kopia lustrzana https://github.com/shoelace-style/shoelace
880 wiersze
27 KiB
TypeScript
880 wiersze
27 KiB
TypeScript
import Color from 'color';
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import { html, LitElement } from 'lit';
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import { customElement, property, query, state } from 'lit/decorators.js';
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import { classMap } from 'lit/directives/class-map.js';
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import { ifDefined } from 'lit/directives/if-defined.js';
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import { live } from 'lit/directives/live.js';
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import { styleMap } from 'lit/directives/style-map.js';
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import '~/components/button-group/button-group';
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import '~/components/button/button';
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import '~/components/dropdown/dropdown';
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import type SlDropdown from '~/components/dropdown/dropdown';
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import '~/components/icon/icon';
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import '~/components/input/input';
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import type SlInput from '~/components/input/input';
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import '~/components/visually-hidden/visually-hidden';
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import { drag } from '~/internal/drag';
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import { emit } from '~/internal/event';
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import { FormSubmitController } from '~/internal/form';
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import { clamp } from '~/internal/math';
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import { watch } from '~/internal/watch';
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import { LocalizeController } from '~/utilities/localize';
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import styles from './color-picker.styles';
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const hasEyeDropper = 'EyeDropper' in window;
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interface EyeDropperConstructor {
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new (): EyeDropperInterface;
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}
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interface EyeDropperInterface {
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open: () => Promise<{ sRGBHex: string }>;
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}
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declare const EyeDropper: EyeDropperConstructor;
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/**
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* @since 2.0
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* @status stable
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*
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* @dependency sl-button
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* @dependency sl-button-group
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* @dependency sl-dropdown
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* @dependency sl-input
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* @dependency sl-visually-hidden
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*
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* @slot label - The color picker's label. Alternatively, you can use the label prop.
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*
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* @event sl-change Emitted when the color picker's value changes.
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*
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* @csspart base - The component's internal wrapper.
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* @csspart trigger - The color picker's dropdown trigger.
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* @csspart swatches - The container that holds swatches.
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* @csspart swatch - Each individual swatch.
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* @csspart grid - The color grid.
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* @csspart grid-handle - The color grid's handle.
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* @csspart hue-slider - The hue slider.
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* @csspart opacity-slider - The opacity slider.
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* @csspart slider - Hue and opacity sliders.
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* @csspart slider-handle - Hue and opacity slider handles.
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* @csspart preview - The preview color.
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* @csspart input - The text input.
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* @csspart eye-dropper-button - The eye dropper button.
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* @csspart eye-dropper-button__button - The eye dropper button's `button` part.
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* @csspart eye-dropper-button__prefix - The eye dropper button's `prefix` part.
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* @csspart eye-dropper-button__label - The eye dropper button's `label` part.
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* @csspart eye-dropper-button__button-suffix - The eye dropper button's `suffix` part.
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* @csspart eye-dropper-button__caret - The eye dropper button's `caret` part.
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* @csspart format-button - The format button.
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* @csspart format-button__button - The format button's `button` part.
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* @csspart format-button__prefix - The format button's `prefix` part.
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* @csspart format-button__label - The format button's `label` part.
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* @csspart format-button__button-suffix - The format button's `suffix` part.
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* @csspart format-button__caret - The format button's `caret` part.
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*
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* @cssproperty --grid-width - The width of the color grid.
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* @cssproperty --grid-height - The height of the color grid.
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* @cssproperty --grid-handle-size - The size of the color grid's handle.
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* @cssproperty --slider-height - The height of the hue and alpha sliders.
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* @cssproperty --slider-handle-size - The diameter of the slider's handle.
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* @cssproperty --swatch-size - The size of each predefined color swatch.
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*/
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@customElement('sl-color-picker')
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export default class SlColorPicker extends LitElement {
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static styles = styles;
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@query('[part="input"]') input: SlInput;
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@query('[part="preview"]') previewButton: HTMLButtonElement;
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@query('.color-dropdown') dropdown: SlDropdown;
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// @ts-expect-error -- Controller is currently unused
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private readonly formSubmitController = new FormSubmitController(this);
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private isSafeValue = false;
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private lastValueEmitted: string;
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private readonly localize = new LocalizeController(this);
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@state() private inputValue = '';
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@state() private hue = 0;
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@state() private saturation = 100;
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@state() private lightness = 100;
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@state() private alpha = 100;
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/** The current color. */
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@property() value = '#ffffff';
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/* The color picker's label. This will not be displayed, but it will be announced by assistive devices. */
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@property() label = '';
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/**
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* The format to use for the display value. If opacity is enabled, these will translate to HEXA, RGBA, and HSLA
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* respectively. The color picker will always accept user input in any format (including CSS color names) and convert
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* it to the desired format.
