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Merge pull request #163 from aleffert/aleffert/locations 

Add source location information to each constraint
This commit is contained in:
Robert Payne 2015-10-26 19:57:06 +13:00
parent 62e76458ef 7ae143c3ac
commit fdcc715085
8 changed files with 372 additions and 414 deletions
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6
SnapKit.xcodeproj/project.pbxproj
View File

@ -7,6 +7,8 @@
objects = { objects = {
/* Begin PBXBuildFile section */ /* Begin PBXBuildFile section */
779230441BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; settings = {ASSET_TAGS = (); }; };
779230451BCB6FC30027CF5F /* SourceLocation.swift in Sources */ = {isa = PBXBuildFile; fileRef = 779230431BCB6FC30027CF5F /* SourceLocation.swift */; settings = {ASSET_TAGS = (); }; };
EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */; }; EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */; };
EE4910991B19A40200A54F1F /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EEBCC9D819CC627D0083B827 /* SnapKit.framework */; }; EE4910991B19A40200A54F1F /* SnapKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EEBCC9D819CC627D0083B827 /* SnapKit.framework */; };
EE94F6091AC0F10A008767FF /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EE94F6081AC0F10A008767FF /* UIKit.framework */; }; EE94F6091AC0F10A008767FF /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = EE94F6081AC0F10A008767FF /* UIKit.framework */; };
@ -51,6 +53,7 @@
/* End PBXContainerItemProxy section */ /* End PBXContainerItemProxy section */
/* Begin PBXFileReference section */ /* Begin PBXFileReference section */
779230431BCB6FC30027CF5F /* SourceLocation.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = SourceLocation.swift; sourceTree = "<group>"; };
EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ViewController+SnapKit.swift"; sourceTree = "<group>"; }; EE4910971B19A26000A54F1F /* ViewController+SnapKit.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "ViewController+SnapKit.swift"; sourceTree = "<group>"; };
EE94F6081AC0F10A008767FF /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; }; EE94F6081AC0F10A008767FF /* UIKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = UIKit.framework; path = System/Library/Frameworks/UIKit.framework; sourceTree = SDKROOT; };
EE94F60A1AC0F10F008767FF /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/System/Library/Frameworks/AppKit.framework; sourceTree = DEVELOPER_DIR; }; EE94F60A1AC0F10F008767FF /* AppKit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AppKit.framework; path = Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.10.sdk/System/Library/Frameworks/AppKit.framework; sourceTree = DEVELOPER_DIR; };
@ -156,6 +159,7 @@
EEFCF32B1AD910B900A425FA /* Debugging.swift */, EEFCF32B1AD910B900A425FA /* Debugging.swift */,
EECDB3621AC0C95C006BBC11 /* ConstraintRelation.swift */, EECDB3621AC0C95C006BBC11 /* ConstraintRelation.swift */,
EECDB35F1AC0C95C006BBC11 /* ConstraintAttributes.swift */, EECDB35F1AC0C95C006BBC11 /* ConstraintAttributes.swift */,
779230431BCB6FC30027CF5F /* SourceLocation.swift */,
EECDB36B1AC0C967006BBC11 /* Supporting Files */, EECDB36B1AC0C967006BBC11 /* Supporting Files */,
EECDB3681AC0C95C006BBC11 /* Tests */, EECDB3681AC0C95C006BBC11 /* Tests */,
); );
@ -363,6 +367,7 @@
EECDB3711AC0C9A6006BBC11 /* EdgeInsets.swift in Sources */, EECDB3711AC0C9A6006BBC11 /* EdgeInsets.swift in Sources */,
EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */, EE4910981B19A26000A54F1F /* ViewController+SnapKit.swift in Sources */,
EECDB36F1AC0C9A6006BBC11 /* ConstraintMaker.swift in Sources */, EECDB36F1AC0C9A6006BBC11 /* ConstraintMaker.swift in Sources */,
779230441BCB6FC30027CF5F /* SourceLocation.swift in Sources */,
EECDB36D1AC0C9A6006BBC11 /* ConstraintAttributes.swift in Sources */, EECDB36D1AC0C9A6006BBC11 /* ConstraintAttributes.swift in Sources */,
EECDB3721AC0C9A6006BBC11 /* LayoutConstraint.swift in Sources */, EECDB3721AC0C9A6006BBC11 /* LayoutConstraint.swift in Sources */,
EECDB36E1AC0C9A6006BBC11 /* ConstraintItem.swift in Sources */, EECDB36E1AC0C9A6006BBC11 /* ConstraintItem.swift in Sources */,
@ -390,6 +395,7 @@
EECDB39A1AC0CBFF006BBC11 /* EdgeInsets.swift in Sources */, EECDB39A1AC0CBFF006BBC11 /* EdgeInsets.swift in Sources */,
EECDB3981AC0CBFF006BBC11 /* ConstraintMaker.swift in Sources */, EECDB3981AC0CBFF006BBC11 /* ConstraintMaker.swift in Sources */,
EECDB3961AC0CBFF006BBC11 /* ConstraintAttributes.swift in Sources */, EECDB3961AC0CBFF006BBC11 /* ConstraintAttributes.swift in Sources */,
779230451BCB6FC30027CF5F /* SourceLocation.swift in Sources */,
EECDB39B1AC0CBFF006BBC11 /* LayoutConstraint.swift in Sources */, EECDB39B1AC0CBFF006BBC11 /* LayoutConstraint.swift in Sources */,
EECDB3971AC0CBFF006BBC11 /* ConstraintItem.swift in Sources */, EECDB3971AC0CBFF006BBC11 /* ConstraintItem.swift in Sources */,
); );

18
Source/Constraint.swift
View File

@ -58,9 +58,9 @@ public class Constraint {
