kopia lustrzana https://github.com/shoelace-style/shoelace
223 wiersze
7.5 KiB
TypeScript
223 wiersze
7.5 KiB
TypeScript
import '../icon/icon';
|
|
import { classMap } from 'lit/directives/class-map.js';
|
|
import { customElement, property, query, state } from 'lit/decorators.js';
|
|
import { defaultValue } from '../../internal/default-value';
|
|
import { FormControlController } from '../../internal/form';
|
|
import { html } from 'lit';
|
|
import { ifDefined } from 'lit/directives/if-defined.js';
|
|
import { live } from 'lit/directives/live.js';
|
|
import { watch } from '../../internal/watch';
|
|
import ShoelaceElement from '../../internal/shoelace-element';
|
|
import styles from './checkbox.styles';
|
|
import type { CSSResultGroup } from 'lit';
|
|
import type { ShoelaceFormControl } from '../../internal/shoelace-element';
|
|
|
|
/**
|
|
* @summary Checkboxes allow the user to toggle an option on or off.
|
|
* @documentation https://shoelace.style/components/checkbox
|
|
* @status stable
|
|
* @since 2.0
|
|
*
|
|
* @dependency sl-icon
|
|
*
|
|
* @slot - The checkbox's label.
|
|
*
|
|
* @event sl-blur - Emitted when the checkbox loses focus.
|
|
* @event sl-change - Emitted when the checked state changes.
|
|
* @event sl-focus - Emitted when the checkbox gains focus.
|
|
* @event sl-input - Emitted when the checkbox receives input.
|
|
*
|
|
* @csspart base - The component's base wrapper.
|
|
* @csspart control - The square container that wraps the checkbox's checked state.
|
|
* @csspart control--checked - Matches the control part when the checkbox is checked.
|
|
* @csspart control--indeterminate - Matches the control part when the checkbox is indeterminate.
|
|
* @csspart checked-icon - The checked icon, an `<sl-icon>` element.
|
|
* @csspart indeterminate-icon - The indeterminate icon, an `<sl-icon>` element.
|
|
* @csspart label - The container that wraps the checkbox's label.
|
|
*/
|
|
@customElement('sl-checkbox')
|
|
export default class SlCheckbox extends ShoelaceElement implements ShoelaceFormControl {
|
|
static styles: CSSResultGroup = styles;
|
|
|
|
private readonly formControlController = new FormControlController(this, {
|
|
value: (control: SlCheckbox) => (control.checked ? control.value || 'on' : undefined),
|
|
defaultValue: (control: SlCheckbox) => control.defaultChecked,
|
|
setValue: (control: SlCheckbox, checked: boolean) => (control.checked = checked)
|
|
});
|
|
|
|
@query('input[type="checkbox"]') input: HTMLInputElement;
|
|
|
|
@state() private hasFocus = false;
|
|
|
|
@property() title = ''; // make reactive to pass through
|
|
|
|
/** The name of the checkbox, submitted as a name/value pair with form data. */
|
|
@property() name = '';
|
|
|
|
/** The current value of the checkbox, submitted as a name/value pair with form data. */
|
|
@property() value: string;
|
|
|
|
/** The checkbox's size. */
|
|
@property({ reflect: true }) size: 'small' | 'medium' | 'large' = 'medium';
|
|
|
|
/** Disables the checkbox. */
|
|
@property({ type: Boolean, reflect: true }) disabled = false;
|
|
|
|
/** Draws the checkbox in a checked state. */
|
|
@property({ type: Boolean, reflect: true }) checked = false;
|
|
|
|
/**
|
|
* Draws the checkbox in an indeterminate state. This is usually applied to checkboxes that represents a "select
|
|
* all/none" behavior when associated checkboxes have a mix of checked and unchecked states.
|
|
*/
|
|
@property({ type: Boolean, reflect: true }) indeterminate = false;
|
|
|
|
/** The default value of the form control. Primarily used for resetting the form control. */
|
|
@defaultValue('checked') defaultChecked = false;
|
|
|
|
/**
|
|
* By default, form controls are associated with the nearest containing `<form>` element. This attribute allows you
|
|
* to place the form control outside of a form and associate it with the form that has this `id`. The form must be in
|
|
* the same document or shadow root for this to work.
