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@@ -1,8724 +0,0 @@
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-/*
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- Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
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- (c) 2010-2013, Vladimir Agafonkin, CloudMade
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-*/
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-(function (window, document, undefined) {
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-var oldL = window.L,
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- L = {};
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-
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-L.version = '0.6-dev';
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-
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-// define Leaflet for Node module pattern loaders, including Browserify
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-if (typeof module === 'object' && typeof module.exports === 'object') {
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- module.exports = L;
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-
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-// define Leaflet as an AMD module
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-} else if (typeof define === 'function' && define.amd) {
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- define(L);
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-}
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-
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-// define Leaflet as a global L variable, saving the original L to restore later if needed
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-
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-L.noConflict = function () {
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- window.L = oldL;
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- return this;
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-};
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-
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-window.L = L;
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-
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-
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-/*
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- * L.Util contains various utility functions used throughout Leaflet code.
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- */
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-
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-L.Util = {
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- extend: function (dest) { // (Object[, Object, ...]) ->
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- var sources = Array.prototype.slice.call(arguments, 1),
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- i, j, len, src;
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-
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- for (j = 0, len = sources.length; j < len; j++) {
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- src = sources[j] || {};
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- for (i in src) {
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- if (src.hasOwnProperty(i)) {
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- dest[i] = src[i];
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- }
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- }
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- }
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- return dest;
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- },
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-
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- bind: function (fn, obj) { // (Function, Object) -> Function
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- var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
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- return function () {
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- return fn.apply(obj, args || arguments);
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- };
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- },
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-
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- stamp: (function () {
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- var lastId = 0,
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- key = '_leaflet_id';
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- return function (obj) {
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- obj[key] = obj[key] || ++lastId;
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- return obj[key];
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- };
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- }()),
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-
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- invokeEach: function (obj, method, context) {
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- var i, args;
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-
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- if (typeof obj === 'object') {
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- args = Array.prototype.slice.call(arguments, 3);
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-
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- for (i in obj) {
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- method.apply(context, [i, obj[i]].concat(args));
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- }
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- return true;
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- }
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-
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- return false;
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- },
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-
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- limitExecByInterval: function (fn, time, context) {
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- var lock, execOnUnlock;
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-
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- return function wrapperFn() {
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- var args = arguments;
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-
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- if (lock) {
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- execOnUnlock = true;
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- return;
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- }
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-
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- lock = true;
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-
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- setTimeout(function () {
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- lock = false;
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-
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- if (execOnUnlock) {
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- wrapperFn.apply(context, args);
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- execOnUnlock = false;
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- }
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- }, time);
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-
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- fn.apply(context, args);
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- };
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- },
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-
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- falseFn: function () {
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- return false;
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- },
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-
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- formatNum: function (num, digits) {
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- var pow = Math.pow(10, digits || 5);
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- return Math.round(num * pow) / pow;
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- },
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-
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- trim: function (str) {
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- return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
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- },
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-
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- splitWords: function (str) {
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- return L.Util.trim(str).split(/\s+/);
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- },
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-
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- setOptions: function (obj, options) {
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- obj.options = L.extend({}, obj.options, options);
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- return obj.options;
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- },
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-
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- getParamString: function (obj, existingUrl, uppercase) {
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- var params = [];
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- for (var i in obj) {
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- params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
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- }
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- return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
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- },
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-
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- template: function (str, data) {
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- return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
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- var value = data[key];
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- if (value === undefined) {
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- throw new Error('No value provided for variable ' + str);
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- } else if (typeof value === 'function') {
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- value = value(data);
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- }
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- return value;
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- });
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- },
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-
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- isArray: function (obj) {
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- return (Object.prototype.toString.call(obj) === '[object Array]');
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- },
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-
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- emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
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-};
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-
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-(function () {
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-
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- // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
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-
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- function getPrefixed(name) {
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- var i, fn,
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- prefixes = ['webkit', 'moz', 'o', 'ms'];
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-
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- for (i = 0; i < prefixes.length && !fn; i++) {
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- fn = window[prefixes[i] + name];
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- }
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-
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- return fn;
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- }
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-
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- var lastTime = 0;
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-
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- function timeoutDefer(fn) {
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- var time = +new Date(),
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- timeToCall = Math.max(0, 16 - (time - lastTime));
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-
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- lastTime = time + timeToCall;
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- return window.setTimeout(fn, timeToCall);
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- }
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-
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- var requestFn = window.requestAnimationFrame ||
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- getPrefixed('RequestAnimationFrame') || timeoutDefer;
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-
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- var cancelFn = window.cancelAnimationFrame ||
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- getPrefixed('CancelAnimationFrame') ||
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- getPrefixed('CancelRequestAnimationFrame') ||
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- function (id) { window.clearTimeout(id); };
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-
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-
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- L.Util.requestAnimFrame = function (fn, context, immediate, element) {
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- fn = L.bind(fn, context);
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-
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- if (immediate && requestFn === timeoutDefer) {
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- fn();
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- } else {
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- return requestFn.call(window, fn, element);
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- }
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- };
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-
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- L.Util.cancelAnimFrame = function (id) {
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- if (id) {
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- cancelFn.call(window, id);
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- }
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- };
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-
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-}());
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-
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-// shortcuts for most used utility functions
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-L.extend = L.Util.extend;
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-L.bind = L.Util.bind;
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-L.stamp = L.Util.stamp;
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-L.setOptions = L.Util.setOptions;
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-
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-
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-/*
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- * L.Class powers the OOP facilities of the library.
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- * Thanks to John Resig and Dean Edwards for inspiration!
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- */
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-
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-L.Class = function () {};
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-
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-L.Class.extend = function (props) {
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-
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- // extended class with the new prototype
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- var NewClass = function () {
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-
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- // call the constructor
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- if (this.initialize) {
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- this.initialize.apply(this, arguments);
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- }
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-
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- // call all constructor hooks
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- if (this._initHooks) {
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- this.callInitHooks();
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- }
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- };
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-
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- // instantiate class without calling constructor
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- var F = function () {};
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- F.prototype = this.prototype;
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-
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- var proto = new F();
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- proto.constructor = NewClass;
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-
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- NewClass.prototype = proto;
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-
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- //inherit parent's statics
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- for (var i in this) {
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- if (this.hasOwnProperty(i) && i !== 'prototype') {
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- NewClass[i] = this[i];
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- }
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- }
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-
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- // mix static properties into the class
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- if (props.statics) {
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- L.extend(NewClass, props.statics);
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- delete props.statics;
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- }
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-
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- // mix includes into the prototype
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- if (props.includes) {
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- L.Util.extend.apply(null, [proto].concat(props.includes));
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- delete props.includes;
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- }
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-
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- // merge options
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- if (props.options && proto.options) {
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- props.options = L.extend({}, proto.options, props.options);
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- }
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-
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- // mix given properties into the prototype
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- L.extend(proto, props);
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-
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- proto._initHooks = [];
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-
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- var parent = this;
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- // jshint camelcase: false
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- NewClass.__super__ = parent.prototype;
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-
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- // add method for calling all hooks
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- proto.callInitHooks = function () {
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-
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- if (this._initHooksCalled) { return; }
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-
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- if (parent.prototype.callInitHooks) {
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- parent.prototype.callInitHooks.call(this);
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- }
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-
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- this._initHooksCalled = true;
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-
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- for (var i = 0, len = proto._initHooks.length; i < len; i++) {
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- proto._initHooks[i].call(this);
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- }
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- };
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-
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- return NewClass;
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-};
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-
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-
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-// method for adding properties to prototype
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-L.Class.include = function (props) {
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- L.extend(this.prototype, props);
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-};
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-
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-// merge new default options to the Class
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-L.Class.mergeOptions = function (options) {
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- L.extend(this.prototype.options, options);
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-};
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-
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-// add a constructor hook
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-L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
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- var args = Array.prototype.slice.call(arguments, 1);
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-
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- var init = typeof fn === 'function' ? fn : function () {
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- this[fn].apply(this, args);
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- };
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-
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- this.prototype._initHooks = this.prototype._initHooks || [];
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- this.prototype._initHooks.push(init);
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-};
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-
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-
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-/*
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- * L.Mixin.Events is used to add custom events functionality to Leaflet classes.
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- */
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-
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-var eventsKey = '_leaflet_events';
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-
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-L.Mixin = {};
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-
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-L.Mixin.Events = {
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-
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- addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
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-
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- // types can be a map of types/handlers
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- if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }
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-
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- var events = this[eventsKey] = this[eventsKey] || {},
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- contextId = context && L.stamp(context),
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- i, len, event, type, indexKey, indexLenKey, typeIndex;
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-
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- // types can be a string of space-separated words
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- types = L.Util.splitWords(types);
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-
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- for (i = 0, len = types.length; i < len; i++) {
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- event = {
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- action: fn,
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- context: context || this
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- };
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- type = types[i];
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-
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- if (context) {
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- // store listeners of a particular context in a separate hash (if it has an id)
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- // gives a major performance boost when removing thousands of map layers
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-
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- indexKey = type + '_idx';
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- indexLenKey = indexKey + '_len';
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-
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- typeIndex = events[indexKey] = events[indexKey] || {};
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-
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- if (!typeIndex[contextId]) {
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- typeIndex[contextId] = [];
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-
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- // keep track of the number of keys in the index to quickly check if it's empty
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- events[indexLenKey] = (events[indexLenKey] || 0) + 1;
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- }
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-
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- typeIndex[contextId].push(event);
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-
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-
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- } else {
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- events[type] = events[type] || [];
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- events[type].push(event);
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- }
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- }
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-
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- return this;
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- },
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-
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- hasEventListeners: function (type) { // (String) -> Boolean
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- var events = this[eventsKey];
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- return !!events && ((type in events && events[type].length > 0) ||
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- (type + '_idx' in events && events[type + '_idx_len'] > 0));
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- },
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-
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- removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])
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-
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- if (!this[eventsKey]) {
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- return this;
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- }
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-
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- if (!types) {
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- return this.clearAllEventListeners();
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- }
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-
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- if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }
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-
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- var events = this[eventsKey],
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- contextId = context && L.stamp(context),
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- i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;
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-
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- types = L.Util.splitWords(types);
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-
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- for (i = 0, len = types.length; i < len; i++) {
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- type = types[i];
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- indexKey = type + '_idx';
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- indexLenKey = indexKey + '_len';
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-
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- typeIndex = events[indexKey];
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-
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- if (!fn) {
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- // clear all listeners for a type if function isn't specified
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- delete events[type];
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- delete events[indexKey];
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-
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- } else {
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- listeners = context && typeIndex ? typeIndex[contextId] : events[type];
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-
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- if (listeners) {
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- for (j = listeners.length - 1; j >= 0; j--) {
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- if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
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- removed = listeners.splice(j, 1);
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- // set the old action to a no-op, because it is possible
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- // that the listener is being iterated over as part of a dispatch
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- removed[0].action = L.Util.falseFn;
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- }
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- }
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-
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- if (context && typeIndex && (listeners.length === 0)) {
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- delete typeIndex[contextId];
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- events[indexLenKey]--;
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- }
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- }
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- }
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- }
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-
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- return this;
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- },
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-
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- clearAllEventListeners: function () {
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- delete this[eventsKey];
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- return this;
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- },
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-
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- fireEvent: function (type, data) { // (String[, Object])
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- if (!this.hasEventListeners(type)) {
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- return this;
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- }
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|
|
-
|
|
|
- var event = L.Util.extend({}, data, { type: type, target: this });
|
|
|
-
|
|
|
- var events = this[eventsKey],
|
|
|
- listeners, i, len, typeIndex, contextId;
|
|
|
-
|
|
|
- if (events[type]) {
|
|
|
- // make sure adding/removing listeners inside other listeners won't cause infinite loop
|
|
|
- listeners = events[type].slice();
|
|
|
-
|
|
|
- for (i = 0, len = listeners.length; i < len; i++) {
|
|
|
- listeners[i].action.call(listeners[i].context || this, event);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // fire event for the context-indexed listeners as well
|
|
|
- typeIndex = events[type + '_idx'];
|
|
|
-
|
|
|
- for (contextId in typeIndex) {
|
|
|
- listeners = typeIndex[contextId].slice();
|
|
|
-
|
|
|
- if (listeners) {
|
|
|
- for (i = 0, len = listeners.length; i < len; i++) {
|
|
|
- listeners[i].action.call(listeners[i].context || this, event);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addOneTimeEventListener: function (types, fn, context) {
|
|
|
-
|
|
|
- if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }
|
|
|
-
|
|
|
- var handler = L.bind(function () {
|
|
|
- this
|
|
|
- .removeEventListener(types, fn, context)
|
|
|
- .removeEventListener(types, handler, context);
|
|
|
- }, this);
|
|
|
-
|
|
|
- return this
|
|
|
- .addEventListener(types, fn, context)
|
|
|
- .addEventListener(types, handler, context);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-L.Mixin.Events.on = L.Mixin.Events.addEventListener;
|
|
|
-L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
|
|
|
-L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener;
|
|
|
-L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Browser handles different browser and feature detections for internal Leaflet use.
|
|
|
- */
|
|
|
-
|
|
|
-(function () {
|
|
|
-
|
|
|
- var ie = !!window.ActiveXObject,
|
|
|
- ie6 = ie && !window.XMLHttpRequest,
|
|
|
- ie7 = ie && !document.querySelector,
|
|
|
- ielt9 = ie && !document.addEventListener,
|
|
|
-
|
|
|
- // terrible browser detection to work around Safari / iOS / Android browser bugs
|
|
|
- ua = navigator.userAgent.toLowerCase(),
|
|
|
- webkit = ua.indexOf('webkit') !== -1,
|
|
|
- chrome = ua.indexOf('chrome') !== -1,
|
|
|
- phantomjs = ua.indexOf('phantom') !== -1,
|
|
|
- android = ua.indexOf('android') !== -1,
|
|
|
- android23 = ua.search('android [23]') !== -1,
|
|
|
-
|
|
|
- mobile = typeof orientation !== undefined + '',
|
|
|
- msTouch = window.navigator && window.navigator.msPointerEnabled &&
|
|
|
- window.navigator.msMaxTouchPoints,
|
|
|
- retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
|
|
|
- ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
|
|
|
- window.matchMedia('(min-resolution:144dpi)').matches),
|
|
|
-
|
|
|
- doc = document.documentElement,
|
|
|
- ie3d = ie && ('transition' in doc.style),
|
|
|
- webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
|
|
|
- gecko3d = 'MozPerspective' in doc.style,
|
|
|
- opera3d = 'OTransition' in doc.style,
|
|
|
- any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
|
|
|
-
|
|
|
-
|
|
|
- // PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
|
|
|
- // https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
|
|
|
-
|
|
|
- var touch = !window.L_NO_TOUCH && !phantomjs && (function () {
|
|
|
-
|
|
|
- var startName = 'ontouchstart';
|
|
|
-
|
|
|
- // IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.MsTouch) or WebKit, etc.
|
|
|
- if (msTouch || (startName in doc)) {
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- // Firefox/Gecko
|
|
|
- var div = document.createElement('div'),
|
|
|
- supported = false;
|
|
|
-
|
|
|
- if (!div.setAttribute) {
|
|
|
- return false;
|
|
|
- }
|
|
|
- div.setAttribute(startName, 'return;');
|
|
|
-
|
|
|
- if (typeof div[startName] === 'function') {
|
|
|
- supported = true;
|
|
|
- }
|
|
|
-
|
|
|
- div.removeAttribute(startName);
|
|
|
- div = null;
|
|
|
-
|
|
|
- return supported;
|
|
|
- }());
|
|
|
-
|
|
|
-
|
|
|
- L.Browser = {
|
|
|
- ie: ie,
|
|
|
- ie6: ie6,
|
|
|
- ie7: ie7,
|
|
|
- ielt9: ielt9,
|
|
|
- webkit: webkit,
|
|
|
-
|
|
|
- android: android,
|
|
|
- android23: android23,
|
|
|
-
|
|
|
- chrome: chrome,
|
|
|
-
|
|
|
- ie3d: ie3d,
|
|
|
- webkit3d: webkit3d,
|
|
|
- gecko3d: gecko3d,
|
|
|
- opera3d: opera3d,
|
|
|
- any3d: any3d,
|
|
|
-
|
|
|
- mobile: mobile,
|
|
|
- mobileWebkit: mobile && webkit,
|
|
|
- mobileWebkit3d: mobile && webkit3d,
|
|
|
- mobileOpera: mobile && window.opera,
|
|
|
-
|
|
|
- touch: touch,
|
|
|
- msTouch: msTouch,
|
|
|
-
|
|
|
- retina: retina
|
|
|
- };
|
|
|
-
|
|
|
-}());
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Point represents a point with x and y coordinates.
|
|
|
- */
|
|
|
-
|
|
|
-L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ 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);
|
|
|
- },
|
|
|
-
|
|
|
- // non-destructive, returns a new point
|
|
|
- add: function (point) {
|
|
|
- return this.clone()._add(L.point(point));
|
|
|
- },
|
|
|
-
|
|
|
- // destructive, used directly for performance in situations where it's safe to modify existing 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;
|
|
|
- },
|
|
|
-
|
|
|
- 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;
|
|
|
- },
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
- return new L.Point(x, y, round);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Bounds represents a rectangular area on the screen in pixel coordinates.
|
|
|
- */
|
|
|
-
|
|
|
-L.Bounds = function (a, b) { //(Point, Point) or Point[]
|
|
|
- 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 the bounds to contain the given point
|
|
|
- extend: function (point) { // (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) { // (Boolean) -> Point
|
|
|
- return new L.Point(
|
|
|
- (this.min.x + this.max.x) / 2,
|
|
|
- (this.min.y + this.max.y) / 2, round);
|
|
|
- },
|
|
|
-
|
|
|
- getBottomLeft: function () { // -> Point
|
|
|
- return new L.Point(this.min.x, this.max.y);
|
|
|
- },
|
|
|
-
|
|
|
- getTopRight: function () { // -> Point
|
|
|
- return new L.Point(this.max.x, this.min.y);
|
|
|
- },
|
|
|
-
|
|
|
- getSize: function () {
|
|
|
- return this.max.subtract(this.min);
|
|
|
- },
|
|
|
-
|
|
|
- contains: function (obj) { // (Bounds) or (Point) -> Boolean
|
|
|
- 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) -> Boolean
|
|
|
- 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;
|
|
|
- },
|
|
|
-
|
|
|
- isValid: function () {
|
|
|
- return !!(this.min && this.max);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
|
|
|
- if (!a || a instanceof L.Bounds) {
|
|
|
- return a;
|
|
|
- }
|
|
|
- return new L.Bounds(a, b);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
|
|
|
- */
|
|
|
-
|
|
|
-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) { // (Point, Number) -> Point
|
|
|
- return this._transform(point.clone(), scale);
|
|
|
- },
|
|
|
-
|
|
|
- // destructive transform (faster)
|
|
|
- _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 contains various utility functions for working with DOM.
|
|
|
- */
|
|
|
-
|
|
|
-L.DomUtil = {
|
|
|
- get: function (id) {
|
|
|
- return (typeof id === 'string' ? document.getElementById(id) : id);
|
|
|
- },
|
|
|
-
|
|
|
- getStyle: function (el, style) {
|
|
|
-
|
|
|
- var value = el.style[style];
|
|
|
-
|
|
|
- if (!value && el.currentStyle) {
|
|
|
- value = 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;
|
|
|
- },
|
|
|
-
|
|
|
- getViewportOffset: function (element) {
|
|
|
-
|
|
|
- var top = 0,
|
|
|
- left = 0,
|
|
|
- el = element,
|
|
|
- docBody = document.body,
|
|
|
- docEl = document.documentElement,
|
|
|
- pos,
|
|
|
- ie7 = L.Browser.ie7;
|
|
|
-
|
|
|
- do {
|
|
|
- top += el.offsetTop || 0;
|
|
|
- left += el.offsetLeft || 0;
|
|
|
-
|
|
|
- //add borders
|
|
|
- top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
|
|
|
- left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
|
|
|
-
|
|
|
- pos = L.DomUtil.getStyle(el, 'position');
|
|
|
-
|
|
|
- if (el.offsetParent === docBody && pos === 'absolute') { break; }
|
|
|
-
|
|
|
- if (pos === 'fixed') {
|
|
|
- top += docBody.scrollTop || docEl.scrollTop || 0;
|
|
|
- left += docBody.scrollLeft || docEl.scrollLeft || 0;
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- if (pos === 'relative' && !el.offsetLeft) {
|
|
|
- var width = L.DomUtil.getStyle(el, 'width'),
|
|
|
- maxWidth = L.DomUtil.getStyle(el, 'max-width'),
|
|
|
- r = el.getBoundingClientRect();
|
|
|
-
|
|
|
- if (width !== 'none' || maxWidth !== 'none') {
|
|
|
- left += r.left + el.clientLeft;
|
|
|
- }
|
|
|
-
|
|
|
- //calculate full y offset since we're breaking out of the loop
|
|
|
- top += r.top + (docBody.scrollTop || docEl.scrollTop || 0);
|
|
|
-
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- el = el.offsetParent;
|
|
|
-
|
|
|
- } while (el);
|
|
|
-
|
|
|
- el = element;
|
|
|
-
|
|
|
- do {
|
|
|
- if (el === docBody) { break; }
|
|
|
-
|
|
|
- top -= el.scrollTop || 0;
|
|
|
- left -= el.scrollLeft || 0;
|
|
|
-
|
|
|
- // webkit (and ie <= 7) handles RTL scrollLeft different to everyone else
|
|
|
- // https://code.google.com/p/closure-library/source/browse/trunk/closure/goog/style/bidi.js
|
|
|
- if (!L.DomUtil.documentIsLtr() && (L.Browser.webkit || ie7)) {
|
|
|
- left += el.scrollWidth - el.clientWidth;
|
|
|
-
|
|
|
- // ie7 shows the scrollbar by default and provides clientWidth counting it, so we
|
|
|
- // need to add it back in if it is visible; scrollbar is on the left as we are RTL
|
|
|
- if (ie7 && L.DomUtil.getStyle(el, 'overflow-y') !== 'hidden' &&
|
|
|
- L.DomUtil.getStyle(el, 'overflow') !== 'hidden') {
|
|
|
- left += 17;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- el = el.parentNode;
|
|
|
- } while (el);
|
|
|
-
|
|
|
- return new L.Point(left, top);
|
|
|
- },
|
|
|
-
|
|
|
- documentIsLtr: function () {
|
|
|
- if (!L.DomUtil._docIsLtrCached) {
|
|
|
- L.DomUtil._docIsLtrCached = true;
|
|
|
- L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
|
|
|
- }
|
|
|
- return L.DomUtil._docIsLtr;
|
|
|
- },
|
|
|
-
|
|
|
- create: function (tagName, className, container) {
|
|
|
-
|
|
|
- var el = document.createElement(tagName);
|
|
|
- el.className = className;
|
|
|
-
|
|
|
- if (container) {
|
|
|
- container.appendChild(el);
|
|
|
- }
|
|
|
-
|
|
|
- return el;
|
|
|
- },
|
|
|
-
|
|
|
- disableTextSelection: function () {
|
|
|
- if (document.selection && document.selection.empty) {
|
|
|
- document.selection.empty();
|
|
|
- }
|
|
|
- if (!this._onselectstart) {
|
|
|
- this._onselectstart = document.onselectstart || null;
|
|
|
- document.onselectstart = L.Util.falseFn;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- enableTextSelection: function () {
|
|
|
- if (document.onselectstart === L.Util.falseFn) {
|
|
|
- document.onselectstart = this._onselectstart;
|
|
|
- this._onselectstart = null;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- hasClass: function (el, name) {
|
|
|
- return (el.className.length > 0) &&
|
|
|
- new RegExp('(^|\\s)' + name + '(\\s|$)').test(el.className);
|
|
|
- },
|
|
|
-
|
|
|
- addClass: function (el, name) {
|
|
|
- if (!L.DomUtil.hasClass(el, name)) {
|
|
|
- el.className += (el.className ? ' ' : '') + name;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- removeClass: function (el, name) {
|
|
|
- el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
|
|
|
- },
|
|
|
-
|
|
|
- setOpacity: function (el, value) {
|
|
|
-
|
|
|
- if ('opacity' in el.style) {
|
|
|
- el.style.opacity = value;
|
|
|
-
|
|
|
- } else if ('filter' in el.style) {
|
|
|
-
|
|
|
- var filter = false,
|
|
|
- filterName = 'DXImageTransform.Microsoft.Alpha';
|
|
|
-
|
|
|
- // filters collection throws an error if we try to retrieve a filter that doesn't exist
|
|
|
- try {
|
|
|
- filter = el.filters.item(filterName);
|
|
|
- } catch (e) {
|
|
|
- // don't set opacity to 1 if we haven't already set an opacity,
|
|
|
- // it isn't needed and breaks transparent pngs.
|
|
|
- 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;
|
|
|
- },
|
|
|
-
|
|
|
- getTranslateString: function (point) {
|
|
|
- // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
|
|
|
- // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
|
|
|
- // (same speed either way), Opera 12 doesn't support translate3d
|
|
|
-
|
|
|
- var is3d = L.Browser.webkit3d,
|
|
|
- open = 'translate' + (is3d ? '3d' : '') + '(',
|
|
|
- close = (is3d ? ',0' : '') + ')';
|
|
|
-
|
|
|
- return open + point.x + 'px,' + point.y + 'px' + close;
|
|
|
- },
|
|
|
-
|
|
|
- getScaleString: function (scale, origin) {
|
|
|
-
|
|
|
- var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
|
|
|
- scaleStr = ' scale(' + scale + ') ';
|
|
|
-
|
|
|
- return preTranslateStr + scaleStr;
|
|
|
- },
|
|
|
-
|
|
|
- setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
|
|
|
-
|
|
|
- // jshint camelcase: false
|
|
|
- el._leaflet_pos = point;
|
|
|
-
|
|
|
- if (!disable3D && L.Browser.any3d) {
|
|
|
- el.style[L.DomUtil.TRANSFORM] = L.DomUtil.getTranslateString(point);
|
|
|
-
|
|
|
- // workaround for Android 2/3 stability (https://github.com/CloudMade/Leaflet/issues/69)
|
|
|
- if (L.Browser.mobileWebkit3d) {
|
|
|
- el.style.WebkitBackfaceVisibility = 'hidden';
|
|
|
- }
|
|
|
- } else {
|
|
|
- el.style.left = point.x + 'px';
|
|
|
- el.style.top = point.y + 'px';
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- getPosition: function (el) {
|
|
|
- // this method is only used for elements previously positioned using setPosition,
|
|
|
- // so it's safe to cache the position for performance
|
|
|
-
|
|
|
- // jshint camelcase: false
|
|
|
- return el._leaflet_pos;
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-// prefix style property names
|
|
|
-
|
|
|
-L.DomUtil.TRANSFORM = L.DomUtil.testProp(
|
|
|
- ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
|
|
|
-
|
|
|
-// webkitTransition comes first because some browser versions that drop vendor prefix don't do
|
|
|
-// the same for the transitionend event, in particular the Android 4.1 stock browser
|
|
|
-
|
|
|
-L.DomUtil.TRANSITION = L.DomUtil.testProp(
|
|
|
- ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
|
|
|
-
|
|
|
-L.DomUtil.TRANSITION_END =
|
|
|
- L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
|
|
|
- L.DomUtil.TRANSITION + 'End' : 'transitionend';
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.LatLng represents a geographical point with latitude and longitude coordinates.
|
|
|
- */
|
|
|
-
|
|
|
-L.LatLng = function (rawLat, rawLng) { // (Number, Number)
|
|
|
- var lat = parseFloat(rawLat),
|
|
|
- lng = parseFloat(rawLng);
|
|
|
-
|
|
|
- if (isNaN(lat) || isNaN(lng)) {
|
|
|
- throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');
|
|
|
- }
|
|
|
-
|
|
|
- this.lat = lat;
|
|
|
- this.lng = lng;
|
|
|
-};
|
|
|
-
|
|
|
-L.extend(L.LatLng, {
|
|
|
- DEG_TO_RAD: Math.PI / 180,
|
|
|
- RAD_TO_DEG: 180 / Math.PI,
|
|
|
- MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check
|
|
|
-});
|
|
|
-
|
|
|
-L.LatLng.prototype = {
|
|
|
- equals: function (obj) { // (LatLng) -> Boolean
|
|
|
- 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 <= L.LatLng.MAX_MARGIN;
|
|
|
- },
|
|
|
-
|
|
|
- toString: function (precision) { // (Number) -> String
|
|
|
- return 'LatLng(' +
|
|
|
- L.Util.formatNum(this.lat, precision) + ', ' +
|
|
|
- L.Util.formatNum(this.lng, precision) + ')';
|
|
|
- },
|
|
|
-
|
|
|
- // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
|
|
|
- // TODO move to projection code, LatLng shouldn't know about Earth
|
|
|
- distanceTo: function (other) { // (LatLng) -> Number
|
|
|
- other = L.latLng(other);
|
|
|
-
|
|
|
- var R = 6378137, // earth radius in meters
|
|
|
- d2r = L.LatLng.DEG_TO_RAD,
|
|
|
- dLat = (other.lat - this.lat) * d2r,
|
|
|
- dLon = (other.lng - this.lng) * d2r,
|
|
|
- lat1 = this.lat * d2r,
|
|
|
- lat2 = other.lat * d2r,
|
|
|
- sin1 = Math.sin(dLat / 2),
|
|
|
- sin2 = Math.sin(dLon / 2);
|
|
|
-
|
|
|
- var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
|
|
|
-
|
|
|
- return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
|
|
|
- },
|
|
|
-
|
|
|
- wrap: function (a, b) { // (Number, Number) -> LatLng
|
|
|
- var lng = this.lng;
|
|
|
-
|
|
|
- a = a || -180;
|
|
|
- b = b || 180;
|
|
|
-
|
|
|
- lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);
|
|
|
-
|
|
|
- return new L.LatLng(this.lat, lng);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)
|
|
|
- if (a instanceof L.LatLng) {
|
|
|
- return a;
|
|
|
- }
|
|
|
- if (L.Util.isArray(a)) {
|
|
|
- return new L.LatLng(a[0], a[1]);
|
|
|
- }
|
|
|
- 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);
|
|
|
- }
|
|
|
- return new L.LatLng(a, b);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
|
|
|
- */
|
|
|
-
|
|
|
-L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
|
|
|
- if (!southWest) { return; }
|
|
|
-
|
|
|
- var latlngs = northEast ? [southWest, northEast] : southWest;
|
|
|
-
|
|
|
- for (var i = 0, len = latlngs.length; i < len; i++) {
|
|
|
- this.extend(latlngs[i]);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-L.LatLngBounds.prototype = {
|
|
|
- // extend the bounds to contain the given point or bounds
|
|
|
- extend: function (obj) { // (LatLng) or (LatLngBounds)
|
|
|
- if (!obj) { return this; }
|
|
|
-
|
|
|
- if (typeof obj[0] === 'number' || typeof obj[0] === 'string' || obj instanceof L.LatLng) {
|
|
|
- obj = L.latLng(obj);
|
|
|
- } else {
|
|
|
- obj = L.latLngBounds(obj);
|
|
|
- }
|
|
|
-
|
|
|
- if (obj instanceof L.LatLng) {
|
|
|
- if (!this._southWest && !this._northEast) {
|
|
|
- this._southWest = new L.LatLng(obj.lat, obj.lng);
|
|
|
- this._northEast = new L.LatLng(obj.lat, obj.lng);
|
|
|
- } else {
|
|
|
- this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
|
|
|
- this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
|
|
|
-
|
|
|
- this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
|
|
|
- this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
|
|
|
- }
|
|
|
- } else if (obj instanceof L.LatLngBounds) {
|
|
|
- this.extend(obj._southWest);
|
|
|
- this.extend(obj._northEast);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- // extend the bounds by a percentage
|
|
|
- pad: function (bufferRatio) { // (Number) -> LatLngBounds
|
|
|
- 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 () { // -> LatLng
|
|
|
- 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) { // (LatLngBounds) or (LatLng) -> Boolean
|
|
|
- if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
|
|
|
- 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) { // (LatLngBounds)
|
|
|
- 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;
|
|
|
- },
|
|
|
-
|
|
|
- toBBoxString: function () {
|
|
|
- return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
|
|
|
- },
|
|
|
-
|
|
|
- equals: function (bounds) { // (LatLngBounds)
|
|
|
- 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);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-//TODO International date line?
