113 lines
3.4 KiB
JavaScript
113 lines
3.4 KiB
JavaScript
import defined from "../Core/defined.js";
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/**
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* Describes a rasterized feature, such as a point, polygon, polyline, etc., in an imagery layer.
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*
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* @alias ImageryLayerFeatureInfo
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* @constructor
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*/
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function ImageryLayerFeatureInfo() {
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/**
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* Gets or sets the name of the feature.
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* @type {string|undefined}
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*/
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this.name = undefined;
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/**
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* Gets or sets an HTML description of the feature. The HTML is not trusted and should
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* be sanitized before display to the user.
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* @type {string|undefined}
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*/
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this.description = undefined;
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/**
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* Gets or sets the position of the feature, or undefined if the position is not known.
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*
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* @type {Cartographic|undefined}
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*/
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this.position = undefined;
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/**
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* Gets or sets the raw data describing the feature. The raw data may be in any
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* number of formats, such as GeoJSON, KML, etc.
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* @type {object|undefined}
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*/
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this.data = undefined;
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/**
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* Gets or sets the image layer of the feature.
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* @type {object|undefined}
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*/
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this.imageryLayer = undefined;
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}
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/**
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* Configures the name of this feature by selecting an appropriate property. The name will be obtained from
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* one of the following sources, in this order: 1) the property with the name 'name', 2) the property with the name 'title',
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* 3) the first property containing the word 'name', 4) the first property containing the word 'title'. If
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* the name cannot be obtained from any of these sources, the existing name will be left unchanged.
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*
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* @param {object} properties An object literal containing the properties of the feature.
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*/
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ImageryLayerFeatureInfo.prototype.configureNameFromProperties = function (
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properties
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) {
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let namePropertyPrecedence = 10;
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let nameProperty;
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for (const key in properties) {
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if (properties.hasOwnProperty(key) && properties[key]) {
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const lowerKey = key.toLowerCase();
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if (namePropertyPrecedence > 1 && lowerKey === "name") {
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namePropertyPrecedence = 1;
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nameProperty = key;
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} else if (namePropertyPrecedence > 2 && lowerKey === "title") {
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namePropertyPrecedence = 2;
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nameProperty = key;
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} else if (namePropertyPrecedence > 3 && /name/i.test(key)) {
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namePropertyPrecedence = 3;
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nameProperty = key;
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} else if (namePropertyPrecedence > 4 && /title/i.test(key)) {
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namePropertyPrecedence = 4;
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nameProperty = key;
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}
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}
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}
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if (defined(nameProperty)) {
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this.name = properties[nameProperty];
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}
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};
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/**
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* Configures the description of this feature by creating an HTML table of properties and their values.
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*
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* @param {object} properties An object literal containing the properties of the feature.
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*/
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ImageryLayerFeatureInfo.prototype.configureDescriptionFromProperties = function (
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properties
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) {
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function describe(properties) {
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let html = '<table class="cesium-infoBox-defaultTable">';
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for (const key in properties) {
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if (properties.hasOwnProperty(key)) {
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const value = properties[key];
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if (defined(value)) {
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if (typeof value === "object") {
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html += `<tr><td>${key}</td><td>${describe(value)}</td></tr>`;
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} else {
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html += `<tr><td>${key}</td><td>${value}</td></tr>`;
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}
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}
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}
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}
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html += "</table>";
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return html;
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}
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this.description = describe(properties);
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};
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export default ImageryLayerFeatureInfo;
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