/*
- Copyright (c) 2010-2012, CloudMade, Vladimir Agafonkin
- Leaflet is an open-source JavaScript library for mobile-friendly interactive maps.
- http://leafletjs.com
+ Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
+ (c) 2010-2013, Vladimir Agafonkin
+ (c) 2010-2011, CloudMade
*/
-(function (window, undefined) {
+(function (window, document, undefined) {
+var oldL = window.L,
+ L = {};
-var L, originalL;
+L.version = '0.6.3';
-if (typeof exports !== undefined + '') {
- L = exports;
-} else {
- originalL = window.L;
- L = {};
+// define Leaflet for Node module pattern loaders, including Browserify
+if (typeof module === 'object' && typeof module.exports === 'object') {
+ module.exports = L;
- L.noConflict = function () {
- window.L = originalL;
- return this;
- };
-
- window.L = L;
+// define Leaflet as an AMD module
+} else if (typeof define === 'function' && define.amd) {
+ define(L);
}
-L.version = '0.4.4';
+// define Leaflet as a global L variable, saving the original L to restore later if needed
+
+L.noConflict = function () {
+ window.L = oldL;
+ return this;
+};
+
+window.L = L;
/*
- * L.Util is a namespace for various utility functions.
+ * L.Util contains various utility functions used throughout Leaflet code.
*/
L.Util = {
},
stamp: (function () {
- var lastId = 0, key = '_leaflet_id';
- return function (/*Object*/ obj) {
+ var lastId = 0,
+ key = '_leaflet_id';
+ return function (obj) {
obj[key] = obj[key] || ++lastId;
return obj[key];
};
}()),
+ invokeEach: function (obj, method, context) {
+ var i, args;
+
+ if (typeof obj === 'object') {
+ args = Array.prototype.slice.call(arguments, 3);
+
+ for (i in obj) {
+ method.apply(context, [i, obj[i]].concat(args));
+ }
+ return true;
+ }
+
+ return false;
+ },
+
limitExecByInterval: function (fn, time, context) {
var lock, execOnUnlock;
return Math.round(num * pow) / pow;
},
+ trim: function (str) {
+ return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
+ },
+
splitWords: function (str) {
- return str.replace(/^\s+|\s+$/g, '').split(/\s+/);
+ return L.Util.trim(str).split(/\s+/);
},
setOptions: function (obj, options) {
return obj.options;
},
- getParamString: function (obj) {
+ getParamString: function (obj, existingUrl, uppercase) {
var params = [];
for (var i in obj) {
- if (obj.hasOwnProperty(i)) {
- params.push(i + '=' + obj[i]);
- }
+ params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
}
- return '?' + params.join('&');
+ return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
},
template: function (str, data) {
return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
var value = data[key];
- if (!data.hasOwnProperty(key)) {
+ if (value === undefined) {
throw new Error('No value provided for variable ' + str);
+ } else if (typeof value === 'function') {
+ value = value(data);
}
return value;
});
},
+ isArray: function (obj) {
+ return (Object.prototype.toString.call(obj) === '[object Array]');
+ },
+
emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
};
/*
- * Class powers the OOP facilities of the library. Thanks to John Resig and Dean Edwards for inspiration!
+ * L.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*/ {
+L.Class.extend = function (props) {
// extended class with the new prototype
var NewClass = function () {
+
+ // call the constructor
if (this.initialize) {
this.initialize.apply(this, arguments);
}
+
+ // call all constructor hooks
+ if (this._initHooks) {
+ this.callInitHooks();
+ }
};
// instantiate class without calling constructor
// mix given properties into the prototype
L.extend(proto, props);
+ proto._initHooks = [];
+
+ var parent = this;
+ // jshint camelcase: false
+ NewClass.__super__ = parent.prototype;
+
+ // add method for calling all hooks
+ proto.callInitHooks = function () {
+
+ if (this._initHooksCalled) { return; }
+
+ if (parent.prototype.callInitHooks) {
+ parent.prototype.callInitHooks.call(this);
+ }
+
+ this._initHooksCalled = true;
+
+ for (var i = 0, len = proto._initHooks.length; i < len; i++) {
+ proto._initHooks[i].call(this);
+ }
+ };
+
return NewClass;
};
L.extend(this.prototype, props);
};
+// merge new default options to the Class
L.Class.mergeOptions = function (options) {
L.extend(this.prototype.options, options);
};
+// add a constructor hook
+L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
+ var args = Array.prototype.slice.call(arguments, 1);
+
+ var init = typeof fn === 'function' ? fn : function () {
+ this[fn].apply(this, args);
+ };
+
+ this.prototype._initHooks = this.prototype._initHooks || [];
+ this.prototype._initHooks.push(init);
+};
+
/*
- * L.Mixin.Events adds custom events functionality to Leaflet classes
+ * L.Mixin.Events is used to add custom events functionality to Leaflet classes.
*/
-var key = '_leaflet_events';
+var eventsKey = '_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 can be a map of types/handlers
+ if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }
+
+ var events = this[eventsKey] = this[eventsKey] || {},
+ contextId = context && L.stamp(context),
+ i, len, event, type, indexKey, indexLenKey, typeIndex;
+ // types can be a string of space-separated words
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
- events[types[i]] = events[types[i]] || [];
- events[types[i]].push({
+ event = {
action: fn,
context: context || this
- });
+ };
+ type = types[i];
+
+ if (context) {
+ // store listeners of a particular context in a separate hash (if it has an id)
+ // gives a major performance boost when removing thousands of map layers
+
+ indexKey = type + '_idx';
+ indexLenKey = indexKey + '_len';
+
+ typeIndex = events[indexKey] = events[indexKey] || {};
+
+ if (!typeIndex[contextId]) {
+ typeIndex[contextId] = [];
+
+ // keep track of the number of keys in the index to quickly check if it's empty
+ events[indexLenKey] = (events[indexLenKey] || 0) + 1;
+ }
+
+ typeIndex[contextId].push(event);
+
+
+ } else {
+ events[type] = events[type] || [];
+ events[type].push(event);
+ }
}
return this;
},
hasEventListeners: function (type) { // (String) -> Boolean
- return (key in this) && (type in this[key]) && (this[key][type].length > 0);
+ var events = this[eventsKey];
+ return !!events && ((type in events && events[type].length > 0) ||
+ (type + '_idx' in events && events[type + '_idx_len'] > 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);
- }
- }
+ removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])
+ if (!this[eventsKey]) {
return this;
}
+ if (!types) {
+ return this.clearAllEventListeners();
+ }
+
+ if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }
+
+ var events = this[eventsKey],
+ contextId = context && L.stamp(context),
+ i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;
+
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
+ type = types[i];
+ indexKey = type + '_idx';
+ indexLenKey = indexKey + '_len';
+
+ typeIndex = events[indexKey];
+
+ if (!fn) {
+ // clear all listeners for a type if function isn't specified
+ delete events[type];
+ delete events[indexKey];
- if (this.hasEventListeners(types[i])) {
- listeners = events[types[i]];
+ } else {
+ listeners = context && typeIndex ? typeIndex[contextId] : events[type];
+
+ if (listeners) {
+ for (j = listeners.length - 1; j >= 0; j--) {
+ if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
+ removed = listeners.splice(j, 1);
+ // set the old action to a no-op, because it is possible
+ // that the listener is being iterated over as part of a dispatch
+ removed[0].action = L.Util.falseFn;
+ }
+ }
- for (j = listeners.length - 1; j >= 0; j--) {
- if (
- (!fn || listeners[j].action === fn) &&
- (!context || (listeners[j].context === context))
- ) {
- listeners.splice(j, 1);
+ if (context && typeIndex && (listeners.length === 0)) {
+ delete typeIndex[contextId];
+ events[indexLenKey]--;
}
}
}
return this;
},
+ clearAllEventListeners: function () {
+ delete this[eventsKey];
+ return this;
+ },
+
fireEvent: function (type, data) { // (String[, Object])
if (!this.hasEventListeners(type)) {
return this;
}
- var event = L.extend({
- type: type,
- target: this
- }, data);
+ var event = L.Util.extend({}, data, { type: type, target: this });
+
+ var events = this[eventsKey],
+ listeners, i, len, typeIndex, contextId;
+
+ if (events[type]) {
+ // make sure adding/removing listeners inside other listeners won't cause infinite loop
+ listeners = events[type].slice();
+
+ for (i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].action.call(listeners[i].context || this, event);
+ }
+ }
+
+ // fire event for the context-indexed listeners as well
+ typeIndex = events[type + '_idx'];
- var listeners = this[key][type].slice();
+ for (contextId in typeIndex) {
+ listeners = typeIndex[contextId].slice();
- for (var i = 0, len = listeners.length; i < len; i++) {
- listeners[i].action.call(listeners[i].context || this, event);
+ if (listeners) {
+ for (i = 0, len = listeners.length; i < len; i++) {
+ listeners[i].action.call(listeners[i].context || this, event);
+ }
+ }
}
return this;
+ },
+
+ addOneTimeEventListener: function (types, fn, context) {
+
+ if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }
+
+ var handler = L.bind(function () {
+ this
+ .removeEventListener(types, fn, context)
+ .removeEventListener(types, handler, context);
+ }, this);
+
+ return this
+ .addEventListener(types, fn, context)
+ .addEventListener(types, handler, context);
}
};
L.Mixin.Events.on = L.Mixin.Events.addEventListener;
L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
+L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener;
L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
+/*
+ * L.Browser handles different browser and feature detections for internal Leaflet use.
+ */
+
(function () {
var ie = !!window.ActiveXObject,
- // http://tanalin.com/en/articles/ie-version-js/
ie6 = ie && !window.XMLHttpRequest,
ie7 = ie && !document.querySelector,
+ ielt9 = ie && !document.addEventListener,
// 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,
+ webkit = ua.indexOf('webkit') !== -1,
+ chrome = ua.indexOf('chrome') !== -1,
+ phantomjs = ua.indexOf('phantom') !== -1,
+ android = ua.indexOf('android') !== -1,
+ android23 = ua.search('android [23]') !== -1,
mobile = typeof orientation !== undefined + '',
- msTouch = (window.navigator && window.navigator.msPointerEnabled && window.navigator.msMaxTouchPoints),
- retina = (('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
- ('matchMedia' in window && window.matchMedia("(min-resolution:144dpi)").matches)),
+ msTouch = window.navigator && window.navigator.msPointerEnabled &&
+ window.navigator.msMaxTouchPoints,
+ retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
+ ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
+ window.matchMedia('(min-resolution:144dpi)').matches),
doc = document.documentElement,
ie3d = ie && ('transition' in doc.style),
webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()),
gecko3d = 'MozPerspective' in doc.style,
opera3d = 'OTransition' in doc.style,
- any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d);
+ any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
- var touch = !window.L_NO_TOUCH && (function () {
+ // PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
+ // https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
+
+ var touch = !window.L_NO_TOUCH && !phantomjs && (function () {
var startName = 'ontouchstart';
L.Browser = {
+ ie: ie,
ie6: ie6,
ie7: ie7,
+ ielt9: ielt9,
webkit: webkit,
android: android,
return Math.sqrt(x * x + y * y);
},
+ equals: function (point) {
+ point = L.point(point);
+
+ return point.x === this.x &&
+ point.y === this.y;
+ },
+
+ contains: function (point) {
+ point = L.point(point);
+
+ return Math.abs(point.x) <= Math.abs(this.x) &&
+ Math.abs(point.y) <= Math.abs(this.y);
+ },
+
toString: function () {
return 'Point(' +
L.Util.formatNum(this.x) + ', ' +
if (x instanceof L.Point) {
return x;
}
- if (x instanceof Array) {
+ if (L.Util.isArray(x)) {
return new L.Point(x[0], x[1]);
}
- if (isNaN(x)) {
+ if (x === undefined || x === null) {
return x;
}
return new L.Point(x, y, round);
* L.Bounds represents a rectangular area on the screen in pixel coordinates.
*/
-L.Bounds = L.Class.extend({
-
- initialize: function (a, b) { //(Point, Point) or Point[]
- if (!a) { return; }
+L.Bounds = function (a, b) { //(Point, Point) or Point[]
+ if (!a) { return; }
- var points = b ? [a, b] : a;
+ var points = b ? [a, b] : a;
- for (var i = 0, len = points.length; i < len; i++) {
- this.extend(points[i]);
- }
- },
+ for (var i = 0, len = points.length; i < len; i++) {
+ this.extend(points[i]);
+ }
+};
+L.Bounds.prototype = {
// extend the bounds to contain the given point
extend: function (point) { // (Point)
point = L.point(point);
return new L.Point(this.max.x, this.min.y);
},
+ getSize: function () {
+ return this.max.subtract(this.min);
+ },
+
contains: function (obj) { // (Bounds) or (Point) -> Boolean
var min, max;
isValid: function () {
return !!(this.min && this.max);
}
-});
+};
L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
if (!a || a instanceof L.Bounds) {
* 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;
- },
+L.Transformation = function (a, b, c, d) {
+ this._a = a;
+ this._b = b;
+ this._c = c;
+ this._d = d;
+};
- transform: function (point, scale) {
+L.Transformation.prototype = {
+ transform: function (point, scale) { // (Point, Number) -> Point
return this._transform(point.clone(), scale);
},
// destructive transform (faster)
- _transform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {
+ _transform: function (point, scale) {
scale = scale || 1;
point.x = scale * (this._a * point.x + this._b);
point.y = scale * (this._c * point.y + this._d);
return point;
},
- untransform: function (/*Point*/ point, /*Number*/ scale) /*-> Point*/ {
+ untransform: function (point, scale) {
scale = scale || 1;
return new L.Point(
(point.x / scale - this._b) / this._a,
(point.y / scale - this._d) / this._c);
}
-});
+};
/*
left = 0,
el = element,
docBody = document.body,
+ docEl = document.documentElement,
pos,
ie7 = L.Browser.ie7;
do {
top += el.offsetTop || 0;
left += el.offsetLeft || 0;
+
+ //add borders
+ top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
+ left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
+
pos = L.DomUtil.getStyle(el, 'position');
if (el.offsetParent === docBody && pos === 'absolute') { break; }
if (pos === 'fixed') {
- top += docBody.scrollTop || 0;
- left += docBody.scrollLeft || 0;
+ top += docBody.scrollTop || docEl.scrollTop || 0;
+ left += docBody.scrollLeft || docEl.scrollLeft || 0;
break;
}
+
+ if (pos === 'relative' && !el.offsetLeft) {
+ var width = L.DomUtil.getStyle(el, 'width'),
+ maxWidth = L.DomUtil.getStyle(el, 'max-width'),
+ r = el.getBoundingClientRect();
+
+ if (width !== 'none' || maxWidth !== 'none') {
+ left += r.left + el.clientLeft;
+ }
+
+ //calculate full y offset since we're breaking out of the loop
+ top += r.top + (docBody.scrollTop || docEl.scrollTop || 0);
+
+ break;
+ }
+
el = el.offsetParent;
} while (el);
documentIsLtr: function () {
if (!L.DomUtil._docIsLtrCached) {
L.DomUtil._docIsLtrCached = true;
- L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === "ltr";
+ L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
}
return L.DomUtil._docIsLtr;
},
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|$)").test(el.className);
+ new RegExp('(^|\\s)' + name + '(\\s|$)').test(el.className);
},
addClass: function (el, 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+$)/, '');
+ el.className = L.Util.trim((' ' + el.className + ' ').replace(' ' + name + ' ', ' '));
},
setOpacity: function (el, value) {
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) {}
+ try {
+ filter = el.filters.item(filterName);
+ } catch (e) {
+ // don't set opacity to 1 if we haven't already set an opacity,
+ // it isn't needed and breaks transparent pngs.
