[gitg] Let current view handle reloading when repository changes

[Ignacio Casal Quinteiro <icq src gnome org>]

commit ed3e11efc32b23cbf882ca3998ddfda857bcd667
Author: Techlive Zheng <techlivezheng gmail com>
Date:   Thu May 23 22:23:15 2013 +0800

    Let current view handle reloading when repository changes
    
    This way is really cheap and quick without going throhgh all the user
    interface rebuilding process, just let the view handle the reloading
    itself, the view should know what is best.

 gitg/gitg-window.vala             |    6 ++++--
 libgitg-ext/gitg-ext-view.vala    |    2 ++
 plugins/history/gitg-history.vala |    7 +++++++
 3 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/gitg/gitg-window.vala b/gitg/gitg-window.vala
index 136bb11..e798c8d 100644
--- a/gitg/gitg-window.vala
+++ b/gitg/gitg-window.vala
@@ -205,8 +205,10 @@ public class Window : Gtk.ApplicationWindow, GitgExt.Application, Initable, Gtk.
 
        private void on_reload_activated()
        {
-               this.repository = new Gitg.Repository(this.repository.get_location(),
-                                                     null);
+               d_repository = new Gitg.Repository(this.repository.get_location(),
+                                                  null);
+               notify_property("repository");
+               d_views.current.reload();
        }
 
        private void on_clone_repository()
diff --git a/libgitg-ext/gitg-ext-view.vala b/libgitg-ext/gitg-ext-view.vala
index c8303bb..dbef416 100644
--- a/libgitg-ext/gitg-ext-view.vala
+++ b/libgitg-ext/gitg-ext-view.vala
@@ -56,6 +56,8 @@ public enum ViewAction
  */
 public interface View : Object, UIElement
 {
+       public abstract void reload();
+
        /**
         * Give the view itself a chance to perform some actions after being
         * activated.
diff --git a/plugins/history/gitg-history.vala b/plugins/history/gitg-history.vala
index c8b77b8..a1e69df 100644
--- a/plugins/history/gitg-history.vala
+++ b/plugins/history/gitg-history.vala
@@ -170,6 +170,13 @@ namespace GitgHistory
                        d_navigation.select_first();
                }
 
+               public void reload()
+               {
+                       d_navigation.model.reload();
+                       d_navigation.expand_all();
+                       d_navigation.select_first();
+               }
+
                private void build_ui()
                {
                        var ret = GitgExt.UI.from_builder("history/view-history.ui",