|
|
|
-
|
|
|
-L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)
|
|
|
- if (!a || a instanceof L.LatLngBounds) {
|
|
|
- return a;
|
|
|
- }
|
|
|
- return new L.LatLngBounds(a, b);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Projection contains various geographical projections used by CRS classes.
|
|
|
- */
|
|
|
-
|
|
|
-L.Projection = {};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.
|
|
|
- */
|
|
|
-
|
|
|
-L.Projection.SphericalMercator = {
|
|
|
- MAX_LATITUDE: 85.0511287798,
|
|
|
-
|
|
|
- project: function (latlng) { // (LatLng) -> Point
|
|
|
- var d = L.LatLng.DEG_TO_RAD,
|
|
|
- max = this.MAX_LATITUDE,
|
|
|
- lat = Math.max(Math.min(max, latlng.lat), -max),
|
|
|
- x = latlng.lng * d,
|
|
|
- y = lat * d;
|
|
|
-
|
|
|
- y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
|
|
|
-
|
|
|
- return new L.Point(x, y);
|
|
|
- },
|
|
|
-
|
|
|
- unproject: function (point) { // (Point, Boolean) -> LatLng
|
|
|
- var d = L.LatLng.RAD_TO_DEG,
|
|
|
- lng = point.x * d,
|
|
|
- lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;
|
|
|
-
|
|
|
- return new L.LatLng(lat, lng);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple.
|
|
|
- */
|
|
|
-
|
|
|
-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);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet.
|
|
|
- */
|
|
|
-
|
|
|
-L.CRS = {
|
|
|
- latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
|
|
|
- var projectedPoint = this.projection.project(latlng),
|
|
|
- scale = this.scale(zoom);
|
|
|
-
|
|
|
- return this.transformation._transform(projectedPoint, scale);
|
|
|
- },
|
|
|
-
|
|
|
- pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng
|
|
|
- var scale = this.scale(zoom),
|
|
|
- untransformedPoint = this.transformation.untransform(point, scale);
|
|
|
-
|
|
|
- return this.projection.unproject(untransformedPoint);
|
|
|
- },
|
|
|
-
|
|
|
- project: function (latlng) {
|
|
|
- return this.projection.project(latlng);
|
|
|
- },
|
|
|
-
|
|
|
- scale: function (zoom) {
|
|
|
- return 256 * Math.pow(2, zoom);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps.
|
|
|
- */
|
|
|
-
|
|
|
-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);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping
|
|
|
- * and is used by Leaflet by default.
|
|
|
- */
|
|
|
-
|
|
|
-L.CRS.EPSG3857 = L.extend({}, L.CRS, {
|
|
|
- code: 'EPSG:3857',
|
|
|
-
|
|
|
- projection: L.Projection.SphericalMercator,
|
|
|
- transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),
|
|
|
-
|
|
|
- project: function (latlng) { // (LatLng) -> Point
|
|
|
- var projectedPoint = this.projection.project(latlng),
|
|
|
- earthRadius = 6378137;
|
|
|
- return projectedPoint.multiplyBy(earthRadius);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
|
|
|
- code: 'EPSG:900913'
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists.
|
|
|
- */
|
|
|
-
|
|
|
-L.CRS.EPSG4326 = L.extend({}, L.CRS, {
|
|
|
- code: 'EPSG:4326',
|
|
|
-
|
|
|
- projection: L.Projection.LonLat,
|
|
|
- transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Map is the central class of the API - it is used to create a map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map = L.Class.extend({
|
|
|
-
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- options: {
|
|
|
- crs: L.CRS.EPSG3857,
|
|
|
-
|
|
|
- /*
|
|
|
- center: LatLng,
|
|
|
- zoom: Number,
|
|
|
- layers: Array,
|
|
|
- */
|
|
|
-
|
|
|
- fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,
|
|
|
- trackResize: true,
|
|
|
- markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (id, options) { // (HTMLElement or String, Object)
|
|
|
- options = L.setOptions(this, options);
|
|
|
-
|
|
|
- this._initContainer(id);
|
|
|
- this._initLayout();
|
|
|
- this._initEvents();
|
|
|
-
|
|
|
- if (options.maxBounds) {
|
|
|
- this.setMaxBounds(options.maxBounds);
|
|
|
- }
|
|
|
-
|
|
|
- if (options.center && options.zoom !== undefined) {
|
|
|
- this.setView(L.latLng(options.center), options.zoom, {reset: true});
|
|
|
- }
|
|
|
-
|
|
|
- this._initLayers(options.layers);
|
|
|
-
|
|
|
- this._handlers = [];
|
|
|
-
|
|
|
- this.callInitHooks();
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // public methods that modify map state
|
|
|
-
|
|
|
- // replaced by animation-powered implementation in Map.PanAnimation.js
|
|
|
- setView: function (center, zoom) {
|
|
|
- this._resetView(L.latLng(center), this._limitZoom(zoom));
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setZoom: function (zoom, options) {
|
|
|
- return this.setView(this.getCenter(), zoom, {zoom: options});
|
|
|
- },
|
|
|
-
|
|
|
- zoomIn: function (delta, options) {
|
|
|
- return this.setZoom(this._zoom + (delta || 1), options);
|
|
|
- },
|
|
|
-
|
|
|
- zoomOut: function (delta, options) {
|
|
|
- return this.setZoom(this._zoom - (delta || 1), 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});
|
|
|
- },
|
|
|
-
|
|
|
- fitBounds: 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)),
|
|
|
- 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 this.setView(center, zoom, options);
|
|
|
- },
|
|
|
-
|
|
|
- fitWorld: function (options) {
|
|
|
- return this.fitBounds([[-90, -180], [90, 180]], options);
|
|
|
- },
|
|
|
-
|
|
|
- panTo: function (center, options) { // (LatLng)
|
|
|
- return this.setView(center, this._zoom, {pan: options});
|
|
|
- },
|
|
|
-
|
|
|
- panBy: function (offset) { // (Point)
|
|
|
- // replaced with animated panBy in Map.Animation.js
|
|
|
- this.fire('movestart');
|
|
|
-
|
|
|
- this._rawPanBy(L.point(offset));
|
|
|
-
|
|
|
- this.fire('move');
|
|
|
- return this.fire('moveend');
|
|
|
- },
|
|
|
-
|
|
|
- setMaxBounds: function (bounds) {
|
|
|
- bounds = L.latLngBounds(bounds);
|
|
|
-
|
|
|
- this.options.maxBounds = bounds;
|
|
|
-
|
|
|
- if (!bounds) {
|
|
|
- this._boundsMinZoom = null;
|
|
|
- this.off('moveend', this._panInsideMaxBounds, this);
|
|
|
- return this;
|
|
|
- }
|
|
|
-
|
|
|
- var minZoom = this.getBoundsZoom(bounds, true);
|
|
|
-
|
|
|
- this._boundsMinZoom = minZoom;
|
|
|
-
|
|
|
- if (this._loaded) {
|
|
|
- if (this._zoom < minZoom) {
|
|
|
- this.setView(bounds.getCenter(), minZoom);
|
|
|
- } else {
|
|
|
- this.panInsideBounds(bounds);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this.on('moveend', this._panInsideMaxBounds, this);
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- panInsideBounds: function (bounds) {
|
|
|
- bounds = L.latLngBounds(bounds);
|
|
|
-
|
|
|
- var viewBounds = this.getPixelBounds(),
|
|
|
- viewSw = viewBounds.getBottomLeft(),
|
|
|
- viewNe = viewBounds.getTopRight(),
|
|
|
- sw = this.project(bounds.getSouthWest()),
|
|
|
- ne = this.project(bounds.getNorthEast()),
|
|
|
- dx = 0,
|
|
|
- dy = 0;
|
|
|
-
|
|
|
- if (viewNe.y < ne.y) { // north
|
|
|
- dy = Math.ceil(ne.y - viewNe.y);
|
|
|
- }
|
|
|
- if (viewNe.x > ne.x) { // east
|
|
|
- dx = Math.floor(ne.x - viewNe.x);
|
|
|
- }
|
|
|
- if (viewSw.y > sw.y) { // south
|
|
|
- dy = Math.floor(sw.y - viewSw.y);
|
|
|
- }
|
|
|
- if (viewSw.x < sw.x) { // west
|
|
|
- dx = Math.ceil(sw.x - viewSw.x);
|
|
|
- }
|
|
|
-
|
|
|
- if (dx || dy) {
|
|
|
- return this.panBy([dx, dy]);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addLayer: function (layer) {
|
|
|
- // TODO method is too big, refactor
|
|
|
-
|
|
|
- var id = L.stamp(layer);
|
|
|
-
|
|
|
- if (this._layers[id]) { return this; }
|
|
|
-
|
|
|
- this._layers[id] = layer;
|
|
|
-
|
|
|
- // TODO getMaxZoom, getMinZoom in ILayer (instead of options)
|
|
|
- if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) {
|
|
|
- this._zoomBoundLayers[id] = layer;
|
|
|
- this._updateZoomLevels();
|
|
|
- }
|
|
|
-
|
|
|
- // TODO looks ugly, refactor!!!
|
|
|
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
|
|
|
- this._tileLayersNum++;
|
|
|
- this._tileLayersToLoad++;
|
|
|
- layer.on('load', this._onTileLayerLoad, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (this._loaded) {
|
|
|
- this._layerAdd(layer);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeLayer: function (layer) {
|
|
|
- var id = L.stamp(layer);
|
|
|
-
|
|
|
- if (!this._layers[id]) { return; }
|
|
|
-
|
|
|
- if (this._loaded) {
|
|
|
- layer.onRemove(this);
|
|
|
- this.fire('layerremove', {layer: layer});
|
|
|
- }
|
|
|
-
|
|
|
- delete this._layers[id];
|
|
|
- if (this._zoomBoundLayers[id]) {
|
|
|
- delete this._zoomBoundLayers[id];
|
|
|
- this._updateZoomLevels();
|
|
|
- }
|
|
|
-
|
|
|
- // TODO looks ugly, refactor
|
|
|
- if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
|
|
|
- this._tileLayersNum--;
|
|
|
- this._tileLayersToLoad--;
|
|
|
- layer.off('load', this._onTileLayerLoad, this);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- hasLayer: function (layer) {
|
|
|
- if (!layer) { return false; }
|
|
|
-
|
|
|
- return (L.stamp(layer) in this._layers);
|
|
|
- },
|
|
|
-
|
|
|
- eachLayer: function (method, context) {
|
|
|
- for (var i in this._layers) {
|
|
|
- method.call(context, this._layers[i]);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- invalidateSize: function (animate) {
|
|
|
- var oldSize = this.getSize();
|
|
|
-
|
|
|
- this._sizeChanged = true;
|
|
|
-
|
|
|
- if (this.options.maxBounds) {
|
|
|
- this.setMaxBounds(this.options.maxBounds);
|
|
|
- }
|
|
|
-
|
|
|
- if (!this._loaded) { return this; }
|
|
|
-
|
|
|
- var newSize = this.getSize(),
|
|
|
- offset = oldSize.subtract(newSize).divideBy(2).round();
|
|
|
-
|
|
|
- if ((offset.x !== 0) || (offset.y !== 0)) {
|
|
|
- if (animate === true) {
|
|
|
- this.panBy(offset);
|
|
|
- } else {
|
|
|
- this._rawPanBy(offset);
|
|
|
-
|
|
|
- this.fire('move');
|
|
|
-
|
|
|
- clearTimeout(this._sizeTimer);
|
|
|
- this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
|
|
|
- }
|
|
|
- this.fire('resize', {
|
|
|
- oldSize: oldSize,
|
|
|
- newSize: newSize
|
|
|
- });
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- // TODO handler.addTo
|
|
|
- addHandler: function (name, HandlerClass) {
|
|
|
- if (!HandlerClass) { return; }
|
|
|
-
|
|
|
- var handler = this[name] = new HandlerClass(this);
|
|
|
-
|
|
|
- this._handlers.push(handler);
|
|
|
-
|
|
|
- if (this.options[name]) {
|
|
|
- handler.enable();
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- remove: function () {
|
|
|
- if (this._loaded) {
|
|
|
- this.fire('unload');
|
|
|
- }
|
|
|
-
|
|
|
- this._initEvents('off');
|
|
|
-
|
|
|
- delete this._container._leaflet;
|
|
|
-
|
|
|
- this._clearPanes();
|
|
|
- if (this._clearControlPos) {
|
|
|
- this._clearControlPos();
|
|
|
- }
|
|
|
-
|
|
|
- this._clearHandlers();
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // public methods for getting map state
|
|
|
-
|
|
|
- getCenter: function () { // (Boolean) -> LatLng
|
|
|
- this._checkIfLoaded();
|
|
|
-
|
|
|
- if (!this._moved()) {
|
|
|
- return this._initialCenter;
|
|
|
- }
|
|
|
- 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 () {
|
|
|
- var z1 = this.options.minZoom || 0,
|
|
|
- z2 = this._layersMinZoom || 0,
|
|
|
- z3 = this._boundsMinZoom || 0;
|
|
|
-
|
|
|
- return Math.max(z1, z2, z3);
|
|
|
- },
|
|
|
-
|
|
|
- getMaxZoom: function () {
|
|
|
- var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,
|
|
|
- z2 = this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom;
|
|
|
-
|
|
|
- return Math.min(z1, z2);
|
|
|
- },
|
|
|
-
|
|
|
- getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
|
|
|
- bounds = L.latLngBounds(bounds);
|
|
|
-
|
|
|
- var zoom = this.getMinZoom() - (inside ? 1 : 0),
|
|
|
- maxZoom = this.getMaxZoom(),
|
|
|
- size = this.getSize(),
|
|
|
-
|
|
|
- nw = bounds.getNorthWest(),
|
|
|
- se = bounds.getSouthEast(),
|
|
|
-
|
|
|
- zoomNotFound = true,
|
|
|
- boundsSize;
|
|
|
-
|
|
|
- padding = L.point(padding || [0, 0]);
|
|
|
-
|
|
|
- do {
|
|
|
- zoom++;
|
|
|
- boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding);
|
|
|
- zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;
|
|
|
-
|
|
|
- } while (zoomNotFound && zoom <= maxZoom);
|
|
|
-
|
|
|
- if (zoomNotFound && inside) {
|
|
|
- return null;
|
|
|
- }
|
|
|
-
|
|
|
- return inside ? zoom : zoom - 1;
|
|
|
- },
|
|
|
-
|
|
|
- getSize: function () {
|
|
|
- if (!this._size || this._sizeChanged) {
|
|
|
- this._size = new L.Point(
|
|
|
- this._container.clientWidth,
|
|
|
- this._container.clientHeight);
|
|
|
-
|
|
|
- this._sizeChanged = false;
|
|
|
- }
|
|
|
- return this._size.clone();
|
|
|
- },
|
|
|
-
|
|
|
- getPixelBounds: function () {
|
|
|
- var topLeftPoint = this._getTopLeftPoint();
|
|
|
- return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
|
|
|
- },
|
|
|
-
|
|
|
- getPixelOrigin: function () {
|
|
|
- this._checkIfLoaded();
|
|
|
- return this._initialTopLeftPoint;
|
|
|
- },
|
|
|
-
|
|
|
- getPanes: function () {
|
|
|
- return this._panes;
|
|
|
- },
|
|
|
-
|
|
|
- getContainer: function () {
|
|
|
- return this._container;
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // TODO replace with universal implementation after refactoring projections
|
|
|
-
|
|
|
- getZoomScale: function (toZoom) {
|
|
|
- var crs = this.options.crs;
|
|
|
- return crs.scale(toZoom) / crs.scale(this._zoom);
|
|
|
- },
|
|
|
-
|
|
|
- getScaleZoom: function (scale) {
|
|
|
- return this._zoom + (Math.log(scale) / Math.LN2);
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // conversion methods
|
|
|
-
|
|
|
- project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
|
|
|
- zoom = zoom === undefined ? this._zoom : zoom;
|
|
|
- return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
|
|
|
- },
|
|
|
-
|
|
|
- unproject: function (point, zoom) { // (Point[, Number]) -> LatLng
|
|
|
- zoom = zoom === undefined ? this._zoom : zoom;
|
|
|
- return this.options.crs.pointToLatLng(L.point(point), zoom);
|
|
|
- },
|
|
|
-
|
|
|
- layerPointToLatLng: function (point) { // (Point)
|
|
|
- var projectedPoint = L.point(point).add(this.getPixelOrigin());
|
|
|
- return this.unproject(projectedPoint);
|
|
|
- },
|
|
|
-
|
|
|
- latLngToLayerPoint: function (latlng) { // (LatLng)
|
|
|
- var projectedPoint = this.project(L.latLng(latlng))._round();
|
|
|
- return projectedPoint._subtract(this.getPixelOrigin());
|
|
|
- },
|
|
|
-
|
|
|
- containerPointToLayerPoint: function (point) { // (Point)
|
|
|
- return L.point(point).subtract(this._getMapPanePos());
|
|
|
- },
|
|
|
-
|
|
|
- layerPointToContainerPoint: function (point) { // (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) { // (MouseEvent)
|
|
|
- return L.DomEvent.getMousePosition(e, this._container);
|
|
|
- },
|
|
|
-
|
|
|
- mouseEventToLayerPoint: function (e) { // (MouseEvent)
|
|
|
- return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
|
|
|
- },
|
|
|
-
|
|
|
- mouseEventToLatLng: function (e) { // (MouseEvent)
|
|
|
- return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // map initialization methods
|
|
|
-
|
|
|
- _initContainer: function (id) {
|
|
|
- var container = this._container = L.DomUtil.get(id);
|
|
|
-
|
|
|
- if (!container) {
|
|
|
- throw new Error('Map container not found.');
|
|
|
- } else if (container._leaflet) {
|
|
|
- throw new Error('Map container is already initialized.');
|
|
|
- }
|
|
|
-
|
|
|
- container._leaflet = true;
|
|
|
- },
|
|
|
-
|
|
|
- _initLayout: function () {
|
|
|
- var container = this._container;
|
|
|
-
|
|
|
- L.DomUtil.addClass(container, 'leaflet-container' +
|
|
|
- (L.Browser.touch ? ' leaflet-touch' : '') +
|
|
|
- (L.Browser.retina ? ' leaflet-retina' : '') +
|
|
|
- (this.options.fadeAnimation ? ' 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._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);
|
|
|
-
|
|
|
- this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);
|
|
|
- panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);
|
|
|
- panes.shadowPane = this._createPane('leaflet-shadow-pane');
|
|
|
- panes.overlayPane = this._createPane('leaflet-overlay-pane');
|
|
|
- panes.markerPane = this._createPane('leaflet-marker-pane');
|
|
|
- panes.popupPane = this._createPane('leaflet-popup-pane');
|
|
|
-
|
|
|
- var zoomHide = ' leaflet-zoom-hide';
|
|
|
-
|
|
|
- if (!this.options.markerZoomAnimation) {
|
|
|
- L.DomUtil.addClass(panes.markerPane, zoomHide);
|
|
|
- L.DomUtil.addClass(panes.shadowPane, zoomHide);
|
|
|
- L.DomUtil.addClass(panes.popupPane, zoomHide);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _createPane: function (className, container) {
|
|
|
- return L.DomUtil.create('div', className, container || this._panes.objectsPane);
|
|
|
- },
|
|
|
-
|
|
|
- _clearPanes: function () {
|
|
|
- this._container.removeChild(this._mapPane);
|
|
|
- },
|
|
|
-
|
|
|
- _initLayers: function (layers) {
|
|
|
- layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];
|
|
|
-
|
|
|
- this._layers = {};
|
|
|
- this._zoomBoundLayers = {};
|
|
|
- this._tileLayersNum = 0;
|
|
|
-
|
|
|
- var i, len;
|
|
|
-
|
|
|
- for (i = 0, len = layers.length; i < len; i++) {
|
|
|
- this.addLayer(layers[i]);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // private methods that modify map state
|
|
|
-
|
|
|
- _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {
|
|
|
-
|
|
|
- var zoomChanged = (this._zoom !== zoom);
|
|
|
-
|
|
|
- if (!afterZoomAnim) {
|
|
|
- this.fire('movestart');
|
|
|
-
|
|
|
- if (zoomChanged) {
|
|
|
- this.fire('zoomstart');
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this._zoom = zoom;
|
|
|
- this._initialCenter = center;
|
|
|
-
|
|
|
- this._initialTopLeftPoint = this._getNewTopLeftPoint(center);
|
|
|
-
|
|
|
- if (!preserveMapOffset) {
|
|
|
- L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
|
|
|
- } else {
|
|
|
- this._initialTopLeftPoint._add(this._getMapPanePos());
|
|
|
- }
|
|
|
-
|
|
|
- this._tileLayersToLoad = this._tileLayersNum;
|
|
|
-
|
|
|
- var loading = !this._loaded;
|
|
|
- this._loaded = true;
|
|
|
-
|
|
|
- if (loading) {
|
|
|
- this.fire('load');
|
|
|
- this.eachLayer(this._layerAdd, this);
|
|
|
- }
|
|
|
-
|
|
|
- this.fire('viewreset', {hard: !preserveMapOffset});
|
|
|
-
|
|
|
- this.fire('move');
|
|
|
-
|
|
|
- if (zoomChanged || afterZoomAnim) {
|
|
|
- this.fire('zoomend');
|
|
|
- }
|
|
|
-
|
|
|
- this.fire('moveend', {hard: !preserveMapOffset});
|
|
|
- },
|
|
|
-
|
|
|
- _rawPanBy: function (offset) {
|
|
|
- L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
|
|
|
- },
|
|
|
-
|
|
|
- _getZoomSpan: function () {
|
|
|
- return this.getMaxZoom() - this.getMinZoom();
|
|
|
- },
|
|
|
-
|
|
|
- _updateZoomLevels: function () {
|
|
|
- var i,
|
|
|
- minZoom = Infinity,
|
|
|
- maxZoom = -Infinity,
|
|
|
- oldZoomSpan = this._getZoomSpan();
|
|
|
-
|
|
|
- for (i in this._zoomBoundLayers) {
|
|
|
- var layer = this._zoomBoundLayers[i];
|
|
|
- if (!isNaN(layer.options.minZoom)) {
|
|
|
- minZoom = Math.min(minZoom, layer.options.minZoom);
|
|
|
- }
|
|
|
- if (!isNaN(layer.options.maxZoom)) {
|
|
|
- maxZoom = Math.max(maxZoom, layer.options.maxZoom);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (i === undefined) { // we have no tilelayers
|
|
|
- this._layersMaxZoom = this._layersMinZoom = undefined;
|
|
|
- } else {
|
|
|
- this._layersMaxZoom = maxZoom;
|
|
|
- this._layersMinZoom = minZoom;
|
|
|
- }
|
|
|
-
|
|
|
- if (oldZoomSpan !== this._getZoomSpan()) {
|
|
|
- this.fire('zoomlevelschange');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _panInsideMaxBounds: function () {
|
|
|
- this.panInsideBounds(this.options.maxBounds);
|
|
|
- },
|
|
|
-
|
|
|
- _checkIfLoaded: function () {
|
|
|
- if (!this._loaded) {
|
|
|
- throw new Error('Set map center and zoom first.');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- // map events
|
|
|
-
|
|
|
- _initEvents: function (onOff) {
|
|
|
- if (!L.DomEvent) { return; }
|
|
|
-
|
|
|
- onOff = onOff || 'on';
|
|
|
-
|
|
|
- L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);
|
|
|
-
|
|
|
- var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
|
|
|
- 'mouseleave', 'mousemove', 'contextmenu'],
|
|
|
- i, len;
|
|
|
-
|
|
|
- for (i = 0, len = events.length; i < len; i++) {
|
|
|
- L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (this.options.trackResize) {
|
|
|
- L.DomEvent[onOff](window, 'resize', this._onResize, this);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onResize: function () {
|
|
|
- L.Util.cancelAnimFrame(this._resizeRequest);
|
|
|
- this._resizeRequest = L.Util.requestAnimFrame(
|
|
|
- this.invalidateSize, this, false, this._container);
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseClick: function (e) {
|
|
|
- if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }
|
|
|
-
|
|
|
- this.fire('preclick');
|
|
|
- this._fireMouseEvent(e);
|
|
|
- },
|
|
|
-
|
|
|
- _fireMouseEvent: function (e) {
|
|
|
- if (!this._loaded) { return; }
|
|
|
-
|
|
|
- var type = e.type;
|
|
|
-
|
|
|
- type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));
|
|
|
-
|
|
|
- if (!this.hasEventListeners(type)) { return; }
|
|
|
-
|
|
|
- if (type === 'contextmenu') {
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- }
|
|
|
-
|
|
|
- var containerPoint = this.mouseEventToContainerPoint(e),
|
|
|
- layerPoint = this.containerPointToLayerPoint(containerPoint),
|
|
|
- latlng = this.layerPointToLatLng(layerPoint);
|
|
|
-
|
|
|
- this.fire(type, {
|
|
|
- latlng: latlng,
|
|
|
- layerPoint: layerPoint,
|
|
|
- containerPoint: containerPoint,
|
|
|
- originalEvent: e
|
|
|
- });
|
|
|
- },
|
|
|
-
|
|
|
- _onTileLayerLoad: function () {
|
|
|
- this._tileLayersToLoad--;
|
|
|
- if (this._tileLayersNum && !this._tileLayersToLoad) {
|
|
|
- this.fire('tilelayersload');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _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, this);
|
|
|
- } else {
|
|
|
- this.on('load', callback, context);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _layerAdd: function (layer) {
|
|
|
- layer.onAdd(this);
|
|
|
- this.fire('layeradd', {layer: layer});
|
|
|
- },
|
|
|
-
|
|
|
-
|
|
|
- // private methods for getting map state
|
|
|
-
|
|
|
- _getMapPanePos: function () {
|
|
|
- return L.DomUtil.getPosition(this._mapPane);
|
|
|
- },
|
|
|
-
|
|
|
- _moved: function () {
|
|
|
- var pos = this._getMapPanePos();
|
|
|
- return pos && !pos.equals([0, 0]);
|
|
|
- },
|
|
|
-
|
|
|
- _getTopLeftPoint: function () {
|
|
|
- return this.getPixelOrigin().subtract(this._getMapPanePos());
|
|
|
- },
|
|
|
-
|
|
|
- _getNewTopLeftPoint: function (center, zoom) {
|
|
|
- var viewHalf = this.getSize()._divideBy(2);
|
|
|
- // TODO round on display, not calculation to increase precision?
|
|
|
- return this.project(center, zoom)._subtract(viewHalf)._round();
|
|
|
- },
|
|
|
-
|
|
|
- _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {
|
|
|
- var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());
|
|
|
- return this.project(latlng, newZoom)._subtract(topLeft);
|
|
|
- },
|
|
|
-
|
|
|
- // layer point of the current center
|
|
|
- _getCenterLayerPoint: function () {
|
|
|
- return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
|
|
|
- },
|
|
|
-
|
|
|
- // offset of the specified place to the current center in pixels
|
|
|
- _getCenterOffset: function (latlng) {
|
|
|
- return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
|
|
|
- },
|
|
|
-
|
|
|
- _limitZoom: function (zoom) {
|
|
|
- var min = this.getMinZoom(),
|
|
|
- max = this.getMaxZoom();
|
|
|
-
|
|
|
- return Math.max(min, Math.min(max, zoom));
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.map = function (id, options) {
|
|
|
- return new L.Map(id, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Mercator projection that takes into account that the Earth is not a perfect sphere.
|
|
|
- * Less popular than spherical mercator; used by projections like EPSG:3395.
