92 lines
2.7 KiB
JavaScript
92 lines
2.7 KiB
JavaScript
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cdb.admin.WMSService = Backbone.Model.extend({
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_PROXY_URL: '//cartodb-wms.global.ssl.fastly.net/api',
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_PROXY_TILES: '//cartodb-wms.global.ssl.fastly.net/mapproxy',
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methodToURL: {
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'read': '/check',
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'create': '/add'
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},
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sync: function(method, model, options) {
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options = options || {};
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options.url = this.url(method.toLowerCase());
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options.dataType = 'jsonp';
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method = "READ";
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return Backbone.sync.apply(this, arguments);
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},
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url: function(method) {
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var req = this._PROXY_URL + this.methodToURL[method];
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var url = this.get('wms_url');
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var parser = document.createElement('a');
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parser.href = url;
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var params = parser.search.substr(1).split("&");
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var hasCapabilities = _.find(params, function(p) { return p.toLowerCase().indexOf("request=getcapabilities") !== -1; });
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var hasService = _.find(params, function(p) { return p.toLowerCase().indexOf("service=wms") !== -1; });
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// If the user didn't provided the necessary params, let's add them
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if (!hasCapabilities) {
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params.push("request=GetCapabilities");
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}
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if (!hasService) {
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params.push("service=WMS");
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}
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url += "?" + params.join("&");
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req += '?url=' + encodeURIComponent(url);
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var isWMTS = this.get('type') === 'wmts';
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req += '&type=' + (isWMTS ? 'wmts' : 'wms');
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if (method === 'create') {
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if (this.get('layer') && this.get('srs')) {
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req += "&layer=" + this.get('layer');
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req += "&srs=EPSG:" + this.get('srs')[0].split(':')[1];
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} else if (isWMTS && this.get('layer') && this.get('matrix_sets').length > 0) {
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req += '&layer=' + this.get('layer');
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req += '&matrix_set=' + cdb.admin.WMSService.supportedMatrixSets(this.get('matrix_sets' || []))[0];
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}
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}
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return req;
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},
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newTileLayer: function() {
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if (!this.get('mapproxy_id')) {
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throw new Error('mapproxy_id must be set');
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}
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return new cdb.admin.TileLayer({
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urlTemplate: this._PROXY_TILES + '/' + this.get('mapproxy_id') + '/wmts/map/webmercator/{z}/{x}/{y}.png',
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attribution: this.get('attribution') || null,
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maxZoom: 21,
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minZoom: 0,
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name: this.get('title') || this.get('name'),
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proxy: true,
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bounding_boxes: this.get('bounding_boxes')
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});
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}
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}, {
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SUPPORTED_MATRIX_SETS: [
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'EPSG:4326',
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'EPSG:4258'
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],
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/**
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* Unfortunately the WMS proxy do not support all matrix sets for a WMTS kind of resource, so filter out the ones
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* that are actually supported for now.
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* @return {Array}
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*/
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supportedMatrixSets: function(matrixSets) {
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// matrixSets = matrixSets || [];
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return _.intersection(matrixSets, this.SUPPORTED_MATRIX_SETS);
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}
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});
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