[DataGrid] Set default overlay height in flex parent layout

docs/data/data-grid/layout/AutoHeightOverlay.js → docs/data/data-grid/layout/GridOverlayHeight.js

@@ -56,11 +56,10 @@ function CustomNoRowsOverlay() {
   );
 }
 
-export default function AutoHeightOverlay() {
+export default function GridOverlayHeight() {
   return (
-    <Box sx={{ width: '100%' }}>
+    <Box sx={{ width: '100%', display: 'flex', flexDirection: 'column' }}>
       <DataGrid
-        autoHeight
         columns={[{ field: 'ID' }, { field: 'First name' }, { field: 'Last name' }]}
         rows={[]}
         slots={{ noRowsOverlay: CustomNoRowsOverlay }}

docs/data/data-grid/layout/AutoHeightOverlay.tsx → docs/data/data-grid/layout/GridOverlayHeight.tsx

@@ -56,11 +56,10 @@ function CustomNoRowsOverlay() {
   );
 }
 
-export default function AutoHeightOverlay() {
+export default function GridOverlayHeight() {
   return (
-    <Box sx={{ width: '100%' }}>
+    <Box sx={{ width: '100%', display: 'flex', flexDirection: 'column' }}>
       <DataGrid
-        autoHeight
         columns={[{ field: 'ID' }, { field: 'First name' }, { field: 'Last name' }]}
         rows={[]}
         slots={{ noRowsOverlay: CustomNoRowsOverlay }}

docs/data/data-grid/layout/AutoHeightOverlay.tsx.preview → docs/data/data-grid/layout/GridOverlayHeight.tsx.preview

@@ -1,5 +1,4 @@
 <DataGrid
-  autoHeight
   columns={[{ field: 'ID' }, { field: 'First name' }, { field: 'Last name' }]}
   rows={[]}
   slots={{ noRowsOverlay: CustomNoRowsOverlay }}

docs/data/data-grid/layout/layout.md

@@ -41,6 +41,17 @@ You can predefine dimensions for the parent of the Data Grid.
 
 {{"demo": "FixedSizeGrid.js", "bg": "inline"}}
 
+## Overlay height
+
+When data grid has no content, overlays (such as
+["Loading"](/x/react-data-grid/overlays/#loading-overlay) or
+["No rows"](/x/react-data-grid/overlays/#no-rows-overlay))
+take the height of two rows by default.
+
+To customize the overlay height, use the `--DataGrid-overlayHeight` CSS variable.
+
+{{"demo": "GridOverlayHeight.js", "bg": "inline"}}
+
 ## Auto height
 
 :::error
@@ -52,17 +63,6 @@ This means that the Data Grid's height will be determined by the number of rows,
 
 {{"demo": "AutoHeightGrid.js", "bg": "inline"}}
 
-### Overlay height
-
-When `autoHeight` is enabled, grid overlays (such as
-["Loading"](/x/react-data-grid/overlays/#loading-overlay) or
-["No rows"](/x/react-data-grid/overlays/#no-rows-overlay))
-take the height of two rows by default.
-
-To customize the overlay height, use the `--DataGrid-overlayHeight` CSS variable.
-
-{{"demo": "AutoHeightOverlay.js", "bg": "inline"}}
-
 ## API
 
 - [DataGrid](/x/api/data-grid/data-grid/)

