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react-components/src/higher-order-components/withCameraStateUrlParam.tsx
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/*! | ||
* Copyright 2023 Cognite AS | ||
*/ | ||
|
||
import { useEffect, type ReactElement, type FunctionComponent } from 'react'; | ||
import { useReveal } from '..'; | ||
import { Vector3 } from 'three'; | ||
import { type CameraState } from '@cognite/reveal'; | ||
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type CameraStateTransform = Omit<Required<CameraState>, 'rotation'>; | ||
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export function withCameraStateUrlParam<T extends object>( | ||
Component: FunctionComponent<T> | ||
): FunctionComponent<T> { | ||
return function CameraStateUrlParam(props: T): ReactElement { | ||
const reveal = useReveal(); | ||
const getCameraStateFromUrlParam = useGetCameraStateFromUrlParam(); | ||
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const setUrlParamOnCameraStop = (): void => { | ||
const currentUrlCameraState = getCameraStateFromUrlParam(); | ||
const currentCameraManagerState = reveal.cameraManager.getCameraState(); | ||
if ( | ||
currentUrlCameraState !== undefined && | ||
!hasCameraStateChanged(currentUrlCameraState, currentCameraManagerState) | ||
) { | ||
return; | ||
} | ||
const { position, target } = currentCameraManagerState; | ||
const url = new URL(window.location.toString()); | ||
url.searchParams.set('cameraPosition', `[${position.x},${position.y},${position.z}]`); | ||
url.searchParams.set('cameraTarget', `[${target.x},${target.y},${target.z}]`); | ||
window.history.pushState({}, '', url); | ||
}; | ||
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useEffect(() => { | ||
reveal.cameraManager.on('cameraStop', setUrlParamOnCameraStop); | ||
return () => { | ||
reveal.cameraManager.off('cameraStop', setUrlParamOnCameraStop); | ||
}; | ||
}, []); | ||
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return <Component {...props} />; | ||
}; | ||
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function hasCameraStateChanged( | ||
previous: CameraStateTransform, | ||
current: CameraStateTransform | ||
): boolean { | ||
const epsilon = 0.001; | ||
const { position: previousPosition, target: previousTarget } = previous; | ||
const { position: currentPosition, target: currentTarget } = current; | ||
return ( | ||
previousPosition.distanceToSquared(currentPosition) > epsilon || | ||
previousTarget.distanceToSquared(currentTarget) > epsilon | ||
); | ||
} | ||
} | ||
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export function useGetCameraStateFromUrlParam(): () => CameraStateTransform | undefined { | ||
return () => { | ||
const url = new URL(window.location.toString()); | ||
const position = url.searchParams.get('cameraPosition'); | ||
const target = url.searchParams.get('cameraTarget'); | ||
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if (position === null || target === null) { | ||
return; | ||
} | ||
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const parsedPosition = getParsedVector(position); | ||
const parsedTarget = getParsedVector(target); | ||
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if (parsedPosition === undefined || parsedTarget === undefined) { | ||
return; | ||
} | ||
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return { position: parsedPosition, target: parsedTarget }; | ||
}; | ||
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function getParsedVector(s: string): Vector3 | undefined { | ||
try { | ||
return new Vector3().fromArray(JSON.parse(s)); | ||
} catch (e) { | ||
return undefined; | ||
} | ||
} | ||
} |
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/*! | ||
* Copyright 2023 Cognite AS | ||
*/ | ||
import { useRevealKeepAlive } from '../components/RevealKeepAlive/RevealKeepAliveContext'; | ||
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export const useIsRevealInitialized = (): boolean => { | ||
const revealKeepAliveData = useRevealKeepAlive(); | ||
return revealKeepAliveData?.viewerRef.current !== undefined; | ||
}; |
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