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*/
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@property() format: 'hex' | 'rgb' | 'hsl' = 'hex';
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/** Renders the color picker inline rather than inside a dropdown. */
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@property({ type: Boolean, reflect: true }) inline = false;
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/** Determines the size of the color picker's trigger. This has no effect on inline color pickers. */
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@property() size: 'small' | 'medium' | 'large' = 'medium';
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/** Removes the format toggle. */
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@property({ attribute: 'no-format-toggle', type: Boolean }) noFormatToggle = false;
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/** The input's name attribute. */
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@property() name = '';
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/** Disables the color picker. */
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@property({ type: Boolean, reflect: true }) disabled = false;
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/**
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* This will be true when the control is in an invalid state. Validity is determined by the `setCustomValidity()`
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* method using the browser's constraint validation API.
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*/
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@property({ type: Boolean, reflect: true }) invalid = false;
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/**
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* Enable this option to prevent the panel from being clipped when the component is placed inside a container with
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* `overflow: auto|scroll`.
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*/
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@property({ type: Boolean }) hoist = false;
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/** Whether to show the opacity slider. */
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@property({ type: Boolean }) opacity = false;
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/** By default, the value will be set in lowercase. Set this to true to set it in uppercase instead. */
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@property({ type: Boolean }) uppercase = false;
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/**
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* An array of predefined color swatches to display. Can include any format the color picker can parse, including
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* HEX(A), RGB(A), HSL(A), and CSS color names.
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*/
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@property({ attribute: false }) swatches: string[] = [
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'#d0021b',
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'#f5a623',
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'#f8e71c',
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'#8b572a',
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'#7ed321',
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'#417505',
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'#bd10e0',
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'#9013fe',
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'#4a90e2',
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'#50e3c2',
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'#b8e986',
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'#000',
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'#444',
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'#888',
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'#ccc',
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'#fff'
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];
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/** The locale to render the component in. */
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@property() lang: string;
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connectedCallback() {
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super.connectedCallback();
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if (!this.setColor(this.value)) {
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this.setColor(`#ffff`);
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}
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this.inputValue = this.value;
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this.lastValueEmitted = this.value;
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this.syncValues();
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}
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/** Returns the current value as a string in the specified format. */
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getFormattedValue(format: 'hex' | 'hexa' | 'rgb' | 'rgba' | 'hsl' | 'hsla' = 'hex') {
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const currentColor = this.parseColor(
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`hsla(${this.hue}, ${this.saturation}%, ${this.lightness}%, ${this.alpha / 100})`
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);
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if (currentColor === null) {
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return '';
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}
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switch (format) {
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case 'hex':
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return currentColor.hex;
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case 'hexa':
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return currentColor.hexa;
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case 'rgb':
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return currentColor.rgb.string;
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case 'rgba':
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return currentColor.rgba.string;
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case 'hsl':
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return currentColor.hsl.string;
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case 'hsla':
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return currentColor.hsla.string;
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default:
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return '';
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}
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}
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/** Checks for validity and shows the browser's validation message if the control is invalid. */
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reportValidity() {
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// If the input is invalid, show the dropdown so the browser can focus on it
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if (!this.inline && this.input.invalid) {
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return new Promise<void>(resolve => {
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this.dropdown.addEventListener(
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'sl-after-show',
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() => {
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this.input.reportValidity();
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resolve();
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},
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{ once: true }
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);
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this.dropdown.show();
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});
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}
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return this.input.reportValidity();
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}
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/** Sets a custom validation message. If `message` is not empty, the field will be considered invalid. */
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setCustomValidity(message: string) {
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this.input.setCustomValidity(message);
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this.invalid = this.input.invalid;
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}
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handleCopy() {
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this.input.select();
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document.execCommand('copy');
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this.previewButton.focus();
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// Show copied animation
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this.previewButton.classList.add('color-picker__preview-color--copied');
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this.previewButton.addEventListener('animationend', () => {
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this.previewButton.classList.remove('color-picker__preview-color--copied');
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});
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}
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handleFormatToggle() {
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const formats = ['hex', 'rgb', 'hsl'];
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const nextIndex = (formats.indexOf(this.format) + 1) % formats.length;
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this.format = formats[nextIndex] as 'hex' | 'rgb' | 'hsl';
