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import { useLayoutEffect, useRef } from '@wordpress/element'; |
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import { clamp } from '@agent/lib/util'; |
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|
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export const useResizable = ({ |
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el, |
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open, |
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initialSize, |
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onResizeEnd, |
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minWidth = 250, |
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minHeight = 400, |
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maxWidth = 500, |
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maxHeight = window.innerHeight, |
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}) => { |
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const start = useRef({ x: 0, y: 0, width: 0, height: 0 }); |
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const pointerIdRef = useRef(null); |
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|
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useLayoutEffect(() => { |
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const bg = |
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document.getElementById('wpwrap') || |
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// TODO: is this on all block themes? |
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document.querySelector('.wp-site-blocks'); |
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if (!el || !open || !bg) return; |
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|
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el.style.width = `${initialSize.width}px`; |
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el.style.height = `${initialSize.height}px`; |
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|
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const handle = el.querySelector('[data-extendify-agent-resize]'); |
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if (!(handle instanceof HTMLElement)) return; |
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|
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const onPointerDown = (e) => { |
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e.preventDefault(); |
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e.stopPropagation(); |
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bg.style.pointerEvents = 'none'; |
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if (pointerIdRef.current !== null) { |
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return; |
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} |
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pointerIdRef.current = e.pointerId; |
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handle.setPointerCapture(e.pointerId); |
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start.current = { |
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x: e.clientX, |
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y: e.clientY, |
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width: el.offsetWidth, |
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height: el.offsetHeight, |
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}; |
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document.addEventListener('pointermove', onPointerMove); |
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document.addEventListener('pointerup', onPointerUp); |
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}; |
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|
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const onPointerMove = (e) => { |
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const rect = el.getBoundingClientRect(); |
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const maxAllowedWidth = Math.min(maxWidth, window.innerWidth - rect.left); |
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const maxAllowedHeight = Math.min( |
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maxHeight, |
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window.innerHeight - rect.top, |
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); |
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const width = clamp( |
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start.current.width + (e.clientX - start.current.x), |
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minWidth, |
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maxAllowedWidth, |
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); |
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const height = clamp( |
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start.current.height + (e.clientY - start.current.y), |
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minHeight, |
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maxAllowedHeight, |
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); |
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el.style.width = `${width}px`; |
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el.style.height = `${height}px`; |
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}; |
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|
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const onPointerUp = (e) => { |
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bg.style.pointerEvents = 'auto'; |
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if (pointerIdRef.current !== e.pointerId) { |
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return; |
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} |
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pointerIdRef.current = null; |
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handle.releasePointerCapture(e.pointerId); |
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document.removeEventListener('pointermove', onPointerMove); |
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document.removeEventListener('pointerup', onPointerUp); |
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|
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const rect = el.getBoundingClientRect(); |
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const maxAllowedWidth = Math.min(maxWidth, window.innerWidth - rect.left); |
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const maxAllowedHeight = Math.min( |
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maxHeight, |
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window.innerHeight - rect.top, |
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); |
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|
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const width = clamp( |
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start.current.width + (e.clientX - start.current.x), |
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minWidth, |
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maxAllowedWidth, |
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); |
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const height = clamp( |
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start.current.height + (e.clientY - start.current.y), |
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minHeight, |
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maxAllowedHeight, |
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); |
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onResizeEnd(width, height); |
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}; |
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|
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handle.addEventListener('pointerdown', onPointerDown); |
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|
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return () => { |
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handle.removeEventListener('pointerdown', onPointerDown); |
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document.removeEventListener('pointermove', onPointerMove); |
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document.removeEventListener('pointerup', onPointerUp); |
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bg.style.pointerEvents = 'auto'; |
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if (pointerIdRef.current !== null) { |
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handle.releasePointerCapture(pointerIdRef.current); |
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pointerIdRef.current = null; |
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} |
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}; |
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}, [ |
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el, |
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open, |
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initialSize.width, |
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initialSize.height, |
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onResizeEnd, |
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minWidth, |
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minHeight, |
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maxWidth, |
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maxHeight, |
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]); |
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}; |
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