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Diffstat (limited to 'resources/leaflet/leaflet-src.js')
| m--------- | resources/leaflet | 0 | ||||
| -rw-r--r-- | resources/leaflet/leaflet-src.js | 8121 |
2 files changed, 0 insertions, 8121 deletions
diff --git a/resources/leaflet b/resources/leaflet new file mode 160000 +Subproject 8d4d347ec942bf3e1bf0b28ce2d697ca2d9dbd3 diff --git a/resources/leaflet/leaflet-src.js b/resources/leaflet/leaflet-src.js deleted file mode 100644 index a952f88..0000000 --- a/resources/leaflet/leaflet-src.js +++ /dev/null @@ -1,8121 +0,0 @@ -/* - Copyright (c) 2010-2012, CloudMade, Vladimir Agafonkin - Leaflet is an open-source JavaScript library for mobile-friendly interactive maps. - http://leafletjs.com -*/ -(function (window, undefined) { - -var L, originalL; - -if (typeof exports !== undefined + '') { - L = exports; -} else { - originalL = window.L; - L = {}; - - L.noConflict = function () { - window.L = originalL; - return this; - }; - - window.L = L; -} - -L.version = '0.5'; - - -/* - * L.Util is a namespace for various utility functions. - */ - -L.Util = { - extend: function (dest) { // (Object[, Object, ...]) -> - var sources = Array.prototype.slice.call(arguments, 1), - i, j, len, src; - - for (j = 0, len = sources.length; j < len; j++) { - src = sources[j] || {}; - for (i in src) { - if (src.hasOwnProperty(i)) { - dest[i] = src[i]; - } - } - } - return dest; - }, - - bind: function (fn, obj) { // (Function, Object) -> Function - var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null; - return function () { - return fn.apply(obj, args || arguments); - }; - }, - - stamp: (function () { - var lastId = 0, key = '_leaflet_id'; - return function (/*Object*/ obj) { - obj[key] = obj[key] || ++lastId; - return obj[key]; - }; - }()), - - limitExecByInterval: function (fn, time, context) { - var lock, execOnUnlock; - - return function wrapperFn() { - var args = arguments; - - if (lock) { - execOnUnlock = true; - return; - } - - lock = true; - - setTimeout(function () { - lock = false; - - if (execOnUnlock) { - wrapperFn.apply(context, args); - execOnUnlock = false; - } - }, time); - - fn.apply(context, args); - }; - }, - - falseFn: function () { - return false; - }, - - formatNum: function (num, digits) { - var pow = Math.pow(10, digits || 5); - return Math.round(num * pow) / pow; - }, - - splitWords: function (str) { - return str.replace(/^\s+|\s+$/g, '').split(/\s+/); - }, - - setOptions: function (obj, options) { - obj.options = L.extend({}, obj.options, options); - return obj.options; - }, - - getParamString: function (obj) { - var params = []; - for (var i in obj) { - if (obj.hasOwnProperty(i)) { - params.push(i + '=' + obj[i]); - } - } - return '?' + params.join('&'); - }, - - template: function (str, data) { - return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) { - var value = data[key]; - if (!data.hasOwnProperty(key)) { - throw new Error('No value provided for variable ' + str); - } - return value; - }); - }, - - emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=' -}; - -(function () { - - // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/ - - function getPrefixed(name) { - var i, fn, - prefixes = ['webkit', 'moz', 'o', 'ms']; - - for (i = 0; i < prefixes.length && !fn; i++) { - fn = window[prefixes[i] + name]; - } - - return fn; - } - - var lastTime = 0; - - function timeoutDefer(fn) { - var time = +new Date(), - timeToCall = Math.max(0, 16 - (time - lastTime)); - - lastTime = time + timeToCall; - return window.setTimeout(fn, timeToCall); - } - - var requestFn = window.requestAnimationFrame || - getPrefixed('RequestAnimationFrame') || timeoutDefer; - - var cancelFn = window.cancelAnimationFrame || - getPrefixed('CancelAnimationFrame') || - getPrefixed('CancelRequestAnimationFrame') || - function (id) { window.clearTimeout(id); }; - - - L.Util.requestAnimFrame = function (fn, context, immediate, element) { - fn = L.bind(fn, context); - - if (immediate && requestFn === timeoutDefer) { - fn(); - } else { - return requestFn.call(window, fn, element); - } - }; - - L.Util.cancelAnimFrame = function (id) { - if (id) { - cancelFn.call(window, id); - } - }; - -}()); - -// shortcuts for most used utility functions -L.extend = L.Util.extend; -L.bind = L.Util.bind; -L.stamp = L.Util.stamp; -L.setOptions = L.Util.setOptions; - - -/* - * Class powers the OOP facilities of the library. Thanks to John Resig and Dean Edwards for inspiration! - */ - -L.Class = function () {}; - -L.Class.extend = function (/*Object*/ props) /*-> Class*/ { - - // extended class with the new prototype - var NewClass = function () { - if (this.initialize) { - this.initialize.apply(this, arguments); - } - }; - - // instantiate class without calling constructor - var F = function () {}; - F.prototype = this.prototype; - - var proto = new F(); - proto.constructor = NewClass; - - NewClass.prototype = proto; - - //inherit parent's statics - for (var i in this) { - if (this.hasOwnProperty(i) && i !== 'prototype') { - NewClass[i] = this[i]; - } - } - - // mix static properties into the class - if (props.statics) { - L.extend(NewClass, props.statics); - delete props.statics; - } - - // mix includes into the prototype - if (props.includes) { - L.Util.extend.apply(null, [proto].concat(props.includes)); - delete props.includes; - } - - // merge options - if (props.options && proto.options) { - props.options = L.extend({}, proto.options, props.options); - } - - // mix given properties into the prototype - L.extend(proto, props); - - return NewClass; -}; - - -// method for adding properties to prototype -L.Class.include = function (props) { - L.extend(this.prototype, props); -}; - -L.Class.mergeOptions = function (options) { - L.extend(this.prototype.options, options); -}; - - -/* - * L.Mixin.Events adds custom events functionality to Leaflet classes - */ - -var key = '_leaflet_events'; - -L.Mixin = {}; - -L.Mixin.Events = { - - addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object]) - var events = this[key] = this[key] || {}, - type, i, len; - - // Types can be a map of types/handlers - if (typeof types === 'object') { - for (type in types) { - if (types.hasOwnProperty(type)) { - this.addEventListener(type, types[type], fn); - } - } - - return this; - } - - types = L.Util.splitWords(types); - - for (i = 0, len = types.length; i < len; i++) { - events[types[i]] = events[types[i]] || []; - events[types[i]].push({ - action: fn, - context: context || this - }); - } - - return this; - }, - - hasEventListeners: function (type) { // (String) -> Boolean - return (key in this) && (type in this[key]) && (this[key][type].length > 0); - }, - - removeEventListener: function (types, fn, context) { // (String[, Function, Object]) or (Object[, Object]) - var events = this[key], - type, i, len, listeners, j; - - if (typeof types === 'object') { - for (type in types) { - if (types.hasOwnProperty(type)) { - this.removeEventListener(type, types[type], fn); - } - } - - return this; - } - - types = L.Util.splitWords(types); - - for (i = 0, len = types.length; i < len; i++) { - - if (this.hasEventListeners(types[i])) { - listeners = events[types[i]]; - - for (j = listeners.length - 1; j >= 0; j--) { - if ( - (!fn || listeners[j].action === fn) && - (!context || (listeners[j].context === context)) - ) { - listeners.splice(j, 1); - } - } - } - } - - return this; - }, - - fireEvent: function (type, data) { // (String[, Object]) - if (!this.hasEventListeners(type)) { - return this; - } - - var event = L.extend({ - type: type, - target: this - }, data); - - var listeners = this[key][type].slice(); - - for (var i = 0, len = listeners.length; i < len; i++) { - listeners[i].action.call(listeners[i].context || this, event); - } - - return this; - } -}; - -L.Mixin.Events.on = L.Mixin.Events.addEventListener; -L.Mixin.Events.off = L.Mixin.Events.removeEventListener; -L.Mixin.Events.fire = L.Mixin.Events.fireEvent; - - -(function () { - - var ie = !!window.ActiveXObject, - // http://tanalin.com/en/articles/ie-version-js/ - ie6 = ie && !window.XMLHttpRequest, - ie7 = ie && !document.querySelector, - - // terrible browser detection to work around Safari / iOS / Android browser bugs - // see TileLayer._addTile and debug/hacks/jitter.html - - ua = navigator.userAgent.toLowerCase(), - webkit = ua.indexOf("webkit") !