Added custom string field validation. Still needs testing for default keys

MacPass/Kdb4Entry+MPAdditions.h

@@ -0,0 +1,15 @@
+//
+//  Kdb4Entry+MPAdditions.h
+//  MacPass
+//
+//  Created by Michael Starke on 19.07.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "Kdb4Node.h"
+
+@interface Kdb4Entry (MPAdditions)
+
+- (NSString *)uniqueKeyForProposal:(NSString *)key;
+
+@end

MacPass/Kdb4Entry+MPAdditions.m

@@ -0,0 +1,29 @@
+//
+//  Kdb4Entry+MPAdditions.m
+//  MacPass
+//
+//  Created by Michael Starke on 19.07.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "Kdb4Entry+MPAdditions.h"
+
+@implementation Kdb4Entry (MPAdditions)
+
+- (NSString *)uniqueKeyForProposal:(NSString *)key {
+  /*
+   FIXME: Introduce some cachin behaviour. We iterate over after every single edit
+   */
+  NSMutableSet *keys = [[NSMutableSet alloc] initWithCapacity:[self.stringFields count]];
+  for(StringField *field in self.stringFields) {
+    [keys addObject:field.key];
+  }
+  NSUInteger counter = 1;
+  NSString *base = key;
+  while([keys containsObject:key]) {
+    key = [NSString stringWithFormat:@"%@-%ld", base, counter++];
+  }
+  return key;
+}
+
+@end

MacPass/MPCustomFieldTableViewDelegate.m

@@ -24,7 +24,8 @@
   [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_customFieldFrameChanged:) name:NSViewFrameDidChangeNotification object:view];
   if([self.viewController.selectedEntry isKindOfClass:[Kdb4Entry class]]) {
     StringField *stringField = entry.stringFields[row];
-    [view.labelTextField bind:NSValueBinding toObject:stringField withKeyPath:MPStringFieldKeyUndoableKey options:nil];
+    NSDictionary *validateOptions = @{ NSValidatesImmediatelyBindingOption: @YES };
+    [view.labelTextField bind:NSValueBinding toObject:stringField withKeyPath:MPStringFieldKeyUndoableKey options:validateOptions];
     [view.valueTextField bind:NSValueBinding toObject:stringField withKeyPath:MPStringFieldValueUndoableKey options:nil];
     [view.removeButton setTarget:self.viewController];
     [view.removeButton setAction:@selector(removeCustomField:)];

MacPass/MPDocument.m

@@ -19,14 +19,18 @@
 #import "Kdb4Node.h"
 #import "Kdb4Persist.h"
 #import "KdbPassword.h"
-#import "KdbGroup+Undo.h"
+
 #import "KdbGroup+KVOAdditions.h"
 #import "Kdb4Entry+KVOAdditions.h"
-#import "KdbGroup+MPTreeTools.h"
-#import "KdbGroup+MPAdditions.h"
+
 #import "KdbEntry+Undo.h"
+#import "KdbGroup+Undo.h"
+
 #import "Kdb3Tree+NewTree.h"
 #import "Kdb4Tree+NewTree.h"
+#import "Kdb4Entry+MPAdditions.h"
+#import "KdbGroup+MPTreeTools.h"
+#import "KdbGroup+MPAdditions.h"
 
 #import "DataOutputStream.h"
 
@@ -349,6 +353,7 @@ NSString *const MPDocumentGroupKey                    = @"MPDocumentGroupKey";
   Kdb4Entry *entryV4 = (Kdb4Entry *)entry;
   NSString *title = NSLocalizedString(@"DEFAULT_CUSTOM_FIELD_TITLE", @"Default Titel for new Custom-Fields");
   NSString *value = NSLocalizedString(@"DEFAULT_CUSTOM_FIELD_VALUE", @"Default Value for new Custom-Fields");
+  title = [entryV4 uniqueKeyForProposal:title];
   StringField *newStringField = [StringField stringFieldWithKey:title andValue:value];
   [self addStringField:newStringField toEntry:entryV4 atIndex:[entryV4.stringFields count]];
   return newStringField;
@@ -419,6 +424,7 @@ NSString *const MPDocumentGroupKey                    = @"MPDocumentGroupKey";
 - (void)addStringField:(StringField *)field toEntry:(Kdb4Entry *)entry atIndex:(NSUInteger)index {
   [[[self undoManager] prepareWithInvocationTarget:self] removeStringField:field formEntry:entry];
   [[self undoManager] setActionName:NSLocalizedString(@"UNDO_ADD_STRING_FIELD", @"Add Stringfield Undo")];
+  field.entry = entry;
   [entry insertObject:field inStringFieldsAtIndex:index];
 }
 
@@ -429,6 +435,7 @@ NSString *const MPDocumentGroupKey                    = @"MPDocumentGroupKey";
   }
   [[[self undoManager] prepareWithInvocationTarget:self] addStringField:field toEntry:entry atIndex:index];
   [[self undoManager] setActionName:NSLocalizedString(@"UNDO_DELETE_STRING_FIELD", @"Delte Stringfield undo")];
+  field.entry = nil;
   [entry removeObjectFromStringFieldsAtIndex:index];
 }
 

MacPass/StringField+Validation.h

@@ -0,0 +1,13 @@
+//
+//  StringField+Validation.h
+//  MacPass
+//
+//  Created by Michael Starke on 19.07.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "Kdb4Node.h"
+
+@interface StringField (Validation)
+
+@end

MacPass/StringField+Validation.m

@@ -0,0 +1,19 @@
+//
+//  StringField+Validation.m
+//  MacPass
+//
+//  Created by Michael Starke on 19.07.13.
+//  Copyright (c) 2013 HicknHack Software GmbH. All rights reserved.
+//
+
+#import "StringField+Validation.h"
+#import "Kdb4Entry+MPAdditions.h"
+
+@implementation StringField (Validation)
+
+- (BOOL)validateValue:(inout __autoreleasing id *)ioValue forKey:(NSString *)inKey error:(out NSError *__autoreleasing *)outError {
+  *ioValue = [self.entry uniqueKeyForProposal:*ioValue];
+  return YES;
+}
+
+@end