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Major overhaul

This commit is contained in:
Robert Payne 2016-01-26 23:49:04 +13:00
parent 82ac8f8f2f
commit 7ba532d597
31 changed files with 2109 additions and 1671 deletions
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384
SnapKit.xcodeproj/project.pbxproj
View File

@ -8,55 +8,101 @@
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EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */, EE235F851C5785C600C08960 /* ConstraintAttributes.swift in Sources */,
EECDB36F1AC0C9A6006BBC11 /* ConstraintMaker.swift in Sources */, EE235FA01C5785CE00C08960 /* ConstraintOffsetTarget.swift in Sources */,
779230441BCB6FC30027CF5F /* SourceLocation.swift in Sources */, EE235FB51C5785D400C08960 /* ConstraintMakerEditable.swift in Sources */,
EECDB36D1AC0C9A6006BBC11 /* ConstraintAttributes.swift in Sources */, EE235FAC1C5785D400C08960 /* ConstraintMaker.swift in Sources */,
EECDB3721AC0C9A6006BBC11 /* LayoutConstraint.swift in Sources */, EE235F941C5785CE00C08960 /* ConstraintRelatableTarget.swift in Sources */,
EECDB36E1AC0C9A6006BBC11 /* ConstraintItem.swift in Sources */, EE235FBB1C5785D400C08960 /* ConstraintMakerExtendable.swift in Sources */,
EE235F881C5785C600C08960 /* ConstraintItem.swift in Sources */,
EE235F9A1C5785CE00C08960 /* ConstraintPriorityTarget.swift in Sources */,
EE235F761C5785C600C08960 /* ConstraintConfig.swift in Sources */,
EE235F6D1C5785C600C08960 /* Constraint.swift in Sources */,
EE235F791C5785C600C08960 /* ConstraintView.swift in Sources */,
EE235FB21C5785D400C08960 /* ConstraintMakerPriortizable.swift in Sources */,
EE235FCB1C5785E200C08960 /* ConstraintViewController+Extensions.swift in Sources */,
EE235F8B1C5785C600C08960 /* LayoutConstraint.swift in Sources */,
EE235FA31C5785CE00C08960 /* ConstraintInsetTarget.swift in Sources */,
EE235F9D1C5785CE00C08960 /* ConstraintMultiplierTarget.swift in Sources */,
EE235FC01C5785DC00C08960 /* ConstraintViewDSL.swift in Sources */,
EE235F5F1C5785BC00C08960 /* Debugging.swift in Sources */,
EE235FC31C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */,
EE235F7F1C5785C600C08960 /* ConstraintRelation.swift in Sources */,
EE235F701C5785C600C08960 /* ConstraintDescription.swift in Sources */,
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
@ -518,18 +672,34 @@
isa = PBXSourcesBuildPhase; isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647; buildActionMask = 2147483647;
files = ( files = (
EECDB3951AC0CBFF006BBC11 /* Constraint.swift in Sources */, EE235F751C5785C600C08960 /* ConstraintInsets.swift in Sources */,
EEFCF3301AD92C2200A425FA /* SnapKit.swift in Sources */, EE235F841C5785C600C08960 /* ConstraintLayoutSupport.swift in Sources */,
EEFCF32D1AD9250C00A425FA /* Debugging.swift in Sources */, EE235FB11C5785D400C08960 /* ConstraintMakerFinalizable.swift in Sources */,
EECDB3991AC0CBFF006BBC11 /* ConstraintRelation.swift in Sources */, EE235F7E1C5785C600C08960 /* ConstraintViewController.swift in Sources */,
EEFCF3331AD9432400A425FA /* ConstraintDescription.swift in Sources */, EE235F991C5785CE00C08960 /* ConstraintConstantTarget.swift in Sources */,
EECDB39C1AC0CBFF006BBC11 /* View+SnapKit.swift in Sources */, EE235FCA1C5785E200C08960 /* ConstraintView+Extensions.swift in Sources */,
EECDB39A1AC0CBFF006BBC11 /* EdgeInsets.swift in Sources */, EE235FBA1C5785D400C08960 /* ConstraintMakerRelatable.swift in Sources */,
EECDB3981AC0CBFF006BBC11 /* ConstraintMaker.swift in Sources */, EE235F871C5785C600C08960 /* ConstraintAttributes.swift in Sources */,
EECDB3961AC0CBFF006BBC11 /* ConstraintAttributes.swift in Sources */, EE235FA21C5785CE00C08960 /* ConstraintOffsetTarget.swift in Sources */,
779230451BCB6FC30027CF5F /* SourceLocation.swift in Sources */, EE235FB71C5785D400C08960 /* ConstraintMakerEditable.swift in Sources */,
EECDB39B1AC0CBFF006BBC11 /* LayoutConstraint.swift in Sources */, EE235FAE1C5785D400C08960 /* ConstraintMaker.swift in Sources */,
EECDB3971AC0CBFF006BBC11 /* ConstraintItem.swift in Sources */, EE235F961C5785CE00C08960 /* ConstraintRelatableTarget.swift in Sources */,
EE235FBD1C5785D400C08960 /* ConstraintMakerExtendable.swift in Sources */,
EE235F8A1C5785C600C08960 /* ConstraintItem.swift in Sources */,
EE235F9C1C5785CE00C08960 /* ConstraintPriorityTarget.swift in Sources */,
EE235F781C5785C600C08960 /* ConstraintConfig.swift in Sources */,
EE235F6F1C5785C600C08960 /* Constraint.swift in Sources */,
EE235F7B1C5785C600C08960 /* ConstraintView.swift in Sources */,
EE235FB41C5785D400C08960 /* ConstraintMakerPriortizable.swift in Sources */,
EE235FCD1C5785E200C08960 /* ConstraintViewController+Extensions.swift in Sources */,
EE235F8D1C5785C600C08960 /* LayoutConstraint.swift in Sources */,
EE235FA51C5785CE00C08960 /* ConstraintInsetTarget.swift in Sources */,
EE235F9F1C5785CE00C08960 /* ConstraintMultiplierTarget.swift in Sources */,
EE235FC21C5785DC00C08960 /* ConstraintViewDSL.swift in Sources */,
EE235F611C5785BC00C08960 /* Debugging.swift in Sources */,
EE235FC51C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */,
EE235F811C5785C600C08960 /* ConstraintRelation.swift in Sources */,
EE235F721C5785C600C08960 /* ConstraintDescription.swift in Sources */,
); );
runOnlyForDeploymentPostprocessing = 0; runOnlyForDeploymentPostprocessing = 0;
}; };
@ -555,6 +725,7 @@
537DCE971C35CC8800B5B899 /* Debug */ = { 537DCE971C35CC8800B5B899 /* Debug */ = {
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
CLANG_ENABLE_MODULES = YES;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEBUG_INFORMATION_FORMAT = dwarf; DEBUG_INFORMATION_FORMAT = dwarf;
DEFINES_MODULE = YES; DEFINES_MODULE = YES;
@ -569,6 +740,7 @@
PRODUCT_NAME = SnapKit; PRODUCT_NAME = SnapKit;
SDKROOT = appletvos; SDKROOT = appletvos;
SKIP_INSTALL = YES; SKIP_INSTALL = YES;
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
TARGETED_DEVICE_FAMILY = 3; TARGETED_DEVICE_FAMILY = 3;
TVOS_DEPLOYMENT_TARGET = 9.0; TVOS_DEPLOYMENT_TARGET = 9.0;
VERSIONING_SYSTEM = "apple-generic"; VERSIONING_SYSTEM = "apple-generic";
@ -579,6 +751,7 @@
537DCE981C35CC8800B5B899 /* Release */ = { 537DCE981C35CC8800B5B899 /* Release */ = {
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
CLANG_ENABLE_MODULES = YES;
COPY_PHASE_STRIP = NO; COPY_PHASE_STRIP = NO;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@ -716,6 +889,7 @@
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
APPLICATION_EXTENSION_API_ONLY = YES; APPLICATION_EXTENSION_API_ONLY = YES;
CLANG_ENABLE_MODULES = YES;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEFINES_MODULE = YES; DEFINES_MODULE = YES;
DYLIB_COMPATIBILITY_VERSION = 1; DYLIB_COMPATIBILITY_VERSION = 1;
@ -728,6 +902,7 @@
PRODUCT_NAME = SnapKit; PRODUCT_NAME = SnapKit;
SKIP_INSTALL = YES; SKIP_INSTALL = YES;
SUPPORTED_PLATFORMS = "iphonesimulator iphoneos"; SUPPORTED_PLATFORMS = "iphonesimulator iphoneos";
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
VERSIONING_SYSTEM = "apple-generic"; VERSIONING_SYSTEM = "apple-generic";
VERSION_INFO_PREFIX = ""; VERSION_INFO_PREFIX = "";
}; };
@ -737,6 +912,7 @@
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
APPLICATION_EXTENSION_API_ONLY = YES; APPLICATION_EXTENSION_API_ONLY = YES;
CLANG_ENABLE_MODULES = YES;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEFINES_MODULE = YES; DEFINES_MODULE = YES;
DYLIB_COMPATIBILITY_VERSION = 1; DYLIB_COMPATIBILITY_VERSION = 1;
@ -779,6 +955,7 @@
EECDB38E1AC0C9D4006BBC11 /* Debug */ = { EECDB38E1AC0C9D4006BBC11 /* Debug */ = {
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
CLANG_ENABLE_MODULES = YES;
COMBINE_HIDPI_IMAGES = YES; COMBINE_HIDPI_IMAGES = YES;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEFINES_MODULE = YES; DEFINES_MODULE = YES;
@ -799,6 +976,7 @@
SDKROOT = macosx; SDKROOT = macosx;
SKIP_INSTALL = YES; SKIP_INSTALL = YES;
SUPPORTED_PLATFORMS = macosx; SUPPORTED_PLATFORMS = macosx;
SWIFT_OPTIMIZATION_LEVEL = "-Onone";
VERSIONING_SYSTEM = "apple-generic"; VERSIONING_SYSTEM = "apple-generic";
VERSION_INFO_PREFIX = ""; VERSION_INFO_PREFIX = "";
}; };
@ -807,6 +985,7 @@
EECDB38F1AC0C9D4006BBC11 /* Release */ = { EECDB38F1AC0C9D4006BBC11 /* Release */ = {
isa = XCBuildConfiguration; isa = XCBuildConfiguration;
buildSettings = { buildSettings = {
CLANG_ENABLE_MODULES = YES;
COMBINE_HIDPI_IMAGES = YES; COMBINE_HIDPI_IMAGES = YES;
CURRENT_PROJECT_VERSION = 1; CURRENT_PROJECT_VERSION = 1;
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym"; DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
@ -878,6 +1057,7 @@
537DCEB81C35D90A00B5B899 /* Release */, 537DCEB81C35D90A00B5B899 /* Release */,
); );
defaultConfigurationIsVisible = 0; defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
}; };
DDC9FD901981B4DD009612C7 /* Build configuration list for PBXProject "SnapKit" */ = { DDC9FD901981B4DD009612C7 /* Build configuration list for PBXProject "SnapKit" */ = {
isa = XCConfigurationList; isa = XCConfigurationList;

