fix(grid): Selecting only filtered rows #6260

Author: astaev

projects/igniteui-angular/src/lib/core/grid-selection.ts

@@ -1,5 +1,5 @@
 import { Injectable, EventEmitter, NgZone } from '@angular/core';
-import { IGridEditEventArgs } from '../grids/grid-base.component';
+import { IGridEditEventArgs, IgxGridBaseComponent } from '../grids/grid-base.component';
 
 export interface GridSelectionRange {
     rowStart: number;
@@ -688,7 +688,9 @@ export class IgxGridSelectionService {
     }
 
     private isFilteringApplied(): boolean {
-        return this.grid.filteringExpressionsTree.filteringOperands.length > 0;
+        const grid = this.grid as IgxGridBaseComponent;
+        return grid.filteringExpressionsTree.filteringOperands.length > 0 ||
+        grid.advancedFilteringExpressionsTree && grid.advancedFilteringExpressionsTree.filteringOperands.length > 0;
     }
 
     private isRowDeleted(rowID): boolean {

projects/igniteui-angular/src/lib/grids/grid/grid-row-selection.spec.ts

@@ -19,6 +19,8 @@ import { GridFunctions, GridSelectionFunctions } from '../../test-utils/grid-fun
 import { SampleTestData } from '../../test-utils/sample-test-data.spec';
 import { GridSelectionMode } from '../common/enums';
 import { IgxRowSelectorsModule } from '../igx-row-selectors.module';
+import { FilteringExpressionsTree } from '../../data-operations/filtering-expressions-tree';
+import { FilteringLogic } from '../../data-operations/filtering-expression.interface';
 
 const DEBOUNCETIME = 30;
 
@@ -1671,6 +1673,40 @@ describe('IgxGrid - Row Selection #grid', () => {
             expect(grid.getRowByIndex(1).selected).toBeTruthy();
             expect(grid.onRowSelectionChange.emit).toHaveBeenCalledTimes(6);
         }));
+
+        fit('Should select only filtered records', async() => {
+            grid.height = '1100px';
+            const tree = new FilteringExpressionsTree(FilteringLogic.And);
+            tree.filteringOperands.push({
+                fieldName: 'UnitsInStock',
+                searchVal: 0,
+                condition: IgxNumberFilteringOperand.instance().condition('greaterThan'),
+            });
+            tree.filteringOperands.push({
+                fieldName: 'ProductName',
+                searchVal: 'a',
+                condition: IgxStringFilteringOperand.instance().condition('contains'),
+                ignoreCase: true
+            });
+            grid.advancedFilteringExpressionsTree = tree;
+            GridSelectionFunctions.headerCheckboxClick(grid);
+            fix.detectChanges();
+            grid.cdr.detectChanges();
+            await wait();
+
+            expect(grid.rowList.length).toBe(9);
+            expect(grid.selectedRows().length).toBe(9);
+            GridSelectionFunctions.verifyHeaderRowCheckboxState(grid, true, false);
+
+            grid.advancedFilteringExpressionsTree = null;
+            fix.detectChanges();
+            grid.cdr.detectChanges();
+            await wait();
+
+            expect(grid.rowList.length).toBe(19);
+            expect(grid.selectedRows().length).toBe(9);
+            GridSelectionFunctions.verifyHeaderRowCheckboxState(grid, false, true);
+        });
     });
 
     describe('Integration with CRUD and transactions', () => {