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