512
Source/Constraint.swift
View File

@ -22,241 +22,111 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to expose API's for a Constraint
*/
public class Constraint { public class Constraint {
public func install() -> [LayoutConstraint] { fatalError("Must be implemented by Concrete subclass.") } internal let sourceLocation: (String, UInt)
public func uninstall() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func activate() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func deactivate() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: Float) -> Void { fatalError("Must be implemented by Concrete subclass.") } private let from: ConstraintItem
public func updateOffset(amount: Double) -> Void { fatalError("Must be implemented by Concrete subclass.") } private let to: ConstraintItem
public func updateOffset(amount: CGFloat) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: Int) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: UInt) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: CGPoint) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: CGSize) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateOffset(amount: EdgeInsets) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updateInsets(amount: EdgeInsets) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriority(priority: Float) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriority(priority: Double) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriority(priority: CGFloat) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriority(priority: UInt) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriority(priority: Int) -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriorityRequired() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriorityHigh() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriorityMedium() -> Void { fatalError("Must be implemented by Concrete subclass.") }
public func updatePriorityLow() -> Void { fatalError("Must be implemented by Concrete subclass.") }
internal var makerLocation: SourceLocation = SourceLocation(file: "Unknown", line: 0)
internal(set) public var location: SourceLocation?
}
/**
Used internally to implement a ConcreteConstraint
*/
internal class ConcreteConstraint: Constraint {
internal override func updateOffset(amount: Float) -> Void {
self.constant = amount
}
internal override func updateOffset(amount: Double) -> Void {
self.updateOffset(Float(amount))
}
internal override func updateOffset(amount: CGFloat) -> Void {
self.updateOffset(Float(amount))
}
internal override func updateOffset(amount: Int) -> Void {
self.updateOffset(Float(amount))
}
internal override func updateOffset(amount: UInt) -> Void {
self.updateOffset(Float(amount))
}
internal override func updateOffset(amount: CGPoint) -> Void {
self.constant = amount
}
internal override func updateOffset(amount: CGSize) -> Void {
self.constant = amount
}
internal override func updateOffset(amount: EdgeInsets) -> Void {
self.constant = amount
}
internal override func updateInsets(amount: EdgeInsets) -> Void {
self.constant = EdgeInsets(top: amount.top, left: amount.left, bottom: -amount.bottom, right: -amount.right)
}
internal override func updatePriority(priority: Float) -> Void {
self.priority = priority
}
internal override func updatePriority(priority: Double) -> Void {
self.updatePriority(Float(priority))
}
internal override func updatePriority(priority: CGFloat) -> Void {
self.updatePriority(Float(priority))
}
internal override func updatePriority(priority: UInt) -> Void {
self.updatePriority(Float(priority))
}
internal override func updatePriority(priority: Int) -> Void {
self.updatePriority(Float(priority))
}
internal override func updatePriorityRequired() -> Void {
self.updatePriority(Float(1000.0))
}
internal override func updatePriorityHigh() -> Void {
self.updatePriority(Float(750.0))
}
internal override func updatePriorityMedium() -> Void {
#if os(iOS) || os(tvOS)
self.updatePriority(Float(500.0))
#else
self.updatePriority(Float(501.0))
#endif
}
internal override func updatePriorityLow() -> Void {
self.updatePriority(Float(250.0))
}
internal override func install() -> [LayoutConstraint] {
return self.installOnView(updateExisting: false, location: self.makerLocation)
}
internal override func uninstall() -> Void {
self.uninstallFromView()
}
internal override func activate() -> Void {
guard self.installInfo != nil else {
self.install()
return
}
#if SNAPKIT_DEPLOYMENT_LEGACY
guard #available(iOS 8.0, OSX 10.10, *) else {
self.install()
return
}
#endif
let layoutConstraints = self.installInfo!.layoutConstraints.allObjects as! [LayoutConstraint]
if layoutConstraints.count > 0 {
NSLayoutConstraint.activateConstraints(layoutConstraints)
}
}
internal override func deactivate() -> Void {
guard self.installInfo != nil else {
return
}
#if SNAPKIT_DEPLOYMENT_LEGACY
guard #available(iOS 8.0, OSX 10.10, *) else {
return
}
#endif
let layoutConstraints = self.installInfo!.layoutConstraints.allObjects as! [LayoutConstraint]
if layoutConstraints.count > 0 {
NSLayoutConstraint.deactivateConstraints(layoutConstraints)
}
}
private let fromItem: ConstraintItem
private let toItem: ConstraintItem
private let relation: ConstraintRelation private let relation: ConstraintRelation
private let multiplier: Float private let multiplier: ConstraintMultiplierTarget
private var constant: Any { private var constant: ConstraintConstantTarget
didSet { private var priority: ConstraintPriorityTarget
if let installInfo = self.installInfo { private var installInfo: ConstraintInstallInfo? = nil
for layoutConstraint in installInfo.layoutConstraints.allObjects as! [LayoutConstraint] {
let attribute = (layoutConstraint.secondAttribute == .NotAnAttribute) ? layoutConstraint.firstAttribute : layoutConstraint.secondAttribute
layoutConstraint.constant = attribute.snp_constantForValue(self.constant)
}
}
}
}
private var priority: Float {
didSet {
if let installInfo = self.installInfo {
for layoutConstraint in installInfo.layoutConstraints.allObjects as! [LayoutConstraint] {
layoutConstraint.priority = self.priority
}
}
}
}
private var installInfo: ConcreteConstraintInstallInfo? = nil // MARK: Initialization
internal init(fromItem: ConstraintItem, toItem: ConstraintItem, relation: ConstraintRelation, constant: Any, multiplier: Float, priority: Float, location: SourceLocation?) { internal init(from: ConstraintItem,
self.fromItem = fromItem to: ConstraintItem,
self.toItem = toItem relation: ConstraintRelation,
sourceLocation: (String, UInt),
multiplier: ConstraintMultiplierTarget,
constant: ConstraintConstantTarget,
priority: ConstraintPriorityTarget) {
self.from = from
self.to = to
self.relation = relation self.relation = relation
self.constant = constant self.sourceLocation = sourceLocation
self.multiplier = multiplier self.multiplier = multiplier
self.constant = constant
self.priority = priority self.priority = priority
super.init()
self.location = location
} }
internal func installOnView(updateExisting updateExisting: Bool = false, location: SourceLocation? = nil) -> [LayoutConstraint] { // MARK: Public
var installOnView: View? = nil
if self.toItem.view != nil { public func install() -> [NSLayoutConstraint] {
installOnView = closestCommonSuperviewFromView(self.fromItem.view, toView: self.toItem.view) return self.installIfNeeded(updateExisting: false)
if installOnView == nil { }
NSException(name: "Cannot Install Constraint", reason: "No common superview between views (@\(self.makerLocation.file)#\(self.makerLocation.line))", userInfo: nil).raise()
return [] public func uninstall() {
self.uninstallIfNeeded()
}
@available(iOS 8.0, OSX 10.10, *)
public func activate() {
self.activateIfNeeded()
}
@available(iOS 8.0, OSX 10.10, *)
public func deactivate() {
self.deactivateIfNeeded()
}
// MARK: Internal
internal func installIfNeeded(updateExisting updateExisting: Bool = false) -> [NSLayoutConstraint] {
let installOnView: ConstraintView?
if let view = self.to.view {
guard let closestSuperview = closestCommonSuperviewFromView(self.from.view, toView: view) else {
fatalError("Cannot Install Constraint. No common superview. (\(self.sourceLocation.0), \(self.sourceLocation.1))")
} }
installOnView = closestSuperview
} else if self.from.attributes.isSubsetOf(ConstraintAttributes.Width + ConstraintAttributes.Height) {
installOnView = self.from.view
} else { } else {
guard let superview = self.from.view?.superview else {
if self.fromItem.attributes.isSubsetOf(ConstraintAttributes.Width.union(.Height)) { fatalError("Cannot Install Constraint. No superview. (\(self.sourceLocation.0), \(self.sourceLocation.1))")
installOnView = self.fromItem.view
} else {
installOnView = self.fromItem.view?.superview
if installOnView == nil {
NSException(name: "Cannot Install Constraint", reason: "Missing superview (@\(self.makerLocation.file)#\(self.self.makerLocation.line))", userInfo: nil).raise()
return []
}
} }
installOnView = superview
} }
if let installedOnView = self.installInfo?.view { guard self.installInfo?.view == nil ||
if installedOnView != installOnView { self.installInfo?.view == installOnView else {
NSException(name: "Cannot Install Constraint", reason: "Already installed on different view. (@\(self.makerLocation.file)#\(self.makerLocation.line))", userInfo: nil).raise() fatalError("Cannot Install Constraint. Already installed on different view. (\(self.sourceLocation.0), \(self.sourceLocation.1))")
return []
}
return self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint] ?? []
} }
// setup array to store new layout constraints
var newLayoutConstraints = [LayoutConstraint]() var newLayoutConstraints = [LayoutConstraint]()
let layoutFromAttributes = self.fromItem.attributes.layoutAttributes
let layoutToAttributes = self.toItem.attributes.layoutAttributes // get attributes
let layoutFromAttributes = self.from.attributes.layoutAttributes
let layoutToAttributes = self.to.attributes.layoutAttributes
// get layout from // get layout from
let layoutFrom: View? = self.fromItem.view let layoutFrom: ConstraintView = self.from.view!
// get layout relation // get relation
let layoutRelation: NSLayoutRelation = self.relation.layoutRelation let layoutRelation = self.relation.layoutRelation
for layoutFromAttribute in layoutFromAttributes { for layoutFromAttribute in layoutFromAttributes {
// get layout to attribute // get layout to attribute
let layoutToAttribute = (layoutToAttributes.count > 0) ? layoutToAttributes[0] : layoutFromAttribute let layoutToAttribute = (layoutToAttributes.count > 0) ? layoutToAttributes[0] : layoutFromAttribute
// get layout constant // get layout constant
let layoutConstant: CGFloat = layoutToAttribute.snp_constantForValue(self.constant) let layoutConstant: CGFloat = self.constant.layoutConstantForLayoutAttribute(layoutToAttribute)
// get layout to // get layout to
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
var layoutTo: AnyObject? = self.toItem.view ?? self.toItem.layoutSupport var layoutTo: AnyObject? = self.to.view ?? self.to.layoutSupport
#else #else
var layoutTo: AnyObject? = self.toItem.view var layoutTo: AnyObject? = self.to.view
#endif #endif
if layoutTo == nil && layoutToAttribute != .Width && layoutToAttribute != .Height { if layoutTo == nil && layoutToAttribute != .Width && layoutToAttribute != .Height {
layoutTo = installOnView layoutTo = installOnView
@ -264,27 +134,30 @@ internal class ConcreteConstraint: Constraint {
// create layout constraint // create layout constraint
let layoutConstraint = LayoutConstraint( let layoutConstraint = LayoutConstraint(
item: layoutFrom!, item: layoutFrom,
attribute: layoutFromAttribute, attribute: layoutFromAttribute,
relatedBy: layoutRelation, relatedBy: layoutRelation,
toItem: layoutTo, toItem: layoutTo,
attribute: layoutToAttribute, attribute: layoutToAttribute,
multiplier: CGFloat(self.multiplier), multiplier: self.multiplier.constraintMultiplierTargetValue,
constant: layoutConstant) constant: layoutConstant
)
// set priority // set priority
layoutConstraint.priority = self.priority layoutConstraint.priority = self.priority.constraintPriorityTargetValue
// set constraint // set constraint
layoutConstraint.snp_constraint = self layoutConstraint.constraint = self
// append
newLayoutConstraints.append(layoutConstraint) newLayoutConstraints.append(layoutConstraint)
} }
// special logic for updating // updating logic
if updateExisting { if updateExisting {
// get existing constraints for this view // get existing constraints for this view
let existingLayoutConstraints = layoutFrom!.snp_installedLayoutConstraints.reverse() let existingLayoutConstraints = layoutFrom.snp.installedLayoutConstraints.reverse()
// array that will contain only new layout constraints to keep // array that will contain only new layout constraints to keep
var newLayoutConstraintsToKeep = [LayoutConstraint]() var newLayoutConstraintsToKeep = [LayoutConstraint]()
@ -306,7 +179,7 @@ internal class ConcreteConstraint: Constraint {
if updateLayoutConstraint != nil { if updateLayoutConstraint != nil {
updateLayoutConstraint!.constant = layoutConstraint.constant updateLayoutConstraint!.constant = layoutConstraint.constant
} }
// otherwise add this layout constraint to new keep list // otherwise add this layout constraint to new keep list
else { else {
newLayoutConstraintsToKeep.append(layoutConstraint) newLayoutConstraintsToKeep.append(layoutConstraint)
} }
@ -317,18 +190,18 @@ internal class ConcreteConstraint: Constraint {
} }
// add constraints // add constraints
#if SNAPKIT_DEPLOYMENT_LEGACY && !os(OSX) #if SNAPKIT_DEPLOYMENT_LEGACY && (os(iOS) || os(tvOS))
if #available(iOS 8.0, *) { if #available(iOS 8.0, *) {
NSLayoutConstraint.activateConstraints(newLayoutConstraints) NSLayoutConstraint.activateConstraints(newLayoutConstraints)
} else { } else {
installOnView!.addConstraints(newLayoutConstraints) installOnView?.addConstraints(newLayoutConstraints)
} }
#else #else
NSLayoutConstraint.activateConstraints(newLayoutConstraints) NSLayoutConstraint.activateConstraints(newLayoutConstraints)
#endif #endif
// set install info // set install info
self.installInfo = ConcreteConstraintInstallInfo(view: installOnView, layoutConstraints: NSHashTable.weakObjectsHashTable()) self.installInfo = ConstraintInstallInfo(view: installOnView, layoutConstraints: NSHashTable.weakObjectsHashTable())
// store which layout constraints are installed for this constraint // store which layout constraints are installed for this constraint
for layoutConstraint in newLayoutConstraints { for layoutConstraint in newLayoutConstraints {
@ -336,141 +209,86 @@ internal class ConcreteConstraint: Constraint {
} }
// store the layout constraints against the layout from view // store the layout constraints against the layout from view
layoutFrom!.snp_installedLayoutConstraints += newLayoutConstraints layoutFrom.snp.appendInstalledLayoutConstraints(newLayoutConstraints)
// return the new constraints
return newLayoutConstraints return newLayoutConstraints
} }
internal func uninstallFromView() { internal func uninstallIfNeeded() {
if let installInfo = self.installInfo, defer {
let installedLayoutConstraints = installInfo.layoutConstraints.allObjects as? [LayoutConstraint] { self.installInfo = nil
if installedLayoutConstraints.count > 0 {
// remove the constraints from the UIView's storage
#if SNAPKIT_DEPLOYMENT_LEGACY && !os(OSX)
if #available(iOS 8.0, *) {
NSLayoutConstraint.deactivateConstraints(installedLayoutConstraints)
} else if let installedOnView = installInfo.view {
installedOnView.removeConstraints(installedLayoutConstraints)
}
#else
NSLayoutConstraint.deactivateConstraints(installedLayoutConstraints)
#endif
// remove the constraints from the from item view
if let fromView = self.fromItem.view {
fromView.snp_installedLayoutConstraints = fromView.snp_installedLayoutConstraints.filter {
return !installedLayoutConstraints.contains($0)
}
}
}
}
self.installInfo = nil
}
}
private struct ConcreteConstraintInstallInfo {
weak var view: View? = nil
let layoutConstraints: NSHashTable
}
private extension NSLayoutAttribute {
private func snp_constantForValue(value: Any?) -> CGFloat {
// Float
if let float = value as? Float {
return CGFloat(float)
}
// Double
else if let double = value as? Double {
return CGFloat(double)
}
// UInt
else if let int = value as? Int {
return CGFloat(int)
}
// Int
else if let uint = value as? UInt {
return CGFloat(uint)
}
// CGFloat
else if let float = value as? CGFloat {
return float
}
// CGSize
else if let size = value as? CGSize {
if self == .Width {
return size.width
} else if self == .Height {
return size.height
}
}
// CGPoint
else if let point = value as? CGPoint {
#if os(iOS) || os(tvOS)
switch self {
case .Left, .CenterX, .LeftMargin, .CenterXWithinMargins: return point.x
case .Top, .CenterY, .TopMargin, .CenterYWithinMargins, .Baseline, .FirstBaseline: return point.y
case .Right, .RightMargin: return point.x
case .Bottom, .BottomMargin: return point.y
case .Leading, .LeadingMargin: return point.x
case .Trailing, .TrailingMargin: return point.x
case .Width, .Height, .NotAnAttribute: return CGFloat(0)
}
#else
switch self {
case .Left, .CenterX: return point.x
case .Top, .CenterY, .Baseline: return point.y
case .Right: return point.x
case .Bottom: return point.y
case .Leading: return point.x
case .Trailing: return point.x
case .Width, .Height, .NotAnAttribute: return CGFloat(0)
case .FirstBaseline: return point.y
}
#endif
}
// EdgeInsets
else if let insets = value as? EdgeInsets {
#if os(iOS) || os(tvOS)
switch self {
case .Left, .CenterX, .LeftMargin, .CenterXWithinMargins: return insets.left
case .Top, .CenterY, .TopMargin, .CenterYWithinMargins, .Baseline, .FirstBaseline: return insets.top
case .Right, .RightMargin: return insets.right
case .Bottom, .BottomMargin: return insets.bottom
case .Leading, .LeadingMargin: return (Config.interfaceLayoutDirection == .LeftToRight) ? insets.left : -insets.right
case .Trailing, .TrailingMargin: return (Config.interfaceLayoutDirection == .LeftToRight) ? insets.right : -insets.left
case .Width: return -insets.left + insets.right
case .Height: return -insets.top + insets.bottom
case .NotAnAttribute: return CGFloat(0)
}
#else
switch self {
case .Left, .CenterX: return insets.left
case .Top, .CenterY, .Baseline: return insets.top
case .Right: return insets.right
case .Bottom: return insets.bottom
case .Leading: return (Config.interfaceLayoutDirection == .LeftToRight) ? insets.left : -insets.right
case .Trailing: return (Config.interfaceLayoutDirection == .LeftToRight) ? insets.right : -insets.left
case .Width: return -insets.left + insets.right
case .Height: return -insets.top + insets.bottom
case .NotAnAttribute: return CGFloat(0)
case .FirstBaseline: return insets.bottom
}
#endif
} }
return CGFloat(0); guard let installedLayoutConstraints = self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint]
where installedLayoutConstraints.count > 0 else {
return
}
#if SNAPKIT_DEPLOYMENT_LEGACY && !os(OSX)
if #available(iOS 8.0, *) {
NSLayoutConstraint.deactivateConstraints(installedLayoutConstraints)
} else if let installedOnView = installInfo.view {
installedOnView.removeConstraints(installedLayoutConstraints)
}
#else
NSLayoutConstraint.deactivateConstraints(installedLayoutConstraints)
#endif
// remove the constraints from the from item view
self.from.view?.snp.removeInstalledLayoutConstraints(installedLayoutConstraints)
} }
internal func activateIfNeeded() {
guard self.installInfo != nil else {
self.installIfNeeded()
return
}
#if SNAPKIT_DEPLOYMENT_LEGACY
guard #available(iOS 8.0, OSX 10.10, *) else {
self.installIfNeeded()
return
}
#endif
guard let layoutConstraints = self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint]
where layoutConstraints.count > 0 else {
return
}
NSLayoutConstraint.activateConstraints(layoutConstraints)
}
internal func deactivateIfNeeded() {
#if SNAPKIT_DEPLOYMENT_LEGACY
guard #available(iOS 8.0, OSX 10.10, *) else {
return
}
#endif
guard let layoutConstraints = self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint]
where layoutConstraints.count > 0 else {
return
}
NSLayoutConstraint.deactivateConstraints(layoutConstraints)
}
} }
private func closestCommonSuperviewFromView(fromView: View?, toView: View?) -> View? { private final class ConstraintInstallInfo {
var views = Set<View>()
private weak var view: ConstraintView? = nil
private let layoutConstraints: NSHashTable
private init(view: ConstraintView?, layoutConstraints: NSHashTable) {
self.view = view
self.layoutConstraints = layoutConstraints
}
}
private func closestCommonSuperviewFromView(fromView: ConstraintView?, toView: ConstraintView?) -> ConstraintView? {
var views = Set<ConstraintView>()
var fromView = fromView var fromView = fromView
var toView = toView var toView = toView
repeat { repeat {
@ -493,10 +311,10 @@ private func closestCommonSuperviewFromView(fromView: View?, toView: View?) -> V
return nil return nil
} }
private func ==(left: ConcreteConstraint, right: ConcreteConstraint) -> Bool { private func ==(lhs: Constraint, rhs: Constraint) -> Bool {
return (left.fromItem == right.fromItem && return (lhs.from == rhs.from &&
left.toItem == right.toItem && lhs.to == rhs.to &&
left.relation == right.relation && lhs.relation == rhs.relation &&
left.multiplier == right.multiplier && lhs.multiplier == rhs.multiplier &&
left.priority == right.priority) lhs.priority == rhs.priority)
} }

