Allows setting nativeCSS (nativecss.com) id and class as user defined runtime attributes in interface builder.

UIView+NativeCSSIBShim.h

#import <UIKit/UIKit.h>
#import "UIView+NativeCSS.h"

@interface UIView (NativeCSSIBShim)

@property (nonatomic,weak) NSString *nativeCSSId;
@property (nonatomic,weak) NSString *nativeCSSClass;

@end

UIView+NativeCSSIBShim.m

#import "UIView+NativeCSSIBShim.h"

@implementation UIView (NativeCSSIBShim)

- (void) setNativeCSSClass:(NSString *)CSSClass
{
    NSArray *classes = [self CSSClasses];
    for (NSString *class in classes) {
        [self removeCSSClass:class];
    }
    classes = [CSSClass componentsSeparatedByString:@" "];
    for (NSString *class in classes) {
        [self addCSSClass:class];
    }
}

- (NSString *) nativeCSSClass
{
    NSString *classes;
    for (NSString *class in [self CSSClasses]) {
        classes = [classes stringByAppendingFormat:@" %@",class ];
    }
    return classes;
}

- (void) setNativeCSSId:(NSString *)NativeCSSId
{
    [self setCSSId:NativeCSSId];
}

- (NSString *) nativeCSSId
{
    return [self CSSId];
}

@end