feat: enable 1-click switch between pickers when open (#6785)

packages/date-picker/src/vaadin-date-picker-mixin.js

@@ -567,6 +567,12 @@ export const DatePickerMixin = (subclass) =>
         }
       });
 
+      content.addEventListener('focusout', (event) => {
+        if (this._shouldRemoveFocus(event)) {
+          this._setFocused(false);
+        }
+      });
+
       // Two-way data binding for `focusedDate` property
       content.addEventListener('focused-date-changed', (e) => {
         this._focusedDate = e.detail.value;
@@ -650,12 +656,27 @@ export const DatePickerMixin = (subclass) =>
      * - when moving focus to the overlay content,
      * - when closing on date click / outside click.
      *
-     * @param {!FocusEvent} _event
+     * @param {FocusEvent} event
      * @return {boolean}
      * @protected
      * @override
      */
-    _shouldRemoveFocus(_event) {
+    _shouldRemoveFocus(event) {
+      // Remove the focused state when clicking outside on a focusable element that is deliberately
+      // made targetable with pointer-events: auto, such as the time-picker in the date-time-picker.
+      // In this scenario, focus will move straight to that element and the closing overlay won't
+      // attempt to restore focus to the input.
+      const { relatedTarget } = event;
+      if (
+        this.opened &&
+        relatedTarget !== null &&
+        relatedTarget !== document.body &&
+        !this.contains(relatedTarget) &&
+        !this._overlayContent.contains(relatedTarget)
+      ) {
+        return true;
+      }
+
       return !this.opened;
     }
 

packages/date-time-picker/src/vaadin-date-time-picker.js

@@ -413,6 +413,7 @@ class DateTimePicker extends FieldMixin(DisabledMixin(FocusMixin(ThemableMixin(E
 
     this.__changeEventHandler = this.__changeEventHandler.bind(this);
     this.__valueChangedEventHandler = this.__valueChangedEventHandler.bind(this);
+    this.__openedChangedEventHandler = this.__openedChangedEventHandler.bind(this);
   }
 
   /** @private */
@@ -521,16 +522,24 @@ class DateTimePicker extends FieldMixin(DisabledMixin(FocusMixin(ThemableMixin(E
     this.__dispatchChangeForValue = undefined;
   }
 
+  /** @private */
+  __openedChangedEventHandler() {
+    const opened = this.__datePicker.opened || this.__timePicker.opened;
+    this.style.pointerEvents = opened ? 'auto' : '';
+  }
+
   /** @private */
   __addInputListeners(node) {
     node.addEventListener('change', this.__changeEventHandler);
     node.addEventListener('value-changed', this.__valueChangedEventHandler);
+    node.addEventListener('opened-changed', this.__openedChangedEventHandler);
   }
 
   /** @private */
   __removeInputListeners(node) {
     node.removeEventListener('change', this.__changeEventHandler);
     node.removeEventListener('value-changed', this.__valueChangedEventHandler);
+    node.removeEventListener('opened-changed', this.__openedChangedEventHandler);
   }
 
   /** @private */

packages/date-time-picker/test/basic.test.js

@@ -1,7 +1,8 @@
 import { expect } from '@vaadin/chai-plugins';
-import { aTimeout, fixtureSync, focusin, focusout, nextFrame, nextRender } from '@vaadin/testing-helpers';
+import { aTimeout, fixtureSync, focusin, focusout, nextFrame, nextRender, outsideClick } from '@vaadin/testing-helpers';
+import { sendKeys } from '@web/test-runner-commands';
 import sinon from 'sinon';
-import '../vaadin-date-time-picker.js';
+import '../src/vaadin-date-time-picker.js';
 import { changeInputValue } from './helpers.js';
 
 const fixtures = {
@@ -102,6 +103,52 @@ describe('Basic features', () => {
     });
   });
 
+  describe('pointer-events', () => {
+    it('should not have by default', () => {
+      expect(dateTimePicker.style.pointerEvents).to.be.empty;
+    });
+
+    it('should set to `auto` when opening date-picker', async () => {
+      datePicker.click();
+      await nextRender();
+      expect(dateTimePicker.style.pointerEvents).to.equal('auto');
+    });
+
+    it('should remove when closing date-picker', async () => {
+      datePicker.click();
+      await nextRender();
+      outsideClick();
+      expect(dateTimePicker.style.pointerEvents).to.be.empty;
+    });
+
+    it('should set to `auto` when opening time-picker', async () => {
+      timePicker.click();
+      await nextRender();
+      expect(dateTimePicker.style.pointerEvents).to.equal('auto');
+    });
+
+    it('should remove when closing time-picker', async () => {
+      timePicker.click();
+      await nextRender();
+      outsideClick();
+      expect(dateTimePicker.style.pointerEvents).to.be.empty;
+    });
+
+    it('should keep `auto` when switching between pickers', async () => {
+      datePicker.click();
+      await nextRender();
+      expect(dateTimePicker.style.pointerEvents).to.equal('auto');
+
+      timePicker.click();
+      await nextRender();
+      expect(dateTimePicker.style.pointerEvents).to.equal('auto');
+
+      datePicker.click();
+      await nextRender();
+      expect(dateTimePicker.style.pointerEvents).to.equal('auto');
+    });
+  });
+
   describe('focused', () => {
     it('should set focused attribute on date-picker focusin', () => {
       focusin(datePicker);
@@ -140,6 +187,61 @@ describe('Basic features', () => {
     });
   });
 
+  describe('date-picker focused', () => {
+    it('should remove focused attribute on time-picker click', async () => {
+      datePicker.focus();
+      datePicker.click();
+      await nextRender();
+      expect(datePicker.hasAttribute('focused')).to.be.true;
+
+      timePicker.focus();
+      timePicker.click();
+      expect(datePicker.hasAttribute('focused')).to.be.false;
+    });
+
+    it('should remove focus-ring attribute on time-picker click', async () => {
+      // Focus the date-picker with the keyboard
+      await sendKeys({ press: 'Tab' });
+      // Open the overlay with the keyboard
+      await sendKeys({ press: 'ArrowDown' });
+      await nextRender();
+      expect(datePicker.hasAttribute('focus-ring')).to.be.true;
+
+      timePicker.focus();
+      timePicker.click();
+      expect(datePicker.hasAttribute('focus-ring')).to.be.false;
+    });
+  });
+
+  describe('time-picker focused', () => {
+    it('should remove focused attribute on date-picker click', async () => {
+      timePicker.focus();
+      timePicker.click();
+      await nextRender();
+      expect(timePicker.hasAttribute('focused')).to.be.true;
+
+      datePicker.focus();
+      datePicker.click();
+      await nextRender();
+      expect(timePicker.hasAttribute('focused')).to.be.false;
+    });
+
+    it('should remove focus-ring attribute on date-picker click', async () => {
+      // Focus the time-picker with the keyboard
+      await sendKeys({ press: 'Tab' });
+      await sendKeys({ press: 'Tab' });
+      // Open the overlay with the keyboard
+      await sendKeys({ press: 'ArrowDown' });
+      await nextRender();
+      expect(timePicker.hasAttribute('focus-ring')).to.be.true;
+
+      datePicker.focus();
+      datePicker.click();
+      await nextRender();
+      expect(timePicker.hasAttribute('focus-ring')).to.be.false;
+    });
+  });
+
   describe('change event', () => {
     let spy;