META-INF.dirigible.dev-tools.lighthouse.RadioSetting.js Maven / Gradle / Ivy
// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import * as Common from '../common/common.js'; // eslint-disable-line no-unused-vars
import * as UI from '../ui/ui.js';
export class RadioSetting {
/**
* @param {!Array} options
* @param {!Common.Settings.Setting} setting
* @param {string} description
*/
constructor(options, setting, description) {
this._setting = setting;
this._options = options;
this.element = createElement('div');
this.element.title = description;
UI.ARIAUtils.setDescription(this.element, description);
UI.ARIAUtils.markAsRadioGroup(this.element);
this._radioElements = [];
for (const option of this._options) {
const fragment = UI.Fragment.Fragment.build`
`;
this.element.appendChild(fragment.element());
if (option.title) {
UI.Tooltip.Tooltip.install(fragment.$('label'), option.title);
}
const radioElement = fragment.$('input');
radioElement.addEventListener('change', this._valueChanged.bind(this));
this._radioElements.push(radioElement);
}
this._ignoreChangeEvents = false;
this._selectedIndex = -1;
setting.addChangeListener(this._settingChanged, this);
this._settingChanged();
}
_updateUI() {
this._ignoreChangeEvents = true;
this._radioElements[this._selectedIndex].checked = true;
this._ignoreChangeEvents = false;
}
_settingChanged() {
const value = this._setting.get();
this._selectedIndex = this._options.findIndex(option => option.value === value);
this._updateUI();
}
/**
* @param {!Event} event
*/
_valueChanged(event) {
if (this._ignoreChangeEvents) {
return;
}
const selectedRadio = this._radioElements.find(radio => radio.checked);
this._setting.set(selectedRadio.value);
}
}