81
Source/ConstraintAttributes.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,14 +22,12 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to define `NSLayoutAttributes` in a more concise and composite manner
*/
internal struct ConstraintAttributes: OptionSetType, BooleanType { internal struct ConstraintAttributes: OptionSetType, BooleanType {
internal init(rawValue: UInt) { internal init(rawValue: UInt) {
@ -134,49 +132,56 @@ internal struct ConstraintAttributes: OptionSetType, BooleanType {
} }
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
#if SNAPKIT_DEPLOYMENT_LEGACY #if SNAPKIT_DEPLOYMENT_LEGACY
guard #available(iOS 8.0, *) else { guard #available(iOS 8.0, *) else {
return attrs return attrs
} }
#endif #endif
if (self.contains(ConstraintAttributes.FirstBaseline)) { if (self.contains(ConstraintAttributes.FirstBaseline)) {
attrs.append(.FirstBaseline) attrs.append(.FirstBaseline)
} }
if (self.contains(ConstraintAttributes.LeftMargin)) { if (self.contains(ConstraintAttributes.LeftMargin)) {
attrs.append(.LeftMargin) attrs.append(.LeftMargin)
} }
if (self.contains(ConstraintAttributes.RightMargin)) { if (self.contains(ConstraintAttributes.RightMargin)) {
attrs.append(.RightMargin) attrs.append(.RightMargin)
} }
if (self.contains(ConstraintAttributes.TopMargin)) { if (self.contains(ConstraintAttributes.TopMargin)) {
attrs.append(.TopMargin) attrs.append(.TopMargin)
} }
if (self.contains(ConstraintAttributes.BottomMargin)) { if (self.contains(ConstraintAttributes.BottomMargin)) {
attrs.append(.BottomMargin) attrs.append(.BottomMargin)
} }
if (self.contains(ConstraintAttributes.LeadingMargin)) { if (self.contains(ConstraintAttributes.LeadingMargin)) {
attrs.append(.LeadingMargin) attrs.append(.LeadingMargin)
} }
if (self.contains(ConstraintAttributes.TrailingMargin)) { if (self.contains(ConstraintAttributes.TrailingMargin)) {
attrs.append(.TrailingMargin) attrs.append(.TrailingMargin)
} }
if (self.contains(ConstraintAttributes.CenterXWithinMargins)) { if (self.contains(ConstraintAttributes.CenterXWithinMargins)) {
attrs.append(.CenterXWithinMargins) attrs.append(.CenterXWithinMargins)
} }
if (self.contains(ConstraintAttributes.CenterYWithinMargins)) { if (self.contains(ConstraintAttributes.CenterYWithinMargins)) {
attrs.append(.CenterYWithinMargins) attrs.append(.CenterYWithinMargins)
} }
#endif #endif
return attrs return attrs
} }
} }
internal func + (left: ConstraintAttributes, right: ConstraintAttributes) -> ConstraintAttributes {
return left.union(right)
}
internal func +=(inout left: ConstraintAttributes, right: ConstraintAttributes) { internal func +=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
left.unionInPlace(right) left.unionInPlace(right)
} }
internal func -=(inout left: ConstraintAttributes, right: ConstraintAttributes) { internal func -=(inout left: ConstraintAttributes, right: ConstraintAttributes) {
left.subtractInPlace(right) left.subtractInPlace(right)
} }
internal func ==(left: ConstraintAttributes, right: ConstraintAttributes) -> Bool { internal func ==(left: ConstraintAttributes, right: ConstraintAttributes) -> Bool {
return left.rawValue == right.rawValue return left.rawValue == right.rawValue
} }

