├── .gitignore ├── HYChangeableCollection.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ ├── contents.xcworkspacedata │ └── xcshareddata │ │ └── IDEWorkspaceChecks.plist └── xcuserdata │ └── Hank.xcuserdatad │ ├── xcdebugger │ └── Breakpoints_v2.xcbkptlist │ └── xcschemes │ └── xcschememanagement.plist ├── HYChangeableCollection ├── AppDelegate.h ├── AppDelegate.m ├── Assets.xcassets │ ├── AppIcon.appiconset │ │ └── Contents.json │ └── Contents.json ├── Base.lproj │ ├── LaunchScreen.storyboard │ └── Main.storyboard ├── HYChangeableCell.h ├── HYChangeableCell.m ├── Info.plist ├── ViewController.h ├── ViewController.m └── main.m ├── LICENSE ├── Masonry └── Masonry │ ├── MASCompositeConstraint.h │ ├── MASCompositeConstraint.m │ ├── MASConstraint+Private.h │ ├── MASConstraint.h │ ├── MASConstraint.m │ ├── MASConstraintMaker.h │ ├── MASConstraintMaker.m │ ├── MASLayoutConstraint.h │ ├── MASLayoutConstraint.m │ ├── MASUtilities.h │ ├── MASViewAttribute.h │ ├── MASViewAttribute.m │ ├── MASViewConstraint.h │ ├── MASViewConstraint.m │ ├── Masonry.h │ ├── NSArray+MASAdditions.h │ ├── NSArray+MASAdditions.m │ ├── NSArray+MASShorthandAdditions.h │ ├── NSLayoutConstraint+MASDebugAdditions.h │ ├── NSLayoutConstraint+MASDebugAdditions.m │ ├── View+MASAdditions.h │ ├── View+MASAdditions.m │ ├── View+MASShorthandAdditions.h │ ├── ViewController+MASAdditions.h │ └── ViewController+MASAdditions.m ├── README.md ├── image ├── 1.jpg ├── 10.jpg ├── 2.jpg ├── 3.jpg ├── 4.jpg ├── 5.jpg ├── 6.jpg ├── 7.jpg ├── 8.jpg └── 9.jpg ├── 切换动画.gif └── 动画慢放.gif /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | # gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore 4 | 5 | ## Build generated 6 | build/ 7 | DerivedData/ 8 | 9 | ## Various settings 10 | *.pbxuser 11 | !default.pbxuser 12 | *.mode1v3 13 | !default.mode1v3 14 | *.mode2v3 15 | !default.mode2v3 16 | *.perspectivev3 17 | !default.perspectivev3 18 | xcuserdata/ 19 | 20 | ## Other 21 | *.moved-aside 22 | *.xccheckout 23 | *.xcscmblueprint 24 | 25 | ## Obj-C/Swift specific 26 | *.hmap 27 | *.ipa 28 | *.dSYM.zip 29 | *.dSYM 30 | 31 | # CocoaPods 32 | # 33 | # We recommend against adding the Pods directory to your .gitignore. However 34 | # you should judge for yourself, the pros and cons are mentioned at: 35 | # https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control 36 | # 37 | # Pods/ 38 | 39 | # Carthage 40 | # 41 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 42 | # Carthage/Checkouts 43 | 44 | Carthage/Build 45 | 46 | # fastlane 47 | # 48 | # It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 49 | # screenshots whenever they are needed. 50 | # For more information about the recommended setup visit: 51 | # https://docs.fastlane.tools/best-practices/source-control/#source-control 52 | 53 | fastlane/report.xml 54 | fastlane/Preview.html 55 | fastlane/screenshots/**/*.png 56 | fastlane/test_output 57 | 58 | # Code Injection 59 | # 60 | # After new code Injection tools there's a generated folder /iOSInjectionProject 61 | # https://github.com/johnno1962/injectionforxcode 62 | 63 | iOSInjectionProject/ 64 | -------------------------------------------------------------------------------- /HYChangeableCollection.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 50; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 3689AC9321DC914A00C195E9 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; 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288 | runOnlyForDeploymentPostprocessing = 0; 289 | }; 290 | /* End PBXSourcesBuildPhase section */ 291 | 292 | /* Begin PBXVariantGroup section */ 293 | 3689AC9721DC914A00C195E9 /* Main.storyboard */ = { 294 | isa = PBXVariantGroup; 295 | children = ( 296 | 3689AC9821DC914A00C195E9 /* Base */, 297 | ); 298 | name = Main.storyboard; 299 | sourceTree = ""; 300 | }; 301 | 3689AC9C21DC914C00C195E9 /* LaunchScreen.storyboard */ = { 302 | isa = PBXVariantGroup; 303 | children = ( 304 | 3689AC9D21DC914C00C195E9 /* Base */, 305 | ); 306 | name = LaunchScreen.storyboard; 307 | sourceTree = ""; 308 | }; 309 | /* End PBXVariantGroup section */ 310 | 311 | /* Begin XCBuildConfiguration section */ 312 | 3689ACA221DC914C00C195E9 /* Debug */ = { 313 | isa = XCBuildConfiguration; 314 | buildSettings = { 315 | ALWAYS_SEARCH_USER_PATHS = NO; 316 | CLANG_ANALYZER_NONNULL = YES; 317 | CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE; 318 | CLANG_CXX_LANGUAGE_STANDARD = "gnu++14"; 319 | CLANG_CXX_LIBRARY = "libc++"; 320 | CLANG_ENABLE_MODULES = YES; 321 | CLANG_ENABLE_OBJC_ARC = YES; 322 | CLANG_ENABLE_OBJC_WEAK = YES; 323 | CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES; 324 | CLANG_WARN_BOOL_CONVERSION = YES; 325 | CLANG_WARN_COMMA = YES; 326 | CLANG_WARN_CONSTANT_CONVERSION = YES; 327 | CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES; 328 | CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR; 329 | CLANG_WARN_DOCUMENTATION_COMMENTS = YES; 330 | CLANG_WARN_EMPTY_BODY = YES; 331 | CLANG_WARN_ENUM_CONVERSION = YES; 332 | CLANG_WARN_INFINITE_RECURSION = YES; 333 | CLANG_WARN_INT_CONVERSION = YES; 334 | CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES; 335 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES; 336 | CLANG_WARN_OBJC_LITERAL_CONVERSION = YES; 337 | CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR; 338 | CLANG_WARN_RANGE_LOOP_ANALYSIS = YES; 339 | CLANG_WARN_STRICT_PROTOTYPES = YES; 340 | CLANG_WARN_SUSPICIOUS_MOVE = YES; 341 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE; 342 | CLANG_WARN_UNREACHABLE_CODE = YES; 343 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES; 344 | CODE_SIGN_IDENTITY = "iPhone Developer"; 345 | COPY_PHASE_STRIP = NO; 346 | DEBUG_INFORMATION_FORMAT = dwarf; 347 | ENABLE_STRICT_OBJC_MSGSEND = YES; 348 | ENABLE_TESTABILITY = YES; 349 | GCC_C_LANGUAGE_STANDARD = gnu11; 350 | GCC_DYNAMIC_NO_PIC = NO; 351 | GCC_NO_COMMON_BLOCKS = YES; 352 | GCC_OPTIMIZATION_LEVEL = 0; 353 | GCC_PREPROCESSOR_DEFINITIONS = ( 354 | "DEBUG=1", 355 | "$(inherited)", 356 | ); 357 | GCC_WARN_64_TO_32_BIT_CONVERSION = YES; 358 | GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR; 359 | GCC_WARN_UNDECLARED_SELECTOR = YES; 360 | GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; 361 | GCC_WARN_UNUSED_FUNCTION = YES; 362 | GCC_WARN_UNUSED_VARIABLE = YES; 363 | IPHONEOS_DEPLOYMENT_TARGET = 12.1; 364 | MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE; 365 | MTL_FAST_MATH = YES; 366 | ONLY_ACTIVE_ARCH = YES; 367 | SDKROOT = iphoneos; 368 | }; 369 | name = Debug; 370 | }; 371 | 3689ACA321DC914C00C195E9 /* Release */ = { 372 | isa = XCBuildConfiguration; 373 | buildSettings = { 374 | ALWAYS_SEARCH_USER_PATHS = NO; 375 | CLANG_ANALYZER_NONNULL = YES; 376 | CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE; 377 | CLANG_CXX_LANGUAGE_STANDARD = "gnu++14"; 378 | CLANG_CXX_LIBRARY = "libc++"; 379 | CLANG_ENABLE_MODULES = YES; 380 | CLANG_ENABLE_OBJC_ARC = YES; 381 | CLANG_ENABLE_OBJC_WEAK = YES; 382 | CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES; 383 | CLANG_WARN_BOOL_CONVERSION = YES; 384 | CLANG_WARN_COMMA = YES; 385 | CLANG_WARN_CONSTANT_CONVERSION = YES; 386 | CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES; 387 | CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR; 388 | CLANG_WARN_DOCUMENTATION_COMMENTS = YES; 389 | CLANG_WARN_EMPTY_BODY = YES; 390 | CLANG_WARN_ENUM_CONVERSION = YES; 391 | CLANG_WARN_INFINITE_RECURSION = YES; 392 | CLANG_WARN_INT_CONVERSION = YES; 393 | CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES; 394 | CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES; 395 | CLANG_WARN_OBJC_LITERAL_CONVERSION = YES; 396 | CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR; 397 | CLANG_WARN_RANGE_LOOP_ANALYSIS = YES; 398 | CLANG_WARN_STRICT_PROTOTYPES = YES; 399 | CLANG_WARN_SUSPICIOUS_MOVE = YES; 400 | CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE; 401 | CLANG_WARN_UNREACHABLE_CODE = YES; 402 | CLANG_WARN__DUPLICATE_METHOD_MATCH = YES; 403 | CODE_SIGN_IDENTITY = "iPhone Developer"; 404 | COPY_PHASE_STRIP = NO; 405 | DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; 406 | ENABLE_NS_ASSERTIONS = NO; 407 | ENABLE_STRICT_OBJC_MSGSEND = YES; 408 | GCC_C_LANGUAGE_STANDARD = gnu11; 409 | GCC_NO_COMMON_BLOCKS = YES; 410 | GCC_WARN_64_TO_32_BIT_CONVERSION = YES; 411 | GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR; 412 | GCC_WARN_UNDECLARED_SELECTOR = YES; 413 | GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE; 414 | GCC_WARN_UNUSED_FUNCTION = YES; 415 | GCC_WARN_UNUSED_VARIABLE = YES; 416 | IPHONEOS_DEPLOYMENT_TARGET = 12.1; 417 | MTL_ENABLE_DEBUG_INFO = NO; 418 | MTL_FAST_MATH = YES; 419 | SDKROOT = iphoneos; 420 | VALIDATE_PRODUCT = YES; 421 | }; 422 | name = Release; 423 | }; 424 | 3689ACA521DC914C00C195E9 /* Debug */ = { 425 | isa = XCBuildConfiguration; 426 | buildSettings = { 427 | ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; 428 | CODE_SIGN_STYLE = Automatic; 429 | INFOPLIST_FILE = HYChangeableCollection/Info.plist; 430 | LD_RUNPATH_SEARCH_PATHS = ( 431 | "$(inherited)", 432 | "@executable_path/Frameworks", 433 | ); 434 | PRODUCT_BUNDLE_IDENTIFIER = com.Hank.Demo.HYChangeableCollection; 435 | PRODUCT_NAME = "$(TARGET_NAME)"; 436 | TARGETED_DEVICE_FAMILY = "1,2"; 437 | }; 438 | name = Debug; 439 | }; 440 | 3689ACA621DC914C00C195E9 /* Release */ = { 441 | isa = XCBuildConfiguration; 442 | buildSettings = { 443 | ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon; 444 | CODE_SIGN_STYLE = Automatic; 445 | INFOPLIST_FILE = HYChangeableCollection/Info.plist; 446 | LD_RUNPATH_SEARCH_PATHS = ( 447 | "$(inherited)", 448 | "@executable_path/Frameworks", 449 | ); 450 | PRODUCT_BUNDLE_IDENTIFIER = com.Hank.Demo.HYChangeableCollection; 451 | PRODUCT_NAME = "$(TARGET_NAME)"; 452 | TARGETED_DEVICE_FAMILY = "1,2"; 453 | }; 454 | name = Release; 455 | }; 456 | /* End XCBuildConfiguration section */ 457 | 458 | /* Begin XCConfigurationList section */ 459 | 3689AC8921DC914A00C195E9 /* Build configuration list for PBXProject "HYChangeableCollection" */ = { 460 | isa = XCConfigurationList; 461 | buildConfigurations = ( 462 | 3689ACA221DC914C00C195E9 /* Debug */, 463 | 3689ACA321DC914C00C195E9 /* Release */, 464 | ); 465 | defaultConfigurationIsVisible = 0; 466 | defaultConfigurationName = Release; 467 | }; 468 | 3689ACA421DC914C00C195E9 /* Build configuration list for PBXNativeTarget "HYChangeableCollection" */ = { 469 | isa = XCConfigurationList; 470 | buildConfigurations = ( 471 | 3689ACA521DC914C00C195E9 /* Debug */, 472 | 3689ACA621DC914C00C195E9 /* Release */, 473 | ); 474 | defaultConfigurationIsVisible = 0; 475 | defaultConfigurationName = Release; 476 | }; 477 | /* End XCConfigurationList section */ 478 | }; 479 | rootObject = 3689AC8621DC914A00C195E9 /* Project object */; 480 | } 481 | -------------------------------------------------------------------------------- /HYChangeableCollection.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /HYChangeableCollection.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /HYChangeableCollection.xcodeproj/xcuserdata/Hank.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | -------------------------------------------------------------------------------- /HYChangeableCollection.xcodeproj/xcuserdata/Hank.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | HYChangeableCollection.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 0 11 | 12 | 13 | 14 | 15 | -------------------------------------------------------------------------------- /HYChangeableCollection/AppDelegate.h: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.h 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface AppDelegate : UIResponder 12 | 13 | @property (strong, nonatomic) UIWindow *window; 14 | 15 | 16 | @end 17 | 18 | -------------------------------------------------------------------------------- /HYChangeableCollection/AppDelegate.m: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.m 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import "AppDelegate.h" 10 | 11 | @interface AppDelegate () 12 | 13 | @end 14 | 15 | @implementation AppDelegate 16 | 17 | 18 | - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { 19 | // Override point for customization after application launch. 20 | return YES; 21 | } 22 | 23 | 24 | - (void)applicationWillResignActive:(UIApplication *)application { 25 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 26 | // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game. 27 | } 28 | 29 | 30 | - (void)applicationDidEnterBackground:(UIApplication *)application { 31 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 32 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 33 | } 34 | 35 | 36 | - (void)applicationWillEnterForeground:(UIApplication *)application { 37 | // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background. 38 | } 39 | 40 | 41 | - (void)applicationDidBecomeActive:(UIApplication *)application { 42 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 43 | } 44 | 45 | 46 | - (void)applicationWillTerminate:(UIApplication *)application { 47 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 48 | } 49 | 50 | 51 | @end 52 | -------------------------------------------------------------------------------- /HYChangeableCollection/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "20x20", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "20x20", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "29x29", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "29x29", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "40x40", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "40x40", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "idiom" : "iphone", 35 | "size" : "60x60", 36 | "scale" : "2x" 37 | }, 38 | { 39 | "idiom" : "iphone", 40 | "size" : "60x60", 41 | "scale" : "3x" 42 | }, 43 | { 44 | "idiom" : "ipad", 45 | "size" : "20x20", 46 | "scale" : "1x" 47 | }, 48 | { 49 | "idiom" : "ipad", 50 | "size" : "20x20", 51 | "scale" : "2x" 52 | }, 53 | { 54 | "idiom" : "ipad", 55 | "size" : "29x29", 56 | "scale" : "1x" 57 | }, 58 | { 59 | "idiom" : "ipad", 60 | "size" : "29x29", 61 | "scale" : "2x" 62 | }, 63 | { 64 | "idiom" : "ipad", 65 | "size" : "40x40", 66 | "scale" : "1x" 67 | }, 68 | { 69 | "idiom" : "ipad", 70 | "size" : "40x40", 71 | "scale" : "2x" 72 | }, 73 | { 74 | "idiom" : "ipad", 75 | "size" : "76x76", 76 | "scale" : "1x" 77 | }, 78 | { 79 | "idiom" : "ipad", 80 | "size" : "76x76", 81 | "scale" : "2x" 82 | }, 83 | { 84 | "idiom" : "ipad", 85 | "size" : "83.5x83.5", 86 | "scale" : "2x" 87 | }, 88 | { 89 | "idiom" : "ios-marketing", 90 | "size" : "1024x1024", 91 | "scale" : "1x" 92 | } 93 | ], 94 | "info" : { 95 | "version" : 1, 96 | "author" : "xcode" 97 | } 98 | } -------------------------------------------------------------------------------- /HYChangeableCollection/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "version" : 1, 4 | "author" : "xcode" 5 | } 6 | } -------------------------------------------------------------------------------- /HYChangeableCollection/Base.lproj/LaunchScreen.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /HYChangeableCollection/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | -------------------------------------------------------------------------------- /HYChangeableCollection/HYChangeableCell.h: -------------------------------------------------------------------------------- 1 | // 2 | // HYChangeableCell.h 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | NS_ASSUME_NONNULL_BEGIN 12 | 13 | @interface HYChangeableCell : UICollectionViewCell 14 | @property (nonatomic, copy) NSString *notificationName; 15 | @property (nonatomic, assign) BOOL isList; 16 | 17 | @property (nonatomic, copy) NSString *imageName; 18 | @end 19 | 20 | NS_ASSUME_NONNULL_END 21 | -------------------------------------------------------------------------------- /HYChangeableCollection/HYChangeableCell.m: -------------------------------------------------------------------------------- 1 | // 2 | // HYChangeableCell.m 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import "HYChangeableCell.h" 10 | 11 | #import "Masonry.h" 12 | 13 | @interface HYChangeableCell () 14 | @property (nonatomic, strong) UIImageView *myImageView; 15 | @property (nonatomic, strong) UILabel *titleLabel; 16 | 17 | @property (strong, nonatomic) UILabel *label1; 18 | @property (strong, nonatomic) UILabel *label2; 19 | 20 | @property (strong, nonatomic) UILabel *label3; 21 | @property (strong, nonatomic) UILabel *label4; 22 | 23 | @property (nonatomic, strong) UIButton *buttonL; 24 | @property (nonatomic, strong) UIButton *buttonR; 25 | 26 | @end 27 | 28 | 29 | #define SCREEN_WIDTH [UIScreen mainScreen].bounds.size.width 30 | @implementation HYChangeableCell 31 | 32 | -(instancetype)initWithFrame:(CGRect)frame{ 33 | self = [super initWithFrame:frame]; 34 | if (self) { 35 | [self setupUI]; 36 | } 37 | return self; 38 | } 39 | 40 | -(void)layoutSubviews{ 41 | [UIView animateWithDuration:0.3 animations:^{ 42 | [super layoutSubviews]; 43 | }]; 44 | } 45 | 46 | 47 | -(void)setupUI{ 48 | 49 | self.contentView.backgroundColor = [UIColor whiteColor]; 50 | 51 | self.myImageView = [UIImageView new]; 52 | self.myImageView.contentMode = UIViewContentModeScaleAspectFit; 53 | [self.contentView addSubview:self.myImageView]; 54 | 55 | self.titleLabel = [UILabel new]; 56 | self.titleLabel.textColor = [UIColor blackColor]; 57 | self.titleLabel.font = [UIFont boldSystemFontOfSize:15]; 58 | self.titleLabel.numberOfLines = 2; 59 | self.titleLabel.text = @"I am a big, long and dark title. 