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refactor(web): menu positioning
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paularmstrong authored and blakeblackshear committed Feb 20, 2021
1 parent 19bd5ac commit f00628f
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Showing 4 changed files with 32 additions and 23 deletions.
2 changes: 1 addition & 1 deletion web/src/components/AppBar.jsx
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,7 @@ export default function AppBar({ title }) {
</div>
<LinkedLogo />
<div className="flex-grow-1 flex justify-end w-full">
<div ref={moreRef}>
<div className="w-auto" ref={moreRef}>
<Button color="black" className="rounded-full w-12 h-12" onClick={handleShowMenu} type="text">
<MoreIcon />
</Button>
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7 changes: 4 additions & 3 deletions web/src/components/Menu.jsx
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ import { h } from 'preact';
import RelativeModal from './RelativeModal';
import { useCallback, useEffect } from 'preact/hooks';

export default function Menu({ className, children, onDismiss, relativeTo }) {
export default function Menu({ className, children, onDismiss, relativeTo, widthRelative }) {
return relativeTo ? (
<RelativeModal
children={children}
Expand All @@ -11,6 +11,7 @@ export default function Menu({ className, children, onDismiss, relativeTo }) {
onDismiss={onDismiss}
portalRootID="menus"
relativeTo={relativeTo}
widthRelative={widthRelative}
/>
) : null;
}
Expand Down Expand Up @@ -38,11 +39,11 @@ export function MenuItem({ focus, icon: Icon, label, onSelect, value }) {
role="option"
>
{Icon ? (
<div className="w-6 h-6 self-center mr-4 text-gray-500">
<div className="w-6 h-6 self-center mr-4 text-gray-500 flex-shrink-0">
<Icon />
</div>
) : null}
{label}
<div class="whitespace-nowrap">{label}</div>
</div>
);
}
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44 changes: 26 additions & 18 deletions web/src/components/RelativeModal.jsx
Original file line number Diff line number Diff line change
Expand Up @@ -2,10 +2,18 @@ import { h, Fragment } from 'preact';
import { createPortal } from 'preact/compat';
import { useCallback, useEffect, useLayoutEffect, useRef, useState } from 'preact/hooks';

const WINDOW_PADDING = 20;
const WINDOW_PADDING = 10;

export default function RelativeModal({ className, role = 'dialog', children, onDismiss, portalRootID, relativeTo }) {
const [position, setPosition] = useState({ top: -999, left: 0, width: 0 });
export default function RelativeModal({
className,
role = 'dialog',
children,
onDismiss,
portalRootID,
relativeTo,
widthRelative = false,
}) {
const [position, setPosition] = useState({ top: -999, left: -999 });
const [show, setShow] = useState(false);
const portalRoot = portalRootID && document.getElementById(portalRootID);
const ref = useRef(null);
Expand Down Expand Up @@ -44,12 +52,15 @@ export default function RelativeModal({ className, role = 'dialog', children, on
const windowWidth = window.innerWidth;
const windowHeight = window.innerHeight;
const { width: menuWidth, height: menuHeight } = ref.current.getBoundingClientRect();
const { x, y, width, height } = relativeTo.current.getBoundingClientRect();
const { x, y, width: relativeWidth, height } = relativeTo.current.getBoundingClientRect();

const width = widthRelative ? relativeWidth : menuWidth;

let top = y + height;
let left = x;
// too far right
if (left + menuWidth >= windowWidth - WINDOW_PADDING) {
left = windowWidth - menuWidth - WINDOW_PADDING;
if (left + width >= windowWidth - WINDOW_PADDING) {
left = windowWidth - width - WINDOW_PADDING;
}
// too far left
else if (left < WINDOW_PADDING) {
Expand All @@ -65,20 +76,23 @@ export default function RelativeModal({ className, role = 'dialog', children, on
}

const maxHeight = windowHeight - WINDOW_PADDING * 2 > menuHeight ? null : windowHeight - WINDOW_PADDING * 2;
setPosition({ left, top: top + window.scrollY, width, height: maxHeight });
const newPosition = { left: left + window.scrollX, top: top + window.scrollY, maxHeight };
if (widthRelative) {
newPosition.width = relativeWidth;
}
setPosition(newPosition);
const focusable = ref.current.querySelector('[tabindex]');
focusable && console.log('focusing');
focusable && focusable.focus();
}
}, [relativeTo && relativeTo.current, ref && ref.current]);
}, [relativeTo && relativeTo.current, ref && ref.current, widthRelative]);

useEffect(() => {
if (position.width) {
if (position.top >= 0) {
setShow(true);
} else {
setShow(false);
}
}, [show, position.width, ref.current]);
}, [show, position.top, ref.current]);

const menu = (
<Fragment>
Expand All @@ -91,13 +105,7 @@ export default function RelativeModal({ className, role = 'dialog', children, on
onkeydown={handleKeydown}
role={role}
ref={ref}
style={
position.width > 0
? `min-width: ${position.width}px; ${position.height ? `max-height: ${position.height}px;` : ''} top: ${
position.top
}px; left: ${position.left}px`
: ''
}
style={position.top >= 0 ? position : null}
>
{children}
</div>
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2 changes: 1 addition & 1 deletion web/src/components/Select.jsx
Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,7 @@ export default function Select({ label, onChange, options: inputOptions = [], se
value={options[selected]?.label}
/>
{showMenu ? (
<Menu className="rounded-t-none" onDismiss={handleDismiss} relativeTo={ref}>
<Menu className="rounded-t-none" onDismiss={handleDismiss} relativeTo={ref} widthRelative>
{options.map(({ value, label }, i) => (
<MenuItem key={value} label={label} focus={focused === i} onSelect={handleSelect} value={value} />
))}
Expand Down

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