
- },
-
-
-
-
-
- getCenter: function () {
- this._checkIfLoaded();
-
- if (this._lastCenter && !this._moved()) {
- return this._lastCenter;
- }
- return this.layerPointToLatLng(this._getCenterLayerPoint());
- },
-
-
-
- getZoom: function () {
- return this._zoom;
- },
-
-
-
- getBounds: function () {
- var bounds = this.getPixelBounds(),
- sw = this.unproject(bounds.getBottomLeft()),
- ne = this.unproject(bounds.getTopRight());
-
- return new L.LatLngBounds(sw, ne);
- },
-
-
-
- getMinZoom: function () {
- return this.options.minZoom === undefined ? this._layersMinZoom || 0 : this.options.minZoom;
- },
-
-
-
- getMaxZoom: function () {
- return this.options.maxZoom === undefined ?
- (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) :
- this.options.maxZoom;
- },
-
-
-
-
-
-
- getBoundsZoom: function (bounds, inside, padding) {
- bounds = L.latLngBounds(bounds);
- padding = L.point(padding || [0, 0]);
-
- var zoom = this.getZoom() || 0,
- min = this.getMinZoom(),
- max = this.getMaxZoom(),
- nw = bounds.getNorthWest(),
- se = bounds.getSouthEast(),
- size = this.getSize().subtract(padding),
- boundsSize = L.bounds(this.project(se, zoom), this.project(nw, zoom)).getSize(),
- snap = L.Browser.any3d ? this.options.zoomSnap : 1;
-
- var scale = Math.min(size.x / boundsSize.x, size.y / boundsSize.y);
- zoom = this.getScaleZoom(scale, zoom);
-
- if (snap) {
- zoom = Math.round(zoom / (snap / 100)) * (snap / 100);
- zoom = inside ? Math.ceil(zoom / snap) * snap : Math.floor(zoom / snap) * snap;
- }
-
- return Math.max(min, Math.min(max, zoom));
- },
-
-
-
- getSize: function () {
- if (!this._size || this._sizeChanged) {
- this._size = new L.Point(
- this._container.clientWidth || 0,
- this._container.clientHeight || 0);
-
- this._sizeChanged = false;
- }
- return this._size.clone();
- },
-
-
-
-
- getPixelBounds: function (center, zoom) {
- var topLeftPoint = this._getTopLeftPoint(center, zoom);
- return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
- },
-
-
-
-
-
-
-
- getPixelOrigin: function () {
- this._checkIfLoaded();
- return this._pixelOrigin;
- },
-
-
-
-
- getPixelWorldBounds: function (zoom) {
- return this.options.crs.getProjectedBounds(zoom === undefined ? this.getZoom() : zoom);
- },
-
-
-
-
-
- getPane: function (pane) {
- return typeof pane === 'string' ? this._panes[pane] : pane;
- },
-
-
-
-
- getPanes: function () {
- return this._panes;
- },
-
-
-
- getContainer: function () {
- return this._container;
- },
-
-
-
-
-
-
-
- getZoomScale: function (toZoom, fromZoom) {
-
- var crs = this.options.crs;
- fromZoom = fromZoom === undefined ? this._zoom : fromZoom;
- return crs.scale(toZoom) / crs.scale(fromZoom);
- },
-
-
-
-
-
- getScaleZoom: function (scale, fromZoom) {
- var crs = this.options.crs;
- fromZoom = fromZoom === undefined ? this._zoom : fromZoom;
- var zoom = crs.zoom(scale * crs.scale(fromZoom));
- return isNaN(zoom) ? Infinity : zoom;
- },
-
-
-
-
-
-
- project: function (latlng, zoom) {
- zoom = zoom === undefined ? this._zoom : zoom;
- return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
- },
-
-
-
- unproject: function (point, zoom) {
- zoom = zoom === undefined ? this._zoom : zoom;
- return this.options.crs.pointToLatLng(L.point(point), zoom);
- },
-
-
-
-
- layerPointToLatLng: function (point) {
- var projectedPoint = L.point(point).add(this.getPixelOrigin());
- return this.unproject(projectedPoint);
- },
-
-
-
-
- latLngToLayerPoint: function (latlng) {
- var projectedPoint = this.project(L.latLng(latlng))._round();
- return projectedPoint._subtract(this.getPixelOrigin());
- },
-
-
-
-
-
-
-
- wrapLatLng: function (latlng) {
- return this.options.crs.wrapLatLng(L.latLng(latlng));
- },
-
-
-
-
-
-
-
- wrapLatLngBounds: function (latlng) {
- return this.options.crs.wrapLatLngBounds(L.latLngBounds(latlng));
- },
-
-
-
-
- distance: function (latlng1, latlng2) {
- return this.options.crs.distance(L.latLng(latlng1), L.latLng(latlng2));
- },
-
-
-
-
- containerPointToLayerPoint: function (point) {
- return L.point(point).subtract(this._getMapPanePos());
- },
-
-
-
-
- layerPointToContainerPoint: function (point) {
- return L.point(point).add(this._getMapPanePos());
- },
-
-
-
-
- containerPointToLatLng: function (point) {
- var layerPoint = this.containerPointToLayerPoint(L.point(point));
- return this.layerPointToLatLng(layerPoint);
- },
-
-
-
-
- latLngToContainerPoint: function (latlng) {
- return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
- },
-
-
-
-
- mouseEventToContainerPoint: function (e) {
- return L.DomEvent.getMousePosition(e, this._container);
- },
-
-
-
-
- mouseEventToLayerPoint: function (e) {
- return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
- },
-
-
-
-
- mouseEventToLatLng: function (e) {
- return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
- },
-
-
-
-
- _initContainer: function (id) {
- var container = this._container = L.DomUtil.get(id);
-
- if (!container) {
- throw new Error('Map container not found.');
- } else if (container._leaflet_id) {
- throw new Error('Map container is already initialized.');
- }
-
- L.DomEvent.addListener(container, 'scroll', this._onScroll, this);
- this._containerId = L.Util.stamp(container);
- },
-
- _initLayout: function () {
- var container = this._container;
-
- this._fadeAnimated = this.options.fadeAnimation && L.Browser.any3d;
-
- L.DomUtil.addClass(container, 'leaflet-container' +
- (L.Browser.touch ? ' leaflet-touch' : '') +
- (L.Browser.retina ? ' leaflet-retina' : '') +
- (L.Browser.ielt9 ? ' leaflet-oldie' : '') +
- (L.Browser.safari ? ' leaflet-safari' : '') +
- (this._fadeAnimated ? ' leaflet-fade-anim' : ''));
-
- var position = L.DomUtil.getStyle(container, 'position');
-
- if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
- container.style.position = 'relative';
- }
-
- this._initPanes();
-
- if (this._initControlPos) {
- this._initControlPos();
- }
- },
-
- _initPanes: function () {
- var panes = this._panes = {};
- this._paneRenderers = {};
-
-
-
-
-
-
-
-
-
-
-
-
-
- this._mapPane = this.createPane('mapPane', this._container);
- L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
-
-
-
- this.createPane('tilePane');
-
-
- this.createPane('shadowPane');
-
-
- this.createPane('overlayPane');
-
-
- this.createPane('markerPane');
-
-
- this.createPane('tooltipPane');
-
-
- this.createPane('popupPane');
-
- if (!this.options.markerZoomAnimation) {
- L.DomUtil.addClass(panes.markerPane, 'leaflet-zoom-hide');
- L.DomUtil.addClass(panes.shadowPane, 'leaflet-zoom-hide');
- }
- },
-
-
-
-
-
- _resetView: function (center, zoom) {
- L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
-
- var loading = !this._loaded;
- this._loaded = true;
- zoom = this._limitZoom(zoom);
-
- this.fire('viewprereset');
-
- var zoomChanged = this._zoom !== zoom;
- this
- ._moveStart(zoomChanged)
- ._move(center, zoom)
- ._moveEnd(zoomChanged);
-
-
-
-
- this.fire('viewreset');
-
-
-
-
- if (loading) {
- this.fire('load');
- }
- },
-
- _moveStart: function (zoomChanged) {
-
-
-
-
- if (zoomChanged) {
- this.fire('zoomstart');
- }
- return this.fire('movestart');
- },
-
- _move: function (center, zoom, data) {
- if (zoom === undefined) {
- zoom = this._zoom;
- }
- var zoomChanged = this._zoom !== zoom;
-
- this._zoom = zoom;
- this._lastCenter = center;
- this._pixelOrigin = this._getNewPixelOrigin(center);
-
-
-
-
- if (zoomChanged || (data && data.pinch)) {
- this.fire('zoom', data);
- }
-
-
-
-
- return this.fire('move', data);
- },
-
- _moveEnd: function (zoomChanged) {
-
-
- if (zoomChanged) {
- this.fire('zoomend');
- }
-
-
-
-
- return this.fire('moveend');
- },
-
- _stop: function () {
- L.Util.cancelAnimFrame(this._flyToFrame);
- if (this._panAnim) {
- this._panAnim.stop();
- }
- return this;
- },
-
- _rawPanBy: function (offset) {
- L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
- },
-
- _getZoomSpan: function () {
- return this.getMaxZoom() - this.getMinZoom();
- },
-
- _panInsideMaxBounds: function () {
- if (!this._enforcingBounds) {
- this.panInsideBounds(this.options.maxBounds);
- }
- },
-
- _checkIfLoaded: function () {
- if (!this._loaded) {
- throw new Error('Set map center and zoom first.');
- }
- },
-
-
-
-
- _initEvents: function (remove) {
- if (!L.DomEvent) { return; }
-
- this._targets = {};
- this._targets[L.stamp(this._container)] = this;
-
- var onOff = remove ? 'off' : 'on';
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- L.DomEvent[onOff](this._container, 'click dblclick mousedown mouseup ' +
- 'mouseover mouseout mousemove contextmenu keypress', this._handleDOMEvent, this);
-
- if (this.options.trackResize) {
- L.DomEvent[onOff](window, 'resize', this._onResize, this);
- }
-
- if (L.Browser.any3d && this.options.transform3DLimit) {
- this[onOff]('moveend', this._onMoveEnd);
- }
- },
-
- _onResize: function () {
- L.Util.cancelAnimFrame(this._resizeRequest);
- this._resizeRequest = L.Util.requestAnimFrame(
- function () { this.invalidateSize({debounceMoveend: true}); }, this);
- },
-
- _onScroll: function () {
- this._container.scrollTop = 0;
- this._container.scrollLeft = 0;
- },
-
- _onMoveEnd: function () {
- var pos = this._getMapPanePos();
- if (Math.max(Math.abs(pos.x), Math.abs(pos.y)) >= this.options.transform3DLimit) {
-
-
- this._resetView(this.getCenter(), this.getZoom());
- }
- },
-
- _findEventTargets: function (e, type) {
- var targets = [],
- target,
- isHover = type === 'mouseout' || type === 'mouseover',
- src = e.target || e.srcElement,
- dragging = false;
-
- while (src) {
- target = this._targets[L.stamp(src)];
- if (target && (type === 'click' || type === 'preclick') && !e._simulated && this._draggableMoved(target)) {
-
- dragging = true;
- break;
- }
- if (target && target.listens(type, true)) {
- if (isHover && !L.DomEvent._isExternalTarget(src, e)) { break; }
- targets.push(target);
- if (isHover) { break; }
- }
- if (src === this._container) { break; }
- src = src.parentNode;
- }
- if (!targets.length && !dragging && !isHover && L.DomEvent._isExternalTarget(src, e)) {
- targets = [this];
- }
- return targets;
- },
-
- _handleDOMEvent: function (e) {
- if (!this._loaded || L.DomEvent._skipped(e)) { return; }
-
- var type = e.type === 'keypress' && e.keyCode === 13 ? 'click' : e.type;
-
- if (type === 'mousedown') {
-
- L.DomUtil.preventOutline(e.target || e.srcElement);
- }
-
- this._fireDOMEvent(e, type);
- },
-
- _fireDOMEvent: function (e, type, targets) {
-
- if (e.type === 'click') {
-
-
-
-
-
- var synth = L.Util.extend({}, e);
- synth.type = 'preclick';
- this._fireDOMEvent(synth, synth.type, targets);
- }
-
- if (e._stopped) { return; }
-
-
- targets = (targets || []).concat(this._findEventTargets(e, type));
-
- if (!targets.length) { return; }
-
- var target = targets[0];
- if (type === 'contextmenu' && target.listens(type, true)) {
- L.DomEvent.preventDefault(e);
- }
-
- var data = {
- originalEvent: e
- };
-
- if (e.type !== 'keypress') {
- var isMarker = target instanceof L.Marker;
- data.containerPoint = isMarker ?
- this.latLngToContainerPoint(target.getLatLng()) : this.mouseEventToContainerPoint(e);
- data.layerPoint = this.containerPointToLayerPoint(data.containerPoint);
- data.latlng = isMarker ? target.getLatLng() : this.layerPointToLatLng(data.layerPoint);
- }
-
- for (var i = 0; i < targets.length; i++) {
- targets[i].fire(type, data, true);
- if (data.originalEvent._stopped ||
- (targets[i].options.nonBubblingEvents && L.Util.indexOf(targets[i].options.nonBubblingEvents, type) !== -1)) { return; }
- }
- },
-
- _draggableMoved: function (obj) {
- obj = obj.dragging && obj.dragging.enabled() ? obj : this;
- return (obj.dragging && obj.dragging.moved()) || (this.boxZoom && this.boxZoom.moved());
- },
-
- _clearHandlers: function () {
- for (var i = 0, len = this._handlers.length; i < len; i++) {
- this._handlers[i].disable();
- }
- },
-
-
-
-
-
-
-
- whenReady: function (callback, context) {
- if (this._loaded) {
- callback.call(context || this, {target: this});
- } else {
- this.on('load', callback, context);
- }
- return this;
- },
-
-
-
-
- _getMapPanePos: function () {
- return L.DomUtil.getPosition(this._mapPane) || new L.Point(0, 0);
- },
-
- _moved: function () {
- var pos = this._getMapPanePos();
- return pos && !pos.equals([0, 0]);
- },
-
- _getTopLeftPoint: function (center, zoom) {
- var pixelOrigin = center && zoom !== undefined ?
- this._getNewPixelOrigin(center, zoom) :
- this.getPixelOrigin();
- return pixelOrigin.subtract(this._getMapPanePos());
- },
-
- _getNewPixelOrigin: function (center, zoom) {
- var viewHalf = this.getSize()._divideBy(2);
- return this.project(center, zoom)._subtract(viewHalf)._add(this._getMapPanePos())._round();
- },
-
- _latLngToNewLayerPoint: function (latlng, zoom, center) {
- var topLeft = this._getNewPixelOrigin(center, zoom);
- return this.project(latlng, zoom)._subtract(topLeft);
- },
-
- _latLngBoundsToNewLayerBounds: function (latLngBounds, zoom, center) {
- var topLeft = this._getNewPixelOrigin(center, zoom);
- return L.bounds([
- this.project(latLngBounds.getSouthWest(), zoom)._subtract(topLeft),
- this.project(latLngBounds.getNorthWest(), zoom)._subtract(topLeft),
- this.project(latLngBounds.getSouthEast(), zoom)._subtract(topLeft),
- this.project(latLngBounds.getNorthEast(), zoom)._subtract(topLeft)
- ]);
- },
-
-
- _getCenterLayerPoint: function () {
- return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
- },
-
-
- _getCenterOffset: function (latlng) {
- return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
- },
-
-
- _limitCenter: function (center, zoom, bounds) {
-
- if (!bounds) { return center; }
-
- var centerPoint = this.project(center, zoom),
- viewHalf = this.getSize().divideBy(2),
- viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)),
- offset = this._getBoundsOffset(viewBounds, bounds, zoom);
-
-
-
-
- if (offset.round().equals([0, 0])) {
- return center;
- }
-
- return this.unproject(centerPoint.add(offset), zoom);
- },
-
-
- _limitOffset: function (offset, bounds) {
- if (!bounds) { return offset; }
-
- var viewBounds = this.getPixelBounds(),
- newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset));
-
- return offset.add(this._getBoundsOffset(newBounds, bounds));
- },
-
-
- _getBoundsOffset: function (pxBounds, maxBounds, zoom) {
- var projectedMaxBounds = L.bounds(
- this.project(maxBounds.getNorthEast(), zoom),
- this.project(maxBounds.getSouthWest(), zoom)
- ),
- minOffset = projectedMaxBounds.min.subtract(pxBounds.min),
- maxOffset = projectedMaxBounds.max.subtract(pxBounds.max),
-
- dx = this._rebound(minOffset.x, -maxOffset.x),
- dy = this._rebound(minOffset.y, -maxOffset.y);
-
- return new L.Point(dx, dy);
- },
-
- _rebound: function (left, right) {
- return left + right > 0 ?
