lion/packages/overlays/docs/demo-overlay-system.js
Joren Broekema 1f62ed8b74 feat: upgrade to popper 2
Co-authored-by: Thijs Louisse <Thijs.Louisse@ing.com>
2021-01-05 14:18:21 +01:00

42 lines
1.1 KiB
JavaScript

import { html, LitElement } from '@lion/core';
import { OverlayMixin } from '../src/OverlayMixin.js';
/**
* @typedef {import('../types/OverlayConfig').OverlayConfig} OverlayConfig
*/
class DemoOverlaySystem extends OverlayMixin(LitElement) {
// eslint-disable-next-line class-methods-use-this
_defineOverlayConfig() {
return /** @type {OverlayConfig} */ ({
placementMode: 'global',
});
}
_setupOpenCloseListeners() {
super._setupOpenCloseListeners();
if (this._overlayInvokerNode) {
this._overlayInvokerNode.addEventListener('click', this.toggle);
}
}
_teardownOpenCloseListeners() {
super._teardownOpenCloseListeners();
if (this._overlayInvokerNode) {
this._overlayInvokerNode.removeEventListener('click', this.toggle);
}
}
render() {
return html`
<slot name="invoker"></slot>
<slot name="backdrop"></slot>
<div id="overlay-content-node-wrapper">
<slot name="content"></slot>
</div>
<div>popup is ${this.opened ? 'opened' : 'closed'}</div>
`;
}
}
customElements.define('demo-overlay-system', DemoOverlaySystem);