From 6335bcdc934fd9eee6157562e561134ec15e5ea8 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Wed, 6 May 2026 16:42:38 +0200
Subject: [PATCH] Add in-built editors for `DateTime` and `TimeSpan`

---
 .../CustomEditors/Editors/TimeSpanEditor.cs   | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Source/Editor/CustomEditors/Editors/TimeSpanEditor.cs

diff --git a/Source/Editor/CustomEditors/Editors/TimeSpanEditor.cs b/Source/Editor/CustomEditors/Editors/TimeSpanEditor.cs
new file mode 100644
index 000000000..ec42527e3
--- /dev/null
+++ b/Source/Editor/CustomEditors/Editors/TimeSpanEditor.cs
@@ -0,0 +1,90 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+using FlaxEngine;
+using FlaxEngine.GUI;
+using System;
+
+namespace FlaxEditor.CustomEditors.Editors
+{
+    /// <summary>
+    /// Default implementation of the inspector used to edit TimeSpan value type properties.
+    /// </summary>
+    [CustomEditor(typeof(TimeSpan)), DefaultEditor]
+    class TimeSpanEditor : CustomEditor
+    {
+        private TextBox _textBox;
+        private bool _isRefreshing;
+
+        /// <inheritdoc />
+        public override DisplayStyle Style => DisplayStyle.Inline;
+
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            if (HasDifferentTypes)
+                return;
+
+            _textBox = layout.Custom<TextBox>().CustomControl;
+            _textBox.EditEnd += OnEditEnd;
+        }
+
+        private void OnEditEnd()
+        {
+            if (_isRefreshing)
+                return;
+            if (TimeSpan.TryParse(_textBox.Text, out var timeSpan))
+                SetValue(timeSpan);
+        }
+
+        /// <inheritdoc />
+        public override void Refresh()
+        {
+            base.Refresh();
+
+            _isRefreshing = true;
+            _textBox.Text = HasDifferentValues ? "Multiple Values" : ((TimeSpan)Values[0]).ToString("g");
+            _isRefreshing = false;
+        }
+    }
+
+    /// <summary>
+    /// Default implementation of the inspector used to edit DateTime value type properties.
+    /// </summary>
+    [CustomEditor(typeof(DateTime)), DefaultEditor]
+    class DateTimeEditor : CustomEditor
+    {
+        private TextBox _textBox;
+        private bool _isRefreshing;
+
+        /// <inheritdoc />
+        public override DisplayStyle Style => DisplayStyle.Inline;
+
+        /// <inheritdoc />
+        public override void Initialize(LayoutElementsContainer layout)
+        {
+            if (HasDifferentTypes)
+                return;
+
+            _textBox = layout.Custom<TextBox>().CustomControl;
+            _textBox.EditEnd += OnEditEnd;
+        }
+
+        private void OnEditEnd()
+        {
+            if (_isRefreshing)
+                return;
+            if (DateTime.TryParse(_textBox.Text, out var timeSpan))
+                SetValue(timeSpan);
+        }
+
+        /// <inheritdoc />
+        public override void Refresh()
+        {
+            base.Refresh();
+
+            _isRefreshing = true;
+            _textBox.Text = HasDifferentValues ? "Multiple Values" : ((DateTime)Values[0]).ToString("g");
+            _isRefreshing = false;
+        }
+    }
+}