🌚🌚🌚🚀"; 60 | [self.contentView addSubview:self.titleLabel]; 61 | 62 | self.label1 = [UILabel new]; 63 | self.label1.textColor = [UIColor redColor]; 64 | self.label1.font = [UIFont systemFontOfSize:16]; 65 | self.label1.text = @"What's this?🤔"; 66 | [self.contentView addSubview:self.label1]; 67 | 68 | self.label2 = [UILabel new]; 69 | self.label2.textColor = [UIColor grayColor]; 70 | self.label2.font = [UIFont systemFontOfSize:12]; 71 | self.label2.numberOfLines = 2; 72 | self.label2.text = @"I am Groot!\nI am Groot!!😑"; 73 | [self.contentView addSubview:self.label2]; 74 | 75 | self.label3 = [UILabel new]; 76 | self.label3.textColor = [UIColor greenColor]; 77 | self.label3.font = [UIFont systemFontOfSize:12]; 78 | self.label3.numberOfLines = 2; 79 | self.label3.text = @"https://www.hlzhy.com"; 80 | self.label3.frame = CGRectMake(12, 295, self.frame.size.width - 24, 15); 81 | [self.contentView addSubview:self.label3]; 82 | 83 | self.label4 = [UILabel new]; 84 | self.label4.textColor = [UIColor greenColor]; 85 | self.label4.font = [UIFont systemFontOfSize:12]; 86 | self.label4.text = @"Hank"; 87 | self.label4.frame = CGRectMake(12, CGRectGetMaxY(self.label3.frame), self.frame.size.width - 24, 15); 88 | [self.contentView addSubview:self.label4]; 89 | 90 | self.buttonL = [UIButton buttonWithType:(UIButtonTypeSystem)]; 91 | [self.buttonL setTitle:@"Don't click me!!!" forState:(UIControlStateNormal)]; 92 | [self.buttonL addTarget:self action:@selector(buttonClick) forControlEvents:(UIControlEventTouchUpInside)]; 93 | [self.buttonL setBackgroundColor:[UIColor lightGrayColor]]; 94 | self.buttonL.titleLabel.font = [UIFont systemFontOfSize:12]; 95 | [self.contentView addSubview:self.buttonL]; 96 | 97 | self.buttonR = [UIButton buttonWithType:(UIButtonTypeSystem)]; 98 | [self.buttonR setTitle:@"buttonR" forState:(UIControlStateNormal)]; 99 | [self.buttonR addTarget:self action:@selector(buttonClick) forControlEvents:(UIControlEventTouchUpInside)]; 100 | [self.buttonR setBackgroundColor:[UIColor lightGrayColor]]; 101 | self.buttonR.titleLabel.font = [UIFont systemFontOfSize:12]; 102 | [self.contentView addSubview:self.buttonR]; 103 | 104 | [self.myImageView mas_makeConstraints:^(MASConstraintMaker *make) { 105 | make.top.offset(12); 106 | make.left.offset(12); 107 | make.width.offset(self.frame.size.width - 24); 108 | make.height.equalTo(self.myImageView.mas_width); 109 | }]; 110 | 111 | [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) { 112 | make.top.equalTo(self.myImageView.mas_bottom).offset(12); 113 | make.left.equalTo(self.myImageView.mas_left).offset(0); 114 | // make.right.offset(-12); 115 | make.width.offset(self.frame.size.width - 24); 116 | make.height.offset(38); 117 | }]; 118 | 119 | [self.label1 mas_makeConstraints:^(MASConstraintMaker *make) { 120 | make.top.equalTo(self.titleLabel.mas_bottom).offset(5); 121 | make.left.equalTo(self.titleLabel.mas_left).offset(0); 122 | make.height.offset(20); 123 | }]; 124 | 125 | [self.label2 mas_makeConstraints:^(MASConstraintMaker *make) { 126 | make.centerY.equalTo(self.label1.mas_centerY).offset(25); 127 | make.left.equalTo(self.label1.mas_left).offset(0); 128 | make.height.offset(30); 129 | }]; 130 | 131 | [self.buttonL mas_makeConstraints:^(MASConstraintMaker *make) { 132 | make.top.equalTo(self.label4.mas_bottom).offset(12); 133 | make.left.offset(12); 134 | make.height.offset(33); 135 | }]; 136 | 137 | [self.buttonR mas_makeConstraints:^(MASConstraintMaker *make) { 138 | make.top.equalTo(self.label4.mas_bottom).offset(12); 139 | make.left.offset(self.frame.size.width - 74); 140 | make.height.offset(33); 141 | make.width.offset(62); 142 | }]; 143 | 144 | } 145 | 146 | -(void)buttonClick{} 147 | 148 | -(void)setImageName:(NSString *)imageName{ 149 | NSBundle *bundle = [NSBundle mainBundle]; 150 | NSString *resourcePath = [bundle resourcePath]; 151 | NSString *filePath = [resourcePath stringByAppendingPathComponent:imageName]; 152 | self.myImageView.image = [UIImage imageWithContentsOfFile:filePath]; 153 | } 154 | 155 | #pragma mark - NSNotification 156 | 157 | -(void)setNotificationName:(NSString *)notificationName{ 158 | if ([_notificationName isEqualToString:notificationName]) return; 159 | _notificationName = notificationName; 160 | //注册通知 161 | [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(isListChange:) name:_notificationName object:nil]; 162 | } 163 | 164 | -(void)isListChange:(NSNotification *)noti{ 165 | BOOL isList = [[noti object] boolValue]; 166 | [self setIsList:isList]; 167 | } 168 | 169 | #pragma mark - setIsList 170 | -(void)setIsList:(BOOL)isList{ 171 | if (_isList == isList) return; 172 | _isList = isList; 173 | // NSLog(@"width : %lf", self.frame.size.width); 174 | //接收到通知时 cell的frame并不准确，此时如果需要用到self.width，则需要自行计算 175 | CGFloat width = _isList ? SCREEN_WIDTH : (SCREEN_WIDTH - 5) * 0.5; 176 | CGRect frame3 = self.label3.frame; 177 | CGRect frame4 = self.label4.frame; 178 | if (_isList) { 179 | //当布局相对简单时，约束使用mas_updateConstraints进行更新即可 180 | [self.myImageView mas_updateConstraints:^(MASConstraintMaker *make) { 181 | make.width.offset(120); 182 | }]; 183 | 184 | [self.titleLabel mas_remakeConstraints:^(MASConstraintMaker *make) { 185 | make.top.offset(12); 186 | make.left.equalTo(self.myImageView.mas_right).offset(12); 187 | make.width.offset(width - 120 - 36); 188 | // make.right.offset(-12); 189 | }]; 190 | //当布局比较复杂，约束涉及到某控件宽，而这控件宽又是不固定的时候，可以考虑使用mas_remakeConstraints重做约束 191 | [self.label2 mas_remakeConstraints:^(MASConstraintMaker *make) { 192 | make.centerY.equalTo(self.label1.mas_centerY).offset(0); 193 | //make.left.equalTo(self.label1.mas_left).offset(self.label1.mj_w + 5); 194 | make.left.equalTo(self.label1.mas_right).offset(5); 195 | make.height.offset(30); 196 | }]; 197 | 198 | CGFloat x = 120 + 24; 199 | frame3.origin.x = x; 200 | frame3.origin.y = 100; 201 | frame4.origin.x = x; 202 | frame4.origin.y = frame3.origin.y + 15; 203 | }else{ 204 | [self.myImageView mas_updateConstraints:^(MASConstraintMaker *make) { 205 | make.width.offset((SCREEN_WIDTH - 5) * 0.5 - 24); 206 | }]; 207 | 208 | [self.titleLabel mas_remakeConstraints:^(MASConstraintMaker *make) { 209 | make.top.equalTo(self.myImageView.mas_bottom).offset(12); 210 | make.left.equalTo(self.myImageView.mas_left).offset(0); 211 | make.width.offset(width - 24); 212 | // make.right.offset(-12); 213 | }]; 214 | 215 | [self.label2 mas_remakeConstraints:^(MASConstraintMaker *make) { 216 | make.centerY.equalTo(self.label1.mas_centerY).offset(22); 217 | make.left.equalTo(self.label1.mas_left).offset(0); 218 | make.height.offset(30); 219 | }]; 220 | 221 | CGFloat x = 12; 222 | frame3.origin.x = x; 223 | frame3.origin.y = 295; 224 | frame4.origin.x = x; 225 | frame4.origin.y = frame3.origin.y + 15; 226 | } 227 | 228 | [self.buttonR mas_updateConstraints:^(MASConstraintMaker *make) { 229 | make.left.offset(width - 74); 230 | }]; 231 | 232 | [UIView animateWithDuration:0.3f animations:^{ 233 | //注意：如有用masonry约束关联了 用frame设置的视图，则此处需要把frame设置的视图写在前面 234 | self.label3.frame = frame3; 235 | self.label4.frame = frame4; 236 | 237 | [self.contentView layoutIfNeeded]; 238 | }]; 239 | } 240 | 241 | -(void)dealloc{ 242 | //移除观察者 243 | [[NSNotificationCenter defaultCenter] removeObserver:self]; 244 | } 245 | 246 | @end 247 | -------------------------------------------------------------------------------- /HYChangeableCollection/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleVersion 20 | 1 21 | LSRequiresIPhoneOS 22 | 23 | NSAppTransportSecurity 24 | 25 | NSAllowsArbitraryLoads 26 | 27 | 28 | UILaunchStoryboardName 29 | LaunchScreen 30 | UIMainStoryboardFile 31 | Main 32 | UIRequiredDeviceCapabilities 33 | 34 | armv7 35 | 36 | UISupportedInterfaceOrientations 37 | 38 | UIInterfaceOrientationPortrait 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UISupportedInterfaceOrientations~ipad 43 | 44 | UIInterfaceOrientationPortrait 45 | UIInterfaceOrientationPortraitUpsideDown 46 | UIInterfaceOrientationLandscapeLeft 47 | UIInterfaceOrientationLandscapeRight 48 | 49 | 50 | 51 | -------------------------------------------------------------------------------- /HYChangeableCollection/ViewController.h: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.h 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | @interface ViewController : UIViewController 12 | 13 | 14 | @end 15 | 16 | -------------------------------------------------------------------------------- /HYChangeableCollection/ViewController.m: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.m 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // Blog:https://www.hlzhy.com 8 | // GitHub:https://github.com/Hank-Zhong 9 | 10 | #import "ViewController.h" 11 | 12 | #import "HYChangeableCell.h" 13 | 14 | @interface ViewController () 15 | @property (nonatomic, strong) UICollectionView *myCollectionView; 16 | 17 | @property (nonatomic, assign) BOOL isList; 18 | @property (nonatomic, strong) UICollectionViewFlowLayout *gridLayout; 19 | @property (nonatomic, strong) UICollectionViewFlowLayout *listLayout; 20 | 21 | @property (nonatomic, strong) NSArray *imageNameArray; 22 | @end 23 | 24 | #define NOTIFIC_N_NAME @"ViewController_changeList" 25 | @implementation ViewController 26 | 27 | -(UICollectionViewFlowLayout *)gridLayout{ 28 | if (!_gridLayout) { 29 | _gridLayout = [[UICollectionViewFlowLayout alloc] init]; 30 | CGFloat width = (self.view.frame.size.width - 5) * 0.5; 31 | _gridLayout.itemSize = CGSizeMake(width, 200 + width); 32 | _gridLayout.minimumLineSpacing = 5; 33 | _gridLayout.minimumInteritemSpacing = 5; 34 | _gridLayout.sectionInset = UIEdgeInsetsZero; 35 | } 36 | return _gridLayout; 37 | } 38 | 39 | -(UICollectionViewFlowLayout *)listLayout{ 40 | if (!_listLayout) { 41 | _listLayout = [[UICollectionViewFlowLayout alloc] init]; 42 | _listLayout.itemSize = CGSizeMake(self.view.frame.size.width, 190); 43 | _listLayout.minimumLineSpacing = 0.5; 44 | _listLayout.sectionInset = UIEdgeInsetsZero; 45 | } 46 | return _listLayout; 47 | } 48 | 49 | - (void)viewDidLoad { 50 | [super viewDidLoad]; 51 | // Do any additional setup after loading the view, typically from a nib. 52 | 53 | self.imageNameArray = @[@"1.jpg", 54 | @"2.jpg", 55 | @"3.jpg", 56 | @"4.jpg", 57 | @"5.jpg", 58 | @"6.jpg", 59 | @"7.jpg", 60 | @"8.jpg", 61 | @"9.jpg", 62 | @"10.jpg"]; 63 | 64 | _myCollectionView = [[UICollectionView alloc]initWithFrame:self.view.bounds collectionViewLayout:self.gridLayout]; 65 | _myCollectionView.showsVerticalScrollIndicator = NO; 66 | _myCollectionView.backgroundColor = [UIColor grayColor]; 67 | _myCollectionView.delegate = self; 68 | _myCollectionView.dataSource = self; 69 | [self.view addSubview:_myCollectionView]; 70 | 71 | [self.myCollectionView registerClass:[HYChangeableCell class] forCellWithReuseIdentifier:@"HYChangeableCell"]; 72 | 73 | UIButton *button = [UIButton buttonWithType:(UIButtonTypeCustom)]; 74 | button.frame = CGRectMake(0, 44, 50, 20); 75 | [button setTitle:@"Change" forState:(UIControlStateNormal)]; 76 | [button addTarget:self action:@selector(changeListButtonClick) forControlEvents:(UIControlEventTouchUpInside)]; 77 | [button setBackgroundColor:[UIColor orangeColor]]; 78 | button.titleLabel.font = [UIFont systemFontOfSize:12]; 79 | [self.view addSubview:button]; 80 | } 81 | 82 | -(void)changeListButtonClick{ 83 | _isList = !_isList; 84 | if (_isList) { 85 | [self.myCollectionView setCollectionViewLayout:self.listLayout animated:YES]; 86 | }else{ 87 | [self.myCollectionView setCollectionViewLayout:self.gridLayout animated:YES]; 88 | } 89 | // [self.myCollectionView reloadData]; 90 | [[NSNotificationCenter defaultCenter] postNotificationName:NOTIFIC_N_NAME object:@(_isList)]; 91 | } 92 | 93 | #pragma mark - UICollectionView 94 | - (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView { 95 | return 1; 96 | } 97 | 98 | - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section { 99 | return 50; 100 | } 101 | 102 | - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { 103 | HYChangeableCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"HYChangeableCell" forIndexPath:indexPath]; 104 | cell.isList = _isList; 105 | cell.notificationName = NOTIFIC_N_NAME; 106 | cell.imageName = self.imageNameArray[indexPath.row % 10]; 107 | return cell; 108 | } 109 | 110 | @end 111 | -------------------------------------------------------------------------------- /HYChangeableCollection/main.m: -------------------------------------------------------------------------------- 1 | // 2 | // main.m 3 | // HYChangeableCollection 4 | // 5 | // Created by Hank on 2019/1/2. 6 | // Copyright © 2019 Hank. All rights reserved. 7 | // 8 | 9 | #import 10 | #import "AppDelegate.h" 11 | 12 | int main(int argc, char * argv[]) { 13 | @autoreleasepool { 14 | return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); 15 | } 16 | } 17 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2019 Hank 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASCompositeConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASCompositeConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | #import "MASUtilities.h" 11 | 12 | /** 13 | * A group of MASConstraint objects 14 | */ 15 | @interface MASCompositeConstraint : MASConstraint 16 | 17 | /** 18 | * Creates a composite with a predefined array of children 19 | * 20 | * @param children child MASConstraints 21 | * 22 | * @return a composite constraint 23 | */ 24 | - (id)initWithChildren:(NSArray *)children; 25 | 26 | @end 27 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASCompositeConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASCompositeConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASCompositeConstraint.h" 10 | #import "MASConstraint+Private.h" 11 | 12 | @interface MASCompositeConstraint () 13 | 14 | @property (nonatomic, strong) id mas_key; 15 | @property (nonatomic, strong) NSMutableArray *childConstraints; 16 | 17 | @end 18 | 19 | @implementation MASCompositeConstraint 20 | 21 | - (id)initWithChildren:(NSArray *)children { 22 | self = [super init]; 23 | if (!self) return nil; 24 | 25 | _childConstraints = [children mutableCopy]; 26 | for (MASConstraint *constraint in _childConstraints) { 27 | constraint.delegate = self; 28 | } 29 | 30 | return self; 31 | } 32 | 33 | #pragma mark - MASConstraintDelegate 34 | 35 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint { 36 | NSUInteger index = [self.childConstraints indexOfObject:constraint]; 37 | NSAssert(index != NSNotFound, @"Could not find constraint %@", constraint); 38 | [self.childConstraints replaceObjectAtIndex:index withObject:replacementConstraint]; 39 | } 40 | 41 | - (MASConstraint *)constraint:(MASConstraint __unused *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 42 | id strongDelegate = self.delegate; 43 | MASConstraint *newConstraint = [strongDelegate constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 44 | newConstraint.delegate = self; 45 | [self.childConstraints addObject:newConstraint]; 46 | return newConstraint; 47 | } 48 | 49 | #pragma mark - NSLayoutConstraint multiplier proxies 50 | 51 | - (MASConstraint * (^)(CGFloat))multipliedBy { 52 | return ^id(CGFloat multiplier) { 53 | for (MASConstraint *constraint in self.childConstraints) { 54 | constraint.multipliedBy(multiplier); 55 | } 56 | return self; 57 | }; 58 | } 59 | 60 | - (MASConstraint * (^)(CGFloat))dividedBy { 61 | return ^id(CGFloat divider) { 62 | for (MASConstraint *constraint in self.childConstraints) { 63 | constraint.dividedBy(divider); 64 | } 65 | return self; 66 | }; 67 | } 68 | 69 | #pragma mark - MASLayoutPriority proxy 70 | 71 | - (MASConstraint * (^)(MASLayoutPriority))priority { 72 | return ^id(MASLayoutPriority priority) { 73 | for (MASConstraint *constraint in self.childConstraints) { 74 | constraint.priority(priority); 75 | } 76 | return self; 77 | }; 78 | } 79 | 80 | #pragma mark - NSLayoutRelation proxy 81 | 82 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { 83 | return ^id(id attr, NSLayoutRelation relation) { 84 | for (MASConstraint *constraint in self.childConstraints.copy) { 85 | constraint.equalToWithRelation(attr, relation); 86 | } 87 | return self; 88 | }; 89 | } 90 | 91 | #pragma mark - attribute chaining 92 | 93 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 94 | [self constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 95 | return self; 96 | } 97 | 98 | #pragma mark - Animator proxy 99 | 100 | #if TARGET_OS_MAC && !