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import clsx from 'clsx';
import { Children, ReactNode, useLayoutEffect, useState } from 'react';
import Breadcrumb, { Item as BreadcrumbItem } from 'calypso/components/breadcrumb';
import useDetectWindowBoundary from 'calypso/lib/detect-window-boundary';
type Props = {
showStickyContent?: boolean;
children: ReactNode;
className?: string;
useColumnAlignment?: boolean;
};
export function LayoutHeaderTitle( { children }: Props ) {
return <h1 className="hosting-dashboard-layout__header-title">{ children }</h1>;
}
export function LayoutHeaderSubtitle( { children }: Props ) {
return <h2 className="hosting-dashboard-layout__header-subtitle">{ children }</h2>;
}
export function LayoutHeaderActions( { children, className, useColumnAlignment }: Props ) {
const wrapperClass = clsx( className, 'hosting-dashboard-layout__header-actions', {
'is-column-flex-align': useColumnAlignment,
} );
return <div className={ wrapperClass }>{ children }</div>;
}
export function LayoutHeaderBreadcrumb( {
items,
hideOnMobile,
}: {
items: BreadcrumbItem[];
hideOnMobile?: boolean;
} ) {
return (
<div
className={ clsx( 'hosting-dashboard-layout__header-breadcrumb', {
'is-hidden-on-mobile': hideOnMobile,
} ) }
>
<Breadcrumb items={ items } />
</div>
);
}
export default function LayoutHeader( { showStickyContent, children, className }: Props ) {
const headerBreadcrumb = Children.toArray( children ).find(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
( child: any ) => child.type === LayoutHeaderBreadcrumb
);
const headerTitle = Children.toArray( children ).find(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
( child: any ) => child.type === LayoutHeaderTitle
);
const headerSubtitle = Children.toArray( children ).find(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
( child: any ) => child.type === LayoutHeaderSubtitle
);
const headerActions = Children.toArray( children ).find(
// eslint-disable-next-line @typescript-eslint/no-explicit-any
( child: any ) => child.type === LayoutHeaderActions
);
const [ divRef, hasCrossed ] = useDetectWindowBoundary();
const outerDivProps = divRef ? { ref: divRef as React.RefObject< HTMLDivElement > } : {};
const wrapperClass = clsx( className, 'hosting-dashboard-layout__viewport' );
const [ minHeaderHeight, setMinHeaderHeight ] = useState( 0 );
// To avoid shifting the layout when displaying sticky content, we will need to
// keep track of our Header height and set it as the minimum viewport height.
useLayoutEffect(
() => {
const headerRef = outerDivProps?.ref?.current;
const updateMinHeaderHeight = () => {
setMinHeaderHeight( headerRef?.clientHeight ?? 0 );
};
window.addEventListener( 'resize', updateMinHeaderHeight );
updateMinHeaderHeight();
return () => {
window.removeEventListener( 'resize', updateMinHeaderHeight );
};
},
// eslint-disable-next-line react-hooks/exhaustive-deps
[]
);
return (
<div
className={ wrapperClass }
{ ...outerDivProps }
style={ showStickyContent ? { minHeight: `${ minHeaderHeight }px` } : {} }
>
<div
className={ clsx( {
'hosting-dashboard-layout__sticky-header': showStickyContent && hasCrossed,
} ) }
>
<div
className={ clsx( 'hosting-dashboard-layout__header', {
'has-actions': !! headerActions,
} ) }
>
<div className="hosting-dashboard-layout__header-main">
{ headerBreadcrumb }
{ headerTitle }
{ headerSubtitle }
</div>
{ headerActions }
</div>
</div>
</div>
);
}
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