23
Source/SnapKit.swift → Source/ConstraintConfig.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,21 +22,16 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
public typealias InterfaceLayoutDirection = UIUserInterfaceLayoutDirection public typealias ConstraintInterfaceLayoutDirection = UIUserInterfaceLayoutDirection
public typealias LayoutSupport = UILayoutSupport
#else #else
import AppKit import AppKit
public typealias InterfaceLayoutDirection = NSUserInterfaceLayoutDirection public typealias ConstraintInterfaceLayoutDirection = NSUserInterfaceLayoutDirection
public class LayoutSupport {}
#endif #endif
/**
Used to configure different parts of SnapKit public struct ConstraintConfig {
*/
public struct Config {
/// The interface layout direction public static var interfaceLayoutDirection: ConstraintInterfaceLayoutDirection = .LeftToRight
public static var interfaceLayoutDirection = InterfaceLayoutDirection.LeftToRight
} }

148
Source/ConstraintConstantTarget.swift Normal file
View File

@ -0,0 +1,148 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public protocol ConstraintConstantTarget {
}
extension CGPoint: ConstraintConstantTarget {
}
extension CGSize: ConstraintConstantTarget {
}
extension ConstraintInsets: ConstraintConstantTarget {
}
extension ConstraintConstantTarget {
internal func layoutConstantForLayoutAttribute(layoutAttribute: NSLayoutAttribute) -> CGFloat {
if let value = self as? Float {
return CGFloat(value)
}
if let value = self as? Double {
return CGFloat(value)
}
if let value = self as? Int {
return CGFloat(value)
}
if let value = self as? UInt {
return CGFloat(value)
}
if let value = self as? CGFloat {
return value
}
if let value = self as? CGSize {
if layoutAttribute == .Width {
return value.width
} else if layoutAttribute == .Height {
return value.height
} else {
return 0.0
}
}
if let value = self as? CGPoint {
#if os(iOS) || os(tvOS)
switch layoutAttribute {
case .Left, .Right, .Leading, .Trailing, .CenterX, .LeftMargin, .RightMargin, .LeadingMargin, .TrailingMargin, .CenterXWithinMargins:
return value.x
case .Top, .Bottom, .CenterY, .TopMargin, .BottomMargin, .CenterYWithinMargins, .Baseline, .FirstBaseline:
return value.y
case .Width, .Height, .NotAnAttribute:
return 0.0
}
#else
switch layoutAttribute {
case .Left, .Right, .Leading, .Trailing, .CenterX:
return value.x
case .Top, .Bottom, .CenterY, .Baseline, .FirstBaseline:
return value.y
case .Width, .Height, .NotAnAttribute:
return 0.0
}
#endif
}
if let value = self as? ConstraintInsets {
#if os(iOS) || os(tvOS)
switch layoutAttribute {
case .Left, .LeftMargin, .CenterX, .CenterXWithinMargins:
return value.left
case .Top, .TopMargin, .CenterY, .CenterYWithinMargins, .Baseline, .FirstBaseline:
return value.top
case .Right, .RightMargin:
return value.right
case .Bottom, .BottomMargin:
return value.bottom
case .Leading, .LeadingMargin:
return (ConstraintConfig.interfaceLayoutDirection == .LeftToRight) ? value.left : -value.right
case .Trailing, .TrailingMargin:
return (ConstraintConfig.interfaceLayoutDirection == .LeftToRight) ? value.right : -value.left
case .Width:
return -value.left + value.right
case .Height:
return -value.top + value.bottom
case .NotAnAttribute:
return 0.0
}
#else
switch layoutAttribute {
case .Left, .CenterX:
return value.left
case .Top, .CenterY, .Baseline, .FirstBaseline:
return value.top
case .Right:
return value.right
case .Bottom:
return value.bottom
case .Leading:
return (ConstraintConfig.interfaceLayoutDirection == .LeftToRight) ? value.left : -value.right
case .Trailing:
return (ConstraintConfig.interfaceLayoutDirection == .LeftToRight) ? value.right : -value.left
case .Width:
return -value.left + value.right
case .Height:
return -value.top + value.bottom
case .NotAnAttribute:
return 0.0
}
#endif
}
return 0.0
}
}

506
Source/ConstraintDescription.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,488 +22,46 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
public protocol RelationTarget {
var constraintItem: ConstraintItem { get }
}
public protocol FloatConvertible: RelationTarget { public class ConstraintDescription {
var floatValue: Float { get }
}
extension FloatConvertible {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
}
}
extension Float: FloatConvertible, RelationTarget {
public var floatValue: Float {
return self
}
}
extension Int: FloatConvertible, RelationTarget {
public var floatValue: Float {
return Float(self)
}
}
extension UInt: FloatConvertible, RelationTarget {
public var floatValue: Float {
return Float(self)
}
}
extension Double: FloatConvertible, RelationTarget {
public var floatValue: Float {
return Float(self)
}
}
extension CGFloat: FloatConvertible, RelationTarget {
public var floatValue: Float {
return Float(self)
}
}
@available(iOS 9.0, OSX 10.11, *)
extension NSLayoutAnchor: RelationTarget {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: self, attributes: ConstraintAttributes.None)
}
}
extension CGPoint: RelationTarget {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
}
}
extension CGSize: RelationTarget {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
}
}
extension EdgeInsets: RelationTarget {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
}
}
extension View: RelationTarget {
public var constraintItem: ConstraintItem {
return ConstraintItem(object: self, attributes: ConstraintAttributes.None)
}
}
extension ConstraintItem: RelationTarget {
public var constraintItem: ConstraintItem {
return self
}
}
/**
Used to expose the final API of a `ConstraintDescription` which allows getting a constraint from it
*/
public class ConstraintDescriptionFinalizable {
private let backing: ConstraintDescription internal let view: ConstraintView
internal var attributes: ConstraintAttributes
internal init(_ backing: ConstraintDescription) { internal var relation: ConstraintRelation? = nil
self.backing = backing internal var sourceLocation: (String, UInt)? = nil
} internal var related: ConstraintItem? = nil
internal var multiplier: ConstraintMultiplierTarget = 1.0
public var constraint: Constraint { internal var constant: ConstraintConstantTarget = 0.0
return backing.constraint internal var priority: ConstraintPriorityTarget = 1000.0
} internal var constraint: Constraint? {
} guard let relation = self.relation,
let related = self.related,
/** let sourceLocation = self.sourceLocation else {
Used to expose priority APIs return nil
*/
public class ConstraintDescriptionPriortizable: ConstraintDescriptionFinalizable {
public func priority(priority: FloatConvertible) -> ConstraintDescriptionFinalizable {
return ConstraintDescriptionFinalizable(self.backing.priority(priority))
}
public func priorityRequired() -> ConstraintDescriptionFinalizable {
return ConstraintDescriptionFinalizable(self.backing.priorityRequired())
}
public func priorityHigh() -> ConstraintDescriptionFinalizable {
return ConstraintDescriptionFinalizable(self.backing.priorityHigh())
}
public func priorityMedium() -> ConstraintDescriptionFinalizable {
return ConstraintDescriptionFinalizable(self.backing.priorityMedium())
}
public func priorityLow() -> ConstraintDescriptionFinalizable {
return ConstraintDescriptionFinalizable(self.backing.priorityLow())
}
}
/**
Used to expose multiplier & constant APIs
*/
public class ConstraintDescriptionEditable: ConstraintDescriptionPriortizable {
public func multipliedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.multipliedBy(amount))
}
public func dividedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
return self.multipliedBy(1 / amount.floatValue)
}
public func offset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.offset(amount))
}
public func offset(amount: CGPoint) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.offset(amount))
}
public func offset(amount: CGSize) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.offset(amount))
}
public func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.offset(amount))
}
public func inset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.inset(amount))
}
public func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.inset(amount))
}
}
/**
Used to expose relation APIs
*/
public class ConstraintDescriptionRelatable {
private let backing: ConstraintDescription
init(_ backing: ConstraintDescription) {
self.backing = backing
}
public func equalTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .Equal, location: location))
}
public func equalTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .Equal, location: location))
}
public func lessThanOrEqualTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .LessThanOrEqualTo, location: location))
}
public func lessThanOrEqualTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .LessThanOrEqualTo, location: location))
}
public func greaterThanOrEqualTo(other: RelationTarget, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .GreaterThanOrEqualTo, location: location))
}
public func greaterThanOrEqualTo(other: LayoutSupport, file: String = __FILE__, line: UInt = __LINE__) -> ConstraintDescriptionEditable {
let location = SourceLocation(file: file, line: line)
return ConstraintDescriptionEditable(self.backing.constrainTo(other, relation: .GreaterThanOrEqualTo, location: location))
}
}
/**
Used to expose chaining APIs
*/
public class ConstraintDescriptionExtendable: ConstraintDescriptionRelatable {
public var left: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.left)
}
public var top: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.top)
}
public var bottom: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.bottom)
}
public var right: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.right)
}
public var leading: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.leading)
}
public var trailing: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.trailing)
}
public var width: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.width)
}
public var height: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.height)
}
public var centerX: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerX)
}
public var centerY: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerY)
}
public var baseline: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.baseline)
}
@available(iOS 8.0, *)
public var firstBaseline: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.firstBaseline)
}
@available(iOS 8.0, *)
public var leftMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.leftMargin)
}
@available(iOS 8.0, *)
public var rightMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.rightMargin)
}
@available(iOS 8.0, *)
public var topMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.topMargin)
}
@available(iOS 8.0, *)
public var bottomMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.bottomMargin)
}
@available(iOS 8.0, *)
public var leadingMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.leadingMargin)
}
@available(iOS 8.0, *)
public var trailingMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.trailingMargin)
}
@available(iOS 8.0, *)
public var centerXWithinMargins: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerXWithinMargins)
}
@available(iOS 8.0, *)
public var centerYWithinMargins: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerYWithinMargins)
}
}
/**
Used to internally manage building constraint
*/
internal class ConstraintDescription {
private var location: SourceLocation? = nil
private var left: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Left) }
private var top: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Top) }
private var right: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Right) }
private var bottom: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Bottom) }
private var leading: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Leading) }
private var trailing: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Trailing) }
private var width: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Width) }
private var height: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Height) }
private var centerX: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterX) }
private var centerY: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterY) }
private var baseline: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Baseline) }
@available(iOS 8.0, *)
private var firstBaseline: ConstraintDescription { return self.addConstraint(ConstraintAttributes.FirstBaseline) }
@available(iOS 8.0, *)
private var leftMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.LeftMargin) }
@available(iOS 8.0, *)
private var rightMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.RightMargin) }
@available(iOS 8.0, *)
private var topMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.TopMargin) }
@available(iOS 8.0, *)
private var bottomMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.BottomMargin) }
@available(iOS 8.0, *)
private var leadingMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.LeadingMargin) }
@available(iOS 8.0, *)
private var trailingMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.TrailingMargin) }
@available(iOS 8.0, *)
private var centerXWithinMargins: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterXWithinMargins) }
@available(iOS 8.0, *)
private var centerYWithinMargins: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterYWithinMargins) }
// MARK: initializer
init(fromItem: ConstraintItem) {
self.fromItem = fromItem
self.toItem = ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
}
// MARK: multiplier
private func multipliedBy(amount: FloatConvertible) -> ConstraintDescription {
self.multiplier = amount.floatValue
return self
}
private func dividedBy(amount: FloatConvertible) -> ConstraintDescription {
self.multiplier = 1.0 / amount.floatValue;
return self
}
// MARK: offset
private func offset(amount: FloatConvertible) -> ConstraintDescription {
self.constant = amount.floatValue
return self
}
private func offset(amount: CGPoint) -> ConstraintDescription {
self.constant = amount
return self
}
private func offset(amount: CGSize) -> ConstraintDescription {
self.constant = amount
return self
}
private func offset(amount: EdgeInsets) -> ConstraintDescription {
self.constant = amount
return self
}
// MARK: inset
private func inset(amount: FloatConvertible) -> ConstraintDescription {
let value = CGFloat(amount.floatValue)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self
}
private func inset(amount: EdgeInsets) -> ConstraintDescription {
self.constant = EdgeInsets(top: amount.top, left: amount.left, bottom: -amount.bottom, right: -amount.right)
return self
}
// MARK: priority
private func priority(priority: FloatConvertible) -> ConstraintDescription {
self.priority = priority.floatValue
return self
}
private func priorityRequired() -> ConstraintDescription {
return self.priority(1000.0)
}
private func priorityHigh() -> ConstraintDescription {
return self.priority(750.0)
}
private func priorityMedium() -> ConstraintDescription {
#if os(iOS) || os(tvOS)
return self.priority(500.0)
#else
return self.priority(501.0)
#endif
}
private func priorityLow() -> ConstraintDescription {
return self.priority(250.0)
}
// MARK: Constraint
internal var constraint: Constraint {
if self.concreteConstraint == nil {
if self.relation == nil {
fatalError("Attempting to create a constraint from a ConstraintDescription before it has been fully chained.")
}
self.concreteConstraint = ConcreteConstraint(
fromItem: self.fromItem,
toItem: self.toItem,
relation: self.relation!,
constant: self.constant,
multiplier: self.multiplier,
priority: self.priority,
location: self.location
)
} }
return self.concreteConstraint! let from = ConstraintItem(target: self.view, attributes: self.attributes)
}
// MARK: Private
private let fromItem: ConstraintItem
private var toItem: ConstraintItem {
willSet {
if self.concreteConstraint != nil {
fatalError("Attempting to modify a ConstraintDescription after its constraint has been created.")
}
}
}
private var relation: ConstraintRelation? {
willSet {
if self.concreteConstraint != nil {
fatalError("Attempting to modify a ConstraintDescription after its constraint has been created.")
}
}
}
private var constant: Any = Float(0.0) {
willSet {
if self.concreteConstraint != nil {
fatalError("Attempting to modify a ConstraintDescription after its constraint has been created.")
}
}
}
private var multiplier: Float = 1.0 {
willSet {
if self.concreteConstraint != nil {
fatalError("Attempting to modify a ConstraintDescription after its constraint has been created.")
}
}
}
private var priority: Float = 1000.0 {
willSet {
if self.concreteConstraint != nil {
fatalError("Attempting to modify a ConstraintDescription after its constraint has been created.")
}
}
}
private var concreteConstraint: ConcreteConstraint? = nil
private func addConstraint(attributes: ConstraintAttributes) -> ConstraintDescription {
if self.relation == nil {
self.fromItem.attributes += attributes
}
return self
}
private func constrainTo(other: RelationTarget, relation: ConstraintRelation, location: SourceLocation) -> ConstraintDescription {
self.location = location return Constraint(
from: from,
if let constant = other as? FloatConvertible { to: related,
self.constant = constant.floatValue relation: relation,
} sourceLocation: sourceLocation,
multiplier: self.multiplier,
let item = other.constraintItem constant: self.constant,
priority: self.priority
if item.attributes != ConstraintAttributes.None { )
let toLayoutAttributes = item.attributes.layoutAttributes
if toLayoutAttributes.count > 1 {
let fromLayoutAttributes = self.fromItem.attributes.layoutAttributes
if toLayoutAttributes != fromLayoutAttributes {
NSException(name: "Invalid Constraint", reason: "Cannot constrain to multiple non identical attributes", userInfo: nil).raise()
return self
}
item.attributes = ConstraintAttributes.None
}
}
self.toItem = item
self.relation = relation
return self
} }
@available(iOS 7.0, *) // MARK: Initialization
private func constrainTo(other: LayoutSupport, relation: ConstraintRelation, location: SourceLocation) -> ConstraintDescription {
return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation, location: location) internal init(view: ConstraintView, attributes: ConstraintAttributes) {
self.view = view
self.attributes = attributes
} }
} }