+ if (value === 1) { return; }
+ }
value = Math.round(value * 100);
setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
+ // jshint camelcase: false
el._leaflet_pos = point;
if (!disable3D && L.Browser.any3d) {
getPosition: function (el) {
// this method is only used for elements previously positioned using setPosition,
// so it's safe to cache the position for performance
+
+ // jshint camelcase: false
return el._leaflet_pos;
}
};
L.DomUtil.TRANSFORM = L.DomUtil.testProp(
['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
+// webkitTransition comes first because some browser versions that drop vendor prefix don't do
+// the same for the transitionend event, in particular the Android 4.1 stock browser
+
L.DomUtil.TRANSITION = L.DomUtil.testProp(
- ['transition', 'webkitTransition', 'OTransition', 'MozTransition', 'msTransition']);
+ ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
L.DomUtil.TRANSITION_END =
L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
L.DomUtil.TRANSITION + 'End' : 'transitionend';
+(function () {
+ var userSelectProperty = L.DomUtil.testProp(
+ ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
+
+ L.extend(L.DomUtil, {
+ disableTextSelection: function () {
+ L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
+ if (userSelectProperty) {
+ var style = document.documentElement.style;
+ this._userSelect = style[userSelectProperty];
+ style[userSelectProperty] = 'none';
+ }
+ },
+
+ enableTextSelection: function () {
+ L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
+ if (userSelectProperty) {
+ document.documentElement.style[userSelectProperty] = this._userSelect;
+ delete this._userSelect;
+ }
+ },
+
+ disableImageDrag: function () {
+ L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
+ },
+
+ enableImageDrag: function () {
+ L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
+ }
+ });
+})();
+
/*
- CM.LatLng represents a geographical point with latitude and longtitude coordinates.
-*/
+ * L.LatLng represents a geographical point with latitude and longitude coordinates.
+ */
-L.LatLng = function (rawLat, rawLng, noWrap) { // (Number, Number[, Boolean])
+L.LatLng = function (rawLat, rawLng) { // (Number, Number)
var lat = parseFloat(rawLat),
lng = parseFloat(rawLng);
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 longtitude into -180..180
- }
-
this.lat = lat;
this.lng = lng;
};
obj = L.latLng(obj);
- var margin = Math.max(Math.abs(this.lat - obj.lat), Math.abs(this.lng - obj.lng));
+ 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
+ toString: function (precision) { // (Number) -> String
return 'LatLng(' +
L.Util.formatNum(this.lat, precision) + ', ' +
L.Util.formatNum(this.lng, precision) + ')';
},
// Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
+ // TODO move to projection code, LatLng shouldn't know about Earth
distanceTo: function (other) { // (LatLng) -> Number
other = L.latLng(other);
var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+ },
+
+ wrap: function (a, b) { // (Number, Number) -> LatLng
+ var lng = this.lng;
+
+ a = a || -180;
+ b = b || 180;
+
+ lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);
+
+ return new L.LatLng(this.lat, lng);
}
};
-L.latLng = function (a, b, c) { // (LatLng) or ([Number, Number]) or (Number, Number, Boolean)
+L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)
if (a instanceof L.LatLng) {
return a;
}
- if (a instanceof Array) {
+ if (L.Util.isArray(a)) {
return new L.LatLng(a[0], a[1]);
}
- if (isNaN(a)) {
+ if (a === undefined || a === null) {
return a;
}
- return new L.LatLng(a, b, c);
+ if (typeof a === 'object' && 'lat' in a) {
+ return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
+ }
+ return new L.LatLng(a, b);
};
* L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
*/
-L.LatLngBounds = L.Class.extend({
- initialize: function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
- if (!southWest) { return; }
+L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
+ if (!southWest) { return; }
- var latlngs = northEast ? [southWest, northEast] : southWest;
+ var latlngs = northEast ? [southWest, northEast] : southWest;
- for (var i = 0, len = latlngs.length; i < len; i++) {
- this.extend(latlngs[i]);
- }
- },
+ for (var i = 0, len = latlngs.length; i < len; i++) {
+ this.extend(latlngs[i]);
+ }
+};
+L.LatLngBounds.prototype = {
// extend the bounds to contain the given point or bounds
extend: function (obj) { // (LatLng) or (LatLngBounds)
- if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+ if (!obj) { return this; }
+
+ if (typeof obj[0] === 'number' || typeof obj[0] === 'string' || obj instanceof L.LatLng) {
obj = L.latLng(obj);
} else {
obj = L.latLngBounds(obj);
if (obj instanceof L.LatLng) {
if (!this._southWest && !this._northEast) {
- this._southWest = new L.LatLng(obj.lat, obj.lng, true);
- this._northEast = new L.LatLng(obj.lat, obj.lng, true);
+ this._southWest = new L.LatLng(obj.lat, obj.lng);
+ this._northEast = new L.LatLng(obj.lat, obj.lng);
} else {
this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
},
getNorthWest: function () {
- return new L.LatLng(this._northEast.lat, this._southWest.lng, true);
+ return new L.LatLng(this.getNorth(), this.getWest());
},
getSouthEast: function () {
- return new L.LatLng(this._southWest.lat, this._northEast.lng, true);
+ return new L.LatLng(this.getSouth(), this.getEast());
+ },
+
+ getWest: function () {
+ return this._southWest.lng;
+ },
+
+ getSouth: function () {
+ return this._southWest.lat;
+ },
+
+ getEast: function () {
+ return this._northEast.lng;
+ },
+
+ getNorth: function () {
+ return this._northEast.lat;
},
contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
},
toBBoxString: function () {
- var sw = this._southWest,
- ne = this._northEast;
-
- return [sw.lng, sw.lat, ne.lng, ne.lat].join(',');
+ return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
},
equals: function (bounds) { // (LatLngBounds)
isValid: function () {
return !!(this._southWest && this._northEast);
}
-});
+};
//TODO International date line?
L.Projection = {};
+/*
+ * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.
+ */
L.Projection.SphericalMercator = {
MAX_LATITUDE: 85.0511287798,
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);
+ return new L.LatLng(lat, lng);
}
};
+/*
+ * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple.
+ */
L.Projection.LonLat = {
project: function (latlng) {
},
unproject: function (point) {
- return new L.LatLng(point.y, point.x, true);
+ return new L.LatLng(point.y, point.x);
}
};
+/*
+ * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet.
+ */
L.CRS = {
latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
};
+/*
+ * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps.
+ */
L.CRS.Simple = L.extend({}, L.CRS, {
projection: L.Projection.LonLat,
- transformation: new L.Transformation(1, 0, 1, 0)
+ transformation: new L.Transformation(1, 0, -1, 0),
+
+ scale: function (zoom) {
+ return Math.pow(2, zoom);
+ }
});
+/*
+ * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping
+ * and is used by Leaflet by default.
+ */
L.CRS.EPSG3857 = L.extend({}, L.CRS, {
code: 'EPSG:3857',
});
+/*
+ * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists.
+ */
L.CRS.EPSG4326 = L.extend({}, L.CRS, {
code: 'EPSG:4326',
this._initContainer(id);
this._initLayout();
- this._initHooks();
this._initEvents();
if (options.maxBounds) {
}
if (options.center && options.zoom !== undefined) {
- this.setView(L.latLng(options.center), options.zoom, true);
+ this.setView(L.latLng(options.center), options.zoom, {reset: true});
}
- this._initLayers(options.layers);
+ this._handlers = [];
+
+ this._layers = {};
+ this._zoomBoundLayers = {};
+ this._tileLayersNum = 0;
+
+ this.callInitHooks();
+
+ this._addLayers(options.layers);
},
return this;
},
- setZoom: function (zoom) { // (Number)
- return this.setView(this.getCenter(), zoom);
+ setZoom: function (zoom, options) {
+ return this.setView(this.getCenter(), zoom, {zoom: options});
},
- zoomIn: function (delta) {
- return this.setZoom(this._zoom + (delta || 1));
+ zoomIn: function (delta, options) {
+ return this.setZoom(this._zoom + (delta || 1), options);
},
- zoomOut: function (delta) {
- return this.setZoom(this._zoom - (delta || 1));
+ zoomOut: function (delta, options) {
+ return this.setZoom(this._zoom - (delta || 1), options);
},
- fitBounds: function (bounds) { // (LatLngBounds)
- var zoom = this.getBoundsZoom(bounds);
- return this.setView(L.latLngBounds(bounds).getCenter(), zoom);
+ setZoomAround: function (latlng, zoom, options) {
+ var scale = this.getZoomScale(zoom),
+ viewHalf = this.getSize().divideBy(2),
+ containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),
+
+ centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
+ newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));
+
+ return this.setView(newCenter, zoom, {zoom: options});
},
- fitWorld: function () {
- var sw = new L.LatLng(-60, -170),
- ne = new L.LatLng(85, 179);
+ fitBounds: function (bounds, options) {
+
+ options = options || {};
+ bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);
+
+ var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
+ paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),
+
+ zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR)),
+ paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),
+
+ swPoint = this.project(bounds.getSouthWest(), zoom),
+ nePoint = this.project(bounds.getNorthEast(), zoom),
+ center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);
+
+ return this.setView(center, zoom, options);
+ },
- return this.fitBounds(new L.LatLngBounds(sw, ne));
+ fitWorld: function (options) {
+ return this.fitBounds([[-90, -180], [90, 180]], options);
},
- panTo: function (center) { // (LatLng)
- return this.setView(center, this._zoom);
+ panTo: function (center, options) { // (LatLng)
+ return this.setView(center, this._zoom, {pan: options});
},
panBy: function (offset) { // (Point)
return this.fire('moveend');
},
- setMaxBounds: function (bounds) {
+ setMaxBounds: function (bounds, options) {
bounds = L.latLngBounds(bounds);
this.options.maxBounds = bounds;
if (!bounds) {
this._boundsMinZoom = null;
+ this.off('moveend', this._panInsideMaxBounds, this);
return this;
}
if (this._loaded) {
if (this._zoom < minZoom) {
- this.setView(bounds.getCenter(), minZoom);
+ this.setView(bounds.getCenter(), minZoom, options);
} else {
this.panInsideBounds(bounds);
}
}
+ this.on('moveend', this._panInsideMaxBounds, this);
+
return this;
},
panInsideBounds: function (bounds) {
bounds = L.latLngBounds(bounds);
- var viewBounds = this.getBounds(),
- viewSw = this.project(viewBounds.getSouthWest()),
- viewNe = this.project(viewBounds.getNorthEast()),
+ var viewBounds = this.getPixelBounds(),
+ viewSw = viewBounds.getBottomLeft(),
+ viewNe = viewBounds.getTopRight(),
sw = this.project(bounds.getSouthWest()),
ne = this.project(bounds.getNorthEast()),
dx = 0,
dy = 0;
if (viewNe.y < ne.y) { // north
- dy = ne.y - viewNe.y;
+ dy = Math.ceil(ne.y - viewNe.y);
}
if (viewNe.x > ne.x) { // east
- dx = ne.x - viewNe.x;
+ dx = Math.floor(ne.x - viewNe.x);
}
if (viewSw.y > sw.y) { // south
- dy = sw.y - viewSw.y;
+ dy = Math.floor(sw.y - viewSw.y);
}
if (viewSw.x < sw.x) { // west
- dx = sw.x - viewSw.x;
+ dx = Math.ceil(sw.x - viewSw.x);
+ }
+
+ if (dx || dy) {
+ return this.panBy([dx, dy]);
}
- return this.panBy(new L.Point(dx, dy, true));
+ return this;
},
addLayer: function (layer) {
this._layers[id] = layer;
// TODO getMaxZoom, getMinZoom in ILayer (instead of options)
- if (layer.options && !isNaN(layer.options.maxZoom)) {
- this._layersMaxZoom = Math.max(this._layersMaxZoom || 0, layer.options.maxZoom);
- }
- if (layer.options && !isNaN(layer.options.minZoom)) {
- this._layersMinZoom = Math.min(this._layersMinZoom || Infinity, layer.options.minZoom);
+ 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._tileLayersToLoad++;
+ layer.on('load', this._onTileLayerLoad, this);
}
- this.whenReady(function () {
- layer.onAdd(this);
- this.fire('layeradd', {layer: layer});
- }, this);
+ if (this._loaded) {
+ this._layerAdd(layer);
+ }
return this;
},
removeLayer: function (layer) {
var id = L.stamp(layer);
- if (!this._layers[id]) { return; }
+ if (!this._layers[id]) { return this; }
- layer.onRemove(this);
+ if (this._loaded) {
+ layer.onRemove(this);
+ }
delete this._layers[id];
+ if (this._loaded) {
+ this.fire('layerremove', {layer: layer});
+ }
+
+ 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);
+ this._tileLayersToLoad--;
+ layer.off('load', this._onTileLayerLoad, this);
}
- return this.fire('layerremove', {layer: layer});
+ return this;
},
hasLayer: function (layer) {
- var id = L.stamp(layer);
- return this._layers.hasOwnProperty(id);
+ if (!layer) { return false; }
+
+ return (L.stamp(layer) in this._layers);
},
- invalidateSize: function (animate) {
- var oldSize = this.getSize();
+ eachLayer: function (method, context) {
+ for (var i in this._layers) {
+ method.call(context, this._layers[i]);
+ }
+ return this;
+ },
+ invalidateSize: function (options) {
+ options = L.extend({
+ animate: false,
+ pan: true
+ }, options === true ? {animate: true} : options);
+
+ var oldSize = this.getSize();
this._sizeChanged = true;
+ this._initialCenter = null;
if (this.options.maxBounds) {
this.setMaxBounds(this.options.maxBounds);
if (!this._loaded) { return this; }
- var offset = oldSize._subtract(this.getSize())._divideBy(2)._round();
+ var newSize = this.getSize(),
+ offset = oldSize.subtract(newSize).divideBy(2).round();
- if (animate === true) {
+ if (!offset.x && !offset.y) { return this; }
+
+ if (options.animate && options.pan) {
this.panBy(offset);
- } else {
- this._rawPanBy(offset);
- this.fire('move');
+ } else {
+ if (options.pan) {
+ this._rawPanBy(offset);
+ }
- clearTimeout(this._sizeTimer);
- this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
+ this.fire('move').fire('moveend');
}
- return this;
+
+ return this.fire('resize', {
+ oldSize: oldSize,
+ newSize: newSize
+ });
},
// TODO handler.addTo
addHandler: function (name, HandlerClass) {
if (!HandlerClass) { return; }
- this[name] = new HandlerClass(this);
+ var handler = this[name] = new HandlerClass(this);
+
+ this._handlers.push(handler);
if (this.options[name]) {
- this[name].enable();
+ handler.enable();
}
return this;
},
+ remove: function () {
+ if (this._loaded) {
+ this.fire('unload');
+ }
- // public methods for getting map state
+ this._initEvents('off');
- getCenter: function () { // (Boolean) -> LatLng
- return this.layerPointToLatLng(this._getCenterLayerPoint());
- },
+ delete this._container._leaflet;
- getZoom: function () {
- return this._zoom;
- },
+ this._clearPanes();
+ if (this._clearControlPos) {
+ this._clearControlPos();
+ }
- getBounds: function () {
+ this._clearHandlers();
+
+ return this;
+ },
+
+
+ // public methods for getting map state
+
+ getCenter: function () { // (Boolean) -> LatLng
+ this._checkIfLoaded();
+
+ if (this._initialCenter && !this._moved()) {
+ return this._initialCenter;
+ }
+ return this.layerPointToLatLng(this._getCenterLayerPoint());
+ },
+
+ getZoom: function () {
+ return this._zoom;
+ },
+
+ getBounds: function () {
var bounds = this.getPixelBounds(),
sw = this.unproject(bounds.getBottomLeft()),
ne = this.unproject(bounds.getTopRight());
},
getMinZoom: function () {
- var z1 = this.options.minZoom || 0,
- z2 = this._layersMinZoom || 0,
- z3 = this._boundsMinZoom || 0;
-
- return Math.max(z1, z2, z3);
+ var z1 = this._layersMinZoom === undefined ? -Infinity : this._layersMinZoom,
+ z2 = this._boundsMinZoom === undefined ? -Infinity : this._boundsMinZoom;
+ return this.options.minZoom === undefined ? Math.max(z1, z2) : this.options.minZoom;
},
getMaxZoom: function () {
- var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,
- z2 = this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom;
-
- return Math.min(z1, z2);
+ return this.options.maxZoom === undefined ?
