Merge branch 'master' of http://service.routetopa.eu:7480/WebCompDev/COMPONENTS

Andrea Petta
2 parents 41d18347 899e9758
Showing 16 changed files with 9923 additions and 5 deletions
controllets/data-table-controllet/data-table-controllet.html
controllets/select-visualization-controllet/select-datalet-inputs.html
datalets/base-ajax-json-alasql-datalet/base-ajax-json-alasql-datalet.html
datalets/leafletjs-geojson-datalet/demo/index.html
datalets/leafletjs-geojson-datalet/docs.html
datalets/leafletjs-geojson-datalet/leafletjs-geojson-datalet.html
datalets/leafletjs-geojson-datalet/leafletjs-geojson-datalet.png
datalets/leafletjs-geojson-datalet/leafletsjs/images/layers-2x.png
datalets/leafletjs-geojson-datalet/leafletsjs/images/layers.png
datalets/leafletjs-geojson-datalet/leafletsjs/images/marker-icon-2x.png
datalets/leafletjs-geojson-datalet/leafletsjs/images/marker-icon.png
datalets/leafletjs-geojson-datalet/leafletsjs/images/marker-shadow.png
datalets/leafletjs-geojson-datalet/leafletsjs/leaflet-src.js
datalets/leafletjs-geojson-datalet/leafletsjs/leaflet.css
datalets/leafletjs-geojson-datalet/leafletsjs/leaflet.js
locales/controllet_ln.js
@@ -335,13 +335,14 @@
  
                 this._resize();
  
-                this.$.tooltip_wornings.show();
+                this.async(function() {
+                    this.$.tooltip_wornings.show();
+                }, 100);
             },
  
             reset : function(){
                 this.setData([]);
                 $(this.$.tbody).animate({ scrollTop: 0}, 0);
-//                this.filter = "";
             },
  
             _onPrevClick : function(){
@@ -478,7 +479,7 @@
                     var w = $(this.$.data_table_container).width();
                     $(this.$.tbody).width(w).height(h);
                     $(this.$.tbody).perfectScrollbar('update');
-                }, 1);
+                }, 0);
             }
  
         });
@@ -276,7 +276,11 @@
  
             setInputs : function(inputs) {
                 var temp =  this._copy(inputs);
-                if (inputs.constructor != Array) {//table --> 1 input
+                if (inputs.constructor != Array && inputs.name == "GEOJSON") {
+                    temp = [];
+                    temp.push(inputs);
+                }
+                else if (inputs.constructor != Array) {//table --> 1 input
                     var name = inputs.name;
                     var description = inputs.description;
                     var selection = inputs.selection;
@@ -34,7 +34,7 @@
 <script type="text/javascript" src="../../alasql-utility/alasql.min.js"></script>
 <script type="text/javascript" src="../../alasql-utility/alasql-utility.js"></script>
  
-<script type="text/javascript" src="../../bower_components/JSDataChecker/jsdatachecker.min.js"></script>
+<script type="text/javascript" src="../../bower_components/jsdatachecker/jsdatachecker.min.js"></script>
  
 <!--
 The `base-ajax-json-jsonpath-datalet` extend the base component and define the mechanism to access and select data.
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title></title>
+
+    <script>
+    </script>
+
+</head>
+<body>
+
+<script src="https://code.jquery.com/jquery-2.1.4.min.js" type="text/javascript"></script>
+<link rel="import" href="../leafletjs-datalet.html" />
+
+<leafletjs-datalet data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=73e02092-85a1-434e-85fe-0c9a43aa9a52&amp;limit=10000"
+                   fields='["result,records,Lat","result,records,Lng", "result,records,Link"]'></leafletjs-datalet>
+
+
+</body>
+</html>
 \ No newline at end of file
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <link rel="import"  href="../../bower_components/iron-component-page/iron-component-page.html">
+    <meta charset="UTF-8">
+</head>
+<body>
+
+<iron-component-page src="leafletjs-datalet.html"></iron-component-page>
+
+</body>
+</html>
 \ No newline at end of file
+<!--
+@license
+    The MIT License (MIT)
+
+    Copyright (c) 2015 Dipartimento di Informatica - Università di Salerno - Italy
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+-->
+
+<!--
+* Developed by :
+* ROUTE-TO-PA Project - grant No 645860. - www.routetopa.eu
+*
+-->
+
+<link rel="import" href="../base-ajax-json-alasql-datalet/base-ajax-json-alasql-datalet.html">
+
+<!--
+
+`leafletjs-datalet` is a map datalet based on open source project leafletjs <http://leafletjs.com/>
+
+Example:
+
+    <leafletjs-datalet
+        data-url="http://ckan.routetopa.eu/api/action/datastore_search?resource_id=#"
+        fields='["field1","field2"]'>
+    </leafletjs-datalet>
+
+@element leafletjs-datalet
+@status v0.1
+@demo demo/index.html
+@group datalets
+-->
+
+<dom-module name="leafletjs-geojson-datalet">
+    <template>
+        <link rel="stylesheet" href="leafletsjs/leaflet.css" />
+        <style>
+            #leafletjs {height: 600px;}
+        </style>
+
+        <div id="leafletjs"></div>
+        <base-ajax-json-alasql-datalet data-url="{{dataUrl}}" fields="{{fields}}" data="{{data}}" title="{{title}}" description="{{description}}" export_menu="{{export_menu}}"></base-ajax-json-alasql-datalet>
+
+    </template>
+
+    <script src="leafletsjs/leaflet.js"></script>
+
+    <script>
+
+        var leafletjsBehavior = {
+
+            /**
+             * Read markers coordinates from the data object and add the marker to the map.
