refactor: remove ViewModels.GotoParentSelector since there are no observable datas

Signed-off-by: leo <longshuang@msn.cn>

src/ViewModels/GotoParentSelector.cs

@@ -1,25 +0,0 @@
-using System.Collections.Generic;
-
-namespace SourceGit.ViewModels
-{
-    public class GotoParentSelector
-    {
-        public List<Models.Commit> Parents
-        {
-            get;
-        }
-
-        public GotoParentSelector(Histories owner, List<Models.Commit> parents)
-        {
-            Parents = parents;
-            _owner = owner;
-        }
-
-        public void Sure(Models.Commit commit)
-        {
-            _owner.NavigateTo(commit.SHA);
-        }
-
-        private Histories _owner;
-    }
-}

src/Views/GotoParentSelector.axaml

@@ -4,11 +4,9 @@
                     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                     xmlns:m="using:SourceGit.Models"
                     xmlns:v="using:SourceGit.Views"
-                    xmlns:vm="using:SourceGit.ViewModels"
                     xmlns:c="using:SourceGit.Converters"
                     mc:Ignorable="d" d:DesignWidth="520" d:DesignHeight="230"
                     x:Class="SourceGit.Views.GotoParentSelector"
-                    x:DataType="vm:GotoParentSelector"
                     x:Name="ThisControl"
                     Icon="/App.ico"
                     Title="{DynamicResource Text.GotoParentSelector}"
@@ -39,16 +37,15 @@
     </Grid>
     
     <ListBox Grid.Row="1"
+             x:Name="ParentList"
              Focusable="True"
              Margin="8" Padding="4"
-             ItemsSource="{Binding Parents}"
              SelectionMode="AlwaysSelected"
              BorderThickness="0"
              Background="Transparent"
              Grid.IsSharedSizeScope="True"
              ScrollViewer.HorizontalScrollBarVisibility="Disabled"
              ScrollViewer.VerticalScrollBarVisibility="Disabled"
-             Loaded="OnListLoaded"
              KeyDown="OnListKeyDown">
         <ListBox.Styles>
           <Style Selector="ListBoxItem">

src/Views/GotoParentSelector.axaml.cs

@@ -12,9 +12,10 @@ namespace SourceGit.Views
             InitializeComponent();
         }
 
-        private void OnListLoaded(object sender, RoutedEventArgs e)
+        protected override void OnLoaded(RoutedEventArgs e)
         {
-            (sender as ListBox)?.Focus();
+            base.OnLoaded(e);
+            ParentList.Focus();
         }
 
         private void OnListKeyDown(object sender, KeyEventArgs e)
@@ -22,14 +23,10 @@ namespace SourceGit.Views
             if (e is not { Key: Key.Enter, KeyModifiers: KeyModifiers.None })
                 return;
 
-            if (DataContext is not ViewModels.GotoParentSelector vm)
-                return;
-
             if (sender is not ListBox { SelectedItem: Models.Commit commit })
                 return;
 
-            vm.Sure(commit);
-            Close();
+            Close(commit);
             e.Handled = true;
         }
 
@@ -38,10 +35,7 @@ namespace SourceGit.Views
             if (sender is not Control { DataContext: Models.Commit commit })
                 return;
 
-            if (DataContext is ViewModels.GotoParentSelector vm)
-                vm.Sure(commit);
-
-            Close();
+            Close(commit);
             e.Handled = true;
         }
     }

src/Views/Histories.axaml.cs

@@ -173,11 +173,10 @@ namespace SourceGit.Views
             if (selected[0] is not Models.Commit { Parents.Count: > 0 } commit)
                 return;
 
-            e.Handled = true;
-
             if (commit.Parents.Count == 1)
             {
                 vm.NavigateTo(commit.Parents[0]);
+                e.Handled = true;
                 return;
             }
 
@@ -190,9 +189,20 @@ namespace SourceGit.Views
             }
 
             if (parents.Count == 1)
+            {
                 vm.NavigateTo(parents[0].SHA);
-            else if (parents.Count > 1)
-                await App.ShowDialog(new ViewModels.GotoParentSelector(vm, parents));
+            }
+            else if (parents.Count > 1 && TopLevel.GetTopLevel(this) is Window owner)
+            {
+                var dialog = new GotoParentSelector();
+                dialog.ParentList.ItemsSource = parents;
+
+                var c = await dialog.ShowDialog<Models.Commit>(owner);
+                if (c != null)
+                    vm.NavigateTo(c.SHA);
+            }
+
+            e.Handled = true;
         }
 
         private void OnCommitListLayoutUpdated(object _1, EventArgs _2)