[DataGrid] Allow to control the indeterminate checkbox behavior

docs/data/data-grid/row-selection/CheckboxSelectionIndeterminateGrid.js

@@ -0,0 +1,17 @@
+import * as React from 'react';
+import { DataGrid } from '@mui/x-data-grid';
+import { useDemoData } from '@mui/x-data-grid-generator';
+
+export default function CheckboxSelectionIndeterminateGrid() {
+  const { data } = useDemoData({
+    dataSet: 'Commodity',
+    rowLength: 10,
+    maxColumns: 5,
+  });
+
+  return (
+    <div style={{ width: '100%', height: 300 }}>
+      <DataGrid {...data} checkboxSelection indeterminateCheckboxAction="select" />
+    </div>
+  );
+}

docs/data/data-grid/row-selection/CheckboxSelectionIndeterminateGrid.tsx

@@ -0,0 +1,17 @@
+import * as React from 'react';
+import { DataGrid } from '@mui/x-data-grid';
+import { useDemoData } from '@mui/x-data-grid-generator';
+
+export default function CheckboxSelectionIndeterminateGrid() {
+  const { data } = useDemoData({
+    dataSet: 'Commodity',
+    rowLength: 10,
+    maxColumns: 5,
+  });
+
+  return (
+    <div style={{ width: '100%', height: 300 }}>
+      <DataGrid {...data} checkboxSelection indeterminateCheckboxAction="select" />
+    </div>
+  );
+}

docs/data/data-grid/row-selection/CheckboxSelectionIndeterminateGrid.tsx.preview

@@ -0,0 +1 @@
+<DataGrid {...data} checkboxSelection indeterminateCheckboxAction="select" />

docs/data/data-grid/row-selection/row-selection.md

@@ -64,6 +64,13 @@ Always set the `checkboxSelection` prop to `true` even when providing a custom c
 Otherwise, the data grid might remove your column.
 :::
 
+### Customize indeterminate checkbox behavior
+
+The parent checkboxes (like "Select All" checkbox) when clicked in an indeterminate state will deselect the selected rows.
+You can customize this behavior by using the [`indeterminateCheckboxAction` prop](/x/api/data-grid/data-grid/#data-grid-prop-indeterminateCheckboxAction).
+
+{{"demo": "CheckboxSelectionIndeterminateGrid.js", "bg": "inline"}}
+
 ### Visible rows selection [<span class="plan-pro"></span>](/x/introduction/licensing/#pro-plan 'Pro plan')
 
 By default, when you click the "Select All" checkbox, all rows in the data grid are selected.

docs/pages/x/api/data-grid/data-grid-premium.json

@@ -181,6 +181,10 @@
       },
       "default": "false"
     },
+    "indeterminateCheckboxAction": {
+      "type": { "name": "enum", "description": "'deselect'<br>&#124;&nbsp;'select'" },
+      "default": "\"deselect\""
+    },
     "initialState": { "type": { "name": "object" } },
     "isCellEditable": {
       "type": { "name": "func" },

docs/pages/x/api/data-grid/data-grid-pro.json

@@ -155,6 +155,10 @@
       },
       "default": "false"
     },
+    "indeterminateCheckboxAction": {
+      "type": { "name": "enum", "description": "'deselect'<br>&#124;&nbsp;'select'" },
+      "default": "\"deselect\""
+    },
     "initialState": { "type": { "name": "object" } },
     "isCellEditable": {
       "type": { "name": "func" },

docs/pages/x/api/data-grid/data-grid.json

@@ -123,6 +123,10 @@
       },
       "default": "false"
     },
+    "indeterminateCheckboxAction": {
+      "type": { "name": "enum", "description": "'deselect'<br>&#124;&nbsp;'select'" },
+      "default": "\"deselect\""
+    },
     "initialState": { "type": { "name": "object" } },
     "isCellEditable": {
       "type": { "name": "func" },