38
Source/EdgeInsets.swift → Source/ConstraintInsetTarget.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,17 +22,29 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
public typealias EdgeInsets = UIEdgeInsets
public func EdgeInsetsMake(top: CGFloat, left: CGFloat, bottom: CGFloat, right: CGFloat) -> EdgeInsets {
return EdgeInsets(top: top, left: left, bottom: bottom, right: right)
}
public let EdgeInsetsZero = EdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
#else #else
import AppKit import AppKit
public typealias EdgeInsets = NSEdgeInsets
public func EdgeInsetsMake(top: CGFloat, left: CGFloat, bottom: CGFloat, right: CGFloat) -> EdgeInsets {
return EdgeInsets(top: top, left: left, bottom: bottom, right: right)
}
public let EdgeInsetsZero = EdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
#endif #endif
public protocol ConstraintInsetTarget: ConstraintConstantTarget {
}
extension Int: ConstraintInsetTarget {
}
extension UInt: ConstraintInsetTarget {
}
extension Float: ConstraintInsetTarget {
}
extension Double: ConstraintInsetTarget {
}
extension CGFloat: ConstraintInsetTarget {
}
extension ConstraintInsets: ConstraintInsetTarget {
}

35
Source/ConstraintInsets.swift Normal file
View File

@ -0,0 +1,35 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
#if os(iOS) || os(tvOS)
public typealias ConstraintInsets = UIEdgeInsets
#else
public typealias ConstraintInsets = NSEdgeInsets
#endif

57
Source/ConstraintItem.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,47 +22,44 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to assist in building a constraint public class ConstraintItem: Equatable {
*/
public class ConstraintItem {
internal init(object: AnyObject?, attributes: ConstraintAttributes) { internal weak var target: AnyObject?
self.object = object internal let attributes: ConstraintAttributes
internal init(target: AnyObject?, attributes: ConstraintAttributes) {
self.target = target
self.attributes = attributes self.attributes = attributes
} }
internal weak var object: AnyObject? internal var view: ConstraintView? {
internal var attributes: ConstraintAttributes return self.target as? ConstraintView
internal var view: View? {
return self.object as? View
} }
@available(iOS 7.0, *) internal var layoutSupport: ConstraintLayoutSupport? {
internal var layoutSupport: LayoutSupport? { return self.target as? ConstraintLayoutSupport
return self.object as? LayoutSupport
} }
} }
public func ==(lhs: ConstraintItem, rhs: ConstraintItem) -> Bool {
internal func ==(left: ConstraintItem, right: ConstraintItem) -> Bool { // pointer equality
if left.object == nil { guard lhs !== rhs else {
return false return true
} }
if right.object == nil {
return false // must both have valid targets and identical attributes
} guard let target1 = lhs.target,
if left.object !== right.object { let target2 = rhs.target
return false where target1 === target2 && lhs.attributes == rhs.attributes else {
} return false
if left.attributes != right.attributes {
return false
} }
return true return true
} }

20
Source/SourceLocation.swift → Source/ConstraintLayoutSupport.swift
View File

@ -21,16 +21,10 @@
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE. // THE SOFTWARE.
public struct SourceLocation { #if os(iOS) || os(tvOS)
import UIKit
public let file: String internal typealias ConstraintLayoutSupport = UILayoutSupport
public let line: UInt #else
import AppKit
init(file: String, line: UInt) { internal class ConstraintLayoutSupport { }
self.file = file #endif
self.line = line
}
}

221
Source/ConstraintMaker.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,169 +22,160 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to make constraints
*/
public class ConstraintMaker { public class ConstraintMaker {
/// left edge public var left: ConstraintMakerExtendable {
public var left: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Left) } return self.makeExtendableWithAttributes(ConstraintAttributes.Left)
}
public var top: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Top)
}
public var bottom: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Bottom)
}
public var right: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Right)
}
public var leading: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Leading)
}
public var trailing: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Trailing)
}
public var width: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Width)
}
public var height: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Height)
}
/// top edge public var centerX: ConstraintMakerExtendable {
public var top: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Top) } return self.makeExtendableWithAttributes(ConstraintAttributes.CenterX)
}
public var centerY: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.CenterY)
}
public var baseline: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Baseline)
}
/// right edge
public var right: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Right) }
/// bottom edge
public var bottom: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Bottom) }
/// leading edge
public var leading: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Leading) }
/// trailing edge
public var trailing: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Trailing) }
/// width dimension
public var width: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Width) }
/// height dimension
public var height: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Height) }
/// centerX dimension
public var centerX: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterX) }
/// centerY dimension
public var centerY: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterY) }
/// baseline position
public var baseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Baseline) }
/// firse baseline position
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var firstBaseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.FirstBaseline) } public var firstBaseline: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.FirstBaseline)
}
/// left margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var leftMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeftMargin) } public var leftMargin: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.LeftMargin)
}
/// right margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var rightMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.RightMargin) } public var rightMargin: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.RightMargin)
}
/// top margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var topMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TopMargin) } public var bottomMargin: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.BottomMargin)
}
/// bottom margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var bottomMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.BottomMargin) } public var leadingMargin: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.LeadingMargin)
}
/// leading margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var leadingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeadingMargin) } public var trailingMargin: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.TrailingMargin)
}
/// trailing margin
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var trailingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TrailingMargin) } public var centerXWithinMargins: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.CenterXWithinMargins)
}
/// centerX within margins
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var centerXWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterXWithinMargins) } public var centerYWithinMargins: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.CenterYWithinMargins)
}
public var edges: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Edges)
}
public var size: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Size)
}
/// centerY within margins
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var centerYWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterYWithinMargins) } public var margins: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.Margins)
}
/// top + left + bottom + right edges
public var edges: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Edges) }
/// width + height dimensions
public var size: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Size) }
// centerX + centerY positions
public var center: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Center) }
// top + left + bottom + right margins
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var margins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Margins) } public var centerWithinMargins: ConstraintMakerExtendable {
return self.makeExtendableWithAttributes(ConstraintAttributes.CenterWithinMargins)
}
// centerX + centerY within margins private let view: ConstraintView
@available(iOS 8.0, *) private var descriptions = [ConstraintDescription]()
public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
internal init(view: View, location: SourceLocation) { internal init(view: ConstraintView) {
self.view = view self.view = view
self.location = location self.view.translatesAutoresizingMaskIntoConstraints = false
} }
internal let location: SourceLocation internal func makeExtendableWithAttributes(attributes: ConstraintAttributes) -> ConstraintMakerExtendable {
internal let view: View let description = ConstraintDescription(view: self.view, attributes: attributes)
internal var constraintDescriptions = [ConstraintDescription]() self.descriptions.append(description)
return ConstraintMakerExtendable(description)
internal func makeConstraintDescription(attributes: ConstraintAttributes) -> ConstraintDescriptionExtendable {
let item = ConstraintItem(object: self.view, attributes: attributes)
let constraintDescription = ConstraintDescription(fromItem: item)
self.constraintDescriptions.append(constraintDescription)
return ConstraintDescriptionExtendable(constraintDescription)
} }
internal class func prepareConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] { internal static func prepareConstraints(view view: ConstraintView, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
let maker = ConstraintMaker(view: view, location: location) let maker = ConstraintMaker(view: view)
closure(make: maker) closure(make: maker)
let constraints = maker.descriptions
let constraints = maker.constraintDescriptions.map { $0.constraint } .map { $0.constraint }
for constraint in constraints { .filter { $0 != nil }
constraint.makerLocation = maker.location .map { $0! }
}
return constraints return constraints
} }
internal class func makeConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) { internal static func makeConstraints(view view: ConstraintView, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false let maker = ConstraintMaker(view: view)
let maker = ConstraintMaker(view: view, location: location)
closure(make: maker) closure(make: maker)
let constraints = maker.descriptions
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint } .map { $0.constraint }
.filter { $0 != nil }
.map { $0! }
for constraint in constraints { for constraint in constraints {
constraint.makerLocation = maker.location constraint.installIfNeeded()
constraint.installOnView(updateExisting: false)
} }
} }
internal class func remakeConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) { internal static func remakeConstraints(view view: ConstraintView, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false
let maker = ConstraintMaker(view: view, location: location)
closure(make: maker)
self.removeConstraints(view: view) self.removeConstraints(view: view)
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint } self.makeConstraints(view: view, closure: closure)
for constraint in constraints {
constraint.makerLocation = maker.location
constraint.installOnView(updateExisting: false)
}
} }
internal class func updateConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) { internal static func updateConstraints(view view: ConstraintView, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false let maker = ConstraintMaker(view: view)
let maker = ConstraintMaker(view: view, location: location)
closure(make: maker) closure(make: maker)
let constraints = maker.descriptions
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint} .map { $0.constraint }
.filter { $0 != nil }
.map { $0! }
for constraint in constraints { for constraint in constraints {
constraint.makerLocation = maker.location constraint.installIfNeeded(updateExisting: true)
constraint.installOnView(updateExisting: true)
} }
} }
internal class func removeConstraints(view view: View) { internal static func removeConstraints(view view: ConstraintView) {
for existingLayoutConstraint in view.snp_installedLayoutConstraints {
existingLayoutConstraint.snp_constraint?.uninstall()
}
} }
} }

