META-INF.dirigible.dev-tools.ui.SegmentedButton.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 {HBox} from './Widget.js';
export class SegmentedButton extends HBox {
constructor() {
super(true);
/** @type {!Map} */
this._buttons = new Map();
/** @type {?string} */
this._selected = null;
this.registerRequiredCSS('ui/segmentedButton.css');
this.contentElement.classList.add('segmented-button');
}
/**
* @param {string} label
* @param {string} value
* @param {string=} tooltip
*/
addSegment(label, value, tooltip) {
const button = this.contentElement.createChild('button', 'segmented-button-segment');
button.textContent = label;
button.title = tooltip;
this._buttons.set(value, button);
button.addEventListener('click', () => this.select(value));
}
/**
* @param {string} value
*/
select(value) {
if (this._selected === value) {
return;
}
this._selected = value;
for (const key of this._buttons.keys()) {
this._buttons.get(key).classList.toggle('segmented-button-segment-selected', key === this._selected);
}
}
/**
* @return {?string}
*/
selected() {
return this._selected;
}
}