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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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46
web/src/components/RelativeModal.jsx
View File

@ -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) {
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>

16
web/src/components/Tooltip.jsx
View File

@ -1,15 +1,15 @@
import { h } from 'preact';
import { createPortal } from 'preact/compat';
import { useEffect, useRef, useState } from 'preact/hooks';
import { useLayoutEffect, useRef, useState } from 'preact/hooks';
const TIP_SPACE = 20;
export default function Tooltip({ relativeTo, text }) {
const [position, setPosition] = useState({ top: -Infinity, left: -Infinity });
const [position, setPosition] = useState({ top: -9999, left: -9999 });
const portalRoot = document.getElementById('tooltips');
const ref = useRef();
useEffect(() => {
useLayoutEffect(() => {
if (ref && ref.current && relativeTo && relativeTo.current) {
const windowWidth = window.innerWidth;
const {
@ -18,7 +18,9 @@ export default function Tooltip({ relativeTo, text }) {
width: relativeToWidth,
height: relativeToHeight,
} = relativeTo.current.getBoundingClientRect();
const { width: tipWidth, height: tipHeight } = ref.current.getBoundingClientRect();
const { width: _tipWidth, height: _tipHeight } = ref.current.getBoundingClientRect();
const tipWidth = _tipWidth * 1.1;
const tipHeight = _tipHeight * 1.1;
const left = relativeToX + Math.round(relativeToWidth / 2) + window.scrollX;
const top = relativeToY + Math.round(relativeToHeight / 2) + window.scrollY;
@ -47,11 +49,11 @@ export default function Tooltip({ relativeTo, text }) {
const tooltip = (
<div
role="tooltip"
className={`shadow max-w-lg absolute pointer-events-none bg-gray-900 dark:bg-gray-200 bg-opacity-80 rounded px-2 py-1 transition-opacity duration-200 opacity-0 text-gray-100 dark:text-gray-900 text-sm ${
position.top >= 0 ? 'opacity-100' : ''
className={`shadow max-w-lg absolute pointer-events-none bg-gray-900 dark:bg-gray-200 bg-opacity-80 rounded px-2 py-1 transition-transform transition-opacity duration-75 transform scale-90 opacity-0 text-gray-100 dark:text-gray-900 text-sm ${
position.top >= 0 ? 'opacity-100 scale-100' : ''
}`}
ref={ref}
style={position.top >= 0 ? position : null}
style={position}
>
{text}
</div>

10
web/src/components/__tests__/Toolltip.test.jsx
View File

@ -26,8 +26,8 @@ describe('Tooltip', () => {
const tooltip = await screen.findByRole('tooltip');
const style = window.getComputedStyle(tooltip);
expect(style.left).toEqual('105px');
expect(style.top).toEqual('70px');
expect(style.left).toEqual('103px');
expect(style.top).toEqual('68.5px');
});
test('if too far right, renders to the left', async () => {
@ -54,7 +54,7 @@ describe('Tooltip', () => {
const tooltip = await screen.findByRole('tooltip');
const style = window.getComputedStyle(tooltip);
expect(style.left).toEqual('942px');
expect(style.left).toEqual('937px');
expect(style.top).toEqual('97px');
});
@ -109,7 +109,7 @@ describe('Tooltip', () => {
const tooltip = await screen.findByRole('tooltip');
const style = window.getComputedStyle(tooltip);
expect(style.left).toEqual('87px');
expect(style.top).toEqual('160px');
expect(style.left).toEqual('84px');
expect(style.top).toEqual('158.5px');
});
});