From 24a7093674af3f902be11917350805e851c488f9 Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Wed, 21 Sep 2022 17:33:03 +0200
Subject: [PATCH] Ensured, that last minute changes are written to disk

---
 .../UI WinForms/Components/Translation.cs     | 17 ++++++++-----
 I18N Commander/UI WinForms/Main.Designer.cs   |  1 +
 I18N Commander/UI WinForms/Main.cs            | 24 +++++++++++++++++++
 3 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/I18N Commander/UI WinForms/Components/Translation.cs b/I18N Commander/UI WinForms/Components/Translation.cs
index 8536f08..28fefe1 100644
--- a/I18N Commander/UI WinForms/Components/Translation.cs	
+++ b/I18N Commander/UI WinForms/Components/Translation.cs	
@@ -50,12 +50,6 @@ public sealed partial class Translation : UserControl
         }
     }
 
-    private async void SaveChanges(object? sender, ElapsedEventArgs e)
-    {
-        if (this.currentTranslationId > -1)
-            await TranslationProcessor.SaveChangedTranslation(this.currentTranslationId, this.textBox.Text);
-    }
-
     public async Task Configure(DataModel.Database.Translation translation)
     {
         this.isLoading = true;
@@ -78,5 +72,16 @@ public sealed partial class Translation : UserControl
             this.saveTimer.Stop();
         
         this.saveTimer.Start();
+        if(this.ParentForm is UI_WinForms.Main main)
+            main.AddDeferredSaveOperation(this.currentTranslationId, () => this.SaveChanges(null, null));
+    }
+    
+    private async void SaveChanges(object? sender, ElapsedEventArgs e)
+    {
+        if (this.currentTranslationId > -1)
+            await TranslationProcessor.SaveChangedTranslation(this.currentTranslationId, this.textBox.Text);
+        
+        if(this.ParentForm is UI_WinForms.Main main)
+            main.RemoveDeferredSaveOperation(this.currentTranslationId);
     }
 }
\ No newline at end of file
diff --git a/I18N Commander/UI WinForms/Main.Designer.cs b/I18N Commander/UI WinForms/Main.Designer.cs
index edf901e..de086d5 100644
--- a/I18N Commander/UI WinForms/Main.Designer.cs	
+++ b/I18N Commander/UI WinForms/Main.Designer.cs	
@@ -52,6 +52,7 @@
             this.Name = "Main";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "I18N Commander";
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Main_FormClosing);
             this.ResumeLayout(false);
 
         }
diff --git a/I18N Commander/UI WinForms/Main.cs b/I18N Commander/UI WinForms/Main.cs
index 70a2881..0e42dbd 100644
--- a/I18N Commander/UI WinForms/Main.cs	
+++ b/I18N Commander/UI WinForms/Main.cs	
@@ -2,8 +2,32 @@ namespace UI_WinForms;
 
 public partial class Main : Form
 {
+    private readonly Dictionary<int, Action> deferredSaveOperations = new();
+
     public Main()
     {
         this.InitializeComponent();
     }
+
+    private void Main_FormClosing(object sender, FormClosingEventArgs e)
+    {
+        foreach (var (_, action) in this.deferredSaveOperations)
+            action();
+        
+        this.deferredSaveOperations.Clear();
+    }
+    
+    internal void AddDeferredSaveOperation(int id, Action action)
+    {
+        if (this.deferredSaveOperations.ContainsKey(id))
+            this.deferredSaveOperations.Remove(id);
+        
+        this.deferredSaveOperations.Add(id, action);
+    }
+    
+    internal void RemoveDeferredSaveOperation(int id)
+    {
+        if (this.deferredSaveOperations.ContainsKey(id))
+            this.deferredSaveOperations.Remove(id);
+    }
 }
\ No newline at end of file