docs/translations/api-docs/data-grid/data-grid-premium/data-grid-premium.json

@@ -202,6 +202,9 @@
     "ignoreValueFormatterDuringExport": {
       "description": "If <code>true</code>, the Data Grid will not use <code>valueFormatter</code> when exporting to CSV or copying to clipboard. If an object is provided, you can choose to ignore the <code>valueFormatter</code> for CSV export or clipboard export."
     },
+    "indeterminateCheckboxAction": {
+      "description": "If <code>select</code>, a group header checkbox in indeterminate state (like &quot;Select All&quot; checkbox) will select all the rows under it. If <code>deselect</code>, it will deselect all the rows under it. Works only if <code>checkboxSelection</code> is enabled."
+    },
     "initialState": {
       "description": "The initial state of the DataGridPremium. The data in it is set in the state on initialization but isn&#39;t controlled. If one of the data in <code>initialState</code> is also being controlled, then the control state wins."
     },

docs/translations/api-docs/data-grid/data-grid-pro/data-grid-pro.json

@@ -183,6 +183,9 @@
     "ignoreValueFormatterDuringExport": {
       "description": "If <code>true</code>, the Data Grid will not use <code>valueFormatter</code> when exporting to CSV or copying to clipboard. If an object is provided, you can choose to ignore the <code>valueFormatter</code> for CSV export or clipboard export."
     },
+    "indeterminateCheckboxAction": {
+      "description": "If <code>select</code>, a group header checkbox in indeterminate state (like &quot;Select All&quot; checkbox) will select all the rows under it. If <code>deselect</code>, it will deselect all the rows under it. Works only if <code>checkboxSelection</code> is enabled."
+    },
     "initialState": {
       "description": "The initial state of the DataGridPro. The data in it will be set in the state on initialization but will not be controlled. If one of the data in <code>initialState</code> is also being controlled, then the control state wins."
     },

docs/translations/api-docs/data-grid/data-grid/data-grid.json

@@ -136,6 +136,9 @@
     "ignoreValueFormatterDuringExport": {
       "description": "If <code>true</code>, the Data Grid will not use <code>valueFormatter</code> when exporting to CSV or copying to clipboard. If an object is provided, you can choose to ignore the <code>valueFormatter</code> for CSV export or clipboard export."
     },
+    "indeterminateCheckboxAction": {
+      "description": "If <code>select</code>, a group header checkbox in indeterminate state (like &quot;Select All&quot; checkbox) will select all the rows under it. If <code>deselect</code>, it will deselect all the rows under it. Works only if <code>checkboxSelection</code> is enabled."
+    },
     "initialState": {
       "description": "The initial state of the DataGrid. The data in it will be set in the state on initialization but will not be controlled. If one of the data in <code>initialState</code> is also being controlled, then the control state wins."
     },

packages/x-data-grid-premium/src/DataGridPremium/DataGridPremium.tsx

@@ -472,6 +472,14 @@ DataGridPremiumRaw.propTypes = {
     }),
     PropTypes.bool,
   ]),
+  /**
+   * If `select`, a group header checkbox in indeterminate state (like "Select All" checkbox)
+   * will select all the rows under it.
+   * If `deselect`, it will deselect all the rows under it.
+   * Works only if `checkboxSelection` is enabled.
+   * @default "deselect"
+   */
+  indeterminateCheckboxAction: PropTypes.oneOf(['deselect', 'select']),
   /**
    * The initial state of the DataGridPremium.
    * The data in it is set in the state on initialization but isn't controlled.

packages/x-data-grid-pro/src/DataGridPro/DataGridPro.tsx

@@ -427,6 +427,14 @@ DataGridProRaw.propTypes = {
     }),
     PropTypes.bool,
   ]),
+  /**
+   * If `select`, a group header checkbox in indeterminate state (like "Select All" checkbox)
+   * will select all the rows under it.
+   * If `deselect`, it will deselect all the rows under it.
+   * Works only if `checkboxSelection` is enabled.
+   * @default "deselect"
+   */
+  indeterminateCheckboxAction: PropTypes.oneOf(['deselect', 'select']),
   /**
    * The initial state of the DataGridPro.
    * The data in it will be set in the state on initialization but will not be controlled.

