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| import _ from 'lodash';
import React from 'react';
import { lucidClassNames } from '../../util/style-helpers';
import { createClass, getFirst, omitProps } from '../../util/component-types';
import ChevronIcon from '../Icon/ChevronIcon/ChevronIcon';
import Collapsible from '../Collapsible/Collapsible';
import Panel from '../Panel/Panel';
import * as reducers from '../Expander/Expander.reducers';
const cx = lucidClassNames.bind('&-ExpanderPanel');
const {
any,
bool,
func,
node,
object,
string,
} = React.PropTypes;
/**
* {"categories": ["layout"], "madeFrom": ["ChevronIcon", "Expander", "Panel"]}
*
* This is a container that provides a toggle that controls when the content is
* shown.
*/
const ExpanderPanel = createClass({
displayName: 'ExpanderPanel',
components: {
/**
* Renders a `<span>` of content next to the `ChevronIcon` in the `Panel.Header`
*/
Header: createClass({
displayName: 'ExpanderPanel.Header',
propName: 'Header',
propTypes: {
/**
* Used to identify the purpose of this switch to the user -- can be
* any renderable content.
*/
children: node,
},
}),
},
reducers,
propTypes: {
/**
* Expandable content.
*/
children: node,
/**
* Appended to the component-specific class names set on the root
* element.
*/
className: string,
/**
* Indicates that the component is in the "expanded" state when true
* and in the "unexpanded" state when false.
*/
isExpanded: bool,
/**
* Indicates that the component is in the "disabled" state when true
* and in the "enabled" state when false.
*/
isDisabled: bool,
/**
* Called when the user clicks on the component's header.
*
* Signature: `(isExpanded, { event, props }) => {}`
*/
onToggle: 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 {
isExpanded: false,
onToggle: _.noop,
};
},
handleToggle(event) {
if(!this.props.isDisabled){
this.props.onToggle(!this.props.isExpanded, {
event,
props: this.props,
});
}
},
render() {
const {
children,
className,
isExpanded,
isDisabled,
style,
...passThroughs,
} = this.props;
const headerChildProps = _.get(getFirst(this.props, ExpanderPanel.Header), 'props');
return (
<Panel
{...omitProps(passThroughs, ExpanderPanel)}
className={cx('&', {
'&-is-collapsed': !isExpanded,
'&-is-disabled': isDisabled,
}, className)}
style={style}
>
<Panel.Header
className={cx('&-header')}
onClick={this.handleToggle}
>
<span className={cx('&-icon')}>
<ChevronIcon direction={isExpanded ? 'up' : 'down'} />
</span>
<span {...headerChildProps} />
</Panel.Header>
<Collapsible isExpanded={isExpanded} className={cx('&-content', {
'&-content-is-expanded': isExpanded,
})}>
<div className={cx('&-content-inner')}>
{children}
</div>
</Collapsible>
</Panel>
);
},
});
export default ExpanderPanel;
|