- Math.round(left - right) / 2 :
- Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right));
- },
-
- _limitZoom: function (zoom) {
- var min = this.getMinZoom(),
- max = this.getMaxZoom(),
- snap = L.Browser.any3d ? this.options.zoomSnap : 1;
- if (snap) {
- zoom = Math.round(zoom / snap) * snap;
- }
- return Math.max(min, Math.min(max, zoom));
- },
-
- _onPanTransitionStep: function () {
- this.fire('move');
- },
-
- _onPanTransitionEnd: function () {
- L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
- this.fire('moveend');
- },
-
- _tryAnimatedPan: function (center, options) {
-
- var offset = this._getCenterOffset(center)._floor();
-
-
- if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }
-
- this.panBy(offset, options);
-
- return true;
- },
-
- _createAnimProxy: function () {
-
- var proxy = this._proxy = L.DomUtil.create('div', 'leaflet-proxy leaflet-zoom-animated');
- this._panes.mapPane.appendChild(proxy);
-
- this.on('zoomanim', function (e) {
- var prop = L.DomUtil.TRANSFORM,
- transform = proxy.style[prop];
-
- L.DomUtil.setTransform(proxy, this.project(e.center, e.zoom), this.getZoomScale(e.zoom, 1));
-
-
- if (transform === proxy.style[prop] && this._animatingZoom) {
- this._onZoomTransitionEnd();
- }
- }, this);
-
- this.on('load moveend', function () {
- var c = this.getCenter(),
- z = this.getZoom();
- L.DomUtil.setTransform(proxy, this.project(c, z), this.getZoomScale(z, 1));
- }, this);
- },
-
- _catchTransitionEnd: function (e) {
- if (this._animatingZoom && e.propertyName.indexOf('transform') >= 0) {
- this._onZoomTransitionEnd();
- }
- },
-
- _nothingToAnimate: function () {
- return !this._container.getElementsByClassName('leaflet-zoom-animated').length;
- },
-
- _tryAnimatedZoom: function (center, zoom, options) {
-
- if (this._animatingZoom) { return true; }
-
- options = options || {};
-
-
- if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate() ||
- Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
-
-
- var scale = this.getZoomScale(zoom),
- offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale);
-
-
- if (options.animate !== true && !this.getSize().contains(offset)) { return false; }
-
- L.Util.requestAnimFrame(function () {
- this
- ._moveStart(true)
- ._animateZoom(center, zoom, true);
- }, this);
-
- return true;
- },
-
- _animateZoom: function (center, zoom, startAnim, noUpdate) {
- if (startAnim) {
- this._animatingZoom = true;
-
-
- this._animateToCenter = center;
- this._animateToZoom = zoom;
-
- L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
- }
-
-
-
- this.fire('zoomanim', {
- center: center,
- zoom: zoom,
- noUpdate: noUpdate
- });
-
-
- setTimeout(L.bind(this._onZoomTransitionEnd, this), 250);
- },
-
- _onZoomTransitionEnd: function () {
- if (!this._animatingZoom) { return; }
-
- L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
-
- this._animatingZoom = false;
-
- this._move(this._animateToCenter, this._animateToZoom);
-
-
- L.Util.requestAnimFrame(function () {
- this._moveEnd(true);
- }, this);
- }
- });
-
-
-
-
-
-
-
-
-
-
-
- L.map = function (id, options) {
- return new L.Map(id, options);
- };
-
-
-
-
-
-
-
- L.Layer = L.Evented.extend({
-
-
- options: {
-
-
- pane: 'overlayPane',
- nonBubblingEvents: [],
-
-
-
- attribution: null
- },
-
-
-
- addTo: function (map) {
- map.addLayer(this);
- return this;
- },
-
-
-
- remove: function () {
- return this.removeFrom(this._map || this._mapToAdd);
- },
-
-
-
- removeFrom: function (obj) {
- if (obj) {
- obj.removeLayer(this);
- }
- return this;
- },
-
-
-
- getPane: function (name) {
- return this._map.getPane(name ? (this.options[name] || name) : this.options.pane);
- },
-
- addInteractiveTarget: function (targetEl) {
- this._map._targets[L.stamp(targetEl)] = this;
- return this;
- },
-
- removeInteractiveTarget: function (targetEl) {
- delete this._map._targets[L.stamp(targetEl)];
- return this;
- },
-
-
-
- getAttribution: function () {
- return this.options.attribution;
- },
-
- _layerAdd: function (e) {
- var map = e.target;
-
-
- 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});
- }
- });
-
-
-
-
-
- L.Map.include({
-
-
- addLayer: function (layer) {
- var id = L.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;
- },
-
-
-
- removeLayer: function (layer) {
- var id = L.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;
- },
-
-
-
- hasLayer: function (layer) {
- return !!layer && (L.stamp(layer) in this._layers);
- },
-
-
-
- eachLayer: function (method, context) {
- for (var i in this._layers) {
- method.call(context, this._layers[i]);
- }
- return this;
- },
-
- _addLayers: function (layers) {
- layers = layers ? (L.Util.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[L.stamp(layer)] = layer;
- this._updateZoomLevels();
- }
- },
-
- _removeZoomLimit: function (layer) {
- var id = L.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;
-
-
-
-
-
- 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);
- }
- }
- });
-
-
-
-
-
-
-
-
-
- var eventsKey = '_leaflet_events';
-
- L.DomEvent = {
-
-
-
-
-
-
-
-
-
-
- on: function (obj, types, fn, context) {
-
- if (typeof types === 'object') {
- for (var type in types) {
- this._on(obj, type, types[type], fn);
- }
- } else {
- types = L.Util.splitWords(types);
-
- for (var i = 0, len = types.length; i < len; i++) {
- this._on(obj, types[i], fn, context);
- }
- }
-
- return this;
- },
-
-
-
-
-
-
-
-
-
-
- off: function (obj, types, fn, context) {
-
- if (typeof types === 'object') {
- for (var type in types) {
- this._off(obj, type, types[type], fn);
- }
- } else {
- types = L.Util.splitWords(types);
-
- for (var i = 0, len = types.length; i < len; i++) {
- this._off(obj, types[i], fn, context);
- }
- }
-
- return this;
- },
-
- _on: function (obj, type, fn, context) {
- var id = type + L.stamp(fn) + (context ? '_' + L.stamp(context) : '');
-
- if (obj[eventsKey] && obj[eventsKey][id]) { return this; }
-
- var handler = function (e) {
- return fn.call(context || obj, e || window.event);
- };
-
- var originalHandler = handler;
-
- if (L.Browser.pointer && type.indexOf('touch') === 0) {
- this.addPointerListener(obj, type, handler, id);
-
- } else if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener &&
- !(L.Browser.pointer && L.Browser.chrome)) {
-
-
- this.addDoubleTapListener(obj, handler, id);
-
- } else if ('addEventListener' in obj) {
-
- if (type === 'mousewheel') {
- obj.addEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);
-
- } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
- handler = function (e) {
- e = e || window.event;
- if (L.DomEvent._isExternalTarget(obj, e)) {
- originalHandler(e);
- }
- };
- obj.addEventListener(type === 'mouseenter' ? 'mouseover' : 'mouseout', handler, false);
-
- } else {
- if (type === 'click' && L.Browser.android) {
- handler = function (e) {
- return L.DomEvent._filterClick(e, originalHandler);
- };
- }
- obj.addEventListener(type, handler, false);
- }
-
- } else if ('attachEvent' in obj) {
- obj.attachEvent('on' + type, handler);
- }
-
- obj[eventsKey] = obj[eventsKey] || {};
- obj[eventsKey][id] = handler;
-
- return this;
- },
-
- _off: function (obj, type, fn, context) {
-
- var id = type + L.stamp(fn) + (context ? '_' + L.stamp(context) : ''),
- handler = obj[eventsKey] && obj[eventsKey][id];
-
- if (!handler) { return this; }
-
- if (L.Browser.pointer && type.indexOf('touch') === 0) {
- this.removePointerListener(obj, type, id);
-
- } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
- this.removeDoubleTapListener(obj, id);
-
- } else if ('removeEventListener' in obj) {
-
- if (type === 'mousewheel') {
- obj.removeEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);
-
- } else {
- obj.removeEventListener(
- type === 'mouseenter' ? 'mouseover' :
- type === 'mouseleave' ? 'mouseout' : type, handler, false);
- }
-
- } else if ('detachEvent' in obj) {
- obj.detachEvent('on' + type, handler);
- }
-
- obj[eventsKey][id] = null;
-
- return this;
- },
-
-
-
-
-
-
-
-
- stopPropagation: function (e) {
-
- if (e.stopPropagation) {
- e.stopPropagation();
- } else if (e.originalEvent) {
- e.originalEvent._stopped = true;
- } else {
- e.cancelBubble = true;
- }
- L.DomEvent._skipped(e);
-
- return this;
- },
-
-
-
- disableScrollPropagation: function (el) {
- return L.DomEvent.on(el, 'mousewheel', L.DomEvent.stopPropagation);
- },
-
-
-
-
- disableClickPropagation: function (el) {
- var stop = L.DomEvent.stopPropagation;
-
- L.DomEvent.on(el, L.Draggable.START.join(' '), stop);
-
- return L.DomEvent.on(el, {
- click: L.DomEvent._fakeStop,
- dblclick: stop
- });
- },
-
-
-
-
-
-
- preventDefault: function (e) {
-
- if (e.preventDefault) {
- e.preventDefault();
- } else {
- e.returnValue = false;
- }
- return this;
- },
-
-
-
- stop: function (e) {
- return L.DomEvent
- .preventDefault(e)
- .stopPropagation(e);
- },
-
-
-
-
- getMousePosition: function (e, container) {
- if (!container) {
- return new L.Point(e.clientX, e.clientY);
- }
-
- var rect = container.getBoundingClientRect();
-
- return new L.Point(
- e.clientX - rect.left - container.clientLeft,
- e.clientY - rect.top - container.clientTop);
- },
-
-
-
- _wheelPxFactor: (L.Browser.win && L.Browser.chrome) ? 2 :
- L.Browser.gecko ? window.devicePixelRatio :
- 1,
-
-
-
-
-
-
- getWheelDelta: function (e) {
- return (L.Browser.edge) ? e.wheelDeltaY / 2 :
- (e.deltaY && e.deltaMode === 0) ? -e.deltaY / L.DomEvent._wheelPxFactor :
- (e.deltaY && e.deltaMode === 1) ? -e.deltaY * 20 :
- (e.deltaY && e.deltaMode === 2) ? -e.deltaY * 60 :
- (e.deltaX || e.deltaZ) ? 0 :
- e.wheelDelta ? (e.wheelDeltaY || e.wheelDelta) / 2 :
- (e.detail && Math.abs(e.detail) < 32765) ? -e.detail * 20 :
- e.detail ? e.detail / -32765 * 60 :
- 0;
- },
-
- _skipEvents: {},
-
- _fakeStop: function (e) {
-
- L.DomEvent._skipEvents[e.type] = true;
- },
-
- _skipped: function (e) {
- var skipped = this._skipEvents[e.type];
-
- this._skipEvents[e.type] = false;
- return skipped;
- },
-
-
- _isExternalTarget: function (el, e) {
-
- var related = e.relatedTarget;
-
- if (!related) { return true; }
-
- try {
- while (related && (related !== el)) {
- related = related.parentNode;
- }
- } catch (err) {
- return false;
- }
- return (related !== el);
- },
-
-
- _filterClick: function (e, handler) {
- var timeStamp = (e.timeStamp || (e.originalEvent && e.originalEvent.timeStamp)),
- elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);
-
-
-
-
-
-
- if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) {
- L.DomEvent.stop(e);
- return;
- }
- L.DomEvent._lastClick = timeStamp;
-
- handler(e);
- }
- };
-
-
-
- L.DomEvent.addListener = L.DomEvent.on;
-
-
-
- L.DomEvent.removeListener = L.DomEvent.off;
-
-
-
-
-
- L.PosAnimation = L.Evented.extend({
-
-
-
-
-
-
- run: function (el, newPos, duration, easeLinearity) {
- this.stop();
-
- this._el = el;
- this._inProgress = true;
- this._duration = duration || 0.25;
- this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);
-
- this._startPos = L.DomUtil.getPosition(el);
- this._offset = newPos.subtract(this._startPos);
- this._startTime = +new Date();
-
-
-
- this.fire('start');
-
- this._animate();
- },
-
-
-
- stop: function () {
- if (!this._inProgress) { return; }
-
- this._step(true);
- this._complete();
- },
-
- _animate: function () {
-
- this._animId = L.Util.requestAnimFrame(this._animate, this);
- this._step();
- },
-
- _step: function (round) {
- var elapsed = (+new Date()) - this._startTime,
- duration = this._duration * 1000;
-
- if (elapsed < duration) {
- this._runFrame(this._easeOut(elapsed / duration), round);
- } else {
- this._runFrame(1);
- this._complete();
- }
- },
-
- _runFrame: function (progress, round) {
- var pos = this._startPos.add(this._offset.multiplyBy(progress));
- if (round) {
- pos._round();
- }
- L.DomUtil.setPosition(this._el, pos);
-
-
-
- this.fire('step');
- },
-
- _complete: function () {
- L.Util.cancelAnimFrame(this._animId);
-
- this._inProgress = false;
-
-
- this.fire('end');
- },
-
- _easeOut: function (t) {
- return 1 - Math.pow(1 - t, this._easeOutPower);
- }
- });
-
-
-
-
-
- L.Projection.Mercator = {
- R: 6378137,
- R_MINOR: 6356752.314245179,
-
- bounds: L.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 L.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 L.LatLng(phi * d, point.x * d / r);
- }
- };
-
-
-
-
-
- L.CRS.EPSG3395 = L.extend({}, L.CRS.Earth, {
- code: 'EPSG:3395',
- projection: L.Projection.Mercator,
-
- transformation: (function () {
- var scale = 0.5 / (Math.PI * L.Projection.Mercator.R);
- return new L.Transformation(scale, 0.5, -scale, 0.5);
- }())
- });
-
-
-
-
-
-
- L.GridLayer = L.Layer.extend({
-
-
-
- options: {
-
-
- tileSize: 256,
-
-
-
- opacity: 1,
-
-
-
- updateWhenIdle: L.Browser.mobile,
-
-
-
- updateWhenZooming: true,
-
-
-
- updateInterval: 200,
-
-
-
- zIndex: 1,
-
-
-
- bounds: null,
-
-
-
- minZoom: 0,
-
-
-
- maxZoom: undefined,
-
-
-
-
-
-
-
- noWrap: false,
-
-
-
- pane: 'tilePane',
-
-
-
- className: '',
-
-
-
- keepBuffer: 2
- },
-
- initialize: function (options) {
- L.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();
- L.DomUtil.remove(this._container);
- map._removeZoomLimit(this);
- this._container = null;
- this._tileZoom = null;
- },
-
-
-
- bringToFront: function () {
- if (this._map) {
- L.DomUtil.toFront(this._container);
- this._setAutoZIndex(Math.max);
- }
- return this;
- },
-
-
-
- bringToBack: function () {
- if (this._map) {
- L.DomUtil.toBack(this._container);
- this._setAutoZIndex(Math.min);
- }
- return this;
- },
-
-
-
- getContainer: function () {
- return this._container;
- },
-
-
-
- setOpacity: function (opacity) {
- this.options.opacity = opacity;
- this._updateOpacity();
- return this;
- },
-
-
-
- setZIndex: function (zIndex) {
- this.options.zIndex = zIndex;
- this._updateZIndex();
-
- return this;
- },
-
-
-
- isLoading: function () {
- return this._loading;
- },
-
-
-
- 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) {
-
- if (!this._onMove) {
- this._onMove = L.Util.throttle(this._onMoveEnd, this.options.updateInterval, this);
- }
-
- events.move = this._onMove;
- }
-
- if (this._zoomAnimated) {
- events.zoomanim = this._animateZoom;
- }
-
- return events;
- },
-
-
-
-
-
-
-
- createTile: function () {
- return document.createElement('div');
- },
-
-
-
-
- getTileSize: function () {
- var s = this.options.tileSize;
- return s instanceof L.Point ? s : new L.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) {
-
-
- var layers = this.getPane().children,
- edgeZIndex = -compare(-Infinity, Infinity);
-
- 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; }
-
-
- if (L.Browser.ielt9) { return; }
-
- L.DomUtil.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);
-
- L.DomUtil.setOpacity(tile.el, fade);
- if (fade < 1) {
- nextFrame = true;
- } else {
- if (tile.active) { willPrune = true; }
- tile.active = true;
- }
- }
-
- if (willPrune && !this._noPrune) { this._pruneTiles(); }
-
- if (nextFrame) {
- L.Util.cancelAnimFrame(this._fadeFrame);
- this._fadeFrame = L.Util.requestAnimFrame(this._updateOpacity, this);
- }
- },
-
- _initContainer: function () {
- if (this._container) { return; }
-
- this._container = L.DomUtil.create('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);
- } else {
- L.DomUtil.remove(this._levels[z].el);
- this._removeTilesAtZoom(z);
- delete this._levels[z];
- }
- }
-
- var level = this._levels[zoom],
- map = this._map;
-
- if (!level) {
- level = this._levels[zoom] = {};
-
- level.el = L.DomUtil.create('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());
-
-
- L.Util.falseFn(level.el.offsetWidth);
- }
-
- this._level = level;
-
- return level;
- },
-
- _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) {
- L.DomUtil.remove(this._levels[z].el);
- delete this._levels[z];
- }
- this._removeAllTiles();
