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import React from 'react';
import styled from 'styled-components';
import { colors } from '../../config.json';
interface IProps {
id?: string;
'aria-labelledby'?: string;
'aria-describedby'?: string;
isOn: boolean;
onChange?: (isOn: boolean) => void;
className?: string;
disabled?: boolean;
innerRef?: React.Ref<HTMLDivElement>;
}
const SwitchContainer = styled.div<{ disabled: boolean }>((props) => ({
position: 'relative',
width: '48px',
height: '30px',
borderColor: props.disabled ? colors.white20 : colors.white80,
borderWidth: '2px',
borderStyle: 'solid',
borderRadius: '16px',
padding: '2px',
}));
const Knob = styled.div<{ $isOn: boolean; disabled: boolean }>((props) => {
let backgroundColor = props.$isOn ? colors.green : colors.red;
if (props.disabled) {
backgroundColor = props.$isOn ? colors.green40 : colors.red40;
}
return {
position: 'absolute',
height: '22px',
borderRadius: '11px',
transition: 'all 200ms linear',
width: '22px',
backgroundColor,
// When enabled the button should be placed all the way to the right (100%) minus padding (2px)
// minus it's own width (22px).
left: props.$isOn ? 'calc(100% - 2px - 22px)' : '2px',
};
});
export default class Switch extends React.PureComponent<IProps> {
public render() {
return (
<SwitchContainer
ref={this.props.innerRef}
id={this.props.id}
role="checkbox"
aria-labelledby={this.props['aria-labelledby']}
aria-describedby={this.props['aria-describedby']}
aria-checked={this.props.isOn}
onClick={this.handleClick}
disabled={this.props.disabled ?? false}
aria-disabled={this.props.disabled ?? false}
tabIndex={-1}
className={this.props.className}>
<Knob disabled={this.props.disabled ?? false} $isOn={this.props.isOn} />
</SwitchContainer>
);
}
private handleClick = () => {
if (!this.props.disabled) {
this.props.onChange?.(!this.props.isOn);
}
};
}
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