Alyar666 · Oct 16, 2026 · Oct 16, 2026
@@ -4,6 +4,8 @@ import type { dxElementWrapper } from '@js/core/renderer';
 import type { Callback } from '@js/core/utils/callbacks';
 import type { DeferredObj } from '@js/core/utils/deferred';
 import type { Properties as DataGridProperties } from '@js/ui/data_grid';
+import type { StoreLoadOptions } from '@ts/data/data_source/types';
+import type { SortingInfo } from '@ts/data/utils';
 import type { RawItemData } from '@ts/grids/grid_core/data_source_adapter/types';
 
 import type { DataFilter } from '../filter/types';
@@ -154,14 +156,29 @@ export interface ColumnDataSourceParameter {
   isExpanded?: boolean;
 }
 
+export type SortParameters = StoreLoadOptions['sort']
+  | ColumnDataSourceParameter[]
+  | SortingInfo[]
+  | null;
+
+export type GroupParameters = StoreLoadOptions['group']
+  | ColumnDataSourceParameter[]
+  | SortingInfo[]
+  | null;
+
 export interface ColumnsDataSourceParameters {
-  sorting: unknown;
-  grouping: unknown;
+  sorting: SortParameters;
+  grouping: GroupParameters;
   filtering?: DataFilter;
 }
 
 export type GroupColumn = Column & { groupIndex: number };
 
+export type DisplayValueColumn = Pick<
+  Column,
+  'displayValueMap' | 'calculateDisplayValue' | 'type' | 'calculateGroupValue'
+> & { lookup?: Pick<NonNullable<Column['lookup']>, 'calculateCellValue'> };
+
 export interface ColumnsChanges {
   changeTypes: {
     sorting?: boolean;

@@ -1,8 +1,14 @@
-import { describe, expect, it } from '@jest/globals';
+import {
+  describe,
+  expect,
+  it,
+  jest,
+} from '@jest/globals';
 import filterUtils from '@js/ui/shared/filtering';
 
-import gridCoreUtils from '../../m_utils';
 import { getFormatOptions } from '../m_header_filter';
+import type { HeaderFilterGroupSelector } from '../types';
+import { getHeaderFilterGroupParameters } from '../utils';
 
 describe('getGroupInterval', () => {
   describe('headerFilter.groupInterval normalization', () => {
@@ -66,47 +72,107 @@ describe('getGroupInterval', () => {
   });
 });
 
+type HeaderFilterColumn = Parameters<typeof getHeaderFilterGroupParameters>[0];
+
+const asHeaderFilterColumn = (column: object): HeaderFilterColumn => column as HeaderFilterColumn;
+
 describe('getHeaderFilterGroupParameters', () => {
   it('builds one remote group parameter per level, expanding all but the last', () => {
-    const column = {
+    const column = asHeaderFilterColumn({
       dataField: 'Price', dataType: 'number', headerFilter: { groupInterval: [100, 10] },
-    };
+    });
 
-    expect(gridCoreUtils.getHeaderFilterGroupParameters(column, true)).toEqual([
+    expect(getHeaderFilterGroupParameters(column, true)).toEqual([
       { selector: 'Price', groupInterval: 100, isExpanded: true },
       { selector: 'Price', groupInterval: 10, isExpanded: false },
     ]);
   });
 
   it('supports an arbitrary number of levels', () => {
-    const column = {
+    const column = asHeaderFilterColumn({
       dataField: 'Population',
       dataType: 'number',
       headerFilter: { groupInterval: [100000, 10000, 1000] },
-    };
+    });
 
-    expect(gridCoreUtils.getHeaderFilterGroupParameters(column, true)).toEqual([
+    expect(getHeaderFilterGroupParameters(column, true)).toEqual([
       { selector: 'Population', groupInterval: 100000, isExpanded: true },
       { selector: 'Population', groupInterval: 10000, isExpanded: true },
       { selector: 'Population', groupInterval: 1000, isExpanded: false },
     ]);
   });
 
   it('builds a local interval selector per level that buckets the cell value', () => {
-    const column = {
+    const column = asHeaderFilterColumn({
       dataField: 'Price',
       dataType: 'number',
       headerFilter: { groupInterval: [100, 10] },
-      calculateCellValue: (data) => data.Price,
-    };
+      calculateCellValue: (data: { Price: number }) => data.Price,
+    });
 
