#import "KPLExampleViewController.h"

#import "KeepLayout.h"

@interface KPLExampleViewController ()

@property (nonatomic, readwrite, strong) KPLExample *example;

@property (nonatomic, readwrite, strong) KPLExampleStateBlock exampleStateBlock;

@property (nonatomic, readwrite, assign) NSUInteger state;

@implementation KPLExampleViewController

- (id)initWithExample:(KPLExample *)example {

self = [super initWithNibName:nil bundle:nil];

if (self) {

self.example = example;

self.title = self.example.title;

UIBarButtonItem *actionButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemPlay target:self action:@selector(actionButtonTapped)];

self.navigationItem.rightBarButtonItem = actionButton;

}

return self;

}

- (void)viewWillAppear:(BOOL)animated {

[super viewWillAppear:animated];

self.view.backgroundColor = [UIColor whiteColor];

self.view.clipsToBounds = YES;

self.exampleStateBlock = self.example.setupBlock(self);

if (self.exampleStateBlock) self.exampleStateBlock(self.state);

self.navigationItem.rightBarButtonItem.enabled = (self.exampleStateBlock != nil);

}

- (void)actionButtonTapped {

if ( ! self.exampleStateBlock) return;

self.state++;

[self.view keepAnimatedWithDuration:0.75

delay:0

usingSpringWithDamping:0.4

initialSpringVelocity:0.8

options:kNilOptions

layout:^{

self.exampleStateBlock(self.state);

}

completion:nil];

}