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import { useCanvasManager } from 'features/controlLayers/contexts/CanvasManagerProviderGate';
import { useEntityAdapterSafe } from 'features/controlLayers/contexts/EntityAdapterContext';
import { useCanvasIsBusy } from 'features/controlLayers/hooks/useCanvasIsBusy';
import { useEntityIsEmpty } from 'features/controlLayers/hooks/useEntityIsEmpty';
import { useEntityIsLocked } from 'features/controlLayers/hooks/useEntityIsLocked';
import type { CanvasEntityIdentifier } from 'features/controlLayers/store/types';
import { isTransformableEntityIdentifier } from 'features/controlLayers/store/types';
import { useImageViewer } from 'features/gallery/components/ImageViewer/useImageViewer';
import { useCallback, useMemo } from 'react';
export const useEntityTransform = (entityIdentifier: CanvasEntityIdentifier | null) => {
const canvasManager = useCanvasManager();
const adapter = useEntityAdapterSafe(entityIdentifier);
const imageViewer = useImageViewer();
const isBusy = useCanvasIsBusy();
const isLocked = useEntityIsLocked(entityIdentifier);
const isEmpty = useEntityIsEmpty(entityIdentifier);
const isDisabled = useMemo(() => {
if (!entityIdentifier) {
return true;
}
if (!isTransformableEntityIdentifier(entityIdentifier)) {
return true;
}
if (!adapter) {
return true;
}
if (isBusy) {
return true;
}
if (isLocked) {
return true;
}
if (isEmpty) {
return true;
}
return false;
}, [entityIdentifier, adapter, isBusy, isLocked, isEmpty]);
const start = useCallback(async () => {
if (isDisabled) {
return;
}
if (!entityIdentifier) {
return;
}
if (!isTransformableEntityIdentifier(entityIdentifier)) {
return;
}
const adapter = canvasManager.getAdapter(entityIdentifier);
if (!adapter) {
return;
}
imageViewer.close();
await adapter.transformer.startTransform();
}, [isDisabled, entityIdentifier, canvasManager, imageViewer]);
const fitToBbox = useCallback(async () => {
if (isDisabled) {
return;
}
if (!entityIdentifier) {
return;
}
if (!isTransformableEntityIdentifier(entityIdentifier)) {
return;
}
const adapter = canvasManager.getAdapter(entityIdentifier);
if (!adapter) {
return;
}
imageViewer.close();
await adapter.transformer.startTransform({ silent: true });
adapter.transformer.fitToBboxContain();
await adapter.transformer.applyTransform();
}, [canvasManager, entityIdentifier, imageViewer, isDisabled]);
return { isDisabled, start, fitToBbox } as const;
};
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