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leaflet-components/src/components/leaflet-circle-marker.ts

51 lines
1.8 KiB
TypeScript

import { CircleMarker } from 'leaflet';
import { buildOptions, numAttr } from '../core/utils.js';
import { withProps } from '../core/with-props.js';
import { registerChildren, unregisterChildren } from '../core/register.js';
import { isPathStyleAttr, updatePathStyle } from '../core/path-style.js';
import type { PropDef } from '../core/props.js';
const PROPS = {
lat: { kind: 'num', attr: 'lat', default: 0 },
lng: { kind: 'num', attr: 'lng', default: 0 },
radius: { kind: 'num', attr: 'radius', default: 10 },
color: { kind: 'str', attr: 'color', default: '#3388ff' },
weight: { kind: 'num', attr: 'weight', default: 3 },
opacity: { kind: 'num', attr: 'opacity', default: 1.0 },
fill: { kind: 'bool-on', attr: 'fill' },
fillColor: { kind: 'str', attr: 'fill-color', default: '#3388ff' },
fillOpacity: { kind: 'num', attr: 'fill-opacity', default: 0.2 },
} satisfies Record<string, PropDef>;
export class LeafletCircleMarker extends withProps(HTMLElement, PROPS) {
#obj?: CircleMarker;
connectedCallback() {
this.#obj = new CircleMarker(
[numAttr(this, PROPS, 'lat'), numAttr(this, PROPS, 'lng')],
buildOptions(this, PROPS, ['lat', 'lng']),
);
registerChildren(this, this.#obj);
}
disconnectedCallback() {
unregisterChildren(this);
this.#obj?.remove();
this.#obj = undefined;
}
attributeChangedCallback(name: string, _old: string | null, val: string | null) {
if (!this.#obj) return;
if (name === 'lat' || name === 'lng') {
this.#obj.setLatLng([numAttr(this, PROPS, 'lat'), numAttr(this, PROPS, 'lng')]);
} else if (name === 'radius') {
this.#obj.setRadius(numAttr(this, PROPS, 'radius'));
} else if (isPathStyleAttr(name)) {
updatePathStyle(this.#obj, name, val);
}
}
}
customElements.define('leaflet-circle-marker', LeafletCircleMarker);