+ (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) :
+ this.options.maxZoom;
},
- getBoundsZoom: function (bounds, inside) { // (LatLngBounds, Boolean) -> Number
+ getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
bounds = L.latLngBounds(bounds);
- var size = this.getSize(),
- zoom = this.options.minZoom || 0,
+ var zoom = this.getMinZoom() - (inside ? 1 : 0),
maxZoom = this.getMaxZoom(),
- ne = bounds.getNorthEast(),
- sw = bounds.getSouthWest(),
- boundsSize,
- nePoint,
- swPoint,
- zoomNotFound = true;
+ size = this.getSize(),
- if (inside) {
- zoom--;
- }
+ nw = bounds.getNorthWest(),
+ se = bounds.getSouthEast(),
+
+ zoomNotFound = true,
+ boundsSize;
+
+ padding = L.point(padding || [0, 0]);
do {
zoom++;
- nePoint = this.project(ne, zoom);
- swPoint = this.project(sw, zoom);
+ boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding);
+ zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;
- 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) {
},
getPixelOrigin: function () {
+ this._checkIfLoaded();
return this._initialTopLeftPoint;
},
},
layerPointToLatLng: function (point) { // (Point)
- var projectedPoint = L.point(point).add(this._initialTopLeftPoint);
+ var projectedPoint = L.point(point).add(this.getPixelOrigin());
return this.unproject(projectedPoint);
},
latLngToLayerPoint: function (latlng) { // (LatLng)
var projectedPoint = this.project(L.latLng(latlng))._round();
- return projectedPoint._subtract(this._initialTopLeftPoint);
+ return projectedPoint._subtract(this.getPixelOrigin());
},
containerPointToLayerPoint: function (point) { // (Point)
_initContainer: function (id) {
var container = this._container = L.DomUtil.get(id);
- if (container._leaflet) {
- throw new Error("Map container is already initialized.");
+ if (!container) {
+ throw new Error('Map container not found.');
+ } else if (container._leaflet) {
+ throw new Error('Map container is already initialized.');
}
container._leaflet = true;
_initLayout: function () {
var container = this._container;
- 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');
- }
+ L.DomUtil.addClass(container, 'leaflet-container' +
+ (L.Browser.touch ? ' leaflet-touch' : '') +
+ (L.Browser.retina ? ' leaflet-retina' : '') +
+ (this.options.fadeAnimation ? ' leaflet-fade-anim' : ''));
var position = L.DomUtil.getStyle(container, 'position');
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);
- }
+ _clearPanes: function () {
+ this._container.removeChild(this._mapPane);
},
- _initLayers: function (layers) {
- layers = layers ? (layers instanceof Array ? layers : [layers]) : [];
-
- this._layers = {};
- this._tileLayersNum = 0;
-
- var i, len;
+ _addLayers: function (layers) {
+ layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];
- for (i = 0, len = layers.length; i < len; i++) {
+ for (var i = 0, len = layers.length; i < len; i++) {
this.addLayer(layers[i]);
}
},
}
this._zoom = zoom;
+ this._initialCenter = center;
this._initialTopLeftPoint = this._getNewTopLeftPoint(center);
var loading = !this._loaded;
this._loaded = true;
+ if (loading) {
+ this.fire('load');
+ this.eachLayer(this._layerAdd, this);
+ }
+
this.fire('viewreset', {hard: !preserveMapOffset});
this.fire('move');
}
this.fire('moveend', {hard: !preserveMapOffset});
-
- if (loading) {
- this.fire('load');
- }
},
_rawPanBy: function (offset) {
L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
},
+ _getZoomSpan: function () {
+ return this.getMaxZoom() - this.getMinZoom();
+ },
+
+ _updateZoomLevels: function () {
+ var i,
+ minZoom = Infinity,
+ maxZoom = -Infinity,
+ oldZoomSpan = this._getZoomSpan();
+
+ for (i in this._zoomBoundLayers) {
+ var layer = this._zoomBoundLayers[i];
+ if (!isNaN(layer.options.minZoom)) {
+ minZoom = Math.min(minZoom, layer.options.minZoom);
+ }
+ if (!isNaN(layer.options.maxZoom)) {
+ maxZoom = Math.max(maxZoom, layer.options.maxZoom);
+ }
+ }
+
+ if (i === undefined) { // we have no tilelayers
+ this._layersMaxZoom = this._layersMinZoom = undefined;
+ } else {
+ this._layersMaxZoom = maxZoom;
+ this._layersMinZoom = minZoom;
+ }
+
+ if (oldZoomSpan !== this._getZoomSpan()) {
+ this.fire('zoomlevelschange');
+ }
+ },
+
+ _panInsideMaxBounds: function () {
+ this.panInsideBounds(this.options.maxBounds);
+ },
+
+ _checkIfLoaded: function () {
+ if (!this._loaded) {
+ throw new Error('Set map center and zoom first.');
+ }
+ },
// map events
- _initEvents: function () {
+ _initEvents: function (onOff) {
if (!L.DomEvent) { return; }
- L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
+ onOff = onOff || 'on';
+
+ L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);
var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
'mouseleave', 'mousemove', 'contextmenu'],
i, len;
for (i = 0, len = events.length; i < len; i++) {
- L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
+ L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this);
}
if (this.options.trackResize) {
- L.DomEvent.on(window, 'resize', this._onResize, this);
+ L.DomEvent[onOff](window, 'resize', this._onResize, this);
}
},
},
_onMouseClick: function (e) {
- if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }
+ if (!this._loaded || (!e._simulated && this.dragging && this.dragging.moved()) ||
+ L.DomEvent._skipped(e)) { return; }
this.fire('preclick');
this._fireMouseEvent(e);
},
_fireMouseEvent: function (e) {
- if (!this._loaded) { return; }
+ if (!this._loaded || L.DomEvent._skipped(e)) { return; }
var type = e.type;
},
_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);
+ if (this._tileLayersNum && !this._tileLayersToLoad) {
+ this.fire('tilelayersload');
+ }
+ },
+
+ _clearHandlers: function () {
+ for (var i = 0, len = this._handlers.length; i < len; i++) {
+ this._handlers[i].disable();
}
},
return this;
},
+ _layerAdd: function (layer) {
+ layer.onAdd(this);
+ this.fire('layeradd', {layer: layer});
+ },
+
// private methods for getting map state
return L.DomUtil.getPosition(this._mapPane);
},
- _getTopLeftPoint: function () {
- if (!this._loaded) {
- throw new Error('Set map center and zoom first.');
- }
+ _moved: function () {
+ var pos = this._getMapPanePos();
+ return pos && !pos.equals([0, 0]);
+ },
- return this._initialTopLeftPoint.subtract(this._getMapPanePos());
+ _getTopLeftPoint: function () {
+ return this.getPixelOrigin().subtract(this._getMapPanePos());
},
_getNewTopLeftPoint: function (center, zoom) {
return this.project(latlng, newZoom)._subtract(topLeft);
},
+ // layer point of the current center
_getCenterLayerPoint: function () {
return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
},
- _getCenterOffset: function (center) {
- return this.latLngToLayerPoint(center).subtract(this._getCenterLayerPoint());
+ // offset of the specified place to the current center in pixels
+ _getCenterOffset: function (latlng) {
+ return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
},
_limitZoom: function (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);
};
+/*
+ * Mercator projection that takes into account that the Earth is not a perfect sphere.
+ * Less popular than spherical mercator; used by projections like EPSG:3395.
+ */
L.Projection.Mercator = {
MAX_LATITUDE: 85.0840591556,
- R_MINOR: 6356752.3142,
+ R_MINOR: 6356752.314245179,
R_MAJOR: 6378137,
project: function (latlng) { // (LatLng) -> Point
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);
+ y = -r * Math.log(ts);
return new L.Point(x, y);
},
lng = point.x * d / r,
tmp = r2 / r,
eccent = Math.sqrt(1 - (tmp * tmp)),
- ts = Math.exp(- point.y / r2),
+ ts = Math.exp(- point.y / r),
phi = (Math.PI / 2) - 2 * Math.atan(ts),
numIter = 15,
tol = 1e-7,
phi += dphi;
}
- return new L.LatLng(phi * d, lng, true);
+ return new L.LatLng(phi * d, lng);
}
};
zoomReverse: false,
detectRetina: false,
reuseTiles: false,
+ bounds: false,
*/
unloadInvisibleTiles: L.Browser.mobile,
updateWhenIdle: L.Browser.mobile
this.options.maxZoom--;
}
+ if (options.bounds) {
+ options.bounds = L.latLngBounds(options.bounds);
+ }
+
this._url = url;
var subdomains = this.options.subdomains;
onAdd: function (map) {
this._map = map;
+ this._animated = map._zoomAnimated;
// create a container div for tiles
this._initContainer();
// set up events
map.on({
- 'viewreset': this._resetCallback,
+ 'viewreset': this._reset,
'moveend': this._update
}, this);
+ if (this._animated) {
+ map.on({
+ 'zoomanim': this._animateZoom,
+ 'zoomend': this._endZoomAnim
+ }, this);
+ }
+
if (!this.options.updateWhenIdle) {
this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
map.on('move', this._limitedUpdate, this);
},
onRemove: function (map) {
- map._panes.tilePane.removeChild(this._container);
+ this._container.parentNode.removeChild(this._container);
map.off({
- 'viewreset': this._resetCallback,
+ 'viewreset': this._reset,
'moveend': this._update
}, this);
+ if (this._animated) {
+ map.off({
+ 'zoomanim': this._animateZoom,
+ 'zoomend': this._endZoomAnim
+ }, this);
+ }
+
if (!this.options.updateWhenIdle) {
map.off('move', this._limitedUpdate, this);
}
return this.options.attribution;
},
+ getContainer: function () {
+ return this._container;
+ },
+
setOpacity: function (opacity) {
this.options.opacity = opacity;
redraw: function () {
if (this._map) {
- this._map._panes.tilePane.empty = false;
- this._reset(true);
+ this._reset({hard: true});
this._update();
}
return this;
_setAutoZIndex: function (pane, compare) {
- var layers = pane.getElementsByClassName('leaflet-layer'),
- edgeZIndex = -compare(Infinity, -Infinity), // -Ifinity for max, Infinity for min
+ var layers = pane.children,
+ edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min
zIndex, i, len;
for (i = 0, len = layers.length; i < len; i++) {
},
_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) {
+ if (L.Browser.ielt9) {
for (i in tiles) {
- if (tiles.hasOwnProperty(i)) {
- tiles[i].style.webkitTransform += ' translate(0,0)';
- }
+ L.DomUtil.setOpacity(tiles[i], this.options.opacity);
}
+ } else {
+ L.DomUtil.setOpacity(this._container, this.options.opacity);
}
},
_initContainer: function () {
var tilePane = this._map._panes.tilePane;
- if (!this._container || tilePane.empty) {
+ if (!this._container) {
this._container = L.DomUtil.create('div', 'leaflet-layer');
this._updateZIndex();
+ if (this._animated) {
+ var className = 'leaflet-tile-container leaflet-zoom-animated';
+
+ this._bgBuffer = L.DomUtil.create('div', className, this._container);
+ this._tileContainer = L.DomUtil.create('div', className, this._container);
+
+ } else {
+ this._tileContainer = this._container;
+ }
+
tilePane.appendChild(this._container);
if (this.options.opacity < 1) {
}
},
- _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]});
- }
+ _reset: function (e) {
+ for (var key in this._tiles) {
+ this.fire('tileunload', {tile: this._tiles[key]});
}
this._tiles = {};
this._unusedTiles = [];
}
- if (clearOldContainer && this._container) {
- this._container.innerHTML = "";
+ this._tileContainer.innerHTML = '';
+
+ if (this._animated && e && e.hard) {
+ this._clearBgBuffer();
}
this._initContainer();
},
- _update: function (e) {
+ _update: function () {
if (!this._map) { return; }
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);
+ var tileBounds = L.bounds(
+ bounds.min.divideBy(tileSize)._floor(),
+ bounds.max.divideBy(tileSize)._floor());
this._addTilesFromCenterOut(tileBounds);
this._addTile(queue[i], fragment);
}
- this._container.appendChild(fragment);
+ this._tileContainer.appendChild(fragment);
},
_tileShouldBeLoaded: function (tilePoint) {
return false; // already loaded
}
- if (!this.options.continuousWorld) {
+ var options = this.options;
+
+ if (!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
+ // don't load if exceeds world bounds
+ if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit)) ||
+ tilePoint.y < 0 || tilePoint.y >= limit) { return false; }
+ }
+
+ if (options.bounds) {
+ var tileSize = options.tileSize,
+ nwPoint = tilePoint.multiplyBy(tileSize),
+ sePoint = nwPoint.add([tileSize, tileSize]),
+ nw = this._map.unproject(nwPoint),
+ se = this._map.unproject(sePoint);
+
+ // TODO temporary hack, will be removed after refactoring projections
+ // https://github.com/Leaflet/Leaflet/issues/1618
+ if (!options.continuousWorld && !options.noWrap) {
+ nw = nw.wrap();
+ se = se.wrap();
}
+
+ if (!options.bounds.intersects([nw, se])) { return false; }
}
return true;
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);
- }
+ 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});
+ 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);
+ } else if (tile.parentNode === this._tileContainer) {
+ this._tileContainer.removeChild(tile);
}
// for https://github.com/CloudMade/Leaflet/issues/137
if (!L.Browser.android) {
+ tile.onload = null;
tile.src = L.Util.emptyImageUrl;
}
/*
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
this._loadTile(tile, tilePoint);
- if (tile.parentNode !== this._container) {
+ if (tile.parentNode !== this._tileContainer) {
container.appendChild(tile);
}
},
// 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(),
+ z: tilePoint.z,
x: tilePoint.x,
y: tilePoint.y
}, this.options));
if (this.options.tms) {
tilePoint.y = limit - tilePoint.y - 1;
}
+
+ tilePoint.z = this._getZoomForUrl();
},
_getSubdomain: function (tilePoint) {
- var index = (tilePoint.x + tilePoint.y) % this.options.subdomains.length;
+ var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
return this.options.subdomains[index];
},
return this._createTile();
},
- _resetTile: function (tile) {
- // Override if data stored on a tile needs to be cleaned up before reuse
- },
+ // Override if data stored on a tile needs to be cleaned up before reuse
+ _resetTile: function (/*tile*/) {},
_createTile: function () {
var tile = this._tileImg.cloneNode(false);
tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+
+ if (L.Browser.ielt9 && this.options.opacity !== undefined) {
+ L.DomUtil.setOpacity(tile, this.options.opacity);
+ }
return tile;
},
tile.onload = this._tileOnLoad;
tile.onerror = this._tileOnError;
+ this._adjustTilePoint(tilePoint);
tile.src = this.getTileUrl(tilePoint);
},
- _tileLoaded: function () {
- this._tilesToLoad--;
- if (!this._tilesToLoad) {
- this.fire('load');
- }
- },
+ _tileLoaded: function () {
+ this._tilesToLoad--;
+ if (!this._tilesToLoad) {
+ this.fire('load');
+
+ if (this._animated) {
+ // clear scaled tiles after all new tiles are loaded (for performance)
+ clearTimeout(this._clearBgBufferTimer);
+ this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500);
+ }
+ }
+ },
- _tileOnLoad: function (e) {
+ _tileOnLoad: function () {
var layer = this._layer;
//Only if we are loading an actual image
layer._tileLoaded();
},
- _tileOnError: function (e) {
+ _tileOnError: function () {
var layer = this._layer;
layer.fire('tileerror', {
this.src = newUrl;
}
- layer._tileLoaded();
- }
+ layer._tileLoaded();
+ }
});
L.tileLayer = function (url, options) {
};
+/*
+ * L.TileLayer.WMS is used for putting WMS tile layers on the map.
+ */
+
L.TileLayer.WMS = L.TileLayer.extend({
defaultWmsParams: {
this._url = url;
- var wmsParams = L.extend({}, this.defaultWmsParams);
+ var wmsParams = L.extend({}, this.defaultWmsParams),
+ tileSize = options.tileSize || this.options.tileSize;
if (options.detectRetina && L.Browser.retina) {
- wmsParams.width = wmsParams.height = this.options.tileSize * 2;
+ wmsParams.width = wmsParams.height = tileSize * 2;
} else {
- wmsParams.width = wmsParams.height = this.options.tileSize;
+ wmsParams.width = wmsParams.height = tileSize;
}
for (var i in options) {
// all keys that are not TileLayer options go to WMS params
- if (!this.options.hasOwnProperty(i)) {
+ if (!this.options.hasOwnProperty(i) && i !== 'crs') {
wmsParams[i] = options[i];
}
}
onAdd: function (map) {
+ this._crs = this.options.crs || map.options.crs;
+
var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';
- this.wmsParams[projectionKey] = map.options.crs.code;
+ this.wmsParams[projectionKey] = this._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)),
+ sePoint = nwPoint.add([tileSize, tileSize]),
- nw = crs.project(map.unproject(nwPoint, zoom)),
- se = crs.project(map.unproject(sePoint, zoom)),
+ nw = this._crs.project(map.unproject(nwPoint, zoom)),
+ se = this._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;
+ return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox;
},
setParams: function (params, noRedraw) {
};
+/*
+ * L.TileLayer.Canvas is a class that you can use as a base for creating
+ * dynamically drawn Canvas-based tile layers.
