ViewController.h
#import <UIKit/UIKit.h>
#import “EPPZDecoupledView.h”
@interface ViewController : UIViewController<EPPZDecoupledViewDelegate>
-(IBAction)showDecoupledView;
@end
ViewController.m
#import “ViewController.h”
@interface ViewController ()
@end
@implementation ViewController
– (void)viewDidLoad {
[super viewDidLoad];
/*
// Instantiate the nib content without any reference to it.
NSArray *nibContents = [[NSBundle mainBundle] loadNibNamed:@”View” owner:nil options:nil];
// Find the view among nib contents (not too hard assuming there is only one view in it).
UIView *plainView = [nibContents lastObject];
// Some hardcoded layout.
// CGSize padding = (CGSize){ 220.0, 220.0 };
// plainView.frame = (CGRect){padding.width, padding.height, plainView.frame.size};
plainView.frame = CGRectMake(0, 0, 100, 100);
// Add to the view hierarchy (thus retain).
[self.view addSubview:plainView];
// plainView.hidden = YES;
*/
// Do any additional setup after loading the view, typically from a nib.
}
– (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(IBAction)showDecoupledView
{
[EPPZDecoupledView presentInViewController:self];
}
-(void)decoupledViewTouchedUp:(EPPZDecoupledView*) decoupledView
{ /* Whatever feature. */ }
-(void)decoupledViewDidDismiss:(EPPZDecoupledView*) decoupledView
{ /* Acknowledge sadly. */ }
@end
EPPZDecoupledView.h
#import <UIKit/UIKit.h>
@class EPPZDecoupledView;
@protocol EPPZDecoupledViewDelegate
-(void)decoupledViewTouchedUp:(EPPZDecoupledView*) decoupledView;
-(void)decoupledViewDidDismiss:(EPPZDecoupledView*) decoupledView;
@end
@interface EPPZDecoupledView : UIView
// Indicate that this view should be presented only controllers those implements the delegate methods.
+(void)presentInViewController:(UIViewController<EPPZDecoupledViewDelegate>*) viewController;
-(IBAction)viewTouchedUp;
-(IBAction)dismiss;
@end
EPPZDecoupledView.m
#import “EPPZDecoupledView.h”
@interface EPPZDecoupledViewOwner : NSObject
@property (nonatomic, weak) IBOutlet EPPZDecoupledView *decoupledView;
@end
@implementation EPPZDecoupledViewOwner
@end
@interface EPPZDecoupledView ()
@property (nonatomic, weak) UIViewController <EPPZDecoupledViewDelegate> *delegateViewController;
@end
@implementation EPPZDecoupledView
+(void)presentInViewController:(UIViewController<EPPZDecoupledViewDelegate>*) viewController
{
// Instantiating encapsulated here.
EPPZDecoupledViewOwner *owner = [EPPZDecoupledViewOwner new];
[[NSBundle mainBundle] loadNibNamed:NSStringFromClass(self) owner:owner options:nil];
// Pass in a reference of the viewController.
owner.decoupledView.delegateViewController = viewController;
// Add (thus retain).
[viewController.view addSubview:owner.decoupledView];
}
-(IBAction)viewTouchedUp
{
// Forward to delegate.
[self.delegateViewController decoupledViewTouchedUp:self];
}
-(IBAction)dismiss
{
[self removeFromSuperview];
// Forward to delegate.
[self.delegateViewController decoupledViewDidDismiss:self];
}
@end
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