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Switch.js
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Switch.js
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import { css } from 'glamor'
import React, { PureComponent } from 'react'
import PropTypes from 'prop-types'
import Box, { spacing, position, layout } from 'ui-box'
import { withTheme } from '../../theme'
const animationEasing = {
spring: `cubic-bezier(0.175, 0.885, 0.320, 1.175)`
}
const handleStyleClass = css({
backgroundColor: '#fff',
borderRadius: 9999
}).toString()
const iconContainerStyleClass = css({
transition: `all 500ms ${animationEasing.spring}`,
opacity: 0,
display: 'flex',
position: 'absolute',
alignItems: 'center',
justifyContent: 'center',
paddingLeft: 4,
'&[data-checked="true"]': {
opacity: 1,
transform: 'scale(1)'
},
'> svg': {
transition: `all 500ms ${animationEasing.spring}`,
transform: 'scale(0)'
},
'&[data-checked="true"] > svg': {
transform: 'scale(1)'
}
}).toString()
const handleContainerStyleClass = css({
transition: 'transform 200ms ease-in-out',
transform: 'translateX(0%)',
'&[data-checked="true"]': {
transform: 'translateX(50%)'
}
}).toString()
const CheckIcon = ({ size, fill = 'currentColor', ...props }) => (
<svg width={10} height={size} viewBox="0 0 10 7" {...props}>
<path
fill={fill}
fillRule="evenodd"
d="M4 4.586L1.707 2.293A1 1 0 1 0 .293 3.707l3 3a.997.997 0 0 0 1.414 0l5-5A1 1 0 1 0 8.293.293L4 4.586z"
/>
</svg>
)
CheckIcon.propTypes = {
fill: PropTypes.string,
size: PropTypes.number
}
const isControlled = component => {
return {}.hasOwnProperty.call(component.props, 'checked')
}
class Switch extends PureComponent {
static propTypes = {
/**
* Composes some Box APIs.
*/
...spacing.propTypes,
...position.propTypes,
...layout.propTypes,
/**
* The id attribute of the radio.
*/
id: PropTypes.string,
/**
* The name attribute of the radio.
*/
name: PropTypes.string,
/**
* The value attribute of the radio.
*/
value: PropTypes.string,
/**
* The height of the switch.
*/
height: PropTypes.number,
/**
* When true, the switch is checked (on).
*/
checked: PropTypes.bool,
/**
* Function called when state changes.
*/
onChange: PropTypes.func,
/**
* When true, the switch is disabled.
*/
disabled: PropTypes.bool,
/**
* When true, the switch is invalid.
*/
isInvalid: PropTypes.bool,
/**
* The appearance of the checkbox.
* The default theme only comes with a default style.
*/
appearance: PropTypes.string.isRequired,
/**
* When true, the switch has a check icon.
*/
hasCheckIcon: PropTypes.bool,
/**
* When true, the switch is true by default.
* This is for uncontrolled usage.
*/
defaultChecked: PropTypes.bool,
/**
* Theme provided by ThemeProvider.
*/
theme: PropTypes.object.isRequired
}
static defaultProps = {
height: 16,
onChange: () => {},
appearance: 'default',
hasCheckIcon: true,
disabled: false
}
constructor(props, context) {
super(props, context)
this.state = {
checked: props.checked || props.defaultChecked || false
}
}
handleChange = value => {
if (isControlled(this)) {
this.props.onChange(value)
} else {
this.setState(({ checked }) => ({
checked: !checked
}))
this.props.onChange(value)
}
}
render() {
const {
theme,
id,
name,
height,
checked: checkedProps,
onChange,
disabled,
appearance,
hasCheckIcon,
defaultChecked,
...props
} = this.props
const checked = isControlled(this) ? checkedProps : this.state.checked
const themedClassName = theme.getSwitchClassName(appearance)
return (
<Box
is="label"
display="block"
width={height * 2}
position="relative"
{...props}
>
<Box
is="input"
className={themedClassName}
id={id}
name={name}
type="checkbox"
checked={checked}
disabled={disabled}
defaultChecked={defaultChecked}
onChange={this.handleChange}
/>
<Box onClick={this.handleClick} height={height} width={height * 2}>
<Box
height={height}
width={height}
data-checked={checked}
className={iconContainerStyleClass}
>
{hasCheckIcon && <CheckIcon size={height / 2 - 3} />}
</Box>
<Box
width={height * 2}
display="flex"
data-checked={checked}
className={handleContainerStyleClass}
>
<Box flex={1} padding={2}>
<Box
width={height - 4}
height={height - 4}
className={handleStyleClass}
/>
</Box>
</Box>
</Box>
</Box>
)
}
}
export default withTheme(Switch)