public func updatePriorityMedium() -> 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.") } public func updatePriorityLow() -> Void { fatalError("Must be implemented by Concrete subclass.") }
internal var makerFile: String = "Unknown" internal var makerLocation: SourceLocation = SourceLocation(file: "Unknown", line: 0)
internal var makerLine: UInt = 0
internal(set) public var location : SourceLocation?
} }
/** /**
@ -130,7 +130,7 @@ internal class ConcreteConstraint: Constraint {
} }
internal override func install() -> [LayoutConstraint] { internal override func install() -> [LayoutConstraint] {
return self.installOnView(updateExisting: false, file: self.makerFile, line: self.makerLine) return self.installOnView(updateExisting: false, location: self.makerLocation)
} }
internal override func uninstall() -> Void { internal override func uninstall() -> Void {
@ -195,21 +195,23 @@ internal class ConcreteConstraint: Constraint {
private var installInfo: ConcreteConstraintInstallInfo? = nil private var installInfo: ConcreteConstraintInstallInfo? = nil
internal init(fromItem: ConstraintItem, toItem: ConstraintItem, relation: ConstraintRelation, constant: Any, multiplier: Float, priority: Float) { internal init(fromItem: ConstraintItem, toItem: ConstraintItem, relation: ConstraintRelation, constant: Any, multiplier: Float, priority: Float, location : SourceLocation?) {
self.fromItem = fromItem self.fromItem = fromItem
self.toItem = toItem self.toItem = toItem
self.relation = relation self.relation = relation
self.constant = constant self.constant = constant
self.multiplier = multiplier self.multiplier = multiplier
self.priority = priority self.priority = priority
super.init()
self.location = location
} }
internal func installOnView(updateExisting updateExisting: Bool = false, file: String? = nil, line: UInt? = nil) -> [LayoutConstraint] { internal func installOnView(updateExisting updateExisting: Bool = false, location: SourceLocation? = nil) -> [LayoutConstraint] {
var installOnView: View? = nil var installOnView: View? = nil
if self.toItem.view != nil { if self.toItem.view != nil {
installOnView = closestCommonSuperviewFromView(self.fromItem.view, toView: self.toItem.view) installOnView = closestCommonSuperviewFromView(self.fromItem.view, toView: self.toItem.view)
if installOnView == nil { if installOnView == nil {
NSException(name: "Cannot Install Constraint", reason: "No common superview between views (@\(self.makerFile)#\(self.makerLine))", userInfo: nil).raise() NSException(name: "Cannot Install Constraint", reason: "No common superview between views (@\(self.makerLocation.file)#\(self.makerLocation.line))", userInfo: nil).raise()
return [] return []
} }
} else { } else {
@ -219,7 +221,7 @@ internal class ConcreteConstraint: Constraint {
} else { } else {
installOnView = self.fromItem.view?.superview installOnView = self.fromItem.view?.superview
if installOnView == nil { if installOnView == nil {
NSException(name: "Cannot Install Constraint", reason: "Missing superview (@\(self.makerFile)#\(self.makerLine))", userInfo: nil).raise() NSException(name: "Cannot Install Constraint", reason: "Missing superview (@\(self.makerLocation.file)#\(self.self.makerLocation.line))", userInfo: nil).raise()
return [] return []
} }
} }
@ -227,7 +229,7 @@ internal class ConcreteConstraint: Constraint {
if let installedOnView = self.installInfo?.view { if let installedOnView = self.installInfo?.view {
if installedOnView != installOnView { if installedOnView != installOnView {
NSException(name: "Cannot Install Constraint", reason: "Already installed on different view. (@\(self.makerFile)#\(self.makerLine))", userInfo: nil).raise() NSException(name: "Cannot Install Constraint", reason: "Already installed on different view. (@\(self.makerLocation.file)#\(self.makerLocation.line))", userInfo: nil).raise()
return [] return []
} }
return self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint] ?? [] return self.installInfo?.layoutConstraints.allObjects as? [LayoutConstraint] ?? []

663
Source/ConstraintDescription.swift
View File

@ -27,189 +27,318 @@ import UIKit
import AppKit import AppKit
#endif #endif
// Type of object that can be a target of relation constraint.
// Doesn't cover system protocols which can't be extended with additional conformances.
public protocol RelationTarget {
var constraintItem : ConstraintItem { get }
}
// Type of things that can be converted to floats. Used to provide a catch all for
// different numeric types.
public protocol FloatConvertible : RelationTarget {
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 Used to expose the final API of a `ConstraintDescription` which allows getting a constraint from it
*/ */
public protocol ConstraintDescriptionFinalizable: class { public class ConstraintDescriptionFinalizable {
var constraint: Constraint { get } private let backing : ConstraintDescription
internal init(_ backing : ConstraintDescription) {
self.backing = backing
}
public var constraint: Constraint {
return backing.constraint
}
} }
/** /**
