DataServices 现场调试OK

2025-11-26 16:46:48 +08:00
parent 979afae645
commit 010272aa0b
31 changed files with 1866 additions and 267 deletions
--- a/FATrace.WPLApp/Utils/PasswordBoxAssistant.cs
+++ b/FATrace.WPLApp/Utils/PasswordBoxAssistant.cs
@@ -0,0 +1,73 @@
+using System.Windows;
+using System.Windows.Controls;
+
+namespace FATrace.WPLApp.Utils
+{
+    /// <summary>
+    /// 允许将 PasswordBox 的 Password 与 ViewModel 绑定
+    /// 用法：
+    ///   <PasswordBox utils:PasswordBoxAssistant.BindPassword="True"
+    ///                utils:PasswordBoxAssistant.BoundPassword="{Binding Password, Mode=TwoWay}" />
+    /// </summary>
+    public static class PasswordBoxAssistant
+    {
+        public static readonly DependencyProperty BoundPasswordProperty =
+            DependencyProperty.RegisterAttached("BoundPassword", typeof(string), typeof(PasswordBoxAssistant), new PropertyMetadata(string.Empty, OnBoundPasswordChanged));
+
+        public static readonly DependencyProperty BindPasswordProperty =
+            DependencyProperty.RegisterAttached("BindPassword", typeof(bool), typeof(PasswordBoxAssistant), new PropertyMetadata(false, OnBindPasswordChanged));
+
+        private static readonly DependencyProperty IsUpdatingProperty =
+            DependencyProperty.RegisterAttached("IsUpdating", typeof(bool), typeof(PasswordBoxAssistant));
+
+        public static string GetBoundPassword(DependencyObject dp) => (string)dp.GetValue(BoundPasswordProperty);
+        public static void SetBoundPassword(DependencyObject dp, string value) => dp.SetValue(BoundPasswordProperty, value);
+
+        public static bool GetBindPassword(DependencyObject dp) => (bool)dp.GetValue(BindPasswordProperty);
+        public static void SetBindPassword(DependencyObject dp, bool value) => dp.SetValue(BindPasswordProperty, value);
+
+        private static bool GetIsUpdating(DependencyObject dp) => (bool)dp.GetValue(IsUpdatingProperty);
+        private static void SetIsUpdating(DependencyObject dp, bool value) => dp.SetValue(IsUpdatingProperty, value);
+
+        private static void OnBoundPasswordChanged(DependencyObject dp, DependencyPropertyChangedEventArgs e)
+        {
+            if (dp is PasswordBox passwordBox)
+            {
+                passwordBox.PasswordChanged -= HandlePasswordChanged;
+                if (!(bool)GetIsUpdating(passwordBox))
+                {
+                    passwordBox.Password = e.NewValue?.ToString() ?? string.Empty;
+                }
+                passwordBox.PasswordChanged += HandlePasswordChanged;
+            }
+        }
+
+        private static void OnBindPasswordChanged(DependencyObject dp, DependencyPropertyChangedEventArgs e)
+        {
+            if (dp is PasswordBox passwordBox)
+            {
+                bool wasBound = (bool)(e.OldValue ?? false);
+                bool needBind = (bool)(e.NewValue ?? false);
+
+                if (wasBound)
+                {
+                    passwordBox.PasswordChanged -= HandlePasswordChanged;
+                }
+                if (needBind)
+                {
+                    passwordBox.PasswordChanged += HandlePasswordChanged;
+                }
+            }
+        }
+
+        private static void HandlePasswordChanged(object sender, RoutedEventArgs e)
+        {
+            if (sender is PasswordBox passwordBox)
+            {
+                SetIsUpdating(passwordBox, true);
+                SetBoundPassword(passwordBox, passwordBox.Password);
+                SetIsUpdating(passwordBox, false);
+            }
+        }
+    }
+}