#import <UIKit/UIKit.h>

@interface HSCButton : UIButton

{

    CGPoint beginPoint;

}

@property (nonatomic) BOOL dragEnable;

@end

#import "HSCButton.h"

@implementation HSCButton

@synthesize dragEnable;

- (id)initWithFrame:(CGRect)frame

{

    self = [super initWithFrame:frame];

    if (self)

    {

        self.backgroundColor = [UIColor clearColor];

    }

    return self;

}

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    if (!dragEnable) {

        return;

    }

    UITouch *touch = [touches anyObject];

    beginPoint = [touch locationInView:self];

}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event

{

    if (!dragEnable) {

        return;

    }

    UITouch *touch = [touches anyObject];

    CGPoint nowPoint = [touch locationInView:self];

    float offsetX = nowPoint.x - beginPoint.x;

    float offsetY = nowPoint.y - beginPoint.y;

    self.center = CGPointMake(self.center.x + offsetX, self.center.y + offsetY);

}