Used to expose priority APIs Used to expose priority APIs
*/ */
public protocol ConstraintDescriptionPriortizable: ConstraintDescriptionFinalizable { public class ConstraintDescriptionPriortizable: ConstraintDescriptionFinalizable {
func priority(priority: Float) -> ConstraintDescriptionFinalizable public func priority(priority: FloatConvertible) -> ConstraintDescriptionFinalizable {
func priority(priority: Double) -> ConstraintDescriptionFinalizable return ConstraintDescriptionFinalizable(self.backing.priority(priority))
func priority(priority: CGFloat) -> ConstraintDescriptionFinalizable }
func priority(priority: UInt) -> ConstraintDescriptionFinalizable
func priority(priority: Int) -> ConstraintDescriptionFinalizable public func priorityRequired() -> ConstraintDescriptionFinalizable {
func priorityRequired() -> ConstraintDescriptionFinalizable return ConstraintDescriptionFinalizable(self.backing.priorityRequired())
func priorityHigh() -> ConstraintDescriptionFinalizable }
func priorityMedium() -> ConstraintDescriptionFinalizable public func priorityHigh() -> ConstraintDescriptionFinalizable {
func priorityLow() -> 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 Used to expose multiplier & constant APIs
*/ */
public protocol ConstraintDescriptionEditable: ConstraintDescriptionPriortizable { public class ConstraintDescriptionEditable: ConstraintDescriptionPriortizable {
func multipliedBy(amount: Float) -> ConstraintDescriptionEditable public func multipliedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
func multipliedBy(amount: Double) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.multipliedBy(amount))
func multipliedBy(amount: CGFloat) -> ConstraintDescriptionEditable }
func multipliedBy(amount: Int) -> ConstraintDescriptionEditable
func multipliedBy(amount: UInt) -> ConstraintDescriptionEditable
func dividedBy(amount: Float) -> ConstraintDescriptionEditable public func dividedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
func dividedBy(amount: Double) -> ConstraintDescriptionEditable return self.multipliedBy(1 / amount.floatValue)
func dividedBy(amount: CGFloat) -> ConstraintDescriptionEditable }
func dividedBy(amount: Int) -> ConstraintDescriptionEditable
func dividedBy(amount: UInt) -> ConstraintDescriptionEditable
func offset(amount: Float) -> ConstraintDescriptionEditable public func offset(amount : FloatConvertible) -> ConstraintDescriptionEditable {
func offset(amount: Double) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.offset(amount))
func offset(amount: CGFloat) -> ConstraintDescriptionEditable }
func offset(amount: Int) -> ConstraintDescriptionEditable public func offset(amount: CGPoint) -> ConstraintDescriptionEditable {
func offset(amount: UInt) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.offset(amount))
func offset(amount: CGPoint) -> ConstraintDescriptionEditable }
func offset(amount: CGSize) -> ConstraintDescriptionEditable public func offset(amount: CGSize) -> ConstraintDescriptionEditable {
func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.offset(amount))
}
public func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
return ConstraintDescriptionEditable(self.backing.offset(amount))
}
func inset(amount: Float) -> ConstraintDescriptionEditable public func inset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
func inset(amount: Double) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.inset(amount))
func inset(amount: CGFloat) -> ConstraintDescriptionEditable }
func inset(amount: Int) -> ConstraintDescriptionEditable public func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
func inset(amount: UInt) -> ConstraintDescriptionEditable return ConstraintDescriptionEditable(self.backing.inset(amount))
func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable }
} }
/** /**
Used to expose relation APIs Used to expose relation APIs
*/ */
public protocol ConstraintDescriptionRelatable: class { public class ConstraintDescriptionRelatable {
func equalTo(other: ConstraintItem) -> ConstraintDescriptionEditable private let backing : ConstraintDescription
func equalTo(other: View) -> ConstraintDescriptionEditable
@available(iOS 7.0, *)
func equalTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *)
func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func equalTo(other: Float) -> ConstraintDescriptionEditable
func equalTo(other: Double) -> ConstraintDescriptionEditable
func equalTo(other: CGFloat) -> ConstraintDescriptionEditable
func equalTo(other: Int) -> ConstraintDescriptionEditable
func equalTo(other: UInt) -> ConstraintDescriptionEditable
func equalTo(other: CGSize) -> ConstraintDescriptionEditable
func equalTo(other: CGPoint) -> ConstraintDescriptionEditable
func equalTo(other: EdgeInsets) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: ConstraintItem) -> ConstraintDescriptionEditable init(_ backing : ConstraintDescription) {
func lessThanOrEqualTo(other: View) -> ConstraintDescriptionEditable self.backing = backing
@available(iOS 7.0, *) }
func lessThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *)
func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: Double) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: CGFloat) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: Int) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: UInt) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: ConstraintItem) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: View) -> ConstraintDescriptionEditable
@available(iOS 7.0, *)
func greaterThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *)
func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: Double) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: CGFloat) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: Int) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: UInt) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable
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 Used to expose chaining APIs
*/ */
public protocol ConstraintDescriptionExtendable: ConstraintDescriptionRelatable { public class ConstraintDescriptionExtendable: ConstraintDescriptionRelatable {
var left: ConstraintDescriptionExtendable { get } public var left: ConstraintDescriptionExtendable {
var top: ConstraintDescriptionExtendable { get } return ConstraintDescriptionExtendable(self.backing.left)
var bottom: ConstraintDescriptionExtendable { get } }
var right: ConstraintDescriptionExtendable { get } public var top: ConstraintDescriptionExtendable {
var leading: ConstraintDescriptionExtendable { get } return ConstraintDescriptionExtendable(self.backing.top)
var trailing: ConstraintDescriptionExtendable { get } }
var width: ConstraintDescriptionExtendable { get } public var bottom: ConstraintDescriptionExtendable {
var height: ConstraintDescriptionExtendable { get } return ConstraintDescriptionExtendable(self.backing.bottom)
var centerX: ConstraintDescriptionExtendable { get } }
var centerY: ConstraintDescriptionExtendable { get } public var right: ConstraintDescriptionExtendable {
var baseline: ConstraintDescriptionExtendable { get } 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, *) @available(iOS 8.0, *)
var firstBaseline: ConstraintDescriptionExtendable { get } public var firstBaseline: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.firstBaseline)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var leftMargin: ConstraintDescriptionExtendable { get } public var leftMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.leftMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var rightMargin: ConstraintDescriptionExtendable { get } public var rightMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.rightMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var topMargin: ConstraintDescriptionExtendable { get } public var topMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.topMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var bottomMargin: ConstraintDescriptionExtendable { get } public var bottomMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.bottomMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var leadingMargin: ConstraintDescriptionExtendable { get } public var leadingMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.leadingMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var trailingMargin: ConstraintDescriptionExtendable { get } public var trailingMargin: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.trailingMargin)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var centerXWithinMargins: ConstraintDescriptionExtendable { get } public var centerXWithinMargins: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerXWithinMargins)
}
@available(iOS 8.0, *) @available(iOS 8.0, *)
var centerYWithinMargins: ConstraintDescriptionExtendable { get } public var centerYWithinMargins: ConstraintDescriptionExtendable {
return ConstraintDescriptionExtendable(self.backing.centerYWithinMargins)
}
} }
/** /**
Used to internally manage building constraint Used to internally manage building constraint
*/ */
internal class ConstraintDescription: ConstraintDescriptionExtendable, ConstraintDescriptionEditable, ConstraintDescriptionFinalizable { internal class ConstraintDescription {
internal var left: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Left) } private var location : SourceLocation?
internal var top: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Top) }
internal var right: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Right) } private var left: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Left) }
internal var bottom: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Bottom) } private var top: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Top) }
internal var leading: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Leading) } private var right: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Right) }
internal var trailing: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Trailing) } private var bottom: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Bottom) }
