@mui/x-data-grid
Version:
The community edition of the data grid component (MUI X).
596 lines (589 loc) • 26.3 kB
JavaScript
import _extends from "@babel/runtime/helpers/esm/extends";
import _objectWithoutPropertiesLoose from "@babel/runtime/helpers/esm/objectWithoutPropertiesLoose";
const _excluded = ["style"],
_excluded2 = ["style"];
import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { unstable_useForkRef as useForkRef, unstable_useEnhancedEffect as useEnhancedEffect, unstable_useEventCallback as useEventCallback } from '@mui/utils';
import { useTheme } from '@mui/material/styles';
import { defaultMemoize } from 'reselect';
import { useGridPrivateApiContext } from '../../utils/useGridPrivateApiContext';
import { useGridRootProps } from '../../utils/useGridRootProps';
import { useGridSelector } from '../../utils/useGridSelector';
import { gridVisibleColumnDefinitionsSelector, gridColumnsTotalWidthSelector, gridColumnPositionsSelector } from '../columns/gridColumnsSelector';
import { gridFocusCellSelector, gridTabIndexCellSelector } from '../focus/gridFocusStateSelector';
import { useGridVisibleRows } from '../../utils/useGridVisibleRows';
import { useGridApiEventHandler } from '../../utils/useGridApiEventHandler';
import { clamp } from '../../../utils/utils';
import { selectedIdsLookupSelector } from '../rowSelection/gridRowSelectionSelector';
import { gridRowsMetaSelector } from '../rows/gridRowsMetaSelector';
import { getFirstNonSpannedColumnToRender } from '../columns/gridColumnsUtils';
import { getMinimalContentHeight } from '../rows/gridRowsUtils';
import { gridVirtualizationEnabledSelector, gridVirtualizationColumnEnabledSelector } from './gridVirtualizationSelectors';
// Uses binary search to avoid looping through all possible positions
import { jsx as _jsx } from "react/jsx-runtime";
export function binarySearch(offset, positions, sliceStart = 0, sliceEnd = positions.length) {
if (positions.length <= 0) {
return -1;
}
if (sliceStart >= sliceEnd) {
return sliceStart;
}
const pivot = sliceStart + Math.floor((sliceEnd - sliceStart) / 2);
const itemOffset = positions[pivot];
return offset <= itemOffset ? binarySearch(offset, positions, sliceStart, pivot) : binarySearch(offset, positions, pivot + 1, sliceEnd);
}
function exponentialSearch(offset, positions, index) {
let interval = 1;
while (index < positions.length && Math.abs(positions[index]) < offset) {
index += interval;
interval *= 2;
}
return binarySearch(offset, positions, Math.floor(index / 2), Math.min(index, positions.length));
}
export const getRenderableIndexes = ({
firstIndex,
lastIndex,
buffer,
minFirstIndex,
maxLastIndex
}) => {
return [clamp(firstIndex - buffer, minFirstIndex, maxLastIndex), clamp(lastIndex + buffer, minFirstIndex, maxLastIndex)];
};
export const areRenderContextsEqual = (context1, context2) => {
if (context1 === context2) {
return true;
}
return context1.firstRowIndex === context2.firstRowIndex && context1.lastRowIndex === context2.lastRowIndex && context1.firstColumnIndex === context2.firstColumnIndex && context1.lastColumnIndex === context2.lastColumnIndex;
};
// The `maxSize` is 3 so that reselect caches the `renderedColumns` values for the pinned left,
// unpinned, and pinned right sections.
const MEMOIZE_OPTIONS = {
maxSize: 3
};
export const useGridVirtualScroller = props => {
const apiRef = useGridPrivateApiContext();
const rootProps = useGridRootProps();
const visibleColumns = useGridSelector(apiRef, gridVisibleColumnDefinitionsSelector);
const enabled = useGridSelector(apiRef, gridVirtualizationEnabledSelector);
const enabledForColumns = useGridSelector(apiRef, gridVirtualizationColumnEnabledSelector);
const {
ref,
onRenderZonePositioning,
renderZoneMinColumnIndex = 0,
renderZoneMaxColumnIndex = visibleColumns.length,
getRowProps
} = props;
const theme = useTheme();
const columnPositions = useGridSelector(apiRef, gridColumnPositionsSelector);
const columnsTotalWidth = useGridSelector(apiRef, gridColumnsTotalWidthSelector);
const cellFocus = useGridSelector(apiRef, gridFocusCellSelector);
const cellTabIndex = useGridSelector(apiRef, gridTabIndexCellSelector);
const rowsMeta = useGridSelector(apiRef, gridRowsMetaSelector);
const selectedRowsLookup = useGridSelector(apiRef, selectedIdsLookupSelector);
const currentPage = useGridVisibleRows(apiRef, rootProps);
const renderZoneRef = React.useRef(null);
const rootRef = React.useRef(null);
const handleRef = useForkRef(ref, rootRef);
const [renderContext, setRenderContextState] = React.useState(null);
const prevRenderContext = React.useRef(renderContext);
const scrollPosition = React.useRef({
top: 0,
left: 0
});
const [containerDimensions, setContainerDimensions] = React.useState({
width: null,
height: null
});
const prevTotalWidth = React.useRef(columnsTotalWidth);
// Each visible row (not to be confused with a filter result) is composed of a central row element
// and up to two additional row elements for pinned columns (left and right).
