[ADF-1714] added selection mechanism for enter key pressed on datatable (#3157)

lib/core/datatable/components/datatable/datatable.component.html

@@ -85,6 +85,7 @@
                      [attr.filename]="getFilename(row)"
                      tabindex="0"
                      (click)="onRowClick(row, $event)"
+                     (keydown.enter)="onEnterKeyPressed(row, $event)"
                      [context-menu]="getContextMenuActions(row, col)"
                      [context-menu-enabled]="contextMenu">
                     <div *ngIf="!col.template" class="cell-container">

lib/core/datatable/components/datatable/datatable.component.spec.ts

@@ -234,6 +234,50 @@ describe('DataTable', () => {
         expect(rows[1].isSelected).toBeTruthy();
     });
 
+    it('should select only one row with [single] selection mode pressing enter key', () => {
+        dataTable.selectionMode = 'single';
+        dataTable.data = new ObjectDataTableAdapter(
+            [
+                { name: '1' },
+                { name: '2' }
+            ],
+            [ new ObjectDataColumn({ key: 'name'}) ]
+        );
+        const rows = dataTable.data.getRows();
+
+        dataTable.ngOnChanges({});
+        dataTable.onEnterKeyPressed(rows[0], null);
+        expect(rows[0].isSelected).toBeTruthy();
+        expect(rows[1].isSelected).toBeFalsy();
+
+        dataTable.onEnterKeyPressed(rows[1], null);
+        expect(rows[0].isSelected).toBeFalsy();
+        expect(rows[1].isSelected).toBeTruthy();
+    });
+
+    it('should select multiple rows with [multiple] selection mode pressing enter key', () => {
+        dataTable.selectionMode = 'multiple';
+        dataTable.data = new ObjectDataTableAdapter(
+            [
+                { name: '1' },
+                { name: '2' }
+            ],
+            [ new ObjectDataColumn({ key: 'name'}) ]
+        );
+        const rows = dataTable.data.getRows();
+
+        const event = new KeyboardEvent('enter', {
+            metaKey: true
+        });
+
+        dataTable.ngOnChanges({});
+        dataTable.onEnterKeyPressed(rows[0], event);
+        dataTable.onEnterKeyPressed(rows[1], event);
+
+        expect(rows[0].isSelected).toBeTruthy();
+        expect(rows[1].isSelected).toBeTruthy();
+    });
+
     it('should not unselect the row with [single] selection mode', () => {
         dataTable.selectionMode = 'single';
         dataTable.data = new ObjectDataTableAdapter(

lib/core/datatable/components/datatable/datatable.component.ts

@@ -292,6 +292,19 @@ export class DataTableComponent implements AfterContentInit, OnChanges, DoCheck
         }
 
         if (row) {
+            this.handleRowSelection(row, e);
+            const dataRowEvent = new DataRowEvent(row, e, this);
+            this.clickObserver.next(dataRowEvent);
+        }
+    }
+
+    onEnterKeyPressed(row: DataRow, e: KeyboardEvent) {
+        if (row) {
+            this.handleRowSelection(row, e);
+        }
+    }
+
+    private handleRowSelection(row: DataRow, e: KeyboardEvent | MouseEvent) {
         if (this.data) {
             if (this.isSingleSelectionMode()) {
                 this.resetSelection();
@@ -311,10 +324,6 @@ export class DataTableComponent implements AfterContentInit, OnChanges, DoCheck
                 this.emitRowSelectionEvent(domEventName, row);
             }
         }
-
-            const dataRowEvent = new DataRowEvent(row, e, this);
-            this.clickObserver.next(dataRowEvent);
-        }
     }
 
     resetSelection(): void {