lion/docs/fundamentals/systems/overlays/assets/demo-el-using-overlaymixin.mjs
2023-01-02 15:04:06 +01:00

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/* eslint-disable max-classes-per-file */
/* eslint-disable import/no-extraneous-dependencies */
import { html, LitElement, css } from 'lit';
import { OverlayMixin } from '@lion/ui/overlays.js';
import { LionButton } from '@lion/ui/button.js';
/**
* @typedef {import('@lion/ui/types/overlays.js').OverlayConfig} OverlayConfig
*/
class DemoElUsingOverlayMixin extends OverlayMixin(LitElement) {
// eslint-disable-next-line class-methods-use-this
_defineOverlayConfig() {
return /** @type {OverlayConfig} */ ({
placementMode: 'global',
});
}
render() {
return html`
<slot name="invoker"></slot>
<slot name="backdrop"></slot>
<slot name="content"></slot>
`;
}
}
customElements.define('demo-el-using-overlaymixin', DemoElUsingOverlayMixin);
class DemoOverlay extends OverlayMixin(LitElement) {
static get styles() {
return [
css`
::slotted([slot='content']) {
background-color: #333;
color: white;
padding: 8px;
}
.close-button {
background: none;
border: none;
color: white;
font-weight: bold;
font-size: 16px;
padding: 4px;
}
`,
];
}
// 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>
`;
}
}
customElements.define('demo-overlay', DemoOverlay);
class DemoCloseButton extends LionButton {
static get styles() {
return [
css`
::host {
background: none;
}
`,
];
}
connectedCallback() {
super.connectedCallback();
this.innerText = '';
this.setAttribute('aria-label', 'Close');
}
}
customElements.define('demo-close-button', DemoCloseButton);