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leaflet-components/src/components/leaflet-tile-layer-wms.ts

57 lines
1.6 KiB
TypeScript

import { TileLayer } from 'leaflet';
import { buildOptions, buildAttrMap, setLayerAttr, parseAttributeValue } from '../core/utils.ts';
import { WithProps } from '../core/with-props.ts';
import { registerChildren, unregisterChildren } from '../core/register.ts';
import { defineProps, num, str, on } from '../core/props.ts';
const PROPS = defineProps({
url: str(),
layers: str(),
styles: str(),
format: str('image/jpeg'),
transparent: on(),
version: str('1.1.1'),
uppercase: on(),
});
const PROP_BY_ATTR = buildAttrMap(PROPS);
export default class LeafletTileLayerWMS extends WithProps(HTMLElement, PROPS) {
#obj?: TileLayer.WMS;
connectedCallback() {
const url = this.getAttribute('url') || '';
this.#obj = new TileLayer.WMS(
url,
buildOptions(this, PROPS, ['url']),
);
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 === 'url') {
if (val) this.#obj.setUrl(val);
} else {
const propName = PROP_BY_ATTR.get(name);
if (!propName) return;
const spec = PROPS[propName as keyof typeof PROPS];
if (!setLayerAttr(this.#obj!, PROPS, PROP_BY_ATTR, name, val)) {
const value = spec.kind === 'bool-on' ? val !== null : parseAttributeValue(val);
(this.#obj.setParams as unknown as (params: Record<string, unknown>) => void)({
[propName]: value,
});
}
}
}
}
customElements.define('leaflet-tile-layer-wms', LeafletTileLayerWMS);