Update views when switching

PBGitCommitController.m

@@ -112,6 +112,11 @@
 	self.files = files;
 }
 
+- (void) updateView
+{
+	[self refresh:nil];
+}
+
 - (void) doneProcessingIndex
 {
 	if (!--self.busy)

PBGitHistoryController.m

@@ -173,6 +173,11 @@
 	[repository.revisionList reload];
 }
 
+- (void) updateView
+{
+	[self refresh:nil];
+}
+
 - (void) selectCommit: (NSString*) commit
 {
 	NSPredicate* selection = [NSPredicate predicateWithFormat:@"realSha == %@", commit];

PBGitWindowController.m

@@ -60,11 +60,16 @@
 		case 0:	// swap in the "CustomImageViewController - NSImageView"
 			if (!historyViewController)
 				historyViewController = [[PBGitHistoryController alloc] initWithRepository:repository superController:self];
+			else
+				[historyViewController updateView];
 			viewController = historyViewController;
 			break;
 		case 1:
 			if (!commitViewController)
 				commitViewController = [[PBGitCommitController alloc] initWithRepository:repository superController:self];
+			else
+				[commitViewController updateView];
+
 			viewController = commitViewController;
 			break;
 	}

PBViewController.h

@@ -22,4 +22,5 @@
 
 - (id)initWithRepository:(PBGitRepository *)theRepository superController:(PBGitWindowController *)controller;
 - (void) removeView;
+- (void) updateView;
 @end

PBViewController.m

@@ -34,4 +34,10 @@
 - (void) awakeFromNib
 {
 }
+
+// This is called when the view is displayed again; it 
+// should be updated to show the most recent information
+- (void) updateView
+{
+}
 @end