Click-away listener
Detecta se um evento de clique ocorreu fora de um elemento. Ele ouve cliques que ocorrem em algum lugar no documento.
- 📦 992 B gzipped.
- ⚛️ Supports portals
A paleta com funções de estilo.
Exemplo
Por exemplo, se você precisar ocultar um menu quando as pessoas clicarem em qualquer outro lugar da sua página:
<ClickAwayListener onClickAway={handleClickAway}>
<Box sx={{ position: 'relative' }}>
<button type="button" onClick={handleClick}>
Open menu dropdown
</button>
{open ? (
<Box sx={styles}>
Click me, I will stay visible until you click outside.
</Box>
) : null}
</Box>
</ClickAwayListener>
Observe que o componente aceita apenas um elemento filho. You can find a more advanced demo on the Menu documentation section.
Portal
The following demo uses Portal
to render the dropdown into a new "subtree" outside of current DOM hierarchy.
<ClickAwayListener onClickAway={handleClickAway}>
<div>
<button type="button" onClick={handleClick}>
Open menu dropdown
</button>
{open ? (
<Portal>
<Box sx={styles}>
Click me, I will stay visible until you click outside.
</Box>
</Portal>
) : null}
</div>
</ClickAwayListener>
Eventos
Por padrão, o componente responde aos eventos de clique e de toque final (click + touch end). No entanto, você pode configurá-lo para responder aos eventos de mouse pressionado e toque inicial (mouse down + touch start).
<ClickAwayListener
mouseEvent="onMouseDown"
touchEvent="onTouchStart"
onClickAway={handleClickAway}
>
<Box sx={{ position: 'relative' }}>
<button type="button" onClick={handleClick}>
Open menu dropdown
</button>
{open ? (
<Box sx={styles}>
Click me, I will stay visible until you click outside.
</Box>
) : null}
</Box>
</ClickAwayListener>
Accessibility
By default <ClickAwayListener />
will add an onClick
handler to its children. This can result in e.g. screen readers announcing the children as clickable. However, the purpose of the onClick
handler is not to make children
interactive.
In order to prevent screen readers from marking non-interactive children as "clickable" add role="presentation"
to the immediate children:
<ClickAwayListener>
<div role="presentation">
<h1>non-interactive heading</h1>
</div>
</ClickAwayListener>
This is also required to fix a quirk in NVDA when using Firefox that prevents announcement of alert messages (see mui/material-ui#29080).
Unstyled
As the component does not have any styles, it also comes with the Base package.
import ClickAwayListener from '@mui/base/ClickAwayListener';