CS 193P iPhone Application Development - Homework for Lecture 2 - Matchismo

gistfile1.m

//
//  CardGameViewController.m
//  Matchismo
//
//  Created by Josh Gilmour on 2/6/13.
//  Copyright (c) 2013 Josh Gilmour. All rights reserved.
//

#import "CardGameViewController.h"

// addition for lecture 2
// import in our playing card deck
#import "PlayingCardDeck.h"

@interface CardGameViewController ()
@property (weak, nonatomic) IBOutlet UILabel *flipsLabel;
@property (nonatomic) int flipCount;

// addition for lecture 2
// add a propery *cardDeck 
@property (strong, nonatomic) PlayingCardDeck *cardDeck;

@end

@implementation CardGameViewController

// addition from lecture 2
// lazy instantiation for cardDeck
- (PlayingCardDeck *)cardDeck {
    if (!_cardDeck) _cardDeck = [[PlayingCardDeck alloc] init];
    return _cardDeck;
}

- (void)setFlipCount:(int)flipCount
{
    _flipCount = flipCount;
    self.flipsLabel.text = [NSString stringWithFormat:@"Flips %d", self.flipCount];
    NSLog(@"flips updated to %d", self.flipCount);
}

- (IBAction)flipCard:(UIButton *)sender
{
    // addition for lecture 2
    // using lecture 2 slides (page 110), there is a hint about
    // setTitle:(NSString *)title forState:(UIControlStateSelected).
    // ... So we use it.
    if (!sender.isSelected) [sender setTitle:[self.cardDeck drawRandomCard].contents
                                    forState:UIControlStateSelected];
    
    sender.selected = !sender.isSelected;
    self.flipCount++;
    
}

@end