-
- this._tileZoom = null;
- },
-
- _retainParent: function (x, y, z, minZoom) {
- var x2 = Math.floor(x / 2),
- y2 = Math.floor(y / 2),
- z2 = z - 1,
- coords2 = new L.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 L.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);
- },
-
- _setView: function (center, zoom, noPrune, noUpdate) {
- var tileZoom = 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();
- }
-
-
-
- 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 (L.Browser.any3d) {
- L.DomUtil.setTransform(level.el, translate, scale);
- } else {
- L.DomUtil.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 L.Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize));
- },
-
-
- _update: function (center) {
- var map = this._map;
- if (!map) { return; }
- var zoom = map.getZoom();
-
- if (center === undefined) { center = map.getCenter(); }
- if (this._tileZoom === undefined) { return; }
-
- var pixelBounds = this._getTiledPixelBounds(center),
- tileRange = this._pxBoundsToTileRange(pixelBounds),
- tileCenter = tileRange.getCenter(),
- queue = [],
- margin = this.options.keepBuffer,
- noPruneRange = new L.Bounds(tileRange.getBottomLeft().subtract([margin, -margin]),
- tileRange.getTopRight().add([margin, -margin]));
-
- for (var key in this._tiles) {
- var c = this._tiles[key].coords;
- if (c.z !== this._tileZoom || !noPruneRange.contains(L.point(c.x, c.y))) {
- this._tiles[key].current = false;
- }
- }
-
-
-
- if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; }
-
-
- 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 L.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);
- }
- }
- }
-
-
- queue.sort(function (a, b) {
- return a.distanceTo(tileCenter) - b.distanceTo(tileCenter);
- });
-
- if (queue.length !== 0) {
-
- if (!this._loading) {
- this._loading = true;
-
-
- this.fire('loading');
- }
-
-
- 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) {
-
- 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; }
-
-
- var tileBounds = this._tileCoordsToBounds(coords);
- return L.latLngBounds(this.options.bounds).overlaps(tileBounds);
- },
-
- _keyToBounds: function (key) {
- return this._tileCoordsToBounds(this._keyToTileCoords(key));
- },
-
-
- _tileCoordsToBounds: 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),
- bounds = new L.LatLngBounds(nw, se);
-
- if (!this.options.noWrap) {
- map.wrapLatLngBounds(bounds);
- }
-
- return bounds;
- },
-
-
- _tileCoordsToKey: function (coords) {
- return coords.x + ':' + coords.y + ':' + coords.z;
- },
-
-
- _keyToTileCoords: function (key) {
- var k = key.split(':'),
- coords = new L.Point(+k[0], +k[1]);
- coords.z = +k[2];
- return coords;
- },
-
- _removeTile: function (key) {
- var tile = this._tiles[key];
- if (!tile) { return; }
-
- L.DomUtil.remove(tile.el);
-
- delete this._tiles[key];
-
-
-
- this.fire('tileunload', {
- tile: tile.el,
- coords: this._keyToTileCoords(key)
- });
- },
-
- _initTile: function (tile) {
- L.DomUtil.addClass(tile, 'leaflet-tile');
-
- var tileSize = this.getTileSize();
- tile.style.width = tileSize.x + 'px';
- tile.style.height = tileSize.y + 'px';
-
- tile.onselectstart = L.Util.falseFn;
- tile.onmousemove = L.Util.falseFn;
-
-
- if (L.Browser.ielt9 && this.options.opacity < 1) {
- L.DomUtil.setOpacity(tile, this.options.opacity);
- }
-
-
-
- if (L.Browser.android && !L.Browser.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), L.bind(this._tileReady, this, coords));
-
- this._initTile(tile);
-
-
-
- if (this.createTile.length < 2) {
-
- L.Util.requestAnimFrame(L.bind(this._tileReady, this, coords, null, tile));
- }
-
- L.DomUtil.setPosition(tile, tilePos);
-
-
- this._tiles[key] = {
- el: tile,
- coords: coords,
- current: true
- };
-
- container.appendChild(tile);
-
-
- this.fire('tileloadstart', {
- tile: tile,
- coords: coords
- });
- },
-
- _tileReady: function (coords, err, tile) {
- if (!this._map) { return; }
-
- if (err) {
-
-
- 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) {
- L.DomUtil.setOpacity(tile.el, 0);
- L.Util.cancelAnimFrame(this._fadeFrame);
- this._fadeFrame = L.Util.requestAnimFrame(this._updateOpacity, this);
- } else {
- tile.active = true;
- this._pruneTiles();
- }
-
- if (!err) {
- L.DomUtil.addClass(tile.el, 'leaflet-tile-loaded');
-
-
-
- this.fire('tileload', {
- tile: tile.el,
- coords: coords
- });
- }
-
- if (this._noTilesToLoad()) {
- this._loading = false;
-
-
- this.fire('load');
-
- if (L.Browser.ielt9 || !this._map._fadeAnimated) {
- L.Util.requestAnimFrame(this._pruneTiles, this);
- } else {
-
-
- setTimeout(L.bind(this._pruneTiles, this), 250);
- }
- }
- },
-
- _getTilePos: function (coords) {
- return coords.scaleBy(this.getTileSize()).subtract(this._level.origin);
- },
-
- _wrapCoords: function (coords) {
- var newCoords = new L.Point(
- this._wrapX ? L.Util.wrapNum(coords.x, this._wrapX) : coords.x,
- this._wrapY ? L.Util.wrapNum(coords.y, this._wrapY) : coords.y);
- newCoords.z = coords.z;
- return newCoords;
- },
-
- _pxBoundsToTileRange: function (bounds) {
- var tileSize = this.getTileSize();
- return new L.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;
- }
- });
-
-
-
- L.gridLayer = function (options) {
- return new L.GridLayer(options);
- };
-
-
-
-
-
-
- L.TileLayer = L.GridLayer.extend({
-
-
-
- options: {
-
-
- minZoom: 0,
-
-
-
- maxZoom: 18,
-
-
-
-
-
- maxNativeZoom: null,
-
-
-
-
-
- minNativeZoom: null,
-
-
-
- subdomains: 'abc',
-
-
-
- errorTileUrl: '',
-
-
-
- zoomOffset: 0,
-
-
-
- tms: false,
-
-
-
- zoomReverse: false,
-
-
-
- detectRetina: false,
-
-
-
- crossOrigin: false
- },
-
- initialize: function (url, options) {
-
- this._url = url;
-
- options = L.setOptions(this, options);
-
-
- if (options.detectRetina && L.Browser.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('');
- }
-
-
- if (!L.Browser.android) {
- this.on('tileunload', this._onTileRemove);
- }
- },
-
-
-
- setUrl: function (url, noRedraw) {
- this._url = url;
-
- if (!noRedraw) {
- this.redraw();
- }
- return this;
- },
-
-
-
-
-
- createTile: function (coords, done) {
- var tile = document.createElement('img');
-
- L.DomEvent.on(tile, 'load', L.bind(this._tileOnLoad, this, done, tile));
- L.DomEvent.on(tile, 'error', L.bind(this._tileOnError, this, done, tile));
-
- if (this.options.crossOrigin) {
- tile.crossOrigin = '';
- }
-
-
-
- tile.alt = '';
-
-
-
- tile.setAttribute('role', 'presentation');
-
- tile.src = this.getTileUrl(coords);
-
- return tile;
- },
-
-
-
-
-
-
-
- getTileUrl: function (coords) {
- var data = {
- r: L.Browser.retina ? '@2x' : '',
- s: this._getSubdomain(coords),
- x: coords.x,
- y: coords.y,
- z: this._getZoomForUrl()
- };
- if (this._map && !this._map.options.crs.infinite) {
- var invertedY = this._globalTileRange.max.y - coords.y;
- if (this.options.tms) {
- data['y'] = invertedY;
- }
- data['-y'] = invertedY;
- }
-
- return L.Util.template(this._url, L.extend(data, this.options));
- },
-
- _tileOnLoad: function (done, tile) {
-
- if (L.Browser.ielt9) {
- setTimeout(L.bind(done, this, null, tile), 0);
- } else {
- done(null, tile);
- }
- },
-
- _tileOnError: function (done, tile, e) {
- var errorUrl = this.options.errorTileUrl;
- if (errorUrl && tile.src !== errorUrl) {
- tile.src = errorUrl;
- }
- done(e, tile);
- },
-
- getTileSize: function () {
- var map = this._map,
- tileSize = L.GridLayer.prototype.getTileSize.call(this),
- zoom = this._tileZoom + this.options.zoomOffset,
- minNativeZoom = this.options.minNativeZoom,
- maxNativeZoom = this.options.maxNativeZoom;
-
-
- if (minNativeZoom !== null && zoom < minNativeZoom) {
- return tileSize.divideBy(map.getZoomScale(minNativeZoom, zoom)).round();
- }
-
-
- if (maxNativeZoom !== null && zoom > maxNativeZoom) {
- return tileSize.divideBy(map.getZoomScale(maxNativeZoom, zoom)).round();
- }
-
- return tileSize;
- },
-
- _onTileRemove: function (e) {
- e.tile.onload = null;
- },
-
- _getZoomForUrl: function () {
- var zoom = this._tileZoom,
- maxZoom = this.options.maxZoom,
- zoomReverse = this.options.zoomReverse,
- zoomOffset = this.options.zoomOffset,
- minNativeZoom = this.options.minNativeZoom,
- maxNativeZoom = this.options.maxNativeZoom;
-
- if (zoomReverse) {
- zoom = maxZoom - zoom;
- }
-
- zoom += zoomOffset;
-
- if (minNativeZoom !== null && zoom < minNativeZoom) {
- return minNativeZoom;
- }
-
- if (maxNativeZoom !== null && zoom > maxNativeZoom) {
- return maxNativeZoom;
- }
-
- return zoom;
- },
-
- _getSubdomain: function (tilePoint) {
- var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
- return this.options.subdomains[index];
- },
-
-
- _abortLoading: function () {
- var i, tile;
- for (i in this._tiles) {
- if (this._tiles[i].coords.z !== this._tileZoom) {
- tile = this._tiles[i].el;
-
- tile.onload = L.Util.falseFn;
- tile.onerror = L.Util.falseFn;
-
- if (!tile.complete) {
- tile.src = L.Util.emptyImageUrl;
- L.DomUtil.remove(tile);
- }
- }
- }
- }
- });
-
-
-
-
-
- L.tileLayer = function (url, options) {
- return new L.TileLayer(url, options);
- };
-
-
-
-
-
- L.TileLayer.WMS = L.TileLayer.extend({
-
-
-
-
-
-
- defaultWmsParams: {
- service: 'WMS',
- request: 'GetMap',
-
-
-
- layers: '',
-
-
-
- styles: '',
-
-
-
- format: 'image/jpeg',
-
-
-
- transparent: false,
-
-
-
- version: '1.1.1'
- },
-
- options: {
-
-
-
- crs: null,
-
-
-
- uppercase: false
- },
-
- initialize: function (url, options) {
-
- this._url = url;
-
- var wmsParams = L.extend({}, this.defaultWmsParams);
-
-
- for (var i in options) {
- if (!(i in this.options)) {
- wmsParams[i] = options[i];
- }
- }
-
- options = L.setOptions(this, options);
-
- wmsParams.width = wmsParams.height = options.tileSize * (options.detectRetina && L.Browser.retina ? 2 : 1);
-
- this.wmsParams = wmsParams;
- },
-
- onAdd: function (map) {
-
- this._crs = this.options.crs || map.options.crs;
- this._wmsVersion = parseFloat(this.wmsParams.version);
-
- var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs';
- this.wmsParams[projectionKey] = this._crs.code;
-
- L.TileLayer.prototype.onAdd.call(this, map);
- },
-
- getTileUrl: function (coords) {
-
- var tileBounds = this._tileCoordsToBounds(coords),
- nw = this._crs.project(tileBounds.getNorthWest()),
- se = this._crs.project(tileBounds.getSouthEast()),
-
- bbox = (this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ?
- [se.y, nw.x, nw.y, se.x] :
- [nw.x, se.y, se.x, nw.y]).join(','),
-
- url = L.TileLayer.prototype.getTileUrl.call(this, coords);
-
- return url +
- L.Util.getParamString(this.wmsParams, url, this.options.uppercase) +
- (this.options.uppercase ? '&BBOX=' : '&bbox=') + bbox;
- },
-
-
-
- setParams: function (params, noRedraw) {
-
- L.extend(this.wmsParams, params);
-
- if (!noRedraw) {
- this.redraw();
- }
-
- return this;
- }
- });
-
-
-
-
- L.tileLayer.wms = function (url, options) {
- return new L.TileLayer.WMS(url, options);
- };
-
-
-
-
-
- L.ImageOverlay = L.Layer.extend({
-
-
-
- options: {
-
-
- opacity: 1,
-
-
-
- alt: '',
-
-
-
- interactive: false,
-
-
-
- crossOrigin: false
- },
-
- initialize: function (url, bounds, options) {
- this._url = url;
- this._bounds = L.latLngBounds(bounds);
-
- L.setOptions(this, options);
- },
-
- onAdd: function () {
- if (!this._image) {
- this._initImage();
-
- if (this.options.opacity < 1) {
- this._updateOpacity();
- }
- }
-
- if (this.options.interactive) {
- L.DomUtil.addClass(this._image, 'leaflet-interactive');
- this.addInteractiveTarget(this._image);
- }
-
- this.getPane().appendChild(this._image);
- this._reset();
- },
-
- onRemove: function () {
- L.DomUtil.remove(this._image);
- if (this.options.interactive) {
- this.removeInteractiveTarget(this._image);
- }
- },
-
-
-
- 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;
- },
-
-
-
- bringToFront: function () {
- if (this._map) {
- L.DomUtil.toFront(this._image);
- }
- return this;
- },
-
-
-
- bringToBack: function () {
- if (this._map) {
- L.DomUtil.toBack(this._image);
- }
- return this;
- },
-
-
-
- setUrl: function (url) {
- this._url = url;
-
- if (this._image) {
- this._image.src = url;
- }
- return this;
- },
-
-
-
- setBounds: function (bounds) {
- this._bounds = 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;
- },
-
-
-
- getBounds: function () {
- return this._bounds;
- },
-
-
-
- getElement: function () {
- return this._image;
- },
-
- _initImage: function () {
- var img = this._image = L.DomUtil.create('img',
- 'leaflet-image-layer ' + (this._zoomAnimated ? 'leaflet-zoom-animated' : ''));
-
- img.onselectstart = L.Util.falseFn;
- img.onmousemove = L.Util.falseFn;
-
- img.onload = L.bind(this.fire, this, 'load');
-
- if (this.options.crossOrigin) {
- img.crossOrigin = '';
- }
-
- 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;
-
- L.DomUtil.setTransform(this._image, offset, scale);
- },
-
- _reset: function () {
- var image = this._image,
- bounds = new L.Bounds(
- this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
- this._map.latLngToLayerPoint(this._bounds.getSouthEast())),
- size = bounds.getSize();
-
- L.DomUtil.setPosition(image, bounds.min);
-
- image.style.width = size.x + 'px';
- image.style.height = size.y + 'px';
- },
-
- _updateOpacity: function () {
- L.DomUtil.setOpacity(this._image, this.options.opacity);
- }
- });
-
-
-
-
- L.imageOverlay = function (url, bounds, options) {
- return new L.ImageOverlay(url, bounds, options);
- };
-
-
-
-
-
- L.Icon = L.Class.extend({
-
-
-
-
- initialize: function (options) {
- L.setOptions(this, options);
- },
-
-
-
-
- createIcon: function (oldIcon) {
- return this._createIcon('icon', oldIcon);
- },
-
-
-
- createShadow: function (oldIcon) {
- return this._createIcon('shadow', oldIcon);
- },
-
- _createIcon: function (name, oldIcon) {
- var src = this._getIconUrl(name);
-
- if (!src) {
- if (name === 'icon') {
- throw new Error('iconUrl not set in Icon options (see the docs).');
- }
- return null;
- }
-
- var img = this._createImg(src, oldIcon && oldIcon.tagName === 'IMG' ? oldIcon : null);
- this._setIconStyles(img, name);
-
- return img;
- },
-
- _setIconStyles: function (img, name) {
- var options = this.options;
- var sizeOption = options[name + 'Size'];
-
- if (typeof sizeOption === 'number') {
- sizeOption = [sizeOption, sizeOption];
- }
-
- var size = L.point(sizeOption),
- anchor = L.point(name === 'shadow' && options.shadowAnchor || options.iconAnchor ||
- size && size.divideBy(2, true));
-
- img.className = 'leaflet-marker-' + name + ' ' + (options.className || '');
-
- if (anchor) {
- img.style.marginLeft = (-anchor.x) + 'px';
- img.style.marginTop = (-anchor.y) + 'px';
- }
-
- if (size) {
- img.style.width = size.x + 'px';
- img.style.height = size.y + 'px';
- }
- },
-
- _createImg: function (src, el) {
- el = el || document.createElement('img');
- el.src = src;
- return el;
- },
-
- _getIconUrl: function (name) {
- return L.Browser.retina && this.options[name + 'RetinaUrl'] || this.options[name + 'Url'];
- }
- });
-
-
-
-
- L.icon = function (options) {
- return new L.Icon(options);
- };
-
-
-
-
-
- L.Icon.Default = L.Icon.extend({
-
- options: {
- iconUrl: 'marker-icon.png',
- iconRetinaUrl: 'marker-icon-2x.png',
- shadowUrl: 'marker-shadow.png',
- iconSize: [25, 41],
- iconAnchor: [12, 41],
- popupAnchor: [1, -34],
- tooltipAnchor: [16, -28],
- shadowSize: [41, 41]
- },
-
- _getIconUrl: function (name) {
- if (!L.Icon.Default.imagePath) {
- L.Icon.Default.imagePath = this._detectIconPath();
- }
-
-
-
-
-
- return (this.options.imagePath || L.Icon.Default.imagePath) + L.Icon.prototype._getIconUrl.call(this, name);
- },
-
- _detectIconPath: function () {
- var el = L.DomUtil.create('div', 'leaflet-default-icon-path', document.body);
- var path = L.DomUtil.getStyle(el, 'background-image') ||
- L.DomUtil.getStyle(el, 'backgroundImage');
-
- document.body.removeChild(el);
-
- return path.indexOf('url') === 0 ?
