import React, { useState, ChangeEvent, useEffect } from 'react'
import styled from 'styled-components'
import { Label } from './label'
import focusShadowStyle from '../utils/focus-shadow.style'
const Icon = styled.svg`
fill: none;
stroke: white;
stroke-width: 2px;
`
export const CheckboxRadioContainer = styled.span`
position: relative;
display: inline-block;
vertical-align: middle;
& + ${Label} {
margin-left: ${({ theme }): string => theme.space.default};
vertical-align: middle;
margin-bottom: ${({ theme }): string => theme.space.sm};
}
`
// Hide checkbox visually but remain accessible to screen readers.
// Source: https://polished.js.org/docs/#hidevisually
const HiddenCheckbox = styled.input.attrs({ type: 'checkbox' })`
border: 0;
clip: rect(0 0 0 0);
height: 1px;
margin: -1px;
overflow: hidden;
padding: 0;
position: absolute;
white-space: nowrap;
width: 1px;
`
type StyledProps = {
checked?: boolean;
disabled?: boolean;
}
const checkboxBackground = (theme, checked, disabled): string => {
if (checked) {
return disabled ? theme.colors.grey40 : theme.colors.primary100
}
return theme.colors.white
}
const StyledCheckbox = styled.a<StyledProps>`
display: inline-block;
width: 16px;
/* when it is placed within a container setting different font size */
font-size: 12px;
cursor: pointer;
border: 1px solid ${({ theme }): string => theme.colors.grey40};
height: 16px;
background: ${({ checked, theme, disabled }): string => checkboxBackground(theme, checked, disabled)};
transition: all 150ms;
position: relative;
${HiddenCheckbox}:focus + & {
${({ theme }): string => `box-shadow: ${focusShadowStyle(theme)};`};
}
${HiddenCheckbox}:hover + & {
border-color: ${({ theme }): string => theme.colors.grey60};
}
${Icon} {
visibility: ${(props): string => (props.checked ? 'visible' : 'hidden')};
}
&:after {
content: '';
position: absolute;
left: -5px;
top: -5px;
width: 24px;
height: 24px;
opacity: 0;
background: ${({ theme }): string => theme.colors.primary100};
}
&:after:before {
opacity: 0.1;
}
`
export type CheckBoxProps = React.HTMLProps<HTMLInputElement>
/**
* @typedef {object} CheckBoxProps
* @alias CheckBoxProps
* @memberof module:@adminjs/design-system.CheckBox
* @property {string} [...] All props default to _checkbox_ html input like `onChange`,
* `checked` etc.
*/
/**
* @classdesc
*
* <img src="components/checkbox.png" />
*
* HTML CheckBox
*
* ### Usage
*
* ```javascript
* import { CheckBox, CheckBoxProps } from '@adminjs/design-system'
* ```
*
* @component
* @see {@link https://storybook.adminjs.co/?path=/story/designsystem-atoms-checkbox--default StoryBook}
* @hideconstructor
* @subcategory Atoms
* @example
* return (
* <Box p="xl">
* <CheckBox id="checkbox1"/>
* <Label inline htmlFor="checkbox1" ml="default">Some example label</Label>
* </Box>
* )
* @section design-system
*/
const CheckBox: React.FC<CheckBoxProps> = (props) => {
const { className, checked, onChange, disabled, ...restProps } = props
const [isChecked, setChecked] = useState(checked ?? false)
const handleChange = (event: ChangeEvent<HTMLInputElement>): void => {
if (onChange) {
onChange(event)
} else {
setChecked(!event.target.checked)
}
}
useEffect(() => {
setChecked(checked ?? false)
}, [checked])
return (
<CheckboxRadioContainer className={[className ?? '', 'adminjs_Checkbox'].join(' ')}>
<HiddenCheckbox
checked={isChecked}
onChange={handleChange}
// eslint-disable-next-line @typescript-eslint/ban-types
{...restProps as {}}
disabled={disabled}
/>
<StyledCheckbox
checked={isChecked}
disabled={disabled}
onClick={(event): void => handleChange && handleChange(event as any)}
>
<Icon viewBox="0 0 24 24">
<polyline points="20 6 9 17 4 12" />
</Icon>
</StyledCheckbox>
</CheckboxRadioContainer>
)
}
export { CheckBox }
export default CheckBox
Source