(TARGET_OS_IPHONE || TARGET_OS_TV) 101 | 102 | - (MASConstraint *)animator { 103 | for (MASConstraint *constraint in self.childConstraints) { 104 | [constraint animator]; 105 | } 106 | return self; 107 | } 108 | 109 | #endif 110 | 111 | #pragma mark - debug helpers 112 | 113 | - (MASConstraint * (^)(id))key { 114 | return ^id(id key) { 115 | self.mas_key = key; 116 | int i = 0; 117 | for (MASConstraint *constraint in self.childConstraints) { 118 | constraint.key([NSString stringWithFormat:@"%@[%d]", key, i++]); 119 | } 120 | return self; 121 | }; 122 | } 123 | 124 | #pragma mark - NSLayoutConstraint constant setters 125 | 126 | - (void)setInsets:(MASEdgeInsets)insets { 127 | for (MASConstraint *constraint in self.childConstraints) { 128 | constraint.insets = insets; 129 | } 130 | } 131 | 132 | - (void)setInset:(CGFloat)inset { 133 | for (MASConstraint *constraint in self.childConstraints) { 134 | constraint.inset = inset; 135 | } 136 | } 137 | 138 | - (void)setOffset:(CGFloat)offset { 139 | for (MASConstraint *constraint in self.childConstraints) { 140 | constraint.offset = offset; 141 | } 142 | } 143 | 144 | - (void)setSizeOffset:(CGSize)sizeOffset { 145 | for (MASConstraint *constraint in self.childConstraints) { 146 | constraint.sizeOffset = sizeOffset; 147 | } 148 | } 149 | 150 | - (void)setCenterOffset:(CGPoint)centerOffset { 151 | for (MASConstraint *constraint in self.childConstraints) { 152 | constraint.centerOffset = centerOffset; 153 | } 154 | } 155 | 156 | #pragma mark - MASConstraint 157 | 158 | - (void)activate { 159 | for (MASConstraint *constraint in self.childConstraints) { 160 | [constraint activate]; 161 | } 162 | } 163 | 164 | - (void)deactivate { 165 | for (MASConstraint *constraint in self.childConstraints) { 166 | [constraint deactivate]; 167 | } 168 | } 169 | 170 | - (void)install { 171 | for (MASConstraint *constraint in self.childConstraints) { 172 | constraint.updateExisting = self.updateExisting; 173 | [constraint install]; 174 | } 175 | } 176 | 177 | - (void)uninstall { 178 | for (MASConstraint *constraint in self.childConstraints) { 179 | [constraint uninstall]; 180 | } 181 | } 182 | 183 | @end 184 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASConstraint+Private.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint+Private.h 3 | // Masonry 4 | // 5 | // Created by Nick Tymchenko on 29/04/14. 6 | // Copyright (c) 2014 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | 11 | @protocol MASConstraintDelegate; 12 | 13 | 14 | @interface MASConstraint () 15 | 16 | /** 17 | * Whether or not to check for an existing constraint instead of adding constraint 18 | */ 19 | @property (nonatomic, assign) BOOL updateExisting; 20 | 21 | /** 22 | * Usually MASConstraintMaker but could be a parent MASConstraint 23 | */ 24 | @property (nonatomic, weak) id delegate; 25 | 26 | /** 27 | * Based on a provided value type, is equal to calling: 28 | * NSNumber - setOffset: 29 | * NSValue with CGPoint - setPointOffset: 30 | * NSValue with CGSize - setSizeOffset: 31 | * NSValue with MASEdgeInsets - setInsets: 32 | */ 33 | - (void)setLayoutConstantWithValue:(NSValue *)value; 34 | 35 | @end 36 | 37 | 38 | @interface MASConstraint (Abstract) 39 | 40 | /** 41 | * Sets the constraint relation to given NSLayoutRelation 42 | * returns a block which accepts one of the following: 43 | * MASViewAttribute, UIView, NSValue, NSArray 44 | * see readme for more details. 45 | */ 46 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation; 47 | 48 | /** 49 | * Override to set a custom chaining behaviour 50 | */ 51 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute; 52 | 53 | @end 54 | 55 | 56 | @protocol MASConstraintDelegate 57 | 58 | /** 59 | * Notifies the delegate when the constraint needs to be replaced with another constraint. For example 60 | * A MASViewConstraint may turn into a MASCompositeConstraint when an array is passed to one of the equality blocks 61 | */ 62 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint; 63 | 64 | - (MASConstraint *)constraint:(MASConstraint *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute; 65 | 66 | @end 67 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * Enables Constraints to be created with chainable syntax 13 | * Constraint can represent single NSLayoutConstraint (MASViewConstraint) 14 | * or a group of NSLayoutConstraints (MASComposisteConstraint) 15 | */ 16 | @interface MASConstraint : NSObject 17 | 18 | // Chaining Support 19 | 20 | /** 21 | * Modifies the NSLayoutConstraint constant, 22 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 23 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 24 | */ 25 | - (MASConstraint * (^)(MASEdgeInsets insets))insets; 26 | 27 | /** 28 | * Modifies the NSLayoutConstraint constant, 29 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 30 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 31 | */ 32 | - (MASConstraint * (^)(CGFloat inset))inset; 33 | 34 | /** 35 | * Modifies the NSLayoutConstraint constant, 36 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 37 | * NSLayoutAttributeWidth, NSLayoutAttributeHeight 38 | */ 39 | - (MASConstraint * (^)(CGSize offset))sizeOffset; 40 | 41 | /** 42 | * Modifies the NSLayoutConstraint constant, 43 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 44 | * NSLayoutAttributeCenterX, NSLayoutAttributeCenterY 45 | */ 46 | - (MASConstraint * (^)(CGPoint offset))centerOffset; 47 | 48 | /** 49 | * Modifies the NSLayoutConstraint constant 50 | */ 51 | - (MASConstraint * (^)(CGFloat offset))offset; 52 | 53 | /** 54 | * Modifies the NSLayoutConstraint constant based on a value type 55 | */ 56 | - (MASConstraint * (^)(NSValue *value))valueOffset; 57 | 58 | /** 59 | * Sets the NSLayoutConstraint multiplier property 60 | */ 61 | - (MASConstraint * (^)(CGFloat multiplier))multipliedBy; 62 | 63 | /** 64 | * Sets the NSLayoutConstraint multiplier to 1.0/dividedBy 65 | */ 66 | - (MASConstraint * (^)(CGFloat divider))dividedBy; 67 | 68 | /** 69 | * Sets the NSLayoutConstraint priority to a float or MASLayoutPriority 70 | */ 71 | - (MASConstraint * (^)(MASLayoutPriority priority))priority; 72 | 73 | /** 74 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityLow 75 | */ 76 | - (MASConstraint * (^)(void))priorityLow; 77 | 78 | /** 79 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityMedium 80 | */ 81 | - (MASConstraint * (^)(void))priorityMedium; 82 | 83 | /** 84 | * Sets the NSLayoutConstraint priority to MASLayoutPriorityHigh 85 | */ 86 | - (MASConstraint * (^)(void))priorityHigh; 87 | 88 | /** 89 | * Sets the constraint relation to NSLayoutRelationEqual 90 | * returns a block which accepts one of the following: 91 | * MASViewAttribute, UIView, NSValue, NSArray 92 | * see readme for more details. 93 | */ 94 | - (MASConstraint * (^)(id attr))equalTo; 95 | 96 | /** 97 | * Sets the constraint relation to NSLayoutRelationGreaterThanOrEqual 98 | * returns a block which accepts one of the following: 99 | * MASViewAttribute, UIView, NSValue, NSArray 100 | * see readme for more details. 101 | */ 102 | - (MASConstraint * (^)(id attr))greaterThanOrEqualTo; 103 | 104 | /** 105 | * Sets the constraint relation to NSLayoutRelationLessThanOrEqual 106 | * returns a block which accepts one of the following: 107 | * MASViewAttribute, UIView, NSValue, NSArray 108 | * see readme for more details. 109 | */ 110 | - (MASConstraint * (^)(id attr))lessThanOrEqualTo; 111 | 112 | /** 113 | * Optional semantic property which has no effect but improves the readability of constraint 114 | */ 115 | - (MASConstraint *)with; 116 | 117 | /** 118 | * Optional semantic property which has no effect but improves the readability of constraint 119 | */ 120 | - (MASConstraint *)and; 121 | 122 | /** 123 | * Creates a new MASCompositeConstraint with the called attribute and reciever 124 | */ 125 | - (MASConstraint *)left; 126 | - (MASConstraint *)top; 127 | - (MASConstraint *)right; 128 | - (MASConstraint *)bottom; 129 | - (MASConstraint *)leading; 130 | - (MASConstraint *)trailing; 131 | - (MASConstraint *)width; 132 | - (MASConstraint *)height; 133 | - (MASConstraint *)centerX; 134 | - (MASConstraint *)centerY; 135 | - (MASConstraint *)baseline; 136 | 137 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 138 | 139 | - (MASConstraint *)firstBaseline; 140 | - (MASConstraint *)lastBaseline; 141 | 142 | #endif 143 | 144 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 145 | 146 | - (MASConstraint *)leftMargin; 147 | - (MASConstraint *)rightMargin; 148 | - (MASConstraint *)topMargin; 149 | - (MASConstraint *)bottomMargin; 150 | - (MASConstraint *)leadingMargin; 151 | - (MASConstraint *)trailingMargin; 152 | - (MASConstraint *)centerXWithinMargins; 153 | - (MASConstraint *)centerYWithinMargins; 154 | 155 | #endif 156 | 157 | 158 | /** 159 | * Sets the constraint debug name 160 | */ 161 | - (MASConstraint * (^)(id key))key; 162 | 163 | // NSLayoutConstraint constant Setters 164 | // for use outside of mas_updateConstraints/mas_makeConstraints blocks 165 | 166 | /** 167 | * Modifies the NSLayoutConstraint constant, 168 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 169 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 170 | */ 171 | - (void)setInsets:(MASEdgeInsets)insets; 172 | 173 | /** 174 | * Modifies the NSLayoutConstraint constant, 175 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 176 | * NSLayoutAttributeTop, NSLayoutAttributeLeft, NSLayoutAttributeBottom, NSLayoutAttributeRight 177 | */ 178 | - (void)setInset:(CGFloat)inset; 179 | 180 | /** 181 | * Modifies the NSLayoutConstraint constant, 182 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 183 | * NSLayoutAttributeWidth, NSLayoutAttributeHeight 184 | */ 185 | - (void)setSizeOffset:(CGSize)sizeOffset; 186 | 187 | /** 188 | * Modifies the NSLayoutConstraint constant, 189 | * only affects MASConstraints in which the first item's NSLayoutAttribute is one of the following 190 | * NSLayoutAttributeCenterX, NSLayoutAttributeCenterY 191 | */ 192 | - (void)setCenterOffset:(CGPoint)centerOffset; 193 | 194 | /** 195 | * Modifies the NSLayoutConstraint constant 196 | */ 197 | - (void)setOffset:(CGFloat)offset; 198 | 199 | 200 | // NSLayoutConstraint Installation support 201 | 202 | #if TARGET_OS_MAC && !(TARGET_OS_IPHONE || TARGET_OS_TV) 203 | /** 204 | * Whether or not to go through the animator proxy when modifying the constraint 205 | */ 206 | @property (nonatomic, copy, readonly) MASConstraint *animator; 207 | #endif 208 | 209 | /** 210 | * Activates an NSLayoutConstraint if it's supported by an OS. 211 | * Invokes install otherwise. 212 | */ 213 | - (void)activate; 214 | 215 | /** 216 | * Deactivates previously installed/activated NSLayoutConstraint. 217 | */ 218 | - (void)deactivate; 219 | 220 | /** 221 | * Creates a NSLayoutConstraint and adds it to the appropriate view. 222 | */ 223 | - (void)install; 224 | 225 | /** 226 | * Removes previously installed NSLayoutConstraint 227 | */ 228 | - (void)uninstall; 229 | 230 | @end 231 | 232 | 233 | /** 234 | * Convenience auto-boxing macros for MASConstraint methods. 235 | * 236 | * Defining MAS_SHORTHAND_GLOBALS will turn on auto-boxing for default syntax. 237 | * A potential drawback of this is that the unprefixed macros will appear in global scope. 238 | */ 239 | #define mas_equalTo(...) equalTo(MASBoxValue((__VA_ARGS__))) 240 | #define mas_greaterThanOrEqualTo(...) greaterThanOrEqualTo(MASBoxValue((__VA_ARGS__))) 241 | #define mas_lessThanOrEqualTo(...) lessThanOrEqualTo(MASBoxValue((__VA_ARGS__))) 242 | 243 | #define mas_offset(...) valueOffset(MASBoxValue((__VA_ARGS__))) 244 | 245 | 246 | #ifdef MAS_SHORTHAND_GLOBALS 247 | 248 | #define equalTo(...) mas_equalTo(__VA_ARGS__) 249 | #define greaterThanOrEqualTo(...) mas_greaterThanOrEqualTo(__VA_ARGS__) 250 | #define lessThanOrEqualTo(...) mas_lessThanOrEqualTo(__VA_ARGS__) 251 | 252 | #define offset(...) mas_offset(__VA_ARGS__) 253 | 254 | #endif 255 | 256 | 257 | @interface MASConstraint (AutoboxingSupport) 258 | 259 | /** 260 | * Aliases to corresponding relation methods (for shorthand macros) 261 | * Also needed to aid autocompletion 262 | */ 263 | - (MASConstraint * (^)(id attr))mas_equalTo; 264 | - (MASConstraint * (^)(id attr))mas_greaterThanOrEqualTo; 265 | - (MASConstraint * (^)(id attr))mas_lessThanOrEqualTo; 266 | 267 | /** 268 | * A dummy method to aid autocompletion 269 | */ 270 | - (MASConstraint * (^)(id offset))mas_offset; 271 | 272 | @end 273 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraint.m 3 | // Masonry 4 | // 5 | // Created by Nick Tymchenko on 1/20/14. 6 | // 7 | 8 | #import "MASConstraint.h" 9 | #import "MASConstraint+Private.h" 10 | 11 | #define MASMethodNotImplemented() \ 12 | @throw [NSException exceptionWithName:NSInternalInconsistencyException \ 13 | reason:[NSString stringWithFormat:@"You must override %@ in a subclass.", NSStringFromSelector(_cmd)] \ 14 | userInfo:nil] 15 | 16 | @implementation MASConstraint 17 | 18 | #pragma mark - Init 19 | 20 | - (id)init { 21 | NSAssert(![self isMemberOfClass:[MASConstraint class]], @"MASConstraint is an abstract class, you should not instantiate it directly."); 22 | return [super init]; 23 | } 24 | 25 | #pragma mark - NSLayoutRelation proxies 26 | 27 | - (MASConstraint * (^)(id))equalTo { 28 | return ^id(id attribute) { 29 | return self.equalToWithRelation(attribute, NSLayoutRelationEqual); 30 | }; 31 | } 32 | 33 | - (MASConstraint * (^)(id))mas_equalTo { 34 | return ^id(id attribute) { 35 | return self.equalToWithRelation(attribute, NSLayoutRelationEqual); 36 | }; 37 | } 38 | 39 | - (MASConstraint * (^)(id))greaterThanOrEqualTo { 40 | return ^id(id attribute) { 41 | return self.equalToWithRelation(attribute, NSLayoutRelationGreaterThanOrEqual); 42 | }; 43 | } 44 | 45 | - (MASConstraint * (^)(id))mas_greaterThanOrEqualTo { 46 | return ^id(id attribute) { 47 | return self.equalToWithRelation(attribute, NSLayoutRelationGreaterThanOrEqual); 48 | }; 49 | } 50 | 51 | - (MASConstraint * (^)(id))lessThanOrEqualTo { 52 | return ^id(id attribute) { 53 | return self.equalToWithRelation(attribute, NSLayoutRelationLessThanOrEqual); 54 | }; 55 | } 56 | 57 | - (MASConstraint * (^)(id))mas_lessThanOrEqualTo { 58 | return ^id(id attribute) { 59 | return self.equalToWithRelation(attribute, NSLayoutRelationLessThanOrEqual); 60 | }; 61 | } 62 | 63 | #pragma mark - MASLayoutPriority proxies 64 | 65 | - (MASConstraint * (^)(void))priorityLow { 66 | return ^id{ 67 | self.priority(MASLayoutPriorityDefaultLow); 68 | return self; 69 | }; 70 | } 71 | 72 | - (MASConstraint * (^)(void))priorityMedium { 73 | return ^id{ 74 | self.priority(MASLayoutPriorityDefaultMedium); 75 | return self; 76 | }; 77 | } 78 | 79 | - (MASConstraint * (^)(void))priorityHigh { 80 | return ^id{ 81 | self.priority(MASLayoutPriorityDefaultHigh); 82 | return self; 83 | }; 84 | } 85 | 86 | #pragma mark - NSLayoutConstraint constant proxies 87 | 88 | - (MASConstraint * (^)(MASEdgeInsets))insets { 89 | return ^id(MASEdgeInsets insets){ 90 | self.insets = insets; 91 | return self; 92 | }; 93 | } 94 | 95 | - (MASConstraint * (^)(CGFloat))inset { 96 | return ^id(CGFloat inset){ 97 | self.inset = inset; 98 | return self; 99 | }; 100 | } 101 | 102 | - (MASConstraint * (^)(CGSize))sizeOffset { 103 | return ^id(CGSize offset) { 104 | self.sizeOffset = offset; 105 | return self; 106 | }; 107 | } 108 | 109 | - (MASConstraint * (^)(CGPoint))centerOffset { 110 | return ^id(CGPoint offset) { 111 | self.centerOffset = offset; 112 | return self; 113 | }; 114 | } 115 | 116 | - (MASConstraint * (^)(CGFloat))offset { 117 | return ^id(CGFloat offset){ 118 | self.offset = offset; 119 | return self; 120 | }; 121 | } 122 | 123 | - (MASConstraint * (^)(NSValue *value))valueOffset { 124 | return ^id(NSValue *offset) { 125 | NSAssert([offset isKindOfClass:NSValue.class], @"expected an NSValue offset, got: %@", offset); 126 | [self setLayoutConstantWithValue:offset]; 127 | return self; 128 | }; 129 | } 130 | 131 | - (MASConstraint * (^)(id offset))mas_offset { 132 | // Will never be called due to macro 133 | return nil; 134 | } 135 | 136 | #pragma mark - NSLayoutConstraint constant setter 137 | 138 | - (void)setLayoutConstantWithValue:(NSValue *)value { 139 | if ([value isKindOfClass:NSNumber.class]) { 140 | self.offset = [(NSNumber *)value doubleValue]; 141 | } else if (strcmp(value.objCType, @encode(CGPoint)) == 0) { 142 | CGPoint point; 143 | [value getValue:&point]; 144 | self.centerOffset = point; 145 | } else if (strcmp(value.objCType, @encode(CGSize)) == 0) { 146 | CGSize size; 147 | [value getValue:&size]; 148 | self.sizeOffset = size; 149 | } else if (strcmp(value.objCType, @encode(MASEdgeInsets)) == 0) { 150 | MASEdgeInsets insets; 151 | [value getValue:&insets]; 152 | self.insets = insets; 153 | } else { 154 | NSAssert(NO, @"attempting to set layout constant with unsupported value: %@", value); 155 | } 156 | } 157 | 158 | #pragma mark - Semantic properties 159 | 160 | - (MASConstraint *)with { 161 | return self; 162 | } 163 | 164 | - (MASConstraint *)and { 165 | return self; 166 | } 167 | 168 | #pragma mark - Chaining 169 | 170 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute __unused)layoutAttribute { 171 | MASMethodNotImplemented(); 172 | } 173 | 174 | - (MASConstraint *)left { 175 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeft]; 176 | } 177 | 178 | - (MASConstraint *)top { 179 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTop]; 180 | } 181 | 182 | - (MASConstraint *)right { 183 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRight]; 184 | } 185 | 186 | - (MASConstraint *)bottom { 187 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottom]; 188 | } 189 | 190 | - (MASConstraint *)leading { 191 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeading]; 192 | } 193 | 194 | - (MASConstraint *)trailing { 195 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailing]; 196 | } 197 | 198 | - (MASConstraint *)width { 199 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeWidth]; 200 | } 201 | 202 | - (MASConstraint *)height { 203 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeHeight]; 204 | } 205 | 206 | - (MASConstraint *)centerX { 207 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterX]; 208 | } 209 | 210 | - (MASConstraint *)centerY { 211 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterY]; 212 | } 213 | 214 | - (MASConstraint *)baseline { 215 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBaseline]; 216 | } 217 | 218 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 219 | 220 | - (MASConstraint *)firstBaseline { 221 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeFirstBaseline]; 222 | } 223 | - (MASConstraint *)lastBaseline { 224 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLastBaseline]; 225 | } 226 | 227 | #endif 228 | 229 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 230 | 231 | - (MASConstraint *)leftMargin { 232 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin]; 233 | } 234 | 235 | - (MASConstraint *)rightMargin { 236 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRightMargin]; 237 | } 238 | 239 | - (MASConstraint *)topMargin { 240 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTopMargin]; 241 | } 242 | 243 | - (MASConstraint *)bottomMargin { 244 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottomMargin]; 245 | } 246 | 247 | - (MASConstraint *)leadingMargin { 248 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeadingMargin]; 249 | } 250 | 251 | - (MASConstraint *)trailingMargin { 252 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailingMargin]; 253 | } 254 | 255 | - (MASConstraint *)centerXWithinMargins { 256 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 257 | } 258 | 259 | - (MASConstraint *)centerYWithinMargins { 260 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 261 | } 262 | 263 | #endif 264 | 265 | #pragma mark - Abstract 266 | 267 | - (MASConstraint * (^)(CGFloat multiplier))multipliedBy { MASMethodNotImplemented(); } 268 | 269 | - (MASConstraint * (^)(CGFloat divider))dividedBy { MASMethodNotImplemented(); } 270 | 271 | - (MASConstraint * (^)(MASLayoutPriority priority))priority { MASMethodNotImplemented(); } 272 | 273 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { MASMethodNotImplemented(); } 274 | 275 | - (MASConstraint * (^)(id key))key { MASMethodNotImplemented(); } 276 | 277 | - (void)setInsets:(MASEdgeInsets __unused)insets { MASMethodNotImplemented(); } 278 | 279 | - (void)setInset:(CGFloat __unused)inset { MASMethodNotImplemented(); } 280 | 281 | - (void)setSizeOffset:(CGSize __unused)sizeOffset { MASMethodNotImplemented(); } 282 | 283 | - (void)setCenterOffset:(CGPoint __unused)centerOffset { MASMethodNotImplemented(); } 284 | 285 | - (void)setOffset:(CGFloat __unused)offset { MASMethodNotImplemented(); } 286 | 287 | #if TARGET_OS_MAC && !(TARGET_OS_IPHONE || TARGET_OS_TV) 288 | 289 | - (MASConstraint *)animator { MASMethodNotImplemented(); } 290 | 291 | #endif 292 | 293 | - (void)activate { MASMethodNotImplemented(); } 294 | 295 | - (void)deactivate { MASMethodNotImplemented(); } 296 | 297 | - (void)install { MASMethodNotImplemented(); } 298 | 299 | - (void)uninstall { MASMethodNotImplemented(); } 300 | 301 | @end 302 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASConstraintMaker.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraintMaker.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraint.h" 10 | #import "MASUtilities.h" 11 | 12 | typedef NS_OPTIONS(NSInteger, MASAttribute) { 13 | MASAttributeLeft = 1 << NSLayoutAttributeLeft, 14 | MASAttributeRight = 1 << NSLayoutAttributeRight, 15 | MASAttributeTop = 1 << NSLayoutAttributeTop, 16 | MASAttributeBottom = 1 << NSLayoutAttributeBottom, 17 | MASAttributeLeading = 1 << NSLayoutAttributeLeading, 18 | MASAttributeTrailing = 1 << NSLayoutAttributeTrailing, 19 | MASAttributeWidth = 1 << NSLayoutAttributeWidth, 20 | MASAttributeHeight = 1 << NSLayoutAttributeHeight, 21 | MASAttributeCenterX = 1 << NSLayoutAttributeCenterX, 22 | MASAttributeCenterY = 1 << NSLayoutAttributeCenterY, 23 | MASAttributeBaseline = 1 << NSLayoutAttributeBaseline, 24 | 25 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 26 | 27 | MASAttributeFirstBaseline = 1 << NSLayoutAttributeFirstBaseline, 28 | MASAttributeLastBaseline = 1 << NSLayoutAttributeLastBaseline, 29 | 30 | #endif 31 | 32 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 33 | 34 | MASAttributeLeftMargin = 1 << NSLayoutAttributeLeftMargin, 35 | MASAttributeRightMargin = 1 << NSLayoutAttributeRightMargin, 36 | MASAttributeTopMargin = 1 << NSLayoutAttributeTopMargin, 37 | MASAttributeBottomMargin = 1 << NSLayoutAttributeBottomMargin, 38 | MASAttributeLeadingMargin = 1 << NSLayoutAttributeLeadingMargin, 39 | MASAttributeTrailingMargin = 1 << NSLayoutAttributeTrailingMargin, 40 | MASAttributeCenterXWithinMargins = 1 << NSLayoutAttributeCenterXWithinMargins, 41 | MASAttributeCenterYWithinMargins = 1 << NSLayoutAttributeCenterYWithinMargins, 42 | 43 | #endif 44 | 45 | }; 46 | 47 | /** 48 | * Provides factory methods for creating MASConstraints. 49 | * Constraints are collected until they are ready to be installed 50 | * 51 | */ 52 | @interface MASConstraintMaker : NSObject 53 | 54 | /** 55 | * The following properties return a new MASViewConstraint 56 | * with the first item set to the makers associated view and the appropriate MASViewAttribute 57 | */ 58 | @property (nonatomic, strong, readonly) MASConstraint *left; 59 | @property (nonatomic, strong, readonly) MASConstraint *top; 60 | @property (nonatomic, strong, readonly) MASConstraint *right; 61 | @property (nonatomic, strong, readonly) MASConstraint *bottom; 62 | @property (nonatomic, strong, readonly) MASConstraint *leading; 63 | @property (nonatomic, strong, readonly) MASConstraint *trailing; 64 | @property (nonatomic, strong, readonly) MASConstraint *width; 65 | @property (nonatomic, strong, readonly) MASConstraint *height; 66 | @property (nonatomic, strong, readonly) MASConstraint *centerX; 67 | @property (nonatomic, strong, readonly) MASConstraint *centerY; 68 | @property (nonatomic, strong, readonly) MASConstraint *baseline; 69 | 70 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 71 | 72 | @property (nonatomic, strong, readonly) MASConstraint *firstBaseline; 73 | @property (nonatomic, strong, readonly) MASConstraint *lastBaseline; 74 | 75 | #endif 76 | 77 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 78 | 79 | @property (nonatomic, strong, readonly) MASConstraint *leftMargin; 80 | @property (nonatomic, strong, readonly) MASConstraint *rightMargin; 81 | @property (nonatomic, strong, readonly) MASConstraint *topMargin; 82 | @property (nonatomic, strong, readonly) MASConstraint *bottomMargin; 83 | @property (nonatomic, strong, readonly) MASConstraint *leadingMargin; 84 | @property (nonatomic, strong, readonly) MASConstraint *trailingMargin; 85 | @property (nonatomic, strong, readonly) MASConstraint *centerXWithinMargins; 86 | @property (nonatomic, strong, readonly) MASConstraint *centerYWithinMargins; 87 | 88 | #endif 89 | 90 | /** 91 | * Returns a block which creates a new MASCompositeConstraint with the first item set 92 | * to the makers associated view and children corresponding to the set bits in the 93 | * MASAttribute parameter. Combine multiple attributes via binary-or. 94 | */ 95 | @property (nonatomic, strong, readonly) MASConstraint *(^attributes)(MASAttribute attrs); 96 | 97 | /** 98 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeEdges 99 | * which generates the appropriate MASViewConstraint children (top, left, bottom, right) 100 | * with the first item set to the makers associated view 101 | */ 102 | @property (nonatomic, strong, readonly) MASConstraint *edges; 103 | 104 | /** 105 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeSize 106 | * which generates the appropriate MASViewConstraint children (width, height) 107 | * with the first item set to the makers associated view 108 | */ 109 | @property (nonatomic, strong, readonly) MASConstraint *size; 110 | 111 | /** 112 | * Creates a MASCompositeConstraint with type MASCompositeConstraintTypeCenter 113 | * which generates the appropriate MASViewConstraint children (centerX, centerY) 114 | * with the first item set to the makers associated view 115 | */ 116 | @property (nonatomic, strong, readonly) MASConstraint *center; 117 | 118 | /** 119 | * Whether or not to check for an existing constraint instead of adding constraint 120 | */ 121 | @property (nonatomic, assign) BOOL updateExisting; 122 | 123 | /** 124 | * Whether or not to remove existing constraints prior to installing 125 | */ 126 | @property (nonatomic, assign) BOOL removeExisting; 127 | 128 | /** 129 | * initialises the maker with a default view 130 | * 131 | * @param view any MASConstraint are created with this view as the first item 132 | * 133 | * @return a new MASConstraintMaker 134 | */ 135 | - (id)initWithView:(MAS_VIEW *)view; 136 | 137 | /** 138 | * Calls install method on any MASConstraints which have been created by this maker 139 | * 140 | * @return an array of all the installed MASConstraints 141 | */ 142 | - (NSArray *)install; 143 | 144 | - (MASConstraint * (^)(dispatch_block_t))group; 145 | 146 | @end 147 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASConstraintMaker.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASConstraintMaker.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASConstraintMaker.h" 10 | #import "MASViewConstraint.h" 11 | #import "MASCompositeConstraint.h" 12 | #import "MASConstraint+Private.h" 13 | #import "MASViewAttribute.h" 14 | #import "View+MASAdditions.h" 15 | 16 | @interface MASConstraintMaker () 17 | 18 | @property (nonatomic, weak) MAS_VIEW *view; 19 | @property (nonatomic, strong) NSMutableArray *constraints; 20 | 21 | @end 22 | 23 | @implementation MASConstraintMaker 24 | 25 | - (id)initWithView:(MAS_VIEW *)view { 26 | self = [super init]; 27 | if (!self) return nil; 28 | 29 | self.view = view; 30 | self.constraints = NSMutableArray.new; 31 | 32 | return self; 33 | } 34 | 35 | - (NSArray *)install { 36 | if (self.removeExisting) { 37 | NSArray *installedConstraints = [MASViewConstraint installedConstraintsForView:self.view]; 38 | for (MASConstraint *constraint in installedConstraints) { 39 | [constraint uninstall]; 40 | } 41 | } 42 | NSArray *constraints = self.constraints.copy; 43 | for (MASConstraint *constraint in constraints) { 44 | constraint.updateExisting = self.updateExisting; 45 | [constraint install]; 46 | } 47 | [self.constraints removeAllObjects]; 48 | return constraints; 49 | } 50 | 51 | #pragma mark - MASConstraintDelegate 52 | 53 | - (void)constraint:(MASConstraint *)constraint shouldBeReplacedWithConstraint:(MASConstraint *)replacementConstraint { 54 | NSUInteger index = [self.constraints indexOfObject:constraint]; 55 | NSAssert(index != NSNotFound, @"Could not find constraint %@", constraint); 56 | [self.constraints replaceObjectAtIndex:index withObject:replacementConstraint]; 57 | } 58 | 59 | - (MASConstraint *)constraint:(MASConstraint *)constraint addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 60 | MASViewAttribute *viewAttribute = [[MASViewAttribute alloc] initWithView:self.view layoutAttribute:layoutAttribute]; 61 | MASViewConstraint *newConstraint = [[MASViewConstraint alloc] initWithFirstViewAttribute:viewAttribute]; 62 | if ([constraint isKindOfClass:MASViewConstraint.class]) { 63 | //replace with composite constraint 64 | NSArray *children = @[constraint, newConstraint]; 65 | MASCompositeConstraint *compositeConstraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 66 | compositeConstraint.delegate = self; 67 | [self constraint:constraint shouldBeReplacedWithConstraint:compositeConstraint]; 68 | return compositeConstraint; 69 | } 70 | if (!constraint) { 71 | newConstraint.delegate = self; 72 | [self.constraints addObject:newConstraint]; 73 | } 74 | return newConstraint; 75 | } 76 | 77 | - (MASConstraint *)addConstraintWithAttributes:(MASAttribute)attrs { 78 | __unused MASAttribute anyAttribute = (MASAttributeLeft | MASAttributeRight | MASAttributeTop | MASAttributeBottom | MASAttributeLeading 79 | | MASAttributeTrailing | MASAttributeWidth | MASAttributeHeight | MASAttributeCenterX 80 | | MASAttributeCenterY | MASAttributeBaseline 81 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 82 | | MASAttributeFirstBaseline | MASAttributeLastBaseline 83 | #endif 84 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 85 | | MASAttributeLeftMargin | MASAttributeRightMargin | MASAttributeTopMargin | MASAttributeBottomMargin 86 | | MASAttributeLeadingMargin | MASAttributeTrailingMargin | MASAttributeCenterXWithinMargins 87 | | MASAttributeCenterYWithinMargins 88 | #endif 89 | ); 90 | 91 | NSAssert((attrs & anyAttribute) != 0, @"You didn't pass any attribute to make.attributes(...)"); 92 | 93 | NSMutableArray *attributes = [NSMutableArray array]; 94 | 95 | if (attrs & MASAttributeLeft) [attributes addObject:self.view.mas_left]; 96 | if (attrs & MASAttributeRight) [attributes addObject:self.view.mas_right]; 97 | if (attrs & MASAttributeTop) [attributes addObject:self.view.mas_top]; 98 | if (attrs & MASAttributeBottom) [attributes addObject:self.view.mas_bottom]; 99 | if (attrs & MASAttributeLeading) [attributes addObject:self.view.mas_leading]; 100 | if (attrs & MASAttributeTrailing) [attributes addObject:self.view.mas_trailing]; 101 | if (attrs & MASAttributeWidth) [attributes addObject:self.view.mas_width]; 102 | if (attrs & MASAttributeHeight) [attributes addObject:self.view.mas_height]; 103 | if (attrs & MASAttributeCenterX) [attributes addObject:self.view.mas_centerX]; 104 | if (attrs & MASAttributeCenterY) [attributes addObject:self.view.mas_centerY]; 105 | if (attrs & MASAttributeBaseline) [attributes addObject:self.view.mas_baseline]; 106 | 107 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 108 | 109 | if (attrs & MASAttributeFirstBaseline) [attributes addObject:self.view.mas_firstBaseline]; 110 | if (attrs & MASAttributeLastBaseline) [attributes addObject:self.view.mas_lastBaseline]; 111 | 112 | #endif 113 | 114 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 115 | 116 | if (attrs & MASAttributeLeftMargin) [attributes