-    const params = gridCoreUtils.getHeaderFilterGroupParameters(column);
+    const params = getHeaderFilterGroupParameters(
+      column,
+    ) as HeaderFilterGroupSelector[];
 
     expect(params).toHaveLength(2);
     // 753 -> floor(753 / 100) * 100 on the outer level, floor(753 / 10) * 10 on the inner level
     expect(params[0]({ Price: 753 })).toBe(700);
     expect(params[1]({ Price: 753 })).toBe(750);
   });
+
+  describe('when the column has no group interval', () => {
+    it('should group remotely by the data field', () => {
+      const column = asHeaderFilterColumn({ dataField: 'Name', dataType: 'string' });
+
+      expect(getHeaderFilterGroupParameters(column, true)).toEqual([
+        { selector: 'Name', isExpanded: false },
+      ]);
+    });
+
+    it('should group remotely by the column name when there is no data field', () => {
+      const column = asHeaderFilterColumn({ name: 'nameColumn', dataType: 'string' });
+
+      expect(getHeaderFilterGroupParameters(column, true)).toEqual([
+        { selector: 'nameColumn', isExpanded: false },
+      ]);
+    });
+
+    it('should return a local selector that turns empty values into null', () => {
+      const column = asHeaderFilterColumn({
+        dataField: 'Name',
+        dataType: 'string',
+        calculateCellValue: (data: { Name?: unknown }) => data.Name,
+      });
+
+      const selector = getHeaderFilterGroupParameters(
+        column,
+      ) as HeaderFilterGroupSelector;
+
+      expect(selector({ Name: 'a' })).toBe('a');
+      expect(selector({ Name: 0 })).toBe(0);
+      expect(selector({ Name: '' })).toBeNull();
+      expect(selector({})).toBeNull();
+    });
+
+    it('should pair the local selector with the bound sorting method', () => {
+      const sortingMethod = jest.fn((value1: number, value2: number) => value1 - value2);
+      const column = asHeaderFilterColumn({
+        dataField: 'Name',
+        dataType: 'string',
+        calculateCellValue: (data: { Name?: unknown }) => data.Name,
+        sortingMethod,
+      });
+
+      const [descriptor] = getHeaderFilterGroupParameters(column) as {
+        selector: HeaderFilterGroupSelector;
+        compare: (value1: unknown, value2: unknown) => number;
+      }[];
+
+      expect(descriptor.selector({ Name: '' })).toBeNull();
+      expect(descriptor.compare(3, 1)).toBe(2);
+      expect(sortingMethod.mock.contexts[0]).toBe(column);
+    });
+  });
 });
 
 describe('getFormatOptions', () => {

@@ -30,7 +30,11 @@ import {
   HeaderFilterView,
   updateHeaderFilterItemSelectionState,
 } from './m_header_filter_core';
-import { allowHeaderFiltering, createHeaderFilterExpressions } from './utils';
+import {
+  allowHeaderFiltering,
+  createHeaderFilterExpressions,
+  getHeaderFilterGroupParameters,
+} from './utils';
 
 const DATE_INTERVAL_FORMATS = {
   year(value) {
@@ -83,7 +87,7 @@ function ungroupUTCDates(items, dateParts?, dates?) {
 export function convertDataFromUTCToLocal(data, column) {
   const dates = ungroupUTCDates(data);
   const query = dataQuery(dates);
-  const group = gridCoreUtils.getHeaderFilterGroupParameters({
+  const group = getHeaderFilterGroupParameters({
     ...column,
     calculateCellValue: (date) => date,
   });
@@ -251,7 +255,7 @@ export class HeaderFilterController extends Modules.ViewController {
   public getDataSource(column) {
     const dataSourceAdapter = this.dataSourceController.getAdapter();
     const remoteGrouping = this.dataSourceController.remoteOperations().grouping;
-    const group = gridCoreUtils.getHeaderFilterGroupParameters(column, remoteGrouping);
+    const group = getHeaderFilterGroupParameters(column, remoteGrouping);
     const headerFilterDataSource = column.headerFilter?.dataSource;
     const headerFilterOptions = this.option('headerFilter');
     let isLookup = false;