internal var width: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Width) } private var leading: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Leading) }
internal var height: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Height) } private var trailing: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Trailing) }
internal var centerX: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterX) } private var width: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Width) }
internal var centerY: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterY) } private var height: ConstraintDescription { return self.addConstraint(ConstraintAttributes.Height) }
internal var baseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.Baseline) } 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, *) @available(iOS 8.0, *)
internal var firstBaseline: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.FirstBaseline) } private var firstBaseline: ConstraintDescription { return self.addConstraint(ConstraintAttributes.FirstBaseline) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var leftMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeftMargin) } private var leftMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.LeftMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var rightMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.RightMargin) } private var rightMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.RightMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var topMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TopMargin) } private var topMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.TopMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var bottomMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.BottomMargin) } private var bottomMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.BottomMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var leadingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.LeadingMargin) } private var leadingMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.LeadingMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var trailingMargin: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.TrailingMargin) } private var trailingMargin: ConstraintDescription { return self.addConstraint(ConstraintAttributes.TrailingMargin) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var centerXWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterXWithinMargins) } private var centerXWithinMargins: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterXWithinMargins) }
@available(iOS 8.0, *) @available(iOS 8.0, *)
internal var centerYWithinMargins: ConstraintDescriptionExtendable { return self.addConstraint(ConstraintAttributes.CenterYWithinMargins) } private var centerYWithinMargins: ConstraintDescription { return self.addConstraint(ConstraintAttributes.CenterYWithinMargins) }
// MARK: initializer // MARK: initializer
@ -218,259 +347,69 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
self.toItem = ConstraintItem(object: nil, attributes: ConstraintAttributes.None) self.toItem = ConstraintItem(object: nil, attributes: ConstraintAttributes.None)
} }
// MARK: equalTo
internal func equalTo(other: ConstraintItem) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
internal func equalTo(other: View) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
@available(iOS 7.0, *)
internal func equalTo(other: LayoutSupport) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
@available(iOS 9.0, OSX 10.11, *)
internal func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
internal func equalTo(other: Float) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
internal func equalTo(other: Double) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .Equal)
}
internal func equalTo(other: CGFloat) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .Equal)
}
internal func equalTo(other: Int) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .Equal)
}
internal func equalTo(other: UInt) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .Equal)
}
internal func equalTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
internal func equalTo(other: CGPoint) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
internal func equalTo(other: EdgeInsets) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal)
}
// MARK: lessThanOrEqualTo
internal func lessThanOrEqualTo(other: ConstraintItem) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: View) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
@available(iOS 7.0, *)
internal func lessThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
@available(iOS 9.0, OSX 10.11, *)
internal func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: Double) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: CGFloat) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: Int) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: UInt) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func lessThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