== -1, - chrome = ua.indexOf("chrome") !== -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("") && 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); - - - var touch = !window.L_NO_TOUCH && (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 = { - ie6: ie6, - ie7: ie7, - 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) { - return point.x === this.x && - point.y === 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 (x instanceof Array) { - return new L.Point(x[0], x[1]); - } - if (isNaN(x)) { - return x; - } - return new L.Point(x, y, round); -}; - - -/* - * L.Bounds represents a rectangular area on the screen in pixel coordinates. - */ - -L.Bounds = L.Class.extend({ - - initialize: 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]); - } - }, - - // 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); - }, - - 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 = L.Class.extend({ - initialize: function (/*Number*/ a, /*Number*/ b, /*Number*/ c, /*Number*/ d) { - this._a = a; - this._b = b; - this._c = c; - this._d = d; - }, - - transform: function (point, scale) { - return this._transform(point.clone(), scale); - }, - - // destructive transform (faster) - _transform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ { - 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*/ point, /*Number*/ scale) /*-> Point*/ { - 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, - pos, - ie7 = L.Browser.ie7; - - do { - top += el.offsetTop || 0; - left += el.offsetLeft || 0; - pos = L.DomUtil.getStyle(el, 'position'); - - if (el.offsetParent === docBody && pos === 'absolute') { break; } - - if (pos === 'fixed') { - top += docBody.scrollTop || 0; - left += docBody.scrollLeft || 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; - 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) { - - function replaceFn(w, match) { - if (match === name) { return ''; } - return w; - } - - el.className = el.className - .replace(/(\S+)\s*/g, replaceFn) - .replace(/(^\s+|\s+$)/, ''); - }, - - 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) {} - - 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]) - - 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 - return el._leaflet_pos; - } -}; - - -// prefix style property names - -L.DomUtil.TRANSFORM = L.DomUtil.testProp( - ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']); - -L.DomUtil.TRANSITION = L.DomUtil.testProp( - ['transition', 'webkitTransition', '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, noWrap) { // (Number, Number[, Boolean]) - var lat = parseFloat(rawLat), - lng = parseFloat(rawLng); - - if (isNaN(lat) || isNaN(lng)) { - throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')'); - } - - if (noWrap !== true) { - lat = Math.max(Math.min(lat, 90), -90); // clamp latitude into -90..90 - lng = (lng + 180) % 360 + ((lng < -180 || lng === 180) ? 180 : -180); // wrap longitude into -180..180 - } - - 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) { // -> 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 - 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)); - } -}; - -L.latLng = function (a, b, c) { // (LatLng) or ([Number, Number]) or (Number, Number, Boolean) - if (a instanceof L.LatLng) { - return a; - } - if (a instanceof Array) { - return new L.LatLng(a[0], a[1]); - } - if (isNaN(a)) { - return a; - } - return new L.LatLng(a, b, c); -}; - - - -/* - * L.LatLngBounds represents a rectangular area on the map in geographical coordinates. - */ - -L.LatLngBounds = L.Class.extend({ - initialize: 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]); - } - }, - - // extend the bounds to contain the given point or bounds - extend: function (obj) { // (LatLng) or (LatLngBounds) - if (typeof obj[0] === 'number' || 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, true); - this._northEast = new L.LatLng(obj.lat, obj.lng, true); - } 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._northEast.lat, this._southWest.lng, true); - }, - - getSouthEast: function () { - return new L.LatLng(this._southWest.lat, this._northEast.lng, true); - }, - - 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 () { - var sw = this._southWest, - ne = this._northEast; - - return [sw.lng, sw.lat, ne.lng, ne.lat].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 = {}; - - - -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; - - // TODO refactor LatLng wrapping - return new L.LatLng(lat, lng, true); - } -}; - - - -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, true); - } -}; - - - -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); - } -}; - - - -L.CRS.Simple = L.extend({}, L.CRS, { - projection: L.Projection.LonLat, - transformation: new L.Transformation(1, 0, 1, 0) -}); - - - -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 = 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._initHooks(); - this._initEvents(); - - if (options.maxBounds) { - this.setMaxBounds(options.maxBounds); - } - - if (options.center && options.zoom !== undefined) { - this.setView(L.latLng(options.center), options.zoom, true); - } - - this._initLayers(options.layers); - }, - - - // 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) { // (Number) - return this.setView(this.getCenter(), zoom); - }, - - zoomIn: function (delta) { - return this.setZoom(this._zoom + (delta || 1)); - }, - - zoomOut: function (delta) { - return this.setZoom(this._zoom - (delta || 1)); - }, - - fitBounds: function (bounds) { // (LatLngBounds) - var zoom = this.getBoundsZoom(bounds); - return this.setView(L.latLngBounds(bounds).getCenter(), zoom); - }, - - fitWorld: function () { - var sw = new L.LatLng(-60, -170), - ne = new L.LatLng(85, 179); - - return this.fitBounds(new L.LatLngBounds(sw, ne)); - }, - - panTo: function (center) { // (LatLng) - return this.setView(center, this._zoom); - }, - - 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; - 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); - } - } - - return this; - }, - - panInsideBounds: function (bounds) { - bounds = L.latLngBounds(bounds); - - var viewBounds = this.getBounds(), - viewSw = this.project(viewBounds.getSouthWest()), - viewNe = this.project(viewBounds.getNorthEast()), - sw = this.project(bounds.getSouthWest()), - ne = this.project(bounds.getNorthEast()), - dx = 0, - dy = 0; - - if (viewNe.y < ne.y) { // north - dy = ne.y - viewNe.y; - } - if (viewNe.x > ne.x) { // east - dx = ne.x - viewNe.x; - } - if (viewSw.y > sw.y) { // south - dy = sw.y - viewSw.y; - } - if (viewSw.x < sw.x) { // west - dx = sw.x - viewSw.x; - } - - return this.panBy(new L.Point(dx, dy, true)); - }, - - 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); - } - - this.whenReady(function () { - layer.onAdd(this); - this.fire('layeradd', {layer: layer}); - }, this); - - return this; - }, - - removeLayer: function (layer) { - var id = L.stamp(layer); - - if (!this._layers[id]) { return; } - - layer.onRemove(this); - - 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.fire('layerremove', {layer: layer}); - }, - - hasLayer: function (layer) { - var id = L.stamp(layer); - return this._layers.hasOwnProperty(id); - }, - - 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 offset = oldSize._subtract(this.getSize())._divideBy(2)._round(); - - 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); - } - return this; - }, - - // TODO handler.addTo - addHandler: function (name, HandlerClass) { - if (!HandlerClass) { return; } - - this[name] = new HandlerClass(this); - - if (this.options[name]) { - this[name].enable(); - } - - return this; - }, - - - // public methods for getting map state - - getCenter: function () { // (Boolean) -> LatLng - 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) { // (LatLngBounds, Boolean) -> Number - bounds = L.latLngBounds(bounds); - - var size = this.getSize(), - zoom = this.options.minZoom || 0, - maxZoom = this.getMaxZoom(), - ne = bounds.getNorthEast(), - sw = bounds.getSouthWest(), - boundsSize, - nePoint, - swPoint, - zoomNotFound = true; - - if (inside) { - zoom--; - } - - do { - zoom++; - nePoint = this.project(ne, zoom); - swPoint = this.project(sw, zoom); - - boundsSize = new L.Point( - Math.abs(nePoint.x - swPoint.x), - Math.abs(swPoint.y - nePoint.y)); - - if (!inside) { - zoomNotFound = boundsSize.x <= size.x && boundsSize.y <= size.y; - } else { - zoomNotFound = 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 () { - 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._initialTopLeftPoint); - return this.unproject(projectedPoint); - }, - - latLngToLayerPoint: function (latlng) { // (LatLng) - var projectedPoint = this.project(L.latLng(latlng))._round(); - return projectedPoint._subtract(this._initialTopLeftPoint); - }, - - 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._leaflet) { - throw new Error("Map container is already initialized."); - } - - container._leaflet = true; - }, - - _initLayout: function () { - var container = this._container; - - container.innerHTML = ''; - L.DomUtil.addClass(container, 'leaflet-container'); - - if (L.Browser.touch) { - L.DomUtil.addClass(container, 'leaflet-touch'); - } - - if (this.options.fadeAnimation) { - L.DomUtil.addClass(container, '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); - }, - - _initializers: [], - - _initHooks: function () { - var i, len; - for (i = 0, len = this._initializers.length; i < len; i++) { - this._initializers[i].call(this); - } - }, - - _initLayers: function (layers) { - layers = layers ? (layers instanceof Array ? 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._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; - - this.fire('viewreset', {hard: !preserveMapOffset}); - - this.fire('move'); - - if (zoomChanged || afterZoomAnim) { - this.fire('zoomend'); - } - - this.fire('moveend', {hard: !preserveMapOffset}); - - if (loading) { - this.fire('load'); - } - }, - - _rawPanBy: function (offset) { - L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset)); - }, - - _updateZoomLevels: function () { - var i, - minZoom = Infinity, - maxZoom = -Infinity; - - for (i in this._zoomBoundLayers) { - if (this._zoomBoundLayers.hasOwnProperty(i)) { - 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; - } - }, - - // map events - - _initEvents: function () { - if (!L.DomEvent) { return; } - - L.DomEvent.on(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.on(this._container, events[i], this._fireMouseEvent, this); - } - - if (this.options.trackResize) { - L.DomEvent.on(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 () { - // TODO super-ugly, refactor!!! - // clear scaled tiles after all new tiles are loaded (for performance) - this._tileLayersToLoad--; - if (this._tileLayersNum && !this._tileLayersToLoad && this._tileBg) { - clearTimeout(this._clearTileBgTimer); - this._clearTileBgTimer = setTimeout(L.bind(this._clearTileBg, this), 500); - } - }, - - whenReady: function (callback, context) { - if (this._loaded) { - callback.call(context || this, this); - } else { - this.on('load', callback, context); - } - return this; - }, - - - // private methods for getting map state - - _getMapPanePos: function () { - return L.DomUtil.getPosition(this._mapPane); - }, - - _getTopLeftPoint: function () { - if (!this._loaded) { - throw new Error('Set map center and zoom first.'); - } - - return this._initialTopLeftPoint.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); - }, - - _getCenterLayerPoint: function () { - return this.containerPointToLayerPoint(this.getSize()._divideBy(2)); - }, - - _getCenterOffset: function (center) { - return this.latLngToLayerPoint(center).subtract(this._getCenterLayerPoint()); - }, - - _limitZoom: function (zoom) { - var min = this.getMinZoom(), - max = this.getMaxZoom(); - - return Math.max(min, Math.min(max, zoom)); - } -}); - -L.Map.addInitHook = function (fn) { - var args = Array.prototype.slice.call(arguments, 1); - - var init = typeof fn === 'function' ? fn : function () { - this[fn].apply(this, args); - }; - - this.prototype._initializers.push(init); -}; - -L.map = function (id, options) { - return new L.Map(id, options); -}; - - - -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, true); - } -}; - - - -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, - */ - 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--; - } - - this._url = url; - - var subdomains = this.options.subdomains; - - if (typeof subdomains === 'string') { - this.options.subdomains = subdomains.split(''); - } - }, - - onAdd: function (map) { - this._map = map; - - // create a container div for tiles - this._initContainer(); - - // create an image to clone for tiles - this._createTileProto(); - - // set up events - map.on({ - 'viewreset': this._resetCallback, - 'moveend': this._update - }, 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._resetCallback, - 'moveend': this._update - }, 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; - }, - - 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._map._panes.tilePane.empty = false; - this._reset(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.getElementsByClassName('leaflet-layer'), - 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 () { - L.DomUtil.setOpacity(this._container, this.options.opacity); - - // stupid webkit hack to force redrawing of tiles - var i, - tiles = this._tiles; - - if (L.Browser.webkit) { - for (i in tiles) { - if (tiles.hasOwnProperty(i)) { - tiles[i].style.webkitTransform += ' translate(0,0)'; - } - } - } - }, - - _initContainer: function () { - var tilePane = this._map._panes.tilePane; - - if (!this._container || tilePane.empty) { - this._container = L.DomUtil.create('div', 'leaflet-layer'); - - this._updateZIndex(); - - tilePane.appendChild(this._container); - - if (this.options.opacity < 1) { - this._updateOpacity(); - } - } - }, - - _resetCallback: function (e) { - this._reset(e.hard); - }, - - _reset: function (clearOldContainer) { - var tiles = this._tiles; - - for (var key in tiles) { - if (tiles.hasOwnProperty(key)) { - this.fire('tileunload', {tile: tiles[key]}); - } - } - - this._tiles = {}; - this._tilesToLoad = 0; - - if (this.options.reuseTiles) { - this._unusedTiles = []; - } - - if (clearOldContainer && this._container) { - this._container.innerHTML = ""; - } - - this._initContainer(); - }, - - _update: function (e) { - - 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 nwTilePoint = new L.Point( - Math.floor(bounds.min.x / tileSize), - Math.floor(bounds.min.y / tileSize)), - - seTilePoint = new L.Point( - Math.floor(bounds.max.x / tileSize), - Math.floor(bounds.max.y / tileSize)), - - tileBounds = new L.Bounds(nwTilePoint, seTilePoint); - - 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._container.appendChild(fragment); - }, - - _tileShouldBeLoaded: function (tilePoint) { - if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) { - return false; // already loaded - } - - if (!this.options.continuousWorld) { - var limit = this._getWrapTileNum(); - - if (this.options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit) || - tilePoint.y < 0 || tilePoint.y >= limit) { - return false; // exceeds world bounds - } - } - - return true; - }, - - _removeOtherTiles: function (bounds) { - var kArr, x, y, key; - - for (key in this._tiles) { - if (this._tiles.hasOwnProperty(key)) { - 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._container) { - this._container.removeChild(tile); - } - - // for https://github.com/CloudMade/Leaflet/issues/137 - if (!L.Browser.android) { - 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 3 browser not tested - 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._container) { - 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) { - this._adjustTilePoint(tilePoint); - - return L.Util.template(this._url, L.extend({ - s: this._getSubdomain(tilePoint), - z: this._getZoomForUrl(), - 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; - } - }, - - _getSubdomain: function (tilePoint) { - var index = (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(); - }, - - _resetTile: function (tile) { - // Override if data stored on a tile needs to be cleaned up before reuse - }, - - _createTile: function () { - var tile = this._tileImg.cloneNode(false); - tile.onselectstart = tile.onmousemove = L.Util.falseFn; - return tile; - }, - - _loadTile: function (tile, tilePoint) { - tile._layer = this; - tile.onload = this._tileOnLoad; - tile.onerror = this._tileOnError; - - tile.src = this.getTileUrl(tilePoint); - }, - - _tileLoaded: function () { - this._tilesToLoad--; - if (!this._tilesToLoad) { - this.fire('load'); - } - }, - - _tileOnLoad: function (e) { - 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 (e) { - 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 = 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); - - if (options.detectRetina && L.Browser.retina) { - wmsParams.width = wmsParams.height = this.options.tileSize * 2; - } else { - wmsParams.width = wmsParams.height = this.options.