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}
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handleAlphaDrag(event: Event) {
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const container = this.shadowRoot!.querySelector<HTMLElement>('.color-picker__slider.color-picker__alpha')!;
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const handle = container.querySelector<HTMLElement>('.color-picker__slider-handle')!;
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const { width } = container.getBoundingClientRect();
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handle.focus();
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event.preventDefault();
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drag(container, x => {
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this.alpha = clamp((x / width) * 100, 0, 100);
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this.syncValues();
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});
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}
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handleHueDrag(event: Event) {
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const container = this.shadowRoot!.querySelector<HTMLElement>('.color-picker__slider.color-picker__hue')!;
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const handle = container.querySelector<HTMLElement>('.color-picker__slider-handle')!;
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const { width } = container.getBoundingClientRect();
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handle.focus();
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event.preventDefault();
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drag(container, x => {
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this.hue = clamp((x / width) * 360, 0, 360);
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this.syncValues();
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});
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}
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handleGridDrag(event: Event) {
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const grid = this.shadowRoot!.querySelector<HTMLElement>('.color-picker__grid')!;
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const handle = grid.querySelector<HTMLElement>('.color-picker__grid-handle')!;
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const { width, height } = grid.getBoundingClientRect();
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handle.focus();
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event.preventDefault();
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drag(grid, (x, y) => {
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this.saturation = clamp((x / width) * 100, 0, 100);
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this.lightness = clamp(100 - (y / height) * 100, 0, 100);
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this.syncValues();
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});
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}
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handleAlphaKeyDown(event: KeyboardEvent) {
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const increment = event.shiftKey ? 10 : 1;
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if (event.key === 'ArrowLeft') {
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event.preventDefault();
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this.alpha = clamp(this.alpha - increment, 0, 100);
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this.syncValues();
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}
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if (event.key === 'ArrowRight') {
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event.preventDefault();
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this.alpha = clamp(this.alpha + increment, 0, 100);
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this.syncValues();
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}
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if (event.key === 'Home') {
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event.preventDefault();
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this.alpha = 0;
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this.syncValues();
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}
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if (event.key === 'End') {
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event.preventDefault();
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this.alpha = 100;
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this.syncValues();
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}
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}
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handleHueKeyDown(event: KeyboardEvent) {
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const increment = event.shiftKey ? 10 : 1;
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if (event.key === 'ArrowLeft') {
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event.preventDefault();
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this.hue = clamp(this.hue - increment, 0, 360);
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this.syncValues();
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}
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if (event.key === 'ArrowRight') {
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event.preventDefault();
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this.hue = clamp(this.hue + increment, 0, 360);
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this.syncValues();
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}
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if (event.key === 'Home') {
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event.preventDefault();
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this.hue = 0;
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this.syncValues();
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}
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if (event.key === 'End') {
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event.preventDefault();
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this.hue = 360;
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this.syncValues();
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}
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}
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handleGridKeyDown(event: KeyboardEvent) {
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const increment = event.shiftKey ? 10 : 1;
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if (event.key === 'ArrowLeft') {
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event.preventDefault();
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this.saturation = clamp(this.saturation - increment, 0, 100);
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this.syncValues();
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}
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if (event.key === 'ArrowRight') {
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event.preventDefault();
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this.saturation = clamp(this.saturation + increment, 0, 100);
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this.syncValues();
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}
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if (event.key === 'ArrowUp') {
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event.preventDefault();
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this.lightness = clamp(this.lightness + increment, 0, 100);
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this.syncValues();
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}
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if (event.key === 'ArrowDown') {
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event.preventDefault();
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this.lightness = clamp(this.lightness - increment, 0, 100);
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this.syncValues();
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}
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}
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handleInputChange(event: CustomEvent) {
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const target = event.target as HTMLInputElement;
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this.setColor(target.value);
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target.value = this.value;
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event.stopPropagation();
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}
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handleInputKeyDown(event: KeyboardEvent) {
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if (event.key === 'Enter') {
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this.setColor(this.input.value);
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this.input.value = this.value;
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setTimeout(() => this.input.select());
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}
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}
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normalizeColorString(colorString: string) {
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//
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// The color module we're using doesn't parse % values for the alpha channel in RGBA and HSLA. It also doesn't parse
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// hex colors when the # is missing. This pre-parser tries to normalize these edge cases to provide a better
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// experience for users who type in color values.