71
Source/ConstraintMakerEditable.swift Normal file
View File

@ -0,0 +1,71 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public class ConstraintMakerEditable: ConstraintMakerPriortizable {
public func multipliedBy(amount: ConstraintMultiplierTarget) -> ConstraintMakerEditable {
self.description.multiplier = amount
return self
}
public func dividedBy(amount: ConstraintMultiplierTarget) -> ConstraintMakerEditable {
return self.multipliedBy(1.0 / amount.constraintMultiplierTargetValue)
}
public func offset(amount: ConstraintOffsetTarget) -> ConstraintMakerEditable {
self.description.constant = amount
return self
}
public func inset(amount: ConstraintInsetTarget) -> ConstraintMakerEditable {
let insets: ConstraintInsets
if let amount = amount as? ConstraintInsets {
insets = amount
} else if let amount = amount as? Float {
insets = ConstraintInsets(top: CGFloat(amount), left: CGFloat(amount), bottom: CGFloat(amount), right: CGFloat(amount))
} else if let amount = amount as? Double {
insets = ConstraintInsets(top: CGFloat(amount), left: CGFloat(amount), bottom: CGFloat(amount), right: CGFloat(amount))
} else if let amount = amount as? CGFloat {
insets = ConstraintInsets(top: amount, left: amount, bottom: amount, right: amount)
} else if let amount = amount as? Int {
insets = ConstraintInsets(top: CGFloat(amount), left: CGFloat(amount), bottom: CGFloat(amount), right: CGFloat(amount))
} else if let amount = amount as? UInt {
insets = ConstraintInsets(top: CGFloat(amount), left: CGFloat(amount), bottom: CGFloat(amount), right: CGFloat(amount))
} else {
insets = ConstraintInsets(top: 0, left: 0, bottom: 0, right: 0)
}
self.description.constant = ConstraintInsets(top: insets.top, left: insets.left, bottom: -insets.bottom, right: -insets.right)
return self
}
}

157
Source/ConstraintMakerExtendable.swift Normal file
View File

@ -0,0 +1,157 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public class ConstraintMakerExtendable: ConstraintMakerRelatable {
public var left: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Left
return self
}
public var top: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Top
return self
}
public var bottom: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Bottom
return self
}
public var right: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Right
return self
}
public var leading: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Leading
return self
}
public var trailing: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Trailing
return self
}
public var width: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Width
return self
}
public var height: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Height
return self
}
public var centerX: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.CenterX
return self
}
public var centerY: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.CenterY
return self
}
public var baseline: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Baseline
return self
}
@available(iOS 8.0, *)
public var firstBaseline: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.FirstBaseline
return self
}
@available(iOS 8.0, *)
public var leftMargin: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.LeftMargin
return self
}
@available(iOS 8.0, *)
public var rightMargin: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.RightMargin
return self
}
@available(iOS 8.0, *)
public var bottomMargin: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.BottomMargin
return self
}
@available(iOS 8.0, *)
public var leadingMargin: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.LeadingMargin
return self
}
@available(iOS 8.0, *)
public var trailingMargin: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.TrailingMargin
return self
}
@available(iOS 8.0, *)
public var centerXWithinMargins: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.CenterXWithinMargins
return self
}
@available(iOS 8.0, *)
public var centerYWithinMargins: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.CenterYWithinMargins
return self
}
public var edges: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Edges
return self
}
public var size: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Size
return self
}
@available(iOS 8.0, *)
public var margins: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.Margins
return self
}
@available(iOS 8.0, *)
public var centerWithinMargins: ConstraintMakerExtendable {
self.description.attributes += ConstraintAttributes.CenterWithinMargins
return self
}
}

43
Source/ConstraintMakerFinalizable.swift Normal file
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@ -0,0 +1,43 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public class ConstraintMakerFinalizable {
internal let description: ConstraintDescription
internal init(_ description: ConstraintDescription) {
self.description = description
}
public var constraint: Constraint {
return self.description.constraint!
}
}

43
Source/ViewController+SnapKit.swift → Source/ConstraintMakerPriortizable.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,24 +22,37 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else
import AppKit
#endif
/**
Used to expose public API on view controllers public class ConstraintMakerPriortizable: ConstraintMakerFinalizable {
*/
public extension UIViewController {
/// top layout guide top public func priority(amount: ConstraintPriorityTarget) -> ConstraintMakerFinalizable {
public var snp_topLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Top) } self.description.priority = amount
return self
}
/// top layout guide bottom public func priorityRequired() -> ConstraintMakerFinalizable {
public var snp_topLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.topLayoutGuide, attributes: ConstraintAttributes.Bottom) } return self.priority(1000)
}
/// bottom layout guide top public func priorityHigh() -> ConstraintMakerFinalizable {
public var snp_bottomLayoutGuideTop: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Top) } return self.priority(750)
}
/// bottom layout guide bottom public func priorityMedium() -> ConstraintMakerFinalizable {
public var snp_bottomLayoutGuideBottom: ConstraintItem { return ConstraintItem(object: self.bottomLayoutGuide, attributes: ConstraintAttributes.Bottom) } #if os(iOS) || os(tvOS)
return self.priority(500)
#else
return self.priority(501)
#endif
}
public func priorityLow() -> ConstraintMakerFinalizable {
return self.priority(250)
}
} }
#endif

82
Source/ConstraintMakerRelatable.swift Normal file
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@ -0,0 +1,82 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public class ConstraintMakerRelatable {
internal let description: ConstraintDescription
internal init(_ description: ConstraintDescription) {
self.description = description
}
internal func relatedTo(other: ConstraintRelatableTarget, relation: ConstraintRelation, file: String, line: UInt) -> ConstraintMakerEditable {
let related: ConstraintItem
let constant: ConstraintConstantTarget
if let other = other as? ConstraintItem {
guard other.attributes == ConstraintAttributes.None ||
other.attributes.layoutAttributes.count <= 1 ||
other.attributes.layoutAttributes == self.description.attributes.layoutAttributes else {
fatalError("Cannot constraint to multiple non identical attributes. (\(file), \(line))");
}
related = other
constant = 0.0
} else if let other = other as? ConstraintView {
related = ConstraintItem(target: other, attributes: ConstraintAttributes.None)
constant = 0.0
} else if let other = other as? ConstraintConstantTarget {
related = ConstraintItem(target: nil, attributes: ConstraintAttributes.None)
constant = other
} else {
fatalError("Invalid constraint. (\(file), \(line))")
}
let editable = ConstraintMakerEditable(self.description)
editable.description.sourceLocation = (file, line)
editable.description.relation = relation
editable.description.related = related
editable.description.constant = constant
return editable
}
public func equalTo(other: ConstraintRelatableTarget, _ file: String = __FILE__, _ line: UInt = __LINE__) -> ConstraintMakerEditable {
return self.relatedTo(other, relation: .Equal, file: file, line: line)
}
public func lessThanOrEqualTo(other: ConstraintRelatableTarget, _ file: String = __FILE__, _ line: UInt = __LINE__) -> ConstraintMakerEditable {
return self.relatedTo(other, relation: .LessThanOrEqual, file: file, line: line)
}
public func greaterThanOrEqualTo(other: ConstraintRelatableTarget, _ file: String = __FILE__, line: UInt = __LINE__) -> ConstraintMakerEditable {
return self.relatedTo(other, relation: .GreaterThanOrEqual, file: file, line: line)
}
}

79
Source/ConstraintMultiplierTarget.swift Normal file
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@ -0,0 +1,79 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public protocol ConstraintMultiplierTarget {
var constraintMultiplierTargetValue: CGFloat { get }
}
extension Int: ConstraintMultiplierTarget {
public var constraintMultiplierTargetValue: CGFloat {
return CGFloat(self)
}
}
extension UInt: ConstraintMultiplierTarget {
public var constraintMultiplierTargetValue: CGFloat {
return CGFloat(self)
}
}
extension Float: ConstraintMultiplierTarget {
public var constraintMultiplierTargetValue: CGFloat {
return CGFloat(self)
}
}
extension Double: ConstraintMultiplierTarget {
public var constraintMultiplierTargetValue: CGFloat {
return CGFloat(self)
}
}
extension CGFloat: ConstraintMultiplierTarget {
public var constraintMultiplierTargetValue: CGFloat {
return self
}
}
internal func ==(lhs: ConstraintMultiplierTarget, rhs: ConstraintMultiplierTarget) -> Bool {
return lhs.constraintMultiplierTargetValue == rhs.constraintMultiplierTargetValue
}

47
Source/ConstraintOffsetTarget.swift Normal file
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@ -0,0 +1,47 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public protocol ConstraintOffsetTarget: ConstraintConstantTarget {
}
extension Int: ConstraintOffsetTarget {
}
extension UInt: ConstraintOffsetTarget {
}
extension Float: ConstraintOffsetTarget {
}
extension Double: ConstraintOffsetTarget {
}
extension CGFloat: ConstraintOffsetTarget {
}

