Made a convenient way to access a containing storyboard link.

Fixes issue #9.

LinkedStoryboards/Podfile

@@ -1,7 +1,7 @@
 platform :ios, '7.0'
 
 # :path refers to the local copy for development.
-pod 'RBStoryboardLink', :path => '..'
+pod 'RBStoryboardLink', :path => '../RBStoryboardLink.podspec'
 
 # Conditional includes for the KIF tests.
 # It is important that we don't include KIF in the main app.

LinkedStoryboards/Podfile.lock

@@ -1,17 +1,17 @@
 PODS:
   - KIF (2.0.0)
-  - RBStoryboardLink (0.0.6)
+  - RBStoryboardLink (0.0.8)
 
 DEPENDENCIES:
   - KIF (~> 2.0)
-  - RBStoryboardLink (from `..`)
+  - RBStoryboardLink (from `../RBStoryboardLink.podspec`)
 
 EXTERNAL SOURCES:
   RBStoryboardLink:
-    :path: ..
+    :path: ../RBStoryboardLink.podspec
 
 SPEC CHECKSUMS:
   KIF: ff3b46deb62ce3f8e99c6a2c786729e1eea241ba
-  RBStoryboardLink: f0f6cbc78a87c853d038017be4231e6e574c97ae
+  RBStoryboardLink: 1bcff9be9fa9de9d66ea10518a327be1af729d03
 
-COCOAPODS: 0.28.0
+COCOAPODS: 0.29.0

LinkedTabs/Podfile

@@ -1,7 +1,7 @@
 platform :ios, '7.0'
 
 # :path refers to the local copy for development.
-pod 'RBStoryboardLink', :path => '..'
+pod 'RBStoryboardLink', :path => '../RBStoryboardLink.podspec'
 
 # Conditional includes for the KIF tests.
 # It is important that we don't include KIF in the main app.

LinkedTabs/Podfile.lock

@@ -1,17 +1,17 @@
 PODS:
   - KIF (2.0.0)
-  - RBStoryboardLink (0.0.6)
+  - RBStoryboardLink (0.0.8)
 
 DEPENDENCIES:
   - KIF (~> 2.0)
-  - RBStoryboardLink (from `..`)
+  - RBStoryboardLink (from `../RBStoryboardLink.podspec`)
 
 EXTERNAL SOURCES:
   RBStoryboardLink:
-    :path: ..
+    :path: ../RBStoryboardLink.podspec
 
 SPEC CHECKSUMS:
   KIF: ff3b46deb62ce3f8e99c6a2c786729e1eea241ba
-  RBStoryboardLink: f0f6cbc78a87c853d038017be4231e6e574c97ae
+  RBStoryboardLink: 1bcff9be9fa9de9d66ea10518a327be1af729d03
 
-COCOAPODS: 0.28.0
+COCOAPODS: 0.29.0

RBStoryboardLink.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = 'RBStoryboardLink'
-  s.version      = '0.0.7'
+  s.version      = '0.0.8'
   s.summary      = 'Makes transitioning between storyboards possible.'
   s.homepage     = 'https://github.com/rob-brown/RBStoryboardLink'
   s.license      = { 
@@ -10,11 +10,11 @@ Pod::Spec.new do |s|
   s.author       = 'Robert Brown'
   s.source       = { 
       :git => 'https://github.com/rob-brown/RBStoryboardLink.git', 
-      :tag => '0.0.7'
+      :tag => '0.0.8'
   }
   s.platform     = :ios, '7.0'
-  s.source_files = 'RBStoryboardLink.{h,m}', 'RBStoryboardLinkSource.h'
-  s.public_header_files = 'RBStoryboardLink.h', 'RBStoryboardLinkSource.h'
+  s.source_files = 'RBStoryboardLink.{h,m}', 'UIViewController+RBStoryboardLink.{h,m}', 'RBStoryboardLinkSource.h'
+  s.public_header_files = 'RBStoryboardLink.h', 'UIViewController+RBStoryboardLink.h', 'RBStoryboardLinkSource.h'
   s.frameworks = 'UIKit'
   s.requires_arc = true
 end

UIViewController+RBStoryboardLink.h

@@ -0,0 +1,27 @@
+//
+//  UIViewController+RBStoryboardLink.h
+//  Pods
+//
+//  Created by Robert Brown on 1/25/14.
+//
+//
+
+#import <UIKit/UIKit.h>
+
+@class RBStoryboardLink;
+
+
+@interface UIViewController (RBStoryboardLink)
+
+/// Returns the storyboard link this view controller is contained in, if any.
+- (RBStoryboardLink *)rbsl_storyboardLink;
+
+/**
+ * If the view controller is within a storyboard link, the link is returned.
+ * If not, `self` is returned. The intent is to access certain visual elements 
+ * (such as `toolbarItems`) on the proper view controller when it's unknown if 
+ * the view controller is contained in a link.
+ */
+- (UIViewController *)rbsl_targetViewController;
+
+@end

UIViewController+RBStoryboardLink.m

@@ -0,0 +1,26 @@
+//
+//  UIViewController+RBStoryboardLink.m
+//  Pods
+//
+//  Created by Robert Brown on 1/25/14.
+//
+//
+
+#import "UIViewController+RBStoryboardLink.h"
+#import "RBStoryboardLink.h"
+
+@implementation UIViewController (RBStoryboardLink)
+
+- (RBStoryboardLink *)rbsl_storyboardLink {
+
+    if ([self isKindOfClass:[RBStoryboardLink class]])
+        return (RBStoryboardLink *)self;
+
+    return [self.parentViewController rbsl_storyboardLink];
+}
+
+- (UIViewController *)rbsl_targetViewController {
+    return [self rbsl_storyboardLink] ?: self;
+}
+
+@end