|
|
*/
|
|
@property({ reflect: true }) form = '';
|
|
|
|
/** Makes the checkbox a required field. */
|
|
@property({ type: Boolean, reflect: true }) required = false;
|
|
|
|
firstUpdated() {
|
|
this.formControlController.updateValidity();
|
|
}
|
|
|
|
private handleClick() {
|
|
this.checked = !this.checked;
|
|
this.indeterminate = false;
|
|
this.emit('sl-change');
|
|
}
|
|
|
|
private handleBlur() {
|
|
this.hasFocus = false;
|
|
this.emit('sl-blur');
|
|
}
|
|
|
|
private handleInput() {
|
|
this.emit('sl-input');
|
|
}
|
|
|
|
private handleFocus() {
|
|
this.hasFocus = true;
|
|
this.emit('sl-focus');
|
|
}
|
|
|
|
@watch('disabled', { waitUntilFirstUpdate: true })
|
|
handleDisabledChange() {
|
|
// Disabled form controls are always valid
|
|
this.formControlController.setValidity(this.disabled);
|
|
}
|
|
|
|
@watch(['checked', 'indeterminate'], { waitUntilFirstUpdate: true })
|
|
handleStateChange() {
|
|
this.input.checked = this.checked; // force a sync update
|
|
this.input.indeterminate = this.indeterminate; // force a sync update
|
|
this.formControlController.updateValidity();
|
|
}
|
|
|
|
/** Simulates a click on the checkbox. */
|
|
click() {
|
|
this.input.click();
|
|
}
|
|
|
|
/** Sets focus on the checkbox. */
|
|
focus(options?: FocusOptions) {
|
|
this.input.focus(options);
|
|
}
|
|
|
|
/** Removes focus from the checkbox. */
|
|
blur() {
|
|
this.input.blur();
|
|
}
|
|
|
|
/** Checks for validity but does not show a validation message. Returns true when valid and false when invalid. */
|
|
checkValidity() {
|
|
return this.input.checkValidity();
|
|
}
|
|
|
|
/** Checks for validity and shows a validation message if the control is invalid. */
|
|
reportValidity() {
|
|
return this.input.reportValidity();
|
|
}
|
|
|
|
/**
|
|
* Sets a custom validation message. The value provided will be shown to the user when the form is submitted. To clear
|
|
* the custom validation message, call this method with an empty string.
|
|
*/
|
|
setCustomValidity(message: string) {
|
|
this.input.setCustomValidity(message);
|
|
this.formControlController.updateValidity();
|
|
}
|
|
|
|
render() {
|
|
return html`
|
|
<label
|
|
part="base"
|
|
class=${classMap({
|
|
checkbox: true,
|
|
'checkbox--checked': this.checked,
|
|
'checkbox--disabled': this.disabled,
|
|
'checkbox--focused': this.hasFocus,
|
|
'checkbox--indeterminate': this.indeterminate,
|
|
'checkbox--small': this.size === 'small',
|
|
'checkbox--medium': this.size === 'medium',
|
|
'checkbox--large': this.size === 'large'
|
|
})}
|
|
>
|
|
<input
|
|
class="checkbox__input"
|
|
type="checkbox"
|
|
title=${this.title /* An empty title prevents browser validation tooltips from appearing on hover */}
|
|
name=${this.name}
|
|
value=${ifDefined(this.value)}
|
|
.indeterminate=${live(this.indeterminate)}
|
|
.checked=${live(this.checked)}
|
|
.disabled=${this.disabled}
|
|
.required=${this.required}
|
|
aria-checked=${this.checked ? 'true' : 'false'}
|
|
@click=${this.handleClick}
|
|
@input=${this.handleInput}
|
|
@blur=${this.handleBlur}
|
|
@focus=${this.handleFocus}
|
|
/>
|
|
|
|
<span
|
|
part="control${this.checked ? ' control--checked' : ''}${this.indeterminate ? ' control--indeterminate' : ''}"
|
|
class="checkbox__control"
|
|
>
|
|
${this.checked
|
|
? html`
|
|
<sl-icon part="checked-icon" class="checkbox__checked-icon" library="system" name="check"></sl-icon>
|
|
`
|
|
: ''}
|
|
${!this.checked && this.indeterminate
|
|
? html`
|
|
<sl-icon
|
|
part="indeterminate-icon"
|
|
class="checkbox__indeterminate-icon"
|
|
library="system"
|
|
name="indeterminate"
|
|
></sl-icon>
|
|
`
|
|
: ''}
|
|
</span>
|
|
|
|
<slot part="label" class="checkbox__label"></slot>
|
|
</label>
|
|
`;
|
|
}
|
|
}
|
|
|
|
declare global {
|
|
interface HTMLElementTagNameMap {
|
|
'sl-checkbox': SlCheckbox;
|
|
}
|
|
}
|