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//
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if (/rgba?/i.test(colorString)) {
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const rgba = colorString
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.replace(/[^\d.%]/g, ' ')
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.split(' ')
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.map(val => val.trim())
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.filter(val => val.length);
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if (rgba.length < 4) {
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rgba[3] = '1';
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}
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if (rgba[3].indexOf('%') > -1) {
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rgba[3] = (parseFloat(rgba[3].replace(/%/g, '')) / 100).toString();
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}
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return `rgba(${rgba[0]}, ${rgba[1]}, ${rgba[2]}, ${rgba[3]})`;
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}
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if (/hsla?/i.test(colorString)) {
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const hsla = colorString
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.replace(/[^\d.%]/g, ' ')
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.split(' ')
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.map(val => val.trim())
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.filter(val => val.length);
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if (hsla.length < 4) {
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hsla[3] = '1';
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}
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if (hsla[3].indexOf('%') > -1) {
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hsla[3] = (parseFloat(hsla[3].replace(/%/g, '')) / 100).toString();
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}
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return `hsla(${hsla[0]}, ${hsla[1]}, ${hsla[2]}, ${hsla[3]})`;
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}
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if (/^[0-9a-f]+$/i.test(colorString)) {
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return `#${colorString}`;
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}
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return colorString;
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}
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parseColor(colorString: string) {
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let parsed: Color;
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// The color module has a weak parser, so we normalize certain things to make the user experience better
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colorString = this.normalizeColorString(colorString);
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try {
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parsed = Color(colorString);
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} catch {
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return null;
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}
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const hslColor = parsed.hsl();
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const hsl = {
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h: hslColor.hue(),
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s: hslColor.saturationl(),
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l: hslColor.lightness(),
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a: hslColor.alpha()
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};
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const rgbColor = parsed.rgb();
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const rgb = {
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r: rgbColor.red(),
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g: rgbColor.green(),