- path.replace(/^url\([\"\']?/, '').replace(/marker-icon\.png[\"\']?\)$/, '') : '';
- }
- });
-
-
-
-
-
- L.Marker = L.Layer.extend({
-
-
-
- options: {
-
-
- icon: new L.Icon.Default(),
-
-
- interactive: true,
-
-
-
- draggable: false,
-
-
-
- keyboard: true,
-
-
-
- title: '',
-
-
-
- alt: '',
-
-
-
- zIndexOffset: 0,
-
-
-
- opacity: 1,
-
-
-
- riseOnHover: false,
-
-
-
- riseOffset: 250,
-
-
-
- pane: 'markerPane',
-
-
- nonBubblingEvents: ['click', 'dblclick', 'mouseover', 'mouseout', 'contextmenu']
- },
-
-
-
-
- initialize: function (latlng, options) {
- L.setOptions(this, options);
- this._latlng = L.latLng(latlng);
- },
-
- onAdd: function (map) {
- this._zoomAnimated = this._zoomAnimated && map.options.markerZoomAnimation;
-
- if (this._zoomAnimated) {
- map.on('zoomanim', this._animateZoom, this);
- }
-
- this._initIcon();
- this.update();
- },
-
- onRemove: function (map) {
- if (this.dragging && this.dragging.enabled()) {
- this.options.draggable = true;
- this.dragging.removeHooks();
- }
-
- if (this._zoomAnimated) {
- map.off('zoomanim', this._animateZoom, this);
- }
-
- this._removeIcon();
- this._removeShadow();
- },
-
- getEvents: function () {
- return {
- zoom: this.update,
- viewreset: this.update
- };
- },
-
-
-
- getLatLng: function () {
- return this._latlng;
- },
-
-
-
- setLatLng: function (latlng) {
- var oldLatLng = this._latlng;
- this._latlng = L.latLng(latlng);
- this.update();
-
-
-
- return this.fire('move', {oldLatLng: oldLatLng, latlng: this._latlng});
- },
-
-
-
- setZIndexOffset: function (offset) {
- this.options.zIndexOffset = offset;
- return this.update();
- },
-
-
-
- setIcon: function (icon) {
-
- this.options.icon = icon;
-
- if (this._map) {
- this._initIcon();
- this.update();
- }
-
- if (this._popup) {
- this.bindPopup(this._popup, this._popup.options);
- }
-
- return this;
- },
-
- getElement: function () {
- return this._icon;
- },
-
- update: function () {
-
- if (this._icon) {
- var pos = this._map.latLngToLayerPoint(this._latlng).round();
- this._setPos(pos);
- }
-
- return this;
- },
-
- _initIcon: function () {
- var options = this.options,
- classToAdd = 'leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide');
-
- var icon = options.icon.createIcon(this._icon),
- addIcon = false;
-
-
- if (icon !== this._icon) {
- if (this._icon) {
- this._removeIcon();
- }
- addIcon = true;
-
- if (options.title) {
- icon.title = options.title;
- }
- if (options.alt) {
- icon.alt = options.alt;
- }
- }
-
- L.DomUtil.addClass(icon, classToAdd);
-
- if (options.keyboard) {
- icon.tabIndex = '0';
- }
-
- this._icon = icon;
-
- if (options.riseOnHover) {
- this.on({
- mouseover: this._bringToFront,
- mouseout: this._resetZIndex
- });
- }
-
- var newShadow = options.icon.createShadow(this._shadow),
- addShadow = false;
-
- if (newShadow !== this._shadow) {
- this._removeShadow();
- addShadow = true;
- }
-
- if (newShadow) {
- L.DomUtil.addClass(newShadow, classToAdd);
- newShadow.alt = '';
- }
- this._shadow = newShadow;
-
-
- if (options.opacity < 1) {
- this._updateOpacity();
- }
-
-
- if (addIcon) {
- this.getPane().appendChild(this._icon);
- }
- this._initInteraction();
- if (newShadow && addShadow) {
- this.getPane('shadowPane').appendChild(this._shadow);
- }
- },
-
- _removeIcon: function () {
- if (this.options.riseOnHover) {
- this.off({
- mouseover: this._bringToFront,
- mouseout: this._resetZIndex
- });
- }
-
- L.DomUtil.remove(this._icon);
- this.removeInteractiveTarget(this._icon);
-
- this._icon = null;
- },
-
- _removeShadow: function () {
- if (this._shadow) {
- L.DomUtil.remove(this._shadow);
- }
- this._shadow = null;
- },
-
- _setPos: function (pos) {
- L.DomUtil.setPosition(this._icon, pos);
-
- if (this._shadow) {
- L.DomUtil.setPosition(this._shadow, pos);
- }
-
- this._zIndex = pos.y + this.options.zIndexOffset;
-
- this._resetZIndex();
- },
-
- _updateZIndex: function (offset) {
- this._icon.style.zIndex = this._zIndex + offset;
- },
-
- _animateZoom: function (opt) {
- var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round();
-
- this._setPos(pos);
- },
-
- _initInteraction: function () {
-
- if (!this.options.interactive) { return; }
-
- L.DomUtil.addClass(this._icon, 'leaflet-interactive');
-
- this.addInteractiveTarget(this._icon);
-
- if (L.Handler.MarkerDrag) {
- var draggable = this.options.draggable;
- if (this.dragging) {
- draggable = this.dragging.enabled();
- this.dragging.disable();
- }
-
- this.dragging = new L.Handler.MarkerDrag(this);
-
- if (draggable) {
- this.dragging.enable();
- }
- }
- },
-
-
-
- setOpacity: function (opacity) {
- this.options.opacity = opacity;
- if (this._map) {
- this._updateOpacity();
- }
-
- return this;
- },
-
- _updateOpacity: function () {
- var opacity = this.options.opacity;
-
- L.DomUtil.setOpacity(this._icon, opacity);
-
- if (this._shadow) {
- L.DomUtil.setOpacity(this._shadow, opacity);
- }
- },
-
- _bringToFront: function () {
- this._updateZIndex(this.options.riseOffset);
- },
-
- _resetZIndex: function () {
- this._updateZIndex(0);
- },
-
- _getPopupAnchor: function () {
- return this.options.icon.options.popupAnchor || [0, 0];
- },
-
- _getTooltipAnchor: function () {
- return this.options.icon.options.tooltipAnchor || [0, 0];
- }
- });
-
-
-
-
-
-
- L.marker = function (latlng, options) {
- return new L.Marker(latlng, options);
- };
-
-
-
-
-
- L.DivIcon = L.Icon.extend({
- options: {
-
-
- iconSize: [12, 12],
-
-
-
-
-
-
- html: false,
-
-
-
- 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 = L.point(options.bgPos);
- div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px';
- }
- this._setIconStyles(div, 'icon');
-
- return div;
- },
-
- createShadow: function () {
- return null;
- }
- });
-
-
-
- L.divIcon = function (options) {
- return new L.DivIcon(options);
- };
-
-
-
-
-
-
- L.DivOverlay = L.Layer.extend({
-
-
-
- options: {
-
-
-
- offset: [0, 7],
-
-
-
- className: '',
-
-
-
- pane: 'popupPane'
- },
-
- initialize: function (options, source) {
- L.setOptions(this, options);
-
- this._source = source;
- },
-
- onAdd: function (map) {
- this._zoomAnimated = map._zoomAnimated;
-
- if (!this._container) {
- this._initLayout();
- }
-
- if (map._fadeAnimated) {
- L.DomUtil.setOpacity(this._container, 0);
- }
-
- clearTimeout(this._removeTimeout);
- this.getPane().appendChild(this._container);
- this.update();
-
- if (map._fadeAnimated) {
- L.DomUtil.setOpacity(this._container, 1);
- }
-
- this.bringToFront();
- },
-
- onRemove: function (map) {
- if (map._fadeAnimated) {
- L.DomUtil.setOpacity(this._container, 0);
- this._removeTimeout = setTimeout(L.bind(L.DomUtil.remove, L.DomUtil, this._container), 200);
- } else {
- L.DomUtil.remove(this._container);
- }
- },
-
-
-
-
- getLatLng: function () {
- return this._latlng;
- },
-
-
-
- setLatLng: function (latlng) {
- this._latlng = L.latLng(latlng);
- if (this._map) {
- this._updatePosition();
- this._adjustPan();
- }
- return this;
- },
-
-
-
- getContent: function () {
- return this._content;
- },
-
-
-
- setContent: function (content) {
- this._content = content;
- this.update();
- return this;
- },
-
-
-
- getElement: function () {
- return this._container;
- },
-
-
-
- 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;
- },
-
-
-
- isOpen: function () {
- return !!this._map && this._map.hasLayer(this);
- },
-
-
-
- bringToFront: function () {
- if (this._map) {
- L.DomUtil.toFront(this._container);
- }
- return this;
- },
-
-
-
- bringToBack: function () {
- if (this._map) {
- L.DomUtil.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 = L.point(this.options.offset),
- anchor = this._getAnchor();
-
- if (this._zoomAnimated) {
- L.DomUtil.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;
-
-
- this._container.style.bottom = bottom + 'px';
- this._container.style.left = left + 'px';
- },
-
- _getAnchor: function () {
- return [0, 0];
- }
-
- });
-
-
-
-
-
-
-
- L.Popup = L.DivOverlay.extend({
-
-
-
- options: {
-
-
- maxWidth: 300,
-
-
-
- minWidth: 50,
-
-
-
-
- maxHeight: null,
-
-
-
-
- autoPan: true,
-
-
-
-
- autoPanPaddingTopLeft: null,
-
-
-
-
- autoPanPaddingBottomRight: null,
-
-
-
- autoPanPadding: [5, 5],
-
-
-
-
- keepInView: false,
-
-
-
- closeButton: true,
-
-
-
-
-
- autoClose: true,
-
-
-
- className: ''
- },
-
-
-
-
- openOn: function (map) {
- map.openPopup(this);
- return this;
- },
-
- onAdd: function (map) {
- L.DivOverlay.prototype.onAdd.call(this, map);
-
-
-
-
-
- map.fire('popupopen', {popup: this});
-
- if (this._source) {
-
-
-
-
- this._source.fire('popupopen', {popup: this}, true);
-
-
- if (!(this._source instanceof L.Path)) {
- this._source.on('preclick', L.DomEvent.stopPropagation);
- }
- }
- },
-
- onRemove: function (map) {
- L.DivOverlay.prototype.onRemove.call(this, map);
-
-
-
-
-
- map.fire('popupclose', {popup: this});
-
- if (this._source) {
-
-
-
-
- this._source.fire('popupclose', {popup: this}, true);
- if (!(this._source instanceof L.Path)) {
- this._source.off('preclick', L.DomEvent.stopPropagation);
- }
- }
- },
-
- getEvents: function () {
- var events = L.DivOverlay.prototype.getEvents.call(this);
-
- if ('closeOnClick' in this.options ? 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 = L.DomUtil.create('div',
- prefix + ' ' + (this.options.className || '') +
- ' leaflet-zoom-animated');
-
- if (this.options.closeButton) {
- var closeButton = this._closeButton = L.DomUtil.create('a', prefix + '-close-button', container);
- closeButton.href = '#close';
- closeButton.innerHTML = '×';
-
- L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
- }
-
- var wrapper = this._wrapper = L.DomUtil.create('div', prefix + '-content-wrapper', container);
- this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
-
- L.DomEvent
- .disableClickPropagation(wrapper)
- .disableScrollPropagation(this._contentNode)
- .on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);
-
- this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
- this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
- },
-
- _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';
- L.DomUtil.addClass(container, scrolledClass);
- } else {
- L.DomUtil.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();
- L.DomUtil.setPosition(this._container, pos.add(anchor));
- },
-
- _adjustPan: function () {
- if (!this.options.autoPan || (this._map._panAnim && this._map._panAnim._inProgress)) { return; }
-
- var map = this._map,
- marginBottom = parseInt(L.DomUtil.getStyle(this._container, 'marginBottom'), 10) || 0,
- containerHeight = this._container.offsetHeight + marginBottom,
- containerWidth = this._containerWidth,
- layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
-
- layerPos._add(L.DomUtil.getPosition(this._container));
-
- var containerPos = map.layerPointToContainerPoint(layerPos),
- padding = L.point(this.options.autoPanPadding),
- paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding),
- paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding),
- size = map.getSize(),
- dx = 0,
- dy = 0;
-
- if (containerPos.x + containerWidth + paddingBR.x > size.x) {
- dx = containerPos.x + containerWidth - size.x + paddingBR.x;
- }
- if (containerPos.x - dx - paddingTL.x < 0) {
- dx = containerPos.x - paddingTL.x;
- }
- if (containerPos.y + containerHeight + paddingBR.y > size.y) {
- dy = containerPos.y + containerHeight - size.y + paddingBR.y;
- }
- if (containerPos.y - dy - paddingTL.y < 0) {
- dy = containerPos.y - paddingTL.y;
- }
-
-
-
-
-
- if (dx || dy) {
- map
- .fire('autopanstart')
- .panBy([dx, dy]);
- }
- },
-
- _onCloseButtonClick: function (e) {
- this._close();
- L.DomEvent.stop(e);
- },
-
- _getAnchor: function () {
-
- return L.point(this._source && this._source._getPopupAnchor ? this._source._getPopupAnchor() : [0, 0]);
- }
-
- });
-
-
-
-
- L.popup = function (options, source) {
- return new L.Popup(options, source);
- };
-
-
-
- L.Map.mergeOptions({
- closePopupOnClick: true
- });
-
-
-
-
- L.Map.include({
-
-
-
-
-
- openPopup: function (popup, latlng, options) {
- if (!(popup instanceof L.Popup)) {
- popup = new L.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);
- },
-
-
-
- closePopup: function (popup) {
- if (!popup || popup === this._popup) {
- popup = this._popup;
- this._popup = null;
- }
- if (popup) {
- this.removeLayer(popup);
- }
- return this;
- }
- });
-
-
-
-
- L.Layer.include({
-
-
-
-
-
- bindPopup: function (content, options) {
-
- if (content instanceof L.Popup) {
- L.setOptions(content, options);
- this._popup = content;
- content._source = this;
- } else {
- if (!this._popup || options) {
- this._popup = new L.Popup(options, this);
- }
- this._popup.setContent(content);
- }
-
- if (!this._popupHandlersAdded) {
- this.on({
- click: this._openPopup,
- remove: this.closePopup,
- move: this._movePopup
- });
- this._popupHandlersAdded = true;
- }
-
- return this;
- },
-
-
-
- unbindPopup: function () {
- if (this._popup) {
- this.off({
- click: this._openPopup,
- remove: this.closePopup,
- move: this._movePopup
- });
- this._popupHandlersAdded = false;
- this._popup = null;
- }
- return this;
- },
-
-
-
- openPopup: function (layer, latlng) {
- if (!(layer instanceof L.Layer)) {
- latlng = layer;
- layer = this;
- }
-
- if (layer instanceof L.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) {
-
- this._popup._source = layer;
-
-
- this._popup.update();
-
-
- this._map.openPopup(this._popup, latlng);
- }
-
- return this;
- },
-
-
-
- closePopup: function () {
- if (this._popup) {
- this._popup._close();
- }
- return this;
- },
-
-
-
- togglePopup: function (target) {
- if (this._popup) {
- if (this._popup._map) {
- this.closePopup();
- } else {
- this.openPopup(target);
- }
- }
- return this;
- },
-
-
-
- isPopupOpen: function () {
- return (this._popup ? this._popup.isOpen() : false);
- },
-
-
-
- setPopupContent: function (content) {
- if (this._popup) {
- this._popup.setContent(content);
- }
- return this;
- },
-
-
-
- getPopup: function () {
- return this._popup;
- },
-
- _openPopup: function (e) {
- var layer = e.layer || e.target;
-
- if (!this._popup) {
- return;
- }
-
- if (!this._map) {
- return;
- }
-
-
- L.DomEvent.stop(e);
-
-
-
- if (layer instanceof L.Path) {
- this.openPopup(e.layer || e.target, e.latlng);
- return;
- }
-
-
-
- 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);
- }
- });
-
-
-
-
-
-
-
- L.Tooltip = L.DivOverlay.extend({
-
-
-
- options: {
-
-
- pane: 'tooltipPane',
-
-
-
- offset: [0, 0],
-
-
-
-
-
-
- direction: 'auto',
-
-
-
- permanent: false,
-
-
-
- sticky: false,
-
-
-
- interactive: false,
-
-
-
- opacity: 0.9
- },
-
- onAdd: function (map) {
- L.DivOverlay.prototype.onAdd.call(this, map);
- this.setOpacity(this.options.opacity);
-
-
-
-
-
- map.fire('tooltipopen', {tooltip: this});
-
- if (this._source) {
-
-
-
-
- this._source.fire('tooltipopen', {tooltip: this}, true);
- }
- },
-
- onRemove: function (map) {
- L.DivOverlay.prototype.onRemove.call(this, map);
-
-
-
-
-
- map.fire('tooltipclose', {tooltip: this});
-
- if (this._source) {
-
-
-
-
- this._source.fire('tooltipclose', {tooltip: this}, true);
- }
- },
-
- getEvents: function () {
- var events = L.DivOverlay.prototype.getEvents.call(this);
-
- if (L.Browser.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 = L.DomUtil.create('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 = L.point(this.options.offset),
- anchor = this._getAnchor();
-
- if (direction === 'top') {
- pos = pos.add(L.point(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y, true));
- } else if (direction === 'bottom') {
- pos = pos.subtract(L.point(tooltipWidth / 2 - offset.x, -offset.y, true));
- } else if (direction === 'center') {
- pos = pos.subtract(L.point(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(L.point(offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y, true));
- } else {
- direction = 'left';
- pos = pos.subtract(L.point(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y, true));
- }
-
- L.DomUtil.removeClass(container, 'leaflet-tooltip-right');
- L.DomUtil.removeClass(container, 'leaflet-tooltip-left');
- L.DomUtil.removeClass(container, 'leaflet-tooltip-top');
- L.DomUtil.removeClass(container, 'leaflet-tooltip-bottom');
- L.DomUtil.addClass(container, 'leaflet-tooltip-' + direction);
- L.DomUtil.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) {
- L.DomUtil.setOpacity(this._container, opacity);
- }
- },
-
- _animateZoom: function (e) {
- var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center);
- this._setPosition(pos);
- },
-
- _getAnchor: function () {
-
- return L.point(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]);
- }
-
- });
-
-
-
-
- L.tooltip = function (options, source) {
- return new L.Tooltip(options, source);
- };
-
-
-
- L.Map.include({
-
-
-
-
-
-
- openTooltip: function (tooltip, latlng, options) {
- if (!(tooltip instanceof L.Tooltip)) {
- tooltip = new L.Tooltip(options).setContent(tooltip);
- }
-
- if (latlng) {
- tooltip.setLatLng(latlng);
- }
-
- if (this.hasLayer(tooltip)) {
- return this;
- }
-
- return this.addLayer(tooltip);
- },
-
-
-
- closeTooltip: function (tooltip) {
- if (tooltip) {
- this.removeLayer(tooltip);
- }
- return this;
- }
-
- });
-
-
-
-
- L.Layer.include({
-
-
-
-
-
- bindTooltip: function (content, options) {
-
- if (content instanceof L.Tooltip) {
- L.setOptions(content, options);
- this._tooltip = content;
- content._source = this;
- } else {
- if (!this._tooltip || options) {
- this._tooltip = L.tooltip(options, this);
- }
- this._tooltip.setContent(content);
-
- }
-
- this._initTooltipInteractions();
-
- if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) {
- this.openTooltip();
- }
-
- return this;
- },
-
-
-
- unbindTooltip: function () {
- if (this._tooltip) {
- this._initTooltipInteractions(true);
- this.closeTooltip();
- this._tooltip = null;
- }
- return this;
- },
-
- _initTooltipInteractions: function (remove) {
- if (!remove && this._tooltipHandlersAdded) { return; }
- var onOff = remove ? '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 (L.Browser.touch) {
- events.click = this._openTooltip;
- }
- } else {
- events.add = this._openTooltip;
- }
- this[onOff](events);
- this._tooltipHandlersAdded = !remove;
- },
-
-
-
- openTooltip: function (layer, latlng) {
- if (!(layer instanceof L.Layer)) {
- latlng = layer;
- layer = this;
- }
-
- if (layer instanceof L.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) {
-
-
- this._tooltip._source = layer;
-
-
- this._tooltip.update();
-
-
- this._map.openTooltip(this._tooltip, latlng);
-
-
-
