//
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// MASAttribute.h
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// Masonry
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//
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// Created by Jonas Budelmann on 21/07/13.
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// Copyright (c) 2013 cloudling. All rights reserved.
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//
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#import "MASUtilities.h"
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/**
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* An immutable tuple which stores the view and the related NSLayoutAttribute.
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* Describes part of either the left or right hand side of a constraint equation
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*/
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@interface MASViewAttribute : NSObject
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/**
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* The view which the reciever relates to. Can be nil if item is not a view.
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*/
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@property (nonatomic, weak, readonly) MAS_VIEW *view;
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/**
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* The item which the reciever relates to.
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*/
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@property (nonatomic, weak, readonly) id item;
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/**
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* The attribute which the reciever relates to
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*/
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@property (nonatomic, assign, readonly) NSLayoutAttribute layoutAttribute;
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/**
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* Convenience initializer.
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*/
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- (id)initWithView:(MAS_VIEW *)view layoutAttribute:(NSLayoutAttribute)layoutAttribute;
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/**
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* The designated initializer.
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*/
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- (id)initWithView:(MAS_VIEW *)view item:(id)item layoutAttribute:(NSLayoutAttribute)layoutAttribute;
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/**
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* Determine whether the layoutAttribute is a size attribute
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*
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* @return YES if layoutAttribute is equal to NSLayoutAttributeWidth or NSLayoutAttributeHeight
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*/
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- (BOOL)isSizeAttribute;
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@end
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