96 lines
2.2 KiB
JavaScript
96 lines
2.2 KiB
JavaScript
import classNames from 'classnames';
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import { useCallback, useContext, useEffect, useLayoutEffect, useRef, useState } from 'react';
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import { useDrag } from 'react-use-gesture';
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import Store from '../store';
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import { SafeAreaContext } from './SafeArea';
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const Modal = ({ open, onClose, children }) => {
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const ref = useRef();
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const [dragging, setDragging] = useState(false);
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const [rect, setRect] = useState(null);
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const [y, setY] = useState(100000);
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const { top } = useContext(SafeAreaContext);
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const safeAreaTop = top;
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const _open = useCallback(() => {
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console.log('Opening modal!', safeAreaTop);
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setY(safeAreaTop);
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}, [safeAreaTop]);
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const _close = useCallback(() => {
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if (!rect) {
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return;
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}
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setY(rect.height + safeAreaTop);
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}, [safeAreaTop, rect]);
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// Get the layout rectangle for the modal
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useLayoutEffect(() => {
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const rect = ref.current?.getBoundingClientRect();
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setRect(rect);
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_close();
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}, [safeAreaTop]);
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// If open changes, open/close the modal
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useLayoutEffect(() => {
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if (open) {
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_open();
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} else {
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_close();
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}
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}, [rect, open, _open, _close]);
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const bind = useDrag(
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({ down, movement: [mx, my] }) => {
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setY(my < 0 ? safeAreaTop : my + safeAreaTop);
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if (down) {
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setDragging(true);
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} else {
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setDragging(false);
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}
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// If the drag ended, snap the menu back open or close it
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if (!down) {
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const mid = rect.height;
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if (y > mid / 2) {
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// Close
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_close();
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onClose();
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} else {
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// Re-open
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_open();
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}
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}
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},
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{
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axis: 'y',
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}
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);
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return (
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<div
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ref={ref}
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{...bind()}
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className={classNames(
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'fixed z-40 top-5 transform transform-gpu ranslate w-full h-full bg-white rounded-t-xl',
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{
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'ease-in-out duration-300 transition-transformation': !dragging,
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}
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)}
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style={{
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'--safe-area-top': `env(safe-area-inset-top, 0px)`,
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height: `calc(100% - env(safe-area-inset-top, 0px) - 1.25rem)`,
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touchAction: 'pan-y',
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transform: `translateY(${y}px)`,
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}}
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>
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{children}
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</div>
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);
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};
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export default Modal;
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