chrome-devtools-frontend/front_end/ui/components/docs/combo_box/basic.ts

Chrome DevTools UI

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import * as UI from '../../../legacy/legacy.js';
import * as ComponentHelpers from '../../helpers/helpers.js';

await ComponentHelpers.ComponentServerSetup.setup();
function comboBoxExample({tabIndex, disabled}: {
  tabIndex: number,
  disabled: boolean,
}): HTMLElement {
  const example = document.createElement('div');
  example.style.marginTop = '20px';
  const disabledExplanation = document.createElement('div');
  const tabbableExplanation = document.createElement('div');
  const component = UI.UIUtils.createSelect('Select an option', ['Hamster', 'Mouse', 'Cat']);
  component.disabled = disabled;
  component.tabIndex = tabIndex;
  disabledExplanation.textContent = `is disabled? ${component.disabled}`;
  tabbableExplanation.textContent = `is tabbable? ${component.tabIndex >= 0}`;

  example.appendChild(component);
  example.appendChild(disabledExplanation);
  example.appendChild(tabbableExplanation);
  return example;
}

function init(): void {
  const container = document.getElementById('container');
  if (!container) {
    return;
  }

  container.style.padding = '42px 42px';
  container.style.margin = '42px 42px';
  container.style.border = '1px solid rgb(0 0 0 / 20%)';

  // Basic
  container.appendChild(comboBoxExample({tabIndex: 0, disabled: false}));

  // Not tab reachable
  container.appendChild(comboBoxExample({tabIndex: -1, disabled: false}));

  // Disabled
  container.appendChild(comboBoxExample({tabIndex: 0, disabled: true}));
}

init();