// MARK: greaterThanOrEqualTo
internal func greaterThanOrEqualTo(other: ConstraintItem) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: View) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
@available(iOS 7.0, *)
internal func greaterThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
@available(iOS 9.0, OSX 10.11, *)
internal func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: Double) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: CGFloat) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: Int) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: UInt) -> ConstraintDescriptionEditable {
return self.constrainTo(Float(other), relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
internal func greaterThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
}
// MARK: multiplier // MARK: multiplier
internal func multipliedBy(amount: Float) -> ConstraintDescriptionEditable { private func multipliedBy(amount: FloatConvertible) -> ConstraintDescription {
self.multiplier = amount self.multiplier = amount.floatValue
return self return self
} }
internal func multipliedBy(amount: Double) -> ConstraintDescriptionEditable {
return self.multipliedBy(Float(amount))
}
internal func multipliedBy(amount: CGFloat) -> ConstraintDescriptionEditable {
return self.multipliedBy(Float(amount))
}
internal func multipliedBy(amount: Int) -> ConstraintDescriptionEditable {
return self.multipliedBy(Float(amount))
}
internal func multipliedBy(amount: UInt) -> ConstraintDescriptionEditable {
return self.multipliedBy(Float(amount))
}
internal func dividedBy(amount: Float) -> ConstraintDescriptionEditable { private func dividedBy(amount: FloatConvertible) -> ConstraintDescription {
self.multiplier = 1.0 / amount; self.multiplier = 1.0 / amount.floatValue;
return self return self
} }
internal func dividedBy(amount: Double) -> ConstraintDescriptionEditable {
return self.dividedBy(Float(amount))
}
internal func dividedBy(amount: CGFloat) -> ConstraintDescriptionEditable {
return self.dividedBy(Float(amount))
}
internal func dividedBy(amount: Int) -> ConstraintDescriptionEditable {
return self.dividedBy(Float(amount))
}
internal func dividedBy(amount: UInt) -> ConstraintDescriptionEditable {
return self.dividedBy(Float(amount))
}
// MARK: offset // MARK: offset
internal func offset(amount: Float) -> ConstraintDescriptionEditable { private func offset(amount: FloatConvertible) -> ConstraintDescription {
self.constant = amount.floatValue
return self
}
private func offset(amount: CGPoint) -> ConstraintDescription {
self.constant = amount self.constant = amount
return self return self
} }
internal func offset(amount: Double) -> ConstraintDescriptionEditable { private func offset(amount: CGSize) -> ConstraintDescription {
return self.offset(Float(amount))
}
internal func offset(amount: CGFloat) -> ConstraintDescriptionEditable {
return self.offset(Float(amount))
}
internal func offset(amount: Int) -> ConstraintDescriptionEditable {
return self.offset(Float(amount))
}
internal func offset(amount: UInt) -> ConstraintDescriptionEditable {
return self.offset(Float(amount))
}
internal func offset(amount: CGPoint) -> ConstraintDescriptionEditable {
self.constant = amount self.constant = amount
return self return self
} }
internal func offset(amount: CGSize) -> ConstraintDescriptionEditable { private func offset(amount: EdgeInsets) -> ConstraintDescription {
self.constant = amount
return self
}
internal func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
self.constant = amount self.constant = amount
return self return self
} }
// MARK: inset // MARK: inset
internal func inset(amount: Float) -> ConstraintDescriptionEditable { private func inset(amount: FloatConvertible) -> ConstraintDescription {
let value = CGFloat(amount) let value = CGFloat(amount.floatValue)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value) self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self return self
} }
internal func inset(amount: Double) -> ConstraintDescriptionEditable { private func inset(amount: EdgeInsets) -> ConstraintDescription {
let value = CGFloat(amount)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self
}
internal func inset(amount: CGFloat) -> ConstraintDescriptionEditable {
self.constant = EdgeInsets(top: amount, left: amount, bottom: -amount, right: -amount)
return self
}
internal func inset(amount: Int) -> ConstraintDescriptionEditable {
let value = CGFloat(amount)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self
}
internal func inset(amount: UInt) -> ConstraintDescriptionEditable {
let value = CGFloat(amount)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self
}
internal func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable {
self.constant = EdgeInsets(top: amount.top, left: amount.left, bottom: -amount.bottom, right: -amount.right) self.constant = EdgeInsets(top: amount.top, left: amount.left, bottom: -amount.bottom, right: -amount.right)