packages/x-data-grid/src/components/base/GridOverlays.tsx

@@ -3,13 +3,12 @@ import PropTypes from 'prop-types';
 import { styled } from '@mui/system';
 import composeClasses from '@mui/utils/composeClasses';
 import clsx from 'clsx';
+import { minimalContentHeight } from '../../hooks/features/rows/gridRowsUtils';
 import { useGridSelector } from '../../hooks/utils/useGridSelector';
 import { gridDimensionsSelector } from '../../hooks/features/dimensions';
 import { GridOverlayType } from '../../hooks/features/overlays/useGridOverlays';
 import { useGridApiContext } from '../../hooks/utils/useGridApiContext';
 import { useGridRootProps } from '../../hooks/utils/useGridRootProps';
-import { useGridVisibleRows } from '../../hooks/utils/useGridVisibleRows';
-import { getMinimalContentHeight } from '../../hooks/features/rows/gridRowsUtils';
 import { DataGridProcessedProps } from '../../models/props/DataGridProps';
 import { getDataGridUtilityClass } from '../../constants/gridClasses';
 import { GridLoadingOverlayVariant } from '../GridLoadingOverlay';
@@ -29,7 +28,7 @@ const GridOverlayWrapperRoot = styled('div', {
   loadingOverlayVariant !== 'skeleton'
     ? {
         position: 'sticky', // To stay in place while scrolling
-        top: 'var(--DataGrid-headersTotalHeight)',
+        top: 'var(--DataGrid-headersTotalHeight)', // TODO: take pinned rows into account
         left: 0,
         width: 0, // To stay above the content instead of shifting it down
         height: 0, // To stay above the content instead of shifting it down
@@ -64,17 +63,18 @@ const useUtilityClasses = (ownerState: OwnerState) => {
 function GridOverlayWrapper(props: React.PropsWithChildren<GridOverlaysProps>) {
   const apiRef = useGridApiContext();
   const rootProps = useGridRootProps();
-  const currentPage = useGridVisibleRows(apiRef, rootProps);
   const dimensions = useGridSelector(apiRef, gridDimensionsSelector);
 
-  let height: React.CSSProperties['height'] =
+  let height: React.CSSProperties['height'] = Math.max(
     dimensions.viewportOuterSize.height -
-    dimensions.topContainerHeight -
-    dimensions.bottomContainerHeight -
-    (dimensions.hasScrollX ? dimensions.scrollbarSize : 0);
+      dimensions.topContainerHeight -
+      dimensions.bottomContainerHeight -
+      (dimensions.hasScrollX ? dimensions.scrollbarSize : 0),
+    0,
+  );
 
-  if ((rootProps.autoHeight && currentPage.rows.length === 0) || height === 0) {
-    height = getMinimalContentHeight(apiRef);
+  if (height === 0) {
+    height = minimalContentHeight;
   }
 
   const classes = useUtilityClasses({ ...props, classes: rootProps.classes });

packages/x-data-grid/src/hooks/features/rows/gridRowsUtils.ts

@@ -25,7 +25,6 @@ import {
   GridRowsPartialUpdateAction,
 } from './gridRowsInterfaces';
 import { gridPinnedRowsSelector } from './gridRowsSelector';
-import { gridDimensionsSelector } from '../dimensions/gridDimensionsSelectors';
 
 export const GRID_ROOT_GROUP_ID: GridRowId = `auto-generated-group-node-root`;
 export const GRID_ID_AUTOGENERATED = Symbol('mui.id_autogenerated');
@@ -401,10 +400,7 @@ export function calculatePinnedRowsHeight(apiRef: React.MutableRefObject<GridApi
   };
 }
 
-export function getMinimalContentHeight(apiRef: React.MutableRefObject<GridApiCommunity>) {
-  const dimensions = gridDimensionsSelector(apiRef.current.state);
-  return `var(--DataGrid-overlayHeight, ${2 * dimensions.rowHeight}px)`;
-}
+export const minimalContentHeight = 'var(--DataGrid-overlayHeight, calc(var(--height) * 2))';
 
 export function computeRowsUpdates(
   apiRef: React.MutableRefObject<GridApiCommunity>,

packages/x-data-grid/src/hooks/features/virtualization/useGridVirtualScroller.tsx

@@ -36,7 +36,6 @@ import type {
 import { selectedIdsLookupSelector } from '../rowSelection/gridRowSelectionSelector';
 import { gridRowsMetaSelector } from '../rows/gridRowsMetaSelector';
 import { getFirstNonSpannedColumnToRender } from '../columns/gridColumnsUtils';
-import { getMinimalContentHeight } from '../rows/gridRowsUtils';
 import { GridRowProps } from '../../../components/GridRow';
 import { GridInfiniteLoaderPrivateApi } from '../../../models/api/gridInfiniteLoaderApi';
 import {
@@ -47,6 +46,7 @@ import {
 import { EMPTY_RENDER_CONTEXT } from './useGridVirtualization';
 import { gridRowSpanningHiddenCellsOriginMapSelector } from '../rows/gridRowSpanningSelectors';
 import { gridListColumnSelector } from '../listView/gridListViewSelectors';
+import { minimalContentHeight } from '../rows/gridRowsUtils';
 
 const MINIMUM_COLUMN_WIDTH = 50;
 