packages/x-data-grid/src/DataGrid/DataGrid.tsx

@@ -354,6 +354,14 @@ DataGridRaw.propTypes = {
     }),
     PropTypes.bool,
   ]),
+  /**
+   * If `select`, a group header checkbox in indeterminate state (like "Select All" checkbox)
+   * will select all the rows under it.
+   * If `deselect`, it will deselect all the rows under it.
+   * Works only if `checkboxSelection` is enabled.
+   * @default "deselect"
+   */
+  indeterminateCheckboxAction: PropTypes.oneOf(['deselect', 'select']),
   /**
    * The initial state of the DataGrid.
    * The data in it will be set in the state on initialization but will not be controlled.

packages/x-data-grid/src/DataGrid/useDataGridProps.ts

@@ -58,6 +58,8 @@ export const DATA_GRID_PROPS_DEFAULT_VALUES: DataGridPropsWithDefaultValues = {
   hideFooterSelectedRowCount: false,
   ignoreDiacritics: false,
   ignoreValueFormatterDuringExport: false,
+  // TODO v8: Update to 'select'
+  indeterminateCheckboxAction: 'deselect',
   keepColumnPositionIfDraggedOutside: false,
   keepNonExistentRowsSelected: false,
   loading: false,

packages/x-data-grid/src/components/columnSelection/GridHeaderCheckbox.tsx

@@ -129,11 +129,16 @@ const GridHeaderCheckbox = React.forwardRef<HTMLButtonElement, GridColumnHeaderP
       isChecked ? 'checkboxSelectionUnselectAllRows' : 'checkboxSelectionSelectAllRows',
     );
 
+    const checked =
+      rootProps.indeterminateCheckboxAction === 'select'
+        ? isChecked && !isIndeterminate
+        : isChecked;
+
     return (
       <rootProps.slots.baseCheckbox
         ref={ref}
         indeterminate={isIndeterminate}
-        checked={isChecked}
+        checked={checked}
         onChange={handleChange}
         className={classes.root}
         inputProps={{ 'aria-label': label }}

packages/x-data-grid/src/models/props/DataGridProps.ts

@@ -244,6 +244,14 @@ export interface DataGridPropsWithDefaultValues<R extends GridValidRowModel = an
    * @default false
    */
   ignoreDiacritics: boolean;
+  /**
+   * If `select`, a group header checkbox in indeterminate state (like "Select All" checkbox)
+   * will select all the rows under it.
+   * If `deselect`, it will deselect all the rows under it.
+   * Works only if `checkboxSelection` is enabled.
+   * @default "deselect"
+   */
+  indeterminateCheckboxAction: 'select' | 'deselect';
   /**
    * If `true`, the selection model will retain selected rows that do not exist.
    * Useful when using server side pagination and row selections need to be retained

packages/x-data-grid/src/tests/rowSelection.DataGrid.test.tsx

@@ -404,6 +404,26 @@ describe('<DataGrid /> - Row selection', () => {
         expect(grid('selectedRowCount')?.textContent).to.equal('1 row selected');
       });
     });
+
+    describe('prop: indeterminateCheckboxAction = "select"', () => {
+      it('should select all the rows when clicking on "Select All" checkbox in indeterminate state', () => {
+        render(<TestDataGridSelection checkboxSelection indeterminateCheckboxAction="select" />);
+        const selectAllCheckbox = screen.getByRole('checkbox', { name: 'Select all rows' });
+        fireEvent.click(screen.getAllByRole('checkbox', { name: /select row/i })[0]);
+        fireEvent.click(selectAllCheckbox);
+        expect(getSelectedRowIds()).to.deep.equal([0, 1, 2, 3]);
+      });
+    });
+
+    describe('prop: indeterminateCheckboxAction = "deselect"', () => {
+      it('should deselect all the rows when clicking on "Select All" checkbox in indeterminate state', () => {
+        render(<TestDataGridSelection checkboxSelection indeterminateCheckboxAction="deselect" />);
+        const selectAllCheckbox = screen.getByRole('checkbox', { name: 'Select all rows' });
+        fireEvent.click(screen.getAllByRole('checkbox', { name: /select row/i })[0]);
+        fireEvent.click(selectAllCheckbox);
+        expect(getSelectedRowIds()).to.deep.equal([]);
+      });
+    });
   });
 
   describe('prop: checkboxSelection = true (multi selection), with keyboard events', () => {