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Add up/down arrow key navigation to filter configuration listbox #67156

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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,39 @@ function ListBox( { view, filter, onChangeView }: SearchWidgetProps ) {
( f ) => f.field === filter.field
);
const currentValue = getCurrentValue( filter, currentFilter );

const handleKeyDown = ( event: React.KeyboardEvent< HTMLDivElement > ) => {
const currentIndex = filter.elements.findIndex(
( element ) =>
activeCompositeId ===
generateFilterElementCompositeItemId( baseId, element.value )
);

if ( event.key === 'ArrowDown' ) {
const nextIndex = Math.min(
filter.elements.length - 1,
currentIndex + 1
);

setActiveCompositeId(
generateFilterElementCompositeItemId(
baseId,
filter.elements[ nextIndex ].value
)
);
}

if ( event.key === 'ArrowUp' ) {
const prevIndex = Math.max( 0, currentIndex - 1 );
setActiveCompositeId(
generateFilterElementCompositeItemId(
baseId,
filter.elements[ prevIndex ].value
)
);
}
};

return (
<Composite
virtualFocus
Expand All @@ -124,6 +157,7 @@ function ListBox( { view, filter, onChangeView }: SearchWidgetProps ) {
);
}
} }
onKeyDown={ handleKeyDown }
render={ <Composite.Typeahead /> }
>
{ filter.elements.map( ( element ) => (
Expand Down
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