Custom UILabel

VerticallyAlignedLabel.h

//
// VerticallyAlignedLabel.h
//

#import <Foundation/Foundation.h>


typedef enum VerticalAlignment {
 VerticalAlignmentTop,
 VerticalAlignmentMiddle,
 VerticalAlignmentBottom,
} VerticalAlignment;

@interface VerticallyAlignedLabel : UILabel {
@private
 VerticalAlignment verticalAlignment_;
}

@property (nonatomic, assign) VerticalAlignment verticalAlignment;

@end

VerticallyAlignedLabel.m

//
// VerticallyAlignedLabel.m
//

#import "VerticallyAlignedLabel.h"


@implementation VerticallyAlignedLabel

@synthesize verticalAlignment = verticalAlignment_;

- (id)initWithFrame:(CGRect)frame {
 if (self = [super initWithFrame:frame]) {
 self.verticalAlignment = VerticalAlignmentMiddle;
 }
 return self;
}

- (void)setVerticalAlignment:(VerticalAlignment)verticalAlignment {
 verticalAlignment_ = verticalAlignment;
 [self setNeedsDisplay];
}

- (CGRect)textRectForBounds:(CGRect)bounds limitedToNumberOfLines:(NSInteger)numberOfLines {
 CGRect textRect = [super textRectForBounds:bounds limitedToNumberOfLines:numberOfLines];
 switch (self.verticalAlignment) {
 case VerticalAlignmentTop:
 textRect.origin.y = bounds.origin.y;
 break;
 case VerticalAlignmentBottom:
 textRect.origin.y = bounds.origin.y + bounds.size.height - textRect.size.height;
 break;
 case VerticalAlignmentMiddle:
 // Fall through.
 default:
 textRect.origin.y = bounds.origin.y + (bounds.size.height - textRect.size.height) / 2.0;
 }
 return textRect;
}

-(void)drawTextInRect:(CGRect)requestedRect {
 CGRect actualRect = [self textRectForBounds:requestedRect limitedToNumberOfLines:self.numberOfLines];
 [super drawTextInRect:actualRect];
}

@end