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(new L.Point(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) + "&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 = L.TileLayer.extend({ - options: { - async: false - }, - - initialize: function (options) { - L.setOptions(this, options); - }, - - redraw: function () { - var tiles = this._tiles; - - for (var i in tiles) { - if (tiles.hasOwnProperty(i)) { - this._redrawTile(tiles[i]); - } - } - }, - - _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 = 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), - currentSize = map.latLngToLayerPoint(se)._subtract(map.latLngToLayerPoint(nw)), - origin = topLeft._add(size._subtract(currentSize)._divideBy(2)); - - 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 = L.Class.extend({ - options: { - /* - iconUrl: (String) (required) - 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) - shadowSize: (Point) - shadowAnchor: (Point) - */ - className: '' - }, - - initialize: function (options) { - L.setOptions(this, options); - }, - - createIcon: function () { - return this._createIcon('icon'); - }, - - createShadow: function () { - return this._createIcon('shadow'); - }, - - _createIcon: function (name) { - var src = this._getIconUrl(name); - - if (!src) { - if (name === 'icon') { - throw new Error("iconUrl not set in Icon options (see the docs)."); - } - return null; - } - - var img = this._createImg(src); - 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) { - var el; - - if (!L.Browser.ie6) { - el = document.createElement('img'); - el.src = src; - } else { - el = document.createElement('div'); - el.style.filter = - 'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")'; - } - return el; - }, - - _getIconUrl: function (name) { - return this.options[name + 'Url']; - } -}); - -L.icon = function (options) { - return new L.Icon(options); -}; - - - -L.Icon.Default = L.Icon.extend({ - - options: { - iconSize: new L.Point(25, 41), - iconAnchor: new L.Point(12, 41), - popupAnchor: new L.Point(1, -34), - - shadowSize: new L.Point(41, 41) - }, - - _getIconUrl: function (name) { - var key = name + 'Url'; - - if (this.options[key]) { - return this.options[key]; - } - - 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; - - for (i = 0, len = scripts.length; i < len; i++) { - src = scripts[i].src; - matches = src.match(leafletRe); - - if (matches) { - return src.split(leafletRe)[0] + '/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) { - 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(); - - this.fire('move', { latlng: this._latlng }); - }, - - setZIndexOffset: function (offset) { - this.options.zIndexOffset = offset; - this.update(); - }, - - setIcon: function (icon) { - if (this._map) { - this._removeIcon(); - } - - this.options.icon = icon; - - if (this._map) { - this._initIcon(); - this.update(); - } - }, - - update: function () { - if (!this._icon) { return; } - - var pos = this._map.latLngToLayerPoint(this._latlng).round(); - this._setPos(pos); - }, - - _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; - - if (!this._icon) { - this._icon = options.icon.createIcon(); - - if (options.title) { - this._icon.title = options.title; - } - - this._initInteraction(); - needOpacityUpdate = (this.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); - } - } - - if (!this._shadow) { - this._shadow = options.icon.createShadow(); - - if (this._shadow) { - L.DomUtil.addClass(this._shadow, classToAdd); - needOpacityUpdate = (this.options.opacity < 1); - } - } - - if (needOpacityUpdate) { - this._updateOpacity(); - } - - var panes = this._map._panes; - - panes.markerPane.appendChild(this._icon); - - if (this._shadow) { - 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._map.dragging && this._map.dragging.moved()) { return; } - - this.fire(e.type, { - originalEvent: e - }); - }, - - _fireMouseEvent: function (e) { - - this.fire(e.type, { - originalEvent: e - }); - - // 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 = L.Icon.extend({ - options: { - iconSize: new L.Point(12, 12), // also can be set through CSS - /* - iconAnchor: (Point) - popupAnchor: (Point) - html: (String) - bgPos: (Point) - */ - className: 'leaflet-div-icon' - }, - - createIcon: function () { - var div = document.createElement('div'), - options = this.options; - - if (options.html) { - div.innerHTML = options.html; - } - - 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.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: new L.Point(0, 6), - autoPanPadding: new L.Point(5, 5), - className: '' - }, - - initialize: function (options, source) { - L.setOptions(this, options); - - this._source = source; - }, - - 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('viewreset', this._updatePosition, this); - - if (L.Browser.any3d) { - map.on('zoomanim', this._zoomAnimation, this); - } - - if (map.options.closePopupOnClick) { - map.on('preclick', this._close, this); - } - - this._update(); - - if (animFade) { - L.DomUtil.setOpacity(this._container, 1); - } - }, - - 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({ - viewreset: this._updatePosition, - preclick: this._close, - zoomanim: this._zoomAnimation - }, this); - - if (map.options.fadeAnimation) { - L.DomUtil.setOpacity(this._container, 0); - } - - this._map = null; - }, - - setLatLng: function (latlng) { - this._latlng = L.latLng(latlng); - this._update(); - return this; - }, - - setContent: function (content) { - this._content = content; - this._update(); - return this; - }, - - _close: function () { - var map = this._map; - - if (map) { - map._popup = null; - - map - .removeLayer(this) - .fire('popupclose', {popup: this}); - } - }, - - _initLayout: function () { - var prefix = 'leaflet-popup', - containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-animated', - 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.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); - - 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), - is3d = L.Browser.any3d, - offset = this.options.offset; - - if (is3d) { - L.DomUtil.setPosition(this._container, pos); - } - - this._containerBottom = -offset.y - (is3d ? 0 : pos.y); - this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (is3d ? 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 (L.Browser.any3d) { - layerPos._add(L.DomUtil.getPosition(this._container)); - } - - var containerPos = map.layerPointToContainerPoint(layerPos), - padding = this.options.autoPanPadding, - size = map.getSize(), - dx = 0, - dy = 0; - - if (containerPos.x < 0) { - dx = containerPos.x - padding.x; - } - if (containerPos.x + containerWidth > size.x) { - dx = containerPos.x + containerWidth - size.x + padding.x; - } - if (containerPos.y < 0) { - dy = containerPos.y - padding.y; - } - if (containerPos.y + containerHeight > size.y) { - dy = containerPos.y + containerHeight - size.y + padding.y; - } - - if (dx || dy) { - map.panBy(new L.Point(dx, dy)); - } - }, - - _onCloseButtonClick: function (e) { - this._close(); - L.DomEvent.stop(e); - } -}); - -L.popup = function (options, source) { - return new L.Popup(options, source); -}; - - -/* - * Popup extension to L.Marker, adding openPopup & bindPopup methods. - */ - -L.Marker.include({ - openPopup: function () { - if (this._popup && this._map) { - 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) || new L.Point(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); - } - - this._popup = new L.Popup(options, this) - .