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Added dynamic resizing for multiline messages #24

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Added dynamic resizing for multiline messages #24

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16 changes: 13 additions & 3 deletions SlingshotDropdownAlert/RKDropdownAlert.m
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Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,10 @@ - (id)initWithFrame:(CGRect)frame
messageLabel.textColor = defaultTextColor;
messageLabel.font = [messageLabel.font fontWithSize:FONT_SIZE];
messageLabel.lineBreakMode = NSLineBreakByWordWrapping;
messageLabel.numberOfLines = 2; // 2 lines ; 0 - dynamic number of lines
messageLabel.numberOfLines = 0; // 2 lines ; 0 - dynamic number of lines
messageLabel.textAlignment = NSTextAlignmentCenter;

messageLabel.autoresizingMask = UIViewAutoresizingFlexibleHeight;
[self addSubview:messageLabel];

[self addTarget:self action:@selector(hideView:) forControlEvents:UIControlEventTouchUpInside];
Expand Down Expand Up @@ -252,11 +254,16 @@ -(void)title:(NSString*)title message:(NSString*)message backgroundColor:(UIColo
frame.origin.y = STATUS_BAR_HEIGHT+5;
titleLabel.frame = frame;
}

CGRect frame = self.frame;
frame.size.height = [self estimateHeight];
self.frame = frame;
} else {
CGRect frame = titleLabel.frame;
frame.size.height = HEIGHT-2*Y_BUFFER-STATUS_BAR_HEIGHT;
frame.origin.y = Y_BUFFER+STATUS_BAR_HEIGHT;
titleLabel.frame = frame;
// TODO: calculate height
}

if (backgroundColor) {
Expand Down Expand Up @@ -292,8 +299,11 @@ -(void)title:(NSString*)title message:(NSString*)message backgroundColor:(UIColo
[self performSelector:@selector(viewWasTapped:) withObject:self afterDelay:time+ANIMATION_TIME];
}



- (int)estimateHeight {
CGSize constraint = CGSizeMake(messageLabel.frame.size.width, 9999);
CGSize size = [messageLabel sizeThatFits:constraint];
return messageLabel.frame.origin.y + size.height + 2*Y_BUFFER; // height + padding
}

-(BOOL)messageTextIsOneLine
{
Expand Down