Add menu items allowing you to view remote branches and tags. Hat tip…

… to dysinger for the initial work on this.

ApplicationController.rb

@@ -33,6 +33,9 @@ class ApplicationController < OSX::NSObject
   ib_outlet :branch_field
   ib_outlet :tab_panel
   ib_outlet :extras_segment
+  ib_outlet :local_branches_menu
+  ib_outlet :remote_branches_menu
+  ib_outlet :tags_menu
 
   def applicationDidFinishLaunching(sender)
     @window.makeKeyAndOrderFront(self)
@@ -43,16 +46,19 @@ def applicationShouldTerminateAfterLastWindowClosed(notification)
   end
 
   def awakeFromNib
-    repo
-    @window.delegate = self
-    column = @commits_table.tableColumns[0]
-    cell = CommitSummaryCell.alloc.init
-    column.dataCell = cell
+    if repo
+      @window.delegate = self
+      column = @commits_table.tableColumns[0]
+      cell = CommitSummaryCell.alloc.init
+      column.dataCell = cell
 
-    @main_view.setFrameSize(@main_canvas.frame.size)
-    @main_canvas.addSubview(@main_view)    
+      @main_view.setFrameSize(@main_canvas.frame.size)
+      @main_canvas.addSubview(@main_view)    
 
-    @branch_field.cell.setBackgroundStyle(NSBackgroundStyleRaised)
+      @branch_field.cell.setBackgroundStyle(NSBackgroundStyleRaised)
+
+      setup_refs_view_menu
+    end
   end
 
   def repo
@@ -74,4 +80,26 @@ def swap_tab(segment)
     tag = %w(commits network)[segment.cell.tagForSegment(segment.selectedSegment)]
     @tab_panel.selectTabViewItemWithIdentifier(tag)
   end
+
+  private
+    def setup_refs_view_menu
+      [@local_branches_menu, @remote_branches_menu, @tags_menu].each { |m| m.submenu.setAutoenablesItems(false) }
+
+      heads = repo.heads.sort_by do |head|
+        head.name == 'master' ? "***" : head.name
+      end
+
+      add_menu_item = lambda do |refs, menu|
+        refs.each_with_index do |head, index|
+          item = NSMenuItem.alloc.initWithTitle_action_keyEquivalent(head.name, :swap_branch, index.to_s)
+          item.setEnabled(true)
+          item.setTarget(@commits_controller)
+          menu.submenu.addItem(item)
+        end
+      end
+
+      add_menu_item.call(heads, @local_branches_menu)
+      add_menu_item.call(repo.remotes, @remote_branches_menu)
+      add_menu_item.call(repo.tags, @tags_menu)
+    end
 end

CommitsController.rb

@@ -40,7 +40,7 @@ def awakeFromNib
     if fetch_git_repository
       fetch_git_branch
       setup_commit_detail_view
-      fetch_commits_for @branch, @offset
+      fetch_commits_for(@branch, @offset)
       setup_branches_menu
       setup_paging_control
       @commits_table.reloadData
@@ -211,12 +211,19 @@ def update_main_document
   def refresh
     current_commit = active_commit && active_commit.id
     @branch = @branch_select.titleOfSelectedItem
-    fetch_commits_for @branch, @offset
+    fetch_commits_for(@branch, @offset)
 
     @commits_table.reloadData
     select_latest_commit
   end
 
+  def swap_branch(foo)
+    @branch = foo.title
+    fetch_commits_for(@branch, @offset)
+    @commits_table.reloadData
+    select_latest_commit
+  end
+
 
   private