addObject:self.view.mas_leftMargin]; 117 | if (attrs & MASAttributeRightMargin) [attributes addObject:self.view.mas_rightMargin]; 118 | if (attrs & MASAttributeTopMargin) [attributes addObject:self.view.mas_topMargin]; 119 | if (attrs & MASAttributeBottomMargin) [attributes addObject:self.view.mas_bottomMargin]; 120 | if (attrs & MASAttributeLeadingMargin) [attributes addObject:self.view.mas_leadingMargin]; 121 | if (attrs & MASAttributeTrailingMargin) [attributes addObject:self.view.mas_trailingMargin]; 122 | if (attrs & MASAttributeCenterXWithinMargins) [attributes addObject:self.view.mas_centerXWithinMargins]; 123 | if (attrs & MASAttributeCenterYWithinMargins) [attributes addObject:self.view.mas_centerYWithinMargins]; 124 | 125 | #endif 126 | 127 | NSMutableArray *children = [NSMutableArray arrayWithCapacity:attributes.count]; 128 | 129 | for (MASViewAttribute *a in attributes) { 130 | [children addObject:[[MASViewConstraint alloc] initWithFirstViewAttribute:a]]; 131 | } 132 | 133 | MASCompositeConstraint *constraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 134 | constraint.delegate = self; 135 | [self.constraints addObject:constraint]; 136 | return constraint; 137 | } 138 | 139 | #pragma mark - standard Attributes 140 | 141 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 142 | return [self constraint:nil addConstraintWithLayoutAttribute:layoutAttribute]; 143 | } 144 | 145 | - (MASConstraint *)left { 146 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeft]; 147 | } 148 | 149 | - (MASConstraint *)top { 150 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTop]; 151 | } 152 | 153 | - (MASConstraint *)right { 154 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRight]; 155 | } 156 | 157 | - (MASConstraint *)bottom { 158 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottom]; 159 | } 160 | 161 | - (MASConstraint *)leading { 162 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeading]; 163 | } 164 | 165 | - (MASConstraint *)trailing { 166 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailing]; 167 | } 168 | 169 | - (MASConstraint *)width { 170 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeWidth]; 171 | } 172 | 173 | - (MASConstraint *)height { 174 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeHeight]; 175 | } 176 | 177 | - (MASConstraint *)centerX { 178 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterX]; 179 | } 180 | 181 | - (MASConstraint *)centerY { 182 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterY]; 183 | } 184 | 185 | - (MASConstraint *)baseline { 186 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBaseline]; 187 | } 188 | 189 | - (MASConstraint *(^)(MASAttribute))attributes { 190 | return ^(MASAttribute attrs){ 191 | return [self addConstraintWithAttributes:attrs]; 192 | }; 193 | } 194 | 195 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 196 | 197 | - (MASConstraint *)firstBaseline { 198 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeFirstBaseline]; 199 | } 200 | 201 | - (MASConstraint *)lastBaseline { 202 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLastBaseline]; 203 | } 204 | 205 | #endif 206 | 207 | 208 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 209 | 210 | - (MASConstraint *)leftMargin { 211 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeftMargin]; 212 | } 213 | 214 | - (MASConstraint *)rightMargin { 215 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeRightMargin]; 216 | } 217 | 218 | - (MASConstraint *)topMargin { 219 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTopMargin]; 220 | } 221 | 222 | - (MASConstraint *)bottomMargin { 223 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeBottomMargin]; 224 | } 225 | 226 | - (MASConstraint *)leadingMargin { 227 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeLeadingMargin]; 228 | } 229 | 230 | - (MASConstraint *)trailingMargin { 231 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeTrailingMargin]; 232 | } 233 | 234 | - (MASConstraint *)centerXWithinMargins { 235 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 236 | } 237 | 238 | - (MASConstraint *)centerYWithinMargins { 239 | return [self addConstraintWithLayoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 240 | } 241 | 242 | #endif 243 | 244 | 245 | #pragma mark - composite Attributes 246 | 247 | - (MASConstraint *)edges { 248 | return [self addConstraintWithAttributes:MASAttributeTop | MASAttributeLeft | MASAttributeRight | MASAttributeBottom]; 249 | } 250 | 251 | - (MASConstraint *)size { 252 | return [self addConstraintWithAttributes:MASAttributeWidth | MASAttributeHeight]; 253 | } 254 | 255 | - (MASConstraint *)center { 256 | return [self addConstraintWithAttributes:MASAttributeCenterX | MASAttributeCenterY]; 257 | } 258 | 259 | #pragma mark - grouping 260 | 261 | - (MASConstraint *(^)(dispatch_block_t group))group { 262 | return ^id(dispatch_block_t group) { 263 | NSInteger previousCount = self.constraints.count; 264 | group(); 265 | 266 | NSArray *children = [self.constraints subarrayWithRange:NSMakeRange(previousCount, self.constraints.count - previousCount)]; 267 | MASCompositeConstraint *constraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 268 | constraint.delegate = self; 269 | return constraint; 270 | }; 271 | } 272 | 273 | @end 274 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASLayoutConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASLayoutConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * When you are debugging or printing the constraints attached to a view this subclass 13 | * makes it easier to identify which constraints have been created via Masonry 14 | */ 15 | @interface MASLayoutConstraint : NSLayoutConstraint 16 | 17 | /** 18 | * a key to associate with this constraint 19 | */ 20 | @property (nonatomic, strong) id mas_key; 21 | 22 | @end 23 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASLayoutConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASLayoutConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASLayoutConstraint.h" 10 | 11 | @implementation MASLayoutConstraint 12 | 13 | @end 14 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASUtilities.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASUtilities.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 19/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | 12 | 13 | #if TARGET_OS_IPHONE || TARGET_OS_TV 14 | 15 | #import 16 | #define MAS_VIEW UIView 17 | #define MAS_VIEW_CONTROLLER UIViewController 18 | #define MASEdgeInsets UIEdgeInsets 19 | 20 | typedef UILayoutPriority MASLayoutPriority; 21 | static const MASLayoutPriority MASLayoutPriorityRequired = UILayoutPriorityRequired; 22 | static const MASLayoutPriority MASLayoutPriorityDefaultHigh = UILayoutPriorityDefaultHigh; 23 | static const MASLayoutPriority MASLayoutPriorityDefaultMedium = 500; 24 | static const MASLayoutPriority MASLayoutPriorityDefaultLow = UILayoutPriorityDefaultLow; 25 | static const MASLayoutPriority MASLayoutPriorityFittingSizeLevel = UILayoutPriorityFittingSizeLevel; 26 | 27 | #elif TARGET_OS_MAC 28 | 29 | #import 30 | #define MAS_VIEW NSView 31 | #define MASEdgeInsets NSEdgeInsets 32 | 33 | typedef NSLayoutPriority MASLayoutPriority; 34 | static const MASLayoutPriority MASLayoutPriorityRequired = NSLayoutPriorityRequired; 35 | static const MASLayoutPriority MASLayoutPriorityDefaultHigh = NSLayoutPriorityDefaultHigh; 36 | static const MASLayoutPriority MASLayoutPriorityDragThatCanResizeWindow = NSLayoutPriorityDragThatCanResizeWindow; 37 | static const MASLayoutPriority MASLayoutPriorityDefaultMedium = 501; 38 | static const MASLayoutPriority MASLayoutPriorityWindowSizeStayPut = NSLayoutPriorityWindowSizeStayPut; 39 | static const MASLayoutPriority MASLayoutPriorityDragThatCannotResizeWindow = NSLayoutPriorityDragThatCannotResizeWindow; 40 | static const MASLayoutPriority MASLayoutPriorityDefaultLow = NSLayoutPriorityDefaultLow; 41 | static const MASLayoutPriority MASLayoutPriorityFittingSizeCompression = NSLayoutPriorityFittingSizeCompression; 42 | 43 | #endif 44 | 45 | /** 46 | * Allows you to attach keys to objects matching the variable names passed. 47 | * 48 | * view1.mas_key = @"view1", view2.mas_key = @"view2"; 49 | * 50 | * is equivalent to: 51 | * 52 | * MASAttachKeys(view1, view2); 53 | */ 54 | #define MASAttachKeys(...) \ 55 | { \ 56 | NSDictionary *keyPairs = NSDictionaryOfVariableBindings(__VA_ARGS__); \ 57 | for (id key in keyPairs.allKeys) { \ 58 | id obj = keyPairs[key]; \ 59 | NSAssert([obj respondsToSelector:@selector(setMas_key:)], \ 60 | @"Cannot attach mas_key to %@", obj); \ 61 | [obj setMas_key:key]; \ 62 | } \ 63 | } 64 | 65 | /** 66 | * Used to create object hashes 67 | * Based on http://www.mikeash.com/pyblog/friday-qa-2010-06-18-implementing-equality-and-hashing.html 68 | */ 69 | #define MAS_NSUINT_BIT (CHAR_BIT * sizeof(NSUInteger)) 70 | #define MAS_NSUINTROTATE(val, howmuch) ((((NSUInteger)val) << howmuch) | (((NSUInteger)val) >> (MAS_NSUINT_BIT - howmuch))) 71 | 72 | /** 73 | * Given a scalar or struct value, wraps it in NSValue 74 | * Based on EXPObjectify: https://github.com/specta/expecta 75 | */ 76 | static inline id _MASBoxValue(const char *type, ...) { 77 | va_list v; 78 | va_start(v, type); 79 | id obj = nil; 80 | if (strcmp(type, @encode(id)) == 0) { 81 | id actual = va_arg(v, id); 82 | obj = actual; 83 | } else if (strcmp(type, @encode(CGPoint)) == 0) { 84 | CGPoint actual = (CGPoint)va_arg(v, CGPoint); 85 | obj = [NSValue value:&actual withObjCType:type]; 86 | } else if (strcmp(type, @encode(CGSize)) == 0) { 87 | CGSize actual = (CGSize)va_arg(v, CGSize); 88 | obj = [NSValue value:&actual withObjCType:type]; 89 | } else if (strcmp(type, @encode(MASEdgeInsets)) == 0) { 90 | MASEdgeInsets actual = (MASEdgeInsets)va_arg(v, MASEdgeInsets); 91 | obj = [NSValue value:&actual withObjCType:type]; 92 | } else if (strcmp(type, @encode(double)) == 0) { 93 | double actual = (double)va_arg(v, double); 94 | obj = [NSNumber numberWithDouble:actual]; 95 | } else if (strcmp(type, @encode(float)) == 0) { 96 | float actual = (float)va_arg(v, double); 97 | obj = [NSNumber numberWithFloat:actual]; 98 | } else if (strcmp(type, @encode(int)) == 0) { 99 | int actual = (int)va_arg(v, int); 100 | obj = [NSNumber numberWithInt:actual]; 101 | } else if (strcmp(type, @encode(long)) == 0) { 102 | long actual = (long)va_arg(v, long); 103 | obj = [NSNumber numberWithLong:actual]; 104 | } else if (strcmp(type, @encode(long long)) == 0) { 105 | long long actual = (long long)va_arg(v, long long); 106 | obj = [NSNumber numberWithLongLong:actual]; 107 | } else if (strcmp(type, @encode(short)) == 0) { 108 | short actual = (short)va_arg(v, int); 109 | obj = [NSNumber numberWithShort:actual]; 110 | } else if (strcmp(type, @encode(char)) == 0) { 111 | char actual = (char)va_arg(v, int); 112 | obj = [NSNumber numberWithChar:actual]; 113 | } else if (strcmp(type, @encode(bool)) == 0) { 114 | bool actual = (bool)va_arg(v, int); 115 | obj = [NSNumber numberWithBool:actual]; 116 | } else if (strcmp(type, @encode(unsigned char)) == 0) { 117 | unsigned char actual = (unsigned char)va_arg(v, unsigned int); 118 | obj = [NSNumber numberWithUnsignedChar:actual]; 119 | } else if (strcmp(type, @encode(unsigned int)) == 0) { 120 | unsigned int actual = (unsigned int)va_arg(v, unsigned int); 121 | obj = [NSNumber numberWithUnsignedInt:actual]; 122 | } else if (strcmp(type, @encode(unsigned long)) == 0) { 123 | unsigned long actual = (unsigned long)va_arg(v, unsigned long); 124 | obj = [NSNumber numberWithUnsignedLong:actual]; 125 | } else if (strcmp(type, @encode(unsigned long long)) == 0) { 126 | unsigned long long actual = (unsigned long long)va_arg(v, unsigned long long); 127 | obj = [NSNumber numberWithUnsignedLongLong:actual]; 128 | } else if (strcmp(type, @encode(unsigned short)) == 0) { 129 | unsigned short actual = (unsigned short)va_arg(v, unsigned int); 130 | obj = [NSNumber numberWithUnsignedShort:actual]; 131 | } 132 | va_end(v); 133 | return obj; 134 | } 135 | 136 | #define MASBoxValue(value) _MASBoxValue(@encode(__typeof__((value))), (value)) 137 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASViewAttribute.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASViewAttribute.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * An immutable tuple which stores the view and the related NSLayoutAttribute. 13 | * Describes part of either the left or right hand side of a constraint equation 14 | */ 15 | @interface MASViewAttribute : NSObject 16 | 17 | /** 18 | * The view which the reciever relates to. Can be nil if item is not a view. 19 | */ 20 | @property (nonatomic, weak, readonly) MAS_VIEW *view; 21 | 22 | /** 23 | * The item which the reciever relates to. 24 | */ 25 | @property (nonatomic, weak, readonly) id item; 26 | 27 | /** 28 | * The attribute which the reciever relates to 29 | */ 30 | @property (nonatomic, assign, readonly) NSLayoutAttribute layoutAttribute; 31 | 32 | /** 33 | * Convenience initializer. 34 | */ 35 | - (id)initWithView:(MAS_VIEW *)view layoutAttribute:(NSLayoutAttribute)layoutAttribute; 36 | 37 | /** 38 | * The designated initializer. 39 | */ 40 | - (id)initWithView:(MAS_VIEW *)view item:(id)item layoutAttribute:(NSLayoutAttribute)layoutAttribute; 41 | 42 | /** 43 | * Determine whether the layoutAttribute is a size attribute 44 | * 45 | * @return YES if layoutAttribute is equal to NSLayoutAttributeWidth or NSLayoutAttributeHeight 46 | */ 47 | - (BOOL)isSizeAttribute; 48 | 49 | @end 50 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASViewAttribute.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASViewAttribute.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 21/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewAttribute.h" 10 | 11 | @implementation MASViewAttribute 12 | 13 | - (id)initWithView:(MAS_VIEW *)view layoutAttribute:(NSLayoutAttribute)layoutAttribute { 14 | self = [self initWithView:view item:view layoutAttribute:layoutAttribute]; 15 | return self; 16 | } 17 | 18 | - (id)initWithView:(MAS_VIEW *)view item:(id)item layoutAttribute:(NSLayoutAttribute)layoutAttribute { 19 | self = [super init]; 20 | if (!self) return nil; 21 | 22 | _view = view; 23 | _item = item; 24 | _layoutAttribute = layoutAttribute; 25 | 26 | return self; 27 | } 28 | 29 | - (BOOL)isSizeAttribute { 30 | return self.layoutAttribute == NSLayoutAttributeWidth 31 | || self.layoutAttribute == NSLayoutAttributeHeight; 32 | } 33 | 34 | - (BOOL)isEqual:(MASViewAttribute *)viewAttribute { 35 | if ([viewAttribute isKindOfClass:self.class]) { 36 | return self.view == viewAttribute.view 37 | && self.layoutAttribute == viewAttribute.layoutAttribute; 38 | } 39 | return [super isEqual:viewAttribute]; 40 | } 41 | 42 | - (NSUInteger)hash { 43 | return MAS_NSUINTROTATE([self.view hash], MAS_NSUINT_BIT / 2) ^ self.layoutAttribute; 44 | } 45 | 46 | @end 47 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASViewConstraint.h: -------------------------------------------------------------------------------- 1 | // 2 | // MASViewConstraint.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewAttribute.h" 10 | #import "MASConstraint.h" 11 | #import "MASLayoutConstraint.h" 12 | #import "MASUtilities.h" 13 | 14 | /** 15 | * A single constraint. 16 | * Contains the attributes neccessary for creating a NSLayoutConstraint and adding it to the appropriate view 17 | */ 18 | @interface MASViewConstraint : MASConstraint 19 | 20 | /** 21 | * First item/view and first attribute of the NSLayoutConstraint 22 | */ 23 | @property (nonatomic, strong, readonly) MASViewAttribute *firstViewAttribute; 24 | 25 | /** 26 | * Second item/view and second attribute of the NSLayoutConstraint 27 | */ 28 | @property (nonatomic, strong, readonly) MASViewAttribute *secondViewAttribute; 29 | 30 | /** 31 | * initialises the MASViewConstraint with the first part of the equation 32 | * 33 | * @param firstViewAttribute view.mas_left, view.mas_width etc. 34 | * 35 | * @return a new view constraint 36 | */ 37 | - (id)initWithFirstViewAttribute:(MASViewAttribute *)firstViewAttribute; 38 | 39 | /** 40 | * Returns all MASViewConstraints installed with this view as a first item. 41 | * 42 | * @param view A view to retrieve constraints for. 43 | * 44 | * @return An array of MASViewConstraints. 45 | */ 46 | + (NSArray *)installedConstraintsForView:(MAS_VIEW *)view; 47 | 48 | @end 49 | -------------------------------------------------------------------------------- /Masonry/Masonry/MASViewConstraint.m: -------------------------------------------------------------------------------- 1 | // 2 | // MASViewConstraint.