79
Source/ConstraintPriorityTarget.swift Normal file
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@ -0,0 +1,79 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public protocol ConstraintPriorityTarget {
var constraintPriorityTargetValue: Float { get }
}
extension Int: ConstraintPriorityTarget {
public var constraintPriorityTargetValue: Float {
return Float(self)
}
}
extension UInt: ConstraintPriorityTarget {
public var constraintPriorityTargetValue: Float {
return Float(self)
}
}
extension Float: ConstraintPriorityTarget {
public var constraintPriorityTargetValue: Float {
return self
}
}
extension Double: ConstraintPriorityTarget {
public var constraintPriorityTargetValue: Float {
return Float(self)
}
}
extension CGFloat: ConstraintPriorityTarget {
public var constraintPriorityTargetValue: Float {
return Float(self)
}
}
internal func ==(lhs: ConstraintPriorityTarget, rhs: ConstraintPriorityTarget) -> Bool {
return lhs.constraintPriorityTargetValue == rhs.constraintPriorityTargetValue
}

62
Source/ConstraintRelatableTarget.swift Normal file
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@ -0,0 +1,62 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public protocol ConstraintRelatableTarget {
}
extension Int: ConstraintRelatableTarget {
}
extension UInt: ConstraintRelatableTarget {
}
extension Float: ConstraintRelatableTarget {
}
extension Double: ConstraintRelatableTarget {
}
extension CGFloat: ConstraintRelatableTarget {
}
extension CGSize: ConstraintRelatableTarget {
}
extension CGPoint: ConstraintRelatableTarget {
}
extension ConstraintInsets: ConstraintRelatableTarget {
}
extension ConstraintItem: ConstraintRelatableTarget {
}
extension ConstraintView: ConstraintRelatableTarget {
}

26
Source/ConstraintRelation.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,27 +22,27 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to define `NSLayoutRelation`
*/
internal enum ConstraintRelation: Int { internal enum ConstraintRelation: Int {
case Equal = 1, LessThanOrEqualTo, GreaterThanOrEqualTo case Equal = 1
case LessThanOrEqual
case GreaterThanOrEqual
internal var layoutRelation: NSLayoutRelation { internal var layoutRelation: NSLayoutRelation {
get { get {
switch(self) { switch(self) {
case .LessThanOrEqualTo: case .Equal:
return .LessThanOrEqual
case .GreaterThanOrEqualTo:
return .GreaterThanOrEqual
default:
return .Equal return .Equal
case .LessThanOrEqual:
return .LessThanOrEqual
case .GreaterThanOrEqual:
return .GreaterThanOrEqual
} }
} }
} }
} }

137
Source/ConstraintView+Extensions.swift Normal file
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@ -0,0 +1,137 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public extension ConstraintView {
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_left: ConstraintItem { return self.snp.left }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_top: ConstraintItem { return self.snp.top }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_right: ConstraintItem { return self.snp.right }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_bottom: ConstraintItem { return self.snp.bottom }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_leading: ConstraintItem { return self.snp.leading }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_trailing: ConstraintItem { return self.snp.trailing }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_width: ConstraintItem { return self.snp.width }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_height: ConstraintItem { return self.snp.height }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_centerX: ConstraintItem { return self.snp.centerX }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_centerY: ConstraintItem { return self.snp.centerY }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_baseline: ConstraintItem { return self.snp.baseline }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_firstBaseline: ConstraintItem { return self.snp.firstBaseline }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_leftMargin: ConstraintItem { return self.snp.leftMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_topMargin: ConstraintItem { return self.snp.topMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_rightMargin: ConstraintItem { return self.snp.rightMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_bottomMargin: ConstraintItem { return self.snp.bottomMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_leadingMargin: ConstraintItem { return self.snp.leadingMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_trailingMargin: ConstraintItem { return self.snp.trailingMargin }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_centerXWithinMargins: ConstraintItem { return self.snp.centerXWithinMargins }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_centerYWithinMargins: ConstraintItem { return self.snp.centerYWithinMargins }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_edges: ConstraintItem { return self.snp.edges }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_size: ConstraintItem { return self.snp.size }
@available(*, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_center: ConstraintItem { return self.snp.center }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_margins: ConstraintItem { return self.snp.margins }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var snp_centerWithinMargins: ConstraintItem { return self.snp.centerWithinMargins }
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public func snp_prepareConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
return self.snp.prepareConstraints(closure: closure)
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public func snp_makeConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
self.snp.makeConstraints(closure: closure)
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public func snp_remakeConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
self.snp.remakeConstraints(closure: closure)
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public func snp_updateConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
self.snp.updateConstraints(closure: closure)
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public func snp_removeConstraints() {
self.snp.removeConstraints()
}
public var snp: ConstraintViewDSL {
return ConstraintViewDSL(view: self)
}
}

35
Source/ConstraintView.swift Normal file
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@ -0,0 +1,35 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
#if os(iOS) || os(tvOS)
public typealias ConstraintView = UIView
#else
public typealias ConstraintView = NSView
#endif

56
Source/ConstraintViewController+Extensions.swift Normal file
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@ -0,0 +1,56 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
public extension ConstraintViewController {
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var topLayoutGuideTop: ConstraintItem {
return self.snp.topLayoutGuideTop
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var topLayoutGuideBottom: ConstraintItem {
return self.snp.topLayoutGuideBottom
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var bottomLayoutGuideTop: ConstraintItem {
return self.snp.bottomLayoutGuideTop
}
@available(iOS, deprecated=0.20.0, message="Please use newer snp.* syntax.")
public var bottomLayoutGuideBottom: ConstraintItem {
return self.snp.bottomLayoutGuideBottom
}
public var snp: ConstraintViewControllerDSL {
return ConstraintViewControllerDSL(viewController: self)
}
}
#endif

35
Source/ConstraintViewController.swift Normal file
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@ -0,0 +1,35 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
#if os(iOS) || os(tvOS)
public typealias ConstraintViewController = UIViewController
#else
public typealias ConstraintViewController = NSViewController
#endif

58
Source/ConstraintViewControllerDSL.swift Normal file
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@ -0,0 +1,58 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
public struct ConstraintViewControllerDSL {
@available(iOS 7.0, *)
public var topLayoutGuideTop: ConstraintItem {
return ConstraintItem(target: self.viewController.topLayoutGuide, attributes: ConstraintAttributes.Top)
}
@available(iOS 7.0, *)
public var topLayoutGuideBottom: ConstraintItem {
return ConstraintItem(target: self.viewController.topLayoutGuide, attributes: ConstraintAttributes.Bottom)
}
@available(iOS 7.0, *)
public var bottomLayoutGuideTop: ConstraintItem {
return ConstraintItem(target: self.viewController.bottomLayoutGuide, attributes: ConstraintAttributes.Top)
}
@available(iOS 7.0, *)
public var bottomLayoutGuideBottom: ConstraintItem {
return ConstraintItem(target: self.viewController.bottomLayoutGuide, attributes: ConstraintAttributes.Bottom)
}
internal let viewController: ConstraintViewController
internal init(viewController: ConstraintViewController) {
self.viewController = viewController
}
}
#endif

196
Source/ConstraintViewDSL.swift Normal file
View File

@ -0,0 +1,196 @@
//
// SnapKit
//
// Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
#else
import AppKit
#endif
public struct ConstraintViewDSL {
public var left: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Left)
}
public var top: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Top)
}
public var right: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Right)
}
public var bottom: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Bottom)
}
public var leading: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Leading)
}
public var trailing: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Trailing)
}
public var width: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Width)
}
public var height: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Height)
}
public var centerX: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.CenterX)
}
public var centerY: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.CenterY)
}
public var baseline: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Baseline)
}
@available(iOS 8.0, *)
public var firstBaseline: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.FirstBaseline)
}
@available(iOS 8.0, *)
public var leftMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.LeftMargin)
}
@available(iOS 8.0, *)
public var topMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.TopMargin)
}
@available(iOS 8.0, *)
public var rightMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.RightMargin)
}
@available(iOS 8.0, *)
public var bottomMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.BottomMargin)
}
@available(iOS 8.0, *)
public var leadingMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.LeadingMargin)
}
@available(iOS 8.0, *)
public var trailingMargin: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.TrailingMargin)
}
@available(iOS 8.0, *)
public var centerXWithinMargins: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.CenterXWithinMargins)
}
@available(iOS 8.0, *)
public var centerYWithinMargins: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.CenterYWithinMargins)
}
public var edges: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Edges)
}
public var size: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Size)
}
public var center: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Center)
}
@available(iOS 8.0, *)
public var margins: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.Margins)
}
@available(iOS 8.0, *)
public var centerWithinMargins: ConstraintItem {
return ConstraintItem(target: self.view, attributes: ConstraintAttributes.CenterWithinMargins)
}
public func prepareConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
return ConstraintMaker.prepareConstraints(view: self.view, closure: closure)
}
public func makeConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.makeConstraints(view: self.view, closure: closure)
}
public func remakeConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.remakeConstraints(view: self.view, closure: closure)
}
public func updateConstraints(@noescape closure closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.updateConstraints(view: self.view, closure: closure)
}
public func removeConstraints() {
ConstraintMaker.removeConstraints(view: self.view)
}
public var label: String? {
get {
return objc_getAssociatedObject(self.view, &labelKey) as? String
}
set {
objc_setAssociatedObject(self.view, &labelKey, newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)
}
}
internal let view: ConstraintView
internal init(view: ConstraintView) {
self.view = view
}
internal var installedLayoutConstraints: [LayoutConstraint] {
return objc_getAssociatedObject(self.view, &installedLayoutConstraintsKey) as? [LayoutConstraint] ?? []
}
internal func appendInstalledLayoutConstraints(layoutConstraints: [LayoutConstraint]) {
var newValue = self.installedLayoutConstraints
newValue += layoutConstraints
objc_setAssociatedObject(self.view, &installedLayoutConstraintsKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
internal func removeInstalledLayoutConstraints(layoutConstraints: [LayoutConstraint]) {
let newValue = self.installedLayoutConstraints.filter { !layoutConstraints.contains($0) }
objc_setAssociatedObject(self.view, &installedLayoutConstraintsKey, newValue, .OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
private var labelKey: UInt8 = 0
private var installedLayoutConstraintsKey: UInt8 = 0

