tldraw/components/canvas/canvas.tsx

86 lines
2 KiB
TypeScript

import styled from 'styles'
import { ErrorBoundary } from 'react-error-boundary'
import state, { useSelector } from 'state'
import React, { useRef } from 'react'
import useZoomEvents from 'hooks/useZoomEvents'
import useCamera from 'hooks/useCamera'
import Defs from './defs'
import Page from './page'
import Brush from './brush'
import Bounds from './bounds/bounding-box'
import BoundsBg from './bounds/bounds-bg'
import Handles from './bounds/handles'
import useCanvasEvents from 'hooks/useCanvasEvents'
import ContextMenu from './context-menu/context-menu'
export default function Canvas(): JSX.Element {
const rCanvas = useRef<SVGSVGElement>(null)
const rGroup = useRef<SVGGElement>(null)
useCamera(rGroup)
useZoomEvents()
const events = useCanvasEvents(rCanvas)
const isReady = useSelector((s) => s.isIn('ready'))
return (
<ContextMenu>
<MainSVG ref={rCanvas} {...events}>
<ErrorBoundary
FallbackComponent={ErrorFallback}
onReset={() => {
// reset the state of your app so the error doesn't happen again
}}
>
<Defs />
{isReady && (
<g ref={rGroup} id="shapes">
<BoundsBg />
<Page />
<Bounds />
<Handles />
<Brush />
</g>
)}
</ErrorBoundary>
</MainSVG>
</ContextMenu>
)
}
const MainSVG = styled('svg', {
position: 'fixed',
overflow: 'hidden',
top: 0,
left: 0,
width: '100%',
height: '100%',
touchAction: 'none',
zIndex: 100,
backgroundColor: '$canvas',
pointerEvents: 'all',
// cursor: 'none',
'& *': {
userSelect: 'none',
},
})
function ErrorFallback({ error, resetErrorBoundary }) {
React.useEffect(() => {
console.error(error)
const copy = 'Sorry, something went wrong. Clear canvas and continue?'
if (window.confirm(copy)) {
state.send('CLEARED_PAGE')
resetErrorBoundary()
}
}, [])
return (
<g>
<text>Oops</text>
</g>
)
}