Stubbed entry proxy to enable better model editing behaviour

MacPass/MPEntryProxy.h

@@ -0,0 +1,25 @@
+//
+//  MPEntryProxy.h
+//  MacPass
+//
+//  Created by Michael Starke on 07/03/16.
+//  Copyright © 2016 HicknHack Software GmbH. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+/*
+ Proxies the display of an entry to enable discardable changes to the entry
+ */
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class KPKEntry;
+
+@interface MPEntryProxy : NSProxy
+
+- (instancetype)initWithEntry:(KPKEntry *)entry;
+
+@end
+
+NS_ASSUME_NONNULL_END

MacPass/MPEntryProxy.m

@@ -0,0 +1,36 @@
+//
+//  MPEntryProxy.m
+//  MacPass
+//
+//  Created by Michael Starke on 07/03/16.
+//  Copyright © 2016 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "MPEntryProxy.h"
+#import <KeePassKit/KeePassKit.h>
+
+@interface MPEntryProxy ()
+
+@property (strong) KPKEntry *entry;
+
+@end
+
+@implementation MPEntryProxy
+
+- (instancetype)initWithEntry:(KPKEntry *)entry {
+  if(!entry) {
+    @throw [NSException exceptionWithName:NSInvalidArgumentException reason:nil userInfo:nil];
+  }
+  _entry = entry;
+  return self;
+}
+
+- (void)forwardInvocation:(NSInvocation *)invocation {
+  [invocation invokeWithTarget:self.entry];
+}
+
+- (NSMethodSignature *)methodSignatureForSelector:(SEL)sel {
+  return [self.entry methodSignatureForSelector:sel];
+}
+
+@end