//
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// MASConstraintBuilder.h
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// Masonry
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//
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// Created by Jonas Budelmann on 20/07/13.
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// Copyright (c) 2013 cloudling. All rights reserved.
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//
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#import "MASConstraint.h"
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#import "MASUtilities.h"
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typedef NS_OPTIONS(NSInteger, MASAttribute) {
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MASAttributeLeft = 1 << NSLayoutAttributeLeft,
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MASAttributeRight = 1 << NSLayoutAttributeRight,
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MASAttributeTop = 1 << NSLayoutAttributeTop,
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MASAttributeBottom = 1 << NSLayoutAttributeBottom,
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MASAttributeLeading = 1 << NSLayoutAttributeLeading,
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MASAttributeTrailing = 1 << NSLayoutAttributeTrailing,
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MASAttributeWidth = 1 << NSLayoutAttributeWidth,
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MASAttributeHeight = 1 << NSLayoutAttributeHeight,
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MASAttributeCenterX = 1 << NSLayoutAttributeCenterX,
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MASAttributeCenterY = 1 << NSLayoutAttributeCenterY,
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MASAttributeBaseline = 1 << NSLayoutAttributeBaseline,
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#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
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MASAttributeFirstBaseline = 1 << NSLayoutAttributeFirstBaseline,
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MASAttributeLastBaseline = 1 << NSLayoutAttributeLastBaseline,
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#endif
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#if TARGET_OS_IPHONE || TARGET_OS_TV
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MASAttributeLeftMargin = 1 << NSLayoutAttributeLeftMargin,
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MASAttributeRightMargin = 1 << NSLayoutAttributeRightMargin,
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MASAttributeTopMargin = 1 << NSLayoutAttributeTopMargin,
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MASAttributeBottomMargin = 1 << NSLayoutAttributeBottomMargin,
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MASAttributeLeadingMargin = 1 << NSLayoutAttributeLeadingMargin,
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MASAttributeTrailingMargin = 1 << NSLayoutAttributeTrailingMargin,
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MASAttributeCenterXWithinMargins = 1 << NSLayoutAttributeCenterXWithinMargins,
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MASAttributeCenterYWithinMargins = 1 << NSLayoutAttributeCenterYWithinMargins,
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#endif
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};
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/**
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* Provides factory methods for creating MASConstraints.
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* Constraints are collected until they are ready to be installed
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*
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*/
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@interface MASConstraintMaker : NSObject
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/**
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* The following properties return a new MASViewConstraint
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* with the first item set to the makers associated view and the appropriate MASViewAttribute
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*/
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@property (nonatomic, strong, readonly) MASConstraint *left;
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@property (nonatomic, strong, readonly) MASConstraint *top;
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@property (nonatomic, strong, readonly) MASConstraint *right;
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@property (nonatomic, strong, readonly) MASConstraint *bottom;
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@property (nonatomic, strong, readonly) MASConstraint *leading;
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@property (nonatomic, strong, readonly) MASConstraint *trailing;
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@property (nonatomic, strong, readonly) MASConstraint *width;
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@property (nonatomic, strong, readonly) MASConstraint *height;
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@property (nonatomic, strong, readonly) MASConstraint *centerX;
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@property (nonatomic, strong, readonly) MASConstraint *centerY;
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@property (nonatomic, strong, readonly) MASConstraint *baseline;
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#if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
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@property (nonatomic, strong, readonly) MASConstraint *firstBaseline;
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@property (nonatomic, strong, readonly) MASConstraint *lastBaseline;
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#endif
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#if TARGET_OS_IPHONE || TARGET_OS_TV
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@property (nonatomic, strong, readonly) MASConstraint *leftMargin;
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@property (nonatomic, strong, readonly) MASConstraint *rightMargin;
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@property (nonatomic, strong, readonly) MASConstraint *topMargin;
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@property (nonatomic, strong, readonly) MASConstraint *bottomMargin;
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@property (nonatomic, strong, readonly) MASConstraint *leadingMargin;
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@property (nonatomic, strong, readonly) MASConstraint *trailingMargin;
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@property (nonatomic, strong, readonly) MASConstraint *centerXWithinMargins;
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@property (nonatomic, strong, readonly) MASConstraint *centerYWithinMargins;
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#endif
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/**
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* Returns a block which creates a new MASCompositeConstraint with the first item set
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* to the makers associated view and children corresponding to the set bits in the
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* MASAttribute parameter. Combine multiple attributes via binary-or.
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*/
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@property (nonatomic, strong, readonly) MASConstraint *(^attributes)(MASAttribute attrs);
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/**
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* Creates a MASCompositeConstraint with type MASCompositeConstraintTypeEdges
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* which generates the appropriate MASViewConstraint children (top, left, bottom, right)
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* with the first item set to the makers associated view
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*/
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@property (nonatomic, strong, readonly) MASConstraint *edges;
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/**
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* Creates a MASCompositeConstraint with type MASCompositeConstraintTypeSize
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* which generates the appropriate MASViewConstraint children (width, height)
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* with the first item set to the makers associated view
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*/
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@property (nonatomic, strong, readonly) MASConstraint *size;
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/**
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* Creates a MASCompositeConstraint with type MASCompositeConstraintTypeCenter
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* which generates the appropriate MASViewConstraint children (centerX, centerY)
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* with the first item set to the makers associated view
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*/
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@property (nonatomic, strong, readonly) MASConstraint *center;
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/**
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* Whether or not to check for an existing constraint instead of adding constraint
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*/
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@property (nonatomic, assign) BOOL updateExisting;
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/**
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* Whether or not to remove existing constraints prior to installing
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*/
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@property (nonatomic, assign) BOOL removeExisting;
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/**
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* initialises the maker with a default view
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*
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* @param view any MASConstrait are created with this view as the first item
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*
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* @return a new MASConstraintMaker
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*/
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- (id)initWithView:(MAS_VIEW *)view;
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/**
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* Calls install method on any MASConstraints which have been created by this maker
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*
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* @return an array of all the installed MASConstraints
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*/
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- (NSArray *)install;
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- (MASConstraint * (^)(dispatch_block_t))group;
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@end
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