From 71936e5dcf139ec0e8069192de693835e5b7138e Mon Sep 17 00:00:00 2001
From: Thorsten Sommer <mail@tsommer.org>
Date: Sat, 23 Jul 2022 21:21:48 +0200
Subject: [PATCH] Implemented the delete function for text elements

---
 .../Processor/TextElementProcessor.cs         | 19 +++++++++++++++++++
 .../UI WinForms/Components/TextElements.cs    | 13 ++++++++++++-
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/I18N Commander/Processor/TextElementProcessor.cs b/I18N Commander/Processor/TextElementProcessor.cs
index 8c63e17..7f30adc 100644
--- a/I18N Commander/Processor/TextElementProcessor.cs	
+++ b/I18N Commander/Processor/TextElementProcessor.cs	
@@ -91,4 +91,23 @@ public static class TextElementProcessor
             return updateException.ToProcessorResult<TextElement>();
         }
     }
+    
+    // Deletes a text element:
+    public static async Task DeleteTextElement(int id)
+    {
+        await using var db = ProcessorMeta.ServiceProvider.GetRequiredService<DataContext>();
+        var textElement = await db.TextElements.FirstAsync(n => n.Id == id);
+
+        // Remove the element from the database:
+        db.TextElements.Remove(textElement);
+        
+        try
+        {
+            // Save the changes:
+            await db.SaveChangesAsync();
+        }
+        catch (DbUpdateException updateException)
+        {
+        }
+    }
 }
\ No newline at end of file
diff --git a/I18N Commander/UI WinForms/Components/TextElements.cs b/I18N Commander/UI WinForms/Components/TextElements.cs
index aa6e354..abed227 100644
--- a/I18N Commander/UI WinForms/Components/TextElements.cs	
+++ b/I18N Commander/UI WinForms/Components/TextElements.cs	
@@ -102,9 +102,20 @@ public partial class TextElements : UserControl
         this.column.AutoResize(ColumnHeaderAutoResizeStyle.ColumnContent);
     }
 
-    private void buttonRemove_Click(object sender, EventArgs e)
+    private async void buttonRemove_Click(object sender, EventArgs e)
     {
+        if(this.DesignMode || this.currentTextElement is null)
+            return;
 
+        // Ask the user, if he really wants to remove the text element:
+        if(MessageBox.Show(this.currentTextElement.Translations.Count > 0 ? $"Are you sure, you want to remove the text element '{this.currentTextElement.Name}', its {this.currentTextElement.Translations.Count} translations and so on?" : $"Are you sure, you want to remove the text element '{this.currentTextElement.Name}'?", "Remove text element", MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.No)
+            return;
+        
+        // Remove the text element1 from the database:
+        await TextElementProcessor.DeleteTextElement(this.currentTextElement.Id);
+
+        // Reload the data:
+        await this.LoadTextElements();
     }
     
     private async void buttonRename_Click(object sender, EventArgs e)