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57 lines
1.9 KiB
TypeScript
57 lines
1.9 KiB
TypeScript
import { Control, ControlPosition } from 'leaflet';
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import { registerWithParent } from '../core/utils.js';
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import type { PropDef, PropTypesFromTable } from '../types/props.js';
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const PROPS = {
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position: { kind: 'str', attr: 'position', default: 'topleft' },
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zoomInText: { kind: 'str', attr: 'zoom-in-text', default: '+' },
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zoomInTitle: { kind: 'str', attr: 'zoom-in-title', default: 'Zoom in' },
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zoomOutText: { kind: 'str', attr: 'zoom-out-text', default: '-' },
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zoomOutTitle: { kind: 'str', attr: 'zoom-out-title', default: 'Zoom out' },
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} satisfies Record<string, PropDef>;
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type PropTypes = PropTypesFromTable<typeof PROPS>;
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const TypedBase = HTMLElement as unknown as new () => HTMLElement & PropTypes;
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export class LeafletControlZoom extends TypedBase {
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#obj?: Control.Zoom;
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static get observedAttributes() {
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return Object.values(PROPS).map((s) => s.attr);
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}
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static {
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for (const [name, spec] of Object.entries(PROPS)) {
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Object.defineProperty(LeafletControlZoom.prototype, name, {
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get(this: LeafletControlZoom) {
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const val = this.getAttribute(spec.attr);
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return val ?? (spec as { default: string }).default;
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},
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set(this: LeafletControlZoom, v: number | string) {
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this.setAttribute(spec.attr, String(v));
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},
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configurable: true,
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enumerable: true,
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});
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}
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}
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connectedCallback() {
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this.#obj = new Control.Zoom({
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position: this.getAttribute('position') as ControlPosition | undefined,
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zoomInText: this.getAttribute('zoom-in-text') ?? '+',
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zoomInTitle: this.getAttribute('zoom-in-title') ?? 'Zoom in',
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zoomOutText: this.getAttribute('zoom-out-text') ?? '-',
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zoomOutTitle: this.getAttribute('zoom-out-title') ?? 'Zoom out',
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});
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registerWithParent(this, this.#obj);
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}
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disconnectedCallback() {
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this.#obj?.remove();
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this.#obj = undefined;
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}
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}
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customElements.define('leaflet-control-zoom', LeafletControlZoom);
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