+ */
+
L.TileLayer.Canvas = L.TileLayer.extend({
options: {
async: false
},
redraw: function () {
- var tiles = this._tiles;
-
- for (var i in tiles) {
- if (tiles.hasOwnProperty(i)) {
- this._redrawTile(tiles[i]);
- }
+ if (this._map) {
+ this._reset({hard: true});
+ this._update();
}
+
+ for (var i in this._tiles) {
+ this._redrawTile(this._tiles[i]);
+ }
+ return this;
},
_redrawTile: function (tile) {
}
},
- drawTile: function (tile, tilePoint) {
+ drawTile: function (/*tile, tilePoint*/) {
// override with rendering code
},
};
+/*
+ * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
+ */
+
L.ImageOverlay = L.Class.extend({
includes: L.Mixin.Events,
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));
+ origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));
image.style[L.DomUtil.TRANSFORM] =
L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
_reset: function () {
var image = this._image,
topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
- size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
+ size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
L.DomUtil.setPosition(image, topLeft);
};
+/*
+ * L.Icon is an image-based icon class that you can use with L.Marker for custom markers.
+ */
+
L.Icon = L.Class.extend({
options: {
/*
iconUrl: (String) (required)
+ iconRetinaUrl: (String) (optional, used for retina devices if detected)
iconSize: (Point) (can be set through CSS)
iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
popupAnchor: (Point) (if not specified, popup opens in the anchor point)
- shadowUrl: (Point) (no shadow by default)
+ shadowUrl: (String) (no shadow by default)
+ shadowRetinaUrl: (String) (optional, used for retina devices if detected)
shadowSize: (Point)
shadowAnchor: (Point)
*/
L.setOptions(this, options);
},
- createIcon: function () {
- return this._createIcon('icon');
+ createIcon: function (oldIcon) {
+ return this._createIcon('icon', oldIcon);
},
- createShadow: function () {
- return this._createIcon('shadow');
+ createShadow: function (oldIcon) {
+ return this._createIcon('shadow', oldIcon);
},
- _createIcon: function (name) {
+ _createIcon: function (name, oldIcon) {
var src = this._getIconUrl(name);
if (!src) {
if (name === 'icon') {
- throw new Error("iconUrl not set in Icon options (see the docs).");
+ throw new Error('iconUrl not set in Icon options (see the docs).');
}
return null;
}
- var img = this._createImg(src);
+ var img;
+ if (!oldIcon || oldIcon.tagName !== 'IMG') {
+ img = this._createImg(src);
+ } else {
+ img = this._createImg(src, oldIcon);
+ }
this._setIconStyles(img, name);
return img;
}
},
- _createImg: function (src) {
- var el;
+ _createImg: function (src, el) {
if (!L.Browser.ie6) {
- el = document.createElement('img');
+ if (!el) {
+ el = document.createElement('img');
+ }
el.src = src;
} else {
- el = document.createElement('div');
+ if (!el) {
+ el = document.createElement('div');
+ }
el.style.filter =
'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
}
},
_getIconUrl: function (name) {
+ if (L.Browser.retina && this.options[name + 'RetinaUrl']) {
+ return this.options[name + 'RetinaUrl'];
+ }
return this.options[name + 'Url'];
}
});
};
+/*
+ * L.Icon.Default is the blue marker icon used by default in Leaflet.
+ */
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),
+ iconSize: [25, 41],
+ iconAnchor: [12, 41],
+ popupAnchor: [1, -34],
- shadowSize: new L.Point(41, 41)
+ shadowSize: [41, 41]
},
_getIconUrl: function (name) {
return this.options[key];
}
+ if (L.Browser.retina && name === 'icon') {
+ name += '-2x';
+ }
+
var path = L.Icon.Default.imagePath;
if (!path) {
- throw new Error("Couldn't autodetect L.Icon.Default.imagePath, set it manually.");
+ 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\??/;
+ leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;
- var i, len, src, matches;
+ var i, len, src, matches, path;
for (i = 0, len = scripts.length; i < len; i++) {
src = scripts[i].src;
matches = src.match(leafletRe);
if (matches) {
- return src.split(leafletRe)[0] + '/images';
+ path = src.split(leafletRe)[0];
+ return (path ? path + '/' : '') + 'images';
}
}
}());
title: '',
clickable: true,
draggable: false,
+ keyboard: true,
zIndexOffset: 0,
opacity: 1,
riseOnHover: false,
},
onRemove: function (map) {
+ if (this.dragging) {
+ this.dragging.disable();
+ }
+
this._removeIcon();
+ this._removeShadow();
this.fire('remove');
this.update();
- this.fire('move', { latlng: this._latlng });
+ return this.fire('move', { latlng: this._latlng });
},
setZIndexOffset: function (offset) {
this.options.zIndexOffset = offset;
this.update();
+
+ return this;
},
setIcon: function (icon) {
- if (this._map) {
- this._removeIcon();
- }
this.options.icon = icon;
this._initIcon();
this.update();
}
+
+ return this;
},
update: function () {
- if (!this._icon) { return; }
+ if (this._icon) {
+ var pos = this._map.latLngToLayerPoint(this._latlng).round();
+ this._setPos(pos);
+ }
- var pos = this._map.latLngToLayerPoint(this._latlng).round();
- this._setPos(pos);
+ return this;
},
_initIcon: function () {
var options = this.options,
map = this._map,
animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
- classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide',
- needOpacityUpdate = false;
+ classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide';
+
+ var icon = options.icon.createIcon(this._icon),
+ addIcon = false;
- if (!this._icon) {
- this._icon = options.icon.createIcon();
+ // if we're not reusing the icon, remove the old one and init new one
+ if (icon !== this._icon) {
+ if (this._icon) {
+ this._removeIcon();
+ }
+ addIcon = true;
if (options.title) {
- this._icon.title = options.title;
+ icon.title = options.title;
}
+ }
- this._initInteraction();
- needOpacityUpdate = (this.options.opacity < 1);
+ L.DomUtil.addClass(icon, classToAdd);
- L.DomUtil.addClass(this._icon, classToAdd);
+ if (options.keyboard) {
+ icon.tabIndex = '0';
+ }
- if (options.riseOnHover) {
- L.DomEvent
- .on(this._icon, 'mouseover', this._bringToFront, this)
- .on(this._icon, 'mouseout', this._resetZIndex, this);
- }
+ this._icon = icon;
+
+ this._initInteraction();
+
+ if (options.riseOnHover) {
+ L.DomEvent
+ .on(icon, 'mouseover', this._bringToFront, this)
+ .on(icon, 'mouseout', this._resetZIndex, this);
}
- if (!this._shadow) {
- this._shadow = options.icon.createShadow();
+ var newShadow = options.icon.createShadow(this._shadow),
+ addShadow = false;
- if (this._shadow) {
- L.DomUtil.addClass(this._shadow, classToAdd);
- needOpacityUpdate = (this.options.opacity < 1);
- }
+ if (newShadow !== this._shadow) {
+ this._removeShadow();
+ addShadow = true;
+ }
+
+ if (newShadow) {
+ L.DomUtil.addClass(newShadow, classToAdd);
}
+ this._shadow = newShadow;
+
- if (needOpacityUpdate) {
+ if (options.opacity < 1) {
this._updateOpacity();
}
+
var panes = this._map._panes;
- panes.markerPane.appendChild(this._icon);
+ if (addIcon) {
+ panes.markerPane.appendChild(this._icon);
+ }
- if (this._shadow) {
+ if (newShadow && addShadow) {
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);
+ this._map._panes.markerPane.removeChild(this._icon);
+
+ this._icon = null;
+ },
+ _removeShadow: function () {
if (this._shadow) {
- panes.shadowPane.removeChild(this._shadow);
+ this._map._panes.shadowPane.removeChild(this._shadow);
}
-
- this._icon = this._shadow = null;
+ this._shadow = null;
},
_setPos: function (pos) {
},
_initInteraction: function () {
- if (!this.options.clickable) {
- return;
- }
+
+ 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'];
+ events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];
L.DomUtil.addClass(icon, 'leaflet-clickable');
L.DomEvent.on(icon, 'click', this._onMouseClick, this);
+ L.DomEvent.on(icon, 'keypress', this._onKeyPress, this);
for (var i = 0; i < events.length; i++) {
L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
_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; }
+
+ if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; }
+
this.fire(e.type, {
- originalEvent: e
+ originalEvent: e,
+ latlng: this._latlng
});
},
+ _onKeyPress: function (e) {
+ if (e.keyCode === 13) {
+ this.fire('click', {
+ originalEvent: e,
+ latlng: this._latlng
+ });
+ }
+ },
+
_fireMouseEvent: function (e) {
+
this.fire(e.type, {
- originalEvent: e
+ originalEvent: e,
+ latlng: this._latlng
});
+
+ // TODO proper custom event propagation
+ // this line will always be called if marker is in a FeatureGroup
+ if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) {
+ L.DomEvent.preventDefault(e);
+ }
if (e.type !== 'mousedown') {
L.DomEvent.stopPropagation(e);
+ } else {
+ L.DomEvent.preventDefault(e);
}
},
if (this._map) {
this._updateOpacity();
}
+
+ return this;
},
_updateOpacity: function () {
};
+/*
+ * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon)
+ * to use with L.Marker.
+ */
+
L.DivIcon = L.Icon.extend({
options: {
- iconSize: new L.Point(12, 12), // also can be set through CSS
+ iconSize: [12, 12], // also can be set through CSS
/*
iconAnchor: (Point)
popupAnchor: (Point)
html: (String)
bgPos: (Point)
*/
- className: 'leaflet-div-icon'
+ className: 'leaflet-div-icon',
+ html: false
},
- createIcon: function () {
- var div = document.createElement('div'),
+ createIcon: function (oldIcon) {
+ var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
options = this.options;
- if (options.html) {
+ if (options.html !== false) {
div.innerHTML = options.html;
+ } else {
+ div.innerHTML = '';
}
if (options.bgPos) {
};
+/*
+ * L.Popup is used for displaying popups on the map.
+ */
L.Map.mergeOptions({
closePopupOnClick: true
maxHeight: null,
autoPan: true,
closeButton: true,
- offset: new L.Point(0, 6),
- autoPanPadding: new L.Point(5, 5),
- className: ''
+ offset: [0, 7],
+ autoPanPadding: [5, 5],
+ keepInView: false,
+ className: '',
+ zoomAnimation: true
},
initialize: function (options, source) {
L.setOptions(this, options);
this._source = source;
+ this._animated = L.Browser.any3d && this.options.zoomAnimation;
+ this._isOpen = false;
},
onAdd: function (map) {
}
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);
- }
+ map.on(this._getEvents(), this);
this._update();
if (animFade) {
L.DomUtil.setOpacity(this._container, 1);
}
+
+ this.fire('open');
+
+ map.fire('popupopen', {popup: this});
+
+ if (this._source) {
+ this._source.fire('popupopen', {popup: this});
+ }
},
addTo: function (map) {
L.Util.falseFn(this._container.offsetWidth); // force reflow
- map.off({
- viewreset: this._updatePosition,
- preclick: this._close,
- zoomanim: this._zoomAnimation
- }, this);
+ map.off(this._getEvents(), this);
if (map.options.fadeAnimation) {
L.DomUtil.setOpacity(this._container, 0);
}
this._map = null;
+
+ this.fire('close');
+
+ map.fire('popupclose', {popup: this});
+
+ if (this._source) {
+ this._source.fire('popupclose', {popup: this});
+ }
},
setLatLng: function (latlng) {
return this;
},
- _close: function () {
- var map = this._map;
-
- if (map) {
- map._popup = null;
+ _getEvents: function () {
+ var events = {
+ viewreset: this._updatePosition
+ };
- map
- .removeLayer(this)
- .fire('popupclose', {popup: this});
+ if (this._animated) {
+ events.zoomanim = this._zoomAnimation;
+ }
+ if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
+ events.preclick = this._close;
+ }
+ if (this.options.keepInView) {
+ events.moveend = this._adjustPan;
+ }
+
+ return events;
+ },
+
+ _close: function () {
+ if (this._map) {
+ this._map.closePopup(this);
}
},
_initLayout: function () {
var prefix = 'leaflet-popup',
- containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-animated',
+ containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' +
+ (this._animated ? 'animated' : 'hide'),
container = this._container = L.DomUtil.create('div', containerClass),
closeButton;
L.DomUtil.create('a', prefix + '-close-button', container);
closeButton.href = '#close';
closeButton.innerHTML = '×';
+ L.DomEvent.disableClickPropagation(closeButton);
L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
}
this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
L.DomEvent.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);
-
+ L.DomEvent.on(this._contentNode, 'MozMousePixelScroll', L.DomEvent.stopPropagation);
+ L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);
this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
},
if (!this._map) { return; }
var pos = this._map.latLngToLayerPoint(this._latlng),
- is3d = L.Browser.any3d,
- offset = this.options.offset;
+ animated = this._animated,
+ offset = L.point(this.options.offset);
- if (is3d) {
+ if (animated) {
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);
+ this._containerBottom = -offset.y - (animated ? 0 : pos.y);
+ this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);
- //Bottom position the popup in case the height of the popup changes (images loading etc)
+ // 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';
},
layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
- if (L.Browser.any3d) {
+ if (this._animated) {
layerPos._add(L.DomUtil.getPosition(this._container));
}
var containerPos = map.layerPointToContainerPoint(layerPos),
- padding = this.options.autoPanPadding,
+ padding = L.point(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) {
+ if (containerPos.x + containerWidth > size.x) { // right
dx = containerPos.x + containerWidth - size.x + padding.x;
}
- if (containerPos.y < 0) {
- dy = containerPos.y - padding.y;
+ if (containerPos.x - dx < 0) { // left
+ dx = containerPos.x - padding.x;
}
- if (containerPos.y + containerHeight > size.y) {
+ if (containerPos.y + containerHeight > size.y) { // bottom
dy = containerPos.y + containerHeight - size.y + padding.y;
}
+ if (containerPos.y - dy < 0) { // top
+ dy = containerPos.y - padding.y;
+ }
if (dx || dy) {
- map.panBy(new L.Point(dx, dy));
+ map
+ .fire('autopanstart')
+ .panBy([dx, dy]);
}
},
};
+L.Map.include({
+ openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])
+ this.closePopup();
+
+ if (!(popup instanceof L.Popup)) {
+ var content = popup;
+
+ popup = new L.Popup(options)
+ .setLatLng(latlng)
+ .setContent(content);
+ }
+ popup._isOpen = true;
+
+ this._popup = popup;
+ return this.addLayer(popup);
+ },
+
+ closePopup: function (popup) {
+ if (!popup || popup === this._popup) {
+ popup = this._popup;
+ this._popup = null;
+ }
+ if (popup) {
+ this.removeLayer(popup);
+ popup._isOpen = false;
+ }
+ return this;
+ }
+});
+
+
/*
- * Popup extension to L.Marker, adding openPopup & bindPopup methods.
+ * Popup extension to L.Marker, adding popup-related methods.
*/
L.Marker.include({
openPopup: function () {
- if (this._popup && this._map) {
+ if (this._popup && this._map && !this._map.hasLayer(this._popup)) {
this._popup.setLatLng(this._latlng);
this._map.openPopup(this._popup);
}
return this;
},
+ togglePopup: function () {
+ if (this._popup) {
+ if (this._popup._isOpen) {
+ this.closePopup();
+ } else {
+ this.openPopup();
+ }
+ }
+ return this;
+ },
+
bindPopup: function (content, options) {
- var anchor = L.point(this.options.icon.options.popupAnchor) || new L.Point(0, 0);
+ var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);
anchor = anchor.add(L.Popup.prototype.options.offset);
if (!this._popup) {
this
- .on('click', this.openPopup, this)
+ .on('click', this.togglePopup, this)
.on('remove', this.closePopup, this)
.on('move', this._movePopup, this);
}
- this._popup = new L.Popup(options, this)
- .setContent(content);
+ if (content instanceof L.Popup) {
+ L.setOptions(content, options);
+ this._popup = content;
+ } else {
+ this._popup = new L.Popup(options, this)
+ .setContent(content);
+ }
+
+ return this;
+ },
+ setPopupContent: function (content) {
+ if (this._popup) {
+ this._popup.setContent(content);
+ }
return this;
},
if (this._popup) {
this._popup = null;
this
- .off('click', this.openPopup)
+ .off('click', this.togglePopup)
.off('remove', this.closePopup)
.off('move', this._movePopup);
}
});
-
-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 is a class to combine several layers into one so that
+ * you can manipulate the group (e.g. add/remove it) as one layer.