|
|
|
- */
|
|
|
-
|
|
|
-L.Projection.Mercator = {
|
|
|
- MAX_LATITUDE: 85.0840591556,
|
|
|
-
|
|
|
- R_MINOR: 6356752.3142,
|
|
|
- R_MAJOR: 6378137,
|
|
|
-
|
|
|
- project: function (latlng) { // (LatLng) -> Point
|
|
|
- var d = L.LatLng.DEG_TO_RAD,
|
|
|
- max = this.MAX_LATITUDE,
|
|
|
- lat = Math.max(Math.min(max, latlng.lat), -max),
|
|
|
- r = this.R_MAJOR,
|
|
|
- r2 = this.R_MINOR,
|
|
|
- x = latlng.lng * d * r,
|
|
|
- y = lat * d,
|
|
|
- tmp = r2 / r,
|
|
|
- eccent = Math.sqrt(1.0 - tmp * tmp),
|
|
|
- con = eccent * Math.sin(y);
|
|
|
-
|
|
|
- con = Math.pow((1 - con) / (1 + con), eccent * 0.5);
|
|
|
-
|
|
|
- var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;
|
|
|
- y = -r2 * Math.log(ts);
|
|
|
-
|
|
|
- return new L.Point(x, y);
|
|
|
- },
|
|
|
-
|
|
|
- unproject: function (point) { // (Point, Boolean) -> LatLng
|
|
|
- var d = L.LatLng.RAD_TO_DEG,
|
|
|
- r = this.R_MAJOR,
|
|
|
- r2 = this.R_MINOR,
|
|
|
- lng = point.x * d / r,
|
|
|
- tmp = r2 / r,
|
|
|
- eccent = Math.sqrt(1 - (tmp * tmp)),
|
|
|
- ts = Math.exp(- point.y / r2),
|
|
|
- phi = (Math.PI / 2) - 2 * Math.atan(ts),
|
|
|
- numIter = 15,
|
|
|
- tol = 1e-7,
|
|
|
- i = numIter,
|
|
|
- dphi = 0.1,
|
|
|
- con;
|
|
|
-
|
|
|
- while ((Math.abs(dphi) > tol) && (--i > 0)) {
|
|
|
- con = eccent * Math.sin(phi);
|
|
|
- dphi = (Math.PI / 2) - 2 * Math.atan(ts *
|
|
|
- Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;
|
|
|
- phi += dphi;
|
|
|
- }
|
|
|
-
|
|
|
- return new L.LatLng(phi * d, lng);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-
|
|
|
-L.CRS.EPSG3395 = L.extend({}, L.CRS, {
|
|
|
- code: 'EPSG:3395',
|
|
|
-
|
|
|
- projection: L.Projection.Mercator,
|
|
|
-
|
|
|
- transformation: (function () {
|
|
|
- var m = L.Projection.Mercator,
|
|
|
- r = m.R_MAJOR,
|
|
|
- r2 = m.R_MINOR;
|
|
|
-
|
|
|
- return new L.Transformation(0.5 / (Math.PI * r), 0.5, -0.5 / (Math.PI * r2), 0.5);
|
|
|
- }())
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.TileLayer is used for standard xyz-numbered tile layers.
|
|
|
- */
|
|
|
-
|
|
|
-L.TileLayer = L.Class.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- options: {
|
|
|
- minZoom: 0,
|
|
|
- maxZoom: 18,
|
|
|
- tileSize: 256,
|
|
|
- subdomains: 'abc',
|
|
|
- errorTileUrl: '',
|
|
|
- attribution: '',
|
|
|
- zoomOffset: 0,
|
|
|
- opacity: 1,
|
|
|
- /* (undefined works too)
|
|
|
- zIndex: null,
|
|
|
- tms: false,
|
|
|
- continuousWorld: false,
|
|
|
- noWrap: false,
|
|
|
- zoomReverse: false,
|
|
|
- detectRetina: false,
|
|
|
- reuseTiles: false,
|
|
|
- bounds: false,
|
|
|
- */
|
|
|
- unloadInvisibleTiles: L.Browser.mobile,
|
|
|
- updateWhenIdle: L.Browser.mobile
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (url, options) {
|
|
|
- options = L.setOptions(this, options);
|
|
|
-
|
|
|
- // detecting retina displays, adjusting tileSize and zoom levels
|
|
|
- if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {
|
|
|
-
|
|
|
- options.tileSize = Math.floor(options.tileSize / 2);
|
|
|
- options.zoomOffset++;
|
|
|
-
|
|
|
- if (options.minZoom > 0) {
|
|
|
- options.minZoom--;
|
|
|
- }
|
|
|
- this.options.maxZoom--;
|
|
|
- }
|
|
|
-
|
|
|
- if (options.bounds) {
|
|
|
- options.bounds = L.latLngBounds(options.bounds);
|
|
|
- }
|
|
|
-
|
|
|
- this._url = url;
|
|
|
-
|
|
|
- var subdomains = this.options.subdomains;
|
|
|
-
|
|
|
- if (typeof subdomains === 'string') {
|
|
|
- this.options.subdomains = subdomains.split('');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
- this._animated = map.options.zoomAnimation && L.Browser.any3d;
|
|
|
-
|
|
|
- // create a container div for tiles
|
|
|
- this._initContainer();
|
|
|
-
|
|
|
- // create an image to clone for tiles
|
|
|
- this._createTileProto();
|
|
|
-
|
|
|
- // set up events
|
|
|
- map.on({
|
|
|
- 'viewreset': this._reset,
|
|
|
- 'moveend': this._update
|
|
|
- }, this);
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- map.on({
|
|
|
- 'zoomanim': this._animateZoom,
|
|
|
- 'zoomend': this._endZoomAnim
|
|
|
- }, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (!this.options.updateWhenIdle) {
|
|
|
- this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
|
|
|
- map.on('move', this._limitedUpdate, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._reset();
|
|
|
- this._update();
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- this._container.parentNode.removeChild(this._container);
|
|
|
-
|
|
|
- map.off({
|
|
|
- 'viewreset': this._reset,
|
|
|
- 'moveend': this._update
|
|
|
- }, this);
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- map.off({
|
|
|
- 'zoomanim': this._animateZoom,
|
|
|
- 'zoomend': this._endZoomAnim
|
|
|
- }, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (!this.options.updateWhenIdle) {
|
|
|
- map.off('move', this._limitedUpdate, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._container = null;
|
|
|
- this._map = null;
|
|
|
- },
|
|
|
-
|
|
|
- bringToFront: function () {
|
|
|
- var pane = this._map._panes.tilePane;
|
|
|
-
|
|
|
- if (this._container) {
|
|
|
- pane.appendChild(this._container);
|
|
|
- this._setAutoZIndex(pane, Math.max);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- bringToBack: function () {
|
|
|
- var pane = this._map._panes.tilePane;
|
|
|
-
|
|
|
- if (this._container) {
|
|
|
- pane.insertBefore(this._container, pane.firstChild);
|
|
|
- this._setAutoZIndex(pane, Math.min);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- getAttribution: function () {
|
|
|
- return this.options.attribution;
|
|
|
- },
|
|
|
-
|
|
|
- getContainer: function () {
|
|
|
- return this._container;
|
|
|
- },
|
|
|
-
|
|
|
- setOpacity: function (opacity) {
|
|
|
- this.options.opacity = opacity;
|
|
|
-
|
|
|
- if (this._map) {
|
|
|
- this._updateOpacity();
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setZIndex: function (zIndex) {
|
|
|
- this.options.zIndex = zIndex;
|
|
|
- this._updateZIndex();
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setUrl: function (url, noRedraw) {
|
|
|
- this._url = url;
|
|
|
-
|
|
|
- if (!noRedraw) {
|
|
|
- this.redraw();
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- redraw: function () {
|
|
|
- if (this._map) {
|
|
|
- this._reset({hard: true});
|
|
|
- this._update();
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _updateZIndex: function () {
|
|
|
- if (this._container && this.options.zIndex !== undefined) {
|
|
|
- this._container.style.zIndex = this.options.zIndex;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _setAutoZIndex: function (pane, compare) {
|
|
|
-
|
|
|
- var layers = pane.children,
|
|
|
- edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min
|
|
|
- zIndex, i, len;
|
|
|
-
|
|
|
- for (i = 0, len = layers.length; i < len; i++) {
|
|
|
-
|
|
|
- if (layers[i] !== this._container) {
|
|
|
- zIndex = parseInt(layers[i].style.zIndex, 10);
|
|
|
-
|
|
|
- if (!isNaN(zIndex)) {
|
|
|
- edgeZIndex = compare(edgeZIndex, zIndex);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this.options.zIndex = this._container.style.zIndex =
|
|
|
- (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);
|
|
|
- },
|
|
|
-
|
|
|
- _updateOpacity: function () {
|
|
|
- var i,
|
|
|
- tiles = this._tiles;
|
|
|
-
|
|
|
- if (L.Browser.ielt9) {
|
|
|
- for (i in tiles) {
|
|
|
- L.DomUtil.setOpacity(tiles[i], this.options.opacity);
|
|
|
- }
|
|
|
- } else {
|
|
|
- L.DomUtil.setOpacity(this._container, this.options.opacity);
|
|
|
- }
|
|
|
-
|
|
|
- // stupid webkit hack to force redrawing of tiles
|
|
|
- if (L.Browser.webkit) {
|
|
|
- for (i in tiles) {
|
|
|
- tiles[i].style.webkitTransform += ' translate(0,0)';
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _initContainer: function () {
|
|
|
- var tilePane = this._map._panes.tilePane;
|
|
|
-
|
|
|
- if (!this._container) {
|
|
|
- this._container = L.DomUtil.create('div', 'leaflet-layer');
|
|
|
-
|
|
|
- this._updateZIndex();
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- var className = 'leaflet-tile-container leaflet-zoom-animated';
|
|
|
-
|
|
|
- this._bgBuffer = L.DomUtil.create('div', className, this._container);
|
|
|
- this._bgBuffer.style.zIndex = 1;
|
|
|
-
|
|
|
- this._tileContainer = L.DomUtil.create('div', className, this._container);
|
|
|
- this._tileContainer.style.zIndex = 2;
|
|
|
-
|
|
|
- } else {
|
|
|
- this._tileContainer = this._container;
|
|
|
- }
|
|
|
-
|
|
|
- tilePane.appendChild(this._container);
|
|
|
-
|
|
|
- if (this.options.opacity < 1) {
|
|
|
- this._updateOpacity();
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _reset: function (e) {
|
|
|
- for (var key in this._tiles) {
|
|
|
- this.fire('tileunload', {tile: this._tiles[key]});
|
|
|
- }
|
|
|
-
|
|
|
- this._tiles = {};
|
|
|
- this._tilesToLoad = 0;
|
|
|
-
|
|
|
- if (this.options.reuseTiles) {
|
|
|
- this._unusedTiles = [];
|
|
|
- }
|
|
|
-
|
|
|
- this._tileContainer.innerHTML = '';
|
|
|
-
|
|
|
- if (this._animated && e && e.hard) {
|
|
|
- this._clearBgBuffer();
|
|
|
- }
|
|
|
-
|
|
|
- this._initContainer();
|
|
|
- },
|
|
|
-
|
|
|
- _update: function () {
|
|
|
-
|
|
|
- if (!this._map) { return; }
|
|
|
-
|
|
|
- var bounds = this._map.getPixelBounds(),
|
|
|
- zoom = this._map.getZoom(),
|
|
|
- tileSize = this.options.tileSize;
|
|
|
-
|
|
|
- if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- var tileBounds = L.bounds(
|
|
|
- bounds.min.divideBy(tileSize)._floor(),
|
|
|
- bounds.max.divideBy(tileSize)._floor());
|
|
|
-
|
|
|
- this._addTilesFromCenterOut(tileBounds);
|
|
|
-
|
|
|
- if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {
|
|
|
- this._removeOtherTiles(tileBounds);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _addTilesFromCenterOut: function (bounds) {
|
|
|
- var queue = [],
|
|
|
- center = bounds.getCenter();
|
|
|
-
|
|
|
- var j, i, point;
|
|
|
-
|
|
|
- for (j = bounds.min.y; j <= bounds.max.y; j++) {
|
|
|
- for (i = bounds.min.x; i <= bounds.max.x; i++) {
|
|
|
- point = new L.Point(i, j);
|
|
|
-
|
|
|
- if (this._tileShouldBeLoaded(point)) {
|
|
|
- queue.push(point);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- var tilesToLoad = queue.length;
|
|
|
-
|
|
|
- if (tilesToLoad === 0) { return; }
|
|
|
-
|
|
|
- // load tiles in order of their distance to center
|
|
|
- queue.sort(function (a, b) {
|
|
|
- return a.distanceTo(center) - b.distanceTo(center);
|
|
|
- });
|
|
|
-
|
|
|
- var fragment = document.createDocumentFragment();
|
|
|
-
|
|
|
- // if its the first batch of tiles to load
|
|
|
- if (!this._tilesToLoad) {
|
|
|
- this.fire('loading');
|
|
|
- }
|
|
|
-
|
|
|
- this._tilesToLoad += tilesToLoad;
|
|
|
-
|
|
|
- for (i = 0; i < tilesToLoad; i++) {
|
|
|
- this._addTile(queue[i], fragment);
|
|
|
- }
|
|
|
-
|
|
|
- this._tileContainer.appendChild(fragment);
|
|
|
- },
|
|
|
-
|
|
|
- _tileShouldBeLoaded: function (tilePoint) {
|
|
|
- if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
|
|
|
- return false; // already loaded
|
|
|
- }
|
|
|
-
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- if (!options.continuousWorld) {
|
|
|
- var limit = this._getWrapTileNum();
|
|
|
-
|
|
|
- // don't load if exceeds world bounds
|
|
|
- if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit)) ||
|
|
|
- tilePoint.y < 0 || tilePoint.y >= limit) { return false; }
|
|
|
- }
|
|
|
-
|
|
|
- if (options.bounds) {
|
|
|
- var tileSize = options.tileSize,
|
|
|
- nwPoint = tilePoint.multiplyBy(tileSize),
|
|
|
- sePoint = nwPoint.add([tileSize, tileSize]),
|
|
|
- nw = this._map.unproject(nwPoint),
|
|
|
- se = this._map.unproject(sePoint);
|
|
|
-
|
|
|
- // TODO temporary hack, will be removed after refactoring projections
|
|
|
- // https://github.com/Leaflet/Leaflet/issues/1618
|
|
|
- if (!options.continuousWorld && !options.noWrap) {
|
|
|
- nw = nw.wrap();
|
|
|
- se = se.wrap();
|
|
|
- }
|
|
|
-
|
|
|
- if (!options.bounds.intersects([nw, se])) { return false; }
|
|
|
- }
|
|
|
-
|
|
|
- return true;
|
|
|
- },
|
|
|
-
|
|
|
- _removeOtherTiles: function (bounds) {
|
|
|
- var kArr, x, y, key;
|
|
|
-
|
|
|
- for (key in this._tiles) {
|
|
|
- kArr = key.split(':');
|
|
|
- x = parseInt(kArr[0], 10);
|
|
|
- y = parseInt(kArr[1], 10);
|
|
|
-
|
|
|
- // remove tile if it's out of bounds
|
|
|
- if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
|
|
|
- this._removeTile(key);
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _removeTile: function (key) {
|
|
|
- var tile = this._tiles[key];
|
|
|
-
|
|
|
- this.fire('tileunload', {tile: tile, url: tile.src});
|
|
|
-
|
|
|
- if (this.options.reuseTiles) {
|
|
|
- L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');
|
|
|
- this._unusedTiles.push(tile);
|
|
|
-
|
|
|
- } else if (tile.parentNode === this._tileContainer) {
|
|
|
- this._tileContainer.removeChild(tile);
|
|
|
- }
|
|
|
-
|
|
|
- // for https://github.com/CloudMade/Leaflet/issues/137
|
|
|
- if (!L.Browser.android) {
|
|
|
- tile.onload = null;
|
|
|
- tile.src = L.Util.emptyImageUrl;
|
|
|
- }
|
|
|
-
|
|
|
- delete this._tiles[key];
|
|
|
- },
|
|
|
-
|
|
|
- _addTile: function (tilePoint, container) {
|
|
|
- var tilePos = this._getTilePos(tilePoint);
|
|
|
-
|
|
|
- // get unused tile - or create a new tile
|
|
|
- var tile = this._getTile();
|
|
|
-
|
|
|
- /*
|
|
|
- Chrome 20 layouts much faster with top/left (verify with timeline, frames)
|
|
|
- Android 4 browser has display issues with top/left and requires transform instead
|
|
|
- Android 2 browser requires top/left or tiles disappear on load or first drag
|
|
|
- (reappear after zoom) https://github.com/CloudMade/Leaflet/issues/866
|
|
|
- (other browsers don't currently care) - see debug/hacks/jitter.html for an example
|
|
|
- */
|
|
|
- L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome || L.Browser.android23);
|
|
|
-
|
|
|
- this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;
|
|
|
-
|
|
|
- this._loadTile(tile, tilePoint);
|
|
|
-
|
|
|
- if (tile.parentNode !== this._tileContainer) {
|
|
|
- container.appendChild(tile);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _getZoomForUrl: function () {
|
|
|
-
|
|
|
- var options = this.options,
|
|
|
- zoom = this._map.getZoom();
|
|
|
-
|
|
|
- if (options.zoomReverse) {
|
|
|
- zoom = options.maxZoom - zoom;
|
|
|
- }
|
|
|
-
|
|
|
- return zoom + options.zoomOffset;
|
|
|
- },
|
|
|
-
|
|
|
- _getTilePos: function (tilePoint) {
|
|
|
- var origin = this._map.getPixelOrigin(),
|
|
|
- tileSize = this.options.tileSize;
|
|
|
-
|
|
|
- return tilePoint.multiplyBy(tileSize).subtract(origin);
|
|
|
- },
|
|
|
-
|
|
|
- // image-specific code (override to implement e.g. Canvas or SVG tile layer)
|
|
|
-
|
|
|
- getTileUrl: function (tilePoint) {
|
|
|
- return L.Util.template(this._url, L.extend({
|
|
|
- s: this._getSubdomain(tilePoint),
|
|
|
- z: tilePoint.z,
|
|
|
- x: tilePoint.x,
|
|
|
- y: tilePoint.y
|
|
|
- }, this.options));
|
|
|
- },
|
|
|
-
|
|
|
- _getWrapTileNum: function () {
|
|
|
- // TODO refactor, limit is not valid for non-standard projections
|
|
|
- return Math.pow(2, this._getZoomForUrl());
|
|
|
- },
|
|
|
-
|
|
|
- _adjustTilePoint: function (tilePoint) {
|
|
|
-
|
|
|
- var limit = this._getWrapTileNum();
|
|
|
-
|
|
|
- // wrap tile coordinates
|
|
|
- if (!this.options.continuousWorld && !this.options.noWrap) {
|
|
|
- tilePoint.x = ((tilePoint.x % limit) + limit) % limit;
|
|
|
- }
|
|
|
-
|
|
|
- if (this.options.tms) {
|
|
|
- tilePoint.y = limit - tilePoint.y - 1;
|
|
|
- }
|
|
|
-
|
|
|
- tilePoint.z = this._getZoomForUrl();
|
|
|
- },
|
|
|
-
|
|
|
- _getSubdomain: function (tilePoint) {
|
|
|
- var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
|
|
|
- return this.options.subdomains[index];
|
|
|
- },
|
|
|
-
|
|
|
- _createTileProto: function () {
|
|
|
- var img = this._tileImg = L.DomUtil.create('img', 'leaflet-tile');
|
|
|
- img.style.width = img.style.height = this.options.tileSize + 'px';
|
|
|
- img.galleryimg = 'no';
|
|
|
- },
|
|
|
-
|
|
|
- _getTile: function () {
|
|
|
- if (this.options.reuseTiles && this._unusedTiles.length > 0) {
|
|
|
- var tile = this._unusedTiles.pop();
|
|
|
- this._resetTile(tile);
|
|
|
- return tile;
|
|
|
- }
|
|
|
- return this._createTile();
|
|
|
- },
|
|
|
-
|
|
|
- // Override if data stored on a tile needs to be cleaned up before reuse
|
|
|
- _resetTile: function (/*tile*/) {},
|
|
|
-
|
|
|
- _createTile: function () {
|
|
|
- var tile = this._tileImg.cloneNode(false);
|
|
|
- tile.onselectstart = tile.onmousemove = L.Util.falseFn;
|
|
|
-
|
|
|
- if (L.Browser.ielt9 && this.options.opacity !== undefined) {
|
|
|
- L.DomUtil.setOpacity(tile, this.options.opacity);
|
|
|
- }
|
|
|
- return tile;
|
|
|
- },
|
|
|
-
|
|
|
- _loadTile: function (tile, tilePoint) {
|
|
|
- tile._layer = this;
|
|
|
- tile.onload = this._tileOnLoad;
|
|
|
- tile.onerror = this._tileOnError;
|
|
|
-
|
|
|
- this._adjustTilePoint(tilePoint);
|
|
|
- tile.src = this.getTileUrl(tilePoint);
|
|
|
- },
|
|
|
-
|
|
|
- _tileLoaded: function () {
|
|
|
- this._tilesToLoad--;
|
|
|
- if (!this._tilesToLoad) {
|
|
|
- this.fire('load');
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- // clear scaled tiles after all new tiles are loaded (for performance)
|
|
|
- clearTimeout(this._clearBgBufferTimer);
|
|
|
- this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500);
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _tileOnLoad: function () {
|
|
|
- var layer = this._layer;
|
|
|
-
|
|
|
- //Only if we are loading an actual image
|
|
|
- if (this.src !== L.Util.emptyImageUrl) {
|
|
|
- L.DomUtil.addClass(this, 'leaflet-tile-loaded');
|
|
|
-
|
|
|
- layer.fire('tileload', {
|
|
|
- tile: this,
|
|
|
- url: this.src
|
|
|
- });
|
|
|
- }
|
|
|
-
|
|
|
- layer._tileLoaded();
|
|
|
- },
|
|
|
-
|
|
|
- _tileOnError: function () {
|
|
|
- var layer = this._layer;
|
|
|
-
|
|
|
- layer.fire('tileerror', {
|
|
|
- tile: this,
|
|
|
- url: this.src
|
|
|
- });
|
|
|
-
|
|
|
- var newUrl = layer.options.errorTileUrl;
|
|
|
- if (newUrl) {
|
|
|
- this.src = newUrl;
|
|
|
- }
|
|
|
-
|
|
|
- layer._tileLoaded();
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.tileLayer = function (url, options) {
|
|
|
- return new L.TileLayer(url, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.TileLayer.WMS is used for putting WMS tile layers on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.TileLayer.WMS = L.TileLayer.extend({
|
|
|
-
|
|
|
- defaultWmsParams: {
|
|
|
- service: 'WMS',
|
|
|
- request: 'GetMap',
|
|
|
- version: '1.1.1',
|
|
|
- layers: '',
|
|
|
- styles: '',
|
|
|
- format: 'image/jpeg',
|
|
|
- transparent: false
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (url, options) { // (String, Object)
|
|
|
-
|
|
|
- this._url = url;
|
|
|
-
|
|
|
- var wmsParams = L.extend({}, this.defaultWmsParams),
|
|
|
- tileSize = options.tileSize || this.options.tileSize;
|
|
|
-
|
|
|
- if (options.detectRetina && L.Browser.retina) {
|
|
|
- wmsParams.width = wmsParams.height = tileSize * 2;
|
|
|
- } else {
|
|
|
- wmsParams.width = wmsParams.height = tileSize;
|
|
|
- }
|
|
|
-
|
|
|
- for (var i in options) {
|
|
|
- // all keys that are not TileLayer options go to WMS params
|
|
|
- if (!this.options.hasOwnProperty(i)) {
|
|
|
- wmsParams[i] = options[i];
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this.wmsParams = wmsParams;
|
|
|
-
|
|
|
- L.setOptions(this, options);
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
-
|
|
|
- var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';
|
|
|
- this.wmsParams[projectionKey] = map.options.crs.code;
|
|
|
-
|
|
|
- L.TileLayer.prototype.onAdd.call(this, map);
|
|
|
- },
|
|
|
-
|
|
|
- getTileUrl: function (tilePoint, zoom) { // (Point, Number) -> String
|
|
|
-
|
|
|
- var map = this._map,
|
|
|
- crs = map.options.crs,
|
|
|
- tileSize = this.options.tileSize,
|
|
|
-
|
|
|
- nwPoint = tilePoint.multiplyBy(tileSize),
|
|
|
- sePoint = nwPoint.add([tileSize, tileSize]),
|
|
|
-
|
|
|
- nw = crs.project(map.unproject(nwPoint, zoom)),
|
|
|
- se = crs.project(map.unproject(sePoint, zoom)),
|
|
|
-
|
|
|
- bbox = [nw.x, se.y, se.x, nw.y].join(','),
|
|
|
-
|
|
|
- url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});
|
|
|
-
|
|
|
- return url + L.Util.getParamString(this.wmsParams, url, true) + '&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.TileLayer.Canvas is a class that you can use as a base for creating
|
|
|
- * dynamically drawn Canvas-based tile layers.
|
|
|
- */
|
|
|
-
|
|
|
-L.TileLayer.Canvas = L.TileLayer.extend({
|
|
|
- options: {
|
|
|
- async: false
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (options) {
|
|
|
- L.setOptions(this, options);
|
|
|
- },
|
|
|
-
|
|
|
- redraw: function () {
|
|
|
- for (var i in this._tiles) {
|
|
|
- this._redrawTile(this._tiles[i]);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _redrawTile: function (tile) {
|
|
|
- this.drawTile(tile, tile._tilePoint, this._map._zoom);
|
|
|
- },
|
|
|
-
|
|
|
- _createTileProto: function () {
|
|
|
- var proto = this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');
|
|
|
- proto.width = proto.height = this.options.tileSize;
|
|
|
- },
|
|
|
-
|
|
|
- _createTile: function () {
|
|
|
- var tile = this._canvasProto.cloneNode(false);
|
|
|
- tile.onselectstart = tile.onmousemove = L.Util.falseFn;
|
|
|
- return tile;
|
|
|
- },
|
|
|
-
|
|
|
- _loadTile: function (tile, tilePoint) {
|
|
|
- tile._layer = this;
|
|
|
- tile._tilePoint = tilePoint;
|
|
|
-
|
|
|
- this._redrawTile(tile);
|
|
|
-
|
|
|
- if (!this.options.async) {
|
|
|
- this.tileDrawn(tile);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- drawTile: function (/*tile, tilePoint*/) {
|
|
|
- // override with rendering code
|
|
|
- },
|
|
|
-
|
|
|
- tileDrawn: function (tile) {
|
|
|
- this._tileOnLoad.call(tile);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-L.tileLayer.canvas = function (options) {
|
|
|
- return new L.TileLayer.Canvas(options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
|
|
|
- */
|
|
|
-
|
|
|
-L.ImageOverlay = L.Class.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- options: {
|
|
|
- opacity: 1
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
|
|
|
- this._url = url;
|
|
|
- this._bounds = L.latLngBounds(bounds);
|
|
|
-
|
|
|
- L.setOptions(this, options);
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- if (!this._image) {
|
|
|
- this._initImage();
|
|
|
- }
|
|
|
-
|
|
|
- map._panes.overlayPane.appendChild(this._image);
|
|
|
-
|
|
|
- map.on('viewreset', this._reset, this);
|
|
|
-
|
|
|
- if (map.options.zoomAnimation && L.Browser.any3d) {
|
|
|
- map.on('zoomanim', this._animateZoom, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._reset();
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map.getPanes().overlayPane.removeChild(this._image);
|
|
|
-
|
|
|
- map.off('viewreset', this._reset, this);
|
|
|
-
|
|
|
- if (map.options.zoomAnimation) {
|
|
|
- map.off('zoomanim', this._animateZoom, this);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setOpacity: function (opacity) {
|
|
|
- this.options.opacity = opacity;
|
|
|
- this._updateOpacity();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- // TODO remove bringToFront/bringToBack duplication from TileLayer/Path
|
|
|
- bringToFront: function () {
|
|
|
- if (this._image) {
|
|
|
- this._map._panes.overlayPane.appendChild(this._image);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- bringToBack: function () {
|
|
|
- var pane = this._map._panes.overlayPane;
|
|
|
- if (this._image) {
|
|
|
- pane.insertBefore(this._image, pane.firstChild);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _initImage: function () {
|
|
|
- this._image = L.DomUtil.create('img', 'leaflet-image-layer');
|
|
|
-
|
|
|
- if (this._map.options.zoomAnimation && L.Browser.any3d) {
|
|
|
- L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');
|
|
|
- } else {
|
|
|
- L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');
|
|
|
- }
|
|
|
-
|
|
|
- this._updateOpacity();
|
|
|
-
|
|
|
- //TODO createImage util method to remove duplication
|
|
|
- L.extend(this._image, {
|
|
|
- galleryimg: 'no',
|
|
|
- onselectstart: L.Util.falseFn,
|
|
|
- onmousemove: L.Util.falseFn,
|
|
|
- onload: L.bind(this._onImageLoad, this),
|
|
|
- src: this._url
|
|
|
- });
|
|
|
- },
|
|
|
-
|
|
|
- _animateZoom: function (e) {
|
|
|
- var map = this._map,
|
|
|
- image = this._image,
|
|
|
- scale = map.getZoomScale(e.zoom),
|
|
|
- nw = this._bounds.getNorthWest(),
|
|
|
- se = this._bounds.getSouthEast(),
|
|
|
-
|
|
|
- topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
|
|
|
- size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
|
|
|
- origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));
|
|
|
-
|
|
|
- image.style[L.DomUtil.TRANSFORM] =
|
|
|
- L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
|
|
|
- },
|
|
|
-
|
|
|
- _reset: function () {
|
|
|
- var image = this._image,
|
|
|
- topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
|
|
|
- size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
|
|
|
-
|
|
|
- L.DomUtil.setPosition(image, topLeft);
|
|
|
-
|
|
|
- image.style.width = size.x + 'px';
|
|
|
- image.style.height = size.y + 'px';
|
|
|
- },
|
|
|
-
|
|
|
- _onImageLoad: function () {
|
|
|
- this.fire('load');
|
|
|
- },
|
|
|
-
|
|
|
- _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 is an image-based icon class that you can use with L.Marker for custom markers.
