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Added [PXAlertView appearance] object to allow for global customization ... #29

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Added [PXAlertView appearance] object to allow for global customization ... #29

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3 changes: 3 additions & 0 deletions Classes/PXAlertView+Customization.h
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Original file line number Diff line number Diff line change
Expand Up @@ -22,4 +22,7 @@
- (void)setCancelButtonBackgroundColor:(UIColor *)color;
- (void)setOtherButtonBackgroundColor:(UIColor *)color;

- (void)setCancelButtonFont:(UIFont *)font;
- (void)setOtherButtonFont:(UIFont *)font;

@end
13 changes: 10 additions & 3 deletions Classes/PXAlertView+Customization.m
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,6 @@
#import "PXAlertView+Customization.h"
#import <objc/runtime.h>

void * const kCancelBGKey = (void * const) &kCancelBGKey;
void * const kOtherBGKey = (void * const) &kOtherBGKey;

@interface PXAlertView ()

@property (nonatomic) UIView *backgroundView;
Expand Down Expand Up @@ -55,6 +52,16 @@ - (void)setMessageFont:(UIFont *)font
self.messageLabel.font = font;
}

- (void)setCancelButtonFont:(UIFont *)font
{
[self.cancelButton.titleLabel setFont:font];
}

- (void)setOtherButtonFont:(UIFont *)font
{
[self.otherButton.titleLabel setFont:font];
}

#pragma mark -
#pragma mark Buttons Customization
- (void)setCustomBackgroundColorForButton:(id)sender
Expand Down
5 changes: 5 additions & 0 deletions Classes/PXAlertView.h
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Expand Up @@ -8,12 +8,17 @@

#import <UIKit/UIKit.h>

extern void *const kCancelBGKey;
extern void *const kOtherBGKey;

typedef void(^PXAlertViewCompletionBlock)(BOOL cancelled, NSInteger buttonIndex);

@interface PXAlertView : UIViewController

@property (nonatomic, getter = isVisible) BOOL visible;

+ (instancetype)appearance;

+ (instancetype)showAlertWithTitle:(NSString *)title;

+ (instancetype)showAlertWithTitle:(NSString *)title
Expand Down
70 changes: 61 additions & 9 deletions Classes/PXAlertView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,10 @@
//

#import "PXAlertView.h"
#import <objc/runtime.h>

void * const kCancelBGKey = (void * const) &kCancelBGKey;
void * const kOtherBGKey = (void * const) &kOtherBGKey;

@interface PXAlertViewStack : NSObject

Expand Down Expand Up @@ -46,11 +50,44 @@ @interface PXAlertView ()

@implementation PXAlertView

+ (instancetype)appearance
{
static PXAlertView *appearance;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
appearance = [[self alloc] init];
appearance.alertView = [[UIView alloc] init];
appearance.titleLabel = [[UILabel alloc] init];
appearance.messageLabel = [[UILabel alloc] init];
appearance.cancelButton = [UIButton buttonWithType:UIButtonTypeCustom];
appearance.otherButton = [UIButton buttonWithType:UIButtonTypeCustom];

appearance.alertView.backgroundColor = [UIColor colorWithWhite:0.25 alpha:1];

appearance.titleLabel.font = [UIFont boldSystemFontOfSize:17];
appearance.titleLabel.textColor = [UIColor whiteColor];

appearance.messageLabel.font = [UIFont systemFontOfSize:15];
appearance.messageLabel.textColor = [UIColor whiteColor];

appearance.cancelButton.titleLabel.font = [UIFont systemFontOfSize:17];
appearance.otherButton.titleLabel.font = [UIFont systemFontOfSize:17];

appearance.cancelButton.backgroundColor = [UIColor colorWithWhite:0.25*0.8 alpha:1];
objc_setAssociatedObject(self, kCancelBGKey, [UIColor colorWithWhite:0.25*0.8 alpha:1], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
appearance.otherButton.backgroundColor = [UIColor colorWithWhite:0.25*0.8 alpha:1];
objc_setAssociatedObject(self, kOtherBGKey, [UIColor colorWithWhite:0.25*0.8 alpha:1], OBJC_ASSOCIATION_RETAIN_NONATOMIC);
});
return appearance;
}

- (UIWindow *)windowWithLevel:(UIWindowLevel)windowLevel
{
NSArray *windows = [[UIApplication sharedApplication] windows];
for (UIWindow *window in windows) {
if (window.windowLevel == windowLevel) {
if (CGRectIsEmpty(window.frame))
window.frame = [[UIScreen mainScreen] bounds];
return window;
}
}
Expand Down Expand Up @@ -100,7 +137,7 @@ - (id)initWithTitle:(NSString *)title
[self.view addSubview:_backgroundView];

