UNPKG

carbon-components

Version:

Carbon Components is a component library for IBM Cloud

110 lines (103 loc) 4.49 kB
/** * Copyright IBM Corp. 2016, 2018 * * This source code is licensed under the Apache-2.0 license found in the * LICENSE file in the root directory of this source tree. */ import settings from '../../globals/js/settings'; import mixin from '../../globals/js/misc/mixin'; import createComponent from '../../globals/js/mixins/create-component'; import initComponentBySearch from '../../globals/js/mixins/init-component-by-search'; import handles from '../../globals/js/mixins/handles'; import eventMatches from '../../globals/js/misc/event-matches'; import on from '../../globals/js/misc/on'; export default class TextInput extends mixin(createComponent, initComponentBySearch, handles) { /** * Text Input. * @extends CreateComponent * @extends InitComponentBySearch * @extends Handles * @param {HTMLElement} element - The element functioning as a text field. */ constructor(element, options) { super(element, options); this.manage( on(this.element, 'click', event => { const toggleVisibilityButton = eventMatches(event, this.options.selectorPasswordVisibilityButton); if (toggleVisibilityButton) { this._toggle({ element, button: toggleVisibilityButton }); } }) ); } /** * * @param {Object} obj - Object containing selectors and visibility status * @param {HTMLElement} obj.iconVisibilityOn - The element functioning as * the SVG icon for visibility on * @param {HTMLElement} obj.iconVisibilityOff - The element functioning as * the SVG icon for visibility off * @param {boolean} obj.passwordIsVisible - The visibility of the password in the * input field */ _setIconVisibility = ({ iconVisibilityOn, iconVisibilityOff, passwordIsVisible, selectorPasswordVisibilityButton }) => { if (passwordIsVisible) { iconVisibilityOn.setAttribute('hidden', true); iconVisibilityOff.removeAttribute('hidden'); selectorPasswordVisibilityButton.setAttribute('aria-label', 'Hide password'); return; } iconVisibilityOn.removeAttribute('hidden'); iconVisibilityOff.setAttribute('hidden', true); selectorPasswordVisibilityButton.setAttribute('aria-label', 'Show password'); }; /** * Toggles the visibility of the password in the input field and changes the * SVG icon indicating password visibility * @param {Object} obj - The elements that can change in the component * @param {HTMLElement} obj.element - The element functioning as a text field * @param {HTMLElement} obj.button - The button toggling password visibility */ _toggle = ({ element, button }) => { // toggle action must come before querying the classList element.classList.toggle(this.options.passwordIsVisible); const passwordIsVisible = element.classList.contains(this.options.passwordIsVisible); const iconVisibilityOn = button.querySelector(this.options.svgIconVisibilityOn); const iconVisibilityOff = button.querySelector(this.options.svgIconVisibilityOff); const input = element.querySelector(this.options.selectorPasswordField); const selectorPasswordVisibilityButton = element.querySelector(this.options.selectorPasswordVisibilityButton); this._setIconVisibility({ iconVisibilityOn, iconVisibilityOff, passwordIsVisible, selectorPasswordVisibilityButton, }); input.type = passwordIsVisible ? 'text' : 'password'; }; /** * The component options. * * If `options` is specified in the constructor, * {@linkcode TextInput.create .create()}, * or {@linkcode TextInput.init .init()}, * properties in this object are overriden for the instance being * created and how {@linkcode TextInput.init .init()} works. * @property {string} selectorInit The CSS selector to find text input UIs. */ static get options() { const { prefix } = settings; return { selectorInit: '[data-text-input]', selectorPasswordField: `.${prefix}--text-input[data-toggle-password-visibility]`, selectorPasswordVisibilityButton: `.${prefix}--text-input--password__visibility`, passwordIsVisible: `${prefix}--text-input--password-visible`, svgIconVisibilityOn: `svg.${prefix}--icon--visibility-on`, svgIconVisibilityOff: `svg.${prefix}--icon--visibility-off`, }; } /** * The map associating DOM element and text input UI instance. * @type {WeakMap} */ static components /* #__PURE_CLASS_PROPERTY__ */ = new WeakMap(); }