- if (this._tooltip.options.interactive && this._tooltip._container) {
- L.DomUtil.addClass(this._tooltip._container, 'leaflet-clickable');
- this.addInteractiveTarget(this._tooltip._container);
- }
- }
-
- return this;
- },
-
-
-
- closeTooltip: function () {
- if (this._tooltip) {
- this._tooltip._close();
- if (this._tooltip.options.interactive && this._tooltip._container) {
- L.DomUtil.removeClass(this._tooltip._container, 'leaflet-clickable');
- this.removeInteractiveTarget(this._tooltip._container);
- }
- }
- return this;
- },
-
-
-
- toggleTooltip: function (target) {
- if (this._tooltip) {
- if (this._tooltip._map) {
- this.closeTooltip();
- } else {
- this.openTooltip(target);
- }
- }
- return this;
- },
-
-
-
- isTooltipOpen: function () {
- return this._tooltip.isOpen();
- },
-
-
-
- setTooltipContent: function (content) {
- if (this._tooltip) {
- this._tooltip.setContent(content);
- }
- return this;
- },
-
-
-
- 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);
- }
- });
-
-
-
-
-
- L.LayerGroup = L.Layer.extend({
-
- initialize: function (layers) {
- this._layers = {};
-
- var i, len;
-
- if (layers) {
- for (i = 0, len = layers.length; i < len; i++) {
- this.addLayer(layers[i]);
- }
- }
- },
-
-
-
- addLayer: function (layer) {
- var id = this.getLayerId(layer);
-
- this._layers[id] = layer;
-
- if (this._map) {
- this._map.addLayer(layer);
- }
-
- return this;
- },
-
-
-
-
-
-
- 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;
- },
-
-
-
- hasLayer: function (layer) {
- return !!layer && (layer in this._layers || this.getLayerId(layer) in this._layers);
- },
-
-
-
- clearLayers: function () {
- for (var i in this._layers) {
- this.removeLayer(this._layers[i]);
- }
- return this;
- },
-
-
-
-
-
- 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) {
- for (var i in this._layers) {
- map.addLayer(this._layers[i]);
- }
- },
-
- onRemove: function (map) {
- for (var i in this._layers) {
- map.removeLayer(this._layers[i]);
- }
- },
-
-
-
-
-
-
-
-
- eachLayer: function (method, context) {
- for (var i in this._layers) {
- method.call(context, this._layers[i]);
- }
- return this;
- },
-
-
-
- getLayer: function (id) {
- return this._layers[id];
- },
-
-
-
- getLayers: function () {
- var layers = [];
-
- for (var i in this._layers) {
- layers.push(this._layers[i]);
- }
- return layers;
- },
-
-
-
- setZIndex: function (zIndex) {
- return this.invoke('setZIndex', zIndex);
- },
-
-
-
- getLayerId: function (layer) {
- return L.stamp(layer);
- }
- });
-
-
-
-
- L.layerGroup = function (layers) {
- return new L.LayerGroup(layers);
- };
-
-
-
-
-
- L.FeatureGroup = L.LayerGroup.extend({
-
- addLayer: function (layer) {
- if (this.hasLayer(layer)) {
- return this;
- }
-
- layer.addEventParent(this);
-
- L.LayerGroup.prototype.addLayer.call(this, layer);
-
-
-
- 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);
-
- L.LayerGroup.prototype.removeLayer.call(this, layer);
-
-
-
- return this.fire('layerremove', {layer: layer});
- },
-
-
-
- setStyle: function (style) {
- return this.invoke('setStyle', style);
- },
-
-
-
- bringToFront: function () {
- return this.invoke('bringToFront');
- },
-
-
-
- bringToBack: function () {
- return this.invoke('bringToBack');
- },
-
-
-
- getBounds: function () {
- var bounds = new L.LatLngBounds();
-
- for (var id in this._layers) {
- var layer = this._layers[id];
- bounds.extend(layer.getBounds ? layer.getBounds() : layer.getLatLng());
- }
- return bounds;
- }
- });
-
-
-
- L.featureGroup = function (layers) {
- return new L.FeatureGroup(layers);
- };
-
-
-
-
-
- L.Renderer = L.Layer.extend({
-
-
-
- options: {
-
-
-
- padding: 0.1
- },
-
- initialize: function (options) {
- L.setOptions(this, options);
- L.stamp(this);
- this._layers = this._layers || {};
- },
-
- onAdd: function () {
- if (!this._container) {
- this._initContainer();
-
- if (this._zoomAnimated) {
- L.DomUtil.addClass(this._container, 'leaflet-zoom-animated');
- }
- }
-
- this.getPane().appendChild(this._container);
- this._update();
- this.on('update', this._updatePaths, this);
- },
-
- onRemove: function () {
- L.DomUtil.remove(this._container);
- this.off('update', this._updatePaths, this);
- },
-
- getEvents: function () {
- var events = {
- viewreset: this._reset,
- zoom: this._onZoom,
- moveend: this._update,
- zoomend: this._onZoomEnd
- };
- if (this._zoomAnimated) {
- events.zoomanim = this._onAnimZoom;
- }
- return events;
- },
-
- _onAnimZoom: function (ev) {
- this._updateTransform(ev.center, ev.zoom);
- },
-
- _onZoom: function () {
- this._updateTransform(this._map.getCenter(), this._map.getZoom());
- },
-
- _updateTransform: function (center, zoom) {
- var scale = this._map.getZoomScale(zoom, this._zoom),
- position = L.DomUtil.getPosition(this._container),
- viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding),
- currentCenterPoint = this._map.project(this._center, zoom),
- destCenterPoint = this._map.project(center, zoom),
- centerOffset = destCenterPoint.subtract(currentCenterPoint),
-
- topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset);
-
- if (L.Browser.any3d) {
- L.DomUtil.setTransform(this._container, topLeftOffset, scale);
- } else {
- L.DomUtil.setPosition(this._container, topLeftOffset);
- }
- },
-
- _reset: function () {
- this._update();
- this._updateTransform(this._center, this._zoom);
-
- for (var id in this._layers) {
- this._layers[id]._reset();
- }
- },
-
- _onZoomEnd: function () {
- for (var id in this._layers) {
- this._layers[id]._project();
- }
- },
-
- _updatePaths: function () {
- for (var id in this._layers) {
- this._layers[id]._update();
- }
- },
-
- _update: function () {
-
-
- var p = this.options.padding,
- size = this._map.getSize(),
- min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round();
-
- this._bounds = new L.Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round());
-
- this._center = this._map.getCenter();
- this._zoom = this._map.getZoom();
- }
- });
-
-
- L.Map.include({
-
-
-
-
- getRenderer: function (layer) {
-
-
-
- var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer;
-
- if (!renderer) {
-
-
-
- renderer = this._renderer = (this.options.preferCanvas && L.canvas()) || L.svg();
- }
-
- 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 = (L.SVG && L.svg({pane: name})) || (L.Canvas && L.canvas({pane: name}));
- this._paneRenderers[name] = renderer;
- }
- return renderer;
- }
- });
-
-
-
-
-
- L.Path = L.Layer.extend({
-
-
-
- options: {
-
-
- stroke: true,
-
-
-
- color: '#3388ff',
-
-
-
- weight: 3,
-
-
-
- opacity: 1,
-
-
-
- lineCap: 'round',
-
-
-
- lineJoin: 'round',
-
-
-
- dashArray: null,
-
-
-
- dashOffset: null,
-
-
-
- fill: false,
-
-
-
- fillColor: null,
-
-
-
- fillOpacity: 0.2,
-
-
-
- fillRule: 'evenodd',
-
-
-
-
- interactive: true
- },
-
- beforeAdd: function (map) {
-
-
- this._renderer = map.getRenderer(this);
- },
-
- onAdd: function () {
- this._renderer._initPath(this);
- this._reset();
- this._renderer._addPath(this);
- },
-
- onRemove: function () {
- this._renderer._removePath(this);
- },
-
-
-
- redraw: function () {
- if (this._map) {
- this._renderer._updatePath(this);
- }
- return this;
- },
-
-
-
- setStyle: function (style) {
- L.setOptions(this, style);
- if (this._renderer) {
- this._renderer._updateStyle(this);
- }
- return this;
- },
-
-
-
- bringToFront: function () {
- if (this._renderer) {
- this._renderer._bringToFront(this);
- }
- return this;
- },
-
-
-
- bringToBack: function () {
- if (this._renderer) {
- this._renderer._bringToBack(this);
- }
- return this;
- },
-
- getElement: function () {
- return this._path;
- },
-
- _reset: function () {
-
- this._project();
- this._update();
- },
-
- _clickTolerance: function () {
-
- return (this.options.stroke ? this.options.weight / 2 : 0) + (L.Browser.touch ? 10 : 0);
- }
- });
-
-
-
-
-
- L.LineUtil = {
-
-
-
-
-
-
-
-
-
-
-
-
- simplify: function (points, tolerance) {
- if (!tolerance || !points.length) {
- return points.slice();
- }
-
- var sqTolerance = tolerance * tolerance;
-
-
- points = this._reducePoints(points, sqTolerance);
-
-
- points = this._simplifyDP(points, sqTolerance);
-
- return points;
- },
-
-
-
- pointToSegmentDistance: function (p, p1, p2) {
- return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
- },
-
-
-
- closestPointOnSegment: function (p, p1, p2) {
- return this._sqClosestPointOnSegment(p, p1, p2);
- },
-
-
- _simplifyDP: function (points, sqTolerance) {
-
- var len = points.length,
- ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
- markers = new ArrayConstructor(len);
-
- markers[0] = markers[len - 1] = 1;
-
- this._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;
- },
-
- _simplifyDPStep: function (points, markers, sqTolerance, first, last) {
-
- var maxSqDist = 0,
- index, i, sqDist;
-
- for (i = first + 1; i <= last - 1; i++) {
- sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);
-
- if (sqDist > maxSqDist) {
- index = i;
- maxSqDist = sqDist;
- }
- }
-
- if (maxSqDist > sqTolerance) {
- markers[index] = 1;
-
- this._simplifyDPStep(points, markers, sqTolerance, first, index);
- this._simplifyDPStep(points, markers, sqTolerance, index, last);
- }
- },
-
-
- _reducePoints: function (points, sqTolerance) {
- var reducedPoints = [points[0]];
-
- for (var i = 1, prev = 0, len = points.length; i < len; i++) {
- if (this._sqDist(points[i], points[prev]) > sqTolerance) {
- reducedPoints.push(points[i]);
- prev = i;
- }
- }
- if (prev < len - 1) {
- reducedPoints.push(points[len - 1]);
- }
- return reducedPoints;
- },
-
-
-
-
-
-
-
- clipSegment: function (a, b, bounds, useLastCode, round) {
- var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
- codeB = this._getBitCode(b, bounds),
-
- codeOut, p, newCode;
-
-
- this._lastCode = codeB;
-
- while (true) {
-
- if (!(codeA | codeB)) {
- return [a, b];
- }
-
-
- if (codeA & codeB) {
- return false;
- }
-
-
- codeOut = codeA || codeB;
- p = this._getEdgeIntersection(a, b, codeOut, bounds, round);
- newCode = this._getBitCode(p, bounds);
-
- if (codeOut === codeA) {
- a = p;
- codeA = newCode;
- } else {
- b = p;
- codeB = newCode;
- }
- }
- },
-
- _getEdgeIntersection: function (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) {
- x = a.x + dx * (max.y - a.y) / dy;
- y = max.y;
-
- } else if (code & 4) {
- x = a.x + dx * (min.y - a.y) / dy;
- y = min.y;
-
- } else if (code & 2) {
- x = max.x;
- y = a.y + dy * (max.x - a.x) / dx;
-
- } else if (code & 1) {
- x = min.x;
- y = a.y + dy * (min.x - a.x) / dx;
- }
-
- return new L.Point(x, y, round);
- },
-
- _getBitCode: function (p, bounds) {
- var code = 0;
-
- if (p.x < bounds.min.x) {
- code |= 1;
- } else if (p.x > bounds.max.x) {
- code |= 2;
- }
-
- if (p.y < bounds.min.y) {
- code |= 4;
- } else if (p.y > bounds.max.y) {
- code |= 8;
- }
-
- return code;
- },
-
-
- _sqDist: function (p1, p2) {
- var dx = p2.x - p1.x,
- dy = p2.y - p1.y;
- return dx * dx + dy * dy;
- },
-
-
- _sqClosestPointOnSegment: function (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 L.Point(x, y);
- }
- };
-
-
-
-
-
- L.Polyline = L.Path.extend({
-
-
-
- options: {
-
-
-
- smoothFactor: 1.0,
-
-
-
- noClip: false
- },
-
- initialize: function (latlngs, options) {
- L.setOptions(this, options);
- this._setLatLngs(latlngs);
- },
-
-
-
- getLatLngs: function () {
- return this._latlngs;
- },
-
-
-
- setLatLngs: function (latlngs) {
- this._setLatLngs(latlngs);
- return this.redraw();
- },
-
-
-
- isEmpty: function () {
- return !this._latlngs.length;
- },
-
- closestLayerPoint: function (p) {
- var minDistance = Infinity,
- minPoint = null,
- closest = L.LineUtil._sqClosestPointOnSegment,
- p1, p2;
-
- for (var j = 0, jLen = this._parts.length; j < jLen; j++) {
- var points = this._parts[j];
-
- for (var i = 1, len = points.length; i < len; i++) {
- p1 = points[i - 1];
- p2 = points[i];
-
- var sqDist = closest(p, p1, p2, true);
-
- if (sqDist < minDistance) {
- minDistance = sqDist;
- minPoint = closest(p, p1, p2);
- }
- }
- }
- if (minPoint) {
- minPoint.distance = Math.sqrt(minDistance);
- }
- return minPoint;
- },
-
-
-
- getCenter: function () {
-
- if (!this._map) {
- throw new Error('Must add layer to map before using getCenter()');
- }
-
- var i, halfDist, segDist, dist, p1, p2, ratio,
- points = this._rings[0],
- len = points.length;
-
- if (!len) { return null; }
-
-
-
- for (i = 0, halfDist = 0; i < len - 1; i++) {
- halfDist += points[i].distanceTo(points[i + 1]) / 2;
- }
-
-
- if (halfDist === 0) {
- return this._map.layerPointToLatLng(points[0]);
- }
-
- for (i = 0, dist = 0; i < len - 1; i++) {
- p1 = points[i];
- p2 = points[i + 1];
- segDist = p1.distanceTo(p2);
- dist += segDist;
-
- if (dist > halfDist) {
- ratio = (dist - halfDist) / segDist;
- return this._map.layerPointToLatLng([
- p2.x - ratio * (p2.x - p1.x),
- p2.y - ratio * (p2.y - p1.y)
- ]);
- }
- }
- },
-
-
-
- getBounds: function () {
- return this._bounds;
- },
-
-
-
-
-
- addLatLng: function (latlng, latlngs) {
- latlngs = latlngs || this._defaultShape();
- latlng = L.latLng(latlng);
- latlngs.push(latlng);
- this._bounds.extend(latlng);
- return this.redraw();
- },
-
- _setLatLngs: function (latlngs) {
- this._bounds = new L.LatLngBounds();
- this._latlngs = this._convertLatLngs(latlngs);
- },
-
- _defaultShape: function () {
- return L.Polyline._flat(this._latlngs) ? this._latlngs : this._latlngs[0];
- },
-
-
- _convertLatLngs: function (latlngs) {
- var result = [],
- flat = L.Polyline._flat(latlngs);
-
- for (var i = 0, len = latlngs.length; i < len; i++) {
- if (flat) {
- result[i] = L.latLng(latlngs[i]);
- this._bounds.extend(result[i]);
- } else {
- result[i] = this._convertLatLngs(latlngs[i]);
- }
- }
-
- return result;
- },
-
- _project: function () {
- var pxBounds = new L.Bounds();
- this._rings = [];
- this._projectLatlngs(this._latlngs, this._rings, pxBounds);
-
- var w = this._clickTolerance(),
- p = new L.Point(w, w);
-
- if (this._bounds.isValid() && pxBounds.isValid()) {
- pxBounds.min._subtract(p);
- pxBounds.max._add(p);
- this._pxBounds = pxBounds;
- }
- },
-
-
- _projectLatlngs: function (latlngs, result, projectedBounds) {
- var flat = latlngs[0] instanceof L.LatLng,
- len = latlngs.length,
- i, ring;
-
- if (flat) {
- ring = [];
- for (i = 0; i < len; i++) {
- ring[i] = this._map.latLngToLayerPoint(latlngs[i]);
- projectedBounds.extend(ring[i]);
- }
- result.push(ring);
- } else {
- for (i = 0; i < len; i++) {
- this._projectLatlngs(latlngs[i], result, projectedBounds);
- }
- }
- },
-
-
- _clipPoints: function () {
- var bounds = this._renderer._bounds;
-
- this._parts = [];
- if (!this._pxBounds || !this._pxBounds.intersects(bounds)) {
- return;
- }
-
- if (this.options.noClip) {
- this._parts = this._rings;
- return;
- }
-
- var parts = this._parts,
- i, j, k, len, len2, segment, points;
-
- for (i = 0, k = 0, len = this._rings.length; i < len; i++) {
- points = this._rings[i];
-
- for (j = 0, len2 = points.length; j < len2 - 1; j++) {
- segment = L.LineUtil.clipSegment(points[j], points[j + 1], bounds, j, true);
-
- if (!segment) { continue; }
-
- parts[k] = parts[k] || [];
- parts[k].push(segment[0]);
-
-
- if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) {
- parts[k].push(segment[1]);
- k++;
- }
- }
- }
- },
-
-
- _simplifyPoints: function () {
- var parts = this._parts,
- tolerance = this.options.smoothFactor;
-
- for (var i = 0, len = parts.length; i < len; i++) {
- parts[i] = L.LineUtil.simplify(parts[i], tolerance);
- }
- },
-
- _update: function () {
- if (!this._map) { return; }
-
- this._clipPoints();
- this._simplifyPoints();
- this._updatePath();
- },
-
- _updatePath: function () {
- this._renderer._updatePoly(this);
- }
- });
-
-
-
-
-
-
- L.polyline = function (latlngs, options) {
- return new L.Polyline(latlngs, options);
- };
-
- L.Polyline._flat = function (latlngs) {
-
- return !L.Util.isArray(latlngs[0]) || (typeof latlngs[0][0] !== 'object' && typeof latlngs[0][0] !== 'undefined');
- };
-
-
-
-
-
- L.PolyUtil = {};
-
-
- L.PolyUtil.clipPolygon = function (points, bounds, round) {
- var clippedPoints,
- edges = [1, 4, 2, 8],
- i, j, k,
- a, b,
- len, edge, p,
- lu = L.LineUtil;
-
- for (i = 0, len = points.length; i < len; i++) {
- points[i]._code = lu._getBitCode(points[i], bounds);
- }
-
-
- 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._code & edge)) {
-
- if (b._code & edge) {
- p = lu._getEdgeIntersection(b, a, edge, bounds, round);
- p._code = lu._getBitCode(p, bounds);
- clippedPoints.push(p);
- }
- clippedPoints.push(a);
-
-
- } else if (!(b._code & edge)) {
- p = lu._getEdgeIntersection(b, a, edge, bounds, round);
- p._code = lu._getBitCode(p, bounds);
- clippedPoints.push(p);
- }
- }
- points = clippedPoints;
- }
-
- return points;
- };
-
-
-
-
-
- L.Polygon = L.Polyline.extend({
-
- options: {
- fill: true
- },
-
- isEmpty: function () {
- return !this._latlngs.length || !this._latlngs[0].length;
- },
-
- getCenter: function () {
-
- if (!this._map) {
- throw new Error('Must add layer to map before using getCenter()');
- }
-
- var i, j, p1, p2, f, area, x, y, center,
- points = this._rings[0],
- len = points.length;
-
- if (!len) { return null; }
-
-
-
- area = x = y = 0;
-
- for (i = 0, j = len - 1; i < len; j = i++) {
- p1 = points[i];
- p2 = points[j];
-
- f = p1.y * p2.x - p2.y * p1.x;
- x += (p1.x + p2.x) * f;
- y += (p1.y + p2.y) * f;
- area += f * 3;
- }
-
- if (area === 0) {
-
- center = points[0];
- } else {
- center = [x / area, y / area];
- }
- return this._map.layerPointToLatLng(center);
- },
-
- _convertLatLngs: function (latlngs) {
- var result = L.Polyline.prototype._convertLatLngs.call(this, latlngs),
- len = result.length;
-
-
- if (len >= 2 && result[0] instanceof L.LatLng && result[0].equals(result[len - 1])) {
- result.pop();
- }
- return result;
- },
-
- _setLatLngs: function (latlngs) {
- L.Polyline.prototype._setLatLngs.call(this, latlngs);
- if (L.Polyline._flat(this._latlngs)) {
- this._latlngs = [this._latlngs];
- }
- },
-
- _defaultShape: function () {
- return L.Polyline._flat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0];
- },
-
- _clipPoints: function () {
-
-
- var bounds = this._renderer._bounds,
- w = this.options.weight,
- p = new L.Point(w, w);
-
-
- bounds = new L.Bounds(bounds.min.subtract(p), bounds.max.add(p));
-
- this._parts = [];
- if (!this._pxBounds || !this._pxBounds.intersects(bounds)) {
- return;
- }
-
- if (this.options.noClip) {
- this._parts = this._rings;
- return;
- }
-
- for (var i = 0, len = this._rings.length, clipped; i < len; i++) {
- clipped = L.PolyUtil.clipPolygon(this._rings[i], bounds, true);