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASViewConstraint.h" 10 | #import "MASConstraint+Private.h" 11 | #import "MASCompositeConstraint.h" 12 | #import "MASLayoutConstraint.h" 13 | #import "View+MASAdditions.h" 14 | #import 15 | 16 | @interface MAS_VIEW (MASConstraints) 17 | 18 | @property (nonatomic, readonly) NSMutableSet *mas_installedConstraints; 19 | 20 | @end 21 | 22 | @implementation MAS_VIEW (MASConstraints) 23 | 24 | static char kInstalledConstraintsKey; 25 | 26 | - (NSMutableSet *)mas_installedConstraints { 27 | NSMutableSet *constraints = objc_getAssociatedObject(self, &kInstalledConstraintsKey); 28 | if (!constraints) { 29 | constraints = [NSMutableSet set]; 30 | objc_setAssociatedObject(self, &kInstalledConstraintsKey, constraints, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 31 | } 32 | return constraints; 33 | } 34 | 35 | @end 36 | 37 | 38 | @interface MASViewConstraint () 39 | 40 | @property (nonatomic, strong, readwrite) MASViewAttribute *secondViewAttribute; 41 | @property (nonatomic, weak) MAS_VIEW *installedView; 42 | @property (nonatomic, weak) MASLayoutConstraint *layoutConstraint; 43 | @property (nonatomic, assign) NSLayoutRelation layoutRelation; 44 | @property (nonatomic, assign) MASLayoutPriority layoutPriority; 45 | @property (nonatomic, assign) CGFloat layoutMultiplier; 46 | @property (nonatomic, assign) CGFloat layoutConstant; 47 | @property (nonatomic, assign) BOOL hasLayoutRelation; 48 | @property (nonatomic, strong) id mas_key; 49 | @property (nonatomic, assign) BOOL useAnimator; 50 | 51 | @end 52 | 53 | @implementation MASViewConstraint 54 | 55 | - (id)initWithFirstViewAttribute:(MASViewAttribute *)firstViewAttribute { 56 | self = [super init]; 57 | if (!self) return nil; 58 | 59 | _firstViewAttribute = firstViewAttribute; 60 | self.layoutPriority = MASLayoutPriorityRequired; 61 | self.layoutMultiplier = 1; 62 | 63 | return self; 64 | } 65 | 66 | #pragma mark - NSCoping 67 | 68 | - (id)copyWithZone:(NSZone __unused *)zone { 69 | MASViewConstraint *constraint = [[MASViewConstraint alloc] initWithFirstViewAttribute:self.firstViewAttribute]; 70 | constraint.layoutConstant = self.layoutConstant; 71 | constraint.layoutRelation = self.layoutRelation; 72 | constraint.layoutPriority = self.layoutPriority; 73 | constraint.layoutMultiplier = self.layoutMultiplier; 74 | constraint.delegate = self.delegate; 75 | return constraint; 76 | } 77 | 78 | #pragma mark - Public 79 | 80 | + (NSArray *)installedConstraintsForView:(MAS_VIEW *)view { 81 | return [view.mas_installedConstraints allObjects]; 82 | } 83 | 84 | #pragma mark - Private 85 | 86 | - (void)setLayoutConstant:(CGFloat)layoutConstant { 87 | _layoutConstant = layoutConstant; 88 | 89 | #if TARGET_OS_MAC && !(TARGET_OS_IPHONE || TARGET_OS_TV) 90 | if (self.useAnimator) { 91 | [self.layoutConstraint.animator setConstant:layoutConstant]; 92 | } else { 93 | self.layoutConstraint.constant = layoutConstant; 94 | } 95 | #else 96 | self.layoutConstraint.constant = layoutConstant; 97 | #endif 98 | } 99 | 100 | - (void)setLayoutRelation:(NSLayoutRelation)layoutRelation { 101 | _layoutRelation = layoutRelation; 102 | self.hasLayoutRelation = YES; 103 | } 104 | 105 | - (BOOL)supportsActiveProperty { 106 | return [self.layoutConstraint respondsToSelector:@selector(isActive)]; 107 | } 108 | 109 | - (BOOL)isActive { 110 | BOOL active = YES; 111 | if ([self supportsActiveProperty]) { 112 | active = [self.layoutConstraint isActive]; 113 | } 114 | 115 | return active; 116 | } 117 | 118 | - (BOOL)hasBeenInstalled { 119 | return (self.layoutConstraint != nil) && [self isActive]; 120 | } 121 | 122 | - (void)setSecondViewAttribute:(id)secondViewAttribute { 123 | if ([secondViewAttribute isKindOfClass:NSValue.class]) { 124 | [self setLayoutConstantWithValue:secondViewAttribute]; 125 | } else if ([secondViewAttribute isKindOfClass:MAS_VIEW.class]) { 126 | _secondViewAttribute = [[MASViewAttribute alloc] initWithView:secondViewAttribute layoutAttribute:self.firstViewAttribute.layoutAttribute]; 127 | } else if ([secondViewAttribute isKindOfClass:MASViewAttribute.class]) { 128 | _secondViewAttribute = secondViewAttribute; 129 | } else { 130 | NSAssert(NO, @"attempting to add unsupported attribute: %@", secondViewAttribute); 131 | } 132 | } 133 | 134 | #pragma mark - NSLayoutConstraint multiplier proxies 135 | 136 | - (MASConstraint * (^)(CGFloat))multipliedBy { 137 | return ^id(CGFloat multiplier) { 138 | NSAssert(!self.hasBeenInstalled, 139 | @"Cannot modify constraint multiplier after it has been installed"); 140 | 141 | self.layoutMultiplier = multiplier; 142 | return self; 143 | }; 144 | } 145 | 146 | 147 | - (MASConstraint * (^)(CGFloat))dividedBy { 148 | return ^id(CGFloat divider) { 149 | NSAssert(!self.hasBeenInstalled, 150 | @"Cannot modify constraint multiplier after it has been installed"); 151 | 152 | self.layoutMultiplier = 1.0/divider; 153 | return self; 154 | }; 155 | } 156 | 157 | #pragma mark - MASLayoutPriority proxy 158 | 159 | - (MASConstraint * (^)(MASLayoutPriority))priority { 160 | return ^id(MASLayoutPriority priority) { 161 | NSAssert(!self.hasBeenInstalled, 162 | @"Cannot modify constraint priority after it has been installed"); 163 | 164 | self.layoutPriority = priority; 165 | return self; 166 | }; 167 | } 168 | 169 | #pragma mark - NSLayoutRelation proxy 170 | 171 | - (MASConstraint * (^)(id, NSLayoutRelation))equalToWithRelation { 172 | return ^id(id attribute, NSLayoutRelation relation) { 173 | if ([attribute isKindOfClass:NSArray.class]) { 174 | NSAssert(!self.hasLayoutRelation, @"Redefinition of constraint relation"); 175 | NSMutableArray *children = NSMutableArray.new; 176 | for (id attr in attribute) { 177 | MASViewConstraint *viewConstraint = [self copy]; 178 | viewConstraint.layoutRelation = relation; 179 | viewConstraint.secondViewAttribute = attr; 180 | [children addObject:viewConstraint]; 181 | } 182 | MASCompositeConstraint *compositeConstraint = [[MASCompositeConstraint alloc] initWithChildren:children]; 183 | compositeConstraint.delegate = self.delegate; 184 | [self.delegate constraint:self shouldBeReplacedWithConstraint:compositeConstraint]; 185 | return compositeConstraint; 186 | } else { 187 | NSAssert(!self.hasLayoutRelation || self.layoutRelation == relation && [attribute isKindOfClass:NSValue.class], @"Redefinition of constraint relation"); 188 | self.layoutRelation = relation; 189 | self.secondViewAttribute = attribute; 190 | return self; 191 | } 192 | }; 193 | } 194 | 195 | #pragma mark - Semantic properties 196 | 197 | - (MASConstraint *)with { 198 | return self; 199 | } 200 | 201 | - (MASConstraint *)and { 202 | return self; 203 | } 204 | 205 | #pragma mark - attribute chaining 206 | 207 | - (MASConstraint *)addConstraintWithLayoutAttribute:(NSLayoutAttribute)layoutAttribute { 208 | NSAssert(!self.hasLayoutRelation, @"Attributes should be chained before defining the constraint relation"); 209 | 210 | return [self.delegate constraint:self addConstraintWithLayoutAttribute:layoutAttribute]; 211 | } 212 | 213 | #pragma mark - Animator proxy 214 | 215 | #if TARGET_OS_MAC && !(TARGET_OS_IPHONE || TARGET_OS_TV) 216 | 217 | - (MASConstraint *)animator { 218 | self.useAnimator = YES; 219 | return self; 220 | } 221 | 222 | #endif 223 | 224 | #pragma mark - debug helpers 225 | 226 | - (MASConstraint * (^)(id))key { 227 | return ^id(id key) { 228 | self.mas_key = key; 229 | return self; 230 | }; 231 | } 232 | 233 | #pragma mark - NSLayoutConstraint constant setters 234 | 235 | - (void)setInsets:(MASEdgeInsets)insets { 236 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 237 | switch (layoutAttribute) { 238 | case NSLayoutAttributeLeft: 239 | case NSLayoutAttributeLeading: 240 | self.layoutConstant = insets.left; 241 | break; 242 | case NSLayoutAttributeTop: 243 | self.layoutConstant = insets.top; 244 | break; 245 | case NSLayoutAttributeBottom: 246 | self.layoutConstant = -insets.bottom; 247 | break; 248 | case NSLayoutAttributeRight: 249 | case NSLayoutAttributeTrailing: 250 | self.layoutConstant = -insets.right; 251 | break; 252 | default: 253 | break; 254 | } 255 | } 256 | 257 | - (void)setInset:(CGFloat)inset { 258 | [self setInsets:(MASEdgeInsets){.top = inset, .left = inset, .bottom = inset, .right = inset}]; 259 | } 260 | 261 | - (void)setOffset:(CGFloat)offset { 262 | self.layoutConstant = offset; 263 | } 264 | 265 | - (void)setSizeOffset:(CGSize)sizeOffset { 266 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 267 | switch (layoutAttribute) { 268 | case NSLayoutAttributeWidth: 269 | self.layoutConstant = sizeOffset.width; 270 | break; 271 | case NSLayoutAttributeHeight: 272 | self.layoutConstant = sizeOffset.height; 273 | break; 274 | default: 275 | break; 276 | } 277 | } 278 | 279 | - (void)setCenterOffset:(CGPoint)centerOffset { 280 | NSLayoutAttribute layoutAttribute = self.firstViewAttribute.layoutAttribute; 281 | switch (layoutAttribute) { 282 | case NSLayoutAttributeCenterX: 283 | self.layoutConstant = centerOffset.x; 284 | break; 285 | case NSLayoutAttributeCenterY: 286 | self.layoutConstant = centerOffset.y; 287 | break; 288 | default: 289 | break; 290 | } 291 | } 292 | 293 | #pragma mark - MASConstraint 294 | 295 | - (void)activate { 296 | [self install]; 297 | } 298 | 299 | - (void)deactivate { 300 | [self uninstall]; 301 | } 302 | 303 | - (void)install { 304 | if (self.hasBeenInstalled) { 305 | return; 306 | } 307 | 308 | if ([self supportsActiveProperty] && self.layoutConstraint) { 309 | self.layoutConstraint.active = YES; 310 | [self.firstViewAttribute.view.mas_installedConstraints addObject:self]; 311 | return; 312 | } 313 | 314 | MAS_VIEW *firstLayoutItem = self.firstViewAttribute.item; 315 | NSLayoutAttribute firstLayoutAttribute = self.firstViewAttribute.layoutAttribute; 316 | MAS_VIEW *secondLayoutItem = self.secondViewAttribute.item; 317 | NSLayoutAttribute secondLayoutAttribute = self.secondViewAttribute.layoutAttribute; 318 | 319 | // alignment attributes must have a secondViewAttribute 320 | // therefore we assume that is refering to superview 321 | // eg make.left.equalTo(@10) 322 | if (!self.firstViewAttribute.isSizeAttribute && !self.secondViewAttribute) { 323 | secondLayoutItem = self.firstViewAttribute.view.superview; 324 | secondLayoutAttribute = firstLayoutAttribute; 325 | } 326 | 327 | MASLayoutConstraint *layoutConstraint 328 | = [MASLayoutConstraint constraintWithItem:firstLayoutItem 329 | attribute:firstLayoutAttribute 330 | relatedBy:self.layoutRelation 331 | toItem:secondLayoutItem 332 | attribute:secondLayoutAttribute 333 | multiplier:self.layoutMultiplier 334 | constant:self.layoutConstant]; 335 | 336 | layoutConstraint.priority = self.layoutPriority; 337 | layoutConstraint.mas_key = self.mas_key; 338 | 339 | if (self.secondViewAttribute.view) { 340 | MAS_VIEW *closestCommonSuperview = [self.firstViewAttribute.view mas_closestCommonSuperview:self.secondViewAttribute.view]; 341 | NSAssert(closestCommonSuperview, 342 | @"couldn't find a common superview for %@ and %@", 343 | self.firstViewAttribute.view, self.secondViewAttribute.view); 344 | self.installedView = closestCommonSuperview; 345 | } else if (self.firstViewAttribute.isSizeAttribute) { 346 | self.installedView = self.firstViewAttribute.view; 347 | } else { 348 | self.installedView = self.firstViewAttribute.view.superview; 349 | } 350 | 351 | 352 | MASLayoutConstraint *existingConstraint = nil; 353 | if (self.updateExisting) { 354 | existingConstraint = [self layoutConstraintSimilarTo:layoutConstraint]; 355 | } 356 | if (existingConstraint) { 357 | // just update the constant 358 | existingConstraint.constant = layoutConstraint.constant; 359 | self.layoutConstraint = existingConstraint; 360 | } else { 361 | [self.installedView addConstraint:layoutConstraint]; 362 | self.layoutConstraint = layoutConstraint; 363 | [firstLayoutItem.mas_installedConstraints addObject:self]; 364 | } 365 | } 366 | 367 | - (MASLayoutConstraint *)layoutConstraintSimilarTo:(MASLayoutConstraint *)layoutConstraint { 368 | // check if any constraints are the same apart from the only mutable property constant 369 | 370 | // go through constraints in reverse as we do not want to match auto-resizing or interface builder constraints 371 | // and they are likely to be added first. 372 | for (NSLayoutConstraint *existingConstraint in self.installedView.constraints.reverseObjectEnumerator) { 373 | if (![existingConstraint isKindOfClass:MASLayoutConstraint.class]) continue; 374 | if (existingConstraint.firstItem != layoutConstraint.firstItem) continue; 375 | if (existingConstraint.secondItem != layoutConstraint.secondItem) continue; 376 | if (existingConstraint.firstAttribute != layoutConstraint.firstAttribute) continue; 377 | if (existingConstraint.secondAttribute != layoutConstraint.secondAttribute) continue; 378 | if (existingConstraint.relation != layoutConstraint.relation) continue; 379 | if (existingConstraint.multiplier != layoutConstraint.multiplier) continue; 380 | if (existingConstraint.priority != layoutConstraint.priority) continue; 381 | 382 | return (id)existingConstraint; 383 | } 384 | return nil; 385 | } 386 | 387 | - (void)uninstall { 388 | if ([self supportsActiveProperty]) { 389 | self.layoutConstraint.active = NO; 390 | [self.firstViewAttribute.view.mas_installedConstraints removeObject:self]; 391 | return; 392 | } 393 | 394 | [self.installedView removeConstraint:self.layoutConstraint]; 395 | self.layoutConstraint = nil; 396 | self.installedView = nil; 397 | 398 | [self.firstViewAttribute.view.mas_installedConstraints removeObject:self]; 399 | } 400 | 401 | @end 402 | -------------------------------------------------------------------------------- /Masonry/Masonry/Masonry.h: -------------------------------------------------------------------------------- 1 | // 2 | // Masonry.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for Masonry. 12 | FOUNDATION_EXPORT double MasonryVersionNumber; 13 | 14 | //! Project version string for Masonry. 15 | FOUNDATION_EXPORT const unsigned char MasonryVersionString[]; 16 | 17 | #import "MASUtilities.h" 18 | #import "View+MASAdditions.h" 19 | #import "View+MASShorthandAdditions.h" 20 | #import "ViewController+MASAdditions.h" 21 | #import "NSArray+MASAdditions.h" 22 | #import "NSArray+MASShorthandAdditions.h" 23 | #import "MASConstraint.h" 24 | #import "MASCompositeConstraint.h" 25 | #import "MASViewAttribute.h" 26 | #import "MASViewConstraint.h" 27 | #import "MASConstraintMaker.h" 28 | #import "MASLayoutConstraint.h" 29 | #import "NSLayoutConstraint+MASDebugAdditions.h" 30 | -------------------------------------------------------------------------------- /Masonry/Masonry/NSArray+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASAdditions.h 3 | // 4 | // 5 | // Created by Daniel Hammond on 11/26/13. 6 | // 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | typedef NS_ENUM(NSUInteger, MASAxisType) { 14 | MASAxisTypeHorizontal, 15 | MASAxisTypeVertical 16 | }; 17 | 18 | @interface NSArray (MASAdditions) 19 | 20 | /** 21 | * Creates a MASConstraintMaker with each view in the callee. 22 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing on each view 23 | * 24 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 25 | * 26 | * @return Array of created MASConstraints 27 | */ 28 | - (NSArray *)mas_makeConstraints:(void (NS_NOESCAPE ^)(MASConstraintMaker *make))block; 29 | 30 | /** 31 | * Creates a MASConstraintMaker with each view in the callee. 32 | * Any constraints defined are added to each view or the appropriate superview once the block has finished executing on each view. 33 | * If an existing constraint exists then it will be updated instead. 34 | * 35 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 36 | * 37 | * @return Array of created/updated MASConstraints 38 | */ 39 | - (NSArray *)mas_updateConstraints:(void (NS_NOESCAPE ^)(MASConstraintMaker *make))block; 40 | 41 | /** 42 | * Creates a MASConstraintMaker with each view in the callee. 43 | * Any constraints defined are added to each view or the appropriate superview once the block has finished executing on each view. 44 | * All constraints previously installed for the views will be removed. 