*/
L.LayerGroup = L.Class.extend({
},
addLayer: function (layer) {
- var id = L.stamp(layer);
+ var id = this.getLayerId(layer);
this._layers[id] = layer;
},
removeLayer: function (layer) {
- var id = L.stamp(layer);
-
- delete this._layers[id];
+ var id = layer in this._layers ? layer : this.getLayerId(layer);
- if (this._map) {
- this._map.removeLayer(layer);
+ if (this._map && this._layers[id]) {
+ this._map.removeLayer(this._layers[id]);
}
+ delete this._layers[id];
+
return this;
},
+ hasLayer: function (layer) {
+ if (!layer) { return false; }
+
+ return (layer in this._layers || this.getLayerId(layer) in this._layers);
+ },
+
clearLayers: function () {
this.eachLayer(this.removeLayer, this);
return this;
i, layer;
for (i in this._layers) {
- if (this._layers.hasOwnProperty(i)) {
- layer = this._layers[i];
+ layer = this._layers[i];
- if (layer[methodName]) {
- layer[methodName].apply(layer, args);
- }
+ if (layer[methodName]) {
+ layer[methodName].apply(layer, args);
}
}
eachLayer: function (method, context) {
for (var i in this._layers) {
- if (this._layers.hasOwnProperty(i)) {
- method.call(context, this._layers[i]);
- }
+ method.call(context, this._layers[i]);
}
+ return this;
+ },
+
+ getLayer: function (id) {
+ return this._layers[id];
+ },
+
+ getLayers: function () {
+ var layers = [];
+
+ for (var i in this._layers) {
+ layers.push(this._layers[i]);
+ }
+ return layers;
+ },
+
+ setZIndex: function (zIndex) {
+ return this.invoke('setZIndex', zIndex);
+ },
+
+ getLayerId: function (layer) {
+ return L.stamp(layer);
}
});
/*
- * L.FeatureGroup extends L.LayerGroup by introducing mouse events and bindPopup method shared between a group of layers.
+ * L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods
+ * shared between a group of interactive layers (like vectors or markers).
*/
L.FeatureGroup = L.LayerGroup.extend({
includes: L.Mixin.Events,
statics: {
- EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu'
+ EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose'
},
addLayer: function (layer) {
- if (this._layers[L.stamp(layer)]) {
+ if (this.hasLayer(layer)) {
return this;
}
L.LayerGroup.prototype.addLayer.call(this, layer);
if (this._popupContent && layer.bindPopup) {
- layer.bindPopup(this._popupContent);
+ layer.bindPopup(this._popupContent, this._popupOptions);
}
return this.fire('layeradd', {layer: layer});
},
removeLayer: function (layer) {
+ if (!this.hasLayer(layer)) {
+ return this;
+ }
+ if (layer in this._layers) {
+ layer = this._layers[layer];
+ }
+
layer.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) {
+ bindPopup: function (content, options) {
this._popupContent = content;
- return this.invoke('bindPopup', content);
+ this._popupOptions = options;
+ return this.invoke('bindPopup', content, options);
},
setStyle: function (style) {
},
_propagateEvent: function (e) {
- e.layer = e.target;
+ if (!e.layer) {
+ e.layer = e.target;
+ }
e.target = this;
this.fire(e.type, e);
// 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
+ CLIP_PADDING: (function () {
+ var max = L.Browser.mobile ? 1280 : 2000,
+ target = (max / Math.max(window.outerWidth, window.outerHeight) - 1) / 2;
+ return Math.max(0, Math.min(0.5, target));
+ })()
},
options: {
this._map._pathRoot.appendChild(this._container);
}
+ this.fire('add');
+
map.on({
'viewreset': this.projectLatlngs,
'moveend': this._updatePath
onRemove: function (map) {
map._pathRoot.removeChild(this._container);
+ // Need to fire remove event before we set _map to null as the event hooks might need the object
+ this.fire('remove');
this._map = null;
if (L.Browser.vml) {
this._fill = null;
}
- this.fire('remove');
-
map.off({
'viewreset': this.projectLatlngs,
'moveend': this._updatePath
});
+/*
+ * Extends L.Path with SVG-specific rendering code.
+ */
+
L.Path.SVG_NS = 'http://www.w3.org/2000/svg';
L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);
if (this.options.fill) {
this._path.setAttribute('fill-rule', 'evenodd');
}
+ if (this.options.pointerEvents) {
+ this._path.setAttribute('pointer-events', this.options.pointerEvents);
+ }
+ if (!this.options.clickable && !this.options.pointerEvents) {
+ this._path.setAttribute('pointer-events', 'none');
+ }
this._updateStyle();
},
}
},
- _animatePathZoom: function (opt) {
- var scale = this.getZoomScale(opt.zoom),
- offset = this._getCenterOffset(opt.center),
- translate = offset.multiplyBy(-scale)._add(this._pathViewport.min);
+ _animatePathZoom: function (e) {
+ var scale = this.getZoomScale(e.zoom),
+ offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);
this._pathRoot.style[L.DomUtil.TRANSFORM] =
- L.DomUtil.getTranslateString(translate) + ' scale(' + scale + ') ';
+ L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';
this._pathZooming = true;
},
/*
- * Popup extension to L.Path (polylines, polygons, circles), adding bindPopup method.
+ * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods.
*/
L.Path.include({
bindPopup: function (content, options) {
- if (!this._popup || options) {
- this._popup = new L.Popup(options, this);
+ if (content instanceof L.Popup) {
+ this._popup = content;
+ } else {
+ if (!this._popup || options) {
+ this._popup = new L.Popup(options, this);
+ }
+ this._popup.setContent(content);
}
- this._popup.setContent(content);
-
if (!this._popupHandlersAdded) {
this
.on('click', this._openPopup, this)
if (this._popup) {
this._popup = null;
this
- .off('click', this.openPopup)
+ .off('click', this._openPopup)
.off('remove', this.closePopup);
this._popupHandlersAdded = false;
stroke.weight = options.weight + 'px';
stroke.color = options.color;
stroke.opacity = options.opacity;
+
if (options.dashArray) {
- stroke.dashStyle = options.dashArray.replace(/ *, */g, ' ');
+ 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;
}
fill.color = options.fillColor || options.color;
fill.opacity = options.fillOpacity;
+
} else if (fill) {
container.removeChild(fill);
this._fill = null;
.off('viewreset', this.projectLatlngs, this)
.off('moveend', this._updatePath, this);
+ if (this.options.clickable) {
+ this._map.off('click', this._onClick, this);
+ this._map.off('mousemove', this._onMouseMove, this);
+ }
+
this._requestUpdate();
this._map = null;
this._updateStyle();
if (options.fill) {
- if (options.fillOpacity < 1) {
- ctx.globalAlpha = options.fillOpacity;
- }
+ ctx.globalAlpha = options.fillOpacity;
ctx.fill();
}
if (options.stroke) {
- if (options.opacity < 1) {
- ctx.globalAlpha = options.opacity;
- }
+ ctx.globalAlpha = options.opacity;
ctx.stroke();
}
_initEvents: function () {
if (this.options.clickable) {
- // TODO hand cursor
- // TODO mouseover, mouseout, dblclick
+ // TODO dblclick
+ this._map.on('mousemove', this._onMouseMove, this);
this._map.on('click', this._onClick, this);
}
},
if (this._containsPoint(e.layerPoint)) {
this.fire('click', e);
}
+ },
+
+ _onMouseMove: function (e) {
+ if (!this._map || this._map._animatingZoom) { return; }
+
+ // TODO don't do on each move
+ if (this._containsPoint(e.layerPoint)) {
+ this._ctx.canvas.style.cursor = 'pointer';
+ this._mouseInside = true;
+ this.fire('mouseover', e);
+
+ } else if (this._mouseInside) {
+ this._ctx.canvas.style.cursor = '';
+ this._mouseInside = false;
+ this.fire('mouseout', e);
+ }
}
});
ctx;
if (!root) {
- root = this._pathRoot = document.createElement("canvas");
+ root = this._pathRoot = document.createElement('canvas');
root.style.position = 'absolute';
ctx = this._canvasCtx = root.getContext('2d');
- ctx.lineCap = "round";
- ctx.lineJoin = "round";
+ ctx.lineCap = 'round';
+ ctx.lineJoin = 'round';
this._panes.overlayPane.appendChild(root);
* and polylines (clipping, simplification, distances, etc.)
*/
+/*jshint bitwise:false */ // allow bitwise oprations for this file
+
L.LineUtil = {
// Simplify polyline with vertex reduction and Douglas-Peucker simplification.
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),
+ var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
codeB = this._getBitCode(b, bounds),
codeOut, p, newCode;
return false;
// other cases
} else {
- codeOut = codeA || codeB,
- p = this._getEdgeIntersection(a, b, codeOut, bounds),
+ codeOut = codeA || codeB;
+ p = this._getEdgeIntersection(a, b, codeOut, bounds);
newCode = this._getBitCode(p, bounds);
if (codeOut === codeA) {
return code;
},
- /*jshint bitwise:true */
-
// square distance (to avoid unnecessary Math.sqrt calls)
_sqDist: function (p1, p2) {
var dx = p2.x - p1.x,
};
+/*
+ * L.Polyline is used to display polylines on a map.
+ */
+
L.Polyline = L.Path.extend({
initialize: function (latlngs, options) {
L.Path.prototype.initialize.call(this, options);
this._latlngs = this._convertLatLngs(latlngs);
-
- // 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: {
return this.redraw();
},
- spliceLatLngs: function (index, howMany) {
+ spliceLatLngs: function () { // (Number index, Number howMany)
var removed = [].splice.apply(this._latlngs, arguments);
- this._convertLatLngs(this._latlngs);
+ this._convertLatLngs(this._latlngs, true);
this.redraw();
return removed;
},
},
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();
- }
+ return new L.LatLngBounds(this.getLatLngs());
},
- onRemove: function (map) {
- if (this.editing && this.editing.enabled()) {
- this.editing.removeHooks();
- }
-
- L.Path.prototype.onRemove.call(this, map);
- },
+ _convertLatLngs: function (latlngs, overwrite) {
+ var i, len, target = overwrite ? latlngs : [];
- _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') {
+ if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') {
return;
}
- latlngs[i] = L.latLng(latlngs[i]);
+ target[i] = L.latLng(latlngs[i]);
}
- return latlngs;
+ return target;
},
_initEvents: function () {
/*
- * L.PolyUtil contains utilify functions for polygons (clipping, etc.).
+ * L.PolyUtil contains utility functions for polygons (clipping, etc.).
*/
-/*jshint bitwise:false */ // allow bitwise oprations here
+/*jshint bitwise:false */ // allow bitwise operations here
L.PolyUtil = {};
* 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,
+ var clippedPoints,
edges = [1, 4, 2, 8],
i, j, k,
a, b,
return points;
};
-/*jshint bitwise:true */
-
/*
* L.Polygon is used to display polygons on a map.
},
initialize: function (latlngs, options) {
+ var i, len, hole;
+
L.Polyline.prototype.initialize.call(this, latlngs, options);
- if (latlngs && (latlngs[0] instanceof Array) && (typeof latlngs[0][0] !== 'number')) {
+ if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
this._latlngs = this._convertLatLngs(latlngs[0]);
this._holes = latlngs.slice(1);
+
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ hole = this._holes[i] = this._convertLatLngs(this._holes[i]);
+ if (hole[0].equals(hole[hole.length - 1])) {
+ hole.pop();
+ }
+ }
+ }
+
+ // filter out last point if its equal to the first one
+ latlngs = this._latlngs;
+
+ if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) {
+ latlngs.pop();
}
},
if (!this._holes) { return; }
- var i, j, len, len2, hole;
+ var i, j, len, len2;
for (i = 0, len = this._holes.length; i < len; i++) {
this._holePoints[i] = [];
}
return this;
+ },
+
+ getLatLngs: function () {
+ var latlngs = [];
+
+ this.eachLayer(function (layer) {
+ latlngs.push(layer.getLatLngs());
+ });
+
+ return latlngs;
}
});
}
/*
- * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds
+ * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
*/
L.Rectangle = L.Polygon.extend({
latLngBounds.getSouthWest(),
latLngBounds.getNorthWest(),
latLngBounds.getNorthEast(),
- latLngBounds.getSouthEast(),
- latLngBounds.getSouthWest()
+ latLngBounds.getSouthEast()
];
}
});
projectLatlngs: function () {
var lngRadius = this._getLngRadius(),
- latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngRadius, true),
- point2 = this._map.latLngToLayerPoint(latlng2);
+ latlng = this._latlng,
+ pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);
- this._point = this._map.latLngToLayerPoint(this._latlng);
- this._radius = Math.max(Math.round(this._point.x - point2.x), 1);
+ this._point = this._map.latLngToLayerPoint(latlng);
+ this._radius = Math.max(this._point.x - pointLeft.x, 1);
},
getBounds: function () {
var lngRadius = this._getLngRadius(),
latRadius = (this._mRadius / 40075017) * 360,
- latlng = this._latlng,
- sw = new L.LatLng(latlng.lat - latRadius, latlng.lng - lngRadius),
- ne = new L.LatLng(latlng.lat + latRadius, latlng.lng + lngRadius);
+ latlng = this._latlng;
- return new L.LatLngBounds(sw, ne);
+ return new L.LatLngBounds(
+ [latlng.lat - latRadius, latlng.lng - lngRadius],
+ [latlng.lat + latRadius, latlng.lng + lngRadius]);
},
getLatLng: function () {
}
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";
+ 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);
+ return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360);
}
},
this._point = this._map.latLngToLayerPoint(this._latlng);
},
+ _updateStyle : function () {
+ L.Circle.prototype._updateStyle.call(this);
+ this.setRadius(this.options.radius);
+ },
+
setRadius: function (radius) {
- this._radius = radius;
+ this.options.radius = this._radius = radius;
return this.redraw();
}
});
};
+/*
+ * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines.
+ */
L.Polyline.include(!L.Path.CANVAS ? {} : {
_containsPoint: function (p, closed) {
});
+/*
+ * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons.
+ */
L.Polygon.include(!L.Path.CANVAS ? {} : {
_containsPoint: function (p) {
/*
- * Circle canvas specific drawing parts.
+ * Extends L.Circle with Canvas-specific code.
*/
L.Circle.include(!L.Path.CANVAS ? {} : {
});
+/*
+ * CircleMarker canvas specific drawing parts.
+ */
+
+L.CircleMarker.include(!L.Path.CANVAS ? {} : {
+ _updateStyle: function () {
+ L.Path.prototype._updateStyle.call(this);
+ }
+});
+
+
+/*
+ * L.GeoJSON turns any GeoJSON data into a Leaflet layer.
+ */
+
L.GeoJSON = L.FeatureGroup.extend({
+
initialize: function (geojson, options) {
L.setOptions(this, options);
},
addData: function (geojson) {
- var features = geojson instanceof Array ? geojson : geojson.features,
- i, len;
+ var features = L.Util.isArray(geojson) ? geojson : geojson.features,
+ i, len, feature;
if (features) {
for (i = 0, len = features.length; i < len; i++) {
- this.addData(features[i]);
+ // Only add this if geometry or geometries are set and not null
+ feature = features[i];
+ if (feature.geometries || feature.geometry || feature.features || feature.coordinates) {
+ this.addData(features[i]);
+ }
}
return this;
}
if (options.filter && !options.filter(geojson)) { return; }
- var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer);
- layer.feature = geojson;
+ var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng);
+ layer.feature = L.GeoJSON.asFeature(geojson);
+ layer.defaultOptions = layer.options;
this.resetStyle(layer);
if (options.onEachFeature) {
resetStyle: function (layer) {
var style = this.options.style;
if (style) {
+ // reset any custom styles
+ L.Util.extend(layer.options, layer.defaultOptions);
+
this._setLayerStyle(layer, style);
}
},
});
L.extend(L.GeoJSON, {
- geometryToLayer: function (geojson, pointToLayer) {
+ geometryToLayer: function (geojson, pointToLayer, coordsToLatLng) {
var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
coords = geometry.coordinates,
layers = [],
latlng, latlngs, i, len, layer;
+ coordsToLatLng = coordsToLatLng || this.coordsToLatLng;
+
switch (geometry.type) {
case 'Point':
- latlng = this.coordsToLatLng(coords);
+ latlng = 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]);
+ latlng = coordsToLatLng(coords[i]);
layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
layers.push(layer);
}
return new L.FeatureGroup(layers);
case 'LineString':
- latlngs = this.coordsToLatLngs(coords);
+ latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng);
return new L.Polyline(latlngs);
case 'Polygon':
- latlngs = this.coordsToLatLngs(coords, 1);
+ latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
return new L.Polygon(latlngs);
case 'MultiLineString':
- latlngs = this.coordsToLatLngs(coords, 1);
+ latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
return new L.MultiPolyline(latlngs);
- case "MultiPolygon":
- latlngs = this.coordsToLatLngs(coords, 2);
+ case 'MultiPolygon':
+ latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng);
return new L.MultiPolygon(latlngs);
- case "GeometryCollection":
+ case 'GeometryCollection':
for (i = 0, len = geometry.geometries.length; i < len; i++) {
- layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);
+
+ layer = this.geometryToLayer({
+ geometry: geometry.geometries[i],
+ type: 'Feature',
+ properties: geojson.properties
+ }, pointToLayer, coordsToLatLng);
+
layers.push(layer);
}
return new L.FeatureGroup(layers);
}
},
- 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);
+ coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng
+ return new L.LatLng(coords[1], coords[0]);
},
- coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array
- var latlng,
- latlngs = [],
- i, len;
+ coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array
+ var latlng, i, len,
+ latlngs = [];
for (i = 0, len = coords.length; i < len; i++) {
latlng = levelsDeep ?