// When hovering any of these elements, the :hover styles are applied only to the row element that
// was actually hovered, not its additional siblings. To make it look like a contiguous row,
// we add/remove the .Mui-hovered class to all of the row elements inside one visible row.
const [hoveredRowId, setHoveredRowId] = React.useState(null);
const rowStyleCache = React.useRef(Object.create(null));
const prevGetRowProps = React.useRef();
const prevRootRowStyle = React.useRef();
const getRenderedColumnsRef = React.useRef(defaultMemoize((columns, firstColumnToRender, lastColumnToRender, minFirstColumn, maxLastColumn, indexOfColumnWithFocusedCell) => {
// If the selected column is not within the current range of columns being displayed,
// we need to render it at either the left or right of the columns,
// depending on whether it is above or below the range.
let focusedCellColumnIndexNotInRange;
const renderedColumns = columns.slice(firstColumnToRender, lastColumnToRender);
if (indexOfColumnWithFocusedCell > -1) {
// check if it is not on the left pinned column.
if (firstColumnToRender > indexOfColumnWithFocusedCell && indexOfColumnWithFocusedCell >= minFirstColumn) {
focusedCellColumnIndexNotInRange = indexOfColumnWithFocusedCell;
}
// check if it is not on the right pinned column.
else if (lastColumnToRender < indexOfColumnWithFocusedCell && indexOfColumnWithFocusedCell < maxLastColumn) {
focusedCellColumnIndexNotInRange = indexOfColumnWithFocusedCell;
}
}
return {
focusedCellColumnIndexNotInRange,
renderedColumns
};
}, MEMOIZE_OPTIONS));
const indexOfColumnWithFocusedCell = React.useMemo(() => {
if (cellFocus !== null) {
return visibleColumns.findIndex(column => column.field === cellFocus.field);
}
return -1;
}, [cellFocus, visibleColumns]);
const getNearestIndexToRender = React.useCallback(offset => {
const lastMeasuredIndexRelativeToAllRows = apiRef.current.getLastMeasuredRowIndex();
let allRowsMeasured = lastMeasuredIndexRelativeToAllRows === Infinity;
if (currentPage.range?.lastRowIndex && !allRowsMeasured) {
// Check if all rows in this page are already measured
allRowsMeasured = lastMeasuredIndexRelativeToAllRows >= currentPage.range.lastRowIndex;
}
const lastMeasuredIndexRelativeToCurrentPage = clamp(lastMeasuredIndexRelativeToAllRows - (currentPage.range?.firstRowIndex || 0), 0, rowsMeta.positions.length);
if (allRowsMeasured || rowsMeta.positions[lastMeasuredIndexRelativeToCurrentPage] >= offset) {
// If all rows were measured (when no row has "auto" as height) or all rows before the offset
// were measured, then use a binary search because it's faster.
return binarySearch(offset, rowsMeta.positions);
}
// Otherwise, use an exponential search.
// If rows have "auto" as height, their positions will be based on estimated heights.
// In this case, we can skip several steps until we find a position higher than the offset.
// Inspired by https://github.com/bvaughn/react-virtualized/blob/master/source/Grid/utils/CellSizeAndPositionManager.js
return exponentialSearch(offset, rowsMeta.positions, lastMeasuredIndexRelativeToCurrentPage);
}, [apiRef, currentPage.range?.firstRowIndex, currentPage.range?.lastRowIndex, rowsMeta.positions]);
const computeRenderContext = React.useCallback(() => {
if (!enabled) {
return {
firstRowIndex: 0,
lastRowIndex: currentPage.rows.length,
firstColumnIndex: 0,
lastColumnIndex: visibleColumns.length
};
}
const {
top,
left
} = scrollPosition.current;
// Clamp the value because the search may return an index out of bounds.
