From 966b707165e89201e125815159a9a28374574c4c Mon Sep 17 00:00:00 2001
From: croire <1432593898@qq.com>
Date: Sun, 19 Dec 2021 00:51:20 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E8=AE=BE=E7=BD=AE=E4=B8=AD?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=91=BD=E5=90=8D=E6=A0=BC=E5=BC=8F=E7=9A=84?=
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---
 DownKyi.Core/Settings/SettingsManager.Video.cs   |  2 +-
 .../ViewModels/Settings/ViewVideoViewModel.cs    | 16 ++++++++++++++++
 DownKyi/Views/Settings/ViewVideo.xaml            |  2 ++
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/DownKyi.Core/Settings/SettingsManager.Video.cs b/DownKyi.Core/Settings/SettingsManager.Video.cs
index 4c307a0..aa50f59 100644
--- a/DownKyi.Core/Settings/SettingsManager.Video.cs
+++ b/DownKyi.Core/Settings/SettingsManager.Video.cs
@@ -240,7 +240,7 @@ namespace DownKyi.Core.Settings
         public List<FileNamePart> GetFileNameParts()
         {
             appSettings = GetSettings();
-            if (appSettings.Video.FileNameParts == null)
+            if (appSettings.Video.FileNameParts == null || appSettings.Video.FileNameParts.Count == 0)
             {
                 // 第一次获取，先设置默认值
                 SetFileNameParts(fileNameParts);
diff --git a/DownKyi/ViewModels/Settings/ViewVideoViewModel.cs b/DownKyi/ViewModels/Settings/ViewVideoViewModel.cs
index 9dbb9e9..5f47ece 100644
--- a/DownKyi/ViewModels/Settings/ViewVideoViewModel.cs
+++ b/DownKyi/ViewModels/Settings/ViewVideoViewModel.cs
@@ -85,6 +85,13 @@ namespace DownKyi.ViewModels.Settings
             set => SetProperty(ref optionalFields, value);
         }
 
+        private int selectedOptionalField;
+        public int SelectedOptionalField
+        {
+            get => selectedOptionalField;
+            set => SetProperty(ref selectedOptionalField, value);
+        }
+
         #endregion
 
 
@@ -112,6 +119,8 @@ namespace DownKyi.ViewModels.Settings
                 OptionalFields.Add(new DisplayFileNamePart { Id = item, Title = display });
             }
 
+            SelectedOptionalField = -1;
+
             #endregion
 
         }
@@ -279,6 +288,11 @@ namespace DownKyi.ViewModels.Settings
         /// <param name="parameter"></param>
         private void ExecuteOptionalFieldsCommand(object parameter)
         {
+            if (SelectedOptionalField == -1)
+            {
+                return;
+            }
+
             SelectedFileName.Add((DisplayFileNamePart)parameter);
 
             List<FileNamePart> fileName = new List<FileNamePart>();
@@ -289,6 +303,8 @@ namespace DownKyi.ViewModels.Settings
 
             bool isSucceed = SettingsManager.GetInstance().SetFileNameParts(fileName);
             PublishTip(isSucceed);
+
+            SelectedOptionalField = -1;
         }
 
 
diff --git a/DownKyi/Views/Settings/ViewVideo.xaml b/DownKyi/Views/Settings/ViewVideo.xaml
index 49d2a53..eba06b7 100644
--- a/DownKyi/Views/Settings/ViewVideo.xaml
+++ b/DownKyi/Views/Settings/ViewVideo.xaml
@@ -160,6 +160,7 @@
                         x:Name="nameSelectedFileName"
                         Grid.Row="0"
                         Grid.Column="1"
+                        MinHeight="30"
                         Margin="0,0,0,20"
                         ItemContainerStyle="{StaticResource TagItem2Style}"
                         ItemsSource="{Binding SelectedFileName, Mode=TwoWay}"
@@ -184,6 +185,7 @@
                         Grid.Column="1"
                         ItemContainerStyle="{StaticResource TagItem2Style}"
                         ItemsSource="{Binding OptionalFields, Mode=TwoWay}"
+                        SelectedIndex="{Binding SelectedOptionalField}"
                         SelectionMode="Single"
                         Style="{StaticResource Tag2Style}">
                         <i:Interaction.Triggers>