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AccordionItemHeading.tsx
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AccordionItemHeading.tsx
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import { default as classnames } from 'classnames';
import * as React from 'react';
import { UUID } from '../ItemContainer/ItemContainer';
type AccordionItemHeadingProps = React.HTMLAttributes<HTMLDivElement> & {
expandedClassName: string;
expanded: boolean;
uuid: UUID;
disabled: boolean;
setExpanded(uuid: UUID, expanded: boolean): void;
};
type AccordionItemHeadingState = {};
export default class AccordionItemHeading extends React.Component<
AccordionItemHeadingProps,
AccordionItemHeadingState
> {
handleClick = (): void => {
const { uuid, expanded, setExpanded } = this.props;
setExpanded(uuid, !expanded);
};
handleKeyPress = (evt: React.KeyboardEvent<HTMLDivElement>): void => {
if (evt.charCode === 13 || evt.charCode === 32) {
evt.preventDefault();
this.handleClick();
}
};
render(): JSX.Element {
const {
className,
expandedClassName,
setExpanded,
expanded,
uuid,
disabled,
...rest
} = this.props;
const id = `accordion__heading-${uuid}`;
const ariaControls = `accordion__panel-${uuid}`;
const headingClassName = classnames(className, {
[expandedClassName]: expandedClassName && expanded,
});
return (
<div
id={id}
aria-expanded={expanded}
aria-controls={ariaControls}
className={headingClassName}
aria-disabled={disabled}
onClick={this.handleClick}
role="button"
tabIndex={0}
onKeyPress={this.handleKeyPress}
{...rest}
/>
);
}
}