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.Map.include({ - openPopup: function (popup) { - this.closePopup(); - - this._popup = popup; - - return this - .addLayer(popup) - .fire('popupopen', {popup: this._popup}); - }, - - closePopup: function () { - if (this._popup) { - this._popup._close(); - } - return this; - } -}); - - -/* - * L.LayerGroup is a class to combine several layers so 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 = L.stamp(layer); - - this._layers[id] = layer; - - if (this._map) { - this._map.addLayer(layer); - } - - return this; - }, - - removeLayer: function (layer) { - var id = L.stamp(layer); - - delete this._layers[id]; - - if (this._map) { - this._map.removeLayer(layer); - } - - return this; - }, - - 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) { - if (this._layers.hasOwnProperty(i)) { - 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) { - if (this._layers.hasOwnProperty(i)) { - method.call(context, this._layers[i]); - } - } - }, - - setZIndex: function (zIndex) { - return this.invoke('setZIndex', zIndex); - } -}); - -L.layerGroup = function (layers) { - return new L.LayerGroup(layers); -}; - - -/* - * L.FeatureGroup extends L.LayerGroup by introducing mouse events and bindPopup method shared between a group of layers. - */ - -L.FeatureGroup = L.LayerGroup.extend({ - includes: L.Mixin.Events, - - statics: { - EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu' - }, - - addLayer: function (layer) { - if (this._layers[L.stamp(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); - } - - return this.fire('layeradd', {layer: layer}); - }, - - removeLayer: function (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) { - this._popupContent = content; - return this.invoke('bindPopup', content); - }, - - 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) { - 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); - } - - 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); - - this._map = null; - - if (L.Browser.vml) { - this._container = null; - this._stroke = null; - this._fill = null; - } - - this.fire('remove'); - - 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); - } -}); - - -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'); - } - 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 (opt) { - var scale = this.getZoomScale(opt.zoom), - offset = this._getCenterOffset(opt.center), - translate = offset.multiplyBy(-scale)._add(this._pathViewport.min); - - this._pathRoot.style[L.DomUtil.TRANSFORM] = - L.DomUtil.getTranslateString(translate) + ' 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 bindPopup method. - */ - -L.Path.include({ - - bindPopup: function (content, options) { - - 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); - - 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) { - if (options.fillOpacity < 1) { - ctx.globalAlpha = options.fillOpacity; - } - ctx.fill(); - } - - if (options.stroke) { - if (options.opacity < 1) { - 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 hand cursor - // TODO mouseover, mouseout, dblclick - this._map.on('click', this._onClick, this); - } - }, - - _onClick: function (e) { - if (this._containsPoint(e.layerPoint)) { - this.fire('click', 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.) - */ - -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; - }, - - /*jshint bitwise:false */ // temporarily allow bitwise oprations - - // 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 min = bounds.min, - max = bounds.max, - - 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; - }, - - /*jshint bitwise:true */ - - // 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 = L.Path.extend({ - initialize: function (latlngs, options) { - L.Path.prototype.initialize.call(this, options); - - this._latlngs = this._convertLatLngs(latlngs); - - // TODO refactor: move to Polyline.Edit.js - if (L.Handler.PolyEdit) { - this.editing = new L.Handler.PolyEdit(this); - - if (this.options.editable) { - this.editing.enable(); - } - } - }, - - 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 (index, howMany) { - var removed = [].splice.apply(this._latlngs, arguments); - this._convertLatLngs(this._latlngs); - 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 () { - var bounds = new L.LatLngBounds(), - latLngs = this.getLatLngs(), - i, len; - - for (i = 0, len = latLngs.length; i < len; i++) { - bounds.extend(latLngs[i]); - } - - return bounds; - }, - - // TODO refactor: move to Polyline.Edit.js - onAdd: function (map) { - L.Path.prototype.onAdd.call(this, map); - - if (this.editing && this.editing.enabled()) { - this.editing.addHooks(); - } - }, - - onRemove: function (map) { - if (this.editing && this.editing.enabled()) { - this.editing.removeHooks(); - } - - L.Path.prototype.onRemove.call(this, map); - }, - - _convertLatLngs: function (latlngs) { - var i, len; - for (i = 0, len = latlngs.length; i < len; i++) { - if (latlngs[i] instanceof Array && typeof latlngs[i][0] !== 'number') { - return; - } - latlngs[i] = L.latLng(latlngs[i]); - } - return latlngs; - }, - - _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 min = bounds.min, - max = bounds.max, - 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; -}; - -/*jshint bitwise:true */ - - -/* - * L.Polygon is used to display polygons on a map. - */ - -L.Polygon = L.Polyline.extend({ - options: { - fill: true - }, - - initialize: function (latlngs, options) { - L.Polyline.prototype.initialize.call(this, latlngs, options); - - if (latlngs && (latlngs[0] instanceof Array) && (typeof latlngs[0][0] !== 'number')) { - this._latlngs = this._convertLatLngs(latlngs[0]); - this._holes = latlngs.slice(1); - } - }, - - 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, hole; - - 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 - */ - -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(), - latLngBounds.getSouthWest() - ]; - } -}); - -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(), - latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngRadius, true), - point2 = this._map.latLngToLayerPoint(latlng2); - - this._point = this._map.latLngToLayerPoint(this._latlng); - this._radius = Math.max(Math.round(this._point.x - point2.x), 1); - }, - - getBounds: function () { - var lngRadius = this._getLngRadius(), - latRadius = (this._mRadius / 40075017) * 360, - latlng = this._latlng, - sw = new L.LatLng(latlng.lat - latRadius, latlng.lng - lngRadius), - ne = new L.LatLng(latlng.lat + latRadius, latlng.lng + lngRadius); - - return new L.LatLngBounds(sw, ne); - }, - - 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); - }, - - setRadius: function (radius) { - this._radius = radius; - return this.redraw(); - } -}); - -L.circleMarker = function (latlng, options) { - return new L.CircleMarker(latlng, options); -}; - - - -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; - } -}); - - - -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; - } -}); - - -/* - * Circle canvas specific drawing parts. - */ - -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); - } -}); - - -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 = geojson instanceof Array ? geojson : geojson.features, - i, len; - - if (features) { - for (i = 0, len = features.length; i < len; i++) { - 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); - layer.feature = geojson; - - this.resetStyle(layer); - - if (options.onEachFeature) { - options.onEachFeature(geojson, layer); - } - - return this.addLayer(layer); - }, - - resetStyle: function (layer) { - var style = this.options.style; - if (style) { - 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) { - var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson, - coords = geometry.coordinates, - layers = [], - latlng, latlngs, i, len, layer; - - switch (geometry.type) { - case 'Point': - latlng = this.coordsToLatLng(coords); - return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng); - - case 'MultiPoint': - for (i = 0, len = coords.length; i < len; i++) { - latlng = this.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); - return new L.Polyline(latlngs); - - case 'Polygon': - latlngs = this.coordsToLatLngs(coords, 1); - return new L.Polygon(latlngs); - - case 'MultiLineString': - latlngs = this.coordsToLatLngs(coords, 1); - return new L.MultiPolyline(latlngs); - - case "MultiPolygon": - latlngs = this.coordsToLatLngs(coords, 2); - return new L.MultiPolygon(latlngs); - - case "GeometryCollection": - for (i = 0, len = geometry.geometries.length; i < len; i++) { - layer = this.geometryToLayer(geometry.geometries[i], pointToLayer); - layers.push(layer); - } - return new L.FeatureGroup(layers); - - default: - throw new Error('Invalid GeoJSON object.'); - } - }, - - coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng - var lat = parseFloat(coords[reverse ? 