+             * Call a method for the map redraw and set the viewport in order to fit all the markers in the viewport..
+             *
+             * @method transformData
+             */
+            presentData: function(){
+
+                var t = this;
+                try{
+                    this._component.map = L.map(this._component.$.leafletjs).setView([0, 0], 13, {reset:true});
+                }catch(e){}
+
+
+                L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
+                    maxZoom: 18,
+                    attribution: 'Map data © <a href="http://openstreetmap.org">OpenStreetMap</a> contributors'
+                }).addTo(this._component.map);
+
+
+                L.Icon.Default.imagePath = 'http://services.routetopa.eu/DEEalerProvider/COMPONENTS/datalets/leafletjs-datalet/leafletsjs/images';
+
+                var coordinates = [];
+                var coordinates_index  = 0;
+                var isArray = t.data[0].data[0].constructor === Array;
+
+                for(var i=0; i<t.data[0].data.length; i++)
+                {
+                    if(isArray)
+                    {
+                        if(!isNaN(t.data[0].data[i][0]) && !isNaN(t.data[0].data[i][1]))
+                            coordinates.push([parseFloat(t.data[0].data[i][0]), parseFloat(t.data[0].data[i][1])]);
+                        else
+                            continue;
+                    }
+                    else
+                    {
+                        if(!isNaN(t.data[0].data[i]) && !isNaN(t.data[1].data[i]))
+                            coordinates.push([parseFloat(t.data[0].data[i]), parseFloat(t.data[1].data[i])]);
+                        else
+                            continue;
+                    }
+
+                    var marker = L.marker([coordinates[coordinates_index][0], coordinates[coordinates_index][1]]).addTo(t._component.map);
+                    coordinates_index++;
+
+                    if(t.data.length > 2)
+                    {
+                        var popupText = "";
+                        for(var j=2; j<t.data.length; j++)
+                        {
+                            if(typeof t.data[j] != 'undefined' && typeof t.data[j].data[i] != 'undefined')
+                            {
+                                if (t.data[j].data[i].toString().match(new RegExp("^(http[s]?:\\/\\/(www\\.)?|ftp:\\/\\/(www\\.)?|www\\.){1}([0-9A-Za-z-\\.@:%_\+~#=]+)+((\\.[a-zA-Z]{2,3})+)(/(.)*)?(\\?(.)*)?")))
+                                    popupText += '<image height="100" width="100" src="' + t.data[j].data[i] + '" /><br/>';
+                                else
+                                    popupText += '<span>' + t.data[j].name + ' : ' + t.data[j].data[i] + '</span><br/>'
+                            }
+                        }
+
+                        var popup = L.popup().setContent(popupText);
+                        marker.bindPopup(popup);
+                    }
+                }
+
+                t._component.map._onResize();
+                t._component.map.invalidateSize(false);
+                t._component.map.fitBounds(coordinates);
+
+            }
+        };
+
+
+        Polymer({
+
+            is : 'leafletjs-geojson-datalet',
+
+            properties : {
+                /**
+                 * Store a reference to the leafletjs map object created in 'ready' callback
+                 * @attribute map
+                 * @type Object
+                 */
+                map :
+                {
+                    type: Object,
+                    value:null
+                },
+                /**
+                 * An Array with all the markers extracted from the dataset
+                 * @attribute markers
+                 * @type Array
+                 */
+                markers :
+                {
+                    type : Array,
+                    value : []
+                },
+                /**
+                 * It's the component behavior
+                 *
+                 * @attribute behavior
+                 * @type Object
+                 * @default {}
+                 */
+                behavior : {
+                    type : Object,
+                    value : {}
+                },
+                /**
+                 * Control the export menu
+                 * xxxx BITMASK. FROM RIGHT : HTML, PNG, RTF, MY SPACE (eg. 1111 show all, 0000 hide all)
+                 *
+                 * @attribute export_menu
+                 * @type Number
+                 * @default 15
+                 */
+                export_menu : {
+                    type  : Number,
+                    value : 9 // xxxx BITMASK. FROM RIGHT : HTML, PNG, RTF, MY SPACE (eg. 1111 show all, 0000 hide all)
+                }
+            },
+
+            /**
+             * 'ready' callback create the map object, set the tileLayer to openstreetmap and the default icon image path.
+             * Moreover extend the leafletjsComponentBehavior with BaseDataletBehavior, WorkcycleBehavior and leafletjsBehavior
+             * and run the Datalet workcycle.