123
Source/Debugging.swift
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@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,41 +22,13 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to allow adding a snp_label to a View for debugging purposes
*/
public extension View {
public var snp_label: String? {
get {
return objc_getAssociatedObject(self, &labelKey) as? String
}
set {
objc_setAssociatedObject(self, &labelKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_COPY_NONATOMIC)
}
}
}
/**
Used to allow adding a snp_label to a LayoutConstraint for debugging purposes
*/
public extension LayoutConstraint { public extension LayoutConstraint {
public var snp_label: String? {
get {
return objc_getAssociatedObject(self, &labelKey) as? String
}
set {
objc_setAssociatedObject(self, &labelKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_COPY_NONATOMIC)
}
}
override public var description: String { override public var description: String {
var description = "<" var description = "<"
@ -64,17 +36,17 @@ public extension LayoutConstraint {
description += " \(descriptionForObject(self.firstItem))" description += " \(descriptionForObject(self.firstItem))"
if self.firstAttribute != .NotAnAttribute { if self.firstAttribute != .NotAnAttribute {
description += ".\(self.firstAttribute.snp_description)" description += ".\(descriptionForAttribute(self.firstAttribute))"
} }
description += " \(self.relation.snp_description)" description += " \(descriptionForRelation(self.relation))"
if let secondItem: AnyObject = self.secondItem { if let secondItem: AnyObject = self.secondItem {
description += " \(descriptionForObject(secondItem))" description += " \(descriptionForObject(secondItem))"
} }
if self.secondAttribute != .NotAnAttribute { if self.secondAttribute != .NotAnAttribute {
description += ".\(self.secondAttribute.snp_description)" description += ".\(descriptionForAttribute(self.secondAttribute))"
} }
if self.multiplier != 1.0 { if self.multiplier != 1.0 {
@ -100,57 +72,19 @@ public extension LayoutConstraint {
return description return description
} }
internal var snp_makerFile: String? {
return self.snp_constraint?.makerLocation.file
}
internal var snp_makerLine: UInt? {
return self.snp_constraint?.makerLocation.line
}
} }
private var labelKey = "" private func descriptionForRelation(relation: NSLayoutRelation) -> String {
switch relation {
private func descriptionForObject(object: AnyObject) -> String { case .Equal: return "=="
let pointerDescription = NSString(format: "%p", ObjectIdentifier(object).uintValue) case .GreaterThanOrEqual: return ">="
var desc = "" case .LessThanOrEqual: return "<="
desc += object.dynamicType.description()
if let object = object as? View {
desc += ":\(object.snp_label ?? pointerDescription)"
} else if let object = object as? LayoutConstraint {
desc += ":\(object.snp_label ?? pointerDescription)"
} else {
desc += ":\(pointerDescription)"
} }
if let object = object as? LayoutConstraint, let file = object.snp_makerFile, let line = object.snp_makerLine {
desc += "@\(file)#\(line)"
}
desc += ""
return desc
} }
private extension NSLayoutRelation { private func descriptionForAttribute(attribute: NSLayoutAttribute) -> String {
#if os(iOS) || os(tvOS)
private var snp_description: String { switch attribute {
switch self {
case .Equal: return "=="
case .GreaterThanOrEqual: return ">="
case .LessThanOrEqual: return "<="
}
}
}
private extension NSLayoutAttribute {
private var snp_description: String {
#if os(iOS) || os(tvOS)
switch self {
case .NotAnAttribute: return "notAnAttribute" case .NotAnAttribute: return "notAnAttribute"
case .Top: return "top" case .Top: return "top"
case .Left: return "left" case .Left: return "left"
@ -173,8 +107,8 @@ private extension NSLayoutAttribute {
case .CenterXWithinMargins: return "centerXWithinMargins" case .CenterXWithinMargins: return "centerXWithinMargins"
case .CenterYWithinMargins: return "centerYWithinMargins" case .CenterYWithinMargins: return "centerYWithinMargins"
} }
#else #else
switch self { switch attribute {
case .NotAnAttribute: return "notAnAttribute" case .NotAnAttribute: return "notAnAttribute"
case .Top: return "top" case .Top: return "top"
case .Left: return "left" case .Left: return "left"
@ -189,8 +123,27 @@ private extension NSLayoutAttribute {
case .Baseline: return "baseline" case .Baseline: return "baseline"
default: return "default" default: return "default"
} }
#endif #endif
}
private func descriptionForObject(object: AnyObject) -> String {
let pointerDescription = NSString(format: "%p", ObjectIdentifier(object).uintValue)
var desc = ""
desc += object.dynamicType.description()
if let object = object as? ConstraintView {
desc += ":\(object.snp.label ?? pointerDescription)"
} else if let object = object as? LayoutConstraint {
desc += ":\(object.label ?? pointerDescription)"
} else {
desc += ":\(pointerDescription)"
} }
} if let object = object as? LayoutConstraint, let file = object.constraint?.sourceLocation.0, let line = object.constraint?.sourceLocation.1 {
desc += "@\((file as NSString).lastPathComponent)#\(line)"
}
desc += ""
return desc
}

45
Source/LayoutConstraint.swift
View File

@ -1,7 +1,7 @@
// //
// SnapKit // SnapKit
// //
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit // Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal // of this software and associated documentation files (the "Software"), to deal
@ -22,45 +22,28 @@
// THE SOFTWARE. // THE SOFTWARE.
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
import UIKit import UIKit
#else #else
import AppKit import AppKit
#endif #endif
/**
Used to add extra information to the actual `NSLayoutConstraint`'s that will UIKit/AppKit will utilize
*/
public class LayoutConstraint: NSLayoutConstraint { public class LayoutConstraint: NSLayoutConstraint {
internal var snp_constraint: Constraint? = nil internal var constraint: Constraint? = nil
public var label: String? = nil
public var snp_location: SourceLocation? {
return snp_constraint?.location
}
} }
internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool { internal func ==(lhs: LayoutConstraint, rhs: LayoutConstraint) -> Bool {
if left.firstItem !== right.firstItem { guard lhs.firstItem === rhs.firstItem &&
return false lhs.secondItem === rhs.secondItem &&
} lhs.firstAttribute == rhs.firstAttribute &&
if left.secondItem !== right.secondItem { lhs.secondAttribute == rhs.secondAttribute &&
return false lhs.relation == rhs.relation &&
} lhs.priority == rhs.priority &&
if left.firstAttribute != right.firstAttribute { lhs.multiplier == rhs.multiplier else {
return false
}
if left.secondAttribute != right.secondAttribute {
return false
}
if left.relation != right.relation {
return false
}
if left.priority != right.priority {
return false
}
if left.multiplier != right.multiplier {
return false return false
} }
return true return true
} }

183
Source/View+SnapKit.swift
View File

@ -1,183 +0,0 @@
//
// SnapKit
//
// Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if os(iOS) || os(tvOS)
import UIKit
public typealias View = UIView
#else
import AppKit
public typealias View = NSView
#endif
/**
Used to expose public API on views
*/
public extension View {
/// left edge
public var snp_left: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Left) }
/// top edge
public var snp_top: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Top) }
/// right edge
public var snp_right: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Right) }
/// bottom edge
public var snp_bottom: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Bottom) }
/// leading edge
public var snp_leading: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Leading) }
/// trailing edge
public var snp_trailing: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Trailing) }
/// width dimension
public var snp_width: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Width) }
/// height dimension
public var snp_height: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Height) }
/// centerX position
public var snp_centerX: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterX) }
/// centerY position
public var snp_centerY: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterY) }
/// baseline position
public var snp_baseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Baseline) }
/// first baseline position
@available(iOS 8.0, *)
public var snp_firstBaseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.FirstBaseline) }
/// left margin
@available(iOS 8.0, *)
public var snp_leftMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeftMargin) }
/// right margin
@available(iOS 8.0, *)
public var snp_rightMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.RightMargin) }
/// top margin
@available(iOS 8.0, *)
public var snp_topMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TopMargin) }
/// bottom margin
@available(iOS 8.0, *)
public var snp_bottomMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.BottomMargin) }
/// leading margin
@available(iOS 8.0, *)
public var snp_leadingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeadingMargin) }
/// trailing margin
@available(iOS 8.0, *)
public var snp_trailingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TrailingMargin) }
/// centerX within margins
@available(iOS 8.0, *)
public var snp_centerXWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterXWithinMargins) }
/// centerY within margins
@available(iOS 8.0, *)
public var snp_centerYWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterYWithinMargins) }
// top + left + bottom + right edges
public var snp_edges: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Edges) }
// width + height dimensions
public var snp_size: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Size) }
// centerX + centerY positions
public var snp_center: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Center) }
// top + left + bottom + right margins
@available(iOS 8.0, *)
public var snp_margins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Margins) }
// centerX + centerY within margins
@available(iOS 8.0, *)
public var snp_centerWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterWithinMargins) }
/**
Prepares constraints with a `ConstraintMaker` and returns the made constraints but does not install them.
:param: closure that will be passed the `ConstraintMaker` to make the constraints with
:returns: the constraints made
*/
public func snp_prepareConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
return ConstraintMaker.prepareConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
}
/**
Makes constraints with a `ConstraintMaker` and installs them along side any previous made constraints.
:param: closure that will be passed the `ConstraintMaker` to make the constraints with
*/
public func snp_makeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.makeConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
}
/**
Updates constraints with a `ConstraintMaker` that will replace existing constraints that match and install new ones.
For constraints to match only the constant can be updated.
:param: closure that will be passed the `ConstraintMaker` to update the constraints with
*/
public func snp_updateConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.updateConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
}
/**
Remakes constraints with a `ConstraintMaker` that will first remove all previously made constraints and make and install new ones.
:param: closure that will be passed the `ConstraintMaker` to remake the constraints with
*/
public func snp_remakeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.remakeConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
}
/**
Removes all previously made constraints.
*/
public func snp_removeConstraints() {
ConstraintMaker.removeConstraints(view: self)
}
internal var snp_installedLayoutConstraints: [LayoutConstraint] {
get {
if let constraints = objc_getAssociatedObject(self, &installedLayoutConstraintsKey) as? [LayoutConstraint] {
return constraints
}
return []
}
set {
objc_setAssociatedObject(self, &installedLayoutConstraintsKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
}
}
}
private var installedLayoutConstraintsKey = ""

198
Tests/Tests.swift
View File

@ -29,202 +29,4 @@ class SnapKitTests: XCTestCase {
super.tearDown() super.tearDown()
} }
func testLayoutGuideConstraints() {
#if os(iOS) || os(tvOS)
let vc = UIViewController()
vc.view = UIView(frame: CGRectMake(0, 0, 300, 300))
vc.view.addSubview(self.container)
self.container.snp_makeConstraints { (make) -> Void in
make.top.equalTo(vc.snp_topLayoutGuideBottom)
make.bottom.equalTo(vc.snp_bottomLayoutGuideTop)
}
XCTAssertEqual(vc.view.snp_constraints.count, 6, "Should have 6 constraints installed")
#endif
}
func testMakeConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp_makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp_top).offset(50)
make.left.equalTo(v2.snp_top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v2.snp_makeConstraints { (make) -> Void in
make.edges.equalTo(v1)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 6, "Should have 6 constraints installed")
}
func testUpdateConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp_makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp_top).offset(50)
make.left.equalTo(v2.snp_top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp_updateConstraints { (make) -> Void in
make.top.equalTo(v2.snp_top).offset(15)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should still have 2 constraints installed")
}
func testRemakeConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp_makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp_top).offset(50)
make.left.equalTo(v2.snp_top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp_remakeConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
}
func testRemoveConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
v1.snp_makeConstraints { (make) -> Void in
make.top.equalTo(v2.snp_top).offset(50)
make.left.equalTo(v2.snp_top).offset(50)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints installed")
v1.snp_removeConstraints()
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testPrepareConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
let constraints = v1.snp_prepareConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
for constraint in constraints {
constraint.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.uninstall()
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
}
func testReinstallConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
let constraints = v1.snp_prepareConstraints { (make) -> Void in
make.edges.equalTo(v2)
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints installed")
for constraint in constraints {
constraint.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 4 constraints installed")
for constraint in constraints {
constraint.install()
}
XCTAssertEqual(self.container.snp_constraints.count, 4, "Should have 0 constraints installed")
}
func testActivateDeactivateConstraints() {
let v1 = View()
let v2 = View()
self.container.addSubview(v1)
self.container.addSubview(v2)
var c1: Constraint? = nil
var c2: Constraint? = nil
v1.snp_prepareConstraints { (make) -> Void in
c1 = make.top.equalTo(v2.snp_top).offset(50).constraint
c2 = make.left.equalTo(v2.snp_top).offset(50).constraint
return
}
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
c1?.activate()
c2?.activate()
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
c1?.deactivate()
c2?.deactivate()
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
c1?.uninstall()
c2?.uninstall()
XCTAssertEqual(self.container.snp_constraints.count, 0, "Should have 0 constraints")
c1?.activate()
c2?.activate()
XCTAssertEqual(self.container.snp_constraints.count, 2, "Should have 2 constraints")
}
} }