- this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :
- this.coordsToLatLng(coords[i], reverse);
+ this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
+ (coordsToLatLng || this.coordsToLatLng)(coords[i]);
latlngs.push(latlng);
}
return latlngs;
+ },
+
+ latLngToCoords: function (latLng) {
+ return [latLng.lng, latLng.lat];
+ },
+
+ latLngsToCoords: function (latLngs) {
+ var coords = [];
+
+ for (var i = 0, len = latLngs.length; i < len; i++) {
+ coords.push(L.GeoJSON.latLngToCoords(latLngs[i]));
+ }
+
+ return coords;
+ },
+
+ getFeature: function (layer, newGeometry) {
+ return layer.feature ? L.extend({}, layer.feature, {geometry: newGeometry}) : L.GeoJSON.asFeature(newGeometry);
+ },
+
+ asFeature: function (geoJSON) {
+ if (geoJSON.type === 'Feature') {
+ return geoJSON;
+ }
+
+ return {
+ type: 'Feature',
+ properties: {},
+ geometry: geoJSON
+ };
+ }
+});
+
+var PointToGeoJSON = {
+ toGeoJSON: function () {
+ return L.GeoJSON.getFeature(this, {
+ type: 'Point',
+ coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
+ });
+ }
+};
+
+L.Marker.include(PointToGeoJSON);
+L.Circle.include(PointToGeoJSON);
+L.CircleMarker.include(PointToGeoJSON);
+
+L.Polyline.include({
+ toGeoJSON: function () {
+ return L.GeoJSON.getFeature(this, {
+ type: 'LineString',
+ coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs())
+ });
+ }
+});
+
+L.Polygon.include({
+ toGeoJSON: function () {
+ var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())],
+ i, len, hole;
+
+ coords[0].push(coords[0][0]);
+
+ if (this._holes) {
+ for (i = 0, len = this._holes.length; i < len; i++) {
+ hole = L.GeoJSON.latLngsToCoords(this._holes[i]);
+ hole.push(hole[0]);
+ coords.push(hole);
+ }
+ }
+
+ return L.GeoJSON.getFeature(this, {
+ type: 'Polygon',
+ coordinates: coords
+ });
+ }
+});
+
+(function () {
+ function includeMulti(Klass, type) {
+ Klass.include({
+ toGeoJSON: function () {
+ var coords = [];
+
+ this.eachLayer(function (layer) {
+ coords.push(layer.toGeoJSON().geometry.coordinates);
+ });
+
+ return L.GeoJSON.getFeature(this, {
+ type: type,
+ coordinates: coords
+ });
+ }
+ });
+ }
+
+ includeMulti(L.MultiPolyline, 'MultiLineString');
+ includeMulti(L.MultiPolygon, 'MultiPolygon');
+}());
+
+L.LayerGroup.include({
+ toGeoJSON: function () {
+ var features = [];
+
+ this.eachLayer(function (layer) {
+ if (layer.toGeoJSON) {
+ features.push(L.GeoJSON.asFeature(layer.toGeoJSON()));
+ }
+ });
+
+ return {
+ type: 'FeatureCollection',
+ features: features
+ };
}
});
*/
L.DomEvent = {
- /* inpired by John Resig, Dean Edwards and YUI addEvent implementations */
+ /* 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),
if (L.Browser.msTouch && type.indexOf('touch') === 0) {
return this.addMsTouchListener(obj, type, handler, id);
- } else if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
- return this.addDoubleTapListener(obj, handler, id);
+ }
+ if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
+ this.addDoubleTapListener(obj, handler, id);
+ }
- } else if ('addEventListener' in obj) {
+ if ('addEventListener' in obj) {
if (type === 'mousewheel') {
obj.addEventListener('DOMMouseScroll', handler, false);
obj.addEventListener(newType, handler, false);
- } else {
- obj.addEventListener(type, handler, false);
+ } else if (type === 'click' && L.Browser.android) {
+ originalHandler = handler;
+ handler = function (e) {
+ return L.DomEvent._filterClick(e, originalHandler);
+ };
+
+ obj.addEventListener(type, handler, false);
+ } else {
+ obj.addEventListener(type, handler, false);
}
} else if ('attachEvent' in obj) {
- obj.attachEvent("on" + type, handler);
+ obj.attachEvent('on' + type, handler);
}
obj[key] = handler;
key = '_leaflet_' + type + id,
handler = obj[key];
- if (!handler) { return; }
+ if (!handler) { return this; }
if (L.Browser.msTouch && type.indexOf('touch') === 0) {
this.removeMsTouchListener(obj, type, id);
obj.removeEventListener(type, handler, false);
}
} else if ('detachEvent' in obj) {
- obj.detachEvent("on" + type, handler);
+ obj.detachEvent('on' + type, handler);
}
obj[key] = null;
},
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, L.Draggable.START, stop)
- .addListener(el, 'click', stop)
+ .addListener(el, 'click', L.DomEvent._fakeStop)
.addListener(el, 'dblclick', stop);
},
getMousePosition: function (e, container) {
- var body = document.body,
+ var ie7 = L.Browser.ie7,
+ 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);
+ x = e.pageX ? e.pageX - body.scrollLeft - docEl.scrollLeft: e.clientX,
+ y = e.pageY ? e.pageY - body.scrollTop - docEl.scrollTop: e.clientY,
+ pos = new L.Point(x, y),
+ rect = container.getBoundingClientRect(),
+ left = rect.left - container.clientLeft,
+ top = rect.top - container.clientTop;
+
+ // 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 += container.scrollWidth - container.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(container, 'overflow-y') !== 'hidden' &&
+ L.DomUtil.getStyle(container, 'overflow') !== 'hidden') {
+ left += 17;
+ }
+ }
- return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);
+ return pos._subtract(new L.Point(left, top));
},
getWheelDelta: function (e) {
return delta;
},
+ _skipEvents: {},
+
+ _fakeStop: function (e) {
+ // fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e)
+ L.DomEvent._skipEvents[e.type] = true;
+ },
+
+ _skipped: function (e) {
+ var skipped = this._skipEvents[e.type];
+ // reset when checking, as it's only used in map container and propagates outside of the map
+ this._skipEvents[e.type] = false;
+ return skipped;
+ },
+
// check if element really left/entered the event target (for mouseenter/mouseleave)
_checkMouse: function (el, e) {
return (related !== el);
},
- /*jshint noarg:false */
_getEvent: function () { // evil magic for IE
-
+ /*jshint noarg:false */
var e = window.event;
if (!e) {
var caller = arguments.callee.caller;
}
}
return e;
+ },
+
+ // this is a horrible workaround for a bug in Android where a single touch triggers two click events
+ _filterClick: function (e, handler) {
+ var timeStamp = (e.timeStamp || e.originalEvent.timeStamp),
+ elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);
+
+ // are they closer together than 1000ms yet more than 100ms?
+ // Android typically triggers them ~300ms apart while multiple listeners
+ // on the same event should be triggered far faster;
+ // or check if click is simulated on the element, and if it is, reject any non-simulated events
+
+ if ((elapsed && elapsed > 100 && elapsed < 1000) || (e.target._simulatedClick && !e._simulated)) {
+ L.DomEvent.stop(e);
+ return;
+ }
+ L.DomEvent._lastClick = timeStamp;
+
+ return handler(e);
}
- /*jshint noarg:false */
};
L.DomEvent.on = L.DomEvent.addListener;
includes: L.Mixin.Events,
statics: {
- START: L.Browser.touch ? 'touchstart' : 'mousedown',
- END: L.Browser.touch ? 'touchend' : 'mouseup',
- MOVE: L.Browser.touch ? 'touchmove' : 'mousemove',
- TAP_TOLERANCE: 15
+ START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
+ END: {
+ mousedown: 'mouseup',
+ touchstart: 'touchend',
+ MSPointerDown: 'touchend'
+ },
+ MOVE: {
+ mousedown: 'mousemove',
+ touchstart: 'touchmove',
+ MSPointerDown: 'touchmove'
+ }
},
- initialize: function (element, dragStartTarget, longPress) {
+ initialize: function (element, dragStartTarget) {
this._element = element;
this._dragStartTarget = dragStartTarget || element;
- this._longPress = longPress && !L.Browser.msTouch;
},
enable: function () {
if (this._enabled) { return; }
- L.DomEvent.on(this._dragStartTarget, L.Draggable.START, this._onDown, this);
+ 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; }
- L.DomEvent.off(this._dragStartTarget, L.Draggable.START, this._onDown);
+ 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; }
+ if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
- L.DomEvent.preventDefault(e);
- L.DomEvent.stopPropagation(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;
- }
+ L.DomUtil.disableImageDrag();
+ L.DomUtil.disableTextSelection();
- var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+ var first = e.touches ? e.touches[0] : e,
el = first.target;
+ // if touching a link, highlight it
if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
L.DomUtil.addClass(el, 'leaflet-active');
}
this._moved = false;
+
if (this._moving) { return; }
this._startPoint = new L.Point(first.clientX, first.clientY);
this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
- //Touch contextmenu event emulation
- if (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, this._onMove, this);
- L.DomEvent.on(document, L.Draggable.END, this._onUp, this);
+ L.DomEvent
+ .on(document, L.Draggable.MOVE[e.type], this._onMove, this)
+ .on(document, L.Draggable.END[e.type], this._onUp, this);
},
_onMove: function (e) {
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);
+ offset = newPoint.subtract(this._startPoint);
- if (!diffVec.x && !diffVec.y) { return; }
+ if (!offset.x && !offset.y) { return; }
L.DomEvent.preventDefault(e);
if (!this._moved) {
this.fire('dragstart');
- this._moved = true;
- this._startPos = L.DomUtil.getPosition(this._element).subtract(diffVec);
+ this._moved = true;
+ this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);
if (!L.Browser.touch) {
- L.DomUtil.disableTextSelection();
- this._setMovingCursor();
+ L.DomUtil.addClass(document.body, 'leaflet-dragging');
}
}
- this._newPos = this._startPos.add(diffVec);
+ this._newPos = this._startPos.add(offset);
this._moving = true;
L.Util.cancelAnimFrame(this._animRequest);
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;
- }
+ _onUp: function () {
+ if (!L.Browser.touch) {
+ L.DomUtil.removeClass(document.body, 'leaflet-dragging');
}
- if (!L.Browser.touch) {
- L.DomUtil.enableTextSelection();
- this._restoreCursor();
+ for (var i in L.Draggable.MOVE) {
+ L.DomEvent
+ .off(document, L.Draggable.MOVE[i], this._onMove)
+ .off(document, L.Draggable.END[i], this._onUp);
}
- L.DomEvent.off(document, L.Draggable.MOVE, this._onMove);
- L.DomEvent.off(document, L.Draggable.END, this._onUp);
+ L.DomUtil.enableImageDrag();
+ L.DomUtil.enableTextSelection();
if (this._moved) {
// ensure drag is not fired after dragend
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);
+ this._moving = false;
}
});
/*
- * L.Handler classes are used internally to inject interaction features to classes like Map and Marker.
- */
+ L.Handler is a base class for handler classes that are used internally to inject
+ interaction features like dragging to classes like Map and Marker.
+*/
L.Handler = L.Class.extend({
initialize: function (map) {
/*
- * L.Handler.MapDrag is used internally by L.Map to make the map draggable.
+ * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
*/
L.Map.mergeOptions({
inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
easeLinearity: 0.25,
- longPress: true,
-
// TODO refactor, move to CRS
- worldCopyJump: true
+ worldCopyJump: false
});
L.Map.Drag = L.Handler.extend({
if (!this._draggable) {
var map = this._map;
- this._draggable = new L.Draggable(map._mapPane, map._container, map.options.longPress);
+ this._draggable = new L.Draggable(map._mapPane, map._container);
this._draggable.on({
'dragstart': this._onDragStart,
if (map.options.worldCopyJump) {
this._draggable.on('predrag', this._onPreDrag, this);
map.on('viewreset', this._onViewReset, this);
+
+ this._onViewReset();
}
}
this._draggable.enable();
},
_onViewReset: function () {
+ // TODO fix hardcoded Earth values
var pxCenter = this._map.getSize()._divideBy(2),
- pxWorldCenter = this._map.latLngToLayerPoint(new L.LatLng(0, 0));
+ pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);
this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
- this._worldWidth = this._map.project(new L.LatLng(0, 180)).x;
+ this._worldWidth = this._map.project([0, 180]).x;
},
_onPreDrag: function () {
// TODO refactor to be able to adjust map pane position after zoom
- var map = this._map,
- worldWidth = this._worldWidth,
+ var worldWidth = this._worldWidth,
halfWidth = Math.round(worldWidth / 2),
dx = this._initialWorldOffset,
x = this._draggable._newPos.x,
options = map.options,
delay = +new Date() - this._lastTime,
- noInertia = !options.inertia ||
- delay > options.inertiaThreshold ||
- !this._positions[0];
+ noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];
+
+ map.fire('dragend');
if (noInertia) {
map.fire('moveend');
var direction = this._lastPos.subtract(this._positions[0]),
duration = (this._lastTime + delay - this._times[0]) / 1000,
+ ease = options.easeLinearity,
- speedVector = direction.multiplyBy(options.easeLinearity / duration),
- speed = speedVector.distanceTo(new L.Point(0, 0)),
+ speedVector = direction.multiplyBy(ease / duration),
+ speed = speedVector.distanceTo([0, 0]),
limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
- decelerationDuration = limitedSpeed / (options.inertiaDeceleration * options.easeLinearity),
+ decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
- L.Util.requestAnimFrame(function () {
- map.panBy(offset, decelerationDuration, options.easeLinearity);
- });
- }
-
- map.fire('dragend');
+ if (!offset.x || !offset.y) {
+ map.fire('moveend');
- if (options.maxBounds) {
- // TODO predrag validation instead of animation
- L.Util.requestAnimFrame(this._panInsideMaxBounds, map, true, map._container);
+ } else {
+ L.Util.requestAnimFrame(function () {
+ map.panBy(offset, {
+ duration: decelerationDuration,
+ easeLinearity: ease,
+ noMoveStart: true
+ });
+ });
+ }
}
- },
-
- _panInsideMaxBounds: function () {
- this.panInsideBounds(this.options.maxBounds);
}
});
/*
- * L.Handler.DoubleClickZoom is used internally by L.Map to add double-click zooming.
+ * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
*/
L.Map.mergeOptions({
L.Map.DoubleClickZoom = L.Handler.extend({
addHooks: function () {
- this._map.on('dblclick', this._onDoubleClick);
+ this._map.on('dblclick', this._onDoubleClick, this);
},
removeHooks: function () {
- this._map.off('dblclick', this._onDoubleClick);
+ this._map.off('dblclick', this._onDoubleClick, this);
},
_onDoubleClick: function (e) {
- this.setView(e.latlng, this._zoom + 1);
+ var map = this._map,
+ zoom = map.getZoom() + 1;
+
+ if (map.options.doubleClickZoom === 'center') {
+ map.setZoom(zoom);
+ } else {
+ map.setZoomAround(e.containerPoint, zoom);
+ }
}
});
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: !L.Browser.touch || L.Browser.msTouch
+ scrollWheelZoom: true
});
L.Map.ScrollWheelZoom = L.Handler.extend({
addHooks: function () {
L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
+ L.DomEvent.on(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
this._delta = 0;
},
removeHooks: function () {
L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
+ L.DomEvent.off(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
},
_onWheelScroll: function (e) {
_performZoom: function () {
var map = this._map,
- delta = Math.round(this._delta),
+ delta = this._delta,
zoom = map.getZoom();
+ delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta);
delta = Math.max(Math.min(delta, 4), -4);
delta = map._limitZoom(zoom + delta) - zoom;
this._delta = 0;
-
this._startTime = null;
if (!delta) { return; }
- 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);
+ if (map.options.scrollWheelZoom === 'center') {
+ map.setZoom(zoom + delta);
+ } else {
+ map.setZoomAround(this._lastMousePos, zoom + delta);
+ }
}
});
L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
+/*
+ * Extends the event handling code with double tap support for mobile browsers.