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b: rgbColor.blue(),
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a: rgbColor.alpha()
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};
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const hex = {
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r: toHex(rgb.r),
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g: toHex(rgb.g),
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b: toHex(rgb.b),
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a: toHex(rgb.a * 255)
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};
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return {
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hsl: {
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h: hsl.h,
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s: hsl.s,
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l: hsl.l,
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string: this.setLetterCase(`hsl(${Math.round(hsl.h)}, ${Math.round(hsl.s)}%, ${Math.round(hsl.l)}%)`)
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},
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hsla: {
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h: hsl.h,
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s: hsl.s,
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l: hsl.l,
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a: hsl.a,
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string: this.setLetterCase(
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`hsla(${Math.round(hsl.h)}, ${Math.round(hsl.s)}%, ${Math.round(hsl.l)}%, ${hsl.a.toFixed(2).toString()})`
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)
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},
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rgb: {
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r: rgb.r,
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g: rgb.g,
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b: rgb.b,
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string: this.setLetterCase(`rgb(${Math.round(rgb.r)}, ${Math.round(rgb.g)}, ${Math.round(rgb.b)})`)
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},
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rgba: {
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r: rgb.r,
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g: rgb.g,
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b: rgb.b,
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a: rgb.a,
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string: this.setLetterCase(
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`rgba(${Math.round(rgb.r)}, ${Math.round(rgb.g)}, ${Math.round(rgb.b)}, ${rgb.a.toFixed(2).toString()})`
|
|
)
|
|
},
|
|
hex: this.setLetterCase(`#${hex.r}${hex.g}${hex.b}`),
|
|
hexa: this.setLetterCase(`#${hex.r}${hex.g}${hex.b}${hex.a}`)
|
|
};
|
|
}
|
|
|
|
setColor(colorString: string) {
|
|
const newColor = this.parseColor(colorString);
|
|
|
|
if (newColor === null) {
|
|
return false;
|
|
}
|
|
|
|
this.hue = newColor.hsla.h;
|
|
this.saturation = newColor.hsla.s;
|
|
this.lightness = newColor.hsla.l;
|
|
this.alpha = this.opacity ? newColor.hsla.a * 100 : 100;
|
|
|
|
this.syncValues();
|
|
|
|
return true;
|
|
}
|
|
|
|
setLetterCase(string: string) {
|
|
if (typeof string !== 'string') {
|
|
return '';
|
|
}
|
|
return this.uppercase ? string.toUpperCase() : string.toLowerCase();
|
|
}
|
|
|
|
async syncValues() {
|
|
const currentColor = this.parseColor(
|
|
`hsla(${this.hue}, ${this.saturation}%, ${this.lightness}%, ${this.alpha / 100})`
|
|
);
|
|
|
|
if (currentColor === null) {
|
|
return;
|
|
}
|
|
|
|
// Update the value
|
|
if (this.format === 'hsl') {
|
|
this.inputValue = this.opacity ? currentColor.hsla.string : currentColor.hsl.string;
|
|
} else if (this.format === 'rgb') {
|
|
this.inputValue = this.opacity ? currentColor.rgba.string : currentColor.rgb.string;
|
|
} else {
|
|
this.inputValue = this.opacity ? currentColor.hexa : currentColor.hex;
|
|
}
|
|
|
|