45 | * 46 | * @param block scope within which you can build up the constraints which you wish to apply to each view. 47 | * 48 | * @return Array of created/updated MASConstraints 49 | */ 50 | - (NSArray *)mas_remakeConstraints:(void (NS_NOESCAPE ^)(MASConstraintMaker *make))block; 51 | 52 | /** 53 | * distribute with fixed spacing 54 | * 55 | * @param axisType which axis to distribute items along 56 | * @param fixedSpacing the spacing between each item 57 | * @param leadSpacing the spacing before the first item and the container 58 | * @param tailSpacing the spacing after the last item and the container 59 | */ 60 | - (void)mas_distributeViewsAlongAxis:(MASAxisType)axisType withFixedSpacing:(CGFloat)fixedSpacing leadSpacing:(CGFloat)leadSpacing tailSpacing:(CGFloat)tailSpacing; 61 | 62 | /** 63 | * distribute with fixed item size 64 | * 65 | * @param axisType which axis to distribute items along 66 | * @param fixedItemLength the fixed length of each item 67 | * @param leadSpacing the spacing before the first item and the container 68 | * @param tailSpacing the spacing after the last item and the container 69 | */ 70 | - (void)mas_distributeViewsAlongAxis:(MASAxisType)axisType withFixedItemLength:(CGFloat)fixedItemLength leadSpacing:(CGFloat)leadSpacing tailSpacing:(CGFloat)tailSpacing; 71 | 72 | @end 73 | -------------------------------------------------------------------------------- /Masonry/Masonry/NSArray+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASAdditions.m 3 | // 4 | // 5 | // Created by Daniel Hammond on 11/26/13. 6 | // 7 | // 8 | 9 | #import "NSArray+MASAdditions.h" 10 | #import "View+MASAdditions.h" 11 | 12 | @implementation NSArray (MASAdditions) 13 | 14 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *make))block { 15 | NSMutableArray *constraints = [NSMutableArray array]; 16 | for (MAS_VIEW *view in self) { 17 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 18 | [constraints addObjectsFromArray:[view mas_makeConstraints:block]]; 19 | } 20 | return constraints; 21 | } 22 | 23 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *make))block { 24 | NSMutableArray *constraints = [NSMutableArray array]; 25 | for (MAS_VIEW *view in self) { 26 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 27 | [constraints addObjectsFromArray:[view mas_updateConstraints:block]]; 28 | } 29 | return constraints; 30 | } 31 | 32 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block { 33 | NSMutableArray *constraints = [NSMutableArray array]; 34 | for (MAS_VIEW *view in self) { 35 | NSAssert([view isKindOfClass:[MAS_VIEW class]], @"All objects in the array must be views"); 36 | [constraints addObjectsFromArray:[view mas_remakeConstraints:block]]; 37 | } 38 | return constraints; 39 | } 40 | 41 | - (void)mas_distributeViewsAlongAxis:(MASAxisType)axisType withFixedSpacing:(CGFloat)fixedSpacing leadSpacing:(CGFloat)leadSpacing tailSpacing:(CGFloat)tailSpacing { 42 | if (self.count < 2) { 43 | NSAssert(self.count>1,@"views to distribute need to bigger than one"); 44 | return; 45 | } 46 | 47 | MAS_VIEW *tempSuperView = [self mas_commonSuperviewOfViews]; 48 | if (axisType == MASAxisTypeHorizontal) { 49 | MAS_VIEW *prev; 50 | for (int i = 0; i < self.count; i++) { 51 | MAS_VIEW *v = self[i]; 52 | [v mas_makeConstraints:^(MASConstraintMaker *make) { 53 | if (prev) { 54 | make.width.equalTo(prev); 55 | make.left.equalTo(prev.mas_right).offset(fixedSpacing); 56 | if (i == self.count - 1) {//last one 57 | make.right.equalTo(tempSuperView).offset(-tailSpacing); 58 | } 59 | } 60 | else {//first one 61 | make.left.equalTo(tempSuperView).offset(leadSpacing); 62 | } 63 | 64 | }]; 65 | prev = v; 66 | } 67 | } 68 | else { 69 | MAS_VIEW *prev; 70 | for (int i = 0; i < self.count; i++) { 71 | MAS_VIEW *v = self[i]; 72 | [v mas_makeConstraints:^(MASConstraintMaker *make) { 73 | if (prev) { 74 | make.height.equalTo(prev); 75 | make.top.equalTo(prev.mas_bottom).offset(fixedSpacing); 76 | if (i == self.count - 1) {//last one 77 | make.bottom.equalTo(tempSuperView).offset(-tailSpacing); 78 | } 79 | } 80 | else {//first one 81 | make.top.equalTo(tempSuperView).offset(leadSpacing); 82 | } 83 | 84 | }]; 85 | prev = v; 86 | } 87 | } 88 | } 89 | 90 | - (void)mas_distributeViewsAlongAxis:(MASAxisType)axisType withFixedItemLength:(CGFloat)fixedItemLength leadSpacing:(CGFloat)leadSpacing tailSpacing:(CGFloat)tailSpacing { 91 | if (self.count < 2) { 92 | NSAssert(self.count>1,@"views to distribute need to bigger than one"); 93 | return; 94 | } 95 | 96 | MAS_VIEW *tempSuperView = [self mas_commonSuperviewOfViews]; 97 | if (axisType == MASAxisTypeHorizontal) { 98 | MAS_VIEW *prev; 99 | for (int i = 0; i < self.count; i++) { 100 | MAS_VIEW *v = self[i]; 101 | [v mas_makeConstraints:^(MASConstraintMaker *make) { 102 | make.width.equalTo(@(fixedItemLength)); 103 | if (prev) { 104 | if (i == self.count - 1) {//last one 105 | make.right.equalTo(tempSuperView).offset(-tailSpacing); 106 | } 107 | else { 108 | CGFloat offset = (1-(i/((CGFloat)self.count-1)))*(fixedItemLength+leadSpacing)-i*tailSpacing/(((CGFloat)self.count-1)); 109 | make.right.equalTo(tempSuperView).multipliedBy(i/((CGFloat)self.count-1)).with.offset(offset); 110 | } 111 | } 112 | else {//first one 113 | make.left.equalTo(tempSuperView).offset(leadSpacing); 114 | } 115 | }]; 116 | prev = v; 117 | } 118 | } 119 | else { 120 | MAS_VIEW *prev; 121 | for (int i = 0; i < self.count; i++) { 122 | MAS_VIEW *v = self[i]; 123 | [v mas_makeConstraints:^(MASConstraintMaker *make) { 124 | make.height.equalTo(@(fixedItemLength)); 125 | if (prev) { 126 | if (i == self.count - 1) {//last one 127 | make.bottom.equalTo(tempSuperView).offset(-tailSpacing); 128 | } 129 | else { 130 | CGFloat offset = (1-(i/((CGFloat)self.count-1)))*(fixedItemLength+leadSpacing)-i*tailSpacing/(((CGFloat)self.count-1)); 131 | make.bottom.equalTo(tempSuperView).multipliedBy(i/((CGFloat)self.count-1)).with.offset(offset); 132 | } 133 | } 134 | else {//first one 135 | make.top.equalTo(tempSuperView).offset(leadSpacing); 136 | } 137 | }]; 138 | prev = v; 139 | } 140 | } 141 | } 142 | 143 | - (MAS_VIEW *)mas_commonSuperviewOfViews 144 | { 145 | MAS_VIEW *commonSuperview = nil; 146 | MAS_VIEW *previousView = nil; 147 | for (id object in self) { 148 | if ([object isKindOfClass:[MAS_VIEW class]]) { 149 | MAS_VIEW *view = (MAS_VIEW *)object; 150 | if (previousView) { 151 | commonSuperview = [view mas_closestCommonSuperview:commonSuperview]; 152 | } else { 153 | commonSuperview = view; 154 | } 155 | previousView = view; 156 | } 157 | } 158 | NSAssert(commonSuperview, @"Can't constrain views that do not share a common superview. Make sure that all the views in this array have been added into the same view hierarchy."); 159 | return commonSuperview; 160 | } 161 | 162 | @end 163 | -------------------------------------------------------------------------------- /Masonry/Masonry/NSArray+MASShorthandAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSArray+MASShorthandAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "NSArray+MASAdditions.h" 10 | 11 | #ifdef MAS_SHORTHAND 12 | 13 | /** 14 | * Shorthand array additions without the 'mas_' prefixes, 15 | * only enabled if MAS_SHORTHAND is defined 16 | */ 17 | @interface NSArray (MASShorthandAdditions) 18 | 19 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *make))block; 20 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *make))block; 21 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *make))block; 22 | 23 | @end 24 | 25 | @implementation NSArray (MASShorthandAdditions) 26 | 27 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *))block { 28 | return [self mas_makeConstraints:block]; 29 | } 30 | 31 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *))block { 32 | return [self mas_updateConstraints:block]; 33 | } 34 | 35 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *))block { 36 | return [self mas_remakeConstraints:block]; 37 | } 38 | 39 | @end 40 | 41 | #endif 42 | -------------------------------------------------------------------------------- /Masonry/Masonry/NSLayoutConstraint+MASDebugAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // NSLayoutConstraint+MASDebugAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | 11 | /** 12 | * makes debug and log output of NSLayoutConstraints more readable 13 | */ 14 | @interface NSLayoutConstraint (MASDebugAdditions) 15 | 16 | @end 17 | -------------------------------------------------------------------------------- /Masonry/Masonry/NSLayoutConstraint+MASDebugAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // NSLayoutConstraint+MASDebugAdditions.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 3/08/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "NSLayoutConstraint+MASDebugAdditions.h" 10 | #import "MASConstraint.h" 11 | #import "MASLayoutConstraint.h" 12 | 13 | @implementation NSLayoutConstraint (MASDebugAdditions) 14 | 15 | #pragma mark - description maps 16 | 17 | + (NSDictionary *)layoutRelationDescriptionsByValue { 18 | static dispatch_once_t once; 19 | static NSDictionary *descriptionMap; 20 | dispatch_once(&once, ^{ 21 | descriptionMap = @{ 22 | @(NSLayoutRelationEqual) : @"==", 23 | @(NSLayoutRelationGreaterThanOrEqual) : @">=", 24 | @(NSLayoutRelationLessThanOrEqual) : @"<=", 25 | }; 26 | }); 27 | return descriptionMap; 28 | } 29 | 30 | + (NSDictionary *)layoutAttributeDescriptionsByValue { 31 | static dispatch_once_t once; 32 | static NSDictionary *descriptionMap; 33 | dispatch_once(&once, ^{ 34 | descriptionMap = @{ 35 | @(NSLayoutAttributeTop) : @"top", 36 | @(NSLayoutAttributeLeft) : @"left", 37 | @(NSLayoutAttributeBottom) : @"bottom", 38 | @(NSLayoutAttributeRight) : @"right", 39 | @(NSLayoutAttributeLeading) : @"leading", 40 | @(NSLayoutAttributeTrailing) : @"trailing", 41 | @(NSLayoutAttributeWidth) : @"width", 42 | @(NSLayoutAttributeHeight) : @"height", 43 | @(NSLayoutAttributeCenterX) : @"centerX", 44 | @(NSLayoutAttributeCenterY) : @"centerY", 45 | @(NSLayoutAttributeBaseline) : @"baseline", 46 | 47 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 48 | @(NSLayoutAttributeFirstBaseline) : @"firstBaseline", 49 | @(NSLayoutAttributeLastBaseline) : @"lastBaseline", 50 | #endif 51 | 52 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 53 | @(NSLayoutAttributeLeftMargin) : @"leftMargin", 54 | @(NSLayoutAttributeRightMargin) : @"rightMargin", 55 | @(NSLayoutAttributeTopMargin) : @"topMargin", 56 | @(NSLayoutAttributeBottomMargin) : @"bottomMargin", 57 | @(NSLayoutAttributeLeadingMargin) : @"leadingMargin", 58 | @(NSLayoutAttributeTrailingMargin) : @"trailingMargin", 59 | @(NSLayoutAttributeCenterXWithinMargins) : @"centerXWithinMargins", 60 | @(NSLayoutAttributeCenterYWithinMargins) : @"centerYWithinMargins", 61 | #endif 62 | 63 | }; 64 | 65 | }); 66 | return descriptionMap; 67 | } 68 | 69 | 70 | + (NSDictionary *)layoutPriorityDescriptionsByValue { 71 | static dispatch_once_t once; 72 | static NSDictionary *descriptionMap; 73 | dispatch_once(&once, ^{ 74 | #if TARGET_OS_IPHONE || TARGET_OS_TV 75 | descriptionMap = @{ 76 | @(MASLayoutPriorityDefaultHigh) : @"high", 77 | @(MASLayoutPriorityDefaultLow) : @"low", 78 | @(MASLayoutPriorityDefaultMedium) : @"medium", 79 | @(MASLayoutPriorityRequired) : @"required", 80 | @(MASLayoutPriorityFittingSizeLevel) : @"fitting size", 81 | }; 82 | #elif TARGET_OS_MAC 83 | descriptionMap = @{ 84 | @(MASLayoutPriorityDefaultHigh) : @"high", 85 | @(MASLayoutPriorityDragThatCanResizeWindow) : @"drag can resize window", 86 | @(MASLayoutPriorityDefaultMedium) : @"medium", 87 | @(MASLayoutPriorityWindowSizeStayPut) : @"window size stay put", 88 | @(MASLayoutPriorityDragThatCannotResizeWindow) : @"drag cannot resize window", 89 | @(MASLayoutPriorityDefaultLow) : @"low", 90 | @(MASLayoutPriorityFittingSizeCompression) : @"fitting size", 91 | @(MASLayoutPriorityRequired) : @"required", 92 | }; 93 | #endif 94 | }); 95 | return descriptionMap; 96 | } 97 | 98 | #pragma mark - description override 99 | 100 | + (NSString *)descriptionForObject:(id)obj { 101 | if ([obj respondsToSelector:@selector(mas_key)] && [obj mas_key]) { 102 | return [NSString stringWithFormat:@"%@:%@", [obj class], [obj mas_key]]; 103 | } 104 | return [NSString stringWithFormat:@"%@:%p", [obj class], obj]; 105 | } 106 | 107 | - (NSString *)description { 108 | NSMutableString *description = [[NSMutableString alloc] initWithString:@"<"]; 109 | 110 | [description appendString:[self.class descriptionForObject:self]]; 111 | 112 | [description appendFormat:@" %@", [self.class descriptionForObject:self.firstItem]]; 113 | if (self.firstAttribute != NSLayoutAttributeNotAnAttribute) { 114 | [description appendFormat:@".%@", self.class.layoutAttributeDescriptionsByValue[@(self.firstAttribute)]]; 115 | } 116 | 117 | [description appendFormat:@" %@", self.class.layoutRelationDescriptionsByValue[@(self.relation)]]; 118 | 119 | if (self.secondItem) { 120 | [description appendFormat:@" %@", [self.class descriptionForObject:self.secondItem]]; 121 | } 122 | if (self.secondAttribute != NSLayoutAttributeNotAnAttribute) { 123 | [description appendFormat:@".%@", self.class.layoutAttributeDescriptionsByValue[@(self.secondAttribute)]]; 124 | } 125 | 126 | if (self.multiplier != 1) { 127 | [description appendFormat:@" * %g", self.multiplier]; 128 | } 129 | 130 | if (self.secondAttribute == NSLayoutAttributeNotAnAttribute) { 131 | [description appendFormat:@" %g", self.constant]; 132 | } else { 133 | if (self.constant) { 134 | [description appendFormat:@" %@ %g", (self.constant < 0 ? @"-" : @"+"), ABS(self.constant)]; 135 | } 136 | } 137 | 138 | if (self.priority != MASLayoutPriorityRequired) { 139 | [description appendFormat:@" ^%@", self.class.layoutPriorityDescriptionsByValue[@(self.priority)] ?: [NSNumber numberWithDouble:self.priority]]; 140 | } 141 | 142 | [description appendString:@">"]; 143 | return description; 144 | } 145 | 146 | @end 147 | -------------------------------------------------------------------------------- /Masonry/Masonry/View+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | /** 14 | * Provides constraint maker block 15 | * and convience methods for creating MASViewAttribute which are view + NSLayoutAttribute pairs 16 | */ 17 | @interface MAS_VIEW (MASAdditions) 18 | 19 | /** 20 | * following properties return a new MASViewAttribute with current view and appropriate NSLayoutAttribute 21 | */ 22 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_left; 23 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_top; 24 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_right; 25 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottom; 26 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leading; 27 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_trailing; 28 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_width; 29 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_height; 30 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerX; 31 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerY; 32 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_baseline; 33 | @property (nonatomic, strong, readonly) MASViewAttribute *(^mas_attribute)(NSLayoutAttribute attr); 34 | 35 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 36 | 37 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_firstBaseline; 38 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_lastBaseline; 39 | 40 | #endif 41 | 42 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 43 | 44 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leftMargin; 45 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_rightMargin; 46 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topMargin; 47 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomMargin; 48 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_leadingMargin; 49 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_trailingMargin; 50 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerXWithinMargins; 51 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_centerYWithinMargins; 52 | 53 | #endif 54 | 55 | #if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 110000) || (__TV_OS_VERSION_MAX_ALLOWED >= 110000) 56 | 57 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuide API_AVAILABLE(ios(11.0),tvos(11.0)); 58 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideTop API_AVAILABLE(ios(11.0),tvos(11.0)); 59 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideBottom API_AVAILABLE(ios(11.0),tvos(11.0)); 60 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideLeft API_AVAILABLE(ios(11.0),tvos(11.0)); 61 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideRight API_AVAILABLE(ios(11.0),tvos(11.0)); 62 | 63 | #endif 64 | 65 | /** 66 | * a key to associate with this view 67 | */ 68 | @property (nonatomic, strong) id mas_key; 69 | 70 | /** 71 | * Finds the closest common superview between this view and another view 72 | * 73 | * @param view other view 74 | * 75 | * @return returns nil if common superview could not be found 76 | */ 77 | - (instancetype)mas_closestCommonSuperview:(MAS_VIEW *)view; 78 | 79 | /** 80 | * Creates a MASConstraintMaker with the callee view. 81 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing 82 | * 83 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 84 | * 85 | * @return Array of created MASConstraints 86 | */ 87 | - (NSArray *)mas_makeConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *make))block; 88 | 89 | /** 90 | * Creates a MASConstraintMaker with the callee view. 91 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing. 92 | * If an existing constraint exists then it will be updated instead. 