"use strict";
define([
"backbone",
"text!templates/maps/layers-panel.html",
"views/maps/LayerCategoryListView",
"views/maps/LayerListView",
"views/maps/SearchInputView",
], (
Backbone,
Template,
LayerCategoryListView,
LayerListView,
SearchInputView,
) => {
/**
* @class LayersPanelView
* @classdesc LayersPanelView shows information about a map's layers and supports
* searching. This view is used as a toolbar section.
* @classcategory Views/Maps
* @name LayersPanelView
* @extends Backbone.View
* @screenshot views/maps/LayersPanelView.png
* @since 2.28.0
* @constructs LayersPanelView
*/
const LayersPanelView = Backbone.View.extend(
/** @lends LayersPanelView.prototype */{
/**
* The type of View this is
* @type {string}
*/
type: "LayersPanelView",
/**
* The HTML classes to use for this view's element
* @type {string}
*/
className: "layers-panel",
/**
* The HTML classes to use for this view's HTML elements.
* @type {Object<string,string>}
*/
classNames: {
search: "layers-panel__search",
layers: "layers-panel__layers",
},
/**
* @typedef {Object} LayersPanelViewOptions
* @property {Map} The Map model that contains layers information.
*/
initialize(options) {
this.map = options.model;
},
/**
* Render the view by updating the HTML of the element.
* The new HTML is computed from an HTML template that
* is passed an object with relevant view state.
* */
render() {
this.el.innerHTML = _.template(Template)({ classNames: this.classNames });
if (this.map.get('layerCategories')?.length > 0) {
this.layersView = new LayerCategoryListView({ collection: this.map.get("layerCategories") });
} else {
this.layersView = new LayerListView({
collection: this.map.get("layers"),
isCategorized: false,
});
}
this.layersView.render();
this.$(`.${this.classNames.layers}`).append(this.layersView.el);
this.searchInput = new SearchInputView({
placeholder: "Search all data layers",
search: text => this.search(text),
noMatchCallback: () => this.layersView.search(""),
});
this.searchInput.render();
this.$(`.${this.classNames.search}`).append(this.searchInput.el);
},
/**
* Search function for the SearchInputView.
* @param {string} [text] - The search text from user input.
* @returns {boolean} - True if there is a layer match.
*/
search(text) {
this.dismissLayerDetails();
const matched = this.layersView.search(text);
if (!matched) {
this.searchInput.setError("No layers match your search");
}
return matched;
},
dismissLayerDetails() {
this.map.getLayerGroups().forEach(mapAssets => {
mapAssets.forEach(layerModel => {
layerModel.set("selected", false);
});
});
},
});
return LayersPanelView;
});