21 lines
946 B
JavaScript
21 lines
946 B
JavaScript
import { Virtualization } from '@mui/x-virtualizer';
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import { PinnedColumnPosition } from "../../internals/constants.mjs";
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export function usePinnedScrollOffset(apiRef, pinnedPosition) {
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const store = apiRef.current.virtualizer.store;
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// SAFETY: For performance reasons, we only add store selectors for pinned cells in controlled
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// mode. Both pinnedPosition and layoutMode are stable (never change for a given instance),
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// so the hook call order is consistent across renders.
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if (pinnedPosition !== undefined) {
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const layoutMode = store.use(Virtualization.selectors.layoutMode);
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if (layoutMode === 'controlled') {
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if (pinnedPosition === PinnedColumnPosition.LEFT) {
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return store.use(Virtualization.selectors.pinnedLeftOffsetSelector);
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}
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if (pinnedPosition === PinnedColumnPosition.RIGHT) {
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return store.use(Virtualization.selectors.pinnedRightOffsetSelector);
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}
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}
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}
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return 0;
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} |