67 lines
1.7 KiB
TypeScript
67 lines
1.7 KiB
TypeScript
// import * as util from '../core/utilities';
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import { EventEmitter } from './EventEmitter.js';
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import type { Map } from 'leaflet/src/map/index';
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export abstract class Control<T> extends EventEmitter<T> {
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// @section
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// @aka Control options
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public options = {
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position: 'topright',
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};
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protected _map;
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protected _container;
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// constructor(defaults?) {
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// super();
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// if (!(this instanceof Control)) {
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// throw new TypeError("Control constructor cannot be called as a function.");
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// }
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// // properties
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// // util.setOptions(this, defaults);
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// }
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public getPosition() {
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return this.options.position;
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}
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public getContainer() {
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return this._container;
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}
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public abstract onRemove(map): void;
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public abstract onAdd(map: any): HTMLElement;
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public addTo(map: Map): Control<T> {
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this._map = map;
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let container = (this._container = this.onAdd(map));
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let pos = this.getPosition(); //"topright"
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let corner = map.controlCorners[pos];
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if (container) {
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// $(container).addClass('gba-control');
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container.classList.add('gba-control');
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if (pos.indexOf('bottom') !== -1) {
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corner.insertBefore(container, corner.firstChild);
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} else {
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corner.appendChild(container);
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}
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}
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return this;
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}
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public removeFrom(map) {
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let pos = this.getPosition();
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let corner = map._controlCorners[pos];
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corner.removeChild(this._container);
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this._map = null;
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if (this.onRemove) {
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this.onRemove(map);
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}
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return this;
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}
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}
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