93 | * 94 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 95 | * 96 | * @return Array of created/updated MASConstraints 97 | */ 98 | - (NSArray *)mas_updateConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *make))block; 99 | 100 | /** 101 | * Creates a MASConstraintMaker with the callee view. 102 | * Any constraints defined are added to the view or the appropriate superview once the block has finished executing. 103 | * All constraints previously installed for the view will be removed. 104 | * 105 | * @param block scope within which you can build up the constraints which you wish to apply to the view. 106 | * 107 | * @return Array of created/updated MASConstraints 108 | */ 109 | - (NSArray *)mas_remakeConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *make))block; 110 | 111 | @end 112 | -------------------------------------------------------------------------------- /Masonry/Masonry/View+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASAdditions.m 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 20/07/13. 6 | // Copyright (c) 2013 cloudling. All rights reserved. 7 | // 8 | 9 | #import "View+MASAdditions.h" 10 | #import 11 | 12 | @implementation MAS_VIEW (MASAdditions) 13 | 14 | - (NSArray *)mas_makeConstraints:(void(^)(MASConstraintMaker *))block { 15 | self.translatesAutoresizingMaskIntoConstraints = NO; 16 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 17 | block(constraintMaker); 18 | return [constraintMaker install]; 19 | } 20 | 21 | - (NSArray *)mas_updateConstraints:(void(^)(MASConstraintMaker *))block { 22 | self.translatesAutoresizingMaskIntoConstraints = NO; 23 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 24 | constraintMaker.updateExisting = YES; 25 | block(constraintMaker); 26 | return [constraintMaker install]; 27 | } 28 | 29 | - (NSArray *)mas_remakeConstraints:(void(^)(MASConstraintMaker *make))block { 30 | self.translatesAutoresizingMaskIntoConstraints = NO; 31 | MASConstraintMaker *constraintMaker = [[MASConstraintMaker alloc] initWithView:self]; 32 | constraintMaker.removeExisting = YES; 33 | block(constraintMaker); 34 | return [constraintMaker install]; 35 | } 36 | 37 | #pragma mark - NSLayoutAttribute properties 38 | 39 | - (MASViewAttribute *)mas_left { 40 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeft]; 41 | } 42 | 43 | - (MASViewAttribute *)mas_top { 44 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTop]; 45 | } 46 | 47 | - (MASViewAttribute *)mas_right { 48 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeRight]; 49 | } 50 | 51 | - (MASViewAttribute *)mas_bottom { 52 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBottom]; 53 | } 54 | 55 | - (MASViewAttribute *)mas_leading { 56 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeading]; 57 | } 58 | 59 | - (MASViewAttribute *)mas_trailing { 60 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTrailing]; 61 | } 62 | 63 | - (MASViewAttribute *)mas_width { 64 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeWidth]; 65 | } 66 | 67 | - (MASViewAttribute *)mas_height { 68 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeHeight]; 69 | } 70 | 71 | - (MASViewAttribute *)mas_centerX { 72 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterX]; 73 | } 74 | 75 | - (MASViewAttribute *)mas_centerY { 76 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterY]; 77 | } 78 | 79 | - (MASViewAttribute *)mas_baseline { 80 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBaseline]; 81 | } 82 | 83 | - (MASViewAttribute *(^)(NSLayoutAttribute))mas_attribute 84 | { 85 | return ^(NSLayoutAttribute attr) { 86 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:attr]; 87 | }; 88 | } 89 | 90 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 91 | 92 | - (MASViewAttribute *)mas_firstBaseline { 93 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeFirstBaseline]; 94 | } 95 | - (MASViewAttribute *)mas_lastBaseline { 96 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLastBaseline]; 97 | } 98 | 99 | #endif 100 | 101 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 102 | 103 | - (MASViewAttribute *)mas_leftMargin { 104 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeftMargin]; 105 | } 106 | 107 | - (MASViewAttribute *)mas_rightMargin { 108 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeRightMargin]; 109 | } 110 | 111 | - (MASViewAttribute *)mas_topMargin { 112 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTopMargin]; 113 | } 114 | 115 | - (MASViewAttribute *)mas_bottomMargin { 116 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeBottomMargin]; 117 | } 118 | 119 | - (MASViewAttribute *)mas_leadingMargin { 120 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeLeadingMargin]; 121 | } 122 | 123 | - (MASViewAttribute *)mas_trailingMargin { 124 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeTrailingMargin]; 125 | } 126 | 127 | - (MASViewAttribute *)mas_centerXWithinMargins { 128 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterXWithinMargins]; 129 | } 130 | 131 | - (MASViewAttribute *)mas_centerYWithinMargins { 132 | return [[MASViewAttribute alloc] initWithView:self layoutAttribute:NSLayoutAttributeCenterYWithinMargins]; 133 | } 134 | 135 | #endif 136 | 137 | #if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 110000) || (__TV_OS_VERSION_MAX_ALLOWED >= 110000) 138 | 139 | - (MASViewAttribute *)mas_safeAreaLayoutGuide { 140 | return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 141 | } 142 | - (MASViewAttribute *)mas_safeAreaLayoutGuideTop { 143 | return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeTop]; 144 | } 145 | - (MASViewAttribute *)mas_safeAreaLayoutGuideBottom { 146 | return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 147 | } 148 | - (MASViewAttribute *)mas_safeAreaLayoutGuideLeft { 149 | return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeLeft]; 150 | } 151 | - (MASViewAttribute *)mas_safeAreaLayoutGuideRight { 152 | return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeRight]; 153 | } 154 | 155 | #endif 156 | 157 | #pragma mark - associated properties 158 | 159 | - (id)mas_key { 160 | return objc_getAssociatedObject(self, @selector(mas_key)); 161 | } 162 | 163 | - (void)setMas_key:(id)key { 164 | objc_setAssociatedObject(self, @selector(mas_key), key, OBJC_ASSOCIATION_RETAIN_NONATOMIC); 165 | } 166 | 167 | #pragma mark - heirachy 168 | 169 | - (instancetype)mas_closestCommonSuperview:(MAS_VIEW *)view { 170 | MAS_VIEW *closestCommonSuperview = nil; 171 | 172 | MAS_VIEW *secondViewSuperview = view; 173 | while (!closestCommonSuperview && secondViewSuperview) { 174 | MAS_VIEW *firstViewSuperview = self; 175 | while (!closestCommonSuperview && firstViewSuperview) { 176 | if (secondViewSuperview == firstViewSuperview) { 177 | closestCommonSuperview = secondViewSuperview; 178 | } 179 | firstViewSuperview = firstViewSuperview.superview; 180 | } 181 | secondViewSuperview = secondViewSuperview.superview; 182 | } 183 | return closestCommonSuperview; 184 | } 185 | 186 | @end 187 | -------------------------------------------------------------------------------- /Masonry/Masonry/View+MASShorthandAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIView+MASShorthandAdditions.h 3 | // Masonry 4 | // 5 | // Created by Jonas Budelmann on 22/07/13. 6 | // Copyright (c) 2013 Jonas Budelmann. All rights reserved. 7 | // 8 | 9 | #import "View+MASAdditions.h" 10 | 11 | #ifdef MAS_SHORTHAND 12 | 13 | /** 14 | * Shorthand view additions without the 'mas_' prefixes, 15 | * only enabled if MAS_SHORTHAND is defined 16 | */ 17 | @interface MAS_VIEW (MASShorthandAdditions) 18 | 19 | @property (nonatomic, strong, readonly) MASViewAttribute *left; 20 | @property (nonatomic, strong, readonly) MASViewAttribute *top; 21 | @property (nonatomic, strong, readonly) MASViewAttribute *right; 22 | @property (nonatomic, strong, readonly) MASViewAttribute *bottom; 23 | @property (nonatomic, strong, readonly) MASViewAttribute *leading; 24 | @property (nonatomic, strong, readonly) MASViewAttribute *trailing; 25 | @property (nonatomic, strong, readonly) MASViewAttribute *width; 26 | @property (nonatomic, strong, readonly) MASViewAttribute *height; 27 | @property (nonatomic, strong, readonly) MASViewAttribute *centerX; 28 | @property (nonatomic, strong, readonly) MASViewAttribute *centerY; 29 | @property (nonatomic, strong, readonly) MASViewAttribute *baseline; 30 | @property (nonatomic, strong, readonly) MASViewAttribute *(^attribute)(NSLayoutAttribute attr); 31 | 32 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 33 | 34 | @property (nonatomic, strong, readonly) MASViewAttribute *firstBaseline; 35 | @property (nonatomic, strong, readonly) MASViewAttribute *lastBaseline; 36 | 37 | #endif 38 | 39 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 40 | 41 | @property (nonatomic, strong, readonly) MASViewAttribute *leftMargin; 42 | @property (nonatomic, strong, readonly) MASViewAttribute *rightMargin; 43 | @property (nonatomic, strong, readonly) MASViewAttribute *topMargin; 44 | @property (nonatomic, strong, readonly) MASViewAttribute *bottomMargin; 45 | @property (nonatomic, strong, readonly) MASViewAttribute *leadingMargin; 46 | @property (nonatomic, strong, readonly) MASViewAttribute *trailingMargin; 47 | @property (nonatomic, strong, readonly) MASViewAttribute *centerXWithinMargins; 48 | @property (nonatomic, strong, readonly) MASViewAttribute *centerYWithinMargins; 49 | 50 | #endif 51 | 52 | #if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 110000) || (__TV_OS_VERSION_MAX_ALLOWED >= 110000) 53 | 54 | @property (nonatomic, strong, readonly) MASViewAttribute *safeAreaLayoutGuideTop API_AVAILABLE(ios(11.0),tvos(11.0)); 55 | @property (nonatomic, strong, readonly) MASViewAttribute *safeAreaLayoutGuideBottom API_AVAILABLE(ios(11.0),tvos(11.0)); 56 | @property (nonatomic, strong, readonly) MASViewAttribute *safeAreaLayoutGuideLeft API_AVAILABLE(ios(11.0),tvos(11.0)); 57 | @property (nonatomic, strong, readonly) MASViewAttribute *safeAreaLayoutGuideRight API_AVAILABLE(ios(11.0),tvos(11.0)); 58 | 59 | #endif 60 | 61 | - (NSArray *)makeConstraints:(void(^)(MASConstraintMaker *make))block; 62 | - (NSArray *)updateConstraints:(void(^)(MASConstraintMaker *make))block; 63 | - (NSArray *)remakeConstraints:(void(^)(MASConstraintMaker *make))block; 64 | 65 | @end 66 | 67 | #define MAS_ATTR_FORWARD(attr) \ 68 | - (MASViewAttribute *)attr { \ 69 | return [self mas_##attr]; \ 70 | } 71 | 72 | @implementation MAS_VIEW (MASShorthandAdditions) 73 | 74 | MAS_ATTR_FORWARD(top); 75 | MAS_ATTR_FORWARD(left); 76 | MAS_ATTR_FORWARD(bottom); 77 | MAS_ATTR_FORWARD(right); 78 | MAS_ATTR_FORWARD(leading); 79 | MAS_ATTR_FORWARD(trailing); 80 | MAS_ATTR_FORWARD(width); 81 | MAS_ATTR_FORWARD(height); 82 | MAS_ATTR_FORWARD(centerX); 83 | MAS_ATTR_FORWARD(centerY); 84 | MAS_ATTR_FORWARD(baseline); 85 | 86 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) || (__MAC_OS_X_VERSION_MIN_REQUIRED >= 101100) 87 | 88 | MAS_ATTR_FORWARD(firstBaseline); 89 | MAS_ATTR_FORWARD(lastBaseline); 90 | 91 | #endif 92 | 93 | #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 80000) || (__TV_OS_VERSION_MIN_REQUIRED >= 9000) 94 | 95 | MAS_ATTR_FORWARD(leftMargin); 96 | MAS_ATTR_FORWARD(rightMargin); 97 | MAS_ATTR_FORWARD(topMargin); 98 | MAS_ATTR_FORWARD(bottomMargin); 99 | MAS_ATTR_FORWARD(leadingMargin); 100 | MAS_ATTR_FORWARD(trailingMargin); 101 | MAS_ATTR_FORWARD(centerXWithinMargins); 102 | MAS_ATTR_FORWARD(centerYWithinMargins); 103 | 104 | #endif 105 | 106 | #if (__IPHONE_OS_VERSION_MAX_ALLOWED >= 110000) || (__TV_OS_VERSION_MAX_ALLOWED >= 110000) 107 | 108 | MAS_ATTR_FORWARD(safeAreaLayoutGuideTop); 109 | MAS_ATTR_FORWARD(safeAreaLayoutGuideBottom); 110 | MAS_ATTR_FORWARD(safeAreaLayoutGuideLeft); 111 | MAS_ATTR_FORWARD(safeAreaLayoutGuideRight); 112 | 113 | #endif 114 | 115 | - (MASViewAttribute *(^)(NSLayoutAttribute))attribute { 116 | return [self mas_attribute]; 117 | } 118 | 119 | - (NSArray *)makeConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *))block { 120 | return [self mas_makeConstraints:block]; 121 | } 122 | 123 | - (NSArray *)updateConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *))block { 124 | return [self mas_updateConstraints:block]; 125 | } 126 | 127 | - (NSArray *)remakeConstraints:(void(NS_NOESCAPE ^)(MASConstraintMaker *))block { 128 | return [self mas_remakeConstraints:block]; 129 | } 130 | 131 | @end 132 | 133 | #endif 134 | -------------------------------------------------------------------------------- /Masonry/Masonry/ViewController+MASAdditions.h: -------------------------------------------------------------------------------- 1 | // 2 | // UIViewController+MASAdditions.h 3 | // Masonry 4 | // 5 | // Created by Craig Siemens on 2015-06-23. 6 | // 7 | // 8 | 9 | #import "MASUtilities.h" 10 | #import "MASConstraintMaker.h" 11 | #import "MASViewAttribute.h" 12 | 13 | #ifdef MAS_VIEW_CONTROLLER 14 | 15 | @interface MAS_VIEW_CONTROLLER (MASAdditions) 16 | 17 | /** 18 | * following properties return a new MASViewAttribute with appropriate UILayoutGuide and NSLayoutAttribute 19 | */ 20 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topLayoutGuide; 21 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomLayoutGuide; 22 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topLayoutGuideTop; 23 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_topLayoutGuideBottom; 24 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomLayoutGuideTop; 25 | @property (nonatomic, strong, readonly) MASViewAttribute *mas_bottomLayoutGuideBottom; 26 | 27 | 28 | @end 29 | 30 | #endif 31 | -------------------------------------------------------------------------------- /Masonry/Masonry/ViewController+MASAdditions.m: -------------------------------------------------------------------------------- 1 | // 2 | // UIViewController+MASAdditions.m 3 | // Masonry 4 | // 5 | // Created by Craig Siemens on 2015-06-23. 6 | // 7 | // 8 | 9 | #import "ViewController+MASAdditions.h" 10 | 11 | #ifdef MAS_VIEW_CONTROLLER 12 | 13 | @implementation MAS_VIEW_CONTROLLER (MASAdditions) 14 | 15 | - (MASViewAttribute *)mas_topLayoutGuide { 16 | return [[MASViewAttribute alloc] initWithView:self.view item:self.topLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 17 | } 18 | - (MASViewAttribute *)mas_topLayoutGuideTop { 19 | return [[MASViewAttribute alloc] initWithView:self.view item:self.topLayoutGuide layoutAttribute:NSLayoutAttributeTop]; 20 | } 21 | - (MASViewAttribute *)mas_topLayoutGuideBottom { 22 | return [[MASViewAttribute alloc] initWithView:self.view item:self.topLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 23 | } 24 | 25 | - (MASViewAttribute *)mas_bottomLayoutGuide { 26 | return [[MASViewAttribute alloc] initWithView:self.view item:self.bottomLayoutGuide layoutAttribute:NSLayoutAttributeTop]; 27 | } 28 | - (MASViewAttribute *)mas_bottomLayoutGuideTop { 29 | return [[MASViewAttribute alloc] initWithView:self.view item:self.bottomLayoutGuide layoutAttribute:NSLayoutAttributeTop]; 30 | } 31 | - (MASViewAttribute *)mas_bottomLayoutGuideBottom { 32 | return [[MASViewAttribute alloc] initWithView:self.view item:self.bottomLayoutGuide layoutAttribute:NSLayoutAttributeBottom]; 33 | } 34 | 35 | 36 | 37 | @end 38 | 39 | #endif 40 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # HYChangeableCollection 2 | [![LICENSE](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/Hank-Zhong/HYChangeableCollection/blob/master/LICENSE) 3 | 4 | UICollectionView列表和网格之间切换的Demo，带动画效果。 5 | 6 | 详细介绍请参考我的[博客](https://www.hlzhy.com/?p=57)或[简书](https://www.jianshu.com/p/443b73f72702) 7 | 8 | 9 | -------------------------------------------------------------------------------- /image/1.jpg: -------------------------------------------------------------------------------- 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