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Added "iconImageView" for an optional icon centred above the title #66

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Added "iconImageView" for an optional icon centred above the title #66

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00e71cc
Added "iconImageView" for an optional icon centred above the title - …
Apr 6, 2014
a110846
Merge pull request #1 from Sumi-Interactive/master
May 11, 2015
4aa3683
Add ability to change background color of buttons
tattn Aug 11, 2015
40373a3
Merge commit '4aa3683c10877132beb71270e5111d522f893f27'
siburbOther Aug 27, 2015
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4 changes: 4 additions & 0 deletions SIAlertView/SIAlertView.h
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ typedef void(^SIAlertViewHandler)(SIAlertView *alertView);

@property (nonatomic, copy) NSString *title;
@property (nonatomic, copy) NSString *message;
@property (nonatomic, copy) UIImage *icon;

@property (nonatomic, assign) SIAlertViewTransitionStyle transitionStyle; // default is SIAlertViewTransitionStyleSlideFromBottom
@property (nonatomic, assign) SIAlertViewBackgroundStyle backgroundStyle; // default is SIAlertViewBackgroundStyleGradient
Expand All @@ -67,6 +68,9 @@ typedef void(^SIAlertViewHandler)(SIAlertView *alertView);
@property (nonatomic, strong) UIColor *buttonColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, strong) UIColor *cancelButtonColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, strong) UIColor *destructiveButtonColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, strong) UIColor *buttonBackgroundColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, strong) UIColor *cancelButtonBackgroundColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, strong) UIColor *destructiveButtonBackgroundColor NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR;
@property (nonatomic, assign) CGFloat cornerRadius NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; // default is 2.0
@property (nonatomic, assign) CGFloat shadowRadius NS_AVAILABLE_IOS(5_0) UI_APPEARANCE_SELECTOR; // default is 8.0

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79 changes: 79 additions & 0 deletions SIAlertView/SIAlertView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ @interface SIAlertView ()

@property (nonatomic, strong) UILabel *titleLabel;
@property (nonatomic, strong) UILabel *messageLabel;
@property (nonatomic, strong) UIImageView *iconImageView;
@property (nonatomic, strong) UIView *containerView;
@property (nonatomic, strong) NSMutableArray *buttons;

Expand Down Expand Up @@ -348,6 +349,12 @@ - (void)setMessage:(NSString *)message
[self invalidateLayout];
}

- (void)setIcon:(UIImage *)icon
{
_icon = icon;
[self invalidateLayout];
}

#pragma mark - Public

- (void)addButtonWithTitle:(NSString *)title type:(SIAlertViewButtonType)type handler:(SIAlertViewHandler)handler
Expand Down Expand Up @@ -731,7 +738,16 @@ - (void)validateLayout
self.containerView.layer.shadowPath = [UIBezierPath bezierPathWithRoundedRect:self.containerView.bounds cornerRadius:self.containerView.layer.cornerRadius].CGPath;

CGFloat y = CONTENT_PADDING_TOP;
if (self.iconImageView) {
self.iconImageView.image = self.icon;
CGFloat height = self.icon.size.height;
self.iconImageView.frame = CGRectMake(CONTENT_PADDING_LEFT, y, self.containerView.bounds.size.width - CONTENT_PADDING_LEFT * 2, height);
y += height;
}
if (self.titleLabel) {
if (y > CONTENT_PADDING_TOP) {
y += GAP;
}
self.titleLabel.text = self.title;
CGFloat height = [self heightForTitleLabel];
self.titleLabel.frame = CGRectMake(CONTENT_PADDING_LEFT, y, self.containerView.bounds.size.width - CONTENT_PADDING_LEFT * 2, height);
Expand Down Expand Up @@ -776,7 +792,13 @@ - (void)validateLayout
- (CGFloat)preferredHeight
{
CGFloat height = CONTENT_PADDING_TOP;
if (self.icon) {
height += self.icon.size.height;
}
if (self.title) {
if (height > CONTENT_PADDING_TOP) {
height += GAP;
}
height += [self heightForTitleLabel];
}
if (self.message) {
Expand Down Expand Up @@ -877,6 +899,7 @@ - (void)setup
[self setupContainerView];
[self updateTitleLabel];
[self updateMessageLabel];
[self updateIconImageView];
[self setupButtons];
[self invalidateLayout];
}
Expand All @@ -885,6 +908,7 @@ - (void)teardown
{
[self.containerView removeFromSuperview];
self.containerView = nil;
self.iconImageView = nil;
self.titleLabel = nil;
self.messageLabel = nil;
[self.buttons removeAllObjects];
Expand All @@ -904,6 +928,25 @@ - (void)setupContainerView
[self addSubview:self.containerView];
}

- (void)updateIconImageView
{
if (self.icon) {
if (!self.iconImageView) {
self.iconImageView = [[UIImageView alloc] initWithFrame:self.bounds];
[self.iconImageView setContentMode:UIViewContentModeScaleAspectFit];
[self.containerView addSubview:self.iconImageView];
#if DEBUG_LAYOUT
self.titleLabel.backgroundColor = [UIColor redColor];
#endif
}
self.iconImageView.image = self.icon;
} else {
[self.iconImageView removeFromSuperview];
self.iconImageView = nil;
}
[self invalidateLayout];
}

- (void)updateTitleLabel
{
if (self.title) {
Expand Down Expand Up @@ -1135,6 +1178,32 @@ - (void)setDestructiveButtonColor:(UIColor *)buttonColor
[self setColor:buttonColor toButtonsOfType:SIAlertViewButtonTypeDestructive];
}

- (void)setButtonBackgroundColor:(UIColor *)backgroundColor
{
if (_buttonBackgroundColor == backgroundColor) {
return;
}
_buttonBackgroundColor = backgroundColor;
[self setBackgroundColor:backgroundColor toButtonsOfType:SIAlertViewButtonTypeDefault];
}

- (void)setCancelButtonBackgroundColor:(UIColor *)backgroundColor
{
if (_cancelButtonBackgroundColor == backgroundColor) {
return;
}
_cancelButtonBackgroundColor = backgroundColor;
[self setBackgroundColor:backgroundColor toButtonsOfType:SIAlertViewButtonTypeCancel];
}

- (void)setDestructiveButtonBackgroundColor:(UIColor *)backgroundColor
{
if (_destructiveButtonBackgroundColor == backgroundColor) {
return;
}
_destructiveButtonBackgroundColor = backgroundColor;
[self setBackgroundColor:backgroundColor toButtonsOfType:SIAlertViewButtonTypeDestructive];
}

- (void)setDefaultButtonImage:(UIImage *)defaultButtonImage forState:(UIControlState)state
{
Expand Down Expand Up @@ -1179,6 +1248,16 @@ -(void)setColor:(UIColor *)color toButtonsOfType:(SIAlertViewButtonType)type {
}
}

-(void)setBackgroundColor:(UIColor *)color toButtonsOfType:(SIAlertViewButtonType)type {
for (NSUInteger i = 0; i < self.items.count; i++) {
SIAlertItem *item = self.items[i];
if(item.type == type) {
UIButton *button = self.buttons[i];
button.backgroundColor = color;
}
}
}

# pragma mark -
# pragma mark Enable parallax effect (iOS7 only)

Expand Down