+             *
+             * @method ready
+             */
+            ready: function(){
+                this.behavior =  $.extend(true, {}, BaseDataletBehavior, WorkcycleBehavior, AjaxJsonAlasqlBehavior, leafletjsBehavior);
+                this.async(function(){this.behavior.init(this)},100);
+            }
+        });
+    </script>
+</dom-module>
+
+/*
+ Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
+ (c) 2010-2013, Vladimir Agafonkin
+ (c) 2010-2011, CloudMade
+*/
+(function (window, document, undefined) {
+var oldL = window.L,
+    L = {};
+
+L.version = '0.7.3';
+
+// define Leaflet for Node module pattern loaders, including Browserify
+if (typeof module === 'object' && typeof module.exports === 'object') {
+	module.exports = L;
+
+// define Leaflet as an AMD module
+} else if (typeof define === 'function' && define.amd) {
+	define(L);
+}
+
+// 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 contains various utility functions used throughout Leaflet code.
+ */
+
+L.Util = {
+	extend: function (dest) { // (Object[, Object, ...]) ->
+		var sources = Array.prototype.slice.call(arguments, 1),
+		    i, j, len, src;
+
+		for (j = 0, len = sources.length; j < len; j++) {
+			src = sources[j] || {};
+			for (i in src) {
+				if (src.hasOwnProperty(i)) {
+					dest[i] = src[i];
+				}
+			}
+		}
+		return dest;
+	},
+
+	bind: function (fn, obj) { // (Function, Object) -> Function
+		var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
+		return function () {
+			return fn.apply(obj, args || arguments);
+		};
+	},
+
+	stamp: (function () {
+		var lastId = 0,
+		    key = '_leaflet_id';
+		return function (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 function wrapperFn() {
+			var args = arguments;
+
+			if (lock) {
+				execOnUnlock = true;
+				return;
+			}
+
+			lock = true;
+
+			setTimeout(function () {
+				lock = false;
+
+				if (execOnUnlock) {
+					wrapperFn.apply(context, args);
+					execOnUnlock = false;
+				}
+			}, time);
+
+			fn.apply(context, args);
+		};
+	},
+
+	falseFn: function () {
+		return false;
+	},
+
+	formatNum: function (num, digits) {
+		var pow = Math.pow(10, digits || 5);
+		return Math.round(num * pow) / pow;
+	},
+
+	trim: function (str) {
+		return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
+	},
+
+	splitWords: function (str) {
+		return L.Util.trim(str).split(/\s+/);
+	},
+
+	setOptions: function (obj, options) {
+		obj.options = L.extend({}, obj.options, options);
+		return obj.options;
+	},
+
+	getParamString: function (obj, existingUrl, uppercase) {
+		var params = [];
+		for (var i in obj) {
+			params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
+		}
+		return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
+	},
+	template: function (str, data) {
+		return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
+			var value = data[key];
+			if (value === undefined) {
+				throw new Error('No value provided for variable ' + str);
+			} else if (typeof value === 'function') {
+				value = value(data);
+			}
+			return value;
+		});
+	},
+
+	isArray: Array.isArray || function (obj) {
+		return (Object.prototype.toString.call(obj) === '[object Array]');
+	},
+
+	emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
+};
+
+(function () {
+
+	// inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+
+	function getPrefixed(name) {
+		var i, fn,
+		    prefixes = ['webkit', 'moz', 'o', 'ms'];
+
+		for (i = 0; i < prefixes.length && !fn; i++) {
+			fn = window[prefixes[i] + name];
+		}
+
+		return fn;
+	}
+
+	var lastTime = 0;
+
+	function timeoutDefer(fn) {
+		var time = +new Date(),
+		    timeToCall = Math.max(0, 16 - (time - lastTime));
+
+		lastTime = time + timeToCall;
+		return window.setTimeout(fn, timeToCall);
+	}
+
+	var requestFn = window.requestAnimationFrame ||
+	        getPrefixed('RequestAnimationFrame') || timeoutDefer;
+
+	var cancelFn = window.cancelAnimationFrame ||
+	        getPrefixed('CancelAnimationFrame') ||
+	        getPrefixed('CancelRequestAnimationFrame') ||
+	        function (id) { window.clearTimeout(id); };
+
+
+	L.Util.requestAnimFrame = function (fn, context, immediate, element) {
+		fn = L.bind(fn, context);
+
+		if (immediate && requestFn === timeoutDefer) {
+			fn();
+		} else {
+			return requestFn.call(window, fn, element);
+		}
+	};
+
+	L.Util.cancelAnimFrame = function (id) {
+		if (id) {
+			cancelFn.call(window, id);
+		}
+	};
+
+}());
+
+// shortcuts for most used utility functions
+L.extend = L.Util.extend;
+L.bind = L.Util.bind;
+L.stamp = L.Util.stamp;
+L.setOptions = L.Util.setOptions;
+
+
+/*
+ * 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 (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
+	var F = function () {};
+	F.prototype = this.prototype;
+
+	var proto = new F();
+	proto.constructor = NewClass;
+
+	NewClass.prototype = proto;
+
+	//inherit parent's statics
+	for (var i in this) {
+		if (this.hasOwnProperty(i) && i !== 'prototype') {
+			NewClass[i] = this[i];
+		}
+	}
+
+	// mix static properties into the class
+	if (props.statics) {
+		L.extend(NewClass, props.statics);
+		delete props.statics;
+	}
+
+	// mix includes into the prototype
+	if (props.includes) {
+		L.Util.extend.apply(null, [proto].concat(props.includes));
+		delete props.includes;
+	}
+
+	// merge options
+	if (props.options && proto.options) {
+		props.options = L.extend({}, proto.options, props.options);
+	}
+
+	// mix given properties into the prototype
+	L.extend(proto, props);
+
+	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;
+};
+
+
+// method for adding properties to prototype
+L.Class.include = function (props) {
+	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 is used to add custom events functionality to Leaflet classes.
