From ce3f88312310a420d530495cf21f6c5f565eafd5 Mon Sep 17 00:00:00 2001
From: leo <longshuang@msn.cn>
Date: Fri, 13 Aug 2021 19:24:46 +0800
Subject: [PATCH] optimize<Welcome>: dereference Launcher from its child widget
 Welcome

---
 src/Views/Launcher.xaml.cs        |  1 +
 src/Views/Widgets/Welcome.xaml.cs | 11 +++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/Views/Launcher.xaml.cs b/src/Views/Launcher.xaml.cs
index a5617934..acaba972 100644
--- a/src/Views/Launcher.xaml.cs
+++ b/src/Views/Launcher.xaml.cs
@@ -96,6 +96,7 @@ namespace SourceGit.Views {
         #region TAB_OPERATION
         private void OnTabAdding(object sender, Widgets.PageTabBar.TabEventArgs e) {
             var page = new Widgets.Welcome();
+            page.OnNodeEdited += node => tabs.Update(node.Id, node.Bookmark, node.Name);
             container.Add(e.TabId, page);
             Controls.PopupWidget.RegisterContainer(e.TabId, page);
         }
diff --git a/src/Views/Widgets/Welcome.xaml.cs b/src/Views/Widgets/Welcome.xaml.cs
index bd5977aa..7426d52f 100644
--- a/src/Views/Widgets/Welcome.xaml.cs
+++ b/src/Views/Widgets/Welcome.xaml.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.IO;
@@ -12,6 +13,7 @@ namespace SourceGit.Views.Widgets {
     ///     新标签页
     /// </summary>
     public partial class Welcome : UserControl, Controls.IPopupContainer {
+
         /// <summary>
         ///     树节点数据
         /// </summary>
@@ -44,6 +46,11 @@ namespace SourceGit.Views.Widgets {
             public List<Node> Children { get; set; }
         }
 
+        /// <summary>
+        ///     仓库节点编辑事件参数
+        /// </summary>
+        public event Action<Node> OnNodeEdited;
+
         public Welcome() {
             InitializeComponent();
             UpdateTree();
@@ -144,7 +151,7 @@ namespace SourceGit.Views.Widgets {
                             if (repo != null) {
                                 repo.Bookmark = refIdx;
                                 node.Bookmark = refIdx;
-                                (Application.Current.MainWindow as Launcher)?.tabs.Update(node.Id, refIdx, node.Name);
+                                OnNodeEdited?.Invoke(node);
                             }
                             ev.Handled = true;
                         };
@@ -400,7 +407,7 @@ namespace SourceGit.Views.Widgets {
                     Models.Preference.Instance.RenameGroup(node.Id, edit.Text);
                 } else {
                     Models.Preference.Instance.RenameRepository(node.Id, node.Name);
-                    (Application.Current.MainWindow as Launcher)?.tabs.Update(node.Id, node.Bookmark, edit.Text);
+                    OnNodeEdited?.Invoke(node);
                 }
                 e.Handled = false;
             }