NSLayoutConstraint+FullscreenConstraints

NSLayoutConstraint+FullscreenConstraints.h

//
//  NSLayoutConstraint+FullscreenConstraints.h
//
//  Created by Florian Friedrich on 30.12.13.
//  Copyright (c) 2013 Florian Friedrich. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
// 
//  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>

@interface NSLayoutConstraint (FullscreenConstraints)

+ (NSArray *)fullscreenConstraintsForSubview:(UIView *)subview inSuperview:(UIView *)superview;

+ (void)setupSubview:(UIView *)subview fullscreenInSuperview:(UIView *)superview;

@end

NSLayoutConstraint+FullscreenConstraints.m

//
//  NSLayoutConstraint+FullscreenConstraints.m
//
//  Created by Florian Friedrich on 30.12.13.
//  Copyright (c) 2013 Florian Friedrich. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
// 
//  The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

#import "NSLayoutConstraint+FullscreenConstraints.h"

@implementation NSLayoutConstraint (FullscreenConstraints)

+ (NSArray *)fullscreenConstraintsForSubview:(UIView *)subview inSuperview:(UIView *)superview
{
    NSParameterAssert(subview != nil);
    NSParameterAssert(superview != nil);
    
    NSDictionary *viewsDictionary = NSDictionaryOfVariableBindings(subview);
    
    NSArray *horzConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"H:|[subview]|" options:kNilOptions metrics:nil views:viewsDictionary];
    
    NSArray *vertConstraints = [NSLayoutConstraint constraintsWithVisualFormat:@"V:|[subview]|" options:kNilOptions metrics:nil views:viewsDictionary];
    
    return [horzConstraints arrayByAddingObjectsFromArray:vertConstraints];
}

+ (void)setupSubview:(UIView *)subview fullscreenInSuperview:(UIView *)superview
{
    NSParameterAssert(subview != nil);
    NSParameterAssert(superview != nil);
    
    subview.translatesAutoresizingMaskIntoConstraints = NO;
    [superview addSubview:subview];
    
    NSArray *constraints = [self fullscreenConstraintsForSubview:subview inSuperview:superview];
    [superview addConstraints:constraints];
}

@end