Fix text display & change line offset for scrollToBottomRequested in PackageModificationDialog

StabilityMatrix.Avalonia/ViewModels/Dialogs/InstallerViewModel.cs

@@ -69,9 +69,11 @@ public partial class InstallerViewModel : ContentDialogViewModelBase
     private bool isAdvancedMode;
 
     [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(CanInstall))]
     private bool showDuplicateWarning;
 
     [ObservableProperty]
+    [NotifyPropertyChangedFor(nameof(CanInstall))]
     private string? installName;
 
     [ObservableProperty]
@@ -108,6 +110,8 @@ public partial class InstallerViewModel : ContentDialogViewModelBase
         AvailableVersionTypes.HasFlag(PackageVersionType.GithubRelease);
     public bool ShowTorchVersionOptions => SelectedTorchVersion != TorchVersion.None;
 
+    public bool CanInstall => !string.IsNullOrWhiteSpace(InstallName) && !ShowDuplicateWarning;
+
     public ProgressViewModel InstallProgress { get; } = new();
     public IEnumerable<IPackageStep> Steps { get; set; }
 
@@ -303,7 +307,7 @@ public partial class InstallerViewModel : ContentDialogViewModelBase
             version ??= AvailableVersions.FirstOrDefault(x => x.TagName == "main");
 
             // If still not found, just use the first one
-            version ??= AvailableVersions[0];
+            version ??= AvailableVersions.FirstOrDefault();
 
             SelectedVersion = version;
         }
@@ -388,14 +392,14 @@ public partial class InstallerViewModel : ContentDialogViewModelBase
                         return;
 
                     AvailableCommits = new ObservableCollection<GitCommit>(commits);
-                    SelectedCommit = AvailableCommits[0];
+                    SelectedCommit = AvailableCommits.FirstOrDefault();
                     UpdateSelectedVersionToLatestMain();
                 }
 
                 InstallName = SelectedPackage.DisplayName;
                 LatestVersionText = IsReleaseMode
-                    ? $"Latest version: {SelectedVersion.TagName}"
-                    : $"Branch: {SelectedVersion.TagName}";
+                    ? $"Latest version: {SelectedVersion?.TagName}"
+                    : $"Branch: {SelectedVersion?.TagName}";
             })
             .SafeFireAndForget();
     }

StabilityMatrix.Avalonia/Views/Dialogs/InstallerDialog.axaml

@@ -197,7 +197,7 @@
                 Content="Install"
                 Command="{Binding InstallCommand}"
                 FontSize="20"
-                IsEnabled="{Binding !ShowDuplicateWarning}"
+                IsEnabled="{Binding CanInstall}"
                 HorizontalAlignment="Center"
                 Classes="success"
                 Margin="4,0,8,0"

StabilityMatrix.Avalonia/Views/Dialogs/PackageModificationDialog.axaml

@@ -13,8 +13,9 @@
         <TextBlock Grid.Row="0" Text="{Binding Text}"
                    FontSize="16"
                    Margin="4"
+                   TextWrapping="WrapWithOverflow"
                    TextAlignment="Center"
-                   HorizontalAlignment="Center"/>
+                   HorizontalAlignment="Stretch"/>
         
         <TextBlock Grid.Row="1" Text="{Binding Description}"
                    Margin="4"
@@ -49,7 +50,6 @@
         
         <Button Grid.Row="5" Content="Close"
                 FontSize="20"
-                Margin="8"
                 HorizontalAlignment="Center"
                 Command="{Binding OnCloseButtonClick}"/>
     </Grid>

StabilityMatrix.Avalonia/Views/Dialogs/PackageModificationDialog.axaml.cs

@@ -43,7 +43,7 @@ public partial class PackageModificationDialog : UserControlBase
                 var editor = this.FindControl<TextEditor>("Console");
                 if (editor?.Document == null)
                     return;
-                var line = Math.Max(editor.Document.LineCount - 5, 1);
+                var line = Math.Max(editor.Document.LineCount - 1, 1);
                 editor.ScrollToLine(line);
             });
         };