Create initial folder structure

Medianno/MADocument.m

@@ -33,16 +33,6 @@
 #pragma mark -
 #pragma mark MADocument
 
-- (id)init
-{
-    self = [super init];
-    if (self) {
-        // Add your subclass-specific initialization here.
-        // If an error occurs here, send a [self release] message and return nil.
-    }
-    return self;
-}
-
 /*
  This is the name of the Core Data store file contained within the document package.
  You can change this whatever you want -- the user will not see this file.
@@ -51,6 +41,29 @@ static NSString *StoreFileName = @"MediannoDB.sql";
 
 @implementation MADocument
 
+- (id)initWithType:(NSString *)typeName error:(NSError **)outError
+{
+    self = [super initWithType:typeName error:outError];
+    if (self) {
+        /*
+         * Start with a root folder and an inbox folder 
+         */
+        NSManagedObjectContext *moc = [self managedObjectContext];
+        [[moc undoManager] disableUndoRegistration];
+        MAFolder * rootFolder = [NSEntityDescription insertNewObjectForEntityForName:@"MAFolder"
+                                                        inManagedObjectContext:moc];
+        [rootFolder setName:@""];
+        MAFolder * inboxFolder = [NSEntityDescription insertNewObjectForEntityForName:@"MAFolder"
+                                                               inManagedObjectContext:moc];
+        [inboxFolder setName:@"Inbox"];
+        [inboxFolder setParent:rootFolder];
+        
+        [moc processPendingChanges];
+        [[moc undoManager] enableUndoRegistration];
+    }
+    return self;
+}
+
 - (NSString *)windowNibName
 {
     // Override returning the nib file name of the document