feature<Achive>: add git archive to commit's context menu

src/Views/Popups/Archive.xaml

@@ -0,0 +1,69 @@
+<controls:PopupWidget 
+    x:Class="SourceGit.Views.Popups.Archive"
+    x:Name="me"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+    xmlns:controls="clr-namespace:SourceGit.Views.Controls"
+    xmlns:validations="clr-namespace:SourceGit.Views.Validations"
+    mc:Ignorable="d" 
+    d:DesignWidth="500">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="32"/>
+            <RowDefinition Height="32"/>
+        </Grid.RowDefinitions>
+
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="150"/>
+            <ColumnDefinition Width="*"/>
+        </Grid.ColumnDefinitions>
+
+        <TextBlock
+            Grid.Row="0" Grid.Column="0"
+            Margin="0,0,8,0"
+            Text="{StaticResource Text.Archive.Revision}"
+            HorizontalAlignment="Right"/>
+        <StackPanel
+            Grid.Row="0" Grid.Column="1"
+            Orientation="Horizontal"
+            VerticalAlignment="Center">
+            <Path Width="14" Height="14" Data="{StaticResource Icon.Commit}"/>
+            <TextBlock x:Name="txtBased" Margin="8,0,0,0"/>
+        </StackPanel>
+
+        <TextBlock
+            Grid.Row="1" Grid.Column="0"
+            Margin="0,0,8,0"
+            Text="{StaticResource Text.Archive.File}"
+            HorizontalAlignment="Right"/>
+        <Grid Grid.Row="1" Grid.Column="1">
+            <Grid.ColumnDefinitions>
+                <ColumnDefinition Width="*"/>
+                <ColumnDefinition Width="Auto"/>
+            </Grid.ColumnDefinitions>
+
+            <controls:TextEdit
+                Grid.Column="0"
+                x:Name="txtSaveTo"
+                Height="24"
+                Placeholder="{StaticResource Text.Archive.File.Placeholder}">
+                <controls:TextEdit.Text>
+                    <Binding Path="SaveTo" ElementName="me" UpdateSourceTrigger="PropertyChanged" Mode="TwoWay">
+                        <Binding.ValidationRules>
+                            <validations:ArchiveFile/>
+                        </Binding.ValidationRules>
+                    </Binding>
+                </controls:TextEdit.Text>
+            </controls:TextEdit>
+            <Button 
+                Grid.Column="1"
+                Click="OpenFileBrowser"
+                Height="24" Width="24"
+                Margin="2,0,0,0">
+                <Path Width="14" Height="14" Data="{StaticResource Icon.Folder}"/>
+            </Button>
+        </Grid>
+    </Grid>
+</controls:PopupWidget>

src/Views/Popups/Archive.xaml.cs

@@ -0,0 +1,55 @@
+using Microsoft.Win32;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace SourceGit.Views.Popups {
+
+    /// <summary>
+    ///     存档操作面板
+    /// </summary>
+    public partial class Archive : Controls.PopupWidget {
+        private string repo;
+        private string revision;
+
+        public string SaveTo { get; set; } = "archive.zip";
+
+        public Archive(string repo, Models.Commit revision) {
+            this.repo = repo;
+            this.revision = revision.SHA;
+
+            InitializeComponent();
+
+            txtBased.Text = $"{revision.ShortSHA}  {revision.Subject}";
+        }
+
+        public override string GetTitle() {
+            return App.Text("Archive");
+        }
+
+        public override Task<bool> Start() {
+            txtSaveTo.GetBindingExpression(TextBox.TextProperty).UpdateSource();
+            if (Validation.GetHasError(txtSaveTo)) return null;
+
+            return Task.Run(() => {
+                Models.Watcher.SetEnabled(repo, false);
+                var succ = new Commands.Archive(repo, revision, SaveTo, UpdateProgress).Exec();
+                Models.Watcher.SetEnabled(repo, true);
+                return succ;
+            });
+        }
+
+        private void OpenFileBrowser(object sender, RoutedEventArgs e) {
+            var dialog = new OpenFileDialog();
+            dialog.Filter = "ZIP|*.zip";
+            dialog.Title = App.Text("Archive.File");
+            dialog.InitialDirectory = repo;
+            dialog.CheckFileExists = false;
+
+            if (dialog.ShowDialog() == true) {
+                SaveTo = dialog.FileName;
+                txtSaveTo.GetBindingExpression(TextBox.TextProperty).UpdateTarget();
+            }
+        }
+    }
+}

src/Views/Validations/ArchiveFile.cs

@@ -0,0 +1,12 @@
+using System.Globalization;
+using System.Windows.Controls;
+
+namespace SourceGit.Views.Validations {
+    public class ArchiveFile : ValidationRule {
+        public override ValidationResult Validate(object value, CultureInfo cultureInfo) {
+            var path = value as string;
+            if (string.IsNullOrEmpty(path) || !path.EndsWith(".zip")) return new ValidationResult(false, App.Text("BadArchiveFile"));
+            return ValidationResult.ValidResult;
+        }
+    }
+}

src/Views/Widgets/Histories.xaml.cs

@@ -348,6 +348,14 @@ namespace SourceGit.Views.Widgets {
                 }
             };
             menu.Items.Add(saveToPatch);
+
+            var archive = new MenuItem();
+            archive.Header = App.Text("CommitCM.Archive");
+            archive.Click += (o, e) => {
+                new Popups.Archive(repo.Path, commit).Show();
+                e.Handled = true;
+            };
+            menu.Items.Add(archive);
             menu.Items.Add(new Separator());
 
             var copySHA = new MenuItem();