From 528eb7daecca247488fd3df0eefc65776e12944a Mon Sep 17 00:00:00 2001
From: Dong Bin <14807942+rabbitism@users.noreply.github.com>
Date: Sun, 1 Oct 2023 09:22:51 +0800
Subject: [PATCH] Add Clear function to Date and Time pickers. (#13082)

* feat: add Clear function to Date and Time pickers.

* feat: update comment wording.

---------

Co-authored-by: rabbitism <dongbin@irihi.tech>
---
 .../CalendarDatePicker/CalendarDatePicker.cs              | 8 ++++++++
 src/Avalonia.Controls/DateTimePickers/DatePicker.cs       | 8 ++++++++
 src/Avalonia.Controls/DateTimePickers/TimePicker.cs       | 8 ++++++++
 3 files changed, 24 insertions(+)

diff --git a/src/Avalonia.Controls/CalendarDatePicker/CalendarDatePicker.cs b/src/Avalonia.Controls/CalendarDatePicker/CalendarDatePicker.cs
index 679ac4a853..d37b51bee5 100644
--- a/src/Avalonia.Controls/CalendarDatePicker/CalendarDatePicker.cs
+++ b/src/Avalonia.Controls/CalendarDatePicker/CalendarDatePicker.cs
@@ -918,5 +918,13 @@ namespace Avalonia.Controls
         {
             return !string.IsNullOrWhiteSpace(formatString);
         }
+
+        /// <summary>
+        /// Clear <see cref="SelectedDate"/>.
+        /// </summary>
+        public void Clear()
+        {
+            SetCurrentValue(SelectedDateProperty, null);
+        }
     }
 }
diff --git a/src/Avalonia.Controls/DateTimePickers/DatePicker.cs b/src/Avalonia.Controls/DateTimePickers/DatePicker.cs
index f3faef26dd..92b8671b51 100644
--- a/src/Avalonia.Controls/DateTimePickers/DatePicker.cs
+++ b/src/Avalonia.Controls/DateTimePickers/DatePicker.cs
@@ -410,5 +410,13 @@ namespace Avalonia.Controls
         {
             SelectedDateChanged?.Invoke(sender, e);
         }
+
+        /// <summary>
+        /// Clear <see cref="SelectedDate"/>.
+        /// </summary>
+        public void Clear()
+        {
+            SetCurrentValue(SelectedDateProperty, null);
+        }
     }
 }
diff --git a/src/Avalonia.Controls/DateTimePickers/TimePicker.cs b/src/Avalonia.Controls/DateTimePickers/TimePicker.cs
index 0046e1de52..acc7808251 100644
--- a/src/Avalonia.Controls/DateTimePickers/TimePicker.cs
+++ b/src/Avalonia.Controls/DateTimePickers/TimePicker.cs
@@ -283,5 +283,13 @@ namespace Avalonia.Controls
             _popup!.Close();
             SetCurrentValue(SelectedTimeProperty, _presenter!.Time);
         }
+
+        /// <summary>
+        /// Clear <see cref="SelectedTime"/>.
+        /// </summary>
+        public void Clear()
+        {
+            SetCurrentValue(SelectedTimeProperty, null);
+        }
     }
 }