| /** |
| * @module infra-sk/modules/confirm-dialog-sk |
| * @description <h2><code>confirm-dialog-sk</code></h2> |
| * |
| * <p> |
| * This element pops up a dialog with OK and Cancel buttons. Its open method returns a Promise |
| * which will resolve when the user clicks OK or reject when the user clicks Cancel. |
| * </p> |
| * |
| * @example |
| * |
| * <confirm-dialog-sk id="confirm_dialog"></confirm-dialog-sk> |
| * |
| * <script> |
| * (function(){ |
| * $$('#confirm-dialog').open("Proceed with taking over the world?").then(() => { |
| * // Do some thing on confirm. |
| * }).catch(() => { |
| * // Do some thing on cancel. |
| * }); |
| * })(); |
| * </script> |
| * |
| */ |
| import { define } from 'elements-sk/define' |
| import dialogPolyfill from 'dialog-polyfill' |
| import { html, render } from 'lit-html' |
| |
| import 'elements-sk/styles/buttons' |
| |
| const template = (ele) => html`<dialog @cancel=${ele._dismiss}> |
| <h2>Confirm</h2> |
| <div class=message>${ele._message}</div> |
| <div class=buttons> |
| <button class=dismiss @click=${ele._dismiss}>Cancel</button> |
| <button class=confirm @click=${ele._confirm}>OK</button> |
| </div> |
| </dialog>`; |
| |
| define('confirm-dialog-sk', class extends HTMLElement { |
| constructor() { |
| super(); |
| this._resolve = null; |
| this._reject = null; |
| this._message = ''; |
| } |
| |
| connectedCallback() { |
| this._render(); |
| this._dialog = this.firstElementChild; |
| dialogPolyfill.registerDialog(this._dialog); |
| } |
| |
| /** |
| * Display the dialog. |
| * |
| * @param {string} message - Message to display. Text only, any markup will be escaped. |
| * @returns {Promise} Returns a Promise that resolves on OK, and rejects on Cancel. |
| * |
| */ |
| open(message) { |
| this._message = message; |
| this._render(); |
| this._dialog.showModal(); |
| return new Promise((resolve, reject) => { |
| this._resolve = resolve; |
| this._reject = reject; |
| }); |
| } |
| |
| _dismiss() { |
| this._dialog.close(); |
| this._reject(); |
| } |
| |
| _confirm() { |
| this._dialog.close(); |
| this._resolve(); |
| } |
| |
| _render() { |
| render(template(this), this, {eventContext: this}); |
| } |
| }); |