|
|
|
- */
|
|
|
-
|
|
|
-L.Icon = L.Class.extend({
|
|
|
- options: {
|
|
|
- /*
|
|
|
- iconUrl: (String) (required)
|
|
|
- iconRetinaUrl: (String) (optional, used for retina devices if detected)
|
|
|
- iconSize: (Point) (can be set through CSS)
|
|
|
- iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
|
|
|
- popupAnchor: (Point) (if not specified, popup opens in the anchor point)
|
|
|
- shadowUrl: (Point) (no shadow by default)
|
|
|
- shadowRetinaUrl: (String) (optional, used for retina devices if detected)
|
|
|
- shadowSize: (Point)
|
|
|
- shadowAnchor: (Point)
|
|
|
- */
|
|
|
- className: ''
|
|
|
- },
|
|
|
-
|
|
|
- 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;
|
|
|
- if (!oldIcon || oldIcon.tagName !== 'IMG') {
|
|
|
- img = this._createImg(src);
|
|
|
- } else {
|
|
|
- img = this._createImg(src, oldIcon);
|
|
|
- }
|
|
|
- this._setIconStyles(img, name);
|
|
|
-
|
|
|
- return img;
|
|
|
- },
|
|
|
-
|
|
|
- _setIconStyles: function (img, name) {
|
|
|
- var options = this.options,
|
|
|
- size = L.point(options[name + 'Size']),
|
|
|
- anchor;
|
|
|
-
|
|
|
- if (name === 'shadow') {
|
|
|
- anchor = L.point(options.shadowAnchor || options.iconAnchor);
|
|
|
- } else {
|
|
|
- anchor = L.point(options.iconAnchor);
|
|
|
- }
|
|
|
-
|
|
|
- if (!anchor && size) {
|
|
|
- anchor = 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) {
|
|
|
-
|
|
|
- if (!L.Browser.ie6) {
|
|
|
- if (!el) {
|
|
|
- el = document.createElement('img');
|
|
|
- }
|
|
|
- el.src = src;
|
|
|
- } else {
|
|
|
- if (!el) {
|
|
|
- el = document.createElement('div');
|
|
|
- }
|
|
|
- el.style.filter =
|
|
|
- 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
|
|
|
- }
|
|
|
- return el;
|
|
|
- },
|
|
|
-
|
|
|
- _getIconUrl: function (name) {
|
|
|
- if (L.Browser.retina && this.options[name + 'RetinaUrl']) {
|
|
|
- return this.options[name + 'RetinaUrl'];
|
|
|
- }
|
|
|
- return this.options[name + 'Url'];
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.icon = function (options) {
|
|
|
- return new L.Icon(options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Icon.Default is the blue marker icon used by default in Leaflet.
|
|
|
- */
|
|
|
-
|
|
|
-L.Icon.Default = L.Icon.extend({
|
|
|
-
|
|
|
- options: {
|
|
|
- iconSize: [25, 41],
|
|
|
- iconAnchor: [12, 41],
|
|
|
- popupAnchor: [1, -34],
|
|
|
-
|
|
|
- shadowSize: [41, 41]
|
|
|
- },
|
|
|
-
|
|
|
- _getIconUrl: function (name) {
|
|
|
- var key = name + 'Url';
|
|
|
-
|
|
|
- if (this.options[key]) {
|
|
|
- return this.options[key];
|
|
|
- }
|
|
|
-
|
|
|
- if (L.Browser.retina && name === 'icon') {
|
|
|
- name += '-2x';
|
|
|
- }
|
|
|
-
|
|
|
- var path = L.Icon.Default.imagePath;
|
|
|
-
|
|
|
- if (!path) {
|
|
|
- throw new Error('Couldn\'t autodetect L.Icon.Default.imagePath, set it manually.');
|
|
|
- }
|
|
|
-
|
|
|
- return path + '/marker-' + name + '.png';
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Icon.Default.imagePath = (function () {
|
|
|
- var scripts = document.getElementsByTagName('script'),
|
|
|
- leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;
|
|
|
-
|
|
|
- var i, len, src, matches, path;
|
|
|
-
|
|
|
- for (i = 0, len = scripts.length; i < len; i++) {
|
|
|
- src = scripts[i].src;
|
|
|
- matches = src.match(leafletRe);
|
|
|
-
|
|
|
- if (matches) {
|
|
|
- path = src.split(leafletRe)[0];
|
|
|
- return (path ? path + '/' : '') + 'images';
|
|
|
- }
|
|
|
- }
|
|
|
-}());
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Marker is used to display clickable/draggable icons on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Marker = L.Class.extend({
|
|
|
-
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- options: {
|
|
|
- icon: new L.Icon.Default(),
|
|
|
- title: '',
|
|
|
- clickable: true,
|
|
|
- draggable: false,
|
|
|
- zIndexOffset: 0,
|
|
|
- opacity: 1,
|
|
|
- riseOnHover: false,
|
|
|
- riseOffset: 250
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (latlng, options) {
|
|
|
- L.setOptions(this, options);
|
|
|
- this._latlng = L.latLng(latlng);
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- map.on('viewreset', this.update, this);
|
|
|
-
|
|
|
- this._initIcon();
|
|
|
- this.update();
|
|
|
-
|
|
|
- if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
|
|
|
- map.on('zoomanim', this._animateZoom, this);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- if (this.dragging) {
|
|
|
- this.dragging.disable();
|
|
|
- }
|
|
|
-
|
|
|
- this._removeIcon();
|
|
|
-
|
|
|
- this.fire('remove');
|
|
|
-
|
|
|
- map.off({
|
|
|
- 'viewreset': this.update,
|
|
|
- 'zoomanim': this._animateZoom
|
|
|
- }, this);
|
|
|
-
|
|
|
- this._map = null;
|
|
|
- },
|
|
|
-
|
|
|
- getLatLng: function () {
|
|
|
- return this._latlng;
|
|
|
- },
|
|
|
-
|
|
|
- setLatLng: function (latlng) {
|
|
|
- this._latlng = L.latLng(latlng);
|
|
|
-
|
|
|
- this.update();
|
|
|
-
|
|
|
- return this.fire('move', { latlng: this._latlng });
|
|
|
- },
|
|
|
-
|
|
|
- setZIndexOffset: function (offset) {
|
|
|
- this.options.zIndexOffset = offset;
|
|
|
- this.update();
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setIcon: function (icon) {
|
|
|
-
|
|
|
- this.options.icon = icon;
|
|
|
-
|
|
|
- if (this._map) {
|
|
|
- this._initIcon();
|
|
|
- this.update();
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- update: function () {
|
|
|
- if (this._icon) {
|
|
|
- var pos = this._map.latLngToLayerPoint(this._latlng).round();
|
|
|
- this._setPos(pos);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _initIcon: function () {
|
|
|
- var options = this.options,
|
|
|
- map = this._map,
|
|
|
- animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
|
|
|
- classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide',
|
|
|
- needOpacityUpdate = false;
|
|
|
-
|
|
|
- var reuseIcon = this._icon;
|
|
|
- if (!reuseIcon) {
|
|
|
- this._icon = options.icon.createIcon();
|
|
|
- } else {
|
|
|
- var newIcon = options.icon.createIcon(this._icon);
|
|
|
-
|
|
|
- //If the icon isn't being reused, remove the old one
|
|
|
- if (newIcon !== this._icon) {
|
|
|
- this._removeIcon();
|
|
|
-
|
|
|
- this._icon = newIcon;
|
|
|
- reuseIcon = false;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (options.title) {
|
|
|
- this._icon.title = options.title;
|
|
|
- }
|
|
|
-
|
|
|
- this._initInteraction();
|
|
|
- needOpacityUpdate = (options.opacity < 1);
|
|
|
-
|
|
|
- L.DomUtil.addClass(this._icon, classToAdd);
|
|
|
-
|
|
|
- if (options.riseOnHover) {
|
|
|
- L.DomEvent
|
|
|
- .on(this._icon, 'mouseover', this._bringToFront, this)
|
|
|
- .on(this._icon, 'mouseout', this._resetZIndex, this);
|
|
|
- }
|
|
|
-
|
|
|
- var reuseShadow = this._shadow;
|
|
|
- if (!reuseShadow) {
|
|
|
- this._shadow = options.icon.createShadow();
|
|
|
-
|
|
|
- if (this._shadow) {
|
|
|
- L.DomUtil.addClass(this._shadow, classToAdd);
|
|
|
- needOpacityUpdate = (options.opacity < 1);
|
|
|
- }
|
|
|
- } else {
|
|
|
- this._shadow = options.icon.createShadow(this._shadow);
|
|
|
- }
|
|
|
-
|
|
|
- if (needOpacityUpdate) {
|
|
|
- this._updateOpacity();
|
|
|
- }
|
|
|
-
|
|
|
- var panes = this._map._panes;
|
|
|
-
|
|
|
- if (!reuseIcon) {
|
|
|
- panes.markerPane.appendChild(this._icon);
|
|
|
- }
|
|
|
-
|
|
|
- if (this._shadow && !reuseShadow) {
|
|
|
- panes.shadowPane.appendChild(this._shadow);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _removeIcon: function () {
|
|
|
- var panes = this._map._panes;
|
|
|
-
|
|
|
- if (this.options.riseOnHover) {
|
|
|
- L.DomEvent
|
|
|
- .off(this._icon, 'mouseover', this._bringToFront)
|
|
|
- .off(this._icon, 'mouseout', this._resetZIndex);
|
|
|
- }
|
|
|
-
|
|
|
- panes.markerPane.removeChild(this._icon);
|
|
|
-
|
|
|
- if (this._shadow) {
|
|
|
- panes.shadowPane.removeChild(this._shadow);
|
|
|
- }
|
|
|
-
|
|
|
- this._icon = 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);
|
|
|
-
|
|
|
- this._setPos(pos);
|
|
|
- },
|
|
|
-
|
|
|
- _initInteraction: function () {
|
|
|
-
|
|
|
- if (!this.options.clickable) { return; }
|
|
|
-
|
|
|
- // TODO refactor into something shared with Map/Path/etc. to DRY it up
|
|
|
-
|
|
|
- var icon = this._icon,
|
|
|
- events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];
|
|
|
-
|
|
|
- L.DomUtil.addClass(icon, 'leaflet-clickable');
|
|
|
- L.DomEvent.on(icon, 'click', this._onMouseClick, this);
|
|
|
-
|
|
|
- for (var i = 0; i < events.length; i++) {
|
|
|
- L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (L.Handler.MarkerDrag) {
|
|
|
- this.dragging = new L.Handler.MarkerDrag(this);
|
|
|
-
|
|
|
- if (this.options.draggable) {
|
|
|
- this.dragging.enable();
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseClick: function (e) {
|
|
|
- var wasDragged = this.dragging && this.dragging.moved();
|
|
|
-
|
|
|
- if (this.hasEventListeners(e.type) || wasDragged) {
|
|
|
- L.DomEvent.stopPropagation(e);
|
|
|
- }
|
|
|
-
|
|
|
- if (wasDragged) { return; }
|
|
|
-
|
|
|
- if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; }
|
|
|
-
|
|
|
- this.fire(e.type, {
|
|
|
- originalEvent: e,
|
|
|
- latlng: this._latlng
|
|
|
- });
|
|
|
- },
|
|
|
-
|
|
|
- _fireMouseEvent: function (e) {
|
|
|
-
|
|
|
- this.fire(e.type, {
|
|
|
- originalEvent: e,
|
|
|
- latlng: this._latlng
|
|
|
- });
|
|
|
-
|
|
|
- // TODO proper custom event propagation
|
|
|
- // this line will always be called if marker is in a FeatureGroup
|
|
|
- if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) {
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- }
|
|
|
- if (e.type !== 'mousedown') {
|
|
|
- L.DomEvent.stopPropagation(e);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- setOpacity: function (opacity) {
|
|
|
- this.options.opacity = opacity;
|
|
|
- if (this._map) {
|
|
|
- this._updateOpacity();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updateOpacity: function () {
|
|
|
- L.DomUtil.setOpacity(this._icon, this.options.opacity);
|
|
|
- if (this._shadow) {
|
|
|
- L.DomUtil.setOpacity(this._shadow, this.options.opacity);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _bringToFront: function () {
|
|
|
- this._updateZIndex(this.options.riseOffset);
|
|
|
- },
|
|
|
-
|
|
|
- _resetZIndex: function () {
|
|
|
- this._updateZIndex(0);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.marker = function (latlng, options) {
|
|
|
- return new L.Marker(latlng, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon)
|
|
|
- * to use with L.Marker.
|
|
|
- */
|
|
|
-
|
|
|
-L.DivIcon = L.Icon.extend({
|
|
|
- options: {
|
|
|
- iconSize: [12, 12], // also can be set through CSS
|
|
|
- /*
|
|
|
- iconAnchor: (Point)
|
|
|
- popupAnchor: (Point)
|
|
|
- html: (String)
|
|
|
- bgPos: (Point)
|
|
|
- */
|
|
|
- className: 'leaflet-div-icon',
|
|
|
- html: false
|
|
|
- },
|
|
|
-
|
|
|
- createIcon: function (oldIcon) {
|
|
|
- var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
|
|
|
- options = this.options;
|
|
|
-
|
|
|
- if (options.html !== false) {
|
|
|
- div.innerHTML = options.html;
|
|
|
- } else {
|
|
|
- div.innerHTML = '';
|
|
|
- }
|
|
|
-
|
|
|
- if (options.bgPos) {
|
|
|
- div.style.backgroundPosition =
|
|
|
- (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px';
|
|
|
- }
|
|
|
-
|
|
|
- this._setIconStyles(div, 'icon');
|
|
|
- return div;
|
|
|
- },
|
|
|
-
|
|
|
- createShadow: function () {
|
|
|
- return null;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.divIcon = function (options) {
|
|
|
- return new L.DivIcon(options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Popup is used for displaying popups on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- closePopupOnClick: true
|
|
|
-});
|
|
|
-
|
|
|
-L.Popup = L.Class.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- options: {
|
|
|
- minWidth: 50,
|
|
|
- maxWidth: 300,
|
|
|
- maxHeight: null,
|
|
|
- autoPan: true,
|
|
|
- closeButton: true,
|
|
|
- offset: [0, 7],
|
|
|
- autoPanPadding: [5, 5],
|
|
|
- keepInView: false,
|
|
|
- className: '',
|
|
|
- zoomAnimation: true
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (options, source) {
|
|
|
- L.setOptions(this, options);
|
|
|
-
|
|
|
- this._source = source;
|
|
|
- this._animated = L.Browser.any3d && this.options.zoomAnimation;
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- if (!this._container) {
|
|
|
- this._initLayout();
|
|
|
- }
|
|
|
- this._updateContent();
|
|
|
-
|
|
|
- var animFade = map.options.fadeAnimation;
|
|
|
-
|
|
|
- if (animFade) {
|
|
|
- L.DomUtil.setOpacity(this._container, 0);
|
|
|
- }
|
|
|
- map._panes.popupPane.appendChild(this._container);
|
|
|
-
|
|
|
- map.on(this._getEvents(), this);
|
|
|
-
|
|
|
- this._update();
|
|
|
-
|
|
|
- if (animFade) {
|
|
|
- L.DomUtil.setOpacity(this._container, 1);
|
|
|
- }
|
|
|
-
|
|
|
- this.fire('open');
|
|
|
-
|
|
|
- map.fire('popupopen', {popup: this});
|
|
|
-
|
|
|
- if (this._source) {
|
|
|
- this._source.fire('popupopen', {popup: this});
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- openOn: function (map) {
|
|
|
- map.openPopup(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map._panes.popupPane.removeChild(this._container);
|
|
|
-
|
|
|
- L.Util.falseFn(this._container.offsetWidth); // force reflow
|
|
|
-
|
|
|
- map.off(this._getEvents(), this);
|
|
|
-
|
|
|
- if (map.options.fadeAnimation) {
|
|
|
- L.DomUtil.setOpacity(this._container, 0);
|
|
|
- }
|
|
|
-
|
|
|
- this._map = null;
|
|
|
-
|
|
|
- this.fire('close');
|
|
|
-
|
|
|
- map.fire('popupclose', {popup: this});
|
|
|
-
|
|
|
- if (this._source) {
|
|
|
- this._source.fire('popupclose', {popup: this});
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- setLatLng: function (latlng) {
|
|
|
- this._latlng = L.latLng(latlng);
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setContent: function (content) {
|
|
|
- this._content = content;
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _getEvents: function () {
|
|
|
- var events = {
|
|
|
- viewreset: this._updatePosition
|
|
|
- };
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- events.zoomanim = this._zoomAnimation;
|
|
|
- }
|
|
|
- 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',
|
|
|
- containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' +
|
|
|
- (this._animated ? 'animated' : 'hide'),
|
|
|
- container = this._container = L.DomUtil.create('div', containerClass),
|
|
|
- closeButton;
|
|
|
-
|
|
|
- if (this.options.closeButton) {
|
|
|
- closeButton = this._closeButton =
|
|
|
- L.DomUtil.create('a', prefix + '-close-button', container);
|
|
|
- closeButton.href = '#close';
|
|
|
- closeButton.innerHTML = '×';
|
|
|
- L.DomEvent.disableClickPropagation(closeButton);
|
|
|
-
|
|
|
- L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
|
|
|
- }
|
|
|
-
|
|
|
- var wrapper = this._wrapper =
|
|
|
- L.DomUtil.create('div', prefix + '-content-wrapper', container);
|
|
|
- L.DomEvent.disableClickPropagation(wrapper);
|
|
|
-
|
|
|
- this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
|
|
|
- L.DomEvent.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);
|
|
|
- L.DomEvent.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);
|
|
|
- },
|
|
|
-
|
|
|
- _update: function () {
|
|
|
- if (!this._map) { return; }
|
|
|
-
|
|
|
- this._container.style.visibility = 'hidden';
|
|
|
-
|
|
|
- this._updateContent();
|
|
|
- this._updateLayout();
|
|
|
- this._updatePosition();
|
|
|
-
|
|
|
- this._container.style.visibility = '';
|
|
|
-
|
|
|
- this._adjustPan();
|
|
|
- },
|
|
|
-
|
|
|
- _updateContent: function () {
|
|
|
- if (!this._content) { return; }
|
|
|
-
|
|
|
- if (typeof this._content === 'string') {
|
|
|
- this._contentNode.innerHTML = this._content;
|
|
|
- } else {
|
|
|
- while (this._contentNode.hasChildNodes()) {
|
|
|
- this._contentNode.removeChild(this._contentNode.firstChild);
|
|
|
- }
|
|
|
- this._contentNode.appendChild(this._content);
|
|
|
- }
|
|
|
- this.fire('contentupdate');
|
|
|
- },
|
|
|
-
|
|
|
- _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;
|
|
|
- },
|
|
|
-
|
|
|
- _updatePosition: function () {
|
|
|
- if (!this._map) { return; }
|
|
|
-
|
|
|
- var pos = this._map.latLngToLayerPoint(this._latlng),
|
|
|
- animated = this._animated,
|
|
|
- offset = L.point(this.options.offset);
|
|
|
-
|
|
|
- if (animated) {
|
|
|
- L.DomUtil.setPosition(this._container, pos);
|
|
|
- }
|
|
|
-
|
|
|
- this._containerBottom = -offset.y - (animated ? 0 : pos.y);
|
|
|
- this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);
|
|
|
-
|
|
|
- // bottom position the popup in case the height of the popup changes (images loading etc)
|
|
|
- this._container.style.bottom = this._containerBottom + 'px';
|
|
|
- this._container.style.left = this._containerLeft + 'px';
|
|
|
- },
|
|
|
-
|
|
|
- _zoomAnimation: function (opt) {
|
|
|
- var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);
|
|
|
-
|
|
|
- L.DomUtil.setPosition(this._container, pos);
|
|
|
- },
|
|
|
-
|
|
|
- _adjustPan: function () {
|
|
|
- if (!this.options.autoPan) { return; }
|
|
|
-
|
|
|
- var map = this._map,
|
|
|
- containerHeight = this._container.offsetHeight,
|
|
|
- containerWidth = this._containerWidth,
|
|
|
-
|
|
|
- layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
|
|
|
-
|
|
|
- if (this._animated) {
|
|
|
- layerPos._add(L.DomUtil.getPosition(this._container));
|
|
|
- }
|
|
|
-
|
|
|
- var containerPos = map.layerPointToContainerPoint(layerPos),
|
|
|
- padding = L.point(this.options.autoPanPadding),
|
|
|
- size = map.getSize(),
|
|
|
- dx = 0,
|
|
|
- dy = 0;
|
|
|
-
|
|
|
- if (containerPos.x + containerWidth > size.x) { // right
|
|
|
- dx = containerPos.x + containerWidth - size.x + padding.x;
|
|
|
- }
|
|
|
- if (containerPos.x - dx < 0) { // left
|
|
|
- dx = containerPos.x - padding.x;
|
|
|
- }
|
|
|
- if (containerPos.y + containerHeight > size.y) { // bottom
|
|
|
- dy = containerPos.y + containerHeight - size.y + padding.y;
|
|
|
- }
|
|
|
- if (containerPos.y - dy < 0) { // top
|
|
|
- dy = containerPos.y - padding.y;
|
|
|
- }
|
|
|
-
|
|
|
- if (dx || dy) {
|
|
|
- map
|
|
|
- .fire('autopanstart')
|
|
|
- .panBy([dx, dy]);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onCloseButtonClick: function (e) {
|
|
|
- this._close();
|
|
|
- L.DomEvent.stop(e);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.popup = function (options, source) {
|
|
|
- return new L.Popup(options, source);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
- openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])
|
|
|
- this.closePopup();
|
|
|
-
|
|
|
- if (!(popup instanceof L.Popup)) {
|
|
|
- var content = popup;
|
|
|
-
|
|
|
- popup = new L.Popup(options)
|
|
|
- .setLatLng(latlng)
|
|
|
- .setContent(content);
|
|
|
- }
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Popup extension to L.Marker, adding popup-related methods.
|
|
|
- */
|
|
|
-
|
|
|
-L.Marker.include({
|
|
|
- openPopup: function () {
|
|
|
- if (this._popup && this._map && !this._map.hasLayer(this._popup)) {
|
|
|
- this._popup.setLatLng(this._latlng);
|
|
|
- this._map.openPopup(this._popup);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- closePopup: function () {
|
|
|
- if (this._popup) {
|
|
|
- this._popup._close();
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- bindPopup: function (content, options) {
|
|
|
- var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);
|
|
|
-
|
|
|
- anchor = anchor.add(L.Popup.prototype.options.offset);
|
|
|
-
|
|
|
- if (options && options.offset) {
|
|
|
- anchor = anchor.add(options.offset);
|
|
|
- }
|
|
|
-
|
|
|
- options = L.extend({offset: anchor}, options);
|
|
|
-
|
|
|
- if (!this._popup) {
|
|
|
- this
|
|
|
- .on('click', this.openPopup, this)
|
|
|
- .on('remove', this.closePopup, this)
|
|
|
- .on('move', this._movePopup, this);
|
|
|
- }
|
|
|
-
|
|
|
- if (content instanceof L.Popup) {
|
|
|
- L.setOptions(content, options);
|
|
|
- this._popup = content;
|
|
|
- } else {
|
|
|
- this._popup = new L.Popup(options, this)
|
|
|
- .setContent(content);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setPopupContent: function (content) {
|
|
|
- if (this._popup) {
|
|
|
- this._popup.setContent(content);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- unbindPopup: function () {
|
|
|
- if (this._popup) {
|
|
|
- this._popup = null;
|
|
|
- this
|
|
|
- .off('click', this.openPopup)
|
|
|
- .off('remove', this.closePopup)
|
|
|
- .off('move', this._movePopup);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _movePopup: function (e) {
|
|
|
- this._popup.setLatLng(e.latlng);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.LayerGroup is a class to combine several layers into one so that
|
|
|
- * you can manipulate the group (e.g. add/remove it) as one layer.
|
|
|
- */
|
|
|
-
|
|
|
-L.LayerGroup = L.Class.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) {
|
|
|
- if (!layer) { return false; }
|
|
|
-
|
|
|
- return (layer in this._layers || this.getLayerId(layer) in this._layers);
|
|
|
- },
|
|
|
-
|
|
|
- clearLayers: function () {
|
|
|
- this.eachLayer(this.removeLayer, this);
|
|
|
- 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) {
|
|
|
- this._map = map;
|
|
|
- this.eachLayer(map.addLayer, map);
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- this.eachLayer(map.removeLayer, map);
|
|
|
- this._map = null;
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- 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 extends L.LayerGroup by introducing mouse events and additional methods
|
|
|
- * shared between a group of interactive layers (like vectors or markers).
|
|
|
- */
|
|
|
-
|
|
|
-L.FeatureGroup = L.LayerGroup.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- statics: {
|
|
|
- EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu'
|
|
|
- },
|
|
|
-
|
|
|
- addLayer: function (layer) {
|
|
|
- if (this.hasLayer(layer)) {
|
|
|
- return this;
|
|
|
- }
|
|
|
-
|
|
|
- layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this);
|
|
|
-
|
|
|
- L.LayerGroup.prototype.addLayer.call(this, layer);
|
|
|
-
|
|
|
- if (this._popupContent && layer.bindPopup) {
|
|
|
- layer.bindPopup(this._popupContent, this._popupOptions);
|
|
|
- }
|
|
|
-
|
|
|
- return this.fire('layeradd', {layer: layer});
|
|
|
- },
|
|
|
-
|
|
|
- removeLayer: function (layer) {
|
|
|
- if (layer in this._layers) {
|
|
|
- layer = this._layers[layer];
|
|
|
- }
|
|
|
-
|
|
|
- layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);
|
|
|
-
|
|
|
- L.LayerGroup.prototype.removeLayer.call(this, layer);
|
|
|
-
|
|
|
- if (this._popupContent) {
|
|
|
- this.invoke('unbindPopup');
|
|
|
- }
|
|
|
-
|
|
|
- return this.fire('layerremove', {layer: layer});
|
|
|
- },
|
|
|
-
|
|
|
- bindPopup: function (content, options) {
|
|
|
- this._popupContent = content;
|
|
|
- this._popupOptions = options;
|
|
|
- return this.invoke('bindPopup', content, options);
|
|
|
- },
|
|
|
-
|
|
|
- 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();
|
|
|
-
|
|
|
- this.eachLayer(function (layer) {
|
|
|
- bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());
|
|
|
- });
|
|
|
-
|
|
|
- return bounds;
|
|
|
- },
|
|
|
-
|
|
|
- _propagateEvent: function (e) {
|
|
|
- if (!e.layer) {
|
|
|
- e.layer = e.target;
|
|
|
- }
|
|
|
- e.target = this;
|
|
|
-
|
|
|
- this.fire(e.type, e);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.featureGroup = function (layers) {
|
|
|
- return new L.FeatureGroup(layers);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc.
|
|
|
- */
|
|
|
-
|
|
|
-L.Path = L.Class.extend({
|
|
|
- includes: [L.Mixin.Events],
|
|
|
-
|
|
|
- statics: {
|
|
|
- // how much to extend the clip area around the map view
|
|
|
- // (relative to its size, e.g. 0.5 is half the screen in each direction)
|
|
|
- // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is)
|
|
|
- CLIP_PADDING: L.Browser.mobile ?
|
|
|
- Math.max(0, Math.min(0.5,
|
|
|
- (1280 / Math.max(window.innerWidth, window.innerHeight) - 1) / 2)) : 0.5
|
|
|
- },
|
|
|
-
|
|
|
- options: {
|
|
|
- stroke: true,
|
|
|
- color: '#0033ff',
|
|
|
- dashArray: null,
|
|
|
- weight: 5,
|
|
|
- opacity: 0.5,
|
|
|
-
|
|
|
- fill: false,
|
|
|
- fillColor: null, //same as color by default
|
|
|
- fillOpacity: 0.2,
|
|
|
-
|
|
|
- clickable: true
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (options) {
|
|
|
- L.setOptions(this, options);
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- if (!this._container) {
|
|
|
- this._initElements();
|
|
|
- this._initEvents();
|
|
|
- }
|
|
|
-
|
|
|
- this.projectLatlngs();
|
|
|
- this._updatePath();
|
|
|
-
|
|
|
- if (this._container) {
|
|
|
- this._map._pathRoot.appendChild(this._container);
|
|
|
- }
|
|
|
-
|
|
|
- this.fire('add');
|
|
|
-
|
|
|
- map.on({
|
|
|
- 'viewreset': this.projectLatlngs,
|
|
|
- 'moveend': this._updatePath
|
|
|
- }, this);
|
|
|
- },
|
|
|
-
|
|
|
- addTo: function (map) {
|
|
|
- map.addLayer(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map._pathRoot.removeChild(this._container);
|
|
|
-
|
|
|
- // Need to fire remove event before we set _map to null as the event hooks might need the object
|
|
|
- this.fire('remove');
|
|
|
- this._map = null;
|
|
|
-
|
|
|
- if (L.Browser.vml) {
|
|
|
- this._container = null;
|
|
|
- this._stroke = null;
|
|
|
- this._fill = null;
|
|
|
- }
|
|
|
-
|
|
|
- map.off({
|
|
|
- 'viewreset': this.projectLatlngs,
|
|
|
- 'moveend': this._updatePath
|
|
|
- }, this);
|
|
|
- },
|
|
|
-
|
|
|
- projectLatlngs: function () {
|
|
|
- // do all projection stuff here
|
|
|
- },
|
|
|
-
|
|
|
- setStyle: function (style) {
|
|
|
- L.setOptions(this, style);
|
|
|
-
|
|
|
- if (this._container) {
|
|
|
- this._updateStyle();
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- redraw: function () {
|
|
|
- if (this._map) {
|
|
|
- this.projectLatlngs();
|
|
|
- this._updatePath();
|
|
|
- }
|
|
|
- return this;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
- _updatePathViewport: function () {
|
|
|
- var p = L.Path.CLIP_PADDING,
|
|
|
- size = this.getSize(),
|
|
|
- panePos = L.DomUtil.getPosition(this._mapPane),
|
|
|
- min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),
|
|
|
- max = min.add(size.multiplyBy(1 + p * 2)._round());
|
|
|
-
|
|
|
- this._pathViewport = new L.Bounds(min, max);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Path with SVG-specific rendering code.