+ */
+
+var eventsKey = '_leaflet_events';
+
+L.Mixin = {};
+
+L.Mixin.Events = {
+
+	addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
+
+		// 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 && context !== this && 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++) {
+			event = {
+				action: fn,
+				context: context || this
+			};
+			type = types[i];
+
+			if (contextId) {
+				// 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
+		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])
+
+		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 && context !== this && 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];
+				delete events[indexLenKey];
+
+			} else {
+				listeners = contextId && 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;
+						}
+					}
+
+					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.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, event);
+			}
+		}
+
+		// fire event for the context-indexed listeners as well
+		typeIndex = events[type + '_idx'];
+
+		for (contextId in typeIndex) {
+			listeners = typeIndex[contextId].slice();
+
+			if (listeners) {
+				for (i = 0, len = listeners.length; i < len; i++) {
+					listeners[i].action.call(listeners[i].context, 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 = 'ActiveXObject' in window,
+		ielt9 = ie && !document.addEventListener,
+
+	    // terrible browser detection to work around Safari / iOS / Android browser bugs
+	    ua = navigator.userAgent.toLowerCase(),
+	    webkit = ua.indexOf('webkit') !== -1,
+	    chrome = ua.indexOf('chrome') !== -1,
+	    phantomjs = ua.indexOf('phantom') !== -1,
+	    android = ua.indexOf('android') !== -1,
+	    android23 = ua.search('android [23]') !== -1,
+		gecko = ua.indexOf('gecko') !== -1,
+
+	    mobile = typeof orientation !== undefined + '',
+	    msPointer = window.navigator && window.navigator.msPointerEnabled &&
+	              window.navigator.msMaxTouchPoints && !window.PointerEvent,
+		pointer = (window.PointerEvent && window.navigator.pointerEnabled && window.navigator.maxTouchPoints) ||
+				  msPointer,
+	    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()) && !android23,
+	    gecko3d = 'MozPerspective' in doc.style,
+	    opera3d = 'OTransition' in doc.style,
+	    any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
+
+
+	// PhantomJS has 'ontouchstart' in document.documentElement, but doesn't actually support touch.
+	// https://github.com/Leaflet/Leaflet/pull/1434#issuecomment-13843151
+
+	var touch = !window.L_NO_TOUCH && !phantomjs && (function () {
+
+		var startName = 'ontouchstart';
+
+		// IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.Pointer) or WebKit, etc.
+		if (pointer || (startName in doc)) {
+			return true;
+		}
+
+		// Firefox/Gecko
+		var div = document.createElement('div'),
+		    supported = false;
+
+		if (!div.setAttribute) {
+			return false;
+		}
+		div.setAttribute(startName, 'return;');
+
+		if (typeof div[startName] === 'function') {
+			supported = true;
+		}
+
+		div.removeAttribute(startName);
+		div = null;
+
+		return supported;
+	}());
+
+
+	L.Browser = {
+		ie: ie,
+		ielt9: ielt9,
+		webkit: webkit,
+		gecko: gecko && !webkit && !window.opera && !ie,
+
+		android: android,
+		android23: android23,
+
+		chrome: chrome,
+
+		ie3d: ie3d,
+		webkit3d: webkit3d,
+		gecko3d: gecko3d,
+		opera3d: opera3d,
+		any3d: any3d,
+
+		mobile: mobile,
+		mobileWebkit: mobile && webkit,
+		mobileWebkit3d: mobile && webkit3d,
+		mobileOpera: mobile && window.opera,
+
+		touch: touch,
+		msPointer: msPointer,
+		pointer: pointer,
+
+		retina: retina
+	};
+
+}());
+
+
+/*
+ * L.Point represents a point with x and y coordinates.