// In the last index, this is not needed because Array.slice doesn't include it.
const firstRowIndex = Math.min(getNearestIndexToRender(top), rowsMeta.positions.length - 1);
const lastRowIndex = rootProps.autoHeight ? firstRowIndex + currentPage.rows.length : getNearestIndexToRender(top + containerDimensions.height);
let firstColumnIndex = 0;
let lastColumnIndex = columnPositions.length;
if (enabledForColumns) {
let hasRowWithAutoHeight = false;
const [firstRowToRender, lastRowToRender] = getRenderableIndexes({
firstIndex: firstRowIndex,
lastIndex: lastRowIndex,
minFirstIndex: 0,
maxLastIndex: currentPage.rows.length,
buffer: rootProps.rowBuffer
});
for (let i = firstRowToRender; i < lastRowToRender && !hasRowWithAutoHeight; i += 1) {
const row = currentPage.rows[i];
hasRowWithAutoHeight = apiRef.current.rowHasAutoHeight(row.id);
}
if (!hasRowWithAutoHeight) {
firstColumnIndex = binarySearch(Math.abs(left), columnPositions);
lastColumnIndex = binarySearch(Math.abs(left) + containerDimensions.width, columnPositions);
}
}
return {
firstRowIndex,
lastRowIndex,
firstColumnIndex,
lastColumnIndex
};
}, [enabled, enabledForColumns, getNearestIndexToRender, rowsMeta.positions.length, rootProps.autoHeight, rootProps.rowBuffer, currentPage.rows, columnPositions, visibleColumns.length, apiRef, containerDimensions]);
useEnhancedEffect(() => {
if (enabled) {
// TODO a scroll reset should not be necessary
rootRef.current.scrollLeft = 0;
rootRef.current.scrollTop = 0;
} else {
renderZoneRef.current.style.transform = `translate3d(0px, 0px, 0px)`;
}
}, [enabled]);
useEnhancedEffect(() => {
setContainerDimensions({
width: rootRef.current.clientWidth,
height: rootRef.current.clientHeight
});
}, [rowsMeta.currentPageTotalHeight]);
const handleResize = React.useCallback(() => {
if (rootRef.current) {
setContainerDimensions({
width: rootRef.current.clientWidth,
height: rootRef.current.clientHeight
});
}
}, []);
useGridApiEventHandler(apiRef, 'debouncedResize', handleResize);
const updateRenderZonePosition = React.useCallback(nextRenderContext => {
const [firstRowToRender, lastRowToRender] = getRenderableIndexes({
firstIndex: nextRenderContext.firstRowIndex,
lastIndex: nextRenderContext.lastRowIndex,
minFirstIndex: 0,
maxLastIndex: currentPage.rows.length,
buffer: rootProps.rowBuffer
});
const [initialFirstColumnToRender] = getRenderableIndexes({
firstIndex: nextRenderContext.firstColumnIndex,
lastIndex: nextRenderContext.lastColumnIndex,
minFirstIndex: renderZoneMinColumnIndex,
maxLastIndex: renderZoneMaxColumnIndex,
buffer: rootProps.columnBuffer
});
const firstColumnToRender = getFirstNonSpannedColumnToRender({
firstColumnToRender: initialFirstColumnToRender,
apiRef,
firstRowToRender,
lastRowToRender,
visibleRows: currentPage.rows
});
const direction = theme.direction === 'ltr' ? 1 : -1;
const top = gridRowsMetaSelector(apiRef.current.state).positions[firstRowToRender];
const left = direction * gridColumnPositionsSelector(apiRef)[firstColumnToRender]; // Call directly the selector because it might be outdated when this method is called
renderZoneRef.current.style.transform = `translate3d(${left}px, ${top}px, 0px)`;
if (typeof onRenderZonePositioning === 'function') {
onRenderZonePositioning({
top,
left
});
}
}, [apiRef, currentPage.rows, onRenderZonePositioning, renderZoneMinColumnIndex, renderZoneMaxColumnIndex, rootProps.columnBuffer, rootProps.rowBuffer, theme.direction]);
const getRenderContext = React.useCallback(() => prevRenderContext.current, []);
const setRenderContext = React.useCallback(nextRenderContext => {
if (prevRenderContext.current && areRenderContextsEqual(nextRenderContext, prevRenderContext.current)) {
updateRenderZonePosition(nextRenderContext);
return;
}
setRenderContextState(nextRenderContext);
updateRenderZonePosition(nextRenderContext);
const [firstRowToRender, lastRowToRender] = getRenderableIndexes({
firstIndex: nextRenderContext.firstRowIndex,
lastIndex: nextRenderContext.lastRowIndex,
minFirstIndex: 0,
maxLastIndex: currentPage.rows.length,
buffer: rootProps.rowBuffer
});
apiRef.current.publishEvent('renderedRowsIntervalChange', {
firstRowToRender,
lastRowToRender
});
prevRenderContext.current = nextRenderContext;
}, [apiRef, setRenderContextState, prevRenderContext, currentPage.rows.length, rootProps.rowBuffer, updateRenderZonePosition]);
useEnhancedEffect(() => {
if (containerDimensions.width == null) {
