/* * Copyright (C) 2022 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import {element} from "../BaseElement.js"; @element('lit-table-column') export class LitTableColumn extends HTMLElement { template: Element | undefined | null private st: HTMLSlotElement | undefined | null constructor() { super(); const shadowRoot = this.attachShadow({mode: 'open'}); shadowRoot.innerHTML = ` ` } static get observedAttributes() { return ['name', 'order'] } connectedCallback() { this.template = null; this.st = this.shadowRoot?.querySelector('#slot') this.st?.addEventListener('slotchange', () => { const elements = this.st!.assignedElements({flatten: false}); if (elements!.length > 0) { this.template = elements[0]; } }) } disconnectedCallback() { } adoptedCallback() { } attributeChangedCallback(name: string, oldValue: string, newValue: string) { } }