mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
synced 2025-12-08 19:46:18 +00:00
98 lines
3.5 KiB
JavaScript
98 lines
3.5 KiB
JavaScript
/*
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* Copyright 2003-2006, 2009, 2017, 2020 United States Government, as represented
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* by the Administrator of the National Aeronautics and Space Administration.
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* All rights reserved.
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*
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* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License,
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* Version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License
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* at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*
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* NASAWorldWind/WebWorldWind also contains the following 3rd party Open Source
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* software:
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*
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* ES6-Promise – under MIT License
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* libtess.js – SGI Free Software License B
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* Proj4 – under MIT License
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* JSZip – under MIT License
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*
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* A complete listing of 3rd Party software notices and licenses included in
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* WebWorldWind can be found in the WebWorldWind 3rd-party notices and licenses
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* PDF found in code directory.
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*/
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define(function () {
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"use strict";
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var DatasetDropdown = function (controller) {
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var self = this;
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this.controller = controller;
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this.attachServer();
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};
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DatasetDropdown.prototype.attachServer = function () {
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var serverAddress = "https://neo.sci.gsfc.nasa.gov/wms/wms";
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var self = this,
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request = new XMLHttpRequest(),
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url = serverAddress + "?service=WMS&request=GetCapabilities&version=1.3.0";
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request.open("GET", url, true);
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request.onreadystatechange = function () {
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if (request.readyState === 4 && request.status === 200) {
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var xmlDom = request.responseXML;
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if (!xmlDom && request.responseText.indexOf("<?xml") === 0) {
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xmlDom = new window.DOMParser().parseFromString(request.responseText, "text/xml");
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}
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if (!xmlDom) {
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alert(serverAddress + " retrieval failed.");
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return;
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}
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self.wmsCapsDoc = new WorldWind.WmsCapabilities(xmlDom);
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if (self.wmsCapsDoc.version) { // if no version, then the URL doesn't point to a caps doc.
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self.fillDropdownList(self.wmsCapsDoc);
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} else {
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alert("WMS capabilities document invalid.");
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}
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} else if (request.readyState === 4) {
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if (request.statusText) {
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alert(request.responseURL + " " + request.status + " (" + request.statusText + ")");
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} else {
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alert("Failed to retrieve WMS capabilities from " + serverAddress + ".");
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}
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}
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};
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request.send(null);
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};
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DatasetDropdown.prototype.fillDropdownList = function (wmsCapsDoc) {
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var layers = wmsCapsDoc.capability.layers[0].layers;
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var datasetList = $('#datasetDropdownList');
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for (var i = 0; i < layers.length; i++) {
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var layer = layers[i];
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var menuItem = $('<li><a>' + layer.title + '</a></li>');
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datasetList.append(menuItem);
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}
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var controller = this.controller;
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datasetList.find(" li").on("click", function (e) {
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controller.onDatasetClick(e);
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});
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};
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return DatasetDropdown;
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}); |