return;
}
const initialRenderContext = computeRenderContext();
setRenderContext(initialRenderContext);
const {
top,
left
} = scrollPosition.current;
const params = {
top,
left,
renderContext: initialRenderContext
};
apiRef.current.publishEvent('scrollPositionChange', params);
}, [apiRef, computeRenderContext, containerDimensions.width, setRenderContext]);
const handleScroll = useEventCallback(event => {
const {
scrollTop,
scrollLeft
} = event.currentTarget;
scrollPosition.current.top = scrollTop;
scrollPosition.current.left = scrollLeft;
// On iOS and macOS, negative offsets are possible when swiping past the start
if (!prevRenderContext.current || scrollTop < 0) {
return;
}
if (theme.direction === 'ltr') {
if (scrollLeft < 0) {
return;
}
}
if (theme.direction === 'rtl') {
if (scrollLeft > 0) {
return;
}
}
// When virtualization is disabled, the context never changes during scroll
const nextRenderContext = enabled ? computeRenderContext() : prevRenderContext.current;
const topRowsScrolledSincePreviousRender = Math.abs(nextRenderContext.firstRowIndex - prevRenderContext.current.firstRowIndex);
const bottomRowsScrolledSincePreviousRender = Math.abs(nextRenderContext.lastRowIndex - prevRenderContext.current.lastRowIndex);
const topColumnsScrolledSincePreviousRender = Math.abs(nextRenderContext.firstColumnIndex - prevRenderContext.current.firstColumnIndex);
const bottomColumnsScrolledSincePreviousRender = Math.abs(nextRenderContext.lastColumnIndex - prevRenderContext.current.lastColumnIndex);
const shouldSetState = topRowsScrolledSincePreviousRender >= rootProps.rowThreshold || bottomRowsScrolledSincePreviousRender >= rootProps.rowThreshold || topColumnsScrolledSincePreviousRender >= rootProps.columnThreshold || bottomColumnsScrolledSincePreviousRender >= rootProps.columnThreshold || prevTotalWidth.current !== columnsTotalWidth;
apiRef.current.publishEvent('scrollPositionChange', {
top: scrollTop,
left: scrollLeft,
renderContext: shouldSetState ? nextRenderContext : prevRenderContext.current
}, event);
if (shouldSetState) {
// Prevents batching render context changes
ReactDOM.flushSync(() => {
setRenderContext(nextRenderContext);
});
prevTotalWidth.current = columnsTotalWidth;
}
});
const handleWheel = useEventCallback(event => {
apiRef.current.publishEvent('virtualScrollerWheel', {}, event);
});
const handleTouchMove = useEventCallback(event => {
apiRef.current.publishEvent('virtualScrollerTouchMove', {}, event);
});
const indexOfRowWithFocusedCell = React.useMemo(() => {
if (cellFocus !== null) {
return currentPage.rows.findIndex(row => row.id === cellFocus.id);
}
return -1;
}, [cellFocus, currentPage.rows]);
useGridApiEventHandler(apiRef, 'rowMouseOver', (params, event) => {
if (event.currentTarget.contains(event.relatedTarget)) {
return;
}
setHoveredRowId(params.id ?? null);
});
useGridApiEventHandler(apiRef, 'rowMouseOut', (params, event) => {
if (event.currentTarget.contains(event.relatedTarget)) {
return;
}
setHoveredRowId(null);
});
const getRows = (params = {
renderContext
}) => {
const {
onRowRender,
renderContext: nextRenderContext,
minFirstColumn = renderZoneMinColumnIndex,
maxLastColumn = renderZoneMaxColumnIndex,
availableSpace = containerDimensions.width,
rowIndexOffset = 0,
position = 'center'
} = params;
if (!nextRenderContext || availableSpace == null) {
return null;
}
const rowBuffer = enabled ? rootProps.rowBuffer : 0;
const columnBuffer = enabled ? rootProps.columnBuffer : 0;
const [firstRowToRender, lastRowToRender] = getRenderableIndexes({
firstIndex: nextRenderContext.firstRowIndex,
lastIndex: nextRenderContext.lastRowIndex,
minFirstIndex: 0,
maxLastIndex: currentPage.rows.length,
buffer: rowBuffer
});
const renderedRows = [];
if (params.rows) {
params.rows.forEach(row => {
renderedRows.push(row);
apiRef.current.calculateColSpan({
rowId: row.id,
minFirstColumn,
maxLastColumn,
columns: visibleColumns
});
});
} else {
if (!currentPage.range) {
return null;
}
for (let i = firstRowToRender; i < lastRowToRender; i += 1) {
const row = currentPage.rows[i];
renderedRows.push(row);
apiRef.current.calculateColSpan({
rowId: row.id,
minFirstColumn,
maxLastColumn,
columns: visibleColumns
});
}
}
// If the selected row is not within the current range of rows being displayed,
// we need to render it at either the top or bottom of the rows,
// depending on whether it is above or below the range.