@@ -0,0 +1,14 @@
+export type EmptyDateValue = '' | false;
+
+export type HeaderFilterGroupSelector = (data: unknown) => unknown;
+
+export interface HeaderFilterGroupDescriptor {
+  selector: string | HeaderFilterGroupSelector | undefined;
+  groupInterval?: string | number;
+  isExpanded?: boolean;
+  compare?: (value1: unknown, value2: unknown) => number;
+}
+
+export type HeaderFilterGroupItem = HeaderFilterGroupDescriptor | HeaderFilterGroupSelector;
+
+export type HeaderFilterGroup = HeaderFilterGroupSelector | HeaderFilterGroupItem[];
@@ -1,8 +1,14 @@
+import type { HeaderFilterGroupInterval } from '@js/common/grids';
+import { each } from '@js/core/utils/iterator';
+import { isDefined, isString } from '@js/core/utils/type';
+import sharedFiltering from '@js/ui/shared/filtering';
 import type { Column } from '@ts/grids/grid_core/columns_controller/types';
 import type { DataFilter } from '@ts/grids/grid_core/filter/types';
 import { combineFilters, isColumnExcluded } from '@ts/grids/grid_core/filter/utils';
 import gridCoreUtils from '@ts/grids/grid_core/m_utils';
 
+import type { EmptyDateValue, HeaderFilterGroup, HeaderFilterGroupItem } from './types';
+
 export const allowHeaderFiltering = (
   column: Column,
 ): boolean | undefined => column.allowHeaderFiltering ?? column.allowFiltering;
@@ -62,3 +68,92 @@ export const createHeaderFilterExpressions = (
     && hasHeaderFilterValues(column)
     && !isColumnExcluded(column, excludedColumn))
   .map(createHeaderFilterExpression);
+
+const DATE_INTERVAL_SELECTORS = {
+  year(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && value.getFullYear();
+  },
+  month(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && (value.getMonth() + 1);
+  },
+  day(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && value.getDate();
+  },
+  quarter(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && (Math.floor(value.getMonth() / 3) + 1);
+  },
+  hour(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && value.getHours();
+  },
+  minute(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && value.getMinutes();
+  },
+  second(value: Date | EmptyDateValue): number | EmptyDateValue {
+    return value && value.getSeconds();
+  },
+};
+
+const getIntervalSelector = function getIntervalSelector(
+  this: Column & Required<Pick<Column, 'calculateCellValue'>>,
+  interval: HeaderFilterGroupInterval | number,
+  data: unknown,
+): number | EmptyDateValue | null | undefined {
+  const value = this.calculateCellValue(data);
+
+  if (!isDefined(value)) {
+    return null;
+  }
+
+  if (gridCoreUtils.isDateType(this.dataType) && isString(interval)) {
+    return DATE_INTERVAL_SELECTORS[interval](value);
+  }
+
+  if (this.dataType === 'number') {
+    const groupInterval = Number(interval);
+    return Math.floor(Number(value) / groupInterval) * groupInterval;
+  }
+
+  return undefined;
+};
+
+export function getHeaderFilterGroupParameters(
+  column: Column & Required<Pick<Column, 'calculateCellValue'>>,
+  remoteGrouping?: boolean,
+): HeaderFilterGroup {
+  const dataField = column.dataField || column.name;
+  const groupInterval = sharedFiltering.getGroupInterval(column);
+
+  if (groupInterval) {
+    const result: HeaderFilterGroupItem[] = [];
+
+    each(groupInterval, (index, interval) => {
+      result.push(remoteGrouping ? {
+        selector: dataField,
+        groupInterval: interval,
+        isExpanded: index < groupInterval.length - 1,
+        // @ts-expect-error getGroupInterval() types interval names and numbers as string[]
+      } : getIntervalSelector.bind(column, interval));
+    });
+
+    return result;
+  }
+
+  if (remoteGrouping) {
+    return [{ selector: dataField, isExpanded: false }];
+  }
+
+  const selector = (data: unknown): unknown => {
+    const cellValue = column.calculateCellValue(data);
+
+    if (cellValue === undefined || cellValue === '') {
+      return null;
+    }
+    return cellValue;
+  };
+
+  if (column.sortingMethod) {
+    return [{ selector, compare: column.sortingMethod.bind(column) }];
+  }
+
+  return selector;
+}