|
|
|
- */
|
|
|
-
|
|
|
-L.Path.SVG_NS = 'http://www.w3.org/2000/svg';
|
|
|
-
|
|
|
-L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);
|
|
|
-
|
|
|
-L.Path = L.Path.extend({
|
|
|
- statics: {
|
|
|
- SVG: L.Browser.svg
|
|
|
- },
|
|
|
-
|
|
|
- bringToFront: function () {
|
|
|
- var root = this._map._pathRoot,
|
|
|
- path = this._container;
|
|
|
-
|
|
|
- if (path && root.lastChild !== path) {
|
|
|
- root.appendChild(path);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- bringToBack: function () {
|
|
|
- var root = this._map._pathRoot,
|
|
|
- path = this._container,
|
|
|
- first = root.firstChild;
|
|
|
-
|
|
|
- if (path && first !== path) {
|
|
|
- root.insertBefore(path, first);
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- getPathString: function () {
|
|
|
- // form path string here
|
|
|
- },
|
|
|
-
|
|
|
- _createElement: function (name) {
|
|
|
- return document.createElementNS(L.Path.SVG_NS, name);
|
|
|
- },
|
|
|
-
|
|
|
- _initElements: function () {
|
|
|
- this._map._initPathRoot();
|
|
|
- this._initPath();
|
|
|
- this._initStyle();
|
|
|
- },
|
|
|
-
|
|
|
- _initPath: function () {
|
|
|
- this._container = this._createElement('g');
|
|
|
-
|
|
|
- this._path = this._createElement('path');
|
|
|
- this._container.appendChild(this._path);
|
|
|
- },
|
|
|
-
|
|
|
- _initStyle: function () {
|
|
|
- if (this.options.stroke) {
|
|
|
- this._path.setAttribute('stroke-linejoin', 'round');
|
|
|
- this._path.setAttribute('stroke-linecap', 'round');
|
|
|
- }
|
|
|
- if (this.options.fill) {
|
|
|
- this._path.setAttribute('fill-rule', 'evenodd');
|
|
|
- }
|
|
|
- if (this.options.pointerEvents) {
|
|
|
- this._path.setAttribute('pointer-events', this.options.pointerEvents);
|
|
|
- }
|
|
|
- if (!this.options.clickable && !this.options.pointerEvents) {
|
|
|
- this._path.setAttribute('pointer-events', 'none');
|
|
|
- }
|
|
|
- this._updateStyle();
|
|
|
- },
|
|
|
-
|
|
|
- _updateStyle: function () {
|
|
|
- if (this.options.stroke) {
|
|
|
- this._path.setAttribute('stroke', this.options.color);
|
|
|
- this._path.setAttribute('stroke-opacity', this.options.opacity);
|
|
|
- this._path.setAttribute('stroke-width', this.options.weight);
|
|
|
- if (this.options.dashArray) {
|
|
|
- this._path.setAttribute('stroke-dasharray', this.options.dashArray);
|
|
|
- } else {
|
|
|
- this._path.removeAttribute('stroke-dasharray');
|
|
|
- }
|
|
|
- } else {
|
|
|
- this._path.setAttribute('stroke', 'none');
|
|
|
- }
|
|
|
- if (this.options.fill) {
|
|
|
- this._path.setAttribute('fill', this.options.fillColor || this.options.color);
|
|
|
- this._path.setAttribute('fill-opacity', this.options.fillOpacity);
|
|
|
- } else {
|
|
|
- this._path.setAttribute('fill', 'none');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updatePath: function () {
|
|
|
- var str = this.getPathString();
|
|
|
- if (!str) {
|
|
|
- // fix webkit empty string parsing bug
|
|
|
- str = 'M0 0';
|
|
|
- }
|
|
|
- this._path.setAttribute('d', str);
|
|
|
- },
|
|
|
-
|
|
|
- // TODO remove duplication with L.Map
|
|
|
- _initEvents: function () {
|
|
|
- if (this.options.clickable) {
|
|
|
- if (L.Browser.svg || !L.Browser.vml) {
|
|
|
- this._path.setAttribute('class', 'leaflet-clickable');
|
|
|
- }
|
|
|
-
|
|
|
- L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
|
|
|
-
|
|
|
- var events = ['dblclick', 'mousedown', 'mouseover',
|
|
|
- 'mouseout', 'mousemove', 'contextmenu'];
|
|
|
- for (var i = 0; i < events.length; i++) {
|
|
|
- L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseClick: function (e) {
|
|
|
- if (this._map.dragging && this._map.dragging.moved()) { return; }
|
|
|
-
|
|
|
- this._fireMouseEvent(e);
|
|
|
- },
|
|
|
-
|
|
|
- _fireMouseEvent: function (e) {
|
|
|
- if (!this.hasEventListeners(e.type)) { return; }
|
|
|
-
|
|
|
- var map = this._map,
|
|
|
- containerPoint = map.mouseEventToContainerPoint(e),
|
|
|
- layerPoint = map.containerPointToLayerPoint(containerPoint),
|
|
|
- latlng = map.layerPointToLatLng(layerPoint);
|
|
|
-
|
|
|
- this.fire(e.type, {
|
|
|
- latlng: latlng,
|
|
|
- layerPoint: layerPoint,
|
|
|
- containerPoint: containerPoint,
|
|
|
- originalEvent: e
|
|
|
- });
|
|
|
-
|
|
|
- if (e.type === 'contextmenu') {
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- }
|
|
|
- if (e.type !== 'mousemove') {
|
|
|
- L.DomEvent.stopPropagation(e);
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
- _initPathRoot: function () {
|
|
|
- if (!this._pathRoot) {
|
|
|
- this._pathRoot = L.Path.prototype._createElement('svg');
|
|
|
- this._panes.overlayPane.appendChild(this._pathRoot);
|
|
|
-
|
|
|
- if (this.options.zoomAnimation && L.Browser.any3d) {
|
|
|
- this._pathRoot.setAttribute('class', ' leaflet-zoom-animated');
|
|
|
-
|
|
|
- this.on({
|
|
|
- 'zoomanim': this._animatePathZoom,
|
|
|
- 'zoomend': this._endPathZoom
|
|
|
- });
|
|
|
- } else {
|
|
|
- this._pathRoot.setAttribute('class', ' leaflet-zoom-hide');
|
|
|
- }
|
|
|
-
|
|
|
- this.on('moveend', this._updateSvgViewport);
|
|
|
- this._updateSvgViewport();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _animatePathZoom: function (e) {
|
|
|
- var scale = this.getZoomScale(e.zoom),
|
|
|
- offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);
|
|
|
-
|
|
|
- this._pathRoot.style[L.DomUtil.TRANSFORM] =
|
|
|
- L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';
|
|
|
-
|
|
|
- this._pathZooming = true;
|
|
|
- },
|
|
|
-
|
|
|
- _endPathZoom: function () {
|
|
|
- this._pathZooming = false;
|
|
|
- },
|
|
|
-
|
|
|
- _updateSvgViewport: function () {
|
|
|
-
|
|
|
- if (this._pathZooming) {
|
|
|
- // Do not update SVGs while a zoom animation is going on otherwise the animation will break.
|
|
|
- // When the zoom animation ends we will be updated again anyway
|
|
|
- // This fixes the case where you do a momentum move and zoom while the move is still ongoing.
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- this._updatePathViewport();
|
|
|
-
|
|
|
- var vp = this._pathViewport,
|
|
|
- min = vp.min,
|
|
|
- max = vp.max,
|
|
|
- width = max.x - min.x,
|
|
|
- height = max.y - min.y,
|
|
|
- root = this._pathRoot,
|
|
|
- pane = this._panes.overlayPane;
|
|
|
-
|
|
|
- // Hack to make flicker on drag end on mobile webkit less irritating
|
|
|
- if (L.Browser.mobileWebkit) {
|
|
|
- pane.removeChild(root);
|
|
|
- }
|
|
|
-
|
|
|
- L.DomUtil.setPosition(root, min);
|
|
|
- root.setAttribute('width', width);
|
|
|
- root.setAttribute('height', height);
|
|
|
- root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));
|
|
|
-
|
|
|
- if (L.Browser.mobileWebkit) {
|
|
|
- pane.appendChild(root);
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods.
|
|
|
- */
|
|
|
-
|
|
|
-L.Path.include({
|
|
|
-
|
|
|
- bindPopup: function (content, options) {
|
|
|
-
|
|
|
- if (content instanceof L.Popup) {
|
|
|
- this._popup = content;
|
|
|
- } else {
|
|
|
- if (!this._popup || options) {
|
|
|
- this._popup = new L.Popup(options, this);
|
|
|
- }
|
|
|
- this._popup.setContent(content);
|
|
|
- }
|
|
|
-
|
|
|
- if (!this._popupHandlersAdded) {
|
|
|
- this
|
|
|
- .on('click', this._openPopup, this)
|
|
|
- .on('remove', this.closePopup, this);
|
|
|
-
|
|
|
- this._popupHandlersAdded = true;
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- unbindPopup: function () {
|
|
|
- if (this._popup) {
|
|
|
- this._popup = null;
|
|
|
- this
|
|
|
- .off('click', this._openPopup)
|
|
|
- .off('remove', this.closePopup);
|
|
|
-
|
|
|
- this._popupHandlersAdded = false;
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- openPopup: function (latlng) {
|
|
|
-
|
|
|
- if (this._popup) {
|
|
|
- // open the popup from one of the path's points if not specified
|
|
|
- latlng = latlng || this._latlng ||
|
|
|
- this._latlngs[Math.floor(this._latlngs.length / 2)];
|
|
|
-
|
|
|
- this._openPopup({latlng: latlng});
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- closePopup: function () {
|
|
|
- if (this._popup) {
|
|
|
- this._popup._close();
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _openPopup: function (e) {
|
|
|
- this._popup.setLatLng(e.latlng);
|
|
|
- this._map.openPopup(this._popup);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Vector rendering for IE6-8 through VML.
|
|
|
- * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
|
|
|
- */
|
|
|
-
|
|
|
-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.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({
|
|
|
- statics: {
|
|
|
- VML: true,
|
|
|
- CLIP_PADDING: 0.02
|
|
|
- },
|
|
|
-
|
|
|
- _createElement: (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">');
|
|
|
- };
|
|
|
- }
|
|
|
- }()),
|
|
|
-
|
|
|
- _initPath: function () {
|
|
|
- var container = this._container = this._createElement('shape');
|
|
|
- L.DomUtil.addClass(container, 'leaflet-vml-shape');
|
|
|
- if (this.options.clickable) {
|
|
|
- L.DomUtil.addClass(container, 'leaflet-clickable');
|
|
|
- }
|
|
|
- container.coordsize = '1 1';
|
|
|
-
|
|
|
- this._path = this._createElement('path');
|
|
|
- container.appendChild(this._path);
|
|
|
-
|
|
|
- this._map._pathRoot.appendChild(container);
|
|
|
- },
|
|
|
-
|
|
|
- _initStyle: function () {
|
|
|
- this._updateStyle();
|
|
|
- },
|
|
|
-
|
|
|
- _updateStyle: function () {
|
|
|
- var stroke = this._stroke,
|
|
|
- fill = this._fill,
|
|
|
- options = this.options,
|
|
|
- container = this._container;
|
|
|
-
|
|
|
- container.stroked = options.stroke;
|
|
|
- container.filled = options.fill;
|
|
|
-
|
|
|
- if (options.stroke) {
|
|
|
- if (!stroke) {
|
|
|
- stroke = this._stroke = this._createElement('stroke');
|
|
|
- stroke.endcap = 'round';
|
|
|
- container.appendChild(stroke);
|
|
|
- }
|
|
|
- stroke.weight = options.weight + 'px';
|
|
|
- stroke.color = options.color;
|
|
|
- stroke.opacity = options.opacity;
|
|
|
-
|
|
|
- if (options.dashArray) {
|
|
|
- stroke.dashStyle = options.dashArray instanceof Array ?
|
|
|
- options.dashArray.join(' ') :
|
|
|
- options.dashArray.replace(/( *, *)/g, ' ');
|
|
|
- } else {
|
|
|
- stroke.dashStyle = '';
|
|
|
- }
|
|
|
-
|
|
|
- } else if (stroke) {
|
|
|
- container.removeChild(stroke);
|
|
|
- this._stroke = null;
|
|
|
- }
|
|
|
-
|
|
|
- if (options.fill) {
|
|
|
- if (!fill) {
|
|
|
- fill = this._fill = this._createElement('fill');
|
|
|
- container.appendChild(fill);
|
|
|
- }
|
|
|
- fill.color = options.fillColor || options.color;
|
|
|
- fill.opacity = options.fillOpacity;
|
|
|
-
|
|
|
- } else if (fill) {
|
|
|
- container.removeChild(fill);
|
|
|
- this._fill = null;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updatePath: function () {
|
|
|
- var style = this._container.style;
|
|
|
-
|
|
|
- style.display = 'none';
|
|
|
- this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
|
|
|
- style.display = '';
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {
|
|
|
- _initPathRoot: function () {
|
|
|
- if (this._pathRoot) { return; }
|
|
|
-
|
|
|
- var root = this._pathRoot = document.createElement('div');
|
|
|
- root.className = 'leaflet-vml-container';
|
|
|
- this._panes.overlayPane.appendChild(root);
|
|
|
-
|
|
|
- this.on('moveend', this._updatePathViewport);
|
|
|
- this._updatePathViewport();
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Vector rendering for all browsers that support canvas.
|
|
|
- */
|
|
|
-
|
|
|
-L.Browser.canvas = (function () {
|
|
|
- return !!document.createElement('canvas').getContext;
|
|
|
-}());
|
|
|
-
|
|
|
-L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({
|
|
|
- statics: {
|
|
|
- //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value
|
|
|
- CANVAS: true,
|
|
|
- SVG: false
|
|
|
- },
|
|
|
-
|
|
|
- redraw: function () {
|
|
|
- if (this._map) {
|
|
|
- this.projectLatlngs();
|
|
|
- this._requestUpdate();
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- setStyle: function (style) {
|
|
|
- L.setOptions(this, style);
|
|
|
-
|
|
|
- if (this._map) {
|
|
|
- this._updateStyle();
|
|
|
- this._requestUpdate();
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map
|
|
|
- .off('viewreset', this.projectLatlngs, this)
|
|
|
- .off('moveend', this._updatePath, this);
|
|
|
-
|
|
|
- if (this.options.clickable) {
|
|
|
- this._map.off('click', this._onClick, this);
|
|
|
- this._map.off('mousemove', this._onMouseMove, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._requestUpdate();
|
|
|
-
|
|
|
- this._map = null;
|
|
|
- },
|
|
|
-
|
|
|
- _requestUpdate: function () {
|
|
|
- if (this._map && !L.Path._updateRequest) {
|
|
|
- L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _fireMapMoveEnd: function () {
|
|
|
- L.Path._updateRequest = null;
|
|
|
- this.fire('moveend');
|
|
|
- },
|
|
|
-
|
|
|
- _initElements: function () {
|
|
|
- this._map._initPathRoot();
|
|
|
- this._ctx = this._map._canvasCtx;
|
|
|
- },
|
|
|
-
|
|
|
- _updateStyle: function () {
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- if (options.stroke) {
|
|
|
- this._ctx.lineWidth = options.weight;
|
|
|
- this._ctx.strokeStyle = options.color;
|
|
|
- }
|
|
|
- if (options.fill) {
|
|
|
- this._ctx.fillStyle = options.fillColor || options.color;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _drawPath: function () {
|
|
|
- var i, j, len, len2, point, drawMethod;
|
|
|
-
|
|
|
- this._ctx.beginPath();
|
|
|
-
|
|
|
- for (i = 0, len = this._parts.length; i < len; i++) {
|
|
|
- for (j = 0, len2 = this._parts[i].length; j < len2; j++) {
|
|
|
- point = this._parts[i][j];
|
|
|
- drawMethod = (j === 0 ? 'move' : 'line') + 'To';
|
|
|
-
|
|
|
- this._ctx[drawMethod](point.x, point.y);
|
|
|
- }
|
|
|
- // TODO refactor ugly hack
|
|
|
- if (this instanceof L.Polygon) {
|
|
|
- this._ctx.closePath();
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _checkIfEmpty: function () {
|
|
|
- return !this._parts.length;
|
|
|
- },
|
|
|
-
|
|
|
- _updatePath: function () {
|
|
|
- if (this._checkIfEmpty()) { return; }
|
|
|
-
|
|
|
- var ctx = this._ctx,
|
|
|
- options = this.options;
|
|
|
-
|
|
|
- this._drawPath();
|
|
|
- ctx.save();
|
|
|
- this._updateStyle();
|
|
|
-
|
|
|
- if (options.fill) {
|
|
|
- ctx.globalAlpha = options.fillOpacity;
|
|
|
- ctx.fill();
|
|
|
- }
|
|
|
-
|
|
|
- if (options.stroke) {
|
|
|
- ctx.globalAlpha = options.opacity;
|
|
|
- ctx.stroke();
|
|
|
- }
|
|
|
-
|
|
|
- ctx.restore();
|
|
|
-
|
|
|
- // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
|
|
|
- },
|
|
|
-
|
|
|
- _initEvents: function () {
|
|
|
- if (this.options.clickable) {
|
|
|
- // TODO dblclick
|
|
|
- this._map.on('mousemove', this._onMouseMove, this);
|
|
|
- this._map.on('click', this._onClick, this);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onClick: function (e) {
|
|
|
- if (this._containsPoint(e.layerPoint)) {
|
|
|
- this.fire('click', e);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseMove: function (e) {
|
|
|
- if (!this._map || this._map._animatingZoom) { return; }
|
|
|
-
|
|
|
- // TODO don't do on each move
|
|
|
- if (this._containsPoint(e.layerPoint)) {
|
|
|
- this._ctx.canvas.style.cursor = 'pointer';
|
|
|
- this._mouseInside = true;
|
|
|
- this.fire('mouseover', e);
|
|
|
-
|
|
|
- } else if (this._mouseInside) {
|
|
|
- this._ctx.canvas.style.cursor = '';
|
|
|
- this._mouseInside = false;
|
|
|
- this.fire('mouseout', e);
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {
|
|
|
- _initPathRoot: function () {
|
|
|
- var root = this._pathRoot,
|
|
|
- ctx;
|
|
|
-
|
|
|
- if (!root) {
|
|
|
- root = this._pathRoot = document.createElement('canvas');
|
|
|
- root.style.position = 'absolute';
|
|
|
- ctx = this._canvasCtx = root.getContext('2d');
|
|
|
-
|
|
|
- ctx.lineCap = 'round';
|
|
|
- ctx.lineJoin = 'round';
|
|
|
-
|
|
|
- this._panes.overlayPane.appendChild(root);
|
|
|
-
|
|
|
- if (this.options.zoomAnimation) {
|
|
|
- this._pathRoot.className = 'leaflet-zoom-animated';
|
|
|
- this.on('zoomanim', this._animatePathZoom);
|
|
|
- this.on('zoomend', this._endPathZoom);
|
|
|
- }
|
|
|
- this.on('moveend', this._updateCanvasViewport);
|
|
|
- this._updateCanvasViewport();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updateCanvasViewport: function () {
|
|
|
- // don't redraw while zooming. See _updateSvgViewport for more details
|
|
|
- if (this._pathZooming) { return; }
|
|
|
- this._updatePathViewport();
|
|
|
-
|
|
|
- var vp = this._pathViewport,
|
|
|
- min = vp.min,
|
|
|
- size = vp.max.subtract(min),
|
|
|
- root = this._pathRoot;
|
|
|
-
|
|
|
- //TODO check if this works properly on mobile webkit
|
|
|
- L.DomUtil.setPosition(root, min);
|
|
|
- root.width = size.x;
|
|
|
- root.height = size.y;
|
|
|
- root.getContext('2d').translate(-min.x, -min.y);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.LineUtil contains different utility functions for line segments
|
|
|
- * and polylines (clipping, simplification, distances, etc.)
|
|
|
- */
|
|
|
-
|
|
|
-/*jshint bitwise:false */ // allow bitwise oprations for this file
|
|
|
-
|
|
|
-L.LineUtil = {
|
|
|
-
|
|
|
- // Simplify polyline with vertex reduction and Douglas-Peucker simplification.
|
|
|
- // Improves rendering performance dramatically by lessening the number of points to draw.
|
|
|
-
|
|
|
- simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {
|
|
|
- if (!tolerance || !points.length) {
|
|
|
- return points.slice();
|
|
|
- }
|
|
|
-
|
|
|
- var sqTolerance = tolerance * tolerance;
|
|
|
-
|
|
|
- // stage 1: vertex reduction
|
|
|
- points = this._reducePoints(points, sqTolerance);
|
|
|
-
|
|
|
- // stage 2: Douglas-Peucker simplification
|
|
|
- points = this._simplifyDP(points, sqTolerance);
|
|
|
-
|
|
|
- return points;
|
|
|
- },
|
|
|
-
|
|
|
- // distance from a point to a segment between two points
|
|
|
- pointToSegmentDistance: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
|
|
|
- return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
|
|
|
- },
|
|
|
-
|
|
|
- closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
|
|
|
- return this._sqClosestPointOnSegment(p, p1, p2);
|
|
|
- },
|
|
|
-
|
|
|
- // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
|
|
|
- _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);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- // reduce points that are too close to each other to a single point
|
|
|
- _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;
|
|
|
- },
|
|
|
-
|
|
|
- // Cohen-Sutherland line clipping algorithm.
|
|
|
- // Used to avoid rendering parts of a polyline that are not currently visible.
|
|
|
-
|
|
|
- clipSegment: function (a, b, bounds, useLastCode) {
|
|
|
- var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
|
|
|
- codeB = this._getBitCode(b, bounds),
|
|
|
-
|
|
|
- codeOut, p, newCode;
|
|
|
-
|
|
|
- // save 2nd code to avoid calculating it on the next segment
|
|
|
- this._lastCode = codeB;
|
|
|
-
|
|
|
- while (true) {
|
|
|
- // if a,b is inside the clip window (trivial accept)
|
|
|
- if (!(codeA | codeB)) {
|
|
|
- return [a, b];
|
|
|
- // if a,b is outside the clip window (trivial reject)
|
|
|
- } else if (codeA & codeB) {
|
|
|
- return false;
|
|
|
- // other cases
|
|
|
- } else {
|
|
|
- codeOut = codeA || codeB;
|
|
|
- p = this._getEdgeIntersection(a, b, codeOut, bounds);
|
|
|
- newCode = this._getBitCode(p, bounds);
|
|
|
-
|
|
|
- if (codeOut === codeA) {
|
|
|
- a = p;
|
|
|
- codeA = newCode;
|
|
|
- } else {
|
|
|
- b = p;
|
|
|
- codeB = newCode;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _getEdgeIntersection: function (a, b, code, bounds) {
|
|
|
- var dx = b.x - a.x,
|
|
|
- dy = b.y - a.y,
|
|
|
- min = bounds.min,
|
|
|
- max = bounds.max;
|
|
|
-
|
|
|
- if (code & 8) { // top
|
|
|
- return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);
|
|
|
- } else if (code & 4) { // bottom
|
|
|
- return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);
|
|
|
- } else if (code & 2) { // right
|
|
|
- return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);
|
|
|
- } else if (code & 1) { // left
|
|
|
- return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _getBitCode: function (/*Point*/ p, bounds) {
|
|
|
- var code = 0;
|
|
|
-
|
|
|
- if (p.x < bounds.min.x) { // left
|
|
|
- code |= 1;
|
|
|
- } else if (p.x > bounds.max.x) { // right
|
|
|
- code |= 2;
|
|
|
- }
|
|
|
- if (p.y < bounds.min.y) { // bottom
|
|
|
- code |= 4;
|
|
|
- } else if (p.y > bounds.max.y) { // top
|
|
|
- code |= 8;
|
|
|
- }
|
|
|
-
|
|
|
- return code;
|
|
|
- },
|
|
|
-
|
|
|
- // square distance (to avoid unnecessary Math.sqrt calls)
|
|
|
- _sqDist: function (p1, p2) {
|
|
|
- var dx = p2.x - p1.x,
|
|
|
- dy = p2.y - p1.y;
|
|
|
- return dx * dx + dy * dy;
|
|
|
- },
|
|
|
-
|
|
|
- // return closest point on segment or distance to that point
|
|
|
- _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 is used to display polylines on a map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Polyline = L.Path.extend({
|
|
|
- initialize: function (latlngs, options) {
|
|
|
- L.Path.prototype.initialize.call(this, options);
|
|
|
-
|
|
|
- this._latlngs = this._convertLatLngs(latlngs);
|
|
|
- },
|
|
|
-
|
|
|
- options: {
|
|
|
- // how much to simplify the polyline on each zoom level
|
|
|
- // more = better performance and smoother look, less = more accurate
|
|
|
- smoothFactor: 1.0,
|
|
|
- noClip: false
|
|
|
- },
|
|
|
-
|
|
|
- projectLatlngs: function () {
|
|
|
- this._originalPoints = [];
|
|
|
-
|
|
|
- for (var i = 0, len = this._latlngs.length; i < len; i++) {
|
|
|
- this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- getPathString: function () {
|
|
|
- for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {
|
|
|
- str += this._getPathPartStr(this._parts[i]);
|
|
|
- }
|
|
|
- return str;
|
|
|
- },
|
|
|
-
|
|
|
- getLatLngs: function () {
|
|
|
- return this._latlngs;
|
|
|
- },
|
|
|
-
|
|
|
- setLatLngs: function (latlngs) {
|
|
|
- this._latlngs = this._convertLatLngs(latlngs);
|
|
|
- return this.redraw();
|
|
|
- },
|
|
|
-
|
|
|
- addLatLng: function (latlng) {
|
|
|
- this._latlngs.push(L.latLng(latlng));
|
|
|
- return this.redraw();
|
|
|
- },
|
|
|
-
|
|
|
- spliceLatLngs: function () { // (Number index, Number howMany)
|
|
|
- var removed = [].splice.apply(this._latlngs, arguments);
|
|
|
- this._convertLatLngs(this._latlngs, true);
|
|
|
- this.redraw();
|
|
|
- return removed;
|
|
|
- },
|
|
|
-
|
|
|
- closestLayerPoint: function (p) {
|
|
|
- var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;
|
|
|
-
|
|
|
- for (var j = 0, jLen = parts.length; j < jLen; j++) {
|
|
|
- var points = parts[j];
|
|
|
- for (var i = 1, len = points.length; i < len; i++) {
|
|
|
- p1 = points[i - 1];
|
|
|
- p2 = points[i];
|
|
|
- var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);
|
|
|
- if (sqDist < minDistance) {
|
|
|
- minDistance = sqDist;
|
|
|
- minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- if (minPoint) {
|
|
|
- minPoint.distance = Math.sqrt(minDistance);
|
|
|
- }
|
|
|
- return minPoint;
|
|
|
- },
|
|
|
-
|
|
|
- getBounds: function () {
|
|
|
- return new L.LatLngBounds(this.getLatLngs());
|
|
|
- },
|
|
|
-
|
|
|
- _convertLatLngs: function (latlngs, overwrite) {
|
|
|
- var i, len, target = overwrite ? latlngs : [];
|
|
|
-
|
|
|
- for (i = 0, len = latlngs.length; i < len; i++) {
|
|
|
- if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') {
|
|
|
- return;
|
|
|
- }
|
|
|
- target[i] = L.latLng(latlngs[i]);
|
|
|
- }
|
|
|
- return target;
|
|
|
- },
|
|
|
-
|
|
|
- _initEvents: function () {
|
|
|
- L.Path.prototype._initEvents.call(this);
|
|
|
- },
|
|
|
-
|
|
|
- _getPathPartStr: function (points) {
|
|
|
- var round = L.Path.VML;
|
|
|
-
|
|
|
- for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {
|
|
|
- p = points[j];
|
|
|
- if (round) {
|
|
|
- p._round();
|
|
|
- }
|
|
|
- str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
|
|
|
- }
|
|
|
- return str;
|
|
|
- },
|
|
|
-
|
|
|
- _clipPoints: function () {
|
|
|
- var points = this._originalPoints,
|
|
|
- len = points.length,
|
|
|
- i, k, segment;
|
|
|
-
|
|
|
- if (this.options.noClip) {
|
|
|
- this._parts = [points];
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- this._parts = [];
|
|
|
-
|
|
|
- var parts = this._parts,
|
|
|
- vp = this._map._pathViewport,
|
|
|
- lu = L.LineUtil;
|
|
|
-
|
|
|
- for (i = 0, k = 0; i < len - 1; i++) {
|
|
|
- segment = lu.clipSegment(points[i], points[i + 1], vp, i);
|
|
|
- if (!segment) {
|
|
|
- continue;
|
|
|
- }
|
|
|
-
|
|
|
- parts[k] = parts[k] || [];
|
|
|
- parts[k].push(segment[0]);
|
|
|
-
|
|
|
- // if segment goes out of screen, or it's the last one, it's the end of the line part
|
|
|
- if ((segment[1] !== points[i + 1]) || (i === len - 2)) {
|
|
|
- parts[k].push(segment[1]);
|
|
|
- k++;
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- // simplify each clipped part of the polyline
|
|
|
- _simplifyPoints: function () {
|
|
|
- var parts = this._parts,
|
|
|
- lu = L.LineUtil;
|
|
|
-
|
|
|
- for (var i = 0, len = parts.length; i < len; i++) {
|
|
|
- parts[i] = lu.simplify(parts[i], this.options.smoothFactor);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updatePath: function () {
|
|
|
- if (!this._map) { return; }
|
|
|
-
|
|
|
- this._clipPoints();
|
|
|
- this._simplifyPoints();
|
|
|
-
|
|
|
- L.Path.prototype._updatePath.call(this);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.polyline = function (latlngs, options) {
|
|
|
- return new L.Polyline(latlngs, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.PolyUtil contains utility functions for polygons (clipping, etc.).
|
|
|
- */
|
|
|
-
|
|
|
-/*jshint bitwise:false */ // allow bitwise operations here
|
|
|
-
|
|
|
-L.PolyUtil = {};
|
|
|
-
|
|
|
-/*
|
|
|
- * Sutherland-Hodgeman polygon clipping algorithm.
|
|
|
- * Used to avoid rendering parts of a polygon that are not currently visible.