- if (clipped.length) {
- this._parts.push(clipped);
- }
- }
- },
-
- _updatePath: function () {
- this._renderer._updatePoly(this, true);
- }
- });
-
-
-
- L.polygon = function (latlngs, options) {
- return new L.Polygon(latlngs, options);
- };
-
-
-
-
-
-
-
-
- L.Rectangle = L.Polygon.extend({
- initialize: function (latLngBounds, options) {
- L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
- },
-
-
-
- setBounds: function (latLngBounds) {
- return this.setLatLngs(this._boundsToLatLngs(latLngBounds));
- },
-
- _boundsToLatLngs: function (latLngBounds) {
- latLngBounds = L.latLngBounds(latLngBounds);
- return [
- latLngBounds.getSouthWest(),
- latLngBounds.getNorthWest(),
- latLngBounds.getNorthEast(),
- latLngBounds.getSouthEast()
- ];
- }
- });
-
-
-
- L.rectangle = function (latLngBounds, options) {
- return new L.Rectangle(latLngBounds, options);
- };
-
-
-
-
-
- L.CircleMarker = L.Path.extend({
-
-
-
- options: {
- fill: true,
-
-
-
- radius: 10
- },
-
- initialize: function (latlng, options) {
- L.setOptions(this, options);
- this._latlng = L.latLng(latlng);
- this._radius = this.options.radius;
- },
-
-
-
- setLatLng: function (latlng) {
- this._latlng = L.latLng(latlng);
- this.redraw();
- return this.fire('move', {latlng: this._latlng});
- },
-
-
-
- getLatLng: function () {
- return this._latlng;
- },
-
-
-
- setRadius: function (radius) {
- this.options.radius = this._radius = radius;
- return this.redraw();
- },
-
-
-
- getRadius: function () {
- return this._radius;
- },
-
- setStyle : function (options) {
- var radius = options && options.radius || this._radius;
- L.Path.prototype.setStyle.call(this, options);
- this.setRadius(radius);
- return this;
- },
-
- _project: function () {
- this._point = this._map.latLngToLayerPoint(this._latlng);
- this._updateBounds();
- },
-
- _updateBounds: function () {
- var r = this._radius,
- r2 = this._radiusY || r,
- w = this._clickTolerance(),
- p = [r + w, r2 + w];
- this._pxBounds = new L.Bounds(this._point.subtract(p), this._point.add(p));
- },
-
- _update: function () {
- if (this._map) {
- this._updatePath();
- }
- },
-
- _updatePath: function () {
- this._renderer._updateCircle(this);
- },
-
- _empty: function () {
- return this._radius && !this._renderer._bounds.intersects(this._pxBounds);
- }
- });
-
-
-
-
- L.circleMarker = function (latlng, options) {
- return new L.CircleMarker(latlng, options);
- };
-
-
-
-
-
- L.Circle = L.CircleMarker.extend({
-
- initialize: function (latlng, options, legacyOptions) {
- if (typeof options === 'number') {
-
- options = L.extend({}, legacyOptions, {radius: options});
- }
- L.setOptions(this, options);
- this._latlng = L.latLng(latlng);
-
- if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); }
-
-
-
-
- this._mRadius = this.options.radius;
- },
-
-
-
- setRadius: function (radius) {
- this._mRadius = radius;
- return this.redraw();
- },
-
-
-
- getRadius: function () {
- return this._mRadius;
- },
-
-
-
- getBounds: function () {
- var half = [this._radius, this._radiusY || this._radius];
-
- return new L.LatLngBounds(
- this._map.layerPointToLatLng(this._point.subtract(half)),
- this._map.layerPointToLatLng(this._point.add(half)));
- },
-
- setStyle: L.Path.prototype.setStyle,
-
- _project: function () {
-
- var lng = this._latlng.lng,
- lat = this._latlng.lat,
- map = this._map,
- crs = map.options.crs;
-
- if (crs.distance === L.CRS.Earth.distance) {
- var d = Math.PI / 180,
- latR = (this._mRadius / L.CRS.Earth.R) / d,
- top = map.project([lat + latR, lng]),
- bottom = map.project([lat - latR, lng]),
- p = top.add(bottom).divideBy(2),
- lat2 = map.unproject(p).lat,
- lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) /
- (Math.cos(lat * d) * Math.cos(lat2 * d))) / d;
-
- if (isNaN(lngR) || lngR === 0) {
- lngR = latR / Math.cos(Math.PI / 180 * lat);
- }
-
- this._point = p.subtract(map.getPixelOrigin());
- this._radius = isNaN(lngR) ? 0 : Math.max(Math.round(p.x - map.project([lat2, lng - lngR]).x), 1);
- this._radiusY = Math.max(Math.round(p.y - top.y), 1);
-
- } else {
- var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0]));
-
- this._point = map.latLngToLayerPoint(this._latlng);
- this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x;
- }
-
- this._updateBounds();
- }
- });
-
-
-
-
-
-
-
-
- L.circle = function (latlng, options, legacyOptions) {
- return new L.Circle(latlng, options, legacyOptions);
- };
-
-
-
-
-
- L.SVG = L.Renderer.extend({
-
- getEvents: function () {
- var events = L.Renderer.prototype.getEvents.call(this);
- events.zoomstart = this._onZoomStart;
- return events;
- },
-
- _initContainer: function () {
- this._container = L.SVG.create('svg');
-
-
- this._container.setAttribute('pointer-events', 'none');
-
- this._rootGroup = L.SVG.create('g');
- this._container.appendChild(this._rootGroup);
- },
-
- _onZoomStart: function () {
-
-
-
- this._update();
- },
-
- _update: function () {
- if (this._map._animatingZoom && this._bounds) { return; }
-
- L.Renderer.prototype._update.call(this);
-
- var b = this._bounds,
- size = b.getSize(),
- container = this._container;
-
-
- if (!this._svgSize || !this._svgSize.equals(size)) {
- this._svgSize = size;
- container.setAttribute('width', size.x);
- container.setAttribute('height', size.y);
- }
-
-
- L.DomUtil.setPosition(container, b.min);
- container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' '));
-
- this.fire('update');
- },
-
-
-
- _initPath: function (layer) {
- var path = layer._path = L.SVG.create('path');
-
-
-
-
- if (layer.options.className) {
- L.DomUtil.addClass(path, layer.options.className);
- }
-
- if (layer.options.interactive) {
- L.DomUtil.addClass(path, 'leaflet-interactive');
- }
-
- this._updateStyle(layer);
- this._layers[L.stamp(layer)] = layer;
- },
-
- _addPath: function (layer) {
- this._rootGroup.appendChild(layer._path);
- layer.addInteractiveTarget(layer._path);
- },
-
- _removePath: function (layer) {
- L.DomUtil.remove(layer._path);
- layer.removeInteractiveTarget(layer._path);
- delete this._layers[L.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, L.SVG.pointsToPath(layer._parts, closed));
- },
-
- _updateCircle: function (layer) {
- var p = layer._point,
- r = layer._radius,
- r2 = layer._radiusY || r,
- arc = 'a' + r + ',' + r2 + ' 0 1,0 ';
-
-
- 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);
- },
-
-
- _bringToFront: function (layer) {
- L.DomUtil.toFront(layer._path);
- },
-
- _bringToBack: function (layer) {
- L.DomUtil.toBack(layer._path);
- }
- });
-
-
-
-
- L.extend(L.SVG, {
-
-
-
-
- create: function (name) {
- return document.createElementNS('http://www.w3.org/2000/svg', name);
- },
-
-
-
-
- pointsToPath: function (rings, closed) {
- var str = '',
- i, j, len, len2, points, p;
-
- for (i = 0, len = rings.length; i < len; i++) {
- points = rings[i];
-
- for (j = 0, len2 = points.length; j < len2; j++) {
- p = points[j];
- str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
- }
-
-
- str += closed ? (L.Browser.svg ? 'z' : 'x') : '';
- }
-
-
- return str || 'M0 0';
- }
- });
-
-
-
- L.Browser.svg = !!(document.createElementNS && L.SVG.create('svg').createSVGRect);
-
-
-
-
-
- L.svg = function (options) {
- return L.Browser.svg || L.Browser.vml ? new L.SVG(options) : null;
- };
-
-
-
-
-
-
-
-
-
- L.Browser.vml = !L.Browser.svg && (function () {
- try {
- var div = document.createElement('div');
- div.innerHTML = '<v:shape adj="1"/>';
-
- var shape = div.firstChild;
- shape.style.behavior = 'url(#default#VML)';
-
- return shape && (typeof shape.adj === 'object');
-
- } catch (e) {
- return false;
- }
- }());
-
-
- L.SVG.include(!L.Browser.vml ? {} : {
-
- _initContainer: function () {
- this._container = L.DomUtil.create('div', 'leaflet-vml-container');
- },
-
- _update: function () {
- if (this._map._animatingZoom) { return; }
- L.Renderer.prototype._update.call(this);
- this.fire('update');
- },
-
- _initPath: function (layer) {
- var container = layer._container = L.SVG.create('shape');
-
- L.DomUtil.addClass(container, 'leaflet-vml-shape ' + (this.options.className || ''));
-
- container.coordsize = '1 1';
-
- layer._path = L.SVG.create('path');
- container.appendChild(layer._path);
-
- this._updateStyle(layer);
- this._layers[L.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;
- L.DomUtil.remove(container);
- layer.removeInteractiveTarget(container);
- delete this._layers[L.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 = L.SVG.create('stroke');
- }
- container.appendChild(stroke);
- stroke.weight = options.weight + 'px';
- stroke.color = options.color;
- stroke.opacity = options.opacity;
-
- if (options.dashArray) {
- stroke.dashStyle = L.Util.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 = L.SVG.create('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) {
- L.DomUtil.toFront(layer._container);
- },
-
- _bringToBack: function (layer) {
- L.DomUtil.toBack(layer._container);
- }
- });
-
- if (L.Browser.vml) {
- L.SVG.create = (function () {
- try {
- document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
- return function (name) {
- return document.createElement('<lvml:' + name + ' class="lvml">');
- };
- } catch (e) {
- return function (name) {
- return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
- };
- }
- })();
- }
-
-
-
-
-
- L.Canvas = L.Renderer.extend({
- getEvents: function () {
- var events = L.Renderer.prototype.getEvents.call(this);
- events.viewprereset = this._onViewPreReset;
- return events;
- },
-
- _onViewPreReset: function () {
-
- this._postponeUpdatePaths = true;
- },
-
- onAdd: function () {
- L.Renderer.prototype.onAdd.call(this);
-
-
-
- this._draw();
- },
-
- _initContainer: function () {
- var container = this._container = document.createElement('canvas');
-
- L.DomEvent
- .on(container, 'mousemove', L.Util.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');
- },
-
- _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; }
-
- this._drawnLayers = {};
-
- L.Renderer.prototype._update.call(this);
-
- var b = this._bounds,
- container = this._container,
- size = b.getSize(),
- m = L.Browser.retina ? 2 : 1;
-
- L.DomUtil.setPosition(container, b.min);
-
-
- container.width = m * size.x;
- container.height = m * size.y;
- container.style.width = size.x + 'px';
- container.style.height = size.y + 'px';
-
- if (L.Browser.retina) {
- this._ctx.scale(2, 2);
- }
-
-
- this._ctx.translate(-b.min.x, -b.min.y);
-
-
- this.fire('update');
- },
-
- _reset: function () {
- L.Renderer.prototype._reset.call(this);
-
- if (this._postponeUpdatePaths) {
- this._postponeUpdatePaths = false;
- this._updatePaths();
- }
- },
-
- _initPath: function (layer) {
- this._updateDashArray(layer);
- this._layers[L.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[L.stamp(layer)];
-
- this._requestRedraw(layer);
- },
-
- _updatePath: function (layer) {
-
-
- this._extendRedrawBounds(layer);
- layer._project();
- layer._update();
-
-
- this._requestRedraw(layer);
- },
-
- _updateStyle: function (layer) {
- this._updateDashArray(layer);
- this._requestRedraw(layer);
- },
-
- _updateDashArray: function (layer) {
- if (layer.options.dashArray) {
- var parts = layer.options.dashArray.split(','),
- dashArray = [],
- i;
- for (i = 0; i < parts.length; i++) {
- dashArray.push(Number(parts[i]));
- }
- layer.options._dashArray = dashArray;
- }
- },
-
- _requestRedraw: function (layer) {
- if (!this._map) { return; }
-
- this._extendRedrawBounds(layer);
- this._redrawRequest = this._redrawRequest || L.Util.requestAnimFrame(this._redraw, this);
- },
-
- _extendRedrawBounds: function (layer) {
- var padding = (layer.options.weight || 0) + 1;
- this._redrawBounds = this._redrawBounds || new L.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();
- this._draw();
-
- 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();
- },
-
- _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; }
-
- this._drawnLayers[layer._leaflet_id] = layer;
-
- ctx.beginPath();
-
- if (ctx.setLineDash) {
- ctx.setLineDash(layer.options && layer.options._dashArray || []);
- }
-
- 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);
-
-
- },
-
- _updateCircle: function (layer) {
-
- if (!this._drawing || layer._empty()) { return; }
-
- var p = layer._point,
- ctx = this._ctx,
- r = layer._radius,
- s = (layer._radiusY || r) / r;
-
- this._drawnLayers[layer._leaflet_id] = layer;
-
- 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) {
- ctx.globalAlpha = options.opacity;
- ctx.lineWidth = options.weight;
- ctx.strokeStyle = options.color;
- ctx.lineCap = options.lineCap;
- ctx.lineJoin = options.lineJoin;
- ctx.stroke();
- }
- },
-
-
-
-
- _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) {
- L.DomEvent._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) {
-
- L.DomUtil.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) {
- L.DomUtil.addClass(this._container, 'leaflet-interactive');
- 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;
- var next = order.next;
- var prev = order.prev;
-
- if (next) {
- next.prev = prev;
- } else {
-
- return;
- }
- if (prev) {
- prev.next = next;
- } else if (next) {
-
-
- 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;
- var next = order.next;
- var prev = order.prev;
-
- if (prev) {
- prev.next = next;
- } else {
-
- return;
- }
- if (next) {
- next.prev = prev;
- } else if (prev) {
-
-
- this._drawLast = prev;
- }
-
- order.prev = null;
-
- order.next = this._drawFirst;
- this._drawFirst.prev = order;
- this._drawFirst = order;
-
- this._requestRedraw(layer);
- }
- });
-
-
-
- L.Browser.canvas = (function () {
- return !!document.createElement('canvas').getContext;
- }());
-
-
-
-
- L.canvas = function (options) {
- return L.Browser.canvas ? new L.Canvas(options) : null;
- };
-
- L.Polyline.prototype._containsPoint = function (p, closed) {
- var i, j, k, len, len2, part,
- w = this._clickTolerance();
-
- if (!this._pxBounds.contains(p)) { return false; }
-
-
- for (i = 0, len = this._parts.length; i < len; i++) {
- part = this._parts[i];
-
- for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
- if (!closed && (j === 0)) { continue; }
-
- if (L.LineUtil.pointToSegmentDistance(p, part[k], part[j]) <= w) {
- return true;
- }
- }
- }
- return false;
- };
-
- L.Polygon.prototype._containsPoint = function (p) {
- var inside = false,
- part, p1, p2, i, j, k, len, len2;
-
- if (!this._pxBounds.contains(p)) { return false; }
-
-
- for (i = 0, len = this._parts.length; i < len; i++) {
- part = this._parts[i];
-
- for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
- p1 = part[j];
- p2 = part[k];
-
- if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {
- inside = !inside;
- }
- }
- }
-
-
- return inside || L.Polyline.prototype._containsPoint.call(this, p, true);
- };
-
- L.CircleMarker.prototype._containsPoint = function (p) {
- return p.distanceTo(this._point) <= this._radius + this._clickTolerance();
- };
-
-
-
-
-
- L.GeoJSON = L.FeatureGroup.extend({
-
-
-
-
- initialize: function (geojson, options) {
- L.setOptions(this, options);
-
- this._layers = {};
-
- if (geojson) {
- this.addData(geojson);
- }
- },
-
-
-
- addData: function (geojson) {
- var features = L.Util.isArray(geojson) ? geojson : geojson.features,
- i, len, feature;
-
- if (features) {
- for (i = 0, len = features.length; i < len; i++) {
-
- 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 = L.GeoJSON.geometryToLayer(geojson, options);
- if (!layer) {
- return this;
- }
- layer.feature = L.GeoJSON.asFeature(geojson);
-
- layer.defaultOptions = layer.options;
- this.resetStyle(layer);
-
- if (options.onEachFeature) {
- options.onEachFeature(geojson, layer);
- }
-
- return this.addLayer(layer);
- },
-
-
-
- resetStyle: function (layer) {
-
- layer.options = L.Util.extend({}, layer.defaultOptions);
- this._setLayerStyle(layer, this.options.style);
- return this;
- },
-
-
-
- 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);
- }
- }
- });
-
-
-
- L.extend(L.GeoJSON, {
-
-
-
-
- geometryToLayer: function (geojson, options) {
-
- var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
- coords = geometry ? geometry.coordinates : null,
- layers = [],
- pointToLayer = options && options.pointToLayer,
- coordsToLatLng = options && options.coordsToLatLng || this.coordsToLatLng,
- latlng, latlngs, i, len;
-
- if (!coords && !geometry) {
- return null;
- }
-
- switch (geometry.type) {
- case 'Point':
- latlng = coordsToLatLng(coords);
- return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
-
- case 'MultiPoint':
- for (i = 0, len = coords.length; i < len; i++) {
- latlng = coordsToLatLng(coords[i]);
- layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng));
- }
- return new L.FeatureGroup(layers);
-
- case 'LineString':
- case 'MultiLineString':
- latlngs = this.coordsToLatLngs(coords, geometry.type === 'LineString' ? 0 : 1, coordsToLatLng);
- return new L.Polyline(latlngs, options);
-
- case 'Polygon':
- case 'MultiPolygon':
- latlngs = this.coordsToLatLngs(coords, geometry.type === 'Polygon' ? 1 : 2, coordsToLatLng);
- return new L.Polygon(latlngs, options);
-
- case 'GeometryCollection':
- for (i = 0, len = geometry.geometries.length; i < len; i++) {
- var layer = this.geometryToLayer({
- geometry: geometry.geometries[i],
- type: 'Feature',
- properties: geojson.properties
- }, options);
-
- if (layer) {
- layers.push(layer);
- }
- }
- return new L.FeatureGroup(layers);
-
- default:
- throw new Error('Invalid GeoJSON object.');
- }
- },
-
-
-
-
- coordsToLatLng: function (coords) {
- return new L.LatLng(coords[1], coords[0], coords[2]);
- },
-
-
-
-
-
- coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) {
- var latlngs = [];
-
- for (var i = 0, len = coords.length, latlng; i < len; i++) {
- latlng = levelsDeep ?
- this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
- (coordsToLatLng || this.coordsToLatLng)(coords[i]);
-
- latlngs.push(latlng);
- }
-
- return latlngs;
- },
-
-
-
- latLngToCoords: function (latlng) {
- return latlng.alt !== undefined ?
- [latlng.lng, latlng.lat, latlng.alt] :
- [latlng.lng, latlng.lat];
- },
-
-
-
-
- latLngsToCoords: function (latlngs, levelsDeep, closed) {
- var coords = [];
-
- for (var i = 0, len = latlngs.length; i < len; i++) {
- coords.push(levelsDeep ?
- L.GeoJSON.latLngsToCoords(latlngs[i], levelsDeep - 1, closed) :
- L.GeoJSON.latLngToCoords(latlngs[i]));
- }
-
- if (!levelsDeep && closed) {
- coords.push(coords[0]);
- }
-
- return coords;
- },
-
- getFeature: function (layer, newGeometry) {
- return layer.feature ?