// Setting this.value will trigger the watcher which parses the new value. We want to bypass that behavior because
|
|
// we've already parsed the color here and conversion/rounding can lead to values changing slightly. WHen this
|
|
// happens, dragging the grid handle becomes jumpy. After the next update, the usual behavior is restored.
|
|
this.isSafeValue = true;
|
|
this.value = this.inputValue;
|
|
await this.updateComplete;
|
|
this.isSafeValue = false;
|
|
}
|
|
|
|
handleAfterHide() {
|
|
this.previewButton.classList.remove('color-picker__preview-color--copied');
|
|
}
|
|
|
|
handleEyeDropper() {
|
|
if (!hasEyeDropper) {
|
|
return;
|
|
}
|
|
|
|
const eyeDropper = new EyeDropper();
|
|
|
|
eyeDropper
|
|
.open()
|
|
.then(colorSelectionResult => this.setColor(colorSelectionResult.sRGBHex))
|
|
.catch(() => {
|
|
// The user canceled, do nothing
|
|
});
|
|
}
|
|
|
|
@watch('format')
|
|
handleFormatChange() {
|
|
this.syncValues();
|
|
}
|
|
|
|
@watch('opacity')
|
|
handleOpacityChange() {
|
|
this.alpha = 100;
|
|
}
|
|
|
|
@watch('value')
|
|
handleValueChange(oldValue: string | undefined, newValue: string) {
|
|
if (!this.isSafeValue && oldValue !== undefined) {
|
|
const newColor = this.parseColor(newValue);
|
|
|
|
if (newColor !== null) {
|
|
this.inputValue = this.value;
|
|
this.hue = newColor.hsla.h;
|
|
this.saturation = newColor.hsla.s;
|
|
this.lightness = newColor.hsla.l;
|
|
this.alpha = newColor.hsla.a * 100;
|
|
} else {
|
|
this.inputValue = oldValue;
|
|
}
|
|
}
|
|
|
|
if (this.value !== this.lastValueEmitted) {
|
|
emit(this, 'sl-change');
|
|
this.lastValueEmitted = this.value;
|
|
}
|
|
}
|
|
|
|
render() {
|
|
const x = this.saturation;
|
|
const y = 100 - this.lightness;
|
|
|
|
const colorPicker = html`
|
|
<div
|
|
part="base"
|
|
class=${classMap({
|
|
'color-picker': true,
|
|
'color-picker--inline': this.inline,
|
|
'color-picker--disabled': this.disabled
|
|
})}
|
|
aria-disabled=${this.disabled ? 'true' : 'false'}
|
|
aria-labelledby="label"
|
|
tabindex=${this.inline ? '0' : '-1'}
|
|
>
|
|
${this.inline
|
|
? html`
|
|
<sl-visually-hidden id="label">
|
|
<slot name="label">${this.label}</slot>
|
|
</sl-visually-hidden>
|
|
`
|
|
: null}
|
|
|
|
<div
|
|
part="grid"
|
|
class="color-picker__grid"
|
|
style=${styleMap({ backgroundColor: `hsl(${this.hue}deg, 100%, 50%)` })}
|
|
@mousedown=${this.handleGridDrag}
|
|
@touchstart=${this.handleGridDrag}
|
|
>
|
|
<span
|
|
part="grid-handle"
|
|
class="color-picker__grid-handle"
|
|
style=${styleMap({
|
|
top: `${y}%`,
|
|
left: `${x}%`,
|
|
backgroundColor: `hsla(${this.hue}deg, ${this.saturation}%, ${this.lightness}%)`
|
|
})}
|
|
role="application"
|
|
aria-label="HSL"
|
|
tabindex=${ifDefined(this.disabled ? undefined : '0')}
|
|
@keydown=${this.handleGridKeyDown}
|
|
></span>
|
|
</div>
|
|
|
|
<div class="color-picker__controls">
|
|
<div class="color-picker__sliders">
|
|
<div
|
|
part="slider hue-slider"
|
|
class="color-picker__hue color-picker__slider"
|
|
@mousedown=${this.handleHueDrag}
|
|
@touchstart=${this.handleHueDrag}
|
|
>
|
|
<span
|
|
part="slider-handle"
|
|
class="color-picker__slider-handle"
|
|
style=${styleMap({
|
|
left: `${this.hue === 0 ? 0 : 100 / (360 / this.hue)}%`
|
|
})}
|
|
role="slider"
|
|
aria-label="hue"
|
|
aria-orientation="horizontal"
|
|
aria-valuemin="0"
|
|
aria-valuemax="360"
|
|
aria-valuenow=${`${Math.round(this.hue)}`}
|
|
tabindex=${ifDefined(this.disabled ? undefined : '0')}
|
|
@keydown=${this.handleHueKeyDown}
|
|
></span>
|
|
</div>
|
|
|
|
${this.opacity
|
|
? html`
|
|
<div
|
|
part="slider opacity-slider"
|
|
class="color-picker__alpha color-picker__slider color-picker__transparent-bg"
|
|
@mousedown="${this.handleAlphaDrag}"
|
|
@touchstart="${this.handleAlphaDrag}"
|
|
>
|
|
<div
|
|
class="color-picker__alpha-gradient"
|
|
style=${styleMap({
|
|
backgroundImage: `linear-gradient(
|
|
to right,
|
|
hsl(${this.hue}deg, ${this.saturation}%, ${this.lightness}%, 0%) 0%,
|
|
hsl(${this.hue}deg, ${this.saturation}%, ${this.lightness}%) 100%
|
|
)`
|
|
})}
|
|
></div>
|
|
<span
|
|
part="slider-handle"
|
|
class="color-picker__slider-handle"
|
|
style=${styleMap({
|
|