0 : 1]), - lng = parseFloat(coords[reverse ? 1 : 0]); - - return new L.LatLng(lat, lng, true); - }, - - coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array - var latlng, - latlngs = [], - i, len; - - for (i = 0, len = coords.length; i < len; i++) { - latlng = levelsDeep ? - this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) : - this.coordsToLatLng(coords[i], reverse); - - latlngs.push(latlng); - } - - return latlngs; - } -}); - -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 { - 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; } - - 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); - }, - - /*jshint noarg:false */ - _getEvent: function () { // evil magic for IE - - 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; - } - /*jshint noarg:false */ -}; - -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 ((!L.Browser.touch && e.shiftKey) || - ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; } - - L.DomEvent.preventDefault(e); - L.DomEvent.stopPropagation(e); - - if (L.Draggable._disabled) { return; } - - this._simulateClick = true; - - if (e.touches && e.touches.length > 1) { - this._simulateClick = false; - clearTimeout(this._longPressTimeout); - return; - } - - var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e), - el = first.target; - - 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 (e.touches && e.touches.length === 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); - L.DomEvent.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), - diffVec = newPoint.subtract(this._startPoint); - - if (!diffVec.x && !diffVec.y) { return; } - - L.DomEvent.preventDefault(e); - - if (!this._moved) { - this.fire('dragstart'); - this._moved = true; - - this._startPos = L.DomUtil.getPosition(this._element).subtract(diffVec); - - if (!L.Browser.touch) { - L.DomUtil.disableTextSelection(); - this._setMovingCursor(); - } - } - - this._newPos = this._startPos.add(diffVec); - 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 simulateClickTouch; - clearTimeout(this._longPressTimeout); - if (this._simulateClick && e.changedTouches) { - var first = e.changedTouches[0], - el = first.target, - dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0; - - if (el.tagName.toLowerCase() === 'a') { - L.DomUtil.removeClass(el, 'leaflet-active'); - } - - if (dist < L.Draggable.TAP_TOLERANCE) { - simulateClickTouch = first; - } - } - - if (!L.Browser.touch) { - L.DomUtil.enableTextSelection(); - this._restoreCursor(); - } - - for (var i in L.Draggable.MOVE) { - if (L.Draggable.MOVE.hasOwnProperty(i)) { - L.DomEvent.off(document, L.Draggable.MOVE[i], this._onMove); - L.DomEvent.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', simulateClickTouch); - } - }, - - _setMovingCursor: function () { - L.DomUtil.addClass(document.body, 'leaflet-dragging'); - }, - - _restoreCursor: function () { - L.DomUtil.removeClass(document.body, 'leaflet-dragging'); - }, - - _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 classes are used internally to inject interaction features 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 internally by L.Map to make the map draggable. - */ - -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: true -}); - -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 () { - var pxCenter = this._map.getSize()._divideBy(2), - pxWorldCenter = this._map.latLngToLayerPoint(new L.LatLng(0, 0)); - - this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; - this._worldWidth = this._map.project(new L.LatLng(0, 180)).x; - }, - - _onPreDrag: function () { - // TODO refactor to be able to adjust map pane position after zoom - var map = this._map, - 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]; - - if (noInertia) { - map.fire('moveend'); - - } else { - - var direction = this._lastPos.subtract(this._positions[0]), - duration = (this._lastTime + delay - this._times[0]) / 1000, - - speedVector = direction.multiplyBy(options.easeLinearity / duration), - speed = speedVector.distanceTo(new L.Point(0, 0)), - - limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), - limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), - - decelerationDuration = limitedSpeed / (options.inertiaDeceleration * options.easeLinearity), - offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); - - L.Util.requestAnimFrame(function () { - map.panBy(offset, decelerationDuration, options.easeLinearity); - }); - } - - map.fire('dragend'); - - if (options.maxBounds) { - // TODO predrag validation instead of animation - L.Util.requestAnimFrame(this._panInsideMaxBounds, map, true, map._container); - } - }, - - _panInsideMaxBounds: function () { - this.panInsideBounds(this.options.maxBounds); - } -}); - -L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag); - - -/* - * L.Handler.DoubleClickZoom is used internally by L.Map to add double-click zooming. - */ - -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.setView(e.latlng, 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.round(delta); - delta = Math.max(Math.min(delta, 4), -4); - delta = map._limitZoom(zoom + delta) - zoom; - - this._delta = 0; - - this._startTime = null; - - if (!delta) { return; } - - var newZoom = zoom + delta, - newCenter = this._getCenterForScrollWheelZoom(newZoom); - - map.setView(newCenter, newZoom); - }, - - _getCenterForScrollWheelZoom: function (newZoom) { - var map = this._map, - scale = map.getZoomScale(newZoom), - viewHalf = map.getSize()._divideBy(2), - centerOffset = this._lastMousePos._subtract(viewHalf)._multiplyBy(1 - 1 / scale), - newCenterPoint = map._getTopLeftPoint()._add(viewHalf)._add(centerOffset); - - return map.unproject(newCenterPoint); - } -}); - -L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom); - - -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; - for (var i in touch) { - if (true) { //Make JSHint happy, we want to copy all properties - 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; - } -}); - - -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) { - if (!e.touches || e.touches.length !== 2) { return; } - - var map = this._map; - - 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-zoom-anim leaflet-touching'); - - map - .fire('movestart') - .fire('zoomstart') - ._prepareTileBg(); - - 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); - - map.fire('zoomanim', { - center: center, - zoom: map.getScaleZoom(this._scale) - }); - - // Used 2 translates instead of transform-origin because of a very strange bug - - // it didn't count the origin on the first touch-zoom but worked correctly afterwards - - map._tileBg.style[L.DomUtil.TRANSFORM] = - L.DomUtil.getTranslateString(this._delta) + ' ' + - L.DomUtil.getScaleString(this._scale, this._startCenter); - }, - - _onTouchEnd: function (e) { - if (!this._moved || !this._zooming) { return; } - - var map = this._map; - - this._zooming = false; - L.DomUtil.removeClass(map._mapPane, 'leaflet-touching'); - - 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); - - map.fire('zoomanim', { - center: center, - zoom: zoom - }); - - map._runAnimation(center, zoom, map.getZoomScale(zoom) / this._scale, origin, true); - }, - - _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 internally by L.Map to add shift-drag zoom (zoom to a selected bounding box). - */ - -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) - .