@@ -538,19 +538,12 @@ export const useGridVirtualScroller = () => {
       flexShrink: 0,
     };
 
-    if (rootProps.autoHeight && currentPage.rows.length === 0) {
-      size.flexBasis = getMinimalContentHeight(apiRef); // Give room to show the overlay when there no rows.
+    if (size.flexBasis === 0) {
+      size.flexBasis = minimalContentHeight; // Give room to show the overlay when there no rows.
     }
 
     return size;
-  }, [
-    apiRef,
-    columnsTotalWidth,
-    contentHeight,
-    needsHorizontalScrollbar,
-    rootProps.autoHeight,
-    currentPage.rows.length,
-  ]);
+  }, [columnsTotalWidth, contentHeight, needsHorizontalScrollbar]);
 
   React.useEffect(() => {
     apiRef.current.publishEvent('virtualScrollerContentSizeChange');

test/regressions/data-grid/DataGridOverlays.js

@@ -0,0 +1,81 @@
+import * as React from 'react';
+import { DataGrid } from '@mui/x-data-grid';
+
+function FlexParentNoRowsOverlay() {
+  return (
+    <div>
+      FlexParentNoRowsOverlay
+      <div style={{ display: 'flex', flexDirection: 'column' }}>
+        <DataGrid columns={[{ field: 'id' }]} />
+      </div>
+    </div>
+  );
+}
+
+function FlexParentMinHeightNoRowsOverlay() {
+  return (
+    <div>
+      FlexParentMinHeightNoRowsOverlay
+      <div style={{ display: 'flex', flexDirection: 'column', minHeight: 300 }}>
+        <DataGrid columns={[{ field: 'id' }]} />
+      </div>
+    </div>
+  );
+}
+
+function FlexParentMaxHeightNoRowsOverlay() {
+  return (
+    <div>
+      FlexParentMaxHeightNoRowsOverlay
+      <div style={{ display: 'flex', flexDirection: 'column', maxHeight: 200 }}>
+        <DataGrid columns={[{ field: 'id' }]} />
+      </div>
+    </div>
+  );
+}
+
+function AutoHeightNoRowsOverlay() {
+  return (
+    <div>
+      AutoHeightNoRowsOverlay
+      <div style={{ width: '100%' }}>
+        <DataGrid columns={[{ field: 'id' }]} autoHeight />
+      </div>
+    </div>
+  );
+}
+
+function AutoHeightLoadingOverlay() {
+  return (
+    <div>
+      AutoHeightLoadingOverlay
+      <div style={{ width: '100%' }}>
+        <DataGrid columns={[{ field: 'id' }]} rows={[{ id: 1 }]} loading autoHeight />
+      </div>
+    </div>
+  );
+}
+
+function PredefinedSizeNoRowsLoadingOverlay() {
+  return (
+    <div>
+      PredefinedSizeNoRowsLoadingOverlay
+      <div style={{ width: '100%', height: 300 }}>
+        <DataGrid columns={[{ field: 'id' }]} loading />
+      </div>
+    </div>
+  );
+}
+
+export default function DataGridFlexParentOverlay() {
+  return (
+    <div style={{ width: '100%' }}>
+      <FlexParentNoRowsOverlay />
+      <FlexParentMinHeightNoRowsOverlay />
+      <FlexParentMaxHeightNoRowsOverlay />
+      <AutoHeightNoRowsOverlay />
+      <AutoHeightLoadingOverlay />
+      <PredefinedSizeNoRowsLoadingOverlay />
+    </div>
+  );
+}