return self return self
} }
// MARK: priority // MARK: priority
internal func priority(priority: Float) -> ConstraintDescriptionFinalizable { private func priority(priority: FloatConvertible) -> ConstraintDescription {
self.priority = priority self.priority = priority.floatValue
return self return self
} }
internal func priority(priority: Double) -> ConstraintDescriptionFinalizable { private func priorityRequired() -> ConstraintDescription {
return self.priority(Float(priority))
}
internal func priority(priority: CGFloat) -> ConstraintDescriptionFinalizable {
return self.priority(Float(priority))
}
func priority(priority: UInt) -> ConstraintDescriptionFinalizable {
return self.priority(Float(priority))
}
internal func priority(priority: Int) -> ConstraintDescriptionFinalizable {
return self.priority(Float(priority))
}
internal func priorityRequired() -> ConstraintDescriptionFinalizable {
return self.priority(1000.0) return self.priority(1000.0)
} }
internal func priorityHigh() -> ConstraintDescriptionFinalizable { private func priorityHigh() -> ConstraintDescription {
return self.priority(750.0) return self.priority(750.0)
} }
internal func priorityMedium() -> ConstraintDescriptionFinalizable { private func priorityMedium() -> ConstraintDescription {
#if os(iOS) || os(tvOS) #if os(iOS) || os(tvOS)
return self.priority(500.0) return self.priority(500.0)
#else #else
return self.priority(501.0) return self.priority(501.0)
#endif #endif
} }
internal func priorityLow() -> ConstraintDescriptionFinalizable { private func priorityLow() -> ConstraintDescription {
return self.priority(250.0) return self.priority(250.0)
} }
@ -487,7 +426,9 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
relation: self.relation!, relation: self.relation!,
constant: self.constant, constant: self.constant,
multiplier: self.multiplier, multiplier: self.multiplier,
priority: self.priority) priority: self.priority,
location: self.location
)
} }
return self.concreteConstraint! return self.concreteConstraint!
} }
@ -539,59 +480,35 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
return self return self
} }
private func constrainTo(other: ConstraintItem, relation: ConstraintRelation) -> ConstraintDescription { private func constrainTo(other: RelationTarget, relation: ConstraintRelation, location : SourceLocation) -> ConstraintDescription {
if other.attributes != ConstraintAttributes.None {
let toLayoutAttributes = other.attributes.layoutAttributes self.location = location
if let constant = other as? FloatConvertible {
self.constant = constant.floatValue
}
let item = other.constraintItem
if item.attributes != ConstraintAttributes.None {
let toLayoutAttributes = item.attributes.layoutAttributes
if toLayoutAttributes.count > 1 { if toLayoutAttributes.count > 1 {
let fromLayoutAttributes = self.fromItem.attributes.layoutAttributes let fromLayoutAttributes = self.fromItem.attributes.layoutAttributes
if toLayoutAttributes != fromLayoutAttributes { if toLayoutAttributes != fromLayoutAttributes {
NSException(name: "Invalid Constraint", reason: "Cannot constrain to multiple non identical attributes", userInfo: nil).raise() NSException(name: "Invalid Constraint", reason: "Cannot constrain to multiple non identical attributes", userInfo: nil).raise()
return self return self
} }
other.attributes = ConstraintAttributes.None item.attributes = ConstraintAttributes.None
} }
} }
self.toItem = other self.toItem = item
self.relation = relation self.relation = relation
return self return self
} }
private func constrainTo(other: View, relation: ConstraintRelation) -> ConstraintDescription {
return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
}
@available(iOS 7.0, *) @available(iOS 7.0, *)
private func constrainTo(other: LayoutSupport, relation: ConstraintRelation) -> ConstraintDescription { private func constrainTo(other: LayoutSupport, relation: ConstraintRelation, location : SourceLocation) -> ConstraintDescription {
return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation) return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation, location: location)
} }
@available(iOS 9.0, OSX 10.11, *)
private func constrainTo(other: NSLayoutAnchor, relation: ConstraintRelation) -> ConstraintDescription {
return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
}
private func constrainTo(other: Float, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other
return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
}
private func constrainTo(other: Double, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other
return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
}
private func constrainTo(other: CGSize, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other
return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
}
private func constrainTo(other: CGPoint, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other
return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
}
