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MapBoxSource.js
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MapBoxSource.js
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/**
* Copyright (c) 2008-2011 The Open Planning Project
*
* Published under the GPL license.
* See https://github.com/opengeo/gxp/raw/master/license.txt for the full text
* of the license.
*/
/**
* @requires plugins/LayerSource.js
* @requires OpenLayers/Layer/TMS.js
*/
/** api: (define)
* module = gxp.plugins
* class = MapBoxSource
*/
/** api: (extends)
* plugins/LayerSource.js
*/
Ext.namespace("gxp.plugins");
/** api: constructor
* .. class:: MapBoxSource(config)
*
* Plugin for using MapBox layers with :class:`gxp.Viewer` instances.
* Freely available for commercial and non-commercial use according to the
* MapBox terms of service: http://mapbox.com/tos
*
* Available layer names:
* * blue-marble-topo-bathy-jan
* * blue-marble-topo-bathy-jul
* * blue-marble-topo-jan
* * blue-marble-topo-jul
* * control-room
* * geography-class
* * natural-earth-hypso
* * natural-earth-hypso-bathy
* * natural-earth-1
* * natural-earth-2
* * world-dark
* * world-light
* * world-print
*
*/
/** api: example
* The configuration in the ``sources`` property of the :class:`gxp.Viewer` is
* straightforward:
*
* .. code-block:: javascript
*
* mapbox: {
* ptype: "gxp_mapboxsource"
* }
*
* A typical configuration for a layer from this source (in the ``layers``
* array of the viewer's ``map`` config option would look like this:
*
* .. code-block:: javascript
*
* {
* source: "mapbox",
* name: "blue-marble-topo-bathy-jan"
* }
*
*/
gxp.plugins.MapBoxSource = Ext.extend(gxp.plugins.LayerSource, {
/** api: ptype = gxp_mapboxsource */
ptype: "gxp_mapboxsource",
/** api: property[store]
* ``GeoExt.data.LayerStore``. Will contain records with name field values
* matching MapBox layer names.
*/
/** api: config[title]
* ``String``
* A descriptive title for this layer source (i18n).
*/
title: "MapBox Layers",
/** i18n **/
blueMarbleTopoBathyJanTitle: "Blue Marble Topography & Bathymetry (January)",
blueMarbleTopoBathyJulTitle: "Blue Marble Topography & Bathymetry (July)",
blueMarbleTopoJanTitle: "Blue Marble Topography (January)",
blueMarbleTopoJulTitle: "Blue Marble Topography (July)",
controlRoomTitle: "Control Room",
geographyClassTitle: "Geography Class",
naturalEarthHypsoTitle: "Natural Earth Hypsometric",
naturalEarthHypsoBathyTitle: "Natural Earth Hypsometric & Bathymetry",
naturalEarth1Title: "Natural Earth I",
naturalEarth2Title: "Natural Earth II",
worldDarkTitle: "World Dark",
worldLightTitle: "World Light",
worldGlassTitle: "World Glass",
worldPrintTitle: "World Print",
/** api: method[createStore]
*
* Creates a store of layer records. Fires "ready" when store is loaded.
*/
createStore: function() {
var options = {
projection: "EPSG:900913",
numZoomLevels: 19,
serverResolutions: [
156543.03390625, 78271.516953125, 39135.7584765625,
19567.87923828125, 9783.939619140625, 4891.9698095703125,
2445.9849047851562, 1222.9924523925781, 611.4962261962891,
305.74811309814453, 152.87405654907226, 76.43702827453613,
38.218514137268066, 19.109257068634033, 9.554628534317017,
4.777314267158508, 2.388657133579254, 1.194328566789627,
0.5971642833948135
],
buffer: 1
};
var configs = [
{name: "blue-marble-topo-bathy-jan", numZoomLevels: 9},
{name: "blue-marble-topo-bathy-jul", numZoomLevels: 9},
{name: "blue-marble-topo-jan", numZoomLevels: 9},
{name: "blue-marble-topo-jul", numZoomLevels: 9},
{name: "control-room", numZoomLevels: 9},
{name: "geography-class", numZoomLevels: 9},
{name: "natural-earth-hypso", numZoomLevels: 7},
{name: "natural-earth-hypso-bathy", numZoomLevels: 7},
{name: "natural-earth-1", numZoomLevels: 7},
{name: "natural-earth-2", numZoomLevels: 7},
{name: "world-dark", numZoomLevels: 12},
{name: "world-light", numZoomLevels: 12},
{name: "world-glass", numZoomLevels: 11},
{name: "world-print", numZoomLevels: 10}
];
var len = configs.length;
var layers = new Array(len);
var config;
for (var i=0; i<len; ++i) {
config = configs[i];
layers[i] = new OpenLayers.Layer.TMS(
this[OpenLayers.String.camelize(config.name) + "Title"],
[
"//a.tiles.mapbox.com/mapbox/",
"//b.tiles.mapbox.com/mapbox/",
"//c.tiles.mapbox.com/mapbox/",
"//d.tiles.mapbox.com/mapbox/"
],
OpenLayers.Util.applyDefaults({
attribution: /^world/.test(name) ?
"<a href='http://mapbox.com'>MapBox</a> | Some Data © OSM CC-BY-SA | <a href='http://mapbox.com/tos'>Terms of Service</a>" :
"<a href='http://mapbox.com'>MapBox</a> | <a href='http://mapbox.com/tos'>Terms of Service</a>",
type: "png",
tileOrigin: new OpenLayers.LonLat(-128 * 156543.03390625, -128 * 156543.03390625),
layername: config.name,
"abstract": '<div class="thumb-mapbox thumb-mapbox-'+config.name+'"></div>',
numZoomLevels: config.numZoomLevels
}, options)
);
}
this.store = new GeoExt.data.LayerStore({
layers: layers,
fields: [
{name: "source", type: "string"},
{name: "name", type: "string", mapping: "layername"},
{name: "abstract", type: "string"},
{name: "group", type: "string"},
{name: "fixed", type: "boolean"},
{name: "selected", type: "boolean"}
]
});
this.fireEvent("ready", this);
},
/** api: method[createLayerRecord]
* :arg config: ``Object`` The application config for this layer.
* :returns: ``GeoExt.data.LayerRecord``
*
* Create a layer record given the config.
*/
createLayerRecord: function(config) {
var record;
var index = this.store.findExact("name", config.name);
if (index > -1) {
record = this.store.getAt(index).copy(Ext.data.Record.id({}));
var layer = record.getLayer().clone();
// set layer title from config
if (config.title) {
/**
* Because the layer title data is duplicated, we have
* to set it in both places. After records have been
* added to the store, the store handles this
* synchronization.
*/
layer.setName(config.title);
record.set("title", config.title);
}
// set visibility from config
if ("visibility" in config) {
layer.visibility = config.visibility;
}
record.set("selected", config.selected || false);
record.set("source", config.source);
record.set("name", config.name);
if ("group" in config) {
record.set("group", config.group);
}
record.data.layer = layer;
record.commit();
}
return record;
}
});
Ext.preg(gxp.plugins.MapBoxSource.prototype.ptype, gxp.plugins.MapBoxSource);