+ */
+
+L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {
+	this.x = (round ? Math.round(x) : x);
+	this.y = (round ? Math.round(y) : y);
+};
+
+L.Point.prototype = {
+
+	clone: function () {
+		return new L.Point(this.x, this.y);
+	},
+
+	// non-destructive, returns a new point
+	add: function (point) {
+		return this.clone()._add(L.point(point));
+	},
+
+	// destructive, used directly for performance in situations where it's safe to modify existing point
+	_add: function (point) {
+		this.x += point.x;
+		this.y += point.y;
+		return this;
+	},
+
+	subtract: function (point) {
+		return this.clone()._subtract(L.point(point));
+	},
+
+	_subtract: function (point) {
+		this.x -= point.x;
+		this.y -= point.y;
+		return this;
+	},
+
+	divideBy: function (num) {
+		return this.clone()._divideBy(num);
+	},
+
+	_divideBy: function (num) {
+		this.x /= num;
+		this.y /= num;
+		return this;
+	},
+
+	multiplyBy: function (num) {
+		return this.clone()._multiplyBy(num);
+	},
+
+	_multiplyBy: function (num) {
+		this.x *= num;
+		this.y *= num;
+		return this;
+	},
+
+	round: function () {
+		return this.clone()._round();
+	},
+
+	_round: function () {
+		this.x = Math.round(this.x);
+		this.y = Math.round(this.y);
+		return this;
+	},
+
+	floor: function () {
+		return this.clone()._floor();
+	},
+
+	_floor: function () {
+		this.x = Math.floor(this.x);
+		this.y = Math.floor(this.y);
+		return this;
+	},
+
+	distanceTo: function (point) {
+		point = L.point(point);
+
+		var x = point.x - this.x,
+		    y = point.y - this.y;
+
+		return Math.sqrt(x * x + y * y);
+	},
+
+	equals: function (point) {
+		point = L.point(point);
+
+		return point.x === this.x &&
+		       point.y === this.y;
+	},
+
+	contains: function (point) {
+		point = L.point(point);
+
+		return Math.abs(point.x) <= Math.abs(this.x) &&
+		       Math.abs(point.y) <= Math.abs(this.y);
+	},
+
+	toString: function () {
+		return 'Point(' +
+		        L.Util.formatNum(this.x) + ', ' +
+		        L.Util.formatNum(this.y) + ')';
+	}
+};
+
+L.point = function (x, y, round) {
+	if (x instanceof L.Point) {
+		return x;
+	}
+	if (L.Util.isArray(x)) {
+		return new L.Point(x[0], x[1]);
+	}
+	if (x === undefined || x === null) {
+		return x;
+	}
+	return new L.Point(x, y, round);
+};
+
+
+/*
+ * L.Bounds represents a rectangular area on the screen in pixel coordinates.
+ */
+
+L.Bounds = function (a, b) { //(Point, Point) or Point[]
+	if (!a) { return; }
+
+	var points = b ? [a, b] : a;
+
+	for (var i = 0, len = points.length; i < len; i++) {
+		this.extend(points[i]);
+	}
+};
+
+L.Bounds.prototype = {
+	// extend the bounds to contain the given point
+	extend: function (point) { // (Point)
+		point = L.point(point);
+
+		if (!this.min && !this.max) {
+			this.min = point.clone();
+			this.max = point.clone();
+		} else {
+			this.min.x = Math.min(point.x, this.min.x);
+			this.max.x = Math.max(point.x, this.max.x);
+			this.min.y = Math.min(point.y, this.min.y);
+			this.max.y = Math.max(point.y, this.max.y);
+		}
+		return this;
+	},
+
+	getCenter: function (round) { // (Boolean) -> Point
+		return new L.Point(
+		        (this.min.x + this.max.x) / 2,
+		        (this.min.y + this.max.y) / 2, round);
+	},
+
+	getBottomLeft: function () { // -> Point
+		return new L.Point(this.min.x, this.max.y);
+	},
+
+	getTopRight: function () { // -> Point
+		return new L.Point(this.max.x, this.min.y);
+	},
+
+	getSize: function () {
+		return this.max.subtract(this.min);
+	},
+
+	contains: function (obj) { // (Bounds) or (Point) -> Boolean
+		var min, max;
+
+		if (typeof obj[0] === 'number' || obj instanceof L.Point) {
+			obj = L.point(obj);
+		} else {
+			obj = L.bounds(obj);
+		}
+
+		if (obj instanceof L.Bounds) {
+			min = obj.min;
+			max = obj.max;
+		} else {
+			min = max = obj;
+		}
+
+		return (min.x >= this.min.x) &&
+		       (max.x <= this.max.x) &&
+		       (min.y >= this.min.y) &&
+		       (max.y <= this.max.y);
+	},
+
+	intersects: function (bounds) { // (Bounds) -> Boolean
+		bounds = L.bounds(bounds);
+
+		var min = this.min,
+		    max = this.max,
+		    min2 = bounds.min,
+		    max2 = bounds.max,
+		    xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
+		    yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
+
+		return xIntersects && yIntersects;
+	},
+
+	isValid: function () {
+		return !!(this.min && this.max);
+	}
+};
+
+L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
+	if (!a || a instanceof L.Bounds) {
+		return a;
+	}
+	return new L.Bounds(a, b);
+};
+
+
+/*
+ * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
+ */
+
+L.Transformation = function (a, b, c, d) {
+	this._a = a;
+	this._b = b;
+	this._c = c;
+	this._d = d;
+};
+
+L.Transformation.prototype = {
+	transform: function (point, scale) { // (Point, Number) -> Point
+		return this._transform(point.clone(), scale);
+	},
+
+	// destructive transform (faster)
+	_transform: function (point, scale) {
+		scale = scale || 1;
+		point.x = scale * (this._a * point.x + this._b);
+		point.y = scale * (this._c * point.y + this._d);
+		return point;
+	},
+
+	untransform: function (point, scale) {
+		scale = scale || 1;
+		return new L.Point(
+		        (point.x / scale - this._b) / this._a,
+		        (point.y / scale - this._d) / this._c);
+	}
+};
+
+
+/*
+ * L.DomUtil contains various utility functions for working with DOM.