- L.extend({}, layer.feature, {geometry: newGeometry}) :
- L.GeoJSON.asFeature(newGeometry);
- },
-
-
-
- asFeature: function (geojson) {
- if (geojson.type === 'Feature' || geojson.type === 'FeatureCollection') {
- return geojson;
- }
-
- return {
- type: 'Feature',
- properties: {},
- geometry: geojson
- };
- }
- });
-
- var PointToGeoJSON = {
- toGeoJSON: function () {
- return L.GeoJSON.getFeature(this, {
- type: 'Point',
- coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
- });
- }
- };
-
-
-
-
- L.Marker.include(PointToGeoJSON);
-
-
-
-
- L.Circle.include(PointToGeoJSON);
- L.CircleMarker.include(PointToGeoJSON);
-
-
-
-
-
- L.Polyline.prototype.toGeoJSON = function () {
- var multi = !L.Polyline._flat(this._latlngs);
-
- var coords = L.GeoJSON.latLngsToCoords(this._latlngs, multi ? 1 : 0);
-
- return L.GeoJSON.getFeature(this, {
- type: (multi ? 'Multi' : '') + 'LineString',
- coordinates: coords
- });
- };
-
-
-
-
- L.Polygon.prototype.toGeoJSON = function () {
- var holes = !L.Polyline._flat(this._latlngs),
- multi = holes && !L.Polyline._flat(this._latlngs[0]);
-
- var coords = L.GeoJSON.latLngsToCoords(this._latlngs, multi ? 2 : holes ? 1 : 0, true);
-
- if (!holes) {
- coords = [coords];
- }
-
- return L.GeoJSON.getFeature(this, {
- type: (multi ? 'Multi' : '') + 'Polygon',
- coordinates: coords
- });
- };
-
-
-
- L.LayerGroup.include({
- toMultiPoint: function () {
- var coords = [];
-
- this.eachLayer(function (layer) {
- coords.push(layer.toGeoJSON().geometry.coordinates);
- });
-
- return L.GeoJSON.getFeature(this, {
- type: 'MultiPoint',
- coordinates: coords
- });
- },
-
-
-
- toGeoJSON: function () {
-
- var type = this.feature && this.feature.geometry && this.feature.geometry.type;
-
- if (type === 'MultiPoint') {
- return this.toMultiPoint();
- }
-
- var isGeometryCollection = type === 'GeometryCollection',
- jsons = [];
-
- this.eachLayer(function (layer) {
- if (layer.toGeoJSON) {
- var json = layer.toGeoJSON();
- jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json));
- }
- });
-
- if (isGeometryCollection) {
- return L.GeoJSON.getFeature(this, {
- geometries: jsons,
- type: 'GeometryCollection'
- });
- }
-
- return {
- type: 'FeatureCollection',
- features: jsons
- };
- }
- });
-
-
-
-
-
-
- L.geoJSON = function (geojson, options) {
- return new L.GeoJSON(geojson, options);
- };
-
- L.geoJson = L.geoJSON;
-
-
-
-
-
- L.Draggable = L.Evented.extend({
-
- options: {
-
-
-
- clickTolerance: 3
- },
-
- statics: {
- START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
- END: {
- mousedown: 'mouseup',
- touchstart: 'touchend',
- pointerdown: 'touchend',
- MSPointerDown: 'touchend'
- },
- MOVE: {
- mousedown: 'mousemove',
- touchstart: 'touchmove',
- pointerdown: 'touchmove',
- MSPointerDown: 'touchmove'
- }
- },
-
-
-
- initialize: function (element, dragStartTarget, preventOutline) {
- this._element = element;
- this._dragStartTarget = dragStartTarget || element;
- this._preventOutline = preventOutline;
- },
-
-
-
- enable: function () {
- if (this._enabled) { return; }
-
- L.DomEvent.on(this._dragStartTarget, L.Draggable.START.join(' '), this._onDown, this);
-
- this._enabled = true;
- },
-
-
-
- disable: function () {
- if (!this._enabled) { return; }
-
-
-
- if (L.Draggable._dragging === this) {
- this.finishDrag();
- }
-
- L.DomEvent.off(this._dragStartTarget, L.Draggable.START.join(' '), this._onDown, this);
-
- this._enabled = false;
- this._moved = false;
- },
-
- _onDown: function (e) {
-
-
-
-
-
- if (e._simulated || !this._enabled) { return; }
-
- this._moved = false;
-
- if (L.DomUtil.hasClass(this._element, 'leaflet-zoom-anim')) { return; }
-
- if (L.Draggable._dragging || e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
- L.Draggable._dragging = this;
-
- if (this._preventOutline) {
- L.DomUtil.preventOutline(this._element);
- }
-
- L.DomUtil.disableImageDrag();
- L.DomUtil.disableTextSelection();
-
- if (this._moving) { return; }
-
-
-
- this.fire('down');
-
- var first = e.touches ? e.touches[0] : e;
-
- this._startPoint = new L.Point(first.clientX, first.clientY);
-
- L.DomEvent
- .on(document, L.Draggable.MOVE[e.type], this._onMove, this)
- .on(document, L.Draggable.END[e.type], this._onUp, this);
- },
-
- _onMove: function (e) {
-
-
-
-
-
- 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),
- newPoint = new L.Point(first.clientX, first.clientY),
- offset = newPoint.subtract(this._startPoint);
-
- if (!offset.x && !offset.y) { return; }
- if (Math.abs(offset.x) + Math.abs(offset.y) < this.options.clickTolerance) { return; }
-
- L.DomEvent.preventDefault(e);
-
- if (!this._moved) {
-
-
- this.fire('dragstart');
-
- this._moved = true;
- this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);
-
- L.DomUtil.addClass(document.body, 'leaflet-dragging');
-
- this._lastTarget = e.target || e.srcElement;
-
-
- if ((window.SVGElementInstance) && (this._lastTarget instanceof SVGElementInstance)) {
- this._lastTarget = this._lastTarget.correspondingUseElement;
- }
- L.DomUtil.addClass(this._lastTarget, 'leaflet-drag-target');
- }
-
- this._newPos = this._startPos.add(offset);
- this._moving = true;
-
- L.Util.cancelAnimFrame(this._animRequest);
- this._lastEvent = e;
- this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true);
- },
-
- _updatePosition: function () {
- var e = {originalEvent: this._lastEvent};
-
-
-
-
- this.fire('predrag', e);
- L.DomUtil.setPosition(this._element, this._newPos);
-
-
-
- this.fire('drag', e);
- },
-
- _onUp: function (e) {
-
-
-
-
-
- if (e._simulated || !this._enabled) { return; }
- this.finishDrag();
- },
-
- finishDrag: function () {
- L.DomUtil.removeClass(document.body, 'leaflet-dragging');
-
- if (this._lastTarget) {
- L.DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target');
- this._lastTarget = null;
- }
-
- for (var i in L.Draggable.MOVE) {
- L.DomEvent
- .off(document, L.Draggable.MOVE[i], this._onMove, this)
- .off(document, L.Draggable.END[i], this._onUp, this);
- }
-
- L.DomUtil.enableImageDrag();
- L.DomUtil.enableTextSelection();
-
- if (this._moved && this._moving) {
-
- L.Util.cancelAnimFrame(this._animRequest);
-
-
-
- this.fire('dragend', {
- distance: this._newPos.distanceTo(this._startPos)
- });
- }
-
- this._moving = false;
- L.Draggable._dragging = false;
- }
-
- });
-
-
-
-
-
-
-
-
-
- L.Handler = L.Class.extend({
- initialize: function (map) {
- this._map = map;
- },
-
-
-
- enable: function () {
- if (this._enabled) { return this; }
-
- this._enabled = true;
- this.addHooks();
- return this;
- },
-
-
-
- disable: function () {
- if (!this._enabled) { return this; }
-
- this._enabled = false;
- this.removeHooks();
- return this;
- },
-
-
-
- enabled: function () {
- return !!this._enabled;
- }
-
-
-
-
-
-
-
- });
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
- dragging: true,
-
-
-
-
-
-
-
- inertia: !L.Browser.android23,
-
-
-
- inertiaDeceleration: 3400,
-
-
-
- inertiaMaxSpeed: Infinity,
-
-
- easeLinearity: 0.2,
-
-
-
-
-
-
- worldCopyJump: false,
-
-
-
-
-
-
-
- maxBoundsViscosity: 0.0
- });
-
- L.Map.Drag = L.Handler.extend({
- addHooks: function () {
- if (!this._draggable) {
- var map = this._map;
-
- this._draggable = new L.Draggable(map._mapPane, map._container);
-
- this._draggable.on({
- down: this._onDown,
- 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);
- }
- }
- L.DomUtil.addClass(this._map._container, 'leaflet-grab leaflet-touch-drag');
- this._draggable.enable();
- this._positions = [];
- this._times = [];
- },
-
- removeHooks: function () {
- L.DomUtil.removeClass(this._map._container, 'leaflet-grab');
- L.DomUtil.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;
- },
-
- _onDown: function () {
- this._map._stop();
- },
-
- _onDragStart: function () {
- var map = this._map;
-
- if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) {
- var bounds = L.latLngBounds(this._map.options.maxBounds);
-
- this._offsetLimit = L.bounds(
- 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);
-
- if (time - this._times[0] > 50) {
- this._positions.shift();
- this._times.shift();
- }
- }
-
- this._map
- .fire('move', e)
- .fire('drag', e);
- },
-
- _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 () {
-
- 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 {
-
- 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);
-
- L.Util.requestAnimFrame(function () {
- map.panBy(offset, {
- duration: decelerationDuration,
- easeLinearity: ease,
- noMoveStart: true,
- animate: true
- });
- });
- }
- }
- }
- });
-
-
-
-
- L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);
-
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
-
-
- doubleClickZoom: true
- });
-
- L.Map.DoubleClickZoom = L.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);
- }
- }
- });
-
-
-
-
-
-
-
-
-
-
-
-
-
- L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
-
- scrollWheelZoom: true,
-
-
-
-
- wheelDebounceTime: 40,
-
-
-
-
-
- wheelPxPerZoomLevel: 60
- });
-
- L.Map.ScrollWheelZoom = L.Handler.extend({
- addHooks: function () {
- L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
-
- this._delta = 0;
- },
-
- removeHooks: function () {
- L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll, this);
- },
-
- _onWheelScroll: function (e) {
- var delta = L.DomEvent.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(L.bind(this._performZoom, this), left);
-
- L.DomEvent.stop(e);
- },
-
- _performZoom: function () {
- var map = this._map,
- zoom = map.getZoom(),
- snap = this._map.options.zoomSnap || 0;
-
- map._stop();
-
-
- 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);
- }
- }
- });
-
-
-
-
- L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
-
-
-
-
-
- L.extend(L.DomEvent, {
-
- _touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart',
- _touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend',
-
-
- addDoubleTapListener: function (obj, handler, id) {
- var last, touch,
- doubleTap = false,
- delay = 250;
-
- function onTouchStart(e) {
- var count;
-
- if (L.Browser.pointer) {
- if ((!L.Browser.edge) || e.pointerType === 'mouse') { return; }
- count = L.DomEvent._pointersCount;
- } else {
- count = e.touches.length;
- }
-
- if (count > 1) { return; }
-
- var now = Date.now(),
- delta = now - (last || now);
-
- touch = e.touches ? e.touches[0] : e;
- doubleTap = (delta > 0 && delta <= delay);
- last = now;
- }
-
- function onTouchEnd(e) {
- if (doubleTap && !touch.cancelBubble) {
- if (L.Browser.pointer) {
- if ((!L.Browser.edge) || e.pointerType === 'mouse') { return; }
-
-
- var newTouch = {},
- prop, i;
-
- for (i in touch) {
- prop = touch[i];
- newTouch[i] = prop && prop.bind ? prop.bind(touch) : prop;
- }
- touch = newTouch;
- }
- touch.type = 'dblclick';
- handler(touch);
- last = null;
- }
- }
-
- var pre = '_leaflet_',
- touchstart = this._touchstart,
- touchend = this._touchend;
-
- obj[pre + touchstart + id] = onTouchStart;
- obj[pre + touchend + id] = onTouchEnd;
- obj[pre + 'dblclick' + id] = handler;
-
- obj.addEventListener(touchstart, onTouchStart, false);
- obj.addEventListener(touchend, onTouchEnd, false);
-
-
-
-
-
- obj.addEventListener('dblclick', handler, false);
-
- return this;
- },
-
- removeDoubleTapListener: function (obj, id) {
- var pre = '_leaflet_',
- touchstart = obj[pre + this._touchstart + id],
- touchend = obj[pre + this._touchend + id],
- dblclick = obj[pre + 'dblclick' + id];
-
- obj.removeEventListener(this._touchstart, touchstart, false);
- obj.removeEventListener(this._touchend, touchend, false);
- if (!L.Browser.edge) {
- obj.removeEventListener('dblclick', dblclick, false);
- }
-
- return this;
- }
- });
-
-
-
-
-
- L.extend(L.DomEvent, {
-
- POINTER_DOWN: L.Browser.msPointer ? 'MSPointerDown' : 'pointerdown',
- POINTER_MOVE: L.Browser.msPointer ? 'MSPointerMove' : 'pointermove',
- POINTER_UP: L.Browser.msPointer ? 'MSPointerUp' : 'pointerup',
- POINTER_CANCEL: L.Browser.msPointer ? 'MSPointerCancel' : 'pointercancel',
- TAG_WHITE_LIST: ['INPUT', 'SELECT', 'OPTION'],
-
- _pointers: {},
- _pointersCount: 0,
-
-
-
-
- addPointerListener: function (obj, type, handler, id) {
-
- if (type === 'touchstart') {
- this._addPointerStart(obj, handler, id);
-
- } else if (type === 'touchmove') {
- this._addPointerMove(obj, handler, id);
-
- } else if (type === 'touchend') {
- this._addPointerEnd(obj, handler, id);
- }
-
- return this;
- },
-
- removePointerListener: function (obj, type, id) {
- var handler = obj['_leaflet_' + type + id];
-
- if (type === 'touchstart') {
- obj.removeEventListener(this.POINTER_DOWN, handler, false);
-
- } else if (type === 'touchmove') {
- obj.removeEventListener(this.POINTER_MOVE, handler, false);
-
- } else if (type === 'touchend') {
- obj.removeEventListener(this.POINTER_UP, handler, false);
- obj.removeEventListener(this.POINTER_CANCEL, handler, false);
- }
-
- return this;
- },
-
- _addPointerStart: function (obj, handler, id) {
- var onDown = L.bind(function (e) {
- if (e.pointerType !== 'mouse' && e.MSPOINTER_TYPE_MOUSE && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) {
-
-
-
- if (this.TAG_WHITE_LIST.indexOf(e.target.tagName) < 0) {
- L.DomEvent.preventDefault(e);
- } else {
- return;
- }
- }
-
- this._handlePointer(e, handler);
- }, this);
-
- obj['_leaflet_touchstart' + id] = onDown;
- obj.addEventListener(this.POINTER_DOWN, onDown, false);
-
-
- if (!this._pointerDocListener) {
- var pointerUp = L.bind(this._globalPointerUp, this);
-
-
- document.documentElement.addEventListener(this.POINTER_DOWN, L.bind(this._globalPointerDown, this), true);
- document.documentElement.addEventListener(this.POINTER_MOVE, L.bind(this._globalPointerMove, this), true);
- document.documentElement.addEventListener(this.POINTER_UP, pointerUp, true);
- document.documentElement.addEventListener(this.POINTER_CANCEL, pointerUp, true);
-
- this._pointerDocListener = true;
- }
- },
-
- _globalPointerDown: function (e) {
- this._pointers[e.pointerId] = e;
- this._pointersCount++;
- },
-
- _globalPointerMove: function (e) {
- if (this._pointers[e.pointerId]) {
- this._pointers[e.pointerId] = e;
- }
- },
-
- _globalPointerUp: function (e) {
- delete this._pointers[e.pointerId];
- this._pointersCount--;
- },
-
- _handlePointer: function (e, handler) {
- e.touches = [];
- for (var i in this._pointers) {
- e.touches.push(this._pointers[i]);
- }
- e.changedTouches = [e];
-
- handler(e);
- },
-
- _addPointerMove: function (obj, handler, id) {
- var onMove = L.bind(function (e) {
-
- if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; }
-
- this._handlePointer(e, handler);
- }, this);
-
- obj['_leaflet_touchmove' + id] = onMove;
- obj.addEventListener(this.POINTER_MOVE, onMove, false);
- },
-
- _addPointerEnd: function (obj, handler, id) {
- var onUp = L.bind(function (e) {
- this._handlePointer(e, handler);
- }, this);
-
- obj['_leaflet_touchend' + id] = onUp;
- obj.addEventListener(this.POINTER_UP, onUp, false);
- obj.addEventListener(this.POINTER_CANCEL, onUp, false);
- }
- });
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
-
-
-
- touchZoom: L.Browser.touch && !L.Browser.android23,
-
-
-
-
- bounceAtZoomLimits: true
- });
-
- L.Map.TouchZoom = L.Handler.extend({
- addHooks: function () {
- L.DomUtil.addClass(this._map._container, 'leaflet-touch-zoom');
- L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);
- },
-
- removeHooks: function () {
- L.DomUtil.removeClass(this._map._container, 'leaflet-touch-zoom');
- L.DomEvent.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();
-
- L.DomEvent
- .on(document, 'touchmove', this._onTouchMove, this)
- .on(document, 'touchend', this._onTouchEnd, this);
-
- L.DomEvent.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 {
-
- 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);
- this._moved = true;
- }
-
- L.Util.cancelAnimFrame(this._animRequest);
-
- var moveFn = L.bind(map._move, map, this._center, this._zoom, {pinch: true, round: false});
- this._animRequest = L.Util.requestAnimFrame(moveFn, this, true);
-
- L.DomEvent.preventDefault(e);
- },
-
- _onTouchEnd: function () {
- if (!this._moved || !this._zooming) {
- this._zooming = false;
- return;
- }
-
- this._zooming = false;
- L.Util.cancelAnimFrame(this._animRequest);
-
- L.DomEvent
- .off(document, 'touchmove', this._onTouchMove)
- .off(document, 'touchend', this._onTouchEnd);
-
-
- 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));
- }
- }
- });
-
-
-
-
- L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
-
- tap: true,
-
-
-
-
- tapTolerance: 15
- });
-
- L.Map.Tap = L.Handler.extend({
- addHooks: function () {
- L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this);
- },
-
- removeHooks: function () {
- L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this);
- },
-
- _onDown: function (e) {
- if (!e.touches) { return; }
-
- L.DomEvent.preventDefault(e);
-
- this._fireClick = true;
-
-
- 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 L.Point(first.clientX, first.clientY);
-
-
- if (el.tagName && el.tagName.toLowerCase() === 'a') {
- L.DomUtil.addClass(el, 'leaflet-active');
- }
-
-
- this._holdTimeout = setTimeout(L.bind(function () {
- if (this._isTapValid()) {
- this._fireClick = false;
- this._onUp();
- this._simulateEvent('contextmenu', first);
- }
- }, this), 1000);
-
- this._simulateEvent('mousedown', first);
-
- L.DomEvent.on(document, {
- touchmove: this._onMove,
- touchend: this._onUp
- }, this);
- },
-
- _onUp: function (e) {
- clearTimeout(this._holdTimeout);
-
- L.DomEvent.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') {
- L.DomUtil.removeClass(el, 'leaflet-active');
- }
-
- this._simulateEvent('mouseup', first);
-
-
- 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 L.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);
- }
- });
-
-
-
-
- if (L.Browser.touch && !L.Browser.pointer) {
- L.Map.addInitHook('addHandler', 'tap', L.Map.Tap);
- }
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
- boxZoom: true
- });
-
- L.Map.BoxZoom = L.Handler.extend({
- initialize: function (map) {
- this._map = map;
- this._container = map._container;
- this._pane = map._panes.overlayPane;
- },
-
- addHooks: function () {
- L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this);
- },
-
- removeHooks: function () {
- L.DomEvent.off(this._container, 'mousedown', this._onMouseDown, this);
- },
-
- moved: function () {
- return this._moved;
- },
-
- _resetState: function () {
- this._moved = false;
- },
-
- _onMouseDown: function (e) {
- if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
-
- this._resetState();
-
- L.DomUtil.disableTextSelection();
- L.DomUtil.disableImageDrag();
-
- this._startPoint = this._map.mouseEventToContainerPoint(e);
-
- L.DomEvent.on(document, {
- contextmenu: L.DomEvent.stop,
- mousemove: this._onMouseMove,
- mouseup: this._onMouseUp,
