Add a preferences window

This adds a preference window with default preferences to change the
sparkle options and to set a custom path to a git binary.

PBPrefsWindowController.m

@@ -0,0 +1,55 @@
+//
+//  PBPrefsWindowController.m
+//  GitX
+//
+//  Created by Christian Jacobsen on 02/10/2008.
+//  Copyright 2008 __MyCompanyName__. All rights reserved.
+//
+
+#import "PBPrefsWindowController.h"
+#import "PBGitRepository.h"
+
+@implementation PBPrefsWindowController
+
+# pragma mark DBPrefsWindowController overrides
+
+- (void)setupToolbar
+{
+	// GENERAL
+	[self addView:generalPrefsView label:@"General" image:[NSImage imageNamed:@"gitx"]];
+	// UPDATES
+	[self addView:updatesPrefsView label:@"Updates"];
+}
+
+#pragma mark -
+#pragma mark Delegate methods
+
+- (IBAction) checkGitValidity: sender
+{
+	// FIXME: This does not work reliably, probably due to: http://www.cocoabuilder.com/archive/message/cocoa/2008/9/10/217850
+	//[badGitPathIcon setHidden:[PBGitRepository validateGit:[[NSValueTransformer valueTransformerForName:@"PBNSURLPathUserDefaultsTransfomer"] reverseTransformedValue:[gitPathController URL]]]];
+}
+
+- (void)pathCell:(NSPathCell *)pathCell willDisplayOpenPanel:(NSOpenPanel *)openPanel
+{
+	[openPanel setCanChooseDirectories:NO];
+	[openPanel setCanChooseFiles:YES];
+	[openPanel setAllowsMultipleSelection:NO];
+	[openPanel setTreatsFilePackagesAsDirectories:YES];
+	[openPanel setAccessoryView:gitPathOpenAccessory];
+	//[[openPanel _navView] setShowsHiddenFiles:YES];
+
+	gitPathOpenPanel = openPanel;
+}
+
+#pragma mark -
+#pragma mark Git Path open panel actions
+
+- (IBAction) showHideAllFiles: sender
+{
+	/* FIXME: This uses undocumented OpenPanel features to show hidden files! */
+	NSNumber *showHidden = [NSNumber numberWithBool:[sender state] == NSOnState];
+	[[gitPathOpenPanel valueForKey:@"_navView"] setValue:showHidden forKey:@"showsHiddenFiles"];
+}
+
+@end