left: `${this.alpha}%`
|
|
})}
|
|
role="slider"
|
|
aria-label="alpha"
|
|
aria-orientation="horizontal"
|
|
aria-valuemin="0"
|
|
aria-valuemax="100"
|
|
aria-valuenow=${Math.round(this.alpha)}
|
|
tabindex=${ifDefined(this.disabled ? undefined : '0')}
|
|
@keydown=${this.handleAlphaKeyDown}
|
|
></span>
|
|
</div>
|
|
`
|
|
: ''}
|
|
</div>
|
|
|
|
<button
|
|
type="button"
|
|
part="preview"
|
|
class="color-picker__preview color-picker__transparent-bg"
|
|
aria-label=${this.localize.term('copy')}
|
|
style=${styleMap({
|
|
'--preview-color': `hsla(${this.hue}deg, ${this.saturation}%, ${this.lightness}%, ${this.alpha / 100})`
|
|
})}
|
|
@click=${this.handleCopy}
|
|
></button>
|
|
</div>
|
|
|
|
<div class="color-picker__user-input" aria-live="polite">
|
|
<sl-input
|
|
part="input"
|
|
type="text"
|
|
name=${this.name}
|
|
autocomplete="off"
|
|
autocorrect="off"
|
|
autocapitalize="off"
|
|
spellcheck="false"
|
|
.value=${live(this.inputValue)}
|
|
?disabled=${this.disabled}
|
|
aria-label=${this.localize.term('currentValue')}
|
|
@keydown=${this.handleInputKeyDown}
|
|
@sl-change=${this.handleInputChange}
|
|
></sl-input>
|
|
|
|
<sl-button-group>
|
|
${!this.noFormatToggle
|
|
? html`
|
|
<sl-button
|
|
part="format-button"
|
|
aria-label=${this.localize.term('toggleColorFormat')}
|
|
exportparts="
|
|
base:format-button__base,
|
|
prefix:format-button__prefix,
|
|
label:format-button__label,
|
|
suffix:format-button__suffix,
|
|
caret:format-button__caret
|
|
"
|
|
@click=${this.handleFormatToggle}
|
|
>
|
|
${this.setLetterCase(this.format)}
|
|
</sl-button>
|
|
`
|
|
: ''}
|
|
${hasEyeDropper
|
|
? html`
|
|
<sl-button
|
|
part="eye-dropper-button"
|
|
exportparts="
|
|
base:eye-dropper-button__base,
|
|
prefix:eye-dropper-button__prefix,
|
|
label:eye-dropper-button__label,
|
|
suffix:eye-dropper-button__suffix,
|
|
caret:eye-dropper-button__caret
|
|
"
|
|
@click=${this.handleEyeDropper}
|
|
>
|
|
<sl-icon
|
|
library="system"
|
|
name="eyedropper"
|
|
label=${this.localize.term('selectAColorFromTheScreen')}
|
|
></sl-icon>
|
|
</sl-button>
|
|
`
|
|
: ''}
|
|
</sl-button-group>
|
|
</div>
|
|
|
|
${this.swatches.length > 0
|
|
? html`
|
|
<div part="swatches" class="color-picker__swatches">
|
|
${this.swatches.map(swatch => {
|
|
return html`
|
|
<div
|
|
part="swatch"
|
|
class="color-picker__swatch color-picker__transparent-bg"
|
|
tabindex=${ifDefined(this.disabled ? undefined : '0')}
|
|
role="button"
|
|
aria-label=${swatch}
|
|
@click=${() => !this.disabled && this.setColor(swatch)}
|
|
@keydown=${(event: KeyboardEvent) =>
|
|
!this.disabled && event.key === 'Enter' && this.setColor(swatch)}
|
|
>
|
|
<div class="color-picker__swatch-color" style=${styleMap({ backgroundColor: swatch })}></div>
|
|
</div>
|
|
`;
|
|
})}
|
|
</div>
|
|
`
|
|
: ''}
|
|
</div>
|
|
`;
|
|
|
|
// Render inline
|
|
if (this.inline) {
|
|
return colorPicker;
|
|
}
|
|
|
|
// Render as a dropdown
|
|
return html`
|
|
<sl-dropdown
|
|
class="color-dropdown"
|
|
aria-disabled=${this.disabled ? 'true' : 'false'}
|
|
.containing-element=${this}
|
|
?disabled=${this.disabled}
|
|
?hoist=${this.hoist}
|
|
@sl-after-hide=${this.handleAfterHide}
|
|
>
|
|
<button
|
|
part="trigger"
|
|
slot="trigger"
|
|
class=${classMap({
|
|
'color-dropdown__trigger': true,
|
|
'color-dropdown__trigger--disabled': this.disabled,
|
|
'color-dropdown__trigger--small': this.size === 'small',
|
|
'color-dropdown__trigger--medium': this.size === 'medium',
|
|
'color-dropdown__trigger--large': this.size === 'large',
|
|
'color-picker__transparent-bg': true
|
|
})}
|
|
style=${styleMap({
|
|
color: `hsla(${this.hue}deg, ${this.saturation}%, ${this.lightness}%, ${this.alpha / 100})`
|
|
})}
|
|
type="button"
|
|
>
|
|
<sl-visually-hidden>
|
|
<slot name="label">${this.label}</slot>
|
|
</sl-visually-hidden>
|
|
</button>
|
|
${colorPicker}
|
|
</sl-dropdown>
|
|
`;
|
|
}
|
|
}
|
|
|
|
function toHex(value: number) {
|
|
const hex = Math.round(value).toString(16);
|
|
return hex.length === 1 ? `0${hex}` : hex;
|
|
}
|
|
|
|
declare global {
|
|
interface HTMLElementTagNameMap {
|
|
'sl-color-picker': SlColorPicker;
|
|
}
|
|
}
|