|
|
|
- */
|
|
|
-L.PolyUtil.clipPolygon = function (points, bounds) {
|
|
|
- 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 each edge (left, bottom, right, top)
|
|
|
- for (k = 0; k < 4; k++) {
|
|
|
- edge = edges[k];
|
|
|
- clippedPoints = [];
|
|
|
-
|
|
|
- for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
|
|
|
- a = points[i];
|
|
|
- b = points[j];
|
|
|
-
|
|
|
- // if a is inside the clip window
|
|
|
- if (!(a._code & edge)) {
|
|
|
- // if b is outside the clip window (a->b goes out of screen)
|
|
|
- if (b._code & edge) {
|
|
|
- p = lu._getEdgeIntersection(b, a, edge, bounds);
|
|
|
- p._code = lu._getBitCode(p, bounds);
|
|
|
- clippedPoints.push(p);
|
|
|
- }
|
|
|
- clippedPoints.push(a);
|
|
|
-
|
|
|
- // else if b is inside the clip window (a->b enters the screen)
|
|
|
- } else if (!(b._code & edge)) {
|
|
|
- p = lu._getEdgeIntersection(b, a, edge, bounds);
|
|
|
- p._code = lu._getBitCode(p, bounds);
|
|
|
- clippedPoints.push(p);
|
|
|
- }
|
|
|
- }
|
|
|
- points = clippedPoints;
|
|
|
- }
|
|
|
-
|
|
|
- return points;
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Polygon is used to display polygons on a map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Polygon = L.Polyline.extend({
|
|
|
- options: {
|
|
|
- fill: true
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (latlngs, options) {
|
|
|
- var i, len, hole;
|
|
|
-
|
|
|
- L.Polyline.prototype.initialize.call(this, latlngs, options);
|
|
|
-
|
|
|
- if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
|
|
|
- this._latlngs = this._convertLatLngs(latlngs[0]);
|
|
|
- this._holes = latlngs.slice(1);
|
|
|
-
|
|
|
- for (i = 0, len = this._holes.length; i < len; i++) {
|
|
|
- hole = this._holes[i] = this._convertLatLngs(this._holes[i]);
|
|
|
- if (hole[0].equals(hole[hole.length - 1])) {
|
|
|
- hole.pop();
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // filter out last point if its equal to the first one
|
|
|
- latlngs = this._latlngs;
|
|
|
-
|
|
|
- if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) {
|
|
|
- latlngs.pop();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- projectLatlngs: function () {
|
|
|
- L.Polyline.prototype.projectLatlngs.call(this);
|
|
|
-
|
|
|
- // project polygon holes points
|
|
|
- // TODO move this logic to Polyline to get rid of duplication
|
|
|
- this._holePoints = [];
|
|
|
-
|
|
|
- if (!this._holes) { return; }
|
|
|
-
|
|
|
- var i, j, len, len2;
|
|
|
-
|
|
|
- for (i = 0, len = this._holes.length; i < len; i++) {
|
|
|
- this._holePoints[i] = [];
|
|
|
-
|
|
|
- for (j = 0, len2 = this._holes[i].length; j < len2; j++) {
|
|
|
- this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _clipPoints: function () {
|
|
|
- var points = this._originalPoints,
|
|
|
- newParts = [];
|
|
|
-
|
|
|
- this._parts = [points].concat(this._holePoints);
|
|
|
-
|
|
|
- if (this.options.noClip) { return; }
|
|
|
-
|
|
|
- for (var i = 0, len = this._parts.length; i < len; i++) {
|
|
|
- var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
|
|
|
- if (clipped.length) {
|
|
|
- newParts.push(clipped);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this._parts = newParts;
|
|
|
- },
|
|
|
-
|
|
|
- _getPathPartStr: function (points) {
|
|
|
- var str = L.Polyline.prototype._getPathPartStr.call(this, points);
|
|
|
- return str + (L.Browser.svg ? 'z' : 'x');
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.polygon = function (latlngs, options) {
|
|
|
- return new L.Polygon(latlngs, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Contains L.MultiPolyline and L.MultiPolygon layers.
|
|
|
- */
|
|
|
-
|
|
|
-(function () {
|
|
|
- function createMulti(Klass) {
|
|
|
-
|
|
|
- return L.FeatureGroup.extend({
|
|
|
-
|
|
|
- initialize: function (latlngs, options) {
|
|
|
- this._layers = {};
|
|
|
- this._options = options;
|
|
|
- this.setLatLngs(latlngs);
|
|
|
- },
|
|
|
-
|
|
|
- setLatLngs: function (latlngs) {
|
|
|
- var i = 0,
|
|
|
- len = latlngs.length;
|
|
|
-
|
|
|
- this.eachLayer(function (layer) {
|
|
|
- if (i < len) {
|
|
|
- layer.setLatLngs(latlngs[i++]);
|
|
|
- } else {
|
|
|
- this.removeLayer(layer);
|
|
|
- }
|
|
|
- }, this);
|
|
|
-
|
|
|
- while (i < len) {
|
|
|
- this.addLayer(new Klass(latlngs[i++], this._options));
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- }
|
|
|
- });
|
|
|
- }
|
|
|
-
|
|
|
- L.MultiPolyline = createMulti(L.Polyline);
|
|
|
- L.MultiPolygon = createMulti(L.Polygon);
|
|
|
-
|
|
|
- L.multiPolyline = function (latlngs, options) {
|
|
|
- return new L.MultiPolyline(latlngs, options);
|
|
|
- };
|
|
|
-
|
|
|
- L.multiPolygon = function (latlngs, options) {
|
|
|
- return new L.MultiPolygon(latlngs, options);
|
|
|
- };
|
|
|
-}());
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
|
|
|
- */
|
|
|
-
|
|
|
-L.Rectangle = L.Polygon.extend({
|
|
|
- initialize: function (latLngBounds, options) {
|
|
|
- L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
|
|
|
- },
|
|
|
-
|
|
|
- setBounds: function (latLngBounds) {
|
|
|
- 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.Circle is a circle overlay (with a certain radius in meters).
|
|
|
- */
|
|
|
-
|
|
|
-L.Circle = L.Path.extend({
|
|
|
- initialize: function (latlng, radius, options) {
|
|
|
- L.Path.prototype.initialize.call(this, options);
|
|
|
-
|
|
|
- this._latlng = L.latLng(latlng);
|
|
|
- this._mRadius = radius;
|
|
|
- },
|
|
|
-
|
|
|
- options: {
|
|
|
- fill: true
|
|
|
- },
|
|
|
-
|
|
|
- setLatLng: function (latlng) {
|
|
|
- this._latlng = L.latLng(latlng);
|
|
|
- return this.redraw();
|
|
|
- },
|
|
|
-
|
|
|
- setRadius: function (radius) {
|
|
|
- this._mRadius = radius;
|
|
|
- return this.redraw();
|
|
|
- },
|
|
|
-
|
|
|
- projectLatlngs: function () {
|
|
|
- var lngRadius = this._getLngRadius(),
|
|
|
- latlng = this._latlng,
|
|
|
- pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);
|
|
|
-
|
|
|
- this._point = this._map.latLngToLayerPoint(latlng);
|
|
|
- this._radius = Math.max(this._point.x - pointLeft.x, 1);
|
|
|
- },
|
|
|
-
|
|
|
- getBounds: function () {
|
|
|
- var lngRadius = this._getLngRadius(),
|
|
|
- latRadius = (this._mRadius / 40075017) * 360,
|
|
|
- latlng = this._latlng;
|
|
|
-
|
|
|
- return new L.LatLngBounds(
|
|
|
- [latlng.lat - latRadius, latlng.lng - lngRadius],
|
|
|
- [latlng.lat + latRadius, latlng.lng + lngRadius]);
|
|
|
- },
|
|
|
-
|
|
|
- getLatLng: function () {
|
|
|
- return this._latlng;
|
|
|
- },
|
|
|
-
|
|
|
- getPathString: function () {
|
|
|
- var p = this._point,
|
|
|
- r = this._radius;
|
|
|
-
|
|
|
- if (this._checkIfEmpty()) {
|
|
|
- return '';
|
|
|
- }
|
|
|
-
|
|
|
- if (L.Browser.svg) {
|
|
|
- return 'M' + p.x + ',' + (p.y - r) +
|
|
|
- 'A' + r + ',' + r + ',0,1,1,' +
|
|
|
- (p.x - 0.1) + ',' + (p.y - r) + ' z';
|
|
|
- } else {
|
|
|
- p._round();
|
|
|
- r = Math.round(r);
|
|
|
- return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- getRadius: function () {
|
|
|
- return this._mRadius;
|
|
|
- },
|
|
|
-
|
|
|
- // TODO Earth hardcoded, move into projection code!
|
|
|
-
|
|
|
- _getLatRadius: function () {
|
|
|
- return (this._mRadius / 40075017) * 360;
|
|
|
- },
|
|
|
-
|
|
|
- _getLngRadius: function () {
|
|
|
- return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
|
|
|
- },
|
|
|
-
|
|
|
- _checkIfEmpty: function () {
|
|
|
- if (!this._map) {
|
|
|
- return false;
|
|
|
- }
|
|
|
- var vp = this._map._pathViewport,
|
|
|
- r = this._radius,
|
|
|
- p = this._point;
|
|
|
-
|
|
|
- return p.x - r > vp.max.x || p.y - r > vp.max.y ||
|
|
|
- p.x + r < vp.min.x || p.y + r < vp.min.y;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.circle = function (latlng, radius, options) {
|
|
|
- return new L.Circle(latlng, radius, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.CircleMarker is a circle overlay with a permanent pixel radius.
|
|
|
- */
|
|
|
-
|
|
|
-L.CircleMarker = L.Circle.extend({
|
|
|
- options: {
|
|
|
- radius: 10,
|
|
|
- weight: 2
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (latlng, options) {
|
|
|
- L.Circle.prototype.initialize.call(this, latlng, null, options);
|
|
|
- this._radius = this.options.radius;
|
|
|
- },
|
|
|
-
|
|
|
- projectLatlngs: function () {
|
|
|
- this._point = this._map.latLngToLayerPoint(this._latlng);
|
|
|
- },
|
|
|
-
|
|
|
- _updateStyle : function () {
|
|
|
- L.Circle.prototype._updateStyle.call(this);
|
|
|
- this.setRadius(this.options.radius);
|
|
|
- },
|
|
|
-
|
|
|
- setRadius: function (radius) {
|
|
|
- this.options.radius = this._radius = radius;
|
|
|
- return this.redraw();
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.circleMarker = function (latlng, options) {
|
|
|
- return new L.CircleMarker(latlng, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines.
|
|
|
- */
|
|
|
-
|
|
|
-L.Polyline.include(!L.Path.CANVAS ? {} : {
|
|
|
- _containsPoint: function (p, closed) {
|
|
|
- var i, j, k, len, len2, dist, part,
|
|
|
- w = this.options.weight / 2;
|
|
|
-
|
|
|
- if (L.Browser.touch) {
|
|
|
- w += 10; // polyline click tolerance on touch devices
|
|
|
- }
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
-
|
|
|
- dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);
|
|
|
-
|
|
|
- if (dist <= w) {
|
|
|
- return true;
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- return false;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons.
|
|
|
- */
|
|
|
-
|
|
|
-L.Polygon.include(!L.Path.CANVAS ? {} : {
|
|
|
- _containsPoint: function (p) {
|
|
|
- var inside = false,
|
|
|
- part, p1, p2,
|
|
|
- i, j, k,
|
|
|
- len, len2;
|
|
|
-
|
|
|
- // TODO optimization: check if within bounds first
|
|
|
-
|
|
|
- if (L.Polyline.prototype._containsPoint.call(this, p, true)) {
|
|
|
- // click on polygon border
|
|
|
- return true;
|
|
|
- }
|
|
|
-
|
|
|
- // ray casting algorithm for detecting if point is in polygon
|
|
|
-
|
|
|
- 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;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Circle with Canvas-specific code.
|
|
|
- */
|
|
|
-
|
|
|
-L.Circle.include(!L.Path.CANVAS ? {} : {
|
|
|
- _drawPath: function () {
|
|
|
- var p = this._point;
|
|
|
- this._ctx.beginPath();
|
|
|
- this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);
|
|
|
- },
|
|
|
-
|
|
|
- _containsPoint: function (p) {
|
|
|
- var center = this._point,
|
|
|
- w2 = this.options.stroke ? this.options.weight / 2 : 0;
|
|
|
-
|
|
|
- return (p.distanceTo(center) <= this._radius + w2);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * CircleMarker canvas specific drawing parts.
|
|
|
- */
|
|
|
-
|
|
|
-L.CircleMarker.include(!L.Path.CANVAS ? {} : {
|
|
|
- _updateStyle: function () {
|
|
|
- L.Path.prototype._updateStyle.call(this);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.GeoJSON turns any GeoJSON data into a Leaflet layer.
|
|
|
- */
|
|
|
-
|
|
|
-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;
|
|
|
-
|
|
|
- if (features) {
|
|
|
- for (i = 0, len = features.length; i < len; i++) {
|
|
|
- // Only add this if geometry or geometries are set and not null
|
|
|
- if (features[i].geometries || features[i].geometry || features[i].features) {
|
|
|
- this.addData(features[i]);
|
|
|
- }
|
|
|
- }
|
|
|
- return this;
|
|
|
- }
|
|
|
-
|
|
|
- var options = this.options;
|
|
|
-
|
|
|
- if (options.filter && !options.filter(geojson)) { return; }
|
|
|
-
|
|
|
- var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng);
|
|
|
- layer.feature = geojson;
|
|
|
-
|
|
|
- layer.defaultOptions = layer.options;
|
|
|
- this.resetStyle(layer);
|
|
|
-
|
|
|
- if (options.onEachFeature) {
|
|
|
- options.onEachFeature(geojson, layer);
|
|
|
- }
|
|
|
-
|
|
|
- return this.addLayer(layer);
|
|
|
- },
|
|
|
-
|
|
|
- resetStyle: function (layer) {
|
|
|
- var style = this.options.style;
|
|
|
- if (style) {
|
|
|
- // reset any custom styles
|
|
|
- L.Util.extend(layer.options, layer.defaultOptions);
|
|
|
-
|
|
|
- this._setLayerStyle(layer, style);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- setStyle: function (style) {
|
|
|
- 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, pointToLayer, coordsToLatLng) {
|
|
|
- var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
|
|
|
- coords = geometry.coordinates,
|
|
|
- layers = [],
|
|
|
- latlng, latlngs, i, len, layer;
|
|
|
-
|
|
|
- coordsToLatLng = coordsToLatLng || this.coordsToLatLng;
|
|
|
-
|
|
|
- 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]);
|
|
|
- layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
|
|
|
- layers.push(layer);
|
|
|
- }
|
|
|
- return new L.FeatureGroup(layers);
|
|
|
-
|
|
|
- case 'LineString':
|
|
|
- latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng);
|
|
|
- return new L.Polyline(latlngs);
|
|
|
-
|
|
|
- case 'Polygon':
|
|
|
- latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
|
|
|
- return new L.Polygon(latlngs);
|
|
|
-
|
|
|
- case 'MultiLineString':
|
|
|
- latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
|
|
|
- return new L.MultiPolyline(latlngs);
|
|
|
-
|
|
|
- case 'MultiPolygon':
|
|
|
- latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng);
|
|
|
- return new L.MultiPolygon(latlngs);
|
|
|
-
|
|
|
- case 'GeometryCollection':
|
|
|
- for (i = 0, len = geometry.geometries.length; i < len; i++) {
|
|
|
-
|
|
|
- layer = this.geometryToLayer({
|
|
|
- geometry: geometry.geometries[i],
|
|
|
- type: 'Feature',
|
|
|
- properties: geojson.properties
|
|
|
- }, pointToLayer);
|
|
|
-
|
|
|
- layers.push(layer);
|
|
|
- }
|
|
|
- return new L.FeatureGroup(layers);
|
|
|
-
|
|
|
- default:
|
|
|
- throw new Error('Invalid GeoJSON object.');
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng
|
|
|
- return new L.LatLng(coords[1], coords[0]);
|
|
|
- },
|
|
|
-
|
|
|
- coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array
|
|
|
- var latlng, i, len,
|
|
|
- latlngs = [];
|
|
|
-
|
|
|
- for (i = 0, len = coords.length; 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.lng, latLng.lat];
|
|
|
- },
|
|
|
-
|
|
|
- latLngsToCoords: function (latLngs) {
|
|
|
- var coords = [];
|
|
|
-
|
|
|
- for (var i = 0, len = latLngs.length; i < len; i++) {
|
|
|
- coords.push(L.GeoJSON.latLngToCoords(latLngs[i]));
|
|
|
- }
|
|
|
-
|
|
|
- return coords;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Marker.include({
|
|
|
- toGeoJSON: function () {
|
|
|
- return {
|
|
|
- type: 'Point',
|
|
|
- coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
|
|
|
- };
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Polyline.include({
|
|
|
- toGeoJSON: function () {
|
|
|
- return {
|
|
|
- type: 'LineString',
|
|
|
- coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs())
|
|
|
- };
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Polygon.include({
|
|
|
- toGeoJSON: function () {
|
|
|
- var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())],
|
|
|
- i, len, hole;
|
|
|
-
|
|
|
- coords[0].push(coords[0][0]);
|
|
|
-
|
|
|
- if (this._holes) {
|
|
|
- for (i = 0, len = this._holes.length; i < len; i++) {
|
|
|
- hole = L.GeoJSON.latLngsToCoords(this._holes[i]);
|
|
|
- hole.push(hole[0]);
|
|
|
- coords.push(hole);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- return {
|
|
|
- type: 'Polygon',
|
|
|
- coordinates: coords
|
|
|
- };
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-(function () {
|
|
|
- function includeMulti(Klass, type) {
|
|
|
- Klass.include({
|
|
|
- toGeoJSON: function () {
|
|
|
- var coords = [];
|
|
|
-
|
|
|
- this.eachLayer(function (layer) {
|
|
|
- coords.push(layer.toGeoJSON().coordinates);
|
|
|
- });
|
|
|
-
|
|
|
- return {
|
|
|
- type: type,
|
|
|
- coordinates: coords
|
|
|
- };
|
|
|
- }
|
|
|
- });
|
|
|
- }
|
|
|
-
|
|
|
- includeMulti(L.MultiPolyline, 'MultiLineString');
|
|
|
- includeMulti(L.MultiPolygon, 'MultiPolygon');
|
|
|
-}());
|
|
|
-
|
|
|
-L.LayerGroup.include({
|
|
|
- toGeoJSON: function () {
|
|
|
- var geoms = [];
|
|
|
-
|
|
|
- this.eachLayer(function (layer) {
|
|
|
- if (layer.toGeoJSON) {
|
|
|
- geoms.push(layer.toGeoJSON());
|
|
|
- }
|
|
|
- });
|
|
|
-
|
|
|
- return {
|
|
|
- type: 'GeometryCollection',
|
|
|
- geometries: geoms
|
|
|
- };
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.geoJson = function (geojson, options) {
|
|
|
- return new L.GeoJSON(geojson, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.DomEvent contains functions for working with DOM events.
|
|
|
- */
|
|
|
-
|
|
|
-L.DomEvent = {
|
|
|
- /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */
|
|
|
- addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])
|
|
|
-
|
|
|
- var id = L.stamp(fn),
|
|
|
- key = '_leaflet_' + type + id,
|
|
|
- handler, originalHandler, newType;
|
|
|
-
|
|
|
- if (obj[key]) { return this; }
|
|
|
-
|
|
|
- handler = function (e) {
|
|
|
- return fn.call(context || obj, e || L.DomEvent._getEvent());
|
|
|
- };
|
|
|
-
|
|
|
- if (L.Browser.msTouch && type.indexOf('touch') === 0) {
|
|
|
- return this.addMsTouchListener(obj, type, handler, id);
|
|
|
- }
|
|
|
- if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
|
|
|
- this.addDoubleTapListener(obj, handler, id);
|
|
|
- }
|
|
|
-
|
|
|
- if ('addEventListener' in obj) {
|
|
|
-
|
|
|
- if (type === 'mousewheel') {
|
|
|
- obj.addEventListener('DOMMouseScroll', handler, false);
|
|
|
- obj.addEventListener(type, handler, false);
|
|
|
-
|
|
|
- } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
|
|
|
-
|
|
|
- originalHandler = handler;
|
|
|
- newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');
|
|
|
-
|
|
|
- handler = function (e) {
|
|
|
- if (!L.DomEvent._checkMouse(obj, e)) { return; }
|
|
|
- return originalHandler(e);
|
|
|
- };
|
|
|
-
|
|
|
- obj.addEventListener(newType, handler, false);
|
|
|
-
|
|
|
- } else if (type === 'click' && L.Browser.android) {
|
|
|
- originalHandler = handler;
|
|
|
- handler = function (e) {
|
|
|
- return L.DomEvent._filterClick(e, originalHandler);
|
|
|
- };
|
|
|
-
|
|
|
- obj.addEventListener(type, handler, false);
|
|
|
- } else {
|
|
|
- obj.addEventListener(type, handler, false);
|
|
|
- }
|
|
|
-
|
|
|
- } else if ('attachEvent' in obj) {
|
|
|
- obj.attachEvent('on' + type, handler);
|
|
|
- }
|
|
|
-
|
|
|
- obj[key] = handler;
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeListener: function (obj, type, fn) { // (HTMLElement, String, Function)
|
|
|
-
|
|
|
- var id = L.stamp(fn),
|
|
|
- key = '_leaflet_' + type + id,
|
|
|
- handler = obj[key];
|
|
|
-
|
|
|
- if (!handler) { return this; }
|
|
|
-
|
|
|
- if (L.Browser.msTouch && type.indexOf('touch') === 0) {
|
|
|
- this.removeMsTouchListener(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('DOMMouseScroll', handler, false);
|
|
|
- obj.removeEventListener(type, handler, false);
|
|
|
-
|
|
|
- } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
|
|
|
- obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
|
|
|
- } else {
|
|
|
- obj.removeEventListener(type, handler, false);
|
|
|
- }
|
|
|
- } else if ('detachEvent' in obj) {
|
|
|
- obj.detachEvent('on' + type, handler);
|
|
|
- }
|
|
|
-
|
|
|
- obj[key] = null;
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- stopPropagation: function (e) {
|
|
|
-
|
|
|
- if (e.stopPropagation) {
|
|
|
- e.stopPropagation();
|
|
|
- } else {
|
|
|
- e.cancelBubble = true;
|
|
|
- }
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- disableClickPropagation: function (el) {
|
|
|
-
|
|
|
- var stop = L.DomEvent.stopPropagation;
|
|
|
-
|
|
|
- for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
|
|
|
- L.DomEvent.addListener(el, L.Draggable.START[i], stop);
|
|
|
- }
|
|
|
-
|
|
|
- return L.DomEvent
|
|
|
- .addListener(el, 'click', stop)
|
|
|
- .addListener(el, '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) {
|
|
|
-
|
|
|
- var body = document.body,
|
|
|
- docEl = document.documentElement,
|
|
|
- x = e.pageX ? e.pageX : e.clientX + body.scrollLeft + docEl.scrollLeft,
|
|
|
- y = e.pageY ? e.pageY : e.clientY + body.scrollTop + docEl.scrollTop,
|
|
|
- pos = new L.Point(x, y);
|
|
|
-
|
|
|
- return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);
|
|
|
- },
|
|
|
-
|
|
|
- getWheelDelta: function (e) {
|
|
|
-
|
|
|
- var delta = 0;
|
|
|
-
|
|
|
- if (e.wheelDelta) {
|
|
|
- delta = e.wheelDelta / 120;
|
|
|
- }
|
|
|
- if (e.detail) {
|
|
|
- delta = -e.detail / 3;
|
|
|
- }
|
|
|
- return delta;
|
|
|
- },
|
|
|
-
|
|
|
- // check if element really left/entered the event target (for mouseenter/mouseleave)
|
|
|
- _checkMouse: 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);
|
|
|
- },
|
|
|
-
|
|
|
- _getEvent: function () { // evil magic for IE
|
|
|
- /*jshint noarg:false */
|
|
|
- var e = window.event;
|
|
|
- if (!e) {
|
|
|
- var caller = arguments.callee.caller;
|
|
|
- while (caller) {
|
|
|
- e = caller['arguments'][0];
|
|
|
- if (e && window.Event === e.constructor) {
|
|
|
- break;
|
|
|
- }
|
|
|
- caller = caller.caller;
|
|
|
- }
|
|
|
- }
|
|
|
- return e;
|
|
|
- },
|
|
|
-
|
|
|
- // this solves a bug in Android WebView where a single touch triggers two click events.
|
|
|
- _filterClick: function (e, handler) {
|
|
|
- var timeStamp = (e.timeStamp || e.originalEvent.timeStamp);
|
|
|
- var elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);
|
|
|
-
|
|
|
- // are they closer together than 400ms yet more than 100ms?
|
|
|
- // Android typically triggers them ~300ms apart while multiple listeners
|
|
|
- // on the same event should be triggered far faster.
|
|
|
-
|
|
|
- if (elapsed && elapsed > 100 && elapsed < 400) {
|
|
|
- L.DomEvent.stop(e);
|
|
|
- return;
|
|
|
- }
|
|
|
- L.DomEvent._lastClick = timeStamp;
|
|
|
-
|
|
|
- return handler(e);
|
|
|
- }
|
|
|
-};
|
|
|
-
|
|
|
-L.DomEvent.on = L.DomEvent.addListener;
|
|
|
-L.DomEvent.off = L.DomEvent.removeListener;
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
|
|
|
- */
|
|
|
-
|
|
|
-L.Draggable = L.Class.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- statics: {
|
|
|
- START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
|
|
|
- END: {
|
|
|
- mousedown: 'mouseup',
|
|
|
- touchstart: 'touchend',
|
|
|
- MSPointerDown: 'touchend'
|
|
|
- },
|
|
|
- MOVE: {
|
|
|
- mousedown: 'mousemove',
|
|
|
- touchstart: 'touchmove',
|
|
|
- MSPointerDown: 'touchmove'
|
|
|
- },
|
|
|
- TAP_TOLERANCE: 15
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (element, dragStartTarget, longPress) {
|
|
|
- this._element = element;
|
|
|
- this._dragStartTarget = dragStartTarget || element;
|
|
|
- this._longPress = longPress && !L.Browser.msTouch;
|
|
|
- },
|
|
|
-
|
|
|
- enable: function () {
|
|
|
- if (this._enabled) { return; }
|
|
|
-
|
|
|
- for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
|
|
|
- L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._enabled = true;
|
|
|
- },
|
|
|
-
|
|
|
- disable: function () {
|
|
|
- if (!this._enabled) { return; }
|
|
|
-
|
|
|
- for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
|
|
|
- L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._enabled = false;
|
|
|
- this._moved = false;
|
|
|
- },
|
|
|
-
|
|
|
- _onDown: function (e) {
|
|
|
- if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .preventDefault(e)
|
|
|
- .stopPropagation(e);
|
|
|
-
|
|
|
- if (L.Draggable._disabled) { return; }
|
|
|
-
|
|
|
- this._simulateClick = true;
|
|
|
-
|
|
|
- var touchesNum = (e.touches && e.touches.length) || 0;
|
|
|
-
|
|
|
- // don't simulate click or track longpress if more than 1 touch
|
|
|
- if (touchesNum > 1) {
|
|
|
- this._simulateClick = false;
|
|
|
- clearTimeout(this._longPressTimeout);
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- var first = touchesNum === 1 ? e.touches[0] : e,
|
|
|
- el = first.target;
|
|
|
-
|
|
|
- // if touching a link, highlight it
|
|
|
- if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
|
|
|
- L.DomUtil.addClass(el, 'leaflet-active');
|
|
|
- }
|
|
|
-
|
|
|
- this._moved = false;
|
|
|
-
|
|
|
- if (this._moving) { return; }
|
|
|
-
|
|
|
- this._startPoint = new L.Point(first.clientX, first.clientY);
|
|
|
- this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
|
|
|
-
|
|
|
- // touch contextmenu event emulation
|
|
|
- if (touchesNum === 1 && L.Browser.touch && this._longPress) {
|
|
|
-
|
|
|
- this._longPressTimeout = setTimeout(L.bind(function () {
|
|
|
- var dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
|
|
|
-
|
|
|
- if (dist < L.Draggable.TAP_TOLERANCE) {
|
|
|
- this._simulateClick = false;
|
|
|
- this._onUp();
|
|
|
- this._simulateEvent('contextmenu', first);
|
|
|
- }
|
|
|
- }, this), 1000);
|
|
|
- }
|
|
|
-
|
|
|
- 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.touches && e.touches.length > 1) { 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; }
|
|
|
-
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
-
|
|
|
- if (!this._moved) {
|
|
|
- this.fire('dragstart');
|
|
|
-
|
|
|
- this._moved = true;
|
|
|
- this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);
|
|
|
-
|
|
|
- if (!L.Browser.touch) {
|
|
|
- L.DomUtil.disableTextSelection();
|
|
|
- L.DomUtil.addClass(document.body, 'leaflet-dragging');
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this._newPos = this._startPos.add(offset);
|
|
|
- this._moving = true;
|
|
|
-
|
|
|
- L.Util.cancelAnimFrame(this._animRequest);
|
|
|
- this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);
|
|
|
- },
|
|
|
-
|
|
|
- _updatePosition: function () {
|
|
|
- this.fire('predrag');
|
|
|
- L.DomUtil.setPosition(this._element, this._newPos);
|
|
|
- this.fire('drag');
|
|
|
- },
|
|
|
-
|
|
|
- _onUp: function (e) {
|
|
|
- var first, el, dist, simulateClickTouch, i;
|
|
|
-
|
|
|
- clearTimeout(this._longPressTimeout);
|
|
|
-
|
|
|
- if (this._simulateClick && e.changedTouches) {
|
|
|
-
|
|
|
- dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
|
|
|
- first = e.changedTouches[0];
|
|
|
- el = first.target;
|
|
|
-
|
|
|
- if (el.tagName.toLowerCase() === 'a') {
|
|
|
- L.DomUtil.removeClass(el, 'leaflet-active');
|
|
|
- }
|
|
|
-
|
|
|
- // simulate click if the touch didn't move too much
|
|
|
- if (dist < L.Draggable.TAP_TOLERANCE) {
|
|
|
- simulateClickTouch = true;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (!L.Browser.touch) {
|
|
|
- L.DomUtil.enableTextSelection();
|
|
|
- L.DomUtil.removeClass(document.body, 'leaflet-dragging');
|
|
|
- }
|
|
|
-
|
|
|
- for (i in L.Draggable.MOVE) {
|
|
|
- L.DomEvent
|
|
|
- .off(document, L.Draggable.MOVE[i], this._onMove)
|
|
|
- .off(document, L.Draggable.END[i], this._onUp);
|
|
|
- }
|
|
|
-
|
|
|
- if (this._moved) {
|
|
|
- // ensure drag is not fired after dragend
|
|
|
- L.Util.cancelAnimFrame(this._animRequest);
|
|
|
-
|
|
|
- this.fire('dragend');
|
|
|
- }
|
|
|
-
|
|
|
- this._moving = false;
|
|
|
-
|
|
|
- if (simulateClickTouch) {
|
|
|
- this._moved = false;
|
|
|
- this._simulateEvent('click', first);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _simulateEvent: function (type, e) {
|
|
|
- var simulatedEvent = document.createEvent('MouseEvents');
|
|
|
-
|
|
|
- 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);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- L.Handler is a base class for handler classes that are used internally to inject
|
|
|
- interaction features like dragging to classes like Map and Marker.
