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import React from 'react';
import PropTypes from 'react-peek/prop-types';
import { lucidClassNames } from '../../util/style-helpers';
import { getFirst, omitProps, StandardProps } from '../../util/component-types';
import { buildModernHybridComponent } from '../../util/state-management';
import { IExpanderState } from '../Expander/Expander';
import ChevronIcon from '../Icon/ChevronIcon/ChevronIcon';
import Collapsible from '../Collapsible/Collapsible';
import Button from '../Button/Button';
import Panel from '../Panel/Panel';
import * as reducers from '../Expander/Expander.reducers';
const cx = lucidClassNames.bind('&-ExpanderPanel');
const { any, bool, func, node, object, string } = PropTypes;
export interface IExpanderPanelHeaderProps extends StandardProps {
description?: string;
}
const Header = (_props: IExpanderPanelHeaderProps): null => null;
Header.displayName = 'ExpanderPanel.Header';
Header.peek = {
description: `
Renders a \`<span>\` of content next to the \`ChevronIcon\` in the
\`Panel.Header\`
`,
};
Header.propName = 'Header';
Header.propTypes = {
children: node`
Used to identify the purpose of this switch to the user -- can be any
renderable content.
`,
};
export interface IExpanderPanelProps extends StandardProps {
/** Indicates that the component is in the "expanded" state when true and in
the "unexpanded" state when false. */
isExpanded: boolean;
/** Indicates that the component is in the "disabled" state when true and in
the "enabled" state when false. */
isDisabled: boolean;
/** Controls the presence of padding on the inner content. */
hasPadding: boolean;
onRest?: () => void;
onRestAppliedOnCollapse?: boolean;
/** Called when the user clicks on the component's header. */
onToggle: (
isExpanded: boolean,
{
event,
props,
}: {
event: React.MouseEvent;
props: IExpanderPanelProps;
}
) => void;
/** prop alternative to Header child component passed through to the
underlying ExpanderPanel */
Header?: React.ReactNode;
}
class ExpanderPanel extends React.Component<
IExpanderPanelProps,
IExpanderState
> {
static displayName = 'ExpanderPanel';
static Header = Header;
static propTypes = {
children: node`
Expandable content.
`,
className: string`
Appended to the component-specific class names set on the root element.
`,
isExpanded: bool`
Indicates that the component is in the "expanded" state when true and in
the "unexpanded" state when false.
`,
isDisabled: bool`
Indicates that the component is in the "disabled" state when true and in
the "enabled" state when false.
`,
hasPadding: bool`
Controls the presence of padding on the inner content.
`,
onToggle: func`
Called when the user clicks on the component's header.
Signature: \`(isExpanded, { event, props }) => {}\`
`,
style: object`
Passed through to the root element.
`,
onRest: func`Optional. The callback that fires when the animation comes to a rest.`,
onRestAppliedOnCollapse: bool`Applies on onRest callback when rest state is closed.`,
Header: any`
prop alternative to Header child component passed through to the
underlying ExpanderPanel
`,
};
static peek = {
description: `
This is a container that provides a toggle that controls when the
content is shown.
`,
categories: ['layout'],
madeFrom: ['ChevronIcon', 'Expander', 'Panel'],
};
static defaultProps = {
isExpanded: false,
onToggle: _.noop,
hasPadding: true,
isDisabled: false,
};
handleToggle = (event: React.MouseEvent) => {
if (!this.props.isDisabled) {
this.props.onToggle(!this.props.isExpanded, {
event,
props: this.props,
});
}
};
render() {
const {
children,
className,
isExpanded,
isDisabled,
hasPadding,
onRest,
onRestAppliedOnCollapse,
style,
...passThroughs
} = this.props;
const headerChildProps = _.get(
getFirst(this.props, ExpanderPanel.Header),
'props'
);
const cleanedOnRest =
onRestAppliedOnCollapse || isExpanded ? onRest : undefined;
return (
<Panel
{...omitProps(
passThroughs,
undefined,
_.keys(ExpanderPanel.propTypes),
false
)}
className={cx(
'&',
{
'&-is-collapsed': !isExpanded,
'&-is-disabled': isDisabled,
},
className
)}
style={style}
isGutterless={!hasPadding}
>
<Panel.Header className={cx('&-header')} onClick={this.handleToggle}>
<Button className={cx('&-icon')} kind='invisible' hasOnlyIcon={true}>
<ChevronIcon direction={isExpanded ? 'up' : 'down'} />
</Button>
<span {...headerChildProps} />
</Panel.Header>
<Collapsible
isExpanded={isExpanded}
className={cx('&-content', {
'&-content-is-expanded': isExpanded,
})}
onRest={cleanedOnRest}
>
<div className={cx('&-content-inner')}>{children}</div>
</Collapsible>
</Panel>
);
}
}
export default buildModernHybridComponent<
IExpanderPanelProps,
IExpanderState,
typeof ExpanderPanel
>(ExpanderPanel, { reducers });
export { ExpanderPanel as ExpanderPanelDumb };
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