+ */
+
L.extend(L.DomEvent, {
_touchstart: L.Browser.msTouch ? 'MSPointerDown' : 'touchstart',
function onTouchStart(e) {
var count;
+
if (L.Browser.msTouch) {
trackedTouches.push(e.pointerId);
count = trackedTouches.length;
doubleTap = (delta > 0 && delta <= delay);
last = now;
}
+
function onTouchEnd(e) {
if (L.Browser.msTouch) {
var idx = trackedTouches.indexOf(e.pointerId);
if (doubleTap) {
if (L.Browser.msTouch) {
- //Work around .type being readonly with MSPointer* events
+ // work around .type being readonly with MSPointer* events
var newTouch = { },
prop;
+
+ // jshint forin:false
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;
- }
+ prop = touch[i];
+ if (typeof prop === 'function') {
+ newTouch[i] = prop.bind(touch);
+ } else {
+ newTouch[i] = prop;
}
}
touch = newTouch;
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
+ // 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);
+ (L.Browser.msTouch ? document.documentElement : obj).removeEventListener(
+ this._touchend, obj[pre + this._touchend + id], false);
+
if (L.Browser.msTouch) {
document.documentElement.removeEventListener('MSPointerCancel', obj[pre + this._touchend + id], false);
}
+
return this;
}
});
+/*
+ * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
+ */
+
L.extend(L.DomEvent, {
_msTouches: [],
},
_onTouchMove: function (e) {
- if (!e.touches || e.touches.length !== 2) { return; }
-
var map = this._map;
+ if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }
+
var p1 = map.mouseEventToLayerPoint(e.touches[0]),
p2 = map.mouseEventToLayerPoint(e.touches[1]);
if (this._scale === 1) { return; }
if (!this._moved) {
- L.DomUtil.addClass(map._mapPane, 'leaflet-zoom-anim leaflet-touching');
+ L.DomUtil.addClass(map._mapPane, 'leaflet-touching');
map
.fire('movestart')
- .fire('zoomstart')
- ._prepareTileBg();
+ .fire('zoomstart');
this._moved = true;
}
_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
+ center = map.layerPointToLatLng(origin),
+ zoom = map.getScaleZoom(this._scale);
- map._tileBg.style[L.DomUtil.TRANSFORM] =
- L.DomUtil.getTranslateString(this._delta) + ' ' +
- L.DomUtil.getScaleString(this._scale, this._startCenter);
+ map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta);
},
- _onTouchEnd: function (e) {
- if (!this._moved || !this._zooming) { return; }
+ _onTouchEnd: function () {
+ if (!this._moved || !this._zooming) {
+ this._zooming = false;
+ return;
+ }
var map = this._map;
this._zooming = false;
L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
+ L.Util.cancelAnimFrame(this._animRequest);
L.DomEvent
.off(document, 'touchmove', this._onTouchMove)
roundZoomDelta = (floatZoomDelta > 0 ?
Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
- zoom = map._limitZoom(oldZoom + roundZoomDelta);
-
- map.fire('zoomanim', {
- center: center,
- zoom: zoom
- });
+ zoom = map._limitZoom(oldZoom + roundZoomDelta),
+ scale = map.getZoomScale(zoom) / this._scale;
- map._runAnimation(center, zoom, map.getZoomScale(zoom) / this._scale, origin, true);
+ map._animateZoom(center, zoom, origin, scale);
},
_getScaleOrigin: function () {
/*
- * L.Handler.ShiftDragZoom is used internally by L.Map to add shift-drag zoom (zoom to a selected bounding box).
+ * L.Map.Tap is used to enable mobile hacks like quick taps and long hold.
+ */
+
+L.Map.mergeOptions({
+ tap: true,
+ tapTolerance: 15
+});
+
+L.Map.Tap = L.Handler.extend({
+ addHooks: function () {
+ L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ removeHooks: function () {
+ L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this);
+ },
+
+ _onDown: function (e) {
+ if (!e.touches) { return; }
+
+ L.DomEvent.preventDefault(e);
+
+ this._fireClick = true;
+
+ // don't simulate click or track longpress if more than 1 touch
+ if (e.touches.length > 1) {
+ this._fireClick = false;
+ clearTimeout(this._holdTimeout);
+ return;
+ }
+
+ var first = e.touches[0],
+ el = first.target;
+
+ this._startPos = this._newPos = new L.Point(first.clientX, first.clientY);
+
+ // if touching a link, highlight it
+ if (el.tagName.toLowerCase() === 'a') {
+ L.DomUtil.addClass(el, 'leaflet-active');
+ }
+
+ // simulate long hold but setting a timeout
+ this._holdTimeout = setTimeout(L.bind(function () {
+ if (this._isTapValid()) {
+ this._fireClick = false;
+ this._onUp();
+ this._simulateEvent('contextmenu', first);
+ }
+ }, this), 1000);
+
+ L.DomEvent
+ .on(document, 'touchmove', this._onMove, this)
+ .on(document, 'touchend', this._onUp, this);
+ },
+
+ _onUp: function (e) {
+ clearTimeout(this._holdTimeout);
+
+ L.DomEvent
+ .off(document, 'touchmove', this._onMove, this)
+ .off(document, 'touchend', this._onUp, this);
+
+ if (this._fireClick && e && e.changedTouches) {
+
+ var first = e.changedTouches[0],
+ el = first.target;
+
+ if (el.tagName.toLowerCase() === 'a') {
+ L.DomUtil.removeClass(el, 'leaflet-active');
+ }
+
+ // simulate click if the touch didn't move too much
+ if (this._isTapValid()) {
+ this._simulateEvent('click', first);
+ }
+ }
+ },
+
+ _isTapValid: function () {
+ return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance;
+ },
+
+ _onMove: function (e) {
+ var first = e.touches[0];
+ this._newPos = new L.Point(first.clientX, first.clientY);
+ },
+
+ _simulateEvent: function (type, e) {
+ var simulatedEvent = document.createEvent('MouseEvents');
+
+ simulatedEvent._simulated = true;
+ e.target._simulatedClick = true;
+
+ simulatedEvent.initMouseEvent(
+ type, true, true, window, 1,
+ e.screenX, e.screenY,
+ e.clientX, e.clientY,
+ false, false, false, false, 0, null);
+
+ e.target.dispatchEvent(simulatedEvent);
+ }
+});
+
+if (L.Browser.touch && !L.Browser.msTouch) {
+ L.Map.addInitHook('addHandler', 'tap', L.Map.Tap);
+}
+
+
+/*
+ * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map
+ * (zoom to a selected bounding box), enabled by default.
*/
L.Map.mergeOptions({
if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
L.DomUtil.disableTextSelection();
+ L.DomUtil.disableImageDrag();
this._startLayerPoint = this._map.mouseEventToLayerPoint(e);
L.DomEvent
.on(document, 'mousemove', this._onMouseMove, this)
.on(document, 'mouseup', this._onMouseUp, this)
- .preventDefault(e);
+ .on(document, 'keydown', this._onKeyDown, this);
- this._map.fire("boxzoomstart");
+ this._map.fire('boxzoomstart');
},
_onMouseMove: function (e) {
box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
},
- _onMouseUp: function (e) {
+ _finish: function () {
this._pane.removeChild(this._box);
this._container.style.cursor = '';
L.DomUtil.enableTextSelection();
+ L.DomUtil.enableImageDrag();
L.DomEvent
.off(document, 'mousemove', this._onMouseMove)
- .off(document, 'mouseup', this._onMouseUp);
+ .off(document, 'mouseup', this._onMouseUp)
+ .off(document, 'keydown', this._onKeyDown);
+ },
+
+ _onMouseUp: function (e) {
+
+ this._finish();
var map = this._map,
- layerPoint = map.mouseEventToLayerPoint(e),
+ layerPoint = map.mouseEventToLayerPoint(e);
- bounds = new L.LatLngBounds(
+ if (this._startLayerPoint.equals(layerPoint)) { return; }
+
+ var bounds = new L.LatLngBounds(
map.layerPointToLatLng(this._startLayerPoint),
map.layerPointToLatLng(layerPoint));
map.fitBounds(bounds);
- map.fire("boxzoomend", {
+ map.fire('boxzoomend', {
boxZoomBounds: bounds
});
+ },
+
+ _onKeyDown: function (e) {
+ if (e.keyCode === 27) {
+ this._finish();
+ }
}
});
L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
+/*
+ * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
+ */
+
L.Map.mergeOptions({
keyboard: true,
keyboardPanOffset: 80,
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]
+ zoomOut: [189, 109, 173]
},
initialize: function (map) {
// make the container focusable by tabbing
if (container.tabIndex === -1) {
- container.tabIndex = "0";
+ container.tabIndex = '0';
}
L.DomEvent
- .addListener(container, 'focus', this._onFocus, this)
- .addListener(container, 'blur', this._onBlur, this)
- .addListener(container, 'mousedown', this._onMouseDown, this);
+ .on(container, 'focus', this._onFocus, this)
+ .on(container, 'blur', this._onBlur, this)
+ .on(container, 'mousedown', this._onMouseDown, this);
this._map
.on('focus', this._addHooks, this)
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);
+ .off(container, 'focus', this._onFocus, this)
+ .off(container, 'blur', this._onBlur, this)
+ .off(container, 'mousedown', this._onMouseDown, this);
this._map
.off('focus', this._addHooks, this)
},
_onMouseDown: function () {
- if (!this._focused) {
- this._map._container.focus();
- }
+ if (this._focused) { return; }
+
+ var body = document.body,
+ docEl = document.documentElement,
+ top = body.scrollTop || docEl.scrollTop,
+ left = body.scrollTop || docEl.scrollLeft;
+
+ this._map._container.focus();
+
+ window.scrollTo(left, top);
},
_onFocus: function () {
},
_addHooks: function () {
- L.DomEvent.addListener(document, 'keydown', this._onKeyDown, this);
+ L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
},
_removeHooks: function () {
- L.DomEvent.removeListener(document, 'keydown', this._onKeyDown, this);
+ L.DomEvent.off(document, 'keydown', this._onKeyDown, this);
},
_onKeyDown: function (e) {
- var key = e.keyCode;
+ var key = e.keyCode,
+ map = this._map;
- if (this._panKeys.hasOwnProperty(key)) {
- this._map.panBy(this._panKeys[key]);
+ if (key in this._panKeys) {
- } else if (this._zoomKeys.hasOwnProperty(key)) {
- this._map.setZoom(this._map.getZoom() + this._zoomKeys[key]);
+ if (map._panAnim && map._panAnim._inProgress) { return; }
+
+ map.panBy(this._panKeys[key]);
+
+ if (map.options.maxBounds) {
+ map.panInsideBounds(map.options.maxBounds);
+ }
+
+ } else if (key in this._zoomKeys) {
+ map.setZoom(map.getZoom() + this._zoomKeys[key]);
} else {
return;
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 = new L.Draggable(icon, icon);
}
+
+ this._draggable
+ .on('dragstart', this._onDragStart, this)
+ .on('drag', this._onDrag, this)
+ .on('dragend', this._onDragEnd, this);
this._draggable.enable();
},
removeHooks: function () {
+ this._draggable
+ .off('dragstart', this._onDragStart, this)
+ .off('drag', this._onDrag, this)
+ .off('dragend', this._onDragEnd, this);
+
this._draggable.disable();
},
return this._draggable && this._draggable._moved;
},
- _onDragStart: function (e) {
+ _onDragStart: function () {
this._marker
.closePopup()
.fire('movestart')
.fire('dragstart');
},
- _onDrag: function (e) {
+ _onDrag: function () {
var marker = this._marker,
shadow = marker._shadow,
iconPos = L.DomUtil.getPosition(marker._icon),
});
-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 is a base class for implementing map controls. Handles positioning.
+ * All other controls extend from this class.
+ */
L.Control = L.Class.extend({
options: {
return this;
},
+ getContainer: function () {
+ return this._container;
+ },
+
addTo: function (map) {
this._map = map;
};
+// adds control-related methods to L.Map
+
L.Map.include({
addControl: function (control) {
control.addTo(this);
createCorner('top', 'right');
createCorner('bottom', 'left');
createCorner('bottom', 'right');
+ },
+
+ _clearControlPos: function () {
+ this._container.removeChild(this._controlContainer);
}
});
+/*
+ * L.Control.Zoom is used for the default zoom buttons on the map.
+ */
+
L.Control.Zoom = L.Control.extend({
options: {
position: 'topleft'
},
onAdd: function (map) {
- var className = 'leaflet-control-zoom',
- container = L.DomUtil.create('div', className);
+ var zoomName = 'leaflet-control-zoom',
+ container = L.DomUtil.create('div', zoomName + ' leaflet-bar');
this._map = map;
- this._createButton('Zoom in', className + '-in', container, this._zoomIn, this);
- this._createButton('Zoom out', className + '-out', container, this._zoomOut, this);
+ this._zoomInButton = this._createButton(
+ '+', 'Zoom in', zoomName + '-in', container, this._zoomIn, this);
+ this._zoomOutButton = this._createButton(
+ '-', 'Zoom out', zoomName + '-out', container, this._zoomOut, this);
+
+ map.on('zoomend zoomlevelschange', this._updateDisabled, this);
return container;
},
+ onRemove: function (map) {
+ map.off('zoomend zoomlevelschange', this._updateDisabled, this);
+ },
+
_zoomIn: function (e) {
this._map.zoomIn(e.shiftKey ? 3 : 1);
},
this._map.zoomOut(e.shiftKey ? 3 : 1);
},
- _createButton: function (title, className, container, fn, context) {
+ _createButton: function (html, title, className, container, fn, context) {
var link = L.DomUtil.create('a', className, container);
+ link.innerHTML = html;
link.href = '#';
link.title = title;
+ var stop = L.DomEvent.stopPropagation;
+
L.DomEvent
- .on(link, 'click', L.DomEvent.stopPropagation)
- .on(link, 'mousedown', L.DomEvent.stopPropagation)
- .on(link, 'dblclick', L.DomEvent.stopPropagation)
+ .on(link, 'click', stop)
+ .on(link, 'mousedown', stop)
+ .on(link, 'dblclick', stop)
.on(link, 'click', L.DomEvent.preventDefault)
.on(link, 'click', fn, context);
return link;
+ },
+
+ _updateDisabled: function () {
+ var map = this._map,
+ className = 'leaflet-disabled';
+
+ L.DomUtil.removeClass(this._zoomInButton, className);
+ L.DomUtil.removeClass(this._zoomOutButton, className);
+
+ if (map._zoom === map.getMinZoom()) {
+ L.DomUtil.addClass(this._zoomOutButton, className);
+ }
+ if (map._zoom === map.getMaxZoom()) {
+ L.DomUtil.addClass(this._zoomInButton, className);
+ }
}
});
+/*
+ * L.Control.Attribution is used for displaying attribution on the map (added by default).
+ */
+
L.Control.Attribution = L.Control.extend({
options: {
position: 'bottomright',
- prefix: 'Powered by <a href="http://leafletjs.com">Leaflet</a>'
+ prefix: '<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'
},
initialize: function (options) {
removeAttribution: function (text) {
if (!text) { return; }
- this._attributions[text]--;
- this._update();
+ if (this._attributions[text]) {
+ this._attributions[text]--;
+ this._update();
+ }
return this;
},
var attribs = [];
for (var i in this._attributions) {
- if (this._attributions.hasOwnProperty(i) && this._attributions[i]) {
+ if (this._attributions[i]) {
attribs.push(i);
}
}
prefixAndAttribs.push(attribs.join(', '));
}
- this._container.innerHTML = prefixAndAttribs.join(' — ');
+ this._container.innerHTML = prefixAndAttribs.join(' | ');
},
_onLayerAdd: function (e) {
};
+/*
+ * L.Control.Scale is used for displaying metric/imperial scale on the map.