- keydown: this._onKeyDown
- }, this);
- },
-
- _onMouseMove: function (e) {
- if (!this._moved) {
- this._moved = true;
-
- this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._container);
- L.DomUtil.addClass(this._container, 'leaflet-crosshair');
-
- this._map.fire('boxzoomstart');
- }
-
- this._point = this._map.mouseEventToContainerPoint(e);
-
- var bounds = new L.Bounds(this._point, this._startPoint),
- size = bounds.getSize();
-
- L.DomUtil.setPosition(this._box, bounds.min);
-
- this._box.style.width = size.x + 'px';
- this._box.style.height = size.y + 'px';
- },
-
- _finish: function () {
- if (this._moved) {
- L.DomUtil.remove(this._box);
- L.DomUtil.removeClass(this._container, 'leaflet-crosshair');
- }
-
- L.DomUtil.enableTextSelection();
- L.DomUtil.enableImageDrag();
-
- L.DomEvent.off(document, {
- contextmenu: L.DomEvent.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; }
-
-
- setTimeout(L.bind(this._resetState, this), 0);
-
- var bounds = new L.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();
- }
- }
- });
-
-
-
-
- L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
-
-
-
-
-
-
-
- L.Map.mergeOptions({
-
-
-
- keyboard: true,
-
-
-
- keyboardPanDelta: 80
- });
-
- L.Map.Keyboard = L.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;
-
-
- if (container.tabIndex <= 0) {
- container.tabIndex = '0';
- }
-
- L.DomEvent.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();
-
- L.DomEvent.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 () {
- L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
- },
-
- _removeHooks: function () {
- L.DomEvent.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) { return; }
-
- offset = this._panKeys[key];
- if (e.shiftKey) {
- offset = L.point(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.closePopup();
-
- } else {
- return;
- }
-
- L.DomEvent.stop(e);
- }
- });
-
-
-
-
-
- L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);
-
-
-
-
-
-
-
-
- L.Handler.MarkerDrag = L.Handler.extend({
- initialize: function (marker) {
- this._marker = marker;
- },
-
- addHooks: function () {
- var icon = this._marker._icon;
-
- if (!this._draggable) {
- this._draggable = new L.Draggable(icon, icon, true);
- }
-
- this._draggable.on({
- dragstart: this._onDragStart,
- drag: this._onDrag,
- dragend: this._onDragEnd
- }, this).enable();
-
- L.DomUtil.addClass(icon, 'leaflet-marker-draggable');
- },
-
- removeHooks: function () {
- this._draggable.off({
- dragstart: this._onDragStart,
- drag: this._onDrag,
- dragend: this._onDragEnd
- }, this).disable();
-
- if (this._marker._icon) {
- L.DomUtil.removeClass(this._marker._icon, 'leaflet-marker-draggable');
- }
- },
-
- moved: function () {
- return this._draggable && this._draggable._moved;
- },
-
- _onDragStart: function () {
-
-
-
-
-
-
-
- this._oldLatLng = this._marker.getLatLng();
- this._marker
- .closePopup()
- .fire('movestart')
- .fire('dragstart');
- },
-
- _onDrag: function (e) {
- var marker = this._marker,
- shadow = marker._shadow,
- iconPos = L.DomUtil.getPosition(marker._icon),
- latlng = marker._map.layerPointToLatLng(iconPos);
-
-
- if (shadow) {
- L.DomUtil.setPosition(shadow, iconPos);
- }
-
- marker._latlng = latlng;
- e.latlng = latlng;
- e.oldLatLng = this._oldLatLng;
-
-
-
- marker
- .fire('move', e)
- .fire('drag', e);
- },
-
- _onDragEnd: function (e) {
-
-
-
-
-
- delete this._oldLatLng;
- this._marker
- .fire('moveend')
- .fire('dragend', e);
- }
- });
-
-
-
-
-
- L.Control = L.Class.extend({
-
-
- options: {
-
-
-
- position: 'topright'
- },
-
- initialize: function (options) {
- L.setOptions(this, options);
- },
-
-
-
- getPosition: function () {
- return this.options.position;
- },
-
-
-
- setPosition: function (position) {
- var map = this._map;
-
- if (map) {
- map.removeControl(this);
- }
-
- this.options.position = position;
-
- if (map) {
- map.addControl(this);
- }
-
- return this;
- },
-
-
-
- getContainer: function () {
- return this._container;
- },
-
-
-
- addTo: function (map) {
- this.remove();
- this._map = map;
-
- var container = this._container = this.onAdd(map),
- pos = this.getPosition(),
- corner = map._controlCorners[pos];
-
- L.DomUtil.addClass(container, 'leaflet-control');
-
- if (pos.indexOf('bottom') !== -1) {
- corner.insertBefore(container, corner.firstChild);
- } else {
- corner.appendChild(container);
- }
-
- return this;
- },
-
-
-
- remove: function () {
- if (!this._map) {
- return this;
- }
-
- L.DomUtil.remove(this._container);
-
- if (this.onRemove) {
- this.onRemove(this._map);
- }
-
- this._map = null;
-
- return this;
- },
-
- _refocusOnMap: function (e) {
-
- if (this._map && e && e.screenX > 0 && e.screenY > 0) {
- this._map.getContainer().focus();
- }
- }
- });
-
- L.control = function (options) {
- return new L.Control(options);
- };
-
-
-
-
- L.Map.include({
-
-
- addControl: function (control) {
- control.addTo(this);
- return this;
- },
-
-
-
- removeControl: function (control) {
- control.remove();
- return this;
- },
-
- _initControlPos: function () {
- var corners = this._controlCorners = {},
- l = 'leaflet-',
- container = this._controlContainer =
- L.DomUtil.create('div', l + 'control-container', this._container);
-
- function createCorner(vSide, hSide) {
- var className = l + vSide + ' ' + l + hSide;
-
- corners[vSide + hSide] = L.DomUtil.create('div', className, container);
- }
-
- createCorner('top', 'left');
- createCorner('top', 'right');
- createCorner('bottom', 'left');
- createCorner('bottom', 'right');
- },
-
- _clearControlPos: function () {
- L.DomUtil.remove(this._controlContainer);
- }
- });
-
-
-
-
-
- L.Control.Zoom = L.Control.extend({
-
-
- options: {
- position: 'topleft',
-
-
-
- zoomInText: '+',
-
-
-
- zoomInTitle: 'Zoom in',
-
-
-
- zoomOutText: '-',
-
-
-
- zoomOutTitle: 'Zoom out'
- },
-
- onAdd: function (map) {
- var zoomName = 'leaflet-control-zoom',
- container = L.DomUtil.create('div', zoomName + ' leaflet-bar'),
- options = this.options;
-
- this._zoomInButton = this._createButton(options.zoomInText, options.zoomInTitle,
- zoomName + '-in', container, this._zoomIn);
- this._zoomOutButton = this._createButton(options.zoomOutText, options.zoomOutTitle,
- zoomName + '-out', container, this._zoomOut);
-
- this._updateDisabled();
- map.on('zoomend zoomlevelschange', this._updateDisabled, this);
-
- return container;
- },
-
- onRemove: function (map) {
- map.off('zoomend zoomlevelschange', this._updateDisabled, this);
- },
-
- disable: function () {
- this._disabled = true;
- this._updateDisabled();
- return this;
- },
-
- enable: function () {
- this._disabled = false;
- this._updateDisabled();
- return this;
- },
-
- _zoomIn: function (e) {
- if (!this._disabled && this._map._zoom < this._map.getMaxZoom()) {
- this._map.zoomIn(this._map.options.zoomDelta * (e.shiftKey ? 3 : 1));
- }
- },
-
- _zoomOut: function (e) {
- if (!this._disabled && this._map._zoom > this._map.getMinZoom()) {
- this._map.zoomOut(this._map.options.zoomDelta * (e.shiftKey ? 3 : 1));
- }
- },
-
- _createButton: function (html, title, className, container, fn) {
- var link = L.DomUtil.create('a', className, container);
- link.innerHTML = html;
- link.href = '#';
- link.title = title;
-
-
-
- link.setAttribute('role', 'button');
- link.setAttribute('aria-label', title);
-
- L.DomEvent
- .on(link, 'mousedown dblclick', L.DomEvent.stopPropagation)
- .on(link, 'click', L.DomEvent.stop)
- .on(link, 'click', fn, this)
- .on(link, 'click', this._refocusOnMap, this);
-
- return link;
- },
-
- _updateDisabled: function () {
- var map = this._map,
- className = 'leaflet-disabled';
-
- L.DomUtil.removeClass(this._zoomInButton, className);
- L.DomUtil.removeClass(this._zoomOutButton, className);
-
- if (this._disabled || map._zoom === map.getMinZoom()) {
- L.DomUtil.addClass(this._zoomOutButton, className);
- }
- if (this._disabled || map._zoom === map.getMaxZoom()) {
- L.DomUtil.addClass(this._zoomInButton, className);
- }
- }
- });
-
-
-
-
-
- L.Map.mergeOptions({
- zoomControl: true
- });
-
- L.Map.addInitHook(function () {
- if (this.options.zoomControl) {
- this.zoomControl = new L.Control.Zoom();
- this.addControl(this.zoomControl);
- }
- });
-
-
-
-
- L.control.zoom = function (options) {
- return new L.Control.Zoom(options);
- };
-
-
-
-
-
- L.Control.Attribution = L.Control.extend({
-
-
- options: {
- position: 'bottomright',
-
-
-
- prefix: '<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'
- },
-
- initialize: function (options) {
- L.setOptions(this, options);
-
- this._attributions = {};
- },
-
- onAdd: function (map) {
- map.attributionControl = this;
- this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
- if (L.DomEvent) {
- L.DomEvent.disableClickPropagation(this._container);
- }
-
-
- for (var i in map._layers) {
- if (map._layers[i].getAttribution) {
- this.addAttribution(map._layers[i].getAttribution());
- }
- }
-
- this._update();
-
- return this._container;
- },
-
-
-
- setPrefix: function (prefix) {
- this.options.prefix = prefix;
- this._update();
- return this;
- },
-
-
-
- addAttribution: function (text) {
- if (!text) { return this; }
-
- if (!this._attributions[text]) {
- this._attributions[text] = 0;
- }
- this._attributions[text]++;
-
- this._update();
-
- return this;
- },
-
-
-
- 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(' | ');
- }
- });
-
-
-
-
-
- L.Map.mergeOptions({
- attributionControl: true
- });
-
- L.Map.addInitHook(function () {
- if (this.options.attributionControl) {
- new L.Control.Attribution().addTo(this);
- }
- });
-
-
-
-
- L.control.attribution = function (options) {
- return new L.Control.Attribution(options);
- };
-
-
-
-
-
- L.Control.Scale = L.Control.extend({
-
-
- options: {
- position: 'bottomleft',
-
-
-
- maxWidth: 100,
-
-
-
- metric: true,
-
-
-
- imperial: true
-
-
-
- },
-
- onAdd: function (map) {
- var className = 'leaflet-control-scale',
- container = L.DomUtil.create('div', className),
- options = this.options;
-
- this._addScales(options, className + '-line', container);
-
- map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
- map.whenReady(this._update, this);
-
- return container;
- },
-
- onRemove: function (map) {
- map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
- },
-
- _addScales: function (options, className, container) {
- if (options.metric) {
- this._mScale = L.DomUtil.create('div', className, container);
- }
- if (options.imperial) {
- this._iScale = L.DomUtil.create('div', className, container);
- }
- },
-
- _update: function () {
- var map = this._map,
- y = map.getSize().y / 2;
-
- var maxMeters = map.distance(
- map.containerPointToLatLng([0, y]),
- map.containerPointToLatLng([this.options.maxWidth, y]));
-
- this._updateScales(maxMeters);
- },
-
- _updateScales: function (maxMeters) {
- if (this.options.metric && maxMeters) {
- this._updateMetric(maxMeters);
- }
- if (this.options.imperial && maxMeters) {
- this._updateImperial(maxMeters);
- }
- },
-
- _updateMetric: function (maxMeters) {
- var meters = this._getRoundNum(maxMeters),
- label = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
-
- this._updateScale(this._mScale, label, meters / maxMeters);
- },
-
- _updateImperial: function (maxMeters) {
- var maxFeet = maxMeters * 3.2808399,
- maxMiles, miles, feet;
-
- if (maxFeet > 5280) {
- maxMiles = maxFeet / 5280;
- miles = this._getRoundNum(maxMiles);
- this._updateScale(this._iScale, miles + ' mi', miles / maxMiles);
-
- } else {
- feet = this._getRoundNum(maxFeet);
- this._updateScale(this._iScale, feet + ' ft', feet / maxFeet);
- }
- },
-
- _updateScale: function (scale, text, ratio) {
- scale.style.width = Math.round(this.options.maxWidth * ratio) + 'px';
- scale.innerHTML = text;
- },
-
- _getRoundNum: function (num) {
- var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),
- d = num / pow10;
-
- d = d >= 10 ? 10 :
- d >= 5 ? 5 :
- d >= 3 ? 3 :
- d >= 2 ? 2 : 1;
-
- return pow10 * d;
- }
- });
-
-
-
-
- L.control.scale = function (options) {
- return new L.Control.Scale(options);
- };
-
-
-
-
-
-
- L.Control.Layers = L.Control.extend({
-
-
- options: {
-
-
- collapsed: true,
- position: 'topright',
-
-
-
- autoZIndex: true,
-
-
-
- hideSingleBase: false,
-
-
-
-
- sortLayers: false,
-
-
-
-
-
-
-
- sortFunction: function (layerA, layerB, nameA, nameB) {
- return nameA < nameB ? -1 : (nameB < nameA ? 1 : 0);
- }
- },
-
- initialize: function (baseLayers, overlays, options) {
- L.setOptions(this, options);
-
- 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);
-
- return this._container;
- },
-
- 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);
- }
- },
-
-
-
- addBaseLayer: function (layer, name) {
- this._addLayer(layer, name);
- return (this._map) ? this._update() : this;
- },
-
-
-
- addOverlay: function (layer, name) {
- this._addLayer(layer, name, true);
- return (this._map) ? this._update() : this;
- },
-
-
-
- removeLayer: function (layer) {
- layer.off('add remove', this._onLayerChange, this);
-
- var obj = this._getLayer(L.stamp(layer));
- if (obj) {
- this._layers.splice(this._layers.indexOf(obj), 1);
- }
- return (this._map) ? this._update() : this;
- },
-
-
-
- expand: function () {
- L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
- this._form.style.height = null;
- var acceptableHeight = this._map.getSize().y - (this._container.offsetTop + 50);
- if (acceptableHeight < this._form.clientHeight) {
- L.DomUtil.addClass(this._form, 'leaflet-control-layers-scrollbar');
- this._form.style.height = acceptableHeight + 'px';
- } else {
- L.DomUtil.removeClass(this._form, 'leaflet-control-layers-scrollbar');
- }
- this._checkDisabledLayers();
- return this;
- },
-
-
-
- collapse: function () {
- L.DomUtil.removeClass(this._container, 'leaflet-control-layers-expanded');
- return this;
- },
-
- _initLayout: function () {
- var className = 'leaflet-control-layers',
- container = this._container = L.DomUtil.create('div', className),
- collapsed = this.options.collapsed;
-
-
- container.setAttribute('aria-haspopup', true);
-
- L.DomEvent.disableClickPropagation(container);
- if (!L.Browser.touch) {
- L.DomEvent.disableScrollPropagation(container);
- }
-
- var form = this._form = L.DomUtil.create('form', className + '-list');
-
- if (collapsed) {
- this._map.on('click', this.collapse, this);
-
- if (!L.Browser.android) {
- L.DomEvent.on(container, {
- mouseenter: this.expand,
- mouseleave: this.collapse
- }, this);
- }
- }
-
- var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);
- link.href = '#';
- link.title = 'Layers';
-
- if (L.Browser.touch) {
- L.DomEvent
- .on(link, 'click', L.DomEvent.stop)
- .on(link, 'click', this.expand, this);
- } else {
- L.DomEvent.on(link, 'focus', this.expand, this);
- }
-
-
- L.DomEvent.on(form, 'click', function () {
- setTimeout(L.bind(this._onInputClick, this), 0);
- }, this);
-
-
-
- if (!collapsed) {
- this.expand();
- }
-
- this._baseLayersList = L.DomUtil.create('div', className + '-base', form);
- this._separator = L.DomUtil.create('div', className + '-separator', form);
- this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);
-
- container.appendChild(form);
- },
-
- _getLayer: function (id) {
- for (var i = 0; i < this._layers.length; i++) {
-
- if (this._layers[i] && L.stamp(this._layers[i].layer) === id) {
- return this._layers[i];
- }
- }
- },
-
- _addLayer: function (layer, name, overlay) {
- layer.on('add remove', this._onLayerChange, this);
-
- this._layers.push({
- layer: layer,
- name: name,
- overlay: overlay
- });
-
- if (this.options.sortLayers) {
- this._layers.sort(L.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);
- }
- },
-
- _update: function () {
- if (!this._container) { return this; }
-
- L.DomUtil.empty(this._baseLayersList);
- L.DomUtil.empty(this._overlaysList);
-
- 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;
- }
-
-
- 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(L.stamp(e.target));
-
-
-
-
-
-
-
-
-
-
- var type = obj.overlay ?
- (e.type === 'add' ? 'overlayadd' : 'overlayremove') :
- (e.type === 'add' ? 'baselayerchange' : null);
-
- if (type) {
- this._map.fire(type, obj);
- }
- },
-
-
- _createRadioElement: function (name, checked) {
-
- var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' +
- name + '"' + (checked ? ' checked="checked"' : '') + '/>';
-
- var radioFragment = document.createElement('div');
- radioFragment.innerHTML = radioHtml;
-
- return radioFragment.firstChild;
- },
-
- _addItem: function (obj) {
- var label = document.createElement('label'),
- checked = this._map.hasLayer(obj.layer),
- input;
-
- if (obj.overlay) {
- input = document.createElement('input');
- input.type = 'checkbox';
- input.className = 'leaflet-control-layers-selector';
- input.defaultChecked = checked;
- } else {
- input = this._createRadioElement('leaflet-base-layers', checked);
- }
-
- input.layerId = L.stamp(obj.layer);
-
- L.DomEvent.on(input, 'click', this._onInputClick, this);
-
- var name = document.createElement('span');
- name.innerHTML = ' ' + obj.name;
-
-
-
- var holder = document.createElement('div');
-
- label.appendChild(holder);
- holder.appendChild(input);
- holder.appendChild(name);
-
- var container = obj.overlay ? this._overlaysList : this._baseLayersList;
- container.appendChild(label);
-
- this._checkDisabledLayers();
- return label;
- },
-
- _onInputClick: function () {
- var inputs = this._form.getElementsByTagName('input'),
- input, layer, hasLayer;
- var addedLayers = [],
- removedLayers = [];
-
- this._handlingClick = true;
-
- for (var i = inputs.length - 1; i >= 0; i--) {
- input = inputs[i];
- layer = this._getLayer(input.layerId).layer;
- hasLayer = this._map.hasLayer(layer);
-
- if (input.checked && !hasLayer) {
- addedLayers.push(layer);
-
- } else if (!input.checked && hasLayer) {
- removedLayers.push(layer);
- }
- }
-
-
- for (i = 0; i < removedLayers.length; i++) {
- this._map.removeLayer(removedLayers[i]);
- }
- for (i = 0; i < addedLayers.length; i++) {
- this._map.addLayer(addedLayers[i]);
- }
-
- this._handlingClick = false;
-
- this._refocusOnMap();
- },
-
- _checkDisabledLayers: function () {
- var inputs = this._form.getElementsByTagName('input'),
- input,
- layer,
- zoom = this._map.getZoom();
-
- for (var i = inputs.length - 1; i >= 0; i--) {
- input = inputs[i];
- layer = this._getLayer(input.layerId).layer;
- input.disabled = (layer.options.minZoom !== undefined && zoom < layer.options.minZoom) ||
- (layer.options.maxZoom !== undefined && zoom > layer.options.maxZoom);
-
- }
- },
-
- _expand: function () {
-
- return this.expand();
- },
-
- _collapse: function () {
-
- return this.collapse();
- }
-
- });
-
-
-
-
- L.control.layers = function (baseLayers, overlays, options) {
- return new L.Control.Layers(baseLayers, overlays, options);
- };
-
-
-
- }(window, document));
-
|