├── README.md
├── leaflet-hash
├── LICENSE.md
└── leaflet-hash.js
└── index.html
/README.md:
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1 | commons location is a map where you can easy select a geolocation. It shows the location template for wikimedia commons.
2 |
3 | [You can use it here](https://ubahn.uber.space/opendata/commons/commons_location/)
4 |
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/leaflet-hash/LICENSE.md:
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1 | Copyright (c) 2013 Michael Lawrence Evans
2 |
3 | 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:
4 |
5 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
6 |
7 | 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.
8 |
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/leaflet-hash/leaflet-hash.js:
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1 | (function(window) {
2 | var HAS_HASHCHANGE = (function() {
3 | var doc_mode = window.documentMode;
4 | return ('onhashchange' in window) &&
5 | (doc_mode === undefined || doc_mode > 7);
6 | })();
7 |
8 | L.Hash = function(map) {
9 | this.onHashChange = L.Util.bind(this.onHashChange, this);
10 |
11 | if (map) {
12 | this.init(map);
13 | }
14 | };
15 |
16 | L.Hash.parseHash = function(hash) {
17 | if(hash.indexOf('#') === 0) {
18 | hash = hash.substr(1);
19 | }
20 | var args = hash.split("/");
21 | if (args.length == 3) {
22 | var zoom = parseInt(args[0], 10),
23 | lat = parseFloat(args[1]),
24 | lon = parseFloat(args[2]);
25 | if (isNaN(zoom) || isNaN(lat) || isNaN(lon)) {
26 | return false;
27 | } else {
28 | return {
29 | center: new L.LatLng(lat, lon),
30 | zoom: zoom
31 | };
32 | }
33 | } else {
34 | return false;
35 | }
36 | };
37 |
38 | L.Hash.formatHash = function(map) {
39 | var center = map.getCenter(),
40 | zoom = map.getZoom(),
41 | precision = Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
42 |
43 | return "#" + [zoom,
44 | center.lat.toFixed(precision),
45 | center.lng.toFixed(precision)
46 | ].join("/");
47 | },
48 |
49 | L.Hash.prototype = {
50 | map: null,
51 | lastHash: null,
52 |
53 | parseHash: L.Hash.parseHash,
54 | formatHash: L.Hash.formatHash,
55 |
56 | init: function(map) {
57 | this.map = map;
58 |
59 | // reset the hash
60 | this.lastHash = null;
61 | this.onHashChange();
62 |
63 | if (!this.isListening) {
64 | this.startListening();
65 | }
66 | },
67 |
68 | removeFrom: function(map) {
69 | if (this.changeTimeout) {
70 | clearTimeout(this.changeTimeout);
71 | }
72 |
73 | if (this.isListening) {
74 | this.stopListening();
75 | }
76 |
77 | this.map = null;
78 | },
79 |
80 | onMapMove: function() {
81 | // bail if we're moving the map (updating from a hash),
82 | // or if the map is not yet loaded
83 |
84 | if (this.movingMap || !this.map._loaded) {
85 | return false;
86 | }
87 |
88 | var hash = this.formatHash(this.map);
89 | if (this.lastHash != hash) {
90 | location.replace(hash);
91 | this.lastHash = hash;
92 | }
93 | },
94 |
95 | movingMap: false,
96 | update: function() {
97 | var hash = location.hash;
98 | if (hash === this.lastHash) {
99 | return;
100 | }
101 | var parsed = this.parseHash(hash);
102 | if (parsed) {
103 | this.movingMap = true;
104 |
105 | this.map.setView(parsed.center, parsed.zoom);
106 |
107 | this.movingMap = false;
108 | } else {
109 | this.onMapMove(this.map);
110 | }
111 | },
112 |
113 | // defer hash change updates every 100ms
114 | changeDefer: 100,
115 | changeTimeout: null,
116 | onHashChange: function() {
117 | // throttle calls to update() so that they only happen every
118 | // `changeDefer` ms
119 | if (!this.changeTimeout) {
120 | var that = this;
121 | this.changeTimeout = setTimeout(function() {
122 | that.update();
123 | that.changeTimeout = null;
124 | }, this.changeDefer);
125 | }
126 | },
127 |
128 | isListening: false,
129 | hashChangeInterval: null,
130 | startListening: function() {
131 | this.map.on("moveend", this.onMapMove, this);
132 |
133 | if (HAS_HASHCHANGE) {
134 | L.DomEvent.addListener(window, "hashchange", this.onHashChange);
135 | } else {
136 | clearInterval(this.hashChangeInterval);
137 | this.hashChangeInterval = setInterval(this.onHashChange, 50);
138 | }
139 | this.isListening = true;
140 | },
141 |
142 | stopListening: function() {
143 | this.map.off("moveend", this.onMapMove, this);
144 |
145 | if (HAS_HASHCHANGE) {
146 | L.DomEvent.removeListener(window, "hashchange", this.onHashChange);
147 | } else {
148 | clearInterval(this.hashChangeInterval);
149 | }
150 | this.isListening = false;
151 | }
152 | };
153 | L.hash = function(map) {
154 | return new L.Hash(map);
155 | };
156 | L.Map.prototype.addHash = function() {
157 | this._hash = L.hash(this);
158 | };
159 | L.Map.prototype.removeHash = function() {
160 | this._hash.removeFrom();
161 | };
162 | })(window);
163 |
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/index.html:
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