Scheduler: T1308870 - startDate popup toolbar items should remain visible when allDay and repeat switches are toggled (#31938)

Author: sjbur

packages/devextreme/js/__internal/scheduler/appointment_popup/appointment_popup.test.ts

@@ -719,6 +719,33 @@ describe('Appointment popup form', () => {
       doneButton = POM.popup.getDoneButton();
       expect(doneButton.getAttribute('aria-label')).toBe('Done');
     });
+
+    it('(T1308870): startDate popup toolbar items should remain visible when allDay and repeat switches are toggled', async () => {
+      const { scheduler } = await createScheduler({
+        dataSource: [],
+        views: ['week'],
+        currentView: 'week',
+        currentDate: new Date(2017, 4, 25),
+      });
+
+      scheduler.showAppointmentPopup();
+
+      const appointmentForm = scheduler._appointmentForm.dxForm;
+      const startDate = appointmentForm.getEditor('startDate');
+      const toolbarItemsBefore = startDate._getPopupToolbarItems();
+
+      const allDay = appointmentForm.getEditor('allDay');
+      allDay.option('value', true);
+
+      const repeat = appointmentForm.getEditor('repeat');
+      repeat.option('value', true);
+
+      const startDateAfter = appointmentForm.getEditor('startDate');
+      const toolbarItemsAfter = startDateAfter._getPopupToolbarItems();
+
+      expect(toolbarItemsBefore.length).toBe(3);
+      expect(toolbarItemsAfter.length).toBe(3);
+    });
   });
 
   describe('Appointment Popup and Recurrence Editor visibility', () => {

packages/devextreme/js/__internal/scheduler/appointment_popup/m_form.ts

@@ -454,6 +454,7 @@ export class AppointmentForm {
       editorOptions: {
         stylingMode: getStylingModeFunc(),
         width: '100%',
+        applyValueMode: 'useButtons',
         calendarOptions: {
           firstDayOfWeek,
         },