UIView+BOX

UIView+BOX.h

#import <UIKit/UIKit.h>


// Shortcut of frame rect
@interface UIView (BOX)

@property (nonatomic, assign) CGFloat box_x;
@property (nonatomic, assign) CGFloat box_y;
@property (nonatomic, assign) CGFloat box_width;
@property (nonatomic, assign) CGFloat box_height;

@property (nonatomic, assign) CGFloat box_centerX;
@property (nonatomic, assign) CGFloat box_centerY;

@property (nonatomic, assign) CGFloat box_top;
@property (nonatomic, assign) CGFloat box_right;
@property (nonatomic, assign) CGFloat box_bottom;
@property (nonatomic, assign) CGFloat box_left;

@property (nonatomic, assign, readonly) CGFloat box_halfWidth;
@property (nonatomic, assign, readonly) CGFloat box_halfHeight;

@property (nonatomic, assign) CGPoint box_origin;
@property (nonatomic, assign) CGSize  box_size;

// Origin
- (void)box_x:(CGFloat)x
            y:(CGFloat)y;

// Size
- (void)box_width:(CGFloat)width
           height:(CGFloat)height;

// Frame
- (void)box_x:(CGFloat)x
            y:(CGFloat)y
        width:(CGFloat)width
       height:(CGFloat)height;
@end

UIView+BOX.m

#import "UIView+BOX.h"


@implementation UIView (BOX)

- (CGFloat)box_x      { return self.frame.origin.x;    }
- (CGFloat)box_y      { return self.frame.origin.y;    }
- (CGFloat)box_width  { return self.frame.size.width;  }
- (CGFloat)box_height { return self.frame.size.height; }

- (void)setBox_x:(CGFloat)x           { [self     box_x:x                   y:self.box_y     ]; }
- (void)setBox_y:(CGFloat)y           { [self     box_x:self.box_x          y:y              ]; }
- (void)setBox_width:(CGFloat)width   { [self box_width:width          height:self.box_height]; }
- (void)setBox_height:(CGFloat)height { [self box_width:self.box_width height:height         ]; }


- (CGFloat)box_centerX { return self.center.x; }
- (CGFloat)box_centerY { return self.center.y; }

- (void)setBox_centerX:(CGFloat)centerX { self.center = CGPointMake(centerX, self.center.y); }
- (void)setBox_centerY:(CGFloat)centerY { self.center = CGPointMake(self.center.x, centerY); }


- (CGFloat)box_top    { return self.box_y;                   }
- (CGFloat)box_right  { return self.box_x + self.box_width;  }
- (CGFloat)box_bottom { return self.box_y + self.box_height; }
- (CGFloat)box_left   { return self.box_x;                   }

- (void)setBox_top:(CGFloat)y         { self.box_y = y;                        }
- (void)setBox_right:(CGFloat)right   { self.box_x = right  - self.box_width;  }
- (void)setBox_bottom:(CGFloat)bottom { self.box_y = bottom - self.box_height; }
- (void)setBox_left:(CGFloat)x        { self.box_x = x;                        }


- (CGFloat)box_halfWidth  { return self.box_width  / 2.0; }
- (CGFloat)box_halfHeight { return self.box_height / 2.0; }

- (CGPoint)box_origin { return self.frame.origin; }
- (CGSize)box_size    { return self.frame.size;   }

- (void)setBox_origin:(CGPoint)origin { [self     box_x:origin.x        y:origin.y   ]; }
- (void)setBox_size:(CGSize)size      { [self box_width:size.width height:size.height]; }


// Origin
- (void)box_x:(CGFloat)x
            y:(CGFloat)y
{
    [self box_x:x
              y:y
          width:self.box_width
         height:self.box_height];
}

// Size
- (void)box_width:(CGFloat)width
           height:(CGFloat)height
{
    [self box_x:self.box_x
              y:self.box_y
          width:width
         height:height];
}

// Frame
- (void)box_x:(CGFloat)x
            y:(CGFloat)y
        width:(CGFloat)width
       height:(CGFloat)height
{
    self.frame = CGRectMake(x, y, width, height);
}

@end