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feat: add d2l-navigation-button-icon component (#151)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| import '@brightspace-ui/core/components/colors/colors.js'; | ||
| import '@brightspace-ui/core/components/icons/icon.js'; | ||
| import '@brightspace-ui/core/components/tooltip/tooltip.js'; | ||
| import { css, html, LitElement, nothing } from 'lit'; | ||
| import { FocusMixin } from '@brightspace-ui/core/mixins/focus-mixin.js'; | ||
| import { getUniqueId } from '@brightspace-ui/core/helpers/uniqueId.js'; | ||
| import { ifDefined } from 'lit/directives/if-defined.js'; | ||
| import { highlightBorderStyles } from './d2l-navigation-styles.js'; | ||
|
|
||
| /** | ||
| * Navigation button with an icon and text. | ||
| */ | ||
| class NavigationButtonIcon extends FocusMixin(LitElement) { | ||
|
|
||
| static get properties() { | ||
| return { | ||
| /** | ||
| * Disables the button | ||
| * @type {boolean} | ||
| */ | ||
| disabled: { reflect: true, type: Boolean }, | ||
| /** | ||
| * REQUIRED: Preset icon key (e.g. "tier1:gear") | ||
| * @type {string} | ||
| */ | ||
| icon: { type: String }, | ||
| /** | ||
| * REQUIRED: Text for the button | ||
| * @type {string} | ||
| */ | ||
| text: { type: String }, | ||
| /** | ||
| * Visually hides the text but still accessible | ||
| * @type {boolean} | ||
| */ | ||
| textHidden: { attribute: 'text-hidden', type: Boolean } | ||
| }; | ||
| } | ||
|
|
||
| static get styles() { | ||
| return [highlightBorderStyles, css` | ||
| :host { | ||
| display: inline-block; | ||
| height: 100%; | ||
| } | ||
| :host([hidden]) { | ||
| display: none; | ||
| } | ||
| button { | ||
| align-items: center; | ||
| background: transparent; | ||
| border: none; | ||
| color: var(--d2l-color-ferrite); | ||
| cursor: pointer; | ||
| font-family: inherit; | ||
| font-size: inherit; | ||
| height: 100%; | ||
| margin: 0; | ||
| min-height: 40px; | ||
| outline: none; | ||
| overflow: visible; | ||
| padding: 0; | ||
| position: relative; | ||
| white-space: nowrap; | ||
| } | ||
| /* Firefox includes a hidden border which messes up button dimensions */ | ||
| button::-moz-focus-inner { | ||
| border: 0; | ||
| } | ||
| button:not([disabled]):hover, | ||
| button:not([disabled]):focus { | ||
| --d2l-icon-fill-color: var(--d2l-color-celestine); | ||
| color: var(--d2l-color-celestine); | ||
| outline: none; | ||
| } | ||
| button[disabled] { | ||
| cursor: default; | ||
| opacity: 0.5; | ||
| } | ||
| `]; | ||
| } | ||
|
|
||
| constructor() { | ||
| super(); | ||
| this.disabled = false; | ||
| this.textHidden = false; | ||
| this._buttonId = getUniqueId(); | ||
| } | ||
|
|
||
| static get focusElementSelector() { | ||
| return 'button'; | ||
| } | ||
|
|
||
| render() { | ||
| const { ariaLabel, id, text, tooltip } = this._getRenderSettings(); | ||
| const highlightBorder = !this.disabled ? html`<span class="d2l-navigation-highlight-border"></span>` : nothing; | ||
| return html` | ||
| <button id="${ifDefined(id)}" ?disabled="${this.disabled}" aria-label="${ifDefined(ariaLabel)}"> | ||
| ${highlightBorder} | ||
| <d2l-icon icon="${this.icon}"></d2l-icon> | ||
| ${text} | ||
| </button> | ||
| ${tooltip} | ||
| `; | ||
| } | ||
|
|
||
| _getRenderSettings() { | ||
| if (this.textHidden) { | ||
| return { | ||
| ariaLabel: this.text, | ||
| id: this._buttonId, | ||
| text: nothing, | ||
| tooltip: html`<d2l-tooltip for="${this._buttonId}" for-type="label">${this.text}</d2l-tooltip>` | ||
| }; | ||
| } | ||
| return { | ||
| ariaLabel: undefined, | ||
| id: undefined, | ||
| text: this.text, | ||
| tooltip: nothing | ||
| }; | ||
| } | ||
|
|
||
| } | ||
|
|
||
| customElements.define('d2l-navigation-button-icon', NavigationButtonIcon); |
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