feature(Submodule): supports git submodule

SourceGit/UI/AddSubmodule.xaml.cs

@@ -0,0 +1,71 @@
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace SourceGit.UI {
+
+    /// <summary>
+    ///     Dialog to add new submodule.
+    /// </summary>
+    public partial class AddSubmodule : UserControl {
+        private Git.Repository repo = null;
+
+        /// <summary>
+        ///     Submodule's repository URL.
+        /// </summary>
+        public string RepoURL { get; set; }
+
+        /// <summary>
+        ///     Submodule's relative path.
+        /// </summary>
+        public string LocalPath { get; set; }
+
+        /// <summary>
+        ///     Constructor.
+        /// </summary>
+        /// <param name="opened"></param>
+        public AddSubmodule(Git.Repository opened) {
+            repo = opened;
+            InitializeComponent();
+        }
+
+        /// <summary>
+        ///     Show this dialog.
+        /// </summary>
+        /// <param name="repo"></param>
+        public static void Show(Git.Repository repo) {
+            PopupManager.Show(new AddSubmodule(repo));
+        }
+
+        #region EVENTS
+        private void SelectFolder(object sender, RoutedEventArgs e) {
+            var dialog = new System.Windows.Forms.FolderBrowserDialog();
+            dialog.Description = "Select Folder To Clone Repository";
+            dialog.SelectedPath = repo.Path;
+            dialog.ShowNewFolderButton = true;
+
+            if (dialog.ShowDialog() == System.Windows.Forms.DialogResult.OK) {
+                txtPath.Text = dialog.SelectedPath;
+            }
+        }
+
+        private async void Sure(object sender, RoutedEventArgs e) {
+            txtRepoUrl.GetBindingExpression(TextBox.TextProperty).UpdateSource();
+            if (Validation.GetHasError(txtRepoUrl)) return;
+
+            txtPath.GetBindingExpression(TextBox.TextProperty).UpdateSource();
+            if (Validation.GetHasError(txtPath)) return;
+
+            var recursive = chkRecursive.IsChecked == true;
+
+            PopupManager.Lock();
+            await Task.Run(() => repo.AddSubmodule(RepoURL, LocalPath, recursive, PopupManager.UpdateStatus));
+            PopupManager.Close(true);
+        }
+
+        private void Cancel(object sender, RoutedEventArgs e) {
+            PopupManager.Close();
+        }
+        #endregion
+    }
+}