#import "SCLButton.h"

#import "SCLTimerDisplay.h"

#define MARGIN_BUTTON 12.0f

#define DEFAULT_WINDOW_WIDTH 240

#define MIN_HEIGHT 35.0f

@implementation SCLButton

- (instancetype)init

{

self = [super init];

if (self)

{

[self setupWithWindowWidth:DEFAULT_WINDOW_WIDTH];

}

return self;

}

- (instancetype)initWithWindowWidth:(CGFloat)windowWidth

{

self = [super init];

if (self)

{

[self setupWithWindowWidth:windowWidth];

}

return self;

}

- (instancetype)initWithCoder:(NSCoder *)aDecoder

{

self = [super initWithCoder:aDecoder];

if(self)

{

[self setupWithWindowWidth:DEFAULT_WINDOW_WIDTH];

}

return self;

}

- (instancetype)initWithFrame:(CGRect)frame

{

self = [super initWithFrame:frame];

if (self)

{

[self setupWithWindowWidth:DEFAULT_WINDOW_WIDTH];

}

return self;

}

- (void)setupWithWindowWidth:(CGFloat)windowWidth

{

self.frame = CGRectMake(0.0f, 0.0f, windowWidth - (MARGIN_BUTTON * 2), MIN_HEIGHT);

self.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;

self.titleLabel.textAlignment = NSTextAlignmentCenter;

self.layer.cornerRadius = 3.0f;

}

- (void)adjustWidthWithWindowWidth:(CGFloat)windowWidth numberOfButtons:(NSUInteger)numberOfButtons

{

CGFloat allButtonsWidth = windowWidth - (MARGIN_BUTTON * 2);

CGFloat buttonWidth = (allButtonsWidth - ((numberOfButtons - 1) * 10)) / numberOfButtons;

self.frame = CGRectMake(0.0f, 0.0f, buttonWidth, MIN_HEIGHT);

}

- (void)setTitle:(NSString *)title forState:(UIControlState)state

{

[super setTitle:title forState:state];

self.titleLabel.numberOfLines = 0;

// Update title frame.

[self.titleLabel sizeToFit];

// Update button frame

[self layoutIfNeeded];

// Get height needed to display title label completely

CGFloat buttonHeight = MAX(self.titleLabel.frame.size.height, MIN_HEIGHT);

// Update button frame

self.frame = CGRectMake(self.frame.origin.x, self.frame.origin.y, self.frame.size.width, buttonHeight);

}

- (void)setHighlighted:(BOOL)highlighted

{

self.backgroundColor = (highlighted) ? [self darkerColorForColor:_defaultBackgroundColor] : _defaultBackgroundColor;

[super setHighlighted:highlighted];

}

- (void)setDefaultBackgroundColor:(UIColor *)defaultBackgroundColor

{

self.backgroundColor = _defaultBackgroundColor = defaultBackgroundColor;

}

- (void)setTimer:(SCLTimerDisplay *)timer

{

_timer = timer;

[self addSubview:timer];

[timer updateFrame:self.frame.size];

timer.color = self.titleLabel.textColor;

}

#pragma mark - Button Apperance

- (void)parseConfig:(NSDictionary *)buttonConfig

{

if (buttonConfig[@"backgroundColor"])

{

self.defaultBackgroundColor = buttonConfig[@"backgroundColor"];

}

if (buttonConfig[@"textColor"])

{

[self setTitleColor:buttonConfig[@"textColor"] forState:UIControlStateNormal];

}

if (buttonConfig[@"cornerRadius"])

{

self.layer.cornerRadius = [buttonConfig[@"cornerRadius"] floatValue];

}

if ((buttonConfig[@"borderColor"]) && (buttonConfig[@"borderWidth"]))

{

self.layer.borderColor = ((UIColor*)buttonConfig[@"borderColor"]).CGColor;

self.layer.borderWidth = [buttonConfig[@"borderWidth"] floatValue];

}

else if (buttonConfig[@"borderWidth"])

{

self.layer.borderWidth = [buttonConfig[@"borderWidth"] floatValue];

}

// Add Button custom font with buttonConfig parameters

if (buttonConfig[@"font"]) {

self.titleLabel.font = buttonConfig[@"font"];

}

}

#pragma mark - Helpers

- (UIColor *)darkerColorForColor:(UIColor *)color

{

CGFloat r, g, b, a;

if ([color getRed:&r green:&g blue:&b alpha:&a])

return [UIColor colorWithRed:MAX(r - 0.2f, 0.0f)

green:MAX(g - 0.2f, 0.0f)

blue:MAX(b - 0.2f, 0.0f)

alpha:a];

return nil;

}

- (UIColor *)lighterColorForColor:(UIColor *)color

{

CGFloat r, g, b, a;

if ([color getRed:&r green:&g blue:&b alpha:&a])

return [UIColor colorWithRed:MIN(r + 0.2f, 1.0f)

green:MIN(g + 0.2f, 1.0f)

blue:MIN(b + 0.2f, 1.0f)

alpha:a];

return nil;

}