Test+Exntention.h

enum {
  UIButtonColorsTan,
  UIButtonColorsBlack,
  UIButtonColorsGreen,
  UIButtonColorsOrange,
  UIButtonColorsBlue,
  UIButtonColorsWhite,
  UIButtonColorsGrey
};

typedef NSUInteger UIButtonColors;

@interface UIButton(TcEx)
- (void)applyAppearance:(UIButtonColors)colors;
- (void)applyAppearance:(UIButtonColors)colors withFont:(UIFont *)font;
@end

@interface UIBarButtonItem(TcEx)
- (void)applyAppearance:(UIButtonColors)colors;
- (void)applyAppearance:(UIButtonColors)colors withSize:(CGFloat)width;
@end

Test+Exntention.m

#import "Test+Exntention.h"


#pragma mark - UIButton


@implementation UIButton(TcEx)

- (void)applyAppearance:(UIButtonColors)colors;
{
  [self applyAppearance:colors withFont:[UIFont fontWithName:@"Helvetica Neue" size:15]];
}

- (void)applyAppearance:(UIButtonColors)colors withFont:(UIFont *)font
{
  [self.titleLabel setFont:font];

  NSString *usualImageName = @"";
  NSString *hoverImageName = @"";

  switch (colors) {
    case UIButtonColorsBlack:
      usualImageName = @"blackButton";
      hoverImageName = @"blackButtonHighlight";
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor blackColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, -1)];
      break;
    case UIButtonColorsBlue:
      usualImageName = @"blueButton";
      hoverImageName = @"blueButtonHighlight";
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor blackColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, -1)];
      break;
    case UIButtonColorsGreen:
      usualImageName = @"greenButton";
      hoverImageName = @"greenButtonHighlight";
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor blackColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, -1)];
      break;
    case UIButtonColorsOrange:
      usualImageName = @"orangeButton";
      hoverImageName = @"orangeButtonHighlight";
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor whiteColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor blackColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, -1)];
      break;
    case UIButtonColorsTan:
      usualImageName = @"tanButton";
      hoverImageName = @"tanButtonHighlight";
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor whiteColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, 1)];
      break;
    case UIButtonColorsGrey:
      usualImageName = @"GreyButton";
      hoverImageName = @"GreyButtonHighlight";
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor whiteColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, 1)];
      break;
    case UIButtonColorsWhite:
      usualImageName = @"whiteButton";
      hoverImageName = @"whiteButtonHighlight";
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
      [self setTitleColor:[UIColor blackColor] forState:UIControlStateHighlighted];
      [self.titleLabel setShadowColor:[UIColor whiteColor]];
      [self.titleLabel setShadowOffset:CGSizeMake(0, 1)];
      break;
  }

  UIImage *usualImage = [[UIImage imageNamed:usualImageName] resizableImageWithCapInsets:UIEdgeInsetsMake(18, 18, 18, 18)];
  [self setBackgroundImage:usualImage forState:UIControlStateNormal];

  UIImage *hoverImage = [[UIImage imageNamed:hoverImageName] resizableImageWithCapInsets:UIEdgeInsetsMake(18, 18, 18, 18)];
  [self setBackgroundImage:hoverImage forState:UIControlStateHighlighted];
}

@end


#pragma mark - UIBarButtonItem


@implementation UIBarButtonItem(TcEx)

- (void)applyAppearance:(UIButtonColors)colors
{
  UIView *view = [self valueForKey:@"view"];
  CGFloat width = view? [view frame].size.width : (CGFloat)0.0;
  [self applyAppearance:colors withSize:width];
}

- (void)applyAppearance:(UIButtonColors)colors withSize:(CGFloat)width
{
  UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
  [btn setFrame:CGRectMake(0, 0, width, 30)];
  [btn setTitle:self.title forState:UIControlStateNormal];
  [btn applyAppearance:UIButtonColorsOrange withFont:[UIFont boldSystemFontOfSize:12]];
  [self setCustomView:btn];
}

@end