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| import _ from 'lodash';
import React from 'react';
import { lucidClassNames } from '../../util/style-helpers';
import { createClass, findTypes, omitProps } from '../../util/component-types';
import ExpanderPanel from '../ExpanderPanel/ExpanderPanel';
import * as reducers from '../Accordion/Accordion.reducers';
const cx = lucidClassNames.bind('&-Accordion');
const {
any,
func,
object,
number,
string,
} = React.PropTypes;
/**
* {"categories": ["layout"], "madeFrom": ["ExpanderPanel"]}
*
* This is a container that renders panels and controls its expansion/retraction.
*/
const Accordion = createClass({
displayName: 'Accordion',
components: {
Item: ExpanderPanel,
Header: ExpanderPanel.Header,
},
reducers,
propTypes: {
/**
* Appended to the component-specific class names set on the root
* element.
*/
className: string,
/**
* Indicates which item is expanded.
*/
selectedIndex: number,
/**
* Called when the user clicks on the component's header of an item.
*
* Signature: `(itemIndex, { event, props }) => {}`
*/
onSelect: func,
/**
* Passed through to the root element.
*/
style: object,
/**
* prop alternative to Header child component
* passed through to the underlying ExpanderPanel
*/
Header: any,
},
getDefaultProps() {
return {
onSelect: _.noop,
};
},
handleToggle(isExpanded, index, event) {
const selectedIndex = isExpanded ? index : null;
this.props.onSelect(selectedIndex, {
event,
props: this.props,
});
},
render() {
const {
style,
className,
selectedIndex,
...passThroughs,
} = this.props;
const itemChildProps = _.map(findTypes(this.props, Accordion.Item), 'props');
return (
<div
{...omitProps(passThroughs, Accordion)}
className={cx('&', className)}
style={style}>
{_.map(itemChildProps, (itemChildProp, index) => {
return <ExpanderPanel
key={index}
{...itemChildProp}
className={cx('&-Item', itemChildProp.className)}
onToggle={(isExpanded, { event }) => this.handleToggle(isExpanded, index, event)}
isExpanded={!itemChildProp.isDisabled && selectedIndex === index}/>;
})}
</div>
);
},
});
export default Accordion;
|