Added overload for version check.

1 files changed, 30 insertions, 0 deletions

diff --git a/iphone/Maps/Classes/UIViewController+Navigation.mm b/iphone/Maps/Classes/UIViewController+Navigation.mm
new file mode 100644
index 0000000000..c5a4a17c69
--- /dev/null
+++ b/iphone/Maps/Classes/UIViewController+Navigation.mm
@@ -0,0 +1,30 @@
+#import "Common.h"
+#import "UIKitCategories.h"
+#import "UIViewController+Navigation.h"
+
+@implementation UIViewController (Navigation)
+
+- (void)showBackButton
+{
+  UIButton * backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 56, 44)];
+  [backButton addTarget:self action:@selector(backButtonPressed:) forControlEvents:UIControlEventTouchUpInside];
+  [backButton setImage:[UIImage imageNamed:@"NavigationBarBackButton"] forState:UIControlStateNormal];
+
+  UIBarButtonItem * space = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace target:nil action:nil];
+  space.width = isIOSVersionLessThan(7) ? -8 : -16;
+  UIBarButtonItem * item = [[UIBarButtonItem alloc] initWithCustomView:backButton];
+  self.navigationItem.leftBarButtonItems = @[space, item];
+}
+
+- (void)backButtonPressed:(id)sender
+{
+  [self.navigationController popViewControllerAnimated:YES];
+}
+
+- (UIStoryboard *)mainStoryboard
+{
+  NSString * name = UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad ? @"Main_iPad" : @"Main_iPhone";
+  return [UIStoryboard storyboardWithName:name bundle:nil];
+}
+
+@end