|
|
|
-*/
|
|
|
-
|
|
|
-L.Handler = L.Class.extend({
|
|
|
- initialize: function (map) {
|
|
|
- this._map = map;
|
|
|
- },
|
|
|
-
|
|
|
- enable: function () {
|
|
|
- if (this._enabled) { return; }
|
|
|
-
|
|
|
- this._enabled = true;
|
|
|
- this.addHooks();
|
|
|
- },
|
|
|
-
|
|
|
- disable: function () {
|
|
|
- if (!this._enabled) { return; }
|
|
|
-
|
|
|
- this._enabled = false;
|
|
|
- this.removeHooks();
|
|
|
- },
|
|
|
-
|
|
|
- enabled: function () {
|
|
|
- return !!this._enabled;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- dragging: true,
|
|
|
-
|
|
|
- inertia: !L.Browser.android23,
|
|
|
- inertiaDeceleration: 3400, // px/s^2
|
|
|
- inertiaMaxSpeed: Infinity, // px/s
|
|
|
- inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
|
|
|
- easeLinearity: 0.25,
|
|
|
-
|
|
|
- longPress: true,
|
|
|
-
|
|
|
- // TODO refactor, move to CRS
|
|
|
- worldCopyJump: false
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.Drag = L.Handler.extend({
|
|
|
- addHooks: function () {
|
|
|
- if (!this._draggable) {
|
|
|
- var map = this._map;
|
|
|
-
|
|
|
- this._draggable = new L.Draggable(map._mapPane, map._container, map.options.longPress);
|
|
|
-
|
|
|
- this._draggable.on({
|
|
|
- 'dragstart': this._onDragStart,
|
|
|
- 'drag': this._onDrag,
|
|
|
- 'dragend': this._onDragEnd
|
|
|
- }, this);
|
|
|
-
|
|
|
- if (map.options.worldCopyJump) {
|
|
|
- this._draggable.on('predrag', this._onPreDrag, this);
|
|
|
- map.on('viewreset', this._onViewReset, this);
|
|
|
- }
|
|
|
- }
|
|
|
- this._draggable.enable();
|
|
|
- },
|
|
|
-
|
|
|
- removeHooks: function () {
|
|
|
- this._draggable.disable();
|
|
|
- },
|
|
|
-
|
|
|
- moved: function () {
|
|
|
- return this._draggable && this._draggable._moved;
|
|
|
- },
|
|
|
-
|
|
|
- _onDragStart: function () {
|
|
|
- var map = this._map;
|
|
|
-
|
|
|
- if (map._panAnim) {
|
|
|
- map._panAnim.stop();
|
|
|
- }
|
|
|
-
|
|
|
- map
|
|
|
- .fire('movestart')
|
|
|
- .fire('dragstart');
|
|
|
-
|
|
|
- if (map.options.inertia) {
|
|
|
- this._positions = [];
|
|
|
- this._times = [];
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onDrag: function () {
|
|
|
- if (this._map.options.inertia) {
|
|
|
- var time = this._lastTime = +new Date(),
|
|
|
- pos = this._lastPos = this._draggable._newPos;
|
|
|
-
|
|
|
- this._positions.push(pos);
|
|
|
- this._times.push(time);
|
|
|
-
|
|
|
- if (time - this._times[0] > 200) {
|
|
|
- this._positions.shift();
|
|
|
- this._times.shift();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- this._map
|
|
|
- .fire('move')
|
|
|
- .fire('drag');
|
|
|
- },
|
|
|
-
|
|
|
- _onViewReset: function () {
|
|
|
- // TODO fix hardcoded Earth values
|
|
|
- var pxCenter = this._map.getSize()._divideBy(2),
|
|
|
- pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);
|
|
|
-
|
|
|
- this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
|
|
|
- this._worldWidth = this._map.project([0, 180]).x;
|
|
|
- },
|
|
|
-
|
|
|
- _onPreDrag: function () {
|
|
|
- // TODO refactor to be able to adjust map pane position after zoom
|
|
|
- var worldWidth = this._worldWidth,
|
|
|
- halfWidth = Math.round(worldWidth / 2),
|
|
|
- dx = this._initialWorldOffset,
|
|
|
- x = this._draggable._newPos.x,
|
|
|
- newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx,
|
|
|
- newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx,
|
|
|
- newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;
|
|
|
-
|
|
|
- this._draggable._newPos.x = newX;
|
|
|
- },
|
|
|
-
|
|
|
- _onDragEnd: function () {
|
|
|
- var map = this._map,
|
|
|
- options = map.options,
|
|
|
- delay = +new Date() - this._lastTime,
|
|
|
-
|
|
|
- noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];
|
|
|
-
|
|
|
- map.fire('dragend');
|
|
|
-
|
|
|
- if (noInertia) {
|
|
|
- map.fire('moveend');
|
|
|
-
|
|
|
- } else {
|
|
|
-
|
|
|
- var direction = this._lastPos.subtract(this._positions[0]),
|
|
|
- duration = (this._lastTime + delay - 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 {
|
|
|
- L.Util.requestAnimFrame(function () {
|
|
|
- map.panBy(offset, {
|
|
|
- duration: decelerationDuration,
|
|
|
- easeLinearity: ease,
|
|
|
- noMoveStart: true
|
|
|
- });
|
|
|
- });
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- doubleClickZoom: true
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.DoubleClickZoom = L.Handler.extend({
|
|
|
- addHooks: function () {
|
|
|
- this._map.on('dblclick', this._onDoubleClick);
|
|
|
- },
|
|
|
-
|
|
|
- removeHooks: function () {
|
|
|
- this._map.off('dblclick', this._onDoubleClick);
|
|
|
- },
|
|
|
-
|
|
|
- _onDoubleClick: function (e) {
|
|
|
- this.setZoomAround(e.containerPoint, this._zoom + 1);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- scrollWheelZoom: true
|
|
|
-});
|
|
|
-
|
|
|
-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);
|
|
|
- },
|
|
|
-
|
|
|
- _onWheelScroll: function (e) {
|
|
|
- var delta = L.DomEvent.getWheelDelta(e);
|
|
|
-
|
|
|
- this._delta += delta;
|
|
|
- this._lastMousePos = this._map.mouseEventToContainerPoint(e);
|
|
|
-
|
|
|
- if (!this._startTime) {
|
|
|
- this._startTime = +new Date();
|
|
|
- }
|
|
|
-
|
|
|
- var left = Math.max(40 - (+new Date() - this._startTime), 0);
|
|
|
-
|
|
|
- clearTimeout(this._timer);
|
|
|
- this._timer = setTimeout(L.bind(this._performZoom, this), left);
|
|
|
-
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- L.DomEvent.stopPropagation(e);
|
|
|
- },
|
|
|
-
|
|
|
- _performZoom: function () {
|
|
|
- var map = this._map,
|
|
|
- delta = this._delta,
|
|
|
- zoom = map.getZoom();
|
|
|
-
|
|
|
- delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta);
|
|
|
- delta = Math.max(Math.min(delta, 4), -4);
|
|
|
- delta = map._limitZoom(zoom + delta) - zoom;
|
|
|
-
|
|
|
- this._delta = 0;
|
|
|
- this._startTime = null;
|
|
|
-
|
|
|
- if (!delta) { return; }
|
|
|
-
|
|
|
- map.setZoomAround(this._lastMousePos, zoom + delta);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends the event handling code with double tap support for mobile browsers.
|
|
|
- */
|
|
|
-
|
|
|
-L.extend(L.DomEvent, {
|
|
|
-
|
|
|
- _touchstart: L.Browser.msTouch ? 'MSPointerDown' : 'touchstart',
|
|
|
- _touchend: L.Browser.msTouch ? 'MSPointerUp' : 'touchend',
|
|
|
-
|
|
|
- // inspired by Zepto touch code by Thomas Fuchs
|
|
|
- addDoubleTapListener: function (obj, handler, id) {
|
|
|
- var last,
|
|
|
- doubleTap = false,
|
|
|
- delay = 250,
|
|
|
- touch,
|
|
|
- pre = '_leaflet_',
|
|
|
- touchstart = this._touchstart,
|
|
|
- touchend = this._touchend,
|
|
|
- trackedTouches = [];
|
|
|
-
|
|
|
- function onTouchStart(e) {
|
|
|
- var count;
|
|
|
-
|
|
|
- if (L.Browser.msTouch) {
|
|
|
- trackedTouches.push(e.pointerId);
|
|
|
- count = trackedTouches.length;
|
|
|
- } 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 (L.Browser.msTouch) {
|
|
|
- var idx = trackedTouches.indexOf(e.pointerId);
|
|
|
- if (idx === -1) {
|
|
|
- return;
|
|
|
- }
|
|
|
- trackedTouches.splice(idx, 1);
|
|
|
- }
|
|
|
-
|
|
|
- if (doubleTap) {
|
|
|
- if (L.Browser.msTouch) {
|
|
|
- // work around .type being readonly with MSPointer* events
|
|
|
- var newTouch = { },
|
|
|
- prop;
|
|
|
-
|
|
|
- // jshint forin:false
|
|
|
- for (var i in touch) {
|
|
|
- prop = touch[i];
|
|
|
- if (typeof prop === 'function') {
|
|
|
- newTouch[i] = prop.bind(touch);
|
|
|
- } else {
|
|
|
- newTouch[i] = prop;
|
|
|
- }
|
|
|
- }
|
|
|
- touch = newTouch;
|
|
|
- }
|
|
|
- touch.type = 'dblclick';
|
|
|
- handler(touch);
|
|
|
- last = null;
|
|
|
- }
|
|
|
- }
|
|
|
- obj[pre + touchstart + id] = onTouchStart;
|
|
|
- obj[pre + touchend + id] = onTouchEnd;
|
|
|
-
|
|
|
- // on msTouch we need to listen on the document, otherwise a drag starting on the map and moving off screen
|
|
|
- // will not come through to us, so we will lose track of how many touches are ongoing
|
|
|
- var endElement = L.Browser.msTouch ? document.documentElement : obj;
|
|
|
-
|
|
|
- obj.addEventListener(touchstart, onTouchStart, false);
|
|
|
- endElement.addEventListener(touchend, onTouchEnd, false);
|
|
|
-
|
|
|
- if (L.Browser.msTouch) {
|
|
|
- endElement.addEventListener('MSPointerCancel', onTouchEnd, false);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeDoubleTapListener: function (obj, id) {
|
|
|
- var pre = '_leaflet_';
|
|
|
-
|
|
|
- obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
|
|
|
- (L.Browser.msTouch ? document.documentElement : obj).removeEventListener(
|
|
|
- this._touchend, obj[pre + this._touchend + id], false);
|
|
|
-
|
|
|
- if (L.Browser.msTouch) {
|
|
|
- document.documentElement.removeEventListener('MSPointerCancel', obj[pre + this._touchend + id], false);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
|
|
|
- */
|
|
|
-
|
|
|
-L.extend(L.DomEvent, {
|
|
|
-
|
|
|
- _msTouches: [],
|
|
|
- _msDocumentListener: false,
|
|
|
-
|
|
|
- // Provides a touch events wrapper for msPointer events.
|
|
|
- // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019
|
|
|
-
|
|
|
- addMsTouchListener: function (obj, type, handler, id) {
|
|
|
-
|
|
|
- switch (type) {
|
|
|
- case 'touchstart':
|
|
|
- return this.addMsTouchListenerStart(obj, type, handler, id);
|
|
|
- case 'touchend':
|
|
|
- return this.addMsTouchListenerEnd(obj, type, handler, id);
|
|
|
- case 'touchmove':
|
|
|
- return this.addMsTouchListenerMove(obj, type, handler, id);
|
|
|
- default:
|
|
|
- throw 'Unknown touch event type';
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- addMsTouchListenerStart: function (obj, type, handler, id) {
|
|
|
- var pre = '_leaflet_',
|
|
|
- touches = this._msTouches;
|
|
|
-
|
|
|
- var cb = function (e) {
|
|
|
-
|
|
|
- var alreadyInArray = false;
|
|
|
- for (var i = 0; i < touches.length; i++) {
|
|
|
- if (touches[i].pointerId === e.pointerId) {
|
|
|
- alreadyInArray = true;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- if (!alreadyInArray) {
|
|
|
- touches.push(e);
|
|
|
- }
|
|
|
-
|
|
|
- e.touches = touches.slice();
|
|
|
- e.changedTouches = [e];
|
|
|
-
|
|
|
- handler(e);
|
|
|
- };
|
|
|
-
|
|
|
- obj[pre + 'touchstart' + id] = cb;
|
|
|
- obj.addEventListener('MSPointerDown', cb, false);
|
|
|
-
|
|
|
- // need to also listen for end events to keep the _msTouches list accurate
|
|
|
- // this needs to be on the body and never go away
|
|
|
- if (!this._msDocumentListener) {
|
|
|
- var internalCb = function (e) {
|
|
|
- for (var i = 0; i < touches.length; i++) {
|
|
|
- if (touches[i].pointerId === e.pointerId) {
|
|
|
- touches.splice(i, 1);
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
- };
|
|
|
- //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there
|
|
|
- document.documentElement.addEventListener('MSPointerUp', internalCb, false);
|
|
|
- document.documentElement.addEventListener('MSPointerCancel', internalCb, false);
|
|
|
-
|
|
|
- this._msDocumentListener = true;
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addMsTouchListenerMove: function (obj, type, handler, id) {
|
|
|
- var pre = '_leaflet_',
|
|
|
- touches = this._msTouches;
|
|
|
-
|
|
|
- function cb(e) {
|
|
|
-
|
|
|
- // don't fire touch moves when mouse isn't down
|
|
|
- if (e.pointerType === e.MSPOINTER_TYPE_MOUSE && e.buttons === 0) { return; }
|
|
|
-
|
|
|
- for (var i = 0; i < touches.length; i++) {
|
|
|
- if (touches[i].pointerId === e.pointerId) {
|
|
|
- touches[i] = e;
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- e.touches = touches.slice();
|
|
|
- e.changedTouches = [e];
|
|
|
-
|
|
|
- handler(e);
|
|
|
- }
|
|
|
-
|
|
|
- obj[pre + 'touchmove' + id] = cb;
|
|
|
- obj.addEventListener('MSPointerMove', cb, false);
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addMsTouchListenerEnd: function (obj, type, handler, id) {
|
|
|
- var pre = '_leaflet_',
|
|
|
- touches = this._msTouches;
|
|
|
-
|
|
|
- var cb = function (e) {
|
|
|
- for (var i = 0; i < touches.length; i++) {
|
|
|
- if (touches[i].pointerId === e.pointerId) {
|
|
|
- touches.splice(i, 1);
|
|
|
- break;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- e.touches = touches.slice();
|
|
|
- e.changedTouches = [e];
|
|
|
-
|
|
|
- handler(e);
|
|
|
- };
|
|
|
-
|
|
|
- obj[pre + 'touchend' + id] = cb;
|
|
|
- obj.addEventListener('MSPointerUp', cb, false);
|
|
|
- obj.addEventListener('MSPointerCancel', cb, false);
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeMsTouchListener: function (obj, type, id) {
|
|
|
- var pre = '_leaflet_',
|
|
|
- cb = obj[pre + type + id];
|
|
|
-
|
|
|
- switch (type) {
|
|
|
- case 'touchstart':
|
|
|
- obj.removeEventListener('MSPointerDown', cb, false);
|
|
|
- break;
|
|
|
- case 'touchmove':
|
|
|
- obj.removeEventListener('MSPointerMove', cb, false);
|
|
|
- break;
|
|
|
- case 'touchend':
|
|
|
- obj.removeEventListener('MSPointerUp', cb, false);
|
|
|
- obj.removeEventListener('MSPointerCancel', cb, false);
|
|
|
- break;
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- touchZoom: L.Browser.touch && !L.Browser.android23
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.TouchZoom = L.Handler.extend({
|
|
|
- addHooks: function () {
|
|
|
- L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);
|
|
|
- },
|
|
|
-
|
|
|
- removeHooks: function () {
|
|
|
- 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.mouseEventToLayerPoint(e.touches[0]),
|
|
|
- p2 = map.mouseEventToLayerPoint(e.touches[1]),
|
|
|
- viewCenter = map._getCenterLayerPoint();
|
|
|
-
|
|
|
- this._startCenter = p1.add(p2)._divideBy(2);
|
|
|
- this._startDist = p1.distanceTo(p2);
|
|
|
-
|
|
|
- this._moved = false;
|
|
|
- this._zooming = true;
|
|
|
-
|
|
|
- this._centerOffset = viewCenter.subtract(this._startCenter);
|
|
|
-
|
|
|
- if (map._panAnim) {
|
|
|
- map._panAnim.stop();
|
|
|
- }
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .on(document, 'touchmove', this._onTouchMove, this)
|
|
|
- .on(document, 'touchend', this._onTouchEnd, this);
|
|
|
-
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- },
|
|
|
-
|
|
|
- _onTouchMove: function (e) {
|
|
|
- var map = this._map;
|
|
|
-
|
|
|
- if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }
|
|
|
-
|
|
|
- var p1 = map.mouseEventToLayerPoint(e.touches[0]),
|
|
|
- p2 = map.mouseEventToLayerPoint(e.touches[1]);
|
|
|
-
|
|
|
- this._scale = p1.distanceTo(p2) / this._startDist;
|
|
|
- this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);
|
|
|
-
|
|
|
- if (this._scale === 1) { return; }
|
|
|
-
|
|
|
- if (!this._moved) {
|
|
|
- L.DomUtil.addClass(map._mapPane, 'leaflet-touching');
|
|
|
-
|
|
|
- map
|
|
|
- .fire('movestart')
|
|
|
- .fire('zoomstart');
|
|
|
-
|
|
|
- this._moved = true;
|
|
|
- }
|
|
|
-
|
|
|
- L.Util.cancelAnimFrame(this._animRequest);
|
|
|
- this._animRequest = L.Util.requestAnimFrame(
|
|
|
- this._updateOnMove, this, true, this._map._container);
|
|
|
-
|
|
|
- L.DomEvent.preventDefault(e);
|
|
|
- },
|
|
|
-
|
|
|
- _updateOnMove: function () {
|
|
|
- var map = this._map,
|
|
|
- origin = this._getScaleOrigin(),
|
|
|
- center = map.layerPointToLatLng(origin),
|
|
|
- zoom = map.getScaleZoom(this._scale);
|
|
|
-
|
|
|
- map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta);
|
|
|
- },
|
|
|
-
|
|
|
- _onTouchEnd: function () {
|
|
|
- if (!this._moved || !this._zooming) {
|
|
|
- this._zooming = false;
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- var map = this._map;
|
|
|
-
|
|
|
- this._zooming = false;
|
|
|
- L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
|
|
|
- L.Util.cancelAnimFrame(this._animRequest);
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .off(document, 'touchmove', this._onTouchMove)
|
|
|
- .off(document, 'touchend', this._onTouchEnd);
|
|
|
-
|
|
|
- var origin = this._getScaleOrigin(),
|
|
|
- center = map.layerPointToLatLng(origin),
|
|
|
-
|
|
|
- oldZoom = map.getZoom(),
|
|
|
- floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom,
|
|
|
- roundZoomDelta = (floatZoomDelta > 0 ?
|
|
|
- Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
|
|
|
-
|
|
|
- zoom = map._limitZoom(oldZoom + roundZoomDelta),
|
|
|
- scale = map.getZoomScale(zoom) / this._scale;
|
|
|
-
|
|
|
- map._animateZoom(center, zoom, origin, scale);
|
|
|
- },
|
|
|
-
|
|
|
- _getScaleOrigin: function () {
|
|
|
- var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale);
|
|
|
- return this._startCenter.add(centerOffset);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map
|
|
|
- * (zoom to a selected bounding box), enabled by default.
|
|
|
- */
|
|
|
-
|
|
|
-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);
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseDown: function (e) {
|
|
|
- if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
|
|
|
-
|
|
|
- L.DomUtil.disableTextSelection();
|
|
|
-
|
|
|
- this._startLayerPoint = this._map.mouseEventToLayerPoint(e);
|
|
|
-
|
|
|
- this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane);
|
|
|
- L.DomUtil.setPosition(this._box, this._startLayerPoint);
|
|
|
-
|
|
|
- //TODO refactor: move cursor to styles
|
|
|
- this._container.style.cursor = 'crosshair';
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .on(document, 'mousemove', this._onMouseMove, this)
|
|
|
- .on(document, 'mouseup', this._onMouseUp, this)
|
|
|
- .on(document, 'keydown', this._onKeyDown, this)
|
|
|
- .preventDefault(e);
|
|
|
-
|
|
|
- this._map.fire('boxzoomstart');
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseMove: function (e) {
|
|
|
- var startPoint = this._startLayerPoint,
|
|
|
- box = this._box,
|
|
|
-
|
|
|
- layerPoint = this._map.mouseEventToLayerPoint(e),
|
|
|
- offset = layerPoint.subtract(startPoint),
|
|
|
-
|
|
|
- newPos = new L.Point(
|
|
|
- Math.min(layerPoint.x, startPoint.x),
|
|
|
- Math.min(layerPoint.y, startPoint.y));
|
|
|
-
|
|
|
- L.DomUtil.setPosition(box, newPos);
|
|
|
-
|
|
|
- // TODO refactor: remove hardcoded 4 pixels
|
|
|
- box.style.width = (Math.max(0, Math.abs(offset.x) - 4)) + 'px';
|
|
|
- box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
|
|
|
- },
|
|
|
-
|
|
|
- _finish: function () {
|
|
|
- this._pane.removeChild(this._box);
|
|
|
- this._container.style.cursor = '';
|
|
|
-
|
|
|
- L.DomUtil.enableTextSelection();
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .off(document, 'mousemove', this._onMouseMove)
|
|
|
- .off(document, 'mouseup', this._onMouseUp)
|
|
|
- .off(document, 'keydown', this._onKeyDown);
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseUp: function (e) {
|
|
|
-
|
|
|
- this._finish();
|
|
|
-
|
|
|
- var map = this._map,
|
|
|
- layerPoint = map.mouseEventToLayerPoint(e);
|
|
|
-
|
|
|
- if (this._startLayerPoint.equals(layerPoint)) { return; }
|
|
|
-
|
|
|
- var bounds = new L.LatLngBounds(
|
|
|
- map.layerPointToLatLng(this._startLayerPoint),
|
|
|
- map.layerPointToLatLng(layerPoint));
|
|
|
-
|
|
|
- map.fitBounds(bounds);
|
|
|
-
|
|
|
- map.fire('boxzoomend', {
|
|
|
- boxZoomBounds: bounds
|
|
|
- });
|
|
|
- },
|
|
|
-
|
|
|
- _onKeyDown: function (e) {
|
|
|
- if (e.keyCode === 27) {
|
|
|
- this._finish();
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- keyboard: true,
|
|
|
- keyboardPanOffset: 80,
|
|
|
- keyboardZoomOffset: 1
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.Keyboard = L.Handler.extend({
|
|
|
-
|
|
|
- keyCodes: {
|
|
|
- left: [37],
|
|
|
- right: [39],
|
|
|
- down: [40],
|
|
|
- up: [38],
|
|
|
- zoomIn: [187, 107, 61],
|
|
|
- zoomOut: [189, 109, 173]
|
|
|
- },
|
|
|
-
|
|
|
- initialize: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- this._setPanOffset(map.options.keyboardPanOffset);
|
|
|
- this._setZoomOffset(map.options.keyboardZoomOffset);
|
|
|
- },
|
|
|
-
|
|
|
- addHooks: function () {
|
|
|
- var container = this._map._container;
|
|
|
-
|
|
|
- // make the container focusable by tabbing
|
|
|
- if (container.tabIndex === -1) {
|
|
|
- container.tabIndex = '0';
|
|
|
- }
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .on(container, 'focus', this._onFocus, this)
|
|
|
- .on(container, 'blur', this._onBlur, this)
|
|
|
- .on(container, 'mousedown', this._onMouseDown, this);
|
|
|
-
|
|
|
- this._map
|
|
|
- .on('focus', this._addHooks, this)
|
|
|
- .on('blur', this._removeHooks, this);
|
|
|
- },
|
|
|
-
|
|
|
- removeHooks: function () {
|
|
|
- this._removeHooks();
|
|
|
-
|
|
|
- var container = this._map._container;
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .off(container, 'focus', this._onFocus, this)
|
|
|
- .off(container, 'blur', this._onBlur, this)
|
|
|
- .off(container, 'mousedown', this._onMouseDown, this);
|
|
|
-
|
|
|
- this._map
|
|
|
- .off('focus', this._addHooks, this)
|
|
|
- .off('blur', this._removeHooks, this);
|
|
|
- },
|
|
|
-
|
|
|
- _onMouseDown: function () {
|
|
|
- if (this._focused) { return; }
|
|
|
-
|
|
|
- var body = document.body,
|
|
|
- docEl = document.documentElement,
|
|
|
- top = body.scrollTop || docEl.scrollTop,
|
|
|
- left = body.scrollTop || 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');
|
|
|
- },
|
|
|
-
|
|
|
- _setPanOffset: function (pan) {
|
|
|
- var keys = this._panKeys = {},
|
|
|
- codes = this.keyCodes,
|
|
|
- i, len;
|
|
|
-
|
|
|
- for (i = 0, len = codes.left.length; i < len; i++) {
|
|
|
- keys[codes.left[i]] = [-1 * pan, 0];
|
|
|
- }
|
|
|
- for (i = 0, len = codes.right.length; i < len; i++) {
|
|
|
- keys[codes.right[i]] = [pan, 0];
|
|
|
- }
|
|
|
- for (i = 0, len = codes.down.length; i < len; i++) {
|
|
|
- keys[codes.down[i]] = [0, pan];
|
|
|
- }
|
|
|
- for (i = 0, len = codes.up.length; i < len; i++) {
|
|
|
- keys[codes.up[i]] = [0, -1 * pan];
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _setZoomOffset: function (zoom) {
|
|
|
- var keys = this._zoomKeys = {},
|
|
|
- codes = this.keyCodes,
|
|
|
- i, len;
|
|
|
-
|
|
|
- for (i = 0, len = codes.zoomIn.length; i < len; i++) {
|
|
|
- keys[codes.zoomIn[i]] = zoom;
|
|
|
- }
|
|
|
- for (i = 0, len = codes.zoomOut.length; i < len; i++) {
|
|
|
- keys[codes.zoomOut[i]] = -zoom;
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _addHooks: function () {
|
|
|
- L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
|
|
|
- },
|
|
|
-
|
|
|
- _removeHooks: function () {
|
|
|
- L.DomEvent.off(document, 'keydown', this._onKeyDown, this);
|
|
|
- },
|
|
|
-
|
|
|
- _onKeyDown: function (e) {
|
|
|
- var key = e.keyCode,
|
|
|
- map = this._map;
|
|
|
-
|
|
|
- if (key in this._panKeys) {
|
|
|
- map.panBy(this._panKeys[key]);
|
|
|
-
|
|
|
- if (map.options.maxBounds) {
|
|
|
- map.panInsideBounds(map.options.maxBounds);
|
|
|
- }
|
|
|
-
|
|
|
- } else if (key in this._zoomKeys) {
|
|
|
- map.setZoom(map.getZoom() + this._zoomKeys[key]);
|
|
|
-
|
|
|
- } else {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- L.DomEvent.stop(e);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable.
|
|
|
- */
|
|
|
-
|
|
|
-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);
|
|
|
- }
|
|
|
-
|
|
|
- this._draggable
|
|
|
- .on('dragstart', this._onDragStart, this)
|
|
|
- .on('drag', this._onDrag, this)
|
|
|
- .on('dragend', this._onDragEnd, this);
|
|
|
- this._draggable.enable();
|
|
|
- },
|
|
|
-
|
|
|
- removeHooks: function () {
|
|
|
- this._draggable
|
|
|
- .off('dragstart', this._onDragStart)
|
|
|
- .off('drag', this._onDrag)
|
|
|
- .off('dragend', this._onDragEnd);
|
|
|
-
|
|
|
- this._draggable.disable();
|
|
|
- },
|
|
|
-
|
|
|
- moved: function () {
|
|
|
- return this._draggable && this._draggable._moved;
|
|
|
- },
|
|
|
-
|
|
|
- _onDragStart: function () {
|
|
|
- this._marker
|
|
|
- .closePopup()
|
|
|
- .fire('movestart')
|
|
|
- .fire('dragstart');
|
|
|
- },
|
|
|
-
|
|
|
- _onDrag: function () {
|
|
|
- var marker = this._marker,
|
|
|
- shadow = marker._shadow,
|
|
|
- iconPos = L.DomUtil.getPosition(marker._icon),
|
|
|
- latlng = marker._map.layerPointToLatLng(iconPos);
|
|
|
-
|
|
|
- // update shadow position
|
|
|
- if (shadow) {
|
|
|
- L.DomUtil.setPosition(shadow, iconPos);
|
|
|
- }
|
|
|
-
|
|
|
- marker._latlng = latlng;
|
|
|
-
|
|
|
- marker
|
|
|
- .fire('move', {latlng: latlng})
|
|
|
- .fire('drag');
|
|
|
- },
|
|
|
-
|
|
|
- _onDragEnd: function () {
|
|
|
- this._marker
|
|
|
- .fire('moveend')
|
|
|
- .fire('dragend');
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Control is a base class for implementing map controls. Handles positioning.
|
|
|
- * All other controls extend from this class.
