UIView+EasyFrame

UIView+EasyFrame.h

#import <UIKit/UIKit.h>

@interface UIView (EasyFrame)

@property (nonatomic) CGFloat left;
@property (nonatomic) CGFloat top;
@property (nonatomic) CGFloat right;
@property (nonatomic) CGFloat bottom;

@property (nonatomic) CGFloat width;
@property (nonatomic) CGFloat height;

@property (nonatomic) CGFloat centerX;
@property (nonatomic) CGFloat centerY;

@property (nonatomic) CGPoint origin;
@property (nonatomic) CGSize  size;

@end

UIView+EasyFrame.m

#import "UIView+EasyFrame.h"

@implementation UIView (EasyFrame)

- (CGFloat)left {
	return self.frame.origin.x;
}

- (void)setLeft:(CGFloat)x {
	CGRect frame = self.frame;
	frame.origin.x = x;
	self.frame = frame;
}

- (CGFloat)top {
	return self.frame.origin.y;
}

- (void)setTop:(CGFloat)y {
	CGRect frame = self.frame;
	frame.origin.y = y;
	self.frame = frame;
}

- (CGFloat)right {
	return self.frame.origin.x + self.frame.size.width;
}

- (void)setRight:(CGFloat)right {
	CGRect frame = self.frame;
	frame.origin.x = right - frame.size.width;
	self.frame = frame;
}

- (CGFloat)bottom {
	return self.frame.origin.y + self.frame.size.height;
}

- (void)setBottom:(CGFloat)bottom {
	CGRect frame = self.frame;
	frame.origin.y = bottom - frame.size.height;
	self.frame = frame;
}

- (CGFloat)centerX {
	return self.center.x;
}

- (void)setCenterX:(CGFloat)centerX {
	self.center = CGPointMake(centerX, self.center.y);
}

- (CGFloat)centerY {
	return self.center.y;
}

- (void)setCenterY:(CGFloat)centerY {
	self.center = CGPointMake(self.center.x, centerY);
}

- (CGFloat)width {
	return self.frame.size.width;
}

- (void)setWidth:(CGFloat)width {
	CGRect frame = self.frame;
	frame.size.width = width;
	self.frame = frame;
}

- (CGFloat)height {
	return self.frame.size.height;
}

- (void)setHeight:(CGFloat)height {
	CGRect frame = self.frame;
	frame.size.height = height;
	self.frame = frame;
}

- (CGPoint)origin {
	return self.frame.origin;
}

- (void)setOrigin:(CGPoint)origin {
	CGRect frame = self.frame;
	frame.origin = origin;
	self.frame = frame;
}

- (CGSize)size {
	return self.frame.size;
}

- (void)setSize:(CGSize)size {
	CGRect frame = self.frame;
	frame.size = size;
	self.frame = frame;
}