Introduced MPDatabaseController to handle file load/saveing

MacPass/MPDatabaseController.h

@@ -0,0 +1,29 @@
+//
+//  MPDatabaseController.h
+//  MacPass
+//
+//  Created by michael starke on 13.02.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@class MPDatabaseDocument;
+
+
+typedef enum{
+  MPDatabaseVersion1,
+  MPDatabaseVersion2
+} MPDatabaseVersion;
+
+
+@interface MPDatabaseController : NSObject
+
+@property (retain, readonly) MPDatabaseDocument *database;
+
++ (MPDatabaseController *)defaultController;
+
+- (MPDatabaseDocument *)createDatabase:(MPDatabaseVersion )version password:(NSString *)password keyfile:(NSURL *)key;
+- (MPDatabaseDocument *)openDatabase:(NSURL *)file password:(NSString *)password keyfile:(NSURL *)key;
+
+@end