kopia lustrzana https://github.com/Tldraw/Tldraw
28 wiersze
813 B
TypeScript
28 wiersze
813 B
TypeScript
import { useSelector } from 'state'
|
|
import { deepCompareArrays, getPage } from 'utils/utils'
|
|
import Shape from './shape'
|
|
|
|
/*
|
|
On each state change, compare node ids of all shapes
|
|
on the current page. Kind of expensive but only happens
|
|
here; and still cheaper than any other pattern I've found.
|
|
*/
|
|
|
|
export default function Page() {
|
|
const currentPageShapeIds = useSelector(({ data }) => {
|
|
return Object.values(getPage(data).shapes)
|
|
.sort((a, b) => a.childIndex - b.childIndex)
|
|
.map((shape) => shape.id)
|
|
}, deepCompareArrays)
|
|
|
|
const isSelecting = useSelector((s) => s.isIn('selecting'))
|
|
|
|
return (
|
|
<g pointerEvents={isSelecting ? 'all' : 'none'}>
|
|
{currentPageShapeIds.map((shapeId) => (
|
|
<Shape key={shapeId} id={shapeId} isSelecting={isSelecting} />
|
|
))}
|
|
</g>
|
|
)
|
|
}
|