mirror of
https://github.com/NASAWorldWind/WebWorldWind.git
synced 2026-01-18 15:12:57 +00:00
110 lines
4.2 KiB
JavaScript
110 lines
4.2 KiB
JavaScript
/*
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* Copyright 2003-2006, 2009, 2017, United States Government, as represented by the Administrator of the
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* National Aeronautics and Space Administration. All rights reserved.
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*
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* The NASAWorldWind/WebWorldWind platform is licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* 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
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @exports ProjectionMenu
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*/
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define(function () {
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"use strict";
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/**
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* Constructs a projection menu for a specified {@link WorldWindow}.
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* @alias ProjectionMenu
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* @constructor
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* @classdesc Provides a projection menu to select the projection for a WorldWindow.
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* @param {WorldWindow} worldWindow The WorldWindow to associate this projection menu with.
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*/
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var ProjectionMenu = function (worldWindow) {
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var thisExplorer = this;
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this.wwd = worldWindow;
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this.roundGlobe = this.wwd.globe;
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this.createProjectionList();
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$("#projectionDropdown").find(" li").on("click", function (e) {
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thisExplorer.onProjectionClick(e);
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});
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};
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ProjectionMenu.prototype.onProjectionClick = function (event) {
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var projectionName = event.target.innerText || event.target.innerHTML;
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$("#projectionDropdownTitle").html(projectionName + "<span class='caret'></span>");
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if (projectionName === "3D") {
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if (!this.roundGlobe) {
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this.roundGlobe = new WorldWind.Globe(new WorldWind.EarthElevationModel());
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}
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if (this.wwd.globe !== this.roundGlobe) {
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this.wwd.globe = this.roundGlobe;
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}
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} else {
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if (!this.flatGlobe) {
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this.flatGlobe = new WorldWind.Globe2D();
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}
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if (projectionName === "Equirectangular") {
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this.flatGlobe.projection = new WorldWind.ProjectionEquirectangular();
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} else if (projectionName === "Mercator") {
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this.flatGlobe.projection = new WorldWind.ProjectionMercator();
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} else if (projectionName === "North Polar") {
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this.flatGlobe.projection = new WorldWind.ProjectionPolarEquidistant("North");
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} else if (projectionName === "South Polar") {
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this.flatGlobe.projection = new WorldWind.ProjectionPolarEquidistant("South");
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} else if (projectionName === "North UPS") {
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this.flatGlobe.projection = new WorldWind.ProjectionUPS("North");
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} else if (projectionName === "South UPS") {
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this.flatGlobe.projection = new WorldWind.ProjectionUPS("South");
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} else if (projectionName === "North Gnomonic") {
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this.flatGlobe.projection = new WorldWind.ProjectionGnomonic("North");
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} else if (projectionName === "South Gnomonic") {
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this.flatGlobe.projection = new WorldWind.ProjectionGnomonic("South");
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}
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if (this.wwd.globe !== this.flatGlobe) {
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this.wwd.globe = this.flatGlobe;
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}
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}
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this.wwd.redraw();
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};
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ProjectionMenu.prototype.createProjectionList = function () {
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var projectionNames = [
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"3D",
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"Equirectangular",
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"Mercator",
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"North Polar",
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"South Polar",
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"North UPS",
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"South UPS",
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"North Gnomonic",
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"South Gnomonic"
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];
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var projectionDropdown = $("#projectionDropdown");
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var ulItem = $('<ul class="dropdown-menu"></ul>');
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projectionDropdown.append(ulItem);
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for (var i = 0; i < projectionNames.length; i++) {
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var projectionItem = $('<li><a>' + projectionNames[i] + '</a></li>');
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ulItem.append(projectionItem);
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}
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};
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return ProjectionMenu;
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}); |