+ */
+
+L.DomUtil = {
+	get: function (id) {
+		return (typeof id === 'string' ? document.getElementById(id) : id);
+	},
+
+	getStyle: function (el, style) {
+
+		var value = el.style[style];
+
+		if (!value && el.currentStyle) {
+			value = el.currentStyle[style];
+		}
+
+		if ((!value || value === 'auto') && document.defaultView) {
+			var css = document.defaultView.getComputedStyle(el, null);
+			value = css ? css[style] : null;
+		}
+
+		return value === 'auto' ? null : value;
+	},
+
+	getViewportOffset: function (element) {
+
+		var top = 0,
+		    left = 0,
+		    el = element,
+		    docBody = document.body,
+		    docEl = document.documentElement,
+		    pos;
+
+		do {
+			top  += el.offsetTop  || 0;
+			left += el.offsetLeft || 0;
+
+			//add borders
+			top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
+			left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
+
+			pos = L.DomUtil.getStyle(el, 'position');
+
+			if (el.offsetParent === docBody && pos === 'absolute') { break; }
+
+			if (pos === 'fixed') {
+				top  += docBody.scrollTop  || docEl.scrollTop  || 0;
+				left += docBody.scrollLeft || docEl.scrollLeft || 0;
+				break;
+			}
+
+			if (pos === 'relative' && !el.offsetLeft) {
+				var width = L.DomUtil.getStyle(el, 'width'),
+				    maxWidth = L.DomUtil.getStyle(el, 'max-width'),
+				    r = el.getBoundingClientRect();
+
+				if (width !== 'none' || maxWidth !== 'none') {
+					left += r.left + el.clientLeft;
+				}
+
+				//calculate full y offset since we're breaking out of the loop
+				top += r.top + (docBody.scrollTop  || docEl.scrollTop  || 0);
+
+				break;
+			}
+
+			el = el.offsetParent;
+
+		} while (el);
+
+		el = element;
+
+		do {
+			if (el === docBody) { break; }
+
+			top  -= el.scrollTop  || 0;
+			left -= el.scrollLeft || 0;
+
+			el = el.parentNode;
+		} while (el);
+
+		return new L.Point(left, top);
+	},
+
+	documentIsLtr: function () {
+		if (!L.DomUtil._docIsLtrCached) {
+			L.DomUtil._docIsLtrCached = true;
+			L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
+		}
+		return L.DomUtil._docIsLtr;
+	},
+
+	create: function (tagName, className, container) {
+
+		var el = document.createElement(tagName);
+		el.className = className;
+
+		if (container) {
+			container.appendChild(el);
+		}
+
+		return el;
+	},
+
+	hasClass: function (el, name) {
+		if (el.classList !== undefined) {
+			return el.classList.contains(name);
+		}
+		var className = L.DomUtil._getClass(el);
+		return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
+	},
+
+	addClass: function (el, name) {
+		if (el.classList !== undefined) {
+			var classes = L.Util.splitWords(name);
+			for (var i = 0, len = classes.length; i < len; i++) {
+				el.classList.add(classes[i]);
+			}
+		} else if (!L.DomUtil.hasClass(el, name)) {
+			var className = L.DomUtil._getClass(el);
+			L.DomUtil._setClass(el, (className ? className + ' ' : '') + name);
+		}
+	},
+
+	removeClass: function (el, name) {
+		if (el.classList !== undefined) {
+			el.classList.remove(name);
+		} else {
+			L.DomUtil._setClass(el, L.Util.trim((' ' + L.DomUtil._getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
+		}
+	},
+
+	_setClass: function (el, name) {
+		if (el.className.baseVal === undefined) {
+			el.className = name;
+		} else {
+			// in case of SVG element
+			el.className.baseVal = name;
+		}
+	},
+
+	_getClass: function (el) {
+		return el.className.baseVal === undefined ? el.className : el.className.baseVal;
+	},
+
+	setOpacity: function (el, value) {
+
+		if ('opacity' in el.style) {
+			el.style.opacity = value;
+
+		} else if ('filter' in el.style) {
+
+			var filter = false,
+			    filterName = 'DXImageTransform.Microsoft.Alpha';
+
+			// filters collection throws an error if we try to retrieve a filter that doesn't exist
+			try {
+				filter = el.filters.item(filterName);
+			} catch (e) {
+				// don't set opacity to 1 if we haven't already set an opacity,
+				// it isn't needed and breaks transparent pngs.
