joplin/packages/app-desktop/gui/ResizableLayout/LayoutItemContainer.tsx

import * as React from 'react';
import { Resizable, ResizeCallback, ResizeStartCallback, Size } from 're-resizable';
import { LayoutItem } from './utils/types';
import { itemMinHeight, itemMinWidth, itemSize, LayoutItemSizes } from './utils/useLayoutItemSizes';

interface Props {
	item: LayoutItem;
	parent: LayoutItem|null;
	sizes: LayoutItemSizes;
	resizedItemMaxSize: Size|null;
	onResizeStart: ResizeStartCallback;
	onResize: ResizeCallback;
	onResizeStop: ResizeCallback;
	children: React.ReactNode;
	isLastChild: boolean;
	visible: boolean;
}

const LayoutItemContainer: React.FC<Props> = ({
	item, visible, parent, sizes, resizedItemMaxSize, onResize, onResizeStart, onResizeStop, children, isLastChild,
}) => {
	const style: React.CSSProperties = {
		display: visible ? 'flex' : 'none',
		flexDirection: item.direction,
	};

	const size: Size = itemSize(item, parent, sizes, true);

	const className = `resizableLayoutItem rli-${item.key}`;
	if (item.resizableRight || item.resizableBottom) {
		const enable = {
			top: false,
			right: !!item.resizableRight && !isLastChild,
			bottom: !!item.resizableBottom && !isLastChild,
			left: false,
			topRight: false,
			bottomRight: false,
			bottomLeft: false,
			topLeft: false,
		};

		return (
			<Resizable
				key={item.key}
				className={className}
				style={style}
				size={size}
				onResizeStart={onResizeStart}
				onResize={onResize}
				onResizeStop={onResizeStop}
				enable={enable}
				minWidth={'minWidth' in item ? item.minWidth : itemMinWidth}
				minHeight={'minHeight' in item ? item.minHeight : itemMinHeight}
				maxWidth={resizedItemMaxSize?.width}
				maxHeight={resizedItemMaxSize?.height}
			>
				{children}
			</Resizable>
		);
	} else {
		return (
			<div key={item.key} className={className} style={{ ...style, ...size }}>
				{children}
			</div>
		);
	}
};

export default LayoutItemContainer;