+ */
+
L.Control.Scale = L.Control.extend({
options: {
position: 'bottomleft',
};
+/*
+ * L.Control.Layers is a control to allow users to switch between different layers on the map.
+ */
+
L.Control.Layers = L.Control.extend({
options: {
collapsed: true,
this._layers = {};
this._lastZIndex = 0;
+ this._handlingClick = false;
for (var i in baseLayers) {
- if (baseLayers.hasOwnProperty(i)) {
- this._addLayer(baseLayers[i], i);
- }
+ this._addLayer(baseLayers[i], i);
}
for (i in overlays) {
- if (overlays.hasOwnProperty(i)) {
- this._addLayer(overlays[i], i, true);
- }
+ this._addLayer(overlays[i], i, true);
}
},
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();
var className = 'leaflet-control-layers',
container = this._container = L.DomUtil.create('div', className);
+ //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released
+ container.setAttribute('aria-haspopup', true);
+
if (!L.Browser.touch) {
L.DomEvent.disableClickPropagation(container);
+ L.DomEvent.on(container, 'mousewheel', L.DomEvent.stopPropagation);
} else {
L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
}
var form = this._form = L.DomUtil.create('form', className + '-list');
if (this.options.collapsed) {
- L.DomEvent
- .on(container, 'mouseover', this._expand, this)
- .on(container, 'mouseout', this._collapse, this);
-
+ if (!L.Browser.android) {
+ 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', L.DomEvent.stop)
.on(link, 'click', this._expand, this);
}
else {
L.DomEvent.on(link, 'focus', this._expand, this);
}
- this._map.on('movestart', this._collapse, this);
+ this._map.on('click', this._collapse, this);
// TODO keyboard accessibility
} else {
this._expand();
this._overlaysList.innerHTML = '';
var baseLayersPresent = false,
- overlaysPresent = false;
+ overlaysPresent = false,
+ i, obj;
- 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;
- }
+ for (i in this._layers) {
+ obj = this._layers[i];
+ this._addItem(obj);
+ overlaysPresent = overlaysPresent || obj.overlay;
+ baseLayersPresent = baseLayersPresent || !obj.overlay;
}
- this._separator.style.display = (overlaysPresent && baseLayersPresent ? '' : 'none');
+ this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
+ },
+
+ _onLayerChange: function (e) {
+ var obj = this._layers[L.stamp(e.layer)];
+
+ if (!obj) { return; }
+
+ if (!this._handlingClick) {
+ this._update();
+ }
+
+ var type = obj.overlay ?
+ (e.type === 'layeradd' ? 'overlayadd' : 'overlayremove') :
+ (e.type === 'layeradd' ? 'baselayerchange' : null);
+
+ if (type) {
+ this._map.fire(type, obj);
+ }
},
// IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
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;
+ inputsLen = inputs.length;
+
+ this._handlingClick = true;
for (i = 0; i < inputsLen; i++) {
input = inputs[i];
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.fire('baselayerchange', {layer: baseLayer});
- }
+ this._handlingClick = false;
},
_expand: function () {
this._el = el;
this._inProgress = true;
+ this._newPos = newPos;
this.fire('start');
// 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 tranisitioned properties, so we imitate this
- this._stepTimer = setInterval(L.bind(this.fire, this, 'step'), 50);
+ // there's no native way to track value updates of transitioned properties, so we imitate this
+ this._stepTimer = setInterval(L.bind(this._onStep, this), 50);
},
stop: function () {
L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
},
+ _onStep: function () {
+ var stepPos = this._getPos();
+ if (!stepPos) {
+ this._onTransitionEnd();
+ return;
+ }
+ // jshint camelcase: false
+ // make L.DomUtil.getPosition return intermediate position value during animation
+ this._el._leaflet_pos = stepPos;
+
+ this.fire('step');
+ },
+
// you can't easily get intermediate values of properties animated with CSS3 Transitions,
// we need to parse computed style (in case of transform it returns matrix string)
- _transformRe: /(-?[\d\.]+), (-?[\d\.]+)\)/,
+ _transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,
_getPos: function () {
var left, top, matches,
if (L.Browser.any3d) {
matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
+ if (!matches) { return; }
left = parseFloat(matches[1]);
top = parseFloat(matches[2]);
} else {
this._el.style[L.DomUtil.TRANSITION] = '';
+ // jshint camelcase: false
+ // make sure L.DomUtil.getPosition returns the final position value after animation
+ this._el._leaflet_pos = this._newPos;
+
clearInterval(this._stepTimer);
this.fire('step').fire('end');
});
+/*
+ * Extends L.Map to handle panning animations.
+ */
L.Map.include({
- setView: function (center, zoom, forceReset) {
+ setView: function (center, zoom, options) {
+
zoom = this._limitZoom(zoom);
+ center = L.latLng(center);
+ options = options || {};
- var zoomChanged = (this._zoom !== zoom);
+ if (this._panAnim) {
+ this._panAnim.stop();
+ }
- if (this._loaded && !forceReset && this._layers) {
+ if (this._loaded && !options.reset && options !== true) {
- if (this._panAnim) {
- this._panAnim.stop();
+ if (options.animate !== undefined) {
+ options.zoom = L.extend({animate: options.animate}, options.zoom);
+ options.pan = L.extend({animate: options.animate}, options.pan);
}
- var done = (zoomChanged ?
- this._zoomToIfClose && this._zoomToIfClose(center, zoom) :
- this._panByIfClose(center));
+ // try animating pan or zoom
+ var animated = (this._zoom !== zoom) ?
+ this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
+ this._tryAnimatedPan(center, options.pan);
- // exit if animated pan or zoom started
- if (done) {
+ if (animated) {
+ // prevent resize handler call, the view will refresh after animation anyway
clearTimeout(this._sizeTimer);
return this;
}
}
- // reset the map view
+ // animation didn't start, just reset the map view
this._resetView(center, zoom);
return this;
},
- panBy: function (offset, duration, easeLinearity) {
- offset = L.point(offset);
+ panBy: function (offset, options) {
+ offset = L.point(offset).round();
+ options = options || {};
- if (!(offset.x || offset.y)) {
+ if (!offset.x && !offset.y) {
return this;
}
}, this);
}
- this.fire('movestart');
+ // don't fire movestart if animating inertia
+ if (!options.noMoveStart) {
+ this.fire('movestart');
+ }
- L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
+ // animate pan unless animate: false specified
+ if (options.animate !== false) {
+ L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
- var newPos = L.DomUtil.getPosition(this._mapPane).subtract(offset);
- this._panAnim.run(this._mapPane, newPos, duration || 0.25, easeLinearity);
+ var newPos = this._getMapPanePos().subtract(offset);
+ this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
+ } else {
+ this._rawPanBy(offset);
+ this.fire('move').fire('moveend');
+ }
return this;
},
this.fire('moveend');
},
- _panByIfClose: function (center) {
+ _tryAnimatedPan: function (center, options) {
// 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;
- },
+ // don't animate too far unless animate: true specified in options
+ if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }
- _offsetIsWithinView: function (offset, multiplyFactor) {
- var m = multiplyFactor || 1,
- size = this.getSize();
+ this.panBy(offset, options);
- return (Math.abs(offset.x) <= size.x * m) &&
- (Math.abs(offset.y) <= size.y * m);
+ return true;
}
});
});
+/*
+ * Extends L.Map to handle zoom animations.
+ */
+
L.Map.mergeOptions({
- zoomAnimation: L.DomUtil.TRANSITION && !L.Browser.android23 && !L.Browser.mobileOpera
+ zoomAnimation: true,
+ zoomAnimationThreshold: 4
});
if (L.DomUtil.TRANSITION) {
+
L.Map.addInitHook(function () {
- L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+ // don't animate on browsers without hardware-accelerated transitions or old Android/Opera
+ this._zoomAnimated = this.options.zoomAnimation && L.DomUtil.TRANSITION &&
+ L.Browser.any3d && !L.Browser.android23 && !L.Browser.mobileOpera;
+
+ // zoom transitions run with the same duration for all layers, so if one of transitionend events
+ // happens after starting zoom animation (propagating to the map pane), we know that it ended globally
+ if (this._zoomAnimated) {
+ L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+ }
});
}
L.Map.include(!L.DomUtil.TRANSITION ? {} : {
- _zoomToIfClose: function (center, zoom) {
+ _catchTransitionEnd: function () {
+ if (this._animatingZoom) {
+ this._onZoomTransitionEnd();
+ }
+ },
+
+ _nothingToAnimate: function () {
+ return !this._container.getElementsByClassName('leaflet-zoom-animated').length;
+ },
+
+ _tryAnimatedZoom: function (center, zoom, options) {
if (this._animatingZoom) { return true; }
- if (!this.options.zoomAnimation) { return false; }
+ options = options || {};
- var scale = this.getZoomScale(zoom),
- offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale);
+ // don't animate if disabled, not supported or zoom difference is too large
+ if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate() ||
+ Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
- // if offset does not exceed half of the view
- if (!this._offsetIsWithinView(offset, 1)) { return false; }
+ // offset is the pixel coords of the zoom origin relative to the current center
+ var scale = this.getZoomScale(zoom),
+ offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale),
+ origin = this._getCenterLayerPoint()._add(offset);
- L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+ // don't animate if the zoom origin isn't within one screen from the current center, unless forced
+ if (options.animate !== true && !this.getSize().contains(offset)) { return false; }
this
.fire('movestart')
.fire('zoomstart');
- this.fire('zoomanim', {
- center: center,
- zoom: zoom
- });
-
- var origin = this._getCenterLayerPoint().add(offset);
-
- this._prepareTileBg();
- this._runAnimation(center, zoom, scale, origin);
+ this._animateZoom(center, zoom, origin, scale, null, true);
return true;
},
- _catchTransitionEnd: function (e) {
- if (this._animatingZoom) {
- this._onZoomTransitionEnd();
- }
- },
+ _animateZoom: function (center, zoom, origin, scale, delta, backwards) {
+
+ this._animatingZoom = true;
- _runAnimation: function (center, zoom, scale, origin, backwardsTransform) {
+ // put transform transition on all layers with leaflet-zoom-animated class
+ L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+
+ // remember what center/zoom to set after animation
this._animateToCenter = center;
this._animateToZoom = zoom;
- this._animatingZoom = true;
+ // disable any dragging during animation
if (L.Draggable) {
L.Draggable._disabled = true;
}
- var transform = L.DomUtil.TRANSFORM,
- tileBg = this._tileBg;
+ this.fire('zoomanim', {
+ center: center,
+ zoom: zoom,
+ origin: origin,
+ scale: scale,
+ delta: delta,
+ backwards: backwards
+ });
+ },
- clearTimeout(this._clearTileBgTimer);
+ _onZoomTransitionEnd: function () {
- L.Util.falseFn(tileBg.offsetWidth); //hack to make sure transform is updated before running animation
+ this._animatingZoom = false;
- var scaleStr = L.DomUtil.getScaleString(scale, origin),
- oldTransform = tileBg.style[transform];
+ L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
- tileBg.style[transform] = backwardsTransform ?
- oldTransform + ' ' + scaleStr :
- scaleStr + ' ' + oldTransform;
- },
+ this._resetView(this._animateToCenter, this._animateToZoom, true, true);
- _prepareTileBg: function () {
- var tilePane = this._tilePane,
- tileBg = this._tileBg;
+ if (L.Draggable) {
+ L.Draggable._disabled = false;
+ }
+ }
+});
- // 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;
+/*
+ Zoom animation logic for L.TileLayer.
+*/
+
+L.TileLayer.include({
+ _animateZoom: function (e) {
+ if (!this._animating) {
+ this._animating = true;
+ this._prepareBgBuffer();
}
- if (!tileBg) {
- tileBg = this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane);
- tileBg.style.zIndex = 1;
+ var bg = this._bgBuffer,
+ transform = L.DomUtil.TRANSFORM,
+ initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform],
+ scaleStr = L.DomUtil.getScaleString(e.scale, e.origin);
+
+ bg.style[transform] = e.backwards ?
+ scaleStr + ' ' + initialTransform :
+ initialTransform + ' ' + scaleStr;
+ },
+
+ _endZoomAnim: function () {
+ var front = this._tileContainer,
+ bg = this._bgBuffer;
+
+ front.style.visibility = '';
+ front.parentNode.appendChild(front); // Bring to fore
+
+ // force reflow
+ L.Util.falseFn(bg.offsetWidth);
+
+ this._animating = false;
+ },
+
+ _clearBgBuffer: function () {
+ var map = this._map;
+
+ if (map && !map._animatingZoom && !map.touchZoom._zooming) {
+ this._bgBuffer.innerHTML = '';
+ this._bgBuffer.style[L.DomUtil.TRANSFORM] = '';
}
+ },
+
+ _prepareBgBuffer: function () {
- // prepare the background pane to become the main tile pane
- tileBg.style[L.DomUtil.TRANSFORM] = '';
- tileBg.style.visibility = 'hidden';
+ var front = this._tileContainer,
+ bg = this._bgBuffer;
- // tells tile layers to reinitialize their containers
- tileBg.empty = true; //new FG
- tilePane.empty = false; //new BG
+ // if foreground layer doesn't have many tiles but bg layer does,
+ // keep the existing bg layer and just zoom it some more
- //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;
+ var bgLoaded = this._getLoadedTilesPercentage(bg),
+ frontLoaded = this._getLoadedTilesPercentage(front);
- L.DomUtil.addClass(newTileBg, 'leaflet-zoom-animated');
+ if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {
- this._stopLoadingImages(newTileBg);
+ front.style.visibility = 'hidden';
+ this._stopLoadingImages(front);
+ return;
+ }
+
+ // prepare the buffer to become the front tile pane
+ bg.style.visibility = 'hidden';
+ bg.style[L.DomUtil.TRANSFORM] = '';
+
+ // switch out the current layer to be the new bg layer (and vice-versa)
+ this._tileContainer = bg;
+ bg = this._bgBuffer = front;
+
+ this._stopLoadingImages(bg);
+
+ //prevent bg buffer from clearing right after zoom
+ clearTimeout(this._clearBgBufferTimer);
},
_getLoadedTilesPercentage: function (container) {
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.
+ * Provides L.Map with convenient shortcuts for using browser geolocation features.
*/
L.Map.include({
locate: function (/*Object*/ options) {
- options = this._locationOptions = L.extend(this._defaultLocateOptions, options);
+ options = this._locateOptions = L.extend(this._defaultLocateOptions, options);
if (!navigator.geolocation) {
this._handleGeolocationError({
code: 0,
- message: "Geolocation not supported."
+ message: 'Geolocation not supported.'
});
return this;
}
if (navigator.geolocation) {
navigator.geolocation.clearWatch(this._locationWatchId);
}
+ if (this._locateOptions) {
+ this._locateOptions.setView = false;
+ }
return this;
},
_handleGeolocationError: function (error) {
var c = error.code,
message = error.message ||
- (c === 1 ? "permission denied" :
- (c === 2 ? "position unavailable" : "timeout"));
+ (c === 1 ? 'permission denied' :
+ (c === 2 ? 'position unavailable' : 'timeout'));
- if (this._locationOptions.setView && !this._loaded) {
+ if (this._locateOptions.setView && !this._loaded) {
this.fitWorld();
}
this.fire('locationerror', {
code: c,
- message: "Geolocation error: " + message + "."
+ message: 'Geolocation error: ' + message + '.'
});
},
_handleGeolocationResponse: function (pos) {
- var latAccuracy = 180 * pos.coords.accuracy / 4e7,
- lngAccuracy = latAccuracy * 2,
-
- lat = pos.coords.latitude,
+ var 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),
+ latAccuracy = 180 * pos.coords.accuracy / 40075017,
+ lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),
- options = this._locationOptions;
+ bounds = L.latLngBounds(
+ [lat - latAccuracy, lng - lngAccuracy],
+ [lat + latAccuracy, lng + lngAccuracy]),
+
+ options = this._locateOptions;
if (options.setView) {
var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
this.setView(latlng, zoom);
}
- this.fire('locationfound', {
+ var data = {
latlng: latlng,
- bounds: bounds,
- accuracy: pos.coords.accuracy
- });
- }
-});
+ bounds: bounds
+ };
+ for (var i in pos.coords) {
+ if (typeof pos.coords[i] === 'number') {
+ data[i] = pos.coords[i];
+ }
+ }
+ this.fire('locationfound', data);
+ }
+});
-}(this));
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+}(window, document));
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projects / rails.git / blobdiff