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'; - }, - - _onMouseUp: function (e) { - this._pane.removeChild(this._box); - this._container.style.cursor = ''; - - L.DomUtil.enableTextSelection(); - - L.DomEvent - .off(document, 'mousemove', this._onMouseMove) - .off(document, 'mouseup', this._onMouseUp); - - 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 - }); - } -}); - -L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom); - - -L.Map.mergeOptions({ - keyboard: true, - keyboardPanOffset: 80, - keyboardZoomOffset: 1 -}); - -L.Map.Keyboard = L.Handler.extend({ - - // list of e.keyCode values for particular actions - keyCodes: { - left: [37], - right: [39], - down: [40], - up: [38], - zoomIn: [187, 107, 61], - zoomOut: [189, 109] - }, - - 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 - .addListener(container, 'focus', this._onFocus, this) - .addListener(container, 'blur', this._onBlur, this) - .addListener(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 - .removeListener(container, 'focus', this._onFocus, this) - .removeListener(container, 'blur', this._onBlur, this) - .removeListener(container, 'mousedown', this._onMouseDown, this); - - this._map - .off('focus', this._addHooks, this) - .off('blur', this._removeHooks, this); - }, - - _onMouseDown: function () { - if (!this._focused) { - this._map._container.focus(); - } - }, - - _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.addListener(document, 'keydown', this._onKeyDown, this); - }, - - _removeHooks: function () { - L.DomEvent.removeListener(document, 'keydown', this._onKeyDown, this); - }, - - _onKeyDown: function (e) { - var key = e.keyCode; - - if (this._panKeys.hasOwnProperty(key)) { - this._map.panBy(this._panKeys[key]); - - } else if (this._zoomKeys.hasOwnProperty(key)) { - this._map.setZoom(this._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) - .on('dragstart', this._onDragStart, this) - .on('drag', this._onDrag, this) - .on('dragend', this._onDragEnd, this); - } - this._draggable.enable(); - }, - - removeHooks: function () { - this._draggable.disable(); - }, - - moved: function () { - return this._draggable && this._draggable._moved; - }, - - _onDragStart: function (e) { - this._marker - .closePopup() - .fire('movestart') - .fire('dragstart'); - }, - - _onDrag: function (e) { - var marker = this._marker, - shadow = marker._shadow, - iconPos = L.DomUtil.getPosition(marker._icon), - latlng = marker._map.layerPointToLatLng(iconPos); - - // 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.Handler.PolyEdit = L.Handler.extend({ - options: { - icon: new L.DivIcon({ - iconSize: new L.Point(8, 8), - className: 'leaflet-div-icon leaflet-editing-icon' - }) - }, - - initialize: function (poly, options) { - this._poly = poly; - L.setOptions(this, options); - }, - - addHooks: function () { - if (this._poly._map) { - if (!this._markerGroup) { - this._initMarkers(); - } - this._poly._map.addLayer(this._markerGroup); - } - }, - - removeHooks: function () { - if (this._poly._map) { - this._poly._map.removeLayer(this._markerGroup); - delete this._markerGroup; - delete this._markers; - } - }, - - updateMarkers: function () { - this._markerGroup.clearLayers(); - this._initMarkers(); - }, - - _initMarkers: function () { - if (!this._markerGroup) { - this._markerGroup = new L.LayerGroup(); - } - this._markers = []; - - var latlngs = this._poly._latlngs, - i, j, len, marker; - - // TODO refactor holes implementation in Polygon to support it here - - for (i = 0, len = latlngs.length; i < len; i++) { - - marker = this._createMarker(latlngs[i], i); - marker.on('click', this._onMarkerClick, this); - this._markers.push(marker); - } - - var markerLeft, markerRight; - - for (i = 0, j = len - 1; i < len; j = i++) { - if (i === 0 && !(L.Polygon && (this._poly instanceof L.Polygon))) { - continue; - } - - markerLeft = this._markers[j]; - markerRight = this._markers[i]; - - this._createMiddleMarker(markerLeft, markerRight); - this._updatePrevNext(markerLeft, markerRight); - } - }, - - _createMarker: function (latlng, index) { - var marker = new L.Marker(latlng, { - draggable: true, - icon: this.options.icon - }); - - marker._origLatLng = latlng; - marker._index = index; - - marker.on('drag', this._onMarkerDrag, this); - marker.on('dragend', this._fireEdit, this); - - this._markerGroup.addLayer(marker); - - return marker; - }, - - _fireEdit: function () { - this._poly.fire('edit'); - }, - - _onMarkerDrag: function (e) { - var marker = e.target; - - L.extend(marker._origLatLng, marker._latlng); - - if (marker._middleLeft) { - marker._middleLeft.setLatLng(this._getMiddleLatLng(marker._prev, marker)); - } - if (marker._middleRight) { - marker._middleRight.setLatLng(this._getMiddleLatLng(marker, marker._next)); - } - - this._poly.redraw(); - }, - - _onMarkerClick: function (e) { - // we want to remove the marker on click, but if latlng count < 3, polyline would be invalid - if (this._poly._latlngs.length < 3) { return; } - - var marker = e.target, - i = marker._index; - - // remove the marker - this._markerGroup.removeLayer(marker); - this._markers.splice(i, 1); - this._poly.spliceLatLngs(i, 1); - this._updateIndexes(i, -1); - - // update prev/next links of adjacent markers - this._updatePrevNext(marker._prev, marker._next); - - // remove ghost markers near the removed marker - if (marker._middleLeft) { - this._markerGroup.removeLayer(marker._middleLeft); - } - if (marker._middleRight) { - this._markerGroup.removeLayer(marker._middleRight); - } - - // create a ghost marker in place of the removed one - if (marker._prev && marker._next) { - this._createMiddleMarker(marker._prev, marker._next); - - } else if (!marker._prev) { - marker._next._middleLeft = null; - - } else if (!marker._next) { - marker._prev._middleRight = null; - } - - this._poly.fire('edit'); - }, - - _updateIndexes: function (index, delta) { - this._markerGroup.eachLayer(function (marker) { - if (marker._index > index) { - marker._index += delta; - } - }); - }, - - _createMiddleMarker: function (marker1, marker2) { - var latlng = this._getMiddleLatLng(marker1, marker2), - marker = this._createMarker(latlng), - onClick, - onDragStart, - onDragEnd; - - marker.setOpacity(0.6); - - marker1._middleRight = marker2._middleLeft = marker; - - onDragStart = function () { - var i = marker2._index; - - marker._index = i; - - marker - .off('click', onClick) - .on('click', this._onMarkerClick, this); - - latlng.lat = marker.getLatLng().lat; - latlng.lng = marker.getLatLng().lng; - this._poly.spliceLatLngs(i, 0, latlng); - this._markers.splice(i, 0, marker); - - marker.setOpacity(1); - - this._updateIndexes(i, 1); - marker2._index++; - this._updatePrevNext(marker1, marker); - this._updatePrevNext(marker, marker2); - }; - - onDragEnd = function () { - marker.off('dragstart', onDragStart, this); - marker.off('dragend', onDragEnd, this); - - this._createMiddleMarker(marker1, marker); - this._createMiddleMarker(marker, marker2); - }; - - onClick = function () { - onDragStart.call(this); - onDragEnd.call(this); - this._poly.fire('edit'); - }; - - marker - .on('click', onClick, this) - .on('dragstart', onDragStart, this) - .on('dragend', onDragEnd, this); - - this._markerGroup.addLayer(marker); - }, - - _updatePrevNext: function (marker1, marker2) { - if (marker1) { - marker1._next = marker2; - } - if (marker2) { - marker2._prev = marker1; - } - }, - - _getMiddleLatLng: function (marker1, marker2) { - var map = this._poly._map, - p1 = map.latLngToLayerPoint(marker1.getLatLng()), - p2 = map.latLngToLayerPoint(marker2.getLatLng()); - - return map.layerPointToLatLng(p1._add(p2)._divideBy(2)); - } -}); - - - -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; - }, - - 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); -}; - - -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'); - } -}); - - -L.Control.Zoom = L.Control.extend({ - options: { - position: 'topleft' - }, - - onAdd: function (map) { - var className = 'leaflet-control-zoom', - container = L.DomUtil.create('div', className); - - this._map = map; - - this._zoomInButton = this._createButton( - '+', 'Zoom in', className + '-in', container, this._zoomIn, this); - this._zoomOutButton = this._createButton( - '-', 'Zoom out', className + '-out', container, this._zoomOut, this); - - map.on('zoomend', this._updateDisabled, this); - - return container; - }, - - onRemove: function (map) { - map.off('zoomend', 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; - - L.DomEvent - .on(link, 'click', L.DomEvent.stopPropagation) - .on(link, 'mousedown', L.DomEvent.stopPropagation) - .on(link, 'dblclick', L.DomEvent.stopPropagation) - .on(link, 'click', L.DomEvent.preventDefault) - .on(link, 'click', fn, context); - - return link; - }, - - _updateDisabled: function () { - var map = this._map, - className = 'leaflet-control-zoom-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 = L.Control.extend({ - options: { - position: 'bottomright', - prefix: 'Powered by <a href="http://leafletjs.com">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; } - - this._attributions[text]--; - this._update(); - - return this; - }, - - _update: function () { - if (!this._map) { return; } - - var attribs = []; - - for (var i in this._attributions) { - if (this._attributions.hasOwnProperty(i) && 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 = 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 = 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) { - if (baseLayers.hasOwnProperty(i)) { - this._addLayer(baseLayers[i], i); - } - } - - for (i in overlays) { - if (overlays.hasOwnProperty(i)) { - 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); - - 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; - - for (var i in this._layers) { - if (this._layers.hasOwnProperty(i)) { - var 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 if (!input.checked && this._map.hasLayer(obj.layer)) { - this._map.removeLayer(obj.layer); - } - } - - 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.