_alertView = [[UIView alloc] init];
_alertView.backgroundColor = [UIColor colorWithWhite:0.25 alpha:1];
_alertView.backgroundColor = [PXAlertView appearance].alertView.backgroundColor;
_alertView.layer.cornerRadius = 8.0;
_alertView.layer.opacity = .95;
_alertView.clipsToBounds = YES;
Expand All @@ -115,7 +152,7 @@ - (id)initWithTitle:(NSString *)title
_titleLabel.backgroundColor = [UIColor clearColor];
_titleLabel.textColor = [UIColor whiteColor];
_titleLabel.textAlignment = NSTextAlignmentCenter;
_titleLabel.font = [UIFont boldSystemFontOfSize:17];
_titleLabel.font = [PXAlertView appearance].titleLabel.font;
_titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
_titleLabel.numberOfLines = 0;
_titleLabel.frame = [self adjustLabelFrameHeight:self.titleLabel];
Expand Down Expand Up @@ -144,7 +181,7 @@ - (id)initWithTitle:(NSString *)title
_messageLabel.backgroundColor = [UIColor clearColor];
_messageLabel.textColor = [UIColor whiteColor];
_messageLabel.textAlignment = NSTextAlignmentCenter;
_messageLabel.font = [UIFont systemFontOfSize:15];
_messageLabel.font = [PXAlertView appearance].messageLabel.font;
_messageLabel.lineBreakMode = NSLineBreakByWordWrapping;
_messageLabel.numberOfLines = 0;
_messageLabel.frame = [self adjustLabelFrameHeight:self.messageLabel];
Expand Down Expand Up @@ -228,7 +265,7 @@ - (UIButton *)genericButton
{
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
button.backgroundColor = [UIColor clearColor];
button.titleLabel.font = [UIFont systemFontOfSize:17];
button.titleLabel.font = [[PXAlertView appearance] cancelButton].titleLabel.font;
[button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[button setTitleColor:[UIColor colorWithWhite:0.25 alpha:1] forState:UIControlStateHighlighted];
[button addTarget:self action:@selector(dismiss:) forControlEvents:UIControlEventTouchUpInside];
Expand Down Expand Up @@ -282,7 +319,18 @@ - (void)resizeViews

- (void)setBackgroundColorForButton:(id)sender
{
[sender setBackgroundColor:[UIColor colorWithRed:94/255.0 green:196/255.0 blue:221/255.0 alpha:1.0]];
if (sender == self.cancelButton)
{
UIColor *color = objc_getAssociatedObject([PXAlertView appearance], kCancelBGKey);
if (!color) color = [UIColor colorWithRed:94/255.0 green:196/255.0 blue:221/255.0 alpha:1.0];
[sender setBackgroundColor:color];
}
else
{
UIColor *color = objc_getAssociatedObject([PXAlertView appearance], kOtherBGKey);
if (!color) color = [UIColor colorWithRed:94/255.0 green:196/255.0 blue:221/255.0 alpha:1.0];
[sender setBackgroundColor:color];
}
}

- (void)clearBackgroundColorForButton:(id)sender
Expand All @@ -298,6 +346,10 @@ - (void)show
- (void)showInternal
{
[self.alertWindow addSubview:self.view];
if (![self.alertWindow isUserInteractionEnabled])
{
self.alertWindow.userInteractionEnabled = YES;
}
[self.alertWindow makeKeyAndVisible];
self.visible = YES;
[self showBackgroundView];
Expand Down Expand Up @@ -340,10 +392,10 @@ - (void)dismiss:(id)sender animated:(BOOL)animated
[UIView animateWithDuration:(animated ? 0.2 : 0) animations:^{
self.backgroundView.alpha = 0;
} completion:^(BOOL finished) {
[self.alertWindow removeFromSuperview];
[self.mainWindow makeKeyAndVisible];
self.alertWindow.hidden = YES;
self.alertWindow.rootViewController = nil;
self.alertWindow = nil;
[self.mainWindow makeKeyAndVisible];
}];
}

Expand Down Expand Up @@ -542,7 +594,7 @@ - (NSInteger)addButtonWithTitle:(NSString *)title
{
UIButton *button = [self genericButton];
[button setTitle:title forState:UIControlStateNormal];
button.titleLabel.font = [UIFont boldSystemFontOfSize:17];
button.titleLabel.font = [PXAlertView appearance].otherButton.titleLabel.font;

if (!self.cancelButton) {
self.cancelButton = button;
Expand Down Expand Up @@ -570,7 +622,7 @@ - (NSInteger)addButtonWithTitle:(NSString *)title
button.frame = CGRectMake(AlertViewWidth/2, self.buttonsY, AlertViewWidth/2, AlertViewButtonHeight);
self.otherButton = button;
self.cancelButton.frame = CGRectMake(0, self.buttonsY, AlertViewWidth/2, AlertViewButtonHeight);
self.cancelButton.titleLabel.font = [UIFont systemFontOfSize:17];
self.cancelButton.titleLabel.font = [PXAlertView appearance].cancelButton.titleLabel.font;
}

[self.alertView addSubview:button];
Expand Down