Implemented the DeepL translation API

I18N Commander/UI WinForms/Components/Translation.Designer.cs

@@ -89,6 +89,7 @@
             this.buttonDeepL.TabIndex = 2;
             this.toolTip.SetToolTip(this.buttonDeepL, "Auto-generate this text by using DeepL sourced by the source culture.");
             this.buttonDeepL.UseVisualStyleBackColor = true;
+            this.buttonDeepL.Click += new System.EventHandler(this.buttonDeepL_Click);
             // 
             // toolTip
             // 

I18N Commander/UI WinForms/Components/Translation.cs

@@ -10,10 +10,12 @@ public sealed partial class Translation : UserControl
 {
     private readonly string culture = "en-US";
     private readonly Timer saveTimer;
+    private readonly Timer translationTimer;
     
     private bool isLoading = false;
     private int currentTranslationId = -1;
     private bool isDeepLSourceCulture = false;
+    private Translation? mainCultureTranslation = null;
 
     public Translation()
     {
@@ -30,10 +32,17 @@ public sealed partial class Translation : UserControl
         this.saveTimer = new Timer
         {
             Enabled = false, // disable timer for now,
-            Interval = 1_000, // 1 second interval
+            Interval = 1_000, // 1 second interval,
+            AutoReset = false, // runs only once
+        };
+        this.translationTimer = new Timer
+        {
+            Enabled = false, // disable timer for now,
+            Interval = 1_600, // 1.6 second interval,
             AutoReset = false, // runs only once
         };
         this.saveTimer.Elapsed += this.SaveChanges;
+        this.translationTimer.Elapsed += this.TriggerTranslateNow;
         this.Load += async (sender, args) => await this.LateSetup(cultureInfo);
     }
 
@@ -47,6 +56,8 @@ public sealed partial class Translation : UserControl
         {
             this.labelHead.Text = $"Culture: {cultureInfo.Code} (DeepL source culture)";
             this.toolTip.SetToolTip(this.buttonDeepL, "Replaces all other translations by DeepL translations using this culture as source culture.\nWarning: already translated texts will be replaced as well.");
+            if(this.Parent.Parent is Translations translations)
+                translations.RegisterMainCultureTranslationComponent(this);
         }
     }
 
@@ -86,6 +97,13 @@ public sealed partial class Translation : UserControl
         this.saveTimer.Start();
         if(this.ParentForm is UI_WinForms.Main main)
             main.AddDeferredSaveOperation(this.currentTranslationId, () => this.SaveChanges(null, null));
+
+        if (this.isDeepLSourceCulture && await AppSettings.GetDeepLAction() == SettingDeepLAction.AUTOMATIC_ALL)
+        {
+            if (this.translationTimer.Enabled)
+                this.translationTimer.Stop();
+            this.translationTimer.Start();
+        }
     }
     
     private async void SaveChanges(object? sender, ElapsedEventArgs e)
@@ -96,4 +114,37 @@ public sealed partial class Translation : UserControl
         if(this.ParentForm is UI_WinForms.Main main)
             main.RemoveDeferredSaveOperation(this.currentTranslationId);
     }
+
+    private async void TriggerTranslateNow(object? sender, ElapsedEventArgs e)
+    {
+        if (this.currentTranslationId < 0 || this.isDeepLSourceCulture == false)
+            return;
+        
+        if(this.Parent.Parent is Translations translations)
+            await translations.MainCultureWasChanged();
+    }
+
+    internal void SetMainCultureTranslation(Translation translation) => this.mainCultureTranslation = translation;
+    
+    internal string GetCurrentText() => this.textBox.Text;
+    
+    internal async Task Translate()
+    {
+        if (this.mainCultureTranslation is null)
+            return;
+        
+        var text = await Processor.DeepL.Translate(this.mainCultureTranslation.GetCurrentText(), this.culture);
+        if (this.textBox.InvokeRequired)
+            this.textBox.Invoke(() => this.textBox.Text = text);
+        else
+            this.textBox.Text = text;
+    }
+
+    private async void buttonDeepL_Click(object sender, EventArgs e)
+    {
+        if (this.isDeepLSourceCulture)
+            this.TriggerTranslateNow(null, null);
+        else
+            await this.Translate();
+    }
 }

I18N Commander/UI WinForms/Components/Translations.cs

@@ -1,4 +1,5 @@
-using Processor;
+using DataModel.Database;
+using Processor;
 using Timer = System.Timers.Timer;
 
 namespace UI_WinForms.Components;
@@ -8,6 +9,8 @@ public partial class Translations : UserControl
     private readonly Dictionary<string, Translation> translationComponents = new();
     private readonly Timer clearTimer;
 
+    private Translation? mainCulture = null;
+
     public Translations()
     {
         this.InitializeComponent();
@@ -87,4 +90,26 @@ public partial class Translations : UserControl
             this.panelTranslations.Controls.Add(translationComponent);
         }
     }
+
+    internal void RegisterMainCultureTranslationComponent(Translation trans)
+    {
+        this.mainCulture = trans;
+        
+        // Register the main culture translation component into all the other
+        // translation components:
+        foreach (var (_, translation) in this.translationComponents.Where(n => n.Value != trans))
+            translation.SetMainCultureTranslation(trans);
+    }
+
+    internal async Task MainCultureWasChanged()
+    {
+        if(this.mainCulture is null || await AppSettings.GetDeepLMode() == SettingDeepLMode.DISABLED || await AppSettings.GetDeepLAction() == SettingDeepLAction.MANUAL)
+            return;
+
+        var allTasks = new List<Task>();
+        foreach (var (_, translation) in this.translationComponents.Where(n => n.Value != this.mainCulture))
+            allTasks.Add(translation.Translate());
+
+        await Task.WhenAll(allTasks);
+    }
 }