let isRowWithFocusedCellNotInRange = false;
if (indexOfRowWithFocusedCell > -1) {
const rowWithFocusedCell = currentPage.rows[indexOfRowWithFocusedCell];
if (firstRowToRender > indexOfRowWithFocusedCell || lastRowToRender < indexOfRowWithFocusedCell) {
isRowWithFocusedCellNotInRange = true;
if (indexOfRowWithFocusedCell > firstRowToRender) {
renderedRows.push(rowWithFocusedCell);
} else {
renderedRows.unshift(rowWithFocusedCell);
}
apiRef.current.calculateColSpan({
rowId: rowWithFocusedCell.id,
minFirstColumn,
maxLastColumn,
columns: visibleColumns
});
}
}
const [initialFirstColumnToRender, lastColumnToRender] = getRenderableIndexes({
firstIndex: nextRenderContext.firstColumnIndex,
lastIndex: nextRenderContext.lastColumnIndex,
minFirstIndex: minFirstColumn,
maxLastIndex: maxLastColumn,
buffer: columnBuffer
});
const firstColumnToRender = getFirstNonSpannedColumnToRender({
firstColumnToRender: initialFirstColumnToRender,
apiRef,
firstRowToRender,
lastRowToRender,
visibleRows: currentPage.rows
});
let isColumnWihFocusedCellNotInRange = false;
if (firstColumnToRender > indexOfColumnWithFocusedCell || lastColumnToRender < indexOfColumnWithFocusedCell) {
isColumnWihFocusedCellNotInRange = true;
}
const {
focusedCellColumnIndexNotInRange,
renderedColumns
} = getRenderedColumnsRef.current(visibleColumns, firstColumnToRender, lastColumnToRender, minFirstColumn, maxLastColumn, isColumnWihFocusedCellNotInRange ? indexOfColumnWithFocusedCell : -1);
const _ref = rootProps.slotProps?.row || {},
{
style: rootRowStyle
} = _ref,
rootRowProps = _objectWithoutPropertiesLoose(_ref, _excluded);
const invalidatesCachedRowStyle = prevGetRowProps.current !== getRowProps || prevRootRowStyle.current !== rootRowStyle;
if (invalidatesCachedRowStyle) {
rowStyleCache.current = Object.create(null);
}
const rows = [];
let isRowWithFocusedCellRendered = false;
for (let i = 0; i < renderedRows.length; i += 1) {
const {
id,
model
} = renderedRows[i];
const isRowNotVisible = isRowWithFocusedCellNotInRange && cellFocus.id === id;
const lastVisibleRowIndex = isRowWithFocusedCellNotInRange ? firstRowToRender + i === currentPage.rows.length : firstRowToRender + i === currentPage.rows.length - 1;
const baseRowHeight = !apiRef.current.rowHasAutoHeight(id) ? apiRef.current.unstable_getRowHeight(id) : 'auto';
let isSelected;
if (selectedRowsLookup[id] == null) {
isSelected = false;
} else {
isSelected = apiRef.current.isRowSelectable(id);
}
if (onRowRender) {
onRowRender(id);
}
const focusedCell = cellFocus !== null && cellFocus.id === id ? cellFocus.field : null;
const columnWithFocusedCellNotInRange = focusedCellColumnIndexNotInRange !== undefined && visibleColumns[focusedCellColumnIndexNotInRange];
const renderedColumnsWithFocusedCell = columnWithFocusedCellNotInRange && focusedCell ? [columnWithFocusedCellNotInRange, ...renderedColumns] : renderedColumns;
let tabbableCell = null;
if (cellTabIndex !== null && cellTabIndex.id === id) {
const cellParams = apiRef.current.getCellParams(id, cellTabIndex.field);
tabbableCell = cellParams.cellMode === 'view' ? cellTabIndex.field : null;
}
const _ref2 = typeof getRowProps === 'function' && getRowProps(id, model) || {},
{
style: rowStyle
} = _ref2,