+				if (value === 1) { return; }
+			}
+
+			value = Math.round(value * 100);
+
+			if (filter) {
+				filter.Enabled = (value !== 100);
+				filter.Opacity = value;
+			} else {
+				el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
+			}
+		}
+	},
+
+	testProp: function (props) {
+
+		var style = document.documentElement.style;
+
+		for (var i = 0; i < props.length; i++) {
+			if (props[i] in style) {
+				return props[i];
+			}
+		}
+		return false;
+	},
+
+	getTranslateString: function (point) {
+		// on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
+		// makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
+		// (same speed either way), Opera 12 doesn't support translate3d
+
+		var is3d = L.Browser.webkit3d,
+		    open = 'translate' + (is3d ? '3d' : '') + '(',
+		    close = (is3d ? ',0' : '') + ')';
+
+		return open + point.x + 'px,' + point.y + 'px' + close;
+	},
+
+	getScaleString: function (scale, origin) {
+
+		var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
+		    scaleStr = ' scale(' + scale + ') ';
+
+		return preTranslateStr + scaleStr;
+	},
+
+	setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
+
+		// jshint camelcase: false
+		el._leaflet_pos = point;
+
+		if (!disable3D && L.Browser.any3d) {
+			el.style[L.DomUtil.TRANSFORM] =  L.DomUtil.getTranslateString(point);
+		} else {
+			el.style.left = point.x + 'px';
+			el.style.top = point.y + 'px';
+		}
+	},
+
+	getPosition: function (el) {
+		// this method is only used for elements previously positioned using setPosition,
+		// so it's safe to cache the position for performance
+
+		// jshint camelcase: false
+		return el._leaflet_pos;
+	}
+};
+
+
+// prefix style property names
+
+L.DomUtil.TRANSFORM = L.DomUtil.testProp(
+        ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
+
+// webkitTransition comes first because some browser versions that drop vendor prefix don't do
+// the same for the transitionend event, in particular the Android 4.1 stock browser
+
+L.DomUtil.TRANSITION = L.DomUtil.testProp(
+        ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
+
+L.DomUtil.TRANSITION_END =
+        L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
+        L.DomUtil.TRANSITION + 'End' : 'transitionend';
+
+(function () {
+    if ('onselectstart' in document) {
+        L.extend(L.DomUtil, {
+            disableTextSelection: function () {
+                L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
+            },
+
+            enableTextSelection: function () {
+                L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
+            }
+        });
+    } else {
+        var userSelectProperty = L.DomUtil.testProp(
+            ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
+
+        L.extend(L.DomUtil, {
+            disableTextSelection: function () {
+                if (userSelectProperty) {
+                    var style = document.documentElement.style;
+                    this._userSelect = style[userSelectProperty];
+                    style[userSelectProperty] = 'none';
+                }
+            },
+
+            enableTextSelection: function () {
+                if (userSelectProperty) {
+                    document.documentElement.style[userSelectProperty] = this._userSelect;
+                    delete this._userSelect;
+                }
+            }
+        });
+    }
+
+	L.extend(L.DomUtil, {
+		disableImageDrag: function () {
+			L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
+		},
+
+		enableImageDrag: function () {
+			L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
+		}
+	});
+})();
+
+
+/*
+ * L.LatLng represents a geographical point with latitude and longitude coordinates.
+ */
+
+L.LatLng = function (lat, lng, alt) { // (Number, Number, Number)
+	lat = parseFloat(lat);
+	lng = parseFloat(lng);
+
+	if (isNaN(lat) || isNaN(lng)) {
+		throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
+	}
+
+	this.lat = lat;
+	this.lng = lng;
+
+	if (alt !== undefined) {
+		this.alt = parseFloat(alt);
+	}
+};
+
+L.extend(L.LatLng, {
+	DEG_TO_RAD: Math.PI / 180,
+	RAD_TO_DEG: 180 / Math.PI,
+	MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check
+});
+
+L.LatLng.prototype = {
+	equals: function (obj) { // (LatLng) -> Boolean
+		if (!obj) { return false; }
+
+		obj = L.latLng(obj);
+
+		var margin = Math.max(
+		        Math.abs(this.lat - obj.lat),
+		        Math.abs(this.lng - obj.lng));
+
+		return margin <= L.LatLng.MAX_MARGIN;
+	},
+
+	toString: function (precision) { // (Number) -> String
+		return 'LatLng(' +
+		        L.Util.formatNum(this.lat, precision) + ', ' +
+		        L.Util.formatNum(this.lng, precision) + ')';
+	},
+
+	// Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
+	// TODO move to projection code, LatLng shouldn't know about Earth
+	distanceTo: function (other) { // (LatLng) -> Number
+		other = L.latLng(other);
+
+		var R = 6378137, // earth radius in meters
+		    d2r = L.LatLng.DEG_TO_RAD,
+		    dLat = (other.lat - this.lat) * d2r,
+		    dLon = (other.lng - this.lng) * d2r,
+		    lat1 = this.lat * d2r,
+		    lat2 = other.lat * d2r,
