FLEX/Example/UICatalog/AAPLButtonViewController.m

/*
        File: AAPLButtonViewController.m
    Abstract: A view controller that demonstrates how to use UIButton. The buttons are created using storyboards, but each of the system buttons can be created in code by using the +[UIButton buttonWithType:] initializer. See UIButton.h for a comprehensive list of the various UIButtonType values.
     Version: 2.12
    
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*/

#import "AAPLButtonViewController.h"

@interface AAPLButtonViewController()

@property (nonatomic, weak) IBOutlet UIButton *systemTextButton;
@property (nonatomic, weak) IBOutlet UIButton *systemContactAddButton;
@property (nonatomic, weak) IBOutlet UIButton *systemDetailDisclosureButton;
@property (nonatomic, weak) IBOutlet UIButton *imageButton;
@property (nonatomic, weak) IBOutlet UIButton *attributedTextButton;

@end


#pragma mark -

@implementation AAPLButtonViewController

- (void)viewDidLoad {
    [super viewDidLoad];

    // All of the buttons are created in the storyboard, but configured below.
    [self configureSystemTextButton];
    [self configureSystemContactAddButton];
    [self configureSystemDetailDisclosureButton];
    [self configureImageButton];
    [self configureAttributedTextSystemButton];
}


#pragma mark - Configuration

- (void)configureSystemTextButton {
    [self.systemTextButton setTitle:NSLocalizedString(@"Button", nil) forState:UIControlStateNormal];
    
    [self.systemTextButton addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
}

- (void)configureSystemContactAddButton {
    self.systemContactAddButton.backgroundColor = UIColor.clearColor;
    
    [self.systemContactAddButton addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
}

- (void)configureSystemDetailDisclosureButton {
    self.systemDetailDisclosureButton.backgroundColor = UIColor.clearColor;
    
    [self.systemDetailDisclosureButton addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
}

- (void)configureImageButton {
    // To create this button in code you can use +[UIButton buttonWithType:] with a parameter value of UIButtonTypeCustom.
    
    // Remove the title text.
    [self.imageButton setTitle:@"" forState:UIControlStateNormal];

    self.imageButton.tintColor = UIColor.aapl_applicationPurpleColor;
    
    [self.imageButton setImage:[UIImage imageNamed:@"x_icon"] forState:UIControlStateNormal];

    // Add an accessibility label to the image.
    self.imageButton.accessibilityLabel = NSLocalizedString(@"X Button", nil);
    
    [self.imageButton addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
}

- (void)configureAttributedTextSystemButton {
    NSDictionary *titleAttributes = @{NSForegroundColorAttributeName: UIColor.aapl_applicationBlueColor, NSStrikethroughStyleAttributeName: @(NSUnderlineStyleSingle)};
    NSAttributedString *attributedTitle = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Button", nil) attributes:titleAttributes];
    [self.attributedTextButton setAttributedTitle:attributedTitle forState:UIControlStateNormal];

    NSDictionary *highlightedTitleAttributes = @{NSForegroundColorAttributeName : UIColor.aapl_applicationGreenColor, NSStrikethroughStyleAttributeName: @(NSUnderlineStyleThick)};
    NSAttributedString *highlightedAttributedTitle = [[NSAttributedString alloc] initWithString:NSLocalizedString(@"Button", nil) attributes:highlightedTitleAttributes];
    [self.attributedTextButton setAttributedTitle:highlightedAttributedTitle forState:UIControlStateHighlighted];

    [self.attributedTextButton addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
}


#pragma mark - Actions

// Handler for all of AAPLButtonViewController's UIButton actions.
- (void)buttonClicked:(UIButton *)button {
    NSLog(@"A button was clicked: %@.", button);
}

@end