| 1 | L.Control.Attribution = L.Class.extend({\r |
| 2 | onAdd: function(map) {\r |
| 3 | this._container = L.DomUtil.create('div', 'leaflet-control-attribution');\r |
| 4 | this._map = map;\r |
| 5 | this._prefix = 'Powered by <a href="http://leaflet.cloudmade.com">Leaflet</a>';\r |
| 6 | this._attributions = {};\r |
| 7 | this._update();\r |
| 8 | },\r |
| 9 | \r |
| 10 | getPosition: function() {\r |
| 11 | return L.Control.Position.BOTTOM_RIGHT;\r |
| 12 | },\r |
| 13 | \r |
| 14 | getContainer: function() {\r |
| 15 | return this._container;\r |
| 16 | },\r |
| 17 | \r |
| 18 | setPrefix: function(prefix) {\r |
| 19 | this._prefix = prefix;\r |
| 20 | },\r |
| 21 | \r |
| 22 | addAttribution: function(text) {\r |
| 23 | if (!text) return;\r |
| 24 | this._attributions[text] = true;\r |
| 25 | this._update();\r |
| 26 | },\r |
| 27 | \r |
| 28 | removeAttribution: function(text) {\r |
| 29 | if (!text) return;\r |
| 30 | delete this._attributions[text];\r |
| 31 | this._update();\r |
| 32 | },\r |
| 33 | \r |
| 34 | _update: function() {\r |
| 35 | if (!this._map) return;\r |
| 36 | \r |
| 37 | var attribs = [];\r |
| 38 | \r |
| 39 | for (var i in this._attributions) {\r |
| 40 | if (this._attributions.hasOwnProperty(i)) {\r |
| 41 | attribs.push(i);\r |
| 42 | }\r |
| 43 | }\r |
| 44 | \r |
| 45 | var prefixAndAttribs = [];\r |
| 46 | if (this._prefix) {\r |
| 47 | prefixAndAttribs.push(this._prefix);\r |
| 48 | }\r |
| 49 | if (attribs.length) {\r |
| 50 | prefixAndAttribs.push(attribs.join(', '));\r |
| 51 | }\r |
| 52 | \r |
| 53 | this._container.innerHTML = prefixAndAttribs.join(' — ');\r |
| 54 | }\r |
| 55 | }); |