Improved Three20 integration by leveraging object mapping to instantiate TTTableItems

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBTopic.h

@@ -34,4 +34,9 @@
  */
 @property (nonatomic, retain) NSNumber* topicID;
 
+/**
+ The Three20 Navigator URL to this Topic
+ */
+@property (nonatomic, readonly) NSString* topicNavURL;
+
 @end

Examples/RKDiscussionBoardExample/DiscussionBoard/Code/Models/DBTopic.m

@@ -18,4 +18,8 @@
 	return [self.topicID intValue] == 0;
 }
 
+- (NSString*)topicNavURL {
+    return RKMakePathWithObject(@"db://topics/(topicID)/posts", self);
+}
+
 @end