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| import _ from 'lodash';
import React from 'react';
import PropTypes from 'prop-types';
import { lucidClassNames } from '../../util/style-helpers';
import { createClass, omitProps } from '../../util/component-types';
const cx = lucidClassNames.bind('&-RadioButton');
const { bool, func, object, string } = PropTypes;
/**
* {"categories": ["controls", "toggles"]}
*
* This is a toggle -- a component that is in one of two particular states at
* any given moment in time -- that features a custom visualization of the
* native radio button control to reflect its current state.
*
* The radio button is different from a standard toggle in that when it is in
* the selected state user events do not cause it to toggle to the unselected
* state so the `onSelect` function is called only when `isSelected` is false.
*
* It uses a hidden native radio button control under the hood but leverages
* other HTML elements to visualize its state.
*
* Any props that are not explicitly defined in `propTypes` are spread onto the
* native control.
*/
const RadioButton = createClass({
displayName: 'RadioButton',
propTypes: {
/**
* Appended to the component-specific class names set on the root
* element.
*/
className: string,
/**
* Indicates whether the component should appear and act disabled by
* having a "greyed out" palette and ignoring user interactions.
*/
isDisabled: bool,
/**
* Indicates that the component is in the "selected" state when true
* and in the "unselected" state when false.
*/
isSelected: bool,
/**
* Called when the user clicks on the component or when they press the
* space key while the component is in focus, and only called when the
* component is in the unselected state.
*
* Signature: `(true, { event, props }) => {}`
*/
onSelect: func,
/**
* Passed through to the root element.
*/
style: object,
},
getDefaultProps() {
return {
isDisabled: false,
isSelected: false,
onSelect: _.noop,
};
},
componentDidMount() {
this.nativeElement = this.refs.nativeElement;
},
handleSpanClick(e) {
e.preventDefault();
},
render() {
const {
className,
isDisabled,
isSelected,
style,
...passThroughs
} = this.props;
return (
<span
className={cx(
'&',
{
'&-is-disabled': isDisabled,
'&-is-selected': isSelected,
},
className
)}
onClick={this.handleClicked}
style={style}
>
<input
onChange={_.noop}
{...omitProps(passThroughs, RadioButton, ['children', 'callbackId'])}
checked={isSelected}
className={cx('&-native')}
disabled={isDisabled}
ref="nativeElement"
type="radio"
/>
<span
onClick={this.handleSpanClick}
className={cx('&-visualization-glow')}
/>
<span
onClick={this.handleSpanClick}
className={cx('&-visualization-container')}
/>
<span
onClick={this.handleSpanClick}
className={cx('&-visualization-dot')}
/>
</span>
);
},
handleClicked(event) {
const { isDisabled, isSelected, onSelect } = this.props;
if (!isDisabled && !isSelected) {
onSelect(true, { event, props: this.props });
this.nativeElement.focus();
}
},
});
export default RadioButton;
|