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fix(web): ensure tooltips and menus don't cause scrollbar reflow

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This commit is contained in:
Paul Armstrong
2021-02-23 09:10:55 -08:00
committed by Blake Blackshear
parent 3c60aeeef9
commit 5043040530
3 changed files with 44 additions and 30 deletions
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48
web/src/components/RelativeModal.jsx
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@@ -2,7 +2,7 @@ import { h, Fragment } from 'preact';
import { createPortal } from 'preact/compat';
import { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'preact/hooks';
const WINDOW_PADDING = 10;
const WINDOW_PADDING = 20;
export default function RelativeModal({
className,
@@ -13,7 +13,7 @@ export default function RelativeModal({
relativeTo,
widthRelative = false,
}) {
const [position, setPosition] = useState({ top: -999, left: -999 });
const [position, setPosition] = useState({ top: -9999, left: -9999 });
const [show, setShow] = useState(false);
const portalRoot = portalRootID && document.getElementById(portalRootID);
const ref = useRef(null);
@@ -53,33 +53,43 @@ export default function RelativeModal({
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
const { width: menuWidth, height: menuHeight } = ref.current.getBoundingClientRect();
const { x, y, width: relativeWidth, height } = relativeTo.current.getBoundingClientRect();
const {
x: relativeToX,
y: relativeToY,
width: relativeToWidth,
// height: relativeToHeight,
} = relativeTo.current.getBoundingClientRect();
const width = widthRelative ? relativeWidth : menuWidth;
const _width = widthRelative ? relativeToWidth : menuWidth;
const width = _width * 1.1;
const left = relativeToX + window.scrollX;
const top = relativeToY + window.scrollY;
let newTop = top;
let newLeft = left;
let top = y + height;
let left = x;
// too far right
if (left + width >= windowWidth - WINDOW_PADDING) {
left = windowWidth - width - WINDOW_PADDING;
if (newLeft + width + WINDOW_PADDING >= windowWidth - WINDOW_PADDING) {
newLeft = windowWidth - width - WINDOW_PADDING;
}
// too far left
else if (left < WINDOW_PADDING) {
left = WINDOW_PADDING;
newLeft = WINDOW_PADDING;
}
// too close to bottom
if (top + menuHeight > windowHeight - WINDOW_PADDING) {
top = y - menuHeight;
if (top + menuHeight > windowHeight - WINDOW_PADDING + window.scrollY) {
newTop = relativeToY - menuHeight;
}
if (top <= WINDOW_PADDING) {
top = WINDOW_PADDING;
if (top <= WINDOW_PADDING + window.scrollY) {
newTop = WINDOW_PADDING;
}
const maxHeight = windowHeight - WINDOW_PADDING * 2 > menuHeight ? null : windowHeight - WINDOW_PADDING * 2;
const newPosition = { left: left + window.scrollX, top: top + window.scrollY, maxHeight };
const newPosition = { left: newLeft, top: newTop, maxHeight };
if (widthRelative) {
newPosition.width = relativeWidth;
newPosition.width = relativeToWidth;
}
setPosition(newPosition);
const focusable = ref.current.querySelector('[tabindex]');
@@ -89,7 +99,9 @@ export default function RelativeModal({
useEffect(() => {
if (position.top >= 0) {
setShow(true);
window.requestAnimationFrame(() => {
setShow(true);
});
} else {
setShow(false);
}
@@ -100,13 +112,13 @@ export default function RelativeModal({
<div data-testid="scrim" key="scrim" className="absolute inset-0 z-10" onClick={handleDismiss} />
<div
key="menu"
className={`z-10 bg-white dark:bg-gray-700 dark:text-white absolute shadow-lg rounded w-auto h-auto transition-all duration-75 transform scale-90 opacity-0 overflow-scroll ${
className={`z-10 bg-white dark:bg-gray-700 dark:text-white absolute shadow-lg rounded w-auto h-auto transition-transform transition-opacity duration-75 transform scale-90 opacity-0 overflow-x-hidden overflow-y-auto ${
show ? 'scale-100 opacity-100' : ''
} ${className}`}
onKeyDown={handleKeydown}
role={role}
ref={ref}
style={position.top >= 0 ? position : null}
style={position}
>
{children}
</div>