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.fire, this, 'step'), 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 - }, - - // 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\.]+)\)/, - - _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] = ''; - - clearInterval(this._stepTimer); - - this.fire('step').fire('end'); - } - -}); - - - -L.Map.include({ - - setView: function (center, zoom, forceReset) { - zoom = this._limitZoom(zoom); - - var zoomChanged = (this._zoom !== zoom); - - if (this._loaded && !forceReset && this._layers) { - - if (this._panAnim) { - this._panAnim.stop(); - } - - var done = (zoomChanged ? - this._zoomToIfClose && this._zoomToIfClose(center, zoom) : - this._panByIfClose(center)); - - // exit if animated pan or zoom started - if (done) { - clearTimeout(this._sizeTimer); - return this; - } - } - - // reset the map view - this._resetView(center, zoom); - - return this; - }, - - panBy: function (offset, duration, easeLinearity) { - offset = L.point(offset); - - 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); - } - - this.fire('movestart'); - - L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim'); - - var newPos = L.DomUtil.getPosition(this._mapPane).subtract(offset)._round(); - this._panAnim.run(this._mapPane, newPos, duration || 0.25, easeLinearity); - - return this; - }, - - _onPanTransitionStep: function () { - this.fire('move'); - }, - - _onPanTransitionEnd: function () { - L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim'); - this.fire('moveend'); - }, - - _panByIfClose: function (center) { - // difference between the new and current centers in pixels - var offset = this._getCenterOffset(center)._floor(); - - if (this._offsetIsWithinView(offset)) { - this.panBy(offset); - return true; - } - return false; - }, - - _offsetIsWithinView: function (offset, multiplyFactor) { - var m = multiplyFactor || 1, - size = this.getSize(); - - return (Math.abs(offset.x) <= size.x * m) && - (Math.abs(offset.y) <= size.y * m); - } -}); - - -/* - * 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); - } -}); - - -L.Map.mergeOptions({ - zoomAnimation: L.DomUtil.TRANSITION && !L.Browser.android23 && !L.Browser.mobileOpera -}); - -if (L.DomUtil.TRANSITION) { - L.Map.addInitHook(function () { - L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this); - }); -} - -L.Map.include(!L.DomUtil.TRANSITION ? {} : { - - _zoomToIfClose: function (center, zoom) { - - if (this._animatingZoom) { return true; } - - if (!this.options.zoomAnimation) { return false; } - - var scale = this.getZoomScale(zoom), - offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale); - - // if offset does not exceed half of the view - if (!this._offsetIsWithinView(offset, 1)) { return false; } - - L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim'); - - this - .fire('movestart') - .fire('zoomstart'); - - this.fire('zoomanim', { - center: center, - zoom: zoom - }); - - var origin = this._getCenterLayerPoint().add(offset); - - this._prepareTileBg(); - this._runAnimation(center, zoom, scale, origin); - - return true; - }, - - _catchTransitionEnd: function (e) { - if (this._animatingZoom) { - this._onZoomTransitionEnd(); - } - }, - - _runAnimation: function (center, zoom, scale, origin, backwardsTransform) { - this._animateToCenter = center; - this._animateToZoom = zoom; - this._animatingZoom = true; - - if (L.Draggable) { - L.Draggable._disabled = true; - } - - var transform = L.DomUtil.TRANSFORM, - tileBg = this._tileBg; - - clearTimeout(this._clearTileBgTimer); - - L.Util.falseFn(tileBg.offsetWidth); //hack to make sure transform is updated before running animation - - var scaleStr = L.DomUtil.getScaleString(scale, origin), - oldTransform = tileBg.style[transform]; - - tileBg.style[transform] = backwardsTransform ? - oldTransform + ' ' + scaleStr : - scaleStr + ' ' + oldTransform; - }, - - _prepareTileBg: function () { - var tilePane = this._tilePane, - tileBg = this._tileBg; - - // If foreground layer doesn't have many tiles but bg layer does, keep the existing bg layer and just zoom it some more - if (tileBg && this._getLoadedTilesPercentage(tileBg) > 0.5 && - this._getLoadedTilesPercentage(tilePane) < 0.5) { - - tilePane.style.visibility = 'hidden'; - tilePane.empty = true; - this._stopLoadingImages(tilePane); - return; - } - - if (!tileBg) { - tileBg = this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane); - tileBg.style.zIndex = 1; - } - - // prepare the background pane to become the main tile pane - tileBg.style[L.DomUtil.TRANSFORM] = ''; - tileBg.style.visibility = 'hidden'; - - // tells tile layers to reinitialize their containers - tileBg.empty = true; //new FG - tilePane.empty = false; //new BG - - //Switch out the current layer to be the new bg layer (And vice-versa) - this._tilePane = this._panes.tilePane = tileBg; - var newTileBg = this._tileBg = tilePane; - - L.DomUtil.addClass(newTileBg, 'leaflet-zoom-animated'); - - this._stopLoadingImages(newTileBg); - }, - - _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); - } - } - }, - - _onZoomTransitionEnd: function () { - this._restoreTileFront(); - L.Util.falseFn(this._tileBg.offsetWidth); // force reflow - this._resetView(this._animateToCenter, this._animateToZoom, true, true); - - L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim'); - this._animatingZoom = false; - - if (L.Draggable) { - L.Draggable._disabled = false; - } - }, - - _restoreTileFront: function () { - this._tilePane.innerHTML = ''; - this._tilePane.style.visibility = ''; - this._tilePane.style.zIndex = 2; - this._tileBg.style.zIndex = 1; - }, - - _clearTileBg: function () { - if (!this._animatingZoom && !this.touchZoom._zooming) { - this._tileBg.innerHTML = ''; - } - } -}); - - -/* - * Provides L.Map with convenient shortcuts for W3C geolocation. - */ - -L.Map.include({ - _defaultLocateOptions: { - watch: false, - setView: false, - maxZoom: Infinity, - timeout: 10000, - maximumAge: 0, - enableHighAccuracy: false - }, - - locate: function (/*Object*/ options) { - - options = this._locationOptions = 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); - } - return this; - }, - - _handleGeolocationError: function (error) { - var c = error.code, - message = error.message || - (c === 1 ? "permission denied" : - (c === 2 ? "position unavailable" : "timeout")); - - if (this._locationOptions.setView && !this._loaded) { - this.fitWorld(); - } - - this.fire('locationerror', { - code: c, - message: "Geolocation error: " + message + "." - }); - }, - - _handleGeolocationResponse: function (pos) { - var latAccuracy = 180 * pos.coords.accuracy / 4e7, - lngAccuracy = latAccuracy * 2, - - lat = pos.coords.latitude, - lng = pos.coords.longitude, - latlng = new L.LatLng(lat, lng), - - sw = new L.LatLng(lat - latAccuracy, lng - lngAccuracy), - ne = new L.LatLng(lat + latAccuracy, lng + lngAccuracy), - bounds = new L.LatLngBounds(sw, ne), - - options = this._locationOptions; - - if (options.setView) { - var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom); - this.setView(latlng, zoom); - } - - this.fire('locationfound', { - latlng: latlng, - bounds: bounds, - accuracy: pos.coords.accuracy - }); - } -}); - - - - -}(this));
\ No newline at end of file |