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packages/components/src/components/tooltip/tooltip--simple.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /** | ||
| * 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 TooltipSimple extends mixin( | ||
| createComponent, | ||
| initComponentBySearch, | ||
| handles | ||
| ) { | ||
| /** | ||
| * Simple Tooltip. | ||
| * @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.ownerDocument, 'keydown', event => { | ||
| // ESC | ||
| if (event.which === 27) { | ||
| this.allowTooltipVisibility({ visible: false }); | ||
| } | ||
| }) | ||
| ); | ||
| this.manage( | ||
| on(this.element, 'mouseenter', () => | ||
| this.allowTooltipVisibility({ visible: true }) | ||
| ) | ||
| ); | ||
| this.manage( | ||
| on(this.element, 'focus', event => { | ||
| if (eventMatches(event, this.options.selectorTriggerButton)) { | ||
| this.allowTooltipVisibility({ visible: true }); | ||
| } | ||
| }) | ||
| ); | ||
| } | ||
|
|
||
| allowTooltipVisibility = ({ visible }) => { | ||
| const tooltipTriggerButton = this.element.matches( | ||
| this.options.selectorTriggerButton | ||
| ) | ||
| ? this.element | ||
| : this.element.querySelector(this.options.selectorTriggerButton); | ||
|
|
||
| if (!tooltipTriggerButton) { | ||
| return; | ||
| } | ||
|
|
||
| if (visible) { | ||
| tooltipTriggerButton.classList.remove(this.options.classTooltipHidden); | ||
| } else { | ||
| tooltipTriggerButton.classList.add(this.options.classTooltipHidden); | ||
| } | ||
| }; | ||
|
|
||
| /** | ||
| * The component options. | ||
| * | ||
| * If `options` is specified in the constructor, | ||
| * {@linkcode TooltipSimple.create .create()}, | ||
| * or {@linkcode TooltipSimple.init .init()}, | ||
| * properties in this object are overriden for the instance being | ||
| * created and how {@linkcode TooltipSimple.init .init()} works. | ||
| * @property {string} selectorInit The CSS selector to find simple tooltip UIs. | ||
| */ | ||
| static get options() { | ||
| const { prefix } = settings; | ||
| return { | ||
| selectorInit: '[data-tooltip-definition],[data-tooltip-icon]', | ||
| selectorTriggerButton: `.${prefix}--tooltip__trigger.${prefix}--tooltip--a11y`, | ||
| classTooltipHidden: `${prefix}--tooltip--hidden`, | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * The map associating DOM element and simple tooltip UI instance. | ||
| * @type {WeakMap} | ||
| */ | ||
| static components /* #__PURE_CLASS_PROPERTY__ */ = new WeakMap(); | ||
| } |
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