From 3c365a58397ea0e554f1188f2b9c3c3892e302f1 Mon Sep 17 00:00:00 2001
From: pizzaboxer <pizzaboxer@pizzaboxer.xyz>
Date: Mon, 24 Jul 2023 16:38:50 +0100
Subject: [PATCH] FastFlag editor: prevent duplicate additions

---
 .../Menu/Pages/FastFlagEditorPage.xaml        |  2 +-
 .../Menu/Pages/FastFlagEditorPage.xaml.cs     | 38 ++++++++++++++-----
 2 files changed, 30 insertions(+), 10 deletions(-)

diff --git a/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml b/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml
index 8bca461..2e053ec 100644
--- a/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml
+++ b/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml
@@ -32,7 +32,7 @@
                     </Style>
                 </ui:Button.Style>
             </ui:Button>
-            <ToggleButton Content="Show preset flags" Click="ToggleButton_Click" Margin="12,0,0,0" />
+            <ToggleButton x:Name="TogglePresetsButton" Content="Show preset flags" Click="ToggleButton_Click" Margin="12,0,0,0" />
         </StackPanel>
 
         <DataGrid Name="DataGrid" Grid.Row="2" HeadersVisibility="Column" GridLinesVisibility="Horizontal" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" CellEditEnding="DataGrid_CellEditEnding">
diff --git a/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml.cs b/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml.cs
index f355295..112c49c 100644
--- a/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml.cs
+++ b/Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml.cs
@@ -126,19 +126,39 @@ namespace Bloxstrap.UI.Elements.Menu.Pages
             if (dialog.Result != MessageBoxResult.OK)
                 return;
 
-            var entry = new FastFlag
-            {
-                // Enabled = true,
-                Name = dialog.FlagNameTextBox.Text,
-                Value = dialog.FlagValueTextBox.Text
-            };
+            string name = dialog.FlagNameTextBox.Text;
+            
+            FastFlag? entry;
 
-            _fastFlagList.Add(entry);
+            if (App.FastFlags.GetValue(name) is null)
+            {
+                entry = new FastFlag
+                {
+                    // Enabled = true,
+                    Name = dialog.FlagNameTextBox.Text,
+                    Value = dialog.FlagValueTextBox.Text
+                };
+
+                _fastFlagList.Add(entry);
+
+                App.FastFlags.SetValue(entry.Name, entry.Value);
+            }
+            else
+            {
+                Controls.ShowMessageBox("An entry for this FastFlag already exists.", MessageBoxImage.Information);
+
+                if (!_showPresets && FastFlagManager.PresetFlags.Values.Contains(dialog.FlagNameTextBox.Text))
+                {
+                    _showPresets = true;
+                    TogglePresetsButton.IsChecked = true;
+                    ReloadList();
+                }
+
+                entry = _fastFlagList.Where(x => x.Name == name).FirstOrDefault();
+            }
 
             DataGrid.SelectedItem = entry;
             DataGrid.ScrollIntoView(entry);
-
-            App.FastFlags.SetValue(entry.Name, entry.Value);
         }
 
         private void DeleteButton_Click(object sender, RoutedEventArgs e)