#import "DropdownMenuSegue.h"

#import "DropdownMenuController.h"

@implementation DropdownMenuSegue

- (void) perform {

DropdownMenuController *tabBarViewController = (DropdownMenuController *) self.sourceViewController;

UIViewController *destinationViewController = (UIViewController *) tabBarViewController.destinationViewController;

//remove old viewController

if (tabBarViewController.oldViewController) {

[tabBarViewController.oldViewController willMoveToParentViewController:nil];

[tabBarViewController.oldViewController.view removeFromSuperview];

[tabBarViewController.oldViewController removeFromParentViewController];

}

destinationViewController.view.frame = tabBarViewController.container.bounds;

[tabBarViewController addChildViewController:destinationViewController];

[tabBarViewController.container addSubview:destinationViewController.view];

[destinationViewController didMoveToParentViewController:tabBarViewController];

}