|
|
|
- */
|
|
|
-
|
|
|
-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._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;
|
|
|
- },
|
|
|
-
|
|
|
- removeFrom: function (map) {
|
|
|
- var pos = this.getPosition(),
|
|
|
- corner = map._controlCorners[pos];
|
|
|
-
|
|
|
- corner.removeChild(this._container);
|
|
|
- this._map = null;
|
|
|
-
|
|
|
- if (this.onRemove) {
|
|
|
- this.onRemove(map);
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.control = function (options) {
|
|
|
- return new L.Control(options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-// adds control-related methods to L.Map
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
- addControl: function (control) {
|
|
|
- control.addTo(this);
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeControl: function (control) {
|
|
|
- control.removeFrom(this);
|
|
|
- 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 () {
|
|
|
- this._container.removeChild(this._controlContainer);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Control.Zoom is used for the default zoom buttons on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Control.Zoom = L.Control.extend({
|
|
|
- options: {
|
|
|
- position: 'topleft'
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- var zoomName = 'leaflet-control-zoom',
|
|
|
- container = L.DomUtil.create('div', zoomName + ' leaflet-bar');
|
|
|
-
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- this._zoomInButton = this._createButton(
|
|
|
- '+', 'Zoom in', zoomName + '-in', container, this._zoomIn, this);
|
|
|
- this._zoomOutButton = this._createButton(
|
|
|
- '-', 'Zoom out', zoomName + '-out', container, this._zoomOut, this);
|
|
|
-
|
|
|
- map.on('zoomend zoomlevelschange', this._updateDisabled, this);
|
|
|
-
|
|
|
- return container;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map.off('zoomend zoomlevelschange', this._updateDisabled, this);
|
|
|
- },
|
|
|
-
|
|
|
- _zoomIn: function (e) {
|
|
|
- this._map.zoomIn(e.shiftKey ? 3 : 1);
|
|
|
- },
|
|
|
-
|
|
|
- _zoomOut: function (e) {
|
|
|
- this._map.zoomOut(e.shiftKey ? 3 : 1);
|
|
|
- },
|
|
|
-
|
|
|
- _createButton: function (html, title, className, container, fn, context) {
|
|
|
- var link = L.DomUtil.create('a', className, container);
|
|
|
- link.innerHTML = html;
|
|
|
- link.href = '#';
|
|
|
- link.title = title;
|
|
|
-
|
|
|
- var stop = L.DomEvent.stopPropagation;
|
|
|
-
|
|
|
- L.DomEvent
|
|
|
- .on(link, 'click', stop)
|
|
|
- .on(link, 'mousedown', stop)
|
|
|
- .on(link, 'dblclick', stop)
|
|
|
- .on(link, 'click', L.DomEvent.preventDefault)
|
|
|
- .on(link, 'click', fn, context);
|
|
|
-
|
|
|
- return link;
|
|
|
- },
|
|
|
-
|
|
|
- _updateDisabled: function () {
|
|
|
- var map = this._map,
|
|
|
- className = 'leaflet-disabled';
|
|
|
-
|
|
|
- L.DomUtil.removeClass(this._zoomInButton, className);
|
|
|
- L.DomUtil.removeClass(this._zoomOutButton, className);
|
|
|
-
|
|
|
- if (map._zoom === map.getMinZoom()) {
|
|
|
- L.DomUtil.addClass(this._zoomOutButton, className);
|
|
|
- }
|
|
|
- if (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 is used for displaying attribution on the map (added by default).
|
|
|
- */
|
|
|
-
|
|
|
-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) {
|
|
|
- this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
|
|
|
- L.DomEvent.disableClickPropagation(this._container);
|
|
|
-
|
|
|
- map
|
|
|
- .on('layeradd', this._onLayerAdd, this)
|
|
|
- .on('layerremove', this._onLayerRemove, this);
|
|
|
-
|
|
|
- this._update();
|
|
|
-
|
|
|
- return this._container;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map
|
|
|
- .off('layeradd', this._onLayerAdd)
|
|
|
- .off('layerremove', this._onLayerRemove);
|
|
|
-
|
|
|
- },
|
|
|
-
|
|
|
- setPrefix: function (prefix) {
|
|
|
- this.options.prefix = prefix;
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addAttribution: function (text) {
|
|
|
- if (!text) { return; }
|
|
|
-
|
|
|
- if (!this._attributions[text]) {
|
|
|
- this._attributions[text] = 0;
|
|
|
- }
|
|
|
- this._attributions[text]++;
|
|
|
-
|
|
|
- this._update();
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeAttribution: function (text) {
|
|
|
- if (!text) { return; }
|
|
|
-
|
|
|
- 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(' | ');
|
|
|
- },
|
|
|
-
|
|
|
- _onLayerAdd: function (e) {
|
|
|
- if (e.layer.getAttribution) {
|
|
|
- this.addAttribution(e.layer.getAttribution());
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _onLayerRemove: function (e) {
|
|
|
- if (e.layer.getAttribution) {
|
|
|
- this.removeAttribution(e.layer.getAttribution());
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- attributionControl: true
|
|
|
-});
|
|
|
-
|
|
|
-L.Map.addInitHook(function () {
|
|
|
- if (this.options.attributionControl) {
|
|
|
- this.attributionControl = (new L.Control.Attribution()).addTo(this);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.control.attribution = function (options) {
|
|
|
- return new L.Control.Attribution(options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.Control.Scale is used for displaying metric/imperial scale on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Control.Scale = L.Control.extend({
|
|
|
- options: {
|
|
|
- position: 'bottomleft',
|
|
|
- maxWidth: 100,
|
|
|
- metric: true,
|
|
|
- imperial: true,
|
|
|
- updateWhenIdle: false
|
|
|
- },
|
|
|
-
|
|
|
- onAdd: function (map) {
|
|
|
- this._map = map;
|
|
|
-
|
|
|
- var className = 'leaflet-control-scale',
|
|
|
- container = L.DomUtil.create('div', className),
|
|
|
- options = this.options;
|
|
|
-
|
|
|
- this._addScales(options, className, 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 + '-line', container);
|
|
|
- }
|
|
|
- if (options.imperial) {
|
|
|
- this._iScale = L.DomUtil.create('div', className + '-line', container);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _update: function () {
|
|
|
- var bounds = this._map.getBounds(),
|
|
|
- centerLat = bounds.getCenter().lat,
|
|
|
- halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
|
|
|
- dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180,
|
|
|
-
|
|
|
- size = this._map.getSize(),
|
|
|
- options = this.options,
|
|
|
- maxMeters = 0;
|
|
|
-
|
|
|
- if (size.x > 0) {
|
|
|
- maxMeters = dist * (options.maxWidth / size.x);
|
|
|
- }
|
|
|
-
|
|
|
- this._updateScales(options, maxMeters);
|
|
|
- },
|
|
|
-
|
|
|
- _updateScales: function (options, maxMeters) {
|
|
|
- if (options.metric && maxMeters) {
|
|
|
- this._updateMetric(maxMeters);
|
|
|
- }
|
|
|
-
|
|
|
- if (options.imperial && maxMeters) {
|
|
|
- this._updateImperial(maxMeters);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _updateMetric: function (maxMeters) {
|
|
|
- var meters = this._getRoundNum(maxMeters);
|
|
|
-
|
|
|
- this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px';
|
|
|
- this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
|
|
|
- },
|
|
|
-
|
|
|
- _updateImperial: function (maxMeters) {
|
|
|
- var maxFeet = maxMeters * 3.2808399,
|
|
|
- scale = this._iScale,
|
|
|
- maxMiles, miles, feet;
|
|
|
-
|
|
|
- if (maxFeet > 5280) {
|
|
|
- maxMiles = maxFeet / 5280;
|
|
|
- miles = this._getRoundNum(maxMiles);
|
|
|
-
|
|
|
- scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px';
|
|
|
- scale.innerHTML = miles + ' mi';
|
|
|
-
|
|
|
- } else {
|
|
|
- feet = this._getRoundNum(maxFeet);
|
|
|
-
|
|
|
- scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px';
|
|
|
- scale.innerHTML = feet + ' ft';
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _getScaleWidth: function (ratio) {
|
|
|
- return Math.round(this.options.maxWidth * ratio) - 10;
|
|
|
- },
|
|
|
-
|
|
|
- _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 is a control to allow users to switch between different layers on the map.
|
|
|
- */
|
|
|
-
|
|
|
-L.Control.Layers = L.Control.extend({
|
|
|
- options: {
|
|
|
- collapsed: true,
|
|
|
- position: 'topright',
|
|
|
- autoZIndex: true
|
|
|
- },
|
|
|
-
|
|
|
- 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();
|
|
|
-
|
|
|
- map
|
|
|
- .on('layeradd', this._onLayerChange, this)
|
|
|
- .on('layerremove', this._onLayerChange, this);
|
|
|
-
|
|
|
- return this._container;
|
|
|
- },
|
|
|
-
|
|
|
- onRemove: function (map) {
|
|
|
- map
|
|
|
- .off('layeradd', this._onLayerChange)
|
|
|
- .off('layerremove', this._onLayerChange);
|
|
|
- },
|
|
|
-
|
|
|
- addBaseLayer: function (layer, name) {
|
|
|
- this._addLayer(layer, name);
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- addOverlay: function (layer, name) {
|
|
|
- this._addLayer(layer, name, true);
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- removeLayer: function (layer) {
|
|
|
- var id = L.stamp(layer);
|
|
|
- delete this._layers[id];
|
|
|
- this._update();
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _initLayout: function () {
|
|
|
- var className = 'leaflet-control-layers',
|
|
|
- container = this._container = L.DomUtil.create('div', className);
|
|
|
-
|
|
|
- //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released
|
|
|
- container.setAttribute('aria-haspopup', true);
|
|
|
-
|
|
|
- if (!L.Browser.touch) {
|
|
|
- L.DomEvent.disableClickPropagation(container);
|
|
|
- L.DomEvent.on(container, 'mousewheel', L.DomEvent.stopPropagation);
|
|
|
- } else {
|
|
|
- L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
|
|
|
- }
|
|
|
-
|
|
|
- var form = this._form = L.DomUtil.create('form', className + '-list');
|
|
|
-
|
|
|
- if (this.options.collapsed) {
|
|
|
- L.DomEvent
|
|
|
- .on(container, 'mouseover', this._expand, this)
|
|
|
- .on(container, 'mouseout', 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.stopPropagation)
|
|
|
- .on(link, 'click', L.DomEvent.preventDefault)
|
|
|
- .on(link, 'click', this._expand, this);
|
|
|
- }
|
|
|
- else {
|
|
|
- L.DomEvent.on(link, 'focus', this._expand, this);
|
|
|
- }
|
|
|
-
|
|
|
- this._map.on('movestart', this._collapse, this);
|
|
|
- // TODO keyboard accessibility
|
|
|
- } else {
|
|
|
- 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);
|
|
|
- },
|
|
|
-
|
|
|
- _addLayer: function (layer, name, overlay) {
|
|
|
- var id = L.stamp(layer);
|
|
|
-
|
|
|
- this._layers[id] = {
|
|
|
- layer: layer,
|
|
|
- name: name,
|
|
|
- overlay: overlay
|
|
|
- };
|
|
|
-
|
|
|
- if (this.options.autoZIndex && layer.setZIndex) {
|
|
|
- this._lastZIndex++;
|
|
|
- layer.setZIndex(this._lastZIndex);
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _update: function () {
|
|
|
- if (!this._container) {
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- this._baseLayersList.innerHTML = '';
|
|
|
- this._overlaysList.innerHTML = '';
|
|
|
-
|
|
|
- var baseLayersPresent = false,
|
|
|
- overlaysPresent = false,
|
|
|
- i, obj;
|
|
|
-
|
|
|
- for (i in this._layers) {
|
|
|
- obj = this._layers[i];
|
|
|
- this._addItem(obj);
|
|
|
- overlaysPresent = overlaysPresent || obj.overlay;
|
|
|
- baseLayersPresent = baseLayersPresent || !obj.overlay;
|
|
|
- }
|
|
|
-
|
|
|
- this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
|
|
|
- },
|
|
|
-
|
|
|
- _onLayerChange: function (e) {
|
|
|
- var id = L.stamp(e.layer);
|
|
|
-
|
|
|
- if (this._layers[id] && !this._handlingClick) {
|
|
|
- this._update();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
|
|
|
- _createRadioElement: function (name, checked) {
|
|
|
-
|
|
|
- var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' + name + '"';
|
|
|
- if (checked) {
|
|
|
- radioHtml += ' checked="checked"';
|
|
|
- }
|
|
|
- radioHtml += '/>';
|
|
|
-
|
|
|
- var radioFragment = document.createElement('div');
|
|
|
- radioFragment.innerHTML = radioHtml;
|
|
|
-
|
|
|
- return radioFragment.firstChild;
|
|
|
- },
|
|
|
-
|
|
|
- _addItem: function (obj) {
|
|
|
- var label = document.createElement('label'),
|
|
|
- input,
|
|
|
- checked = this._map.hasLayer(obj.layer);
|
|
|
-
|
|
|
- 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;
|
|
|
-
|
|
|
- label.appendChild(input);
|
|
|
- label.appendChild(name);
|
|
|
-
|
|
|
- var container = obj.overlay ? this._overlaysList : this._baseLayersList;
|
|
|
- container.appendChild(label);
|
|
|
-
|
|
|
- return label;
|
|
|
- },
|
|
|
-
|
|
|
- _onInputClick: function () {
|
|
|
- var i, input, obj,
|
|
|
- inputs = this._form.getElementsByTagName('input'),
|
|
|
- inputsLen = inputs.length,
|
|
|
- baseLayer;
|
|
|
-
|
|
|
- this._handlingClick = true;
|
|
|
-
|
|
|
- for (i = 0; i < inputsLen; i++) {
|
|
|
- input = inputs[i];
|
|
|
- obj = this._layers[input.layerId];
|
|
|
-
|
|
|
- if (input.checked && !this._map.hasLayer(obj.layer)) {
|
|
|
- this._map.addLayer(obj.layer);
|
|
|
- if (!obj.overlay) {
|
|
|
- baseLayer = obj.layer;
|
|
|
- } else {
|
|
|
- this._map.fire('overlayadd', {layer: obj});
|
|
|
- }
|
|
|
- } else if (!input.checked && this._map.hasLayer(obj.layer)) {
|
|
|
- this._map.removeLayer(obj.layer);
|
|
|
- this._map.fire('overlayremove', {layer: obj});
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- if (baseLayer) {
|
|
|
- this._map.setZoom(this._map.getZoom());
|
|
|
- this._map.fire('baselayerchange', {layer: baseLayer});
|
|
|
- }
|
|
|
-
|
|
|
- this._handlingClick = false;
|
|
|
- },
|
|
|
-
|
|
|
- _expand: function () {
|
|
|
- L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
|
|
|
- },
|
|
|
-
|
|
|
- _collapse: function () {
|
|
|
- this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-L.control.layers = function (baseLayers, overlays, options) {
|
|
|
- return new L.Control.Layers(baseLayers, overlays, options);
|
|
|
-};
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.PosAnimation is used by Leaflet internally for pan animations.
|
|
|
- */
|
|
|
-
|
|
|
-L.PosAnimation = L.Class.extend({
|
|
|
- includes: L.Mixin.Events,
|
|
|
-
|
|
|
- run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
|
|
|
- this.stop();
|
|
|
-
|
|
|
- this._el = el;
|
|
|
- this._inProgress = true;
|
|
|
- this._newPos = newPos;
|
|
|
-
|
|
|
- this.fire('start');
|
|
|
-
|
|
|
- el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) +
|
|
|
- 's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';
|
|
|
-
|
|
|
- L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
|
|
|
- L.DomUtil.setPosition(el, newPos);
|
|
|
-
|
|
|
- // toggle reflow, Chrome flickers for some reason if you don't do this
|
|
|
- L.Util.falseFn(el.offsetWidth);
|
|
|
-
|
|
|
- // there's no native way to track value updates of transitioned properties, so we imitate this
|
|
|
- this._stepTimer = setInterval(L.bind(this._onStep, this), 50);
|
|
|
- },
|
|
|
-
|
|
|
- stop: function () {
|
|
|
- if (!this._inProgress) { return; }
|
|
|
-
|
|
|
- // if we just removed the transition property, the element would jump to its final position,
|
|
|
- // so we need to make it stay at the current position
|
|
|
-
|
|
|
- L.DomUtil.setPosition(this._el, this._getPos());
|
|
|
- this._onTransitionEnd();
|
|
|
- L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
|
|
|
- },
|
|
|
-
|
|
|
- _onStep: function () {
|
|
|
- // jshint camelcase: false
|
|
|
- // make L.DomUtil.getPosition return intermediate position value during animation
|
|
|
- this._el._leaflet_pos = this._getPos();
|
|
|
-
|
|
|
- this.fire('step');
|
|
|
- },
|
|
|
-
|
|
|
- // you can't easily get intermediate values of properties animated with CSS3 Transitions,
|
|
|
- // we need to parse computed style (in case of transform it returns matrix string)
|
|
|
-
|
|
|
- _transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,
|
|
|
-
|
|
|
- _getPos: function () {
|
|
|
- var left, top, matches,
|
|
|
- el = this._el,
|
|
|
- style = window.getComputedStyle(el);
|
|
|
-
|
|
|
- if (L.Browser.any3d) {
|
|
|
- matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
|
|
|
- left = parseFloat(matches[1]);
|
|
|
- top = parseFloat(matches[2]);
|
|
|
- } else {
|
|
|
- left = parseFloat(style.left);
|
|
|
- top = parseFloat(style.top);
|
|
|
- }
|
|
|
-
|
|
|
- return new L.Point(left, top, true);
|
|
|
- },
|
|
|
-
|
|
|
- _onTransitionEnd: function () {
|
|
|
- L.DomEvent.off(this._el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
|
|
|
-
|
|
|
- if (!this._inProgress) { return; }
|
|
|
- this._inProgress = false;
|
|
|
-
|
|
|
- this._el.style[L.DomUtil.TRANSITION] = '';
|
|
|
-
|
|
|
- // jshint camelcase: false
|
|
|
- // make sure L.DomUtil.getPosition returns the final position value after animation
|
|
|
- this._el._leaflet_pos = this._newPos;
|
|
|
-
|
|
|
- clearInterval(this._stepTimer);
|
|
|
-
|
|
|
- this.fire('step').fire('end');
|
|
|
- }
|
|
|
-
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Map to handle panning animations.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
-
|
|
|
- setView: function (center, zoom, options) {
|
|
|
-
|
|
|
- zoom = this._limitZoom(zoom);
|
|
|
- center = L.latLng(center);
|
|
|
- options = options || {};
|
|
|
-
|
|
|
- if (this._panAnim) {
|
|
|
- this._panAnim.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}, options.pan);
|
|
|
- }
|
|
|
-
|
|
|
- // try animating pan or zoom
|
|
|
- var animated = (this._zoom !== zoom) ?
|
|
|
- this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
|
|
|
- this._tryAnimatedPan(center, options.pan);
|
|
|
-
|
|
|
- if (animated) {
|
|
|
- // prevent resize handler call, the view will refresh after animation anyway
|
|
|
- clearTimeout(this._sizeTimer);
|
|
|
- return this;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- // animation didn't start, just reset the map view
|
|
|
- this._resetView(center, zoom);
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- panBy: function (offset, options) {
|
|
|
- offset = L.point(offset).round();
|
|
|
- options = options || {};
|
|
|
-
|
|
|
- if (!offset.x && !offset.y) {
|
|
|
- return this;
|
|
|
- }
|
|
|
-
|
|
|
- if (!this._panAnim) {
|
|
|
- this._panAnim = new L.PosAnimation();
|
|
|
-
|
|
|
- this._panAnim.on({
|
|
|
- 'step': this._onPanTransitionStep,
|
|
|
- 'end': this._onPanTransitionEnd
|
|
|
- }, this);
|
|
|
- }
|
|
|
-
|
|
|
- // don't fire movestart if animating inertia
|
|
|
- if (!options.noMoveStart) {
|
|
|
- this.fire('movestart');
|
|
|
- }
|
|
|
-
|
|
|
- // animate pan unless animate: false specified
|
|
|
- if (options.animate !== false) {
|
|
|
- L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
|
|
|
-
|
|
|
- var newPos = this._getMapPanePos().subtract(offset);
|
|
|
- this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
|
|
|
- } else {
|
|
|
- this._rawPanBy(offset);
|
|
|
- this.fire('move').fire('moveend');
|
|
|
- }
|
|
|
-
|
|
|
- return this;
|
|
|
- },
|
|
|
-
|
|
|
- _onPanTransitionStep: function () {
|
|
|
- this.fire('move');
|
|
|
- },
|
|
|
-
|
|
|
- _onPanTransitionEnd: function () {
|
|
|
- L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
|
|
|
- this.fire('moveend');
|
|
|
- },
|
|
|
-
|
|
|
- _tryAnimatedPan: function (center, options) {
|
|
|
- // difference between the new and current centers in pixels
|
|
|
- var offset = this._getCenterOffset(center)._floor();
|
|
|
-
|
|
|
- // don't animate too far unless animate: true specified in options
|
|
|
- if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }
|
|
|
-
|
|
|
- this.panBy(offset, options);
|
|
|
-
|
|
|
- return true;
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * L.PosAnimation fallback implementation that powers Leaflet pan animations
|
|
|
- * in browsers that don't support CSS3 Transitions.
|
|
|
- */
|
|
|
-
|
|
|
-L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({
|
|
|
-
|
|
|
- run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
|
|
|
- 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();
|
|
|
- this._complete();
|
|
|
- },
|
|
|
-
|
|
|
- _animate: function () {
|
|
|
- // animation loop
|
|
|
- this._animId = L.Util.requestAnimFrame(this._animate, this);
|
|
|
- this._step();
|
|
|
- },
|
|
|
-
|
|
|
- _step: function () {
|
|
|
- var elapsed = (+new Date()) - this._startTime,
|
|
|
- duration = this._duration * 1000;
|
|
|
-
|
|
|
- if (elapsed < duration) {
|
|
|
- this._runFrame(this._easeOut(elapsed / duration));
|
|
|
- } else {
|
|
|
- this._runFrame(1);
|
|
|
- this._complete();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _runFrame: function (progress) {
|
|
|
- var pos = this._startPos.add(this._offset.multiplyBy(progress));
|
|
|
- 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);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Extends L.Map to handle zoom animations.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.mergeOptions({
|
|
|
- zoomAnimation: true,
|
|
|
- zoomAnimationThreshold: 4
|
|
|
-});
|
|
|
-
|
|
|
-if (L.DomUtil.TRANSITION) {
|
|
|
-
|
|
|
- L.Map.addInitHook(function () {
|
|
|
- // zoom transitions run with the same duration for all layers, so if one of transitionend events
|
|
|
- // happens after starting zoom animation (propagating to the map pane), we know that it ended globally
|
|
|
-
|
|
|
- L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
|
|
|
- });
|
|
|
-}
|
|
|
-
|
|
|
-L.Map.include(!L.DomUtil.TRANSITION ? {} : {
|
|
|
-
|
|
|
- _catchTransitionEnd: function () {
|
|
|
- if (this._animatingZoom) {
|
|
|
- this._onZoomTransitionEnd();
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _tryAnimatedZoom: function (center, zoom, options) {
|
|
|
-
|
|
|
- if (this._animatingZoom) { return true; }
|
|
|
-
|
|
|
- options = options || {};
|
|
|
-
|
|
|
- // don't animate if disabled, not supported or zoom difference is too large
|
|
|
- if (!this.options.zoomAnimation || options.animate === false ||
|
|
|
- !L.DomUtil.TRANSITION || L.Browser.android23 || L.Browser.mobileOpera ||
|
|
|
- Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
|
|
|
-
|
|
|
- // offset is the pixel coords of the zoom origin relative to the current center
|
|
|
- var scale = this.getZoomScale(zoom),
|
|
|
- offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale),
|
|
|
- origin = this._getCenterLayerPoint()._add(offset);
|
|
|
-
|
|
|
- // don't animate if the zoom origin isn't within one screen from the current center, unless forced
|
|
|
- if (options.animate !== true && !this.getSize().contains(offset)) { return false; }
|
|
|
-
|
|
|
- this
|
|
|
- .fire('movestart')
|
|
|
- .fire('zoomstart');
|
|
|
-
|
|
|
- this._animateZoom(center, zoom, origin, scale);
|
|
|
-
|
|
|
- return true;
|
|
|
- },
|
|
|
-
|
|
|
- _animateZoom: function (center, zoom, origin, scale, delta) {
|
|
|
-
|
|
|
- this._animatingZoom = true;
|
|
|
-
|
|
|
- // put transform transition on all layers with leaflet-zoom-animated class
|
|
|
- L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
|
|
|
-
|
|
|
- // remember what center/zoom to set after animation
|
|
|
- this._animateToCenter = center;
|
|
|
- this._animateToZoom = zoom;
|
|
|
-
|
|
|
- // disable any dragging during animation
|
|
|
- if (L.Draggable) {
|
|
|
- L.Draggable._disabled = true;
|
|
|
- }
|
|
|
-
|
|
|
- this.fire('zoomanim', {
|
|
|
- center: center,
|
|
|
- zoom: zoom,
|
|
|
- origin: origin,
|
|
|
- scale: scale,
|
|
|
- delta: delta
|
|
|
- });
|
|
|
- },
|
|
|
-
|
|
|
- _onZoomTransitionEnd: function () {
|
|
|
-
|
|
|
- this._animatingZoom = false;
|
|
|
-
|
|
|
- L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
|
|
|
-
|
|
|
- this._resetView(this._animateToCenter, this._animateToZoom, true, true);
|
|
|
-
|
|
|
- if (L.Draggable) {
|
|
|
- L.Draggable._disabled = false;
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- Zoom animation logic for L.TileLayer.
|
|
|
-*/
|
|
|
-
|
|
|
-L.TileLayer.include({
|
|
|
- _animateZoom: function (e) {
|
|
|
- var firstFrame = false;
|
|
|
-
|
|
|
- if (!this._animating) {
|
|
|
- this._animating = true;
|
|
|
- firstFrame = true;
|
|
|
- }
|
|
|
-
|
|
|
- if (firstFrame) {
|
|
|
- this._prepareBgBuffer();
|
|
|
- }
|
|
|
-
|
|
|
- var bg = this._bgBuffer;
|
|
|
-
|
|
|
- if (firstFrame) {
|
|
|
- //prevent bg buffer from clearing right after zoom
|
|
|
- clearTimeout(this._clearBgBufferTimer);
|
|
|
-
|
|
|
- // hack to make sure transform is updated before running animation
|
|
|
- L.Util.falseFn(bg.offsetWidth);
|
|
|
- }
|
|
|
-
|
|
|
- var transform = L.DomUtil.TRANSFORM,
|
|
|
- initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform];
|
|
|
-
|
|
|
- bg.style[transform] = initialTransform + ' ' + L.DomUtil.getScaleString(e.scale, e.origin);
|
|
|
- },
|
|
|
-
|
|
|
- _endZoomAnim: function () {
|
|
|
- var front = this._tileContainer,
|
|
|
- bg = this._bgBuffer;
|
|
|
-
|
|
|
- front.style.visibility = '';
|
|
|
- front.style.zIndex = 2;
|
|
|
-
|
|
|
- bg.style.zIndex = 1;
|
|
|
-
|
|
|
- // force reflow
|
|
|
- L.Util.falseFn(bg.offsetWidth);
|
|
|
-
|
|
|
- this._animating = false;
|
|
|
- },
|
|
|
-
|
|
|
- _clearBgBuffer: function () {
|
|
|
- var map = this._map;
|
|
|
-
|
|
|
- if (map && !map._animatingZoom && !map.touchZoom._zooming) {
|
|
|
- this._bgBuffer.innerHTML = '';
|
|
|
- this._bgBuffer.style[L.DomUtil.TRANSFORM] = '';
|
|
|
- }
|
|
|
- },
|
|
|
-
|
|
|
- _prepareBgBuffer: function () {
|
|
|
-
|
|
|
- var front = this._tileContainer,
|
|
|
- bg = this._bgBuffer;
|
|
|
-
|
|
|
- // if foreground layer doesn't have many tiles but bg layer does,
|
|
|
- // keep the existing bg layer and just zoom it some more
|
|
|
-
|
|
|
- var bgLoaded = this._getLoadedTilesPercentage(bg),
|
|
|
- frontLoaded = this._getLoadedTilesPercentage(front);
|
|
|
-
|
|
|
- if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {
|
|
|
-
|
|
|
- front.style.visibility = 'hidden';
|
|
|
- this._stopLoadingImages(front);
|
|
|
- return;
|
|
|
- }
|
|
|
-
|
|
|
- // prepare the buffer to become the front tile pane
|
|
|
- bg.style.visibility = 'hidden';
|
|
|
- bg.style[L.DomUtil.TRANSFORM] = '';
|
|
|
-
|
|
|
- // switch out the current layer to be the new bg layer (and vice-versa)
|
|
|
- this._tileContainer = bg;
|
|
|
- bg = this._bgBuffer = front;
|
|
|
-
|
|
|
- this._stopLoadingImages(bg);
|
|
|
- },
|
|
|
-
|
|
|
- _getLoadedTilesPercentage: function (container) {
|
|
|
- var tiles = container.getElementsByTagName('img'),
|
|
|
- i, len, count = 0;
|
|
|
-
|
|
|
- for (i = 0, len = tiles.length; i < len; i++) {
|
|
|
- if (tiles[i].complete) {
|
|
|
- count++;
|
|
|
- }
|
|
|
- }
|
|
|
- return count / len;
|
|
|
- },
|
|
|
-
|
|
|
- // stops loading all tiles in the background layer
|
|
|
- _stopLoadingImages: function (container) {
|
|
|
- var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')),
|
|
|
- i, len, tile;
|
|
|
-
|
|
|
- for (i = 0, len = tiles.length; i < len; i++) {
|
|
|
- tile = tiles[i];
|
|
|
-
|
|
|
- if (!tile.complete) {
|
|
|
- tile.onload = L.Util.falseFn;
|
|
|
- tile.onerror = L.Util.falseFn;
|
|
|
- tile.src = L.Util.emptyImageUrl;
|
|
|
-
|
|
|
- tile.parentNode.removeChild(tile);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-/*
|
|
|
- * Provides L.Map with convenient shortcuts for using browser geolocation features.
|
|
|
- */
|
|
|
-
|
|
|
-L.Map.include({
|
|
|
- _defaultLocateOptions: {
|
|
|
- watch: false,
|
|
|
- setView: false,
|
|
|
- maxZoom: Infinity,
|
|
|
- timeout: 10000,
|
|
|
- maximumAge: 0,
|
|
|
- enableHighAccuracy: false
|
|
|
- },
|
|
|
-
|
|
|
- locate: function (/*Object*/ options) {
|
|
|
-
|
|
|
- options = this._locateOptions = L.extend(this._defaultLocateOptions, options);
|
|
|
-
|
|
|
- if (!navigator.geolocation) {
|
|
|
- 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(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),
|
|
|
-
|
|
|
- latAccuracy = 180 * pos.coords.accuracy / 40075017,
|
|
|
- lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),
|
|
|
-
|
|
|
- bounds = L.latLngBounds(
|
|
|
- [lat - latAccuracy, lng - lngAccuracy],
|
|
|
- [lat + latAccuracy, lng + lngAccuracy]),
|
|
|
-
|
|
|
- options = this._locateOptions;
|
|
|
-
|
|
|
- if (options.setView) {
|
|
|
- var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
|
|
|
- this.setView(latlng, zoom);
|
|
|
- }
|
|
|
-
|
|
|
- var event = L.extend({
|
|
|
- latlng: latlng,
|
|
|
- bounds: bounds
|
|
|
- }, pos.coords);
|
|
|
-
|
|
|
- this.fire('locationfound', event);
|
|
|
- }
|
|
|
-});
|
|
|
-
|
|
|
-
|
|
|
-}(window, document));
|
Torkel Ödegaard
