Added a multi-line state to the text elements

I18N Commander/Processor/TextElementProcessor.cs

@@ -26,7 +26,7 @@ public static class TextElementProcessor
     }
 
     // Adds a new text element:
-    public static async Task<ProcessorResult<TextElement>> AddTextElement(string? currentSectionKey, string elementName)
+    public static async Task<ProcessorResult<TextElement>> AddTextElement(string? currentSectionKey, string elementName, bool isMultiLine)
     {
         await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
         
@@ -45,6 +45,7 @@ public static class TextElementProcessor
             Name = elementName,
             Code = code,
             Section = currentSection,
+            IsMultiLine = isMultiLine,
         };
         
         // Add the new element to the database:
@@ -62,15 +63,31 @@ public static class TextElementProcessor
         }
     }
     
-    // Renames a text element:
-    public static async Task<ProcessorResult<TextElement>> RenameTextElement(int id, string newName)
+    // Updates the multi-line flag of a text element:
+    public static async Task<ProcessorResult<TextElement>> UpdateTextElementState(int id, bool isMultiLine)
     {
         await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
-        
         var textElement = await db.TextElements.FirstAsync(n => n.Id == id);
-        if (textElement is null)
-            throw new ArgumentOutOfRangeException(nameof(id));
+        textElement.IsMultiLine = isMultiLine;
         
+        try
+        {
+            // Save the changes:
+            await db.SaveChangesAsync();
+            return new ProcessorResult<TextElement>(textElement);
+        }
+        catch (DbUpdateException updateException)
+        {
+            return updateException.ToProcessorResult<TextElement>();
+        }
+    }
+    
+    // Renames a text element:
+    public static async Task<ProcessorResult<TextElement>> RenameTextElement(int id, string newName, bool isMultiLine)
+    {
+        await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
+        var textElement = await db.TextElements.FirstAsync(n => n.Id == id);
+
         // Get the corresponding section:
         var section = (await db.TextElements.FirstAsync(n => n.Id == id)).Section;
         
@@ -79,6 +96,7 @@ public static class TextElementProcessor
         
         textElement.Name = newName;
         textElement.Code = code;
+        textElement.IsMultiLine = isMultiLine;
         
         // Save the changes:
         try