forked from geolba/tethys.backend
71 lines
1.7 KiB
TypeScript
71 lines
1.7 KiB
TypeScript
// import * as util from '../core/utilities';
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import { EventEmitter } from './EventEmitter';
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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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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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getPosition() {
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return this.options.position;
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}
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getContainer() {
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return this._container;
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}
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abstract onRemove(map): void;
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abstract onAdd(map: any) : HTMLElement;
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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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}
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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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removeFrom(map) {
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let pos = this.getPosition(),
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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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