+		    sin1 = Math.sin(dLat / 2),
+		    sin2 = Math.sin(dLon / 2);
+
+		var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
+
+		return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+	},
+
+	wrap: function (a, b) { // (Number, Number) -> LatLng
+		var lng = this.lng;
+
+		a = a || -180;
+		b = b ||  180;
+
+		lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);
+
+		return new L.LatLng(this.lat, lng);
+	}
+};
+
+L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)
+	if (a instanceof L.LatLng) {
+		return a;
+	}
+	if (L.Util.isArray(a)) {
+		if (typeof a[0] === 'number' || typeof a[0] === 'string') {
+			return new L.LatLng(a[0], a[1], a[2]);
+		} else {
+			return null;
+		}
+	}
+	if (a === undefined || a === null) {
+		return a;
+	}
+	if (typeof a === 'object' && 'lat' in a) {
+		return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
+	}
+	if (b === undefined) {
+		return null;
+	}
+	return new L.LatLng(a, b);
+};
+
+
+
+/*
+ * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
+ */
+
+L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
+	if (!southWest) { return; }
+
+	var latlngs = northEast ? [southWest, northEast] : southWest;
+
+	for (var i = 0, len = latlngs.length; i < len; i++) {
+		this.extend(latlngs[i]);
+	}
+};
+
+L.LatLngBounds.prototype = {
+	// extend the bounds to contain the given point or bounds
+	extend: function (obj) { // (LatLng) or (LatLngBounds)
+		if (!obj) { return this; }
+
+		var latLng = L.latLng(obj);
+		if (latLng !== null) {
+			obj = latLng;
+		} else {
+			obj = L.latLngBounds(obj);
+		}
+
+		if (obj instanceof L.LatLng) {
+			if (!this._southWest && !this._northEast) {
+				this._southWest = new L.LatLng(obj.lat, obj.lng);
+				this._northEast = new L.LatLng(obj.lat, obj.lng);
+			} else {
+				this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
+				this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
+
+				this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
+				this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
+			}
+		} else if (obj instanceof L.LatLngBounds) {
+			this.extend(obj._southWest);
+			this.extend(obj._northEast);
+		}
+		return this;
+	},
+
+	// extend the bounds by a percentage
+	pad: function (bufferRatio) { // (Number) -> LatLngBounds
+		var sw = this._southWest,
+		    ne = this._northEast,
+		    heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
+		    widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
+
+		return new L.LatLngBounds(
+		        new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
+		        new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
+	},
+
+	getCenter: function () { // -> LatLng
+		return new L.LatLng(
+		        (this._southWest.lat + this._northEast.lat) / 2,
+		        (this._southWest.lng + this._northEast.lng) / 2);
+	},
+
+	getSouthWest: function () {
+		return this._southWest;
+	},
+
+	getNorthEast: function () {
+		return this._northEast;
+	},
+
+	getNorthWest: function () {
+		return new L.LatLng(this.getNorth(), this.getWest());
+	},
+
+	getSouthEast: function () {
+		return new L.LatLng(this.getSouth(), this.getEast());
+	},
+
+	getWest: function () {
+		return this._southWest.lng;
+	},
+
+	getSouth: function () {
+		return this._southWest.lat;
+	},
+
+	getEast: function () {
+		return this._northEast.lng;
+	},
+
+	getNorth: function () {
+		return this._northEast.lat;
+	},
+
+	contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
+		if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+			obj = L.latLng(obj);
+		} else {
+			obj = L.latLngBounds(obj);
+		}
+
+		var sw = this._southWest,
+		    ne = this._northEast,
+		    sw2, ne2;
+
+		if (obj instanceof L.LatLngBounds) {
+			sw2 = obj.getSouthWest();
+			ne2 = obj.getNorthEast();
+		} else {
+			sw2 = ne2 = obj;
+		}
+
+		return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
+		       (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
+	},
+
+	intersects: function (bounds) { // (LatLngBounds)
+		bounds = L.latLngBounds(bounds);
+
+		var sw = this._southWest,
+		    ne = this._northEast,
+		    sw2 = bounds.getSouthWest(),
+		    ne2 = bounds.getNorthEast(),
+
+		    latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
+		    lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
+
+		return latIntersects && lngIntersects;
+	},
+
+	toBBoxString: function () {
+		return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
+	},
+
+	equals: function (bounds) { // (LatLngBounds)
+		if (!bounds) { return false; }
+
+		bounds = L.latLngBounds(bounds);
+
+		return this._southWest.equals(bounds.getSouthWest()) &&
+		       this._northEast.equals(bounds.getNorthEast());
+	},
+
+	isValid: function () {
+		return !!(this._southWest && this._northEast);
+	}
+};
+
+//TODO International date line?
+
+L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)
+	if (!a || a instanceof L.LatLngBounds) {
+		return a;
+	}
+	return new L.LatLngBounds(a, b);
+};
+
+
+/*
+ * L.Projection contains various geographical projections used by CRS classes.
+ */
+
+L.Projection = {};
+
+
+/*
+ * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.