rowProps = _objectWithoutPropertiesLoose(_ref2, _excluded2);
if (!rowStyleCache.current[id]) {
const style = _extends({}, rowStyle, rootRowStyle);
rowStyleCache.current[id] = style;
}
let index = rowIndexOffset + (currentPage?.range?.firstRowIndex || 0) + firstRowToRender + i;
if (isRowWithFocusedCellNotInRange && cellFocus?.id === id) {
index = indexOfRowWithFocusedCell;
isRowWithFocusedCellRendered = true;
} else if (isRowWithFocusedCellRendered) {
index -= 1;
}
rows.push( /*#__PURE__*/_jsx(rootProps.slots.row, _extends({
row: model,
rowId: id,
focusedCellColumnIndexNotInRange: focusedCellColumnIndexNotInRange,
isNotVisible: isRowNotVisible,
rowHeight: baseRowHeight,
focusedCell: focusedCell,
tabbableCell: tabbableCell,
renderedColumns: renderedColumnsWithFocusedCell,
visibleColumns: visibleColumns,
firstColumnToRender: firstColumnToRender,
lastColumnToRender: lastColumnToRender,
selected: isSelected,
index: index,
containerWidth: availableSpace,
isLastVisible: lastVisibleRowIndex,
position: position
}, rowProps, rootRowProps, {
hovered: hoveredRowId === id,
style: rowStyleCache.current[id]
}), id));
}
prevGetRowProps.current = getRowProps;
prevRootRowStyle.current = rootRowStyle;
return rows;
};
const needsHorizontalScrollbar = containerDimensions.width && columnsTotalWidth >= containerDimensions.width;
const contentSize = React.useMemo(() => {
// In cases where the columns exceed the available width,
// the horizontal scrollbar should be shown even when there're no rows.
// Keeping 1px as minimum height ensures that the scrollbar will visible if necessary.
const height = Math.max(rowsMeta.currentPageTotalHeight, 1);
let shouldExtendContent = false;
if (rootRef?.current && height <= rootRef?.current.clientHeight) {
shouldExtendContent = true;
}
const size = {
width: needsHorizontalScrollbar ? columnsTotalWidth : 'auto',
height,
minHeight: shouldExtendContent ? '100%' : 'auto'
};
if (rootProps.autoHeight && currentPage.rows.length === 0) {
size.height = getMinimalContentHeight(apiRef, rootProps.rowHeight); // Give room to show the overlay when there no rows.
}
return size;
}, [apiRef, rootRef, columnsTotalWidth, rowsMeta.currentPageTotalHeight, needsHorizontalScrollbar, rootProps.autoHeight, rootProps.rowHeight, currentPage.rows.length]);
React.useEffect(() => {
apiRef.current.publishEvent('virtualScrollerContentSizeChange');
}, [apiRef, contentSize]);
const rootStyle = React.useMemo(() => {
const style = {};
if (!needsHorizontalScrollbar) {
style.overflowX = 'hidden';
}
if (rootProps.autoHeight) {
style.overflowY = 'hidden';
}
return style;
}, [needsHorizontalScrollbar, rootProps.autoHeight]);
apiRef.current.register('private', {
getRenderContext
});
return {
renderContext,
updateRenderZonePosition,
getRows,
getRootProps: (inputProps = {}) => _extends({
ref: handleRef,
onScroll: handleScroll,
onWheel: handleWheel,
onTouchMove: handleTouchMove
}, inputProps, {
style: inputProps.style ? _extends({}, inputProps.style, rootStyle) : rootStyle,
role: 'presentation'
}),
getContentProps: ({
style
} = {}) => ({
style: style ? _extends({}, style, contentSize) : contentSize,
role: 'presentation'
}),
getRenderZoneProps: () => ({
ref: renderZoneRef,
role: 'rowgroup'
})
};
};