private func constrainTo(other: EdgeInsets, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other
return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
}
} }

40
Source/ConstraintMaker.swift
View File

@ -118,72 +118,66 @@ public class ConstraintMaker {
@available(iOS 8.0, *) @available(iOS 8.0, *)
public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) } public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
internal init(view: View, file: String, line: UInt) { internal init(view: View, location: SourceLocation) {
self.view = view self.view = view
self.file = file self.location = location
self.line = line
} }
internal let file: String internal let location: SourceLocation
internal let line: UInt
internal let view: View internal let view: View
internal var constraintDescriptions = [ConstraintDescription]() internal var constraintDescriptions = [ConstraintDescription]()
internal func makeConstraintDescription(attributes: ConstraintAttributes) -> ConstraintDescription { internal func makeConstraintDescription(attributes: ConstraintAttributes) -> ConstraintDescriptionExtendable {
let item = ConstraintItem(object: self.view, attributes: attributes) let item = ConstraintItem(object: self.view, attributes: attributes)
let constraintDescription = ConstraintDescription(fromItem: item) let constraintDescription = ConstraintDescription(fromItem: item)
self.constraintDescriptions.append(constraintDescription) self.constraintDescriptions.append(constraintDescription)
return constraintDescription return ConstraintDescriptionExtendable(constraintDescription)
} }
internal class func prepareConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] { internal class func prepareConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
let maker = ConstraintMaker(view: view, file: file, line: line) let maker = ConstraintMaker(view: view, location : location)
closure(make: maker) closure(make: maker)
let constraints = maker.constraintDescriptions.map { $0.constraint } let constraints = maker.constraintDescriptions.map { $0.constraint }
for constraint in constraints { for constraint in constraints {
constraint.makerFile = maker.file constraint.makerLocation = maker.location
constraint.makerLine = maker.line
} }
return constraints return constraints
} }
internal class func makeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) { internal class func makeConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false view.translatesAutoresizingMaskIntoConstraints = false
let maker = ConstraintMaker(view: view, file: file, line: line) let maker = ConstraintMaker(view: view, location: location)
closure(make: maker) closure(make: maker)
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint } let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
for constraint in constraints { for constraint in constraints {
constraint.makerFile = maker.file constraint.makerLocation = maker.location
constraint.makerLine = maker.line
constraint.installOnView(updateExisting: false) constraint.installOnView(updateExisting: false)
} }
} }
internal class func remakeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) { internal class func remakeConstraints(view view: View, location : SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false view.translatesAutoresizingMaskIntoConstraints = false
let maker = ConstraintMaker(view: view, file: file, line: line) let maker = ConstraintMaker(view: view, location: location)
closure(make: maker) closure(make: maker)
self.removeConstraints(view: view) self.removeConstraints(view: view)
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint } let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
for constraint in constraints { for constraint in constraints {
constraint.makerFile = maker.file constraint.makerLocation = maker.location
constraint.makerLine = maker.line
constraint.installOnView(updateExisting: false) constraint.installOnView(updateExisting: false)
} }
} }
internal class func updateConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) { internal class func updateConstraints(view view: View, location: SourceLocation, @noescape closure: (make: ConstraintMaker) -> Void) {
view.translatesAutoresizingMaskIntoConstraints = false view.translatesAutoresizingMaskIntoConstraints = false
let maker = ConstraintMaker(view: view, file: file, line: line) let maker = ConstraintMaker(view: view, location: location)
closure(make: maker) closure(make: maker)
let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint} let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint}
for constraint in constraints { for constraint in constraints {
constraint.makerFile = maker.file constraint.makerLocation = maker.location
constraint.makerLine = maker.line
constraint.installOnView(updateExisting: true) constraint.installOnView(updateExisting: true)
} }
} }

4
Source/Debugging.swift
View File

@ -101,11 +101,11 @@ public extension LayoutConstraint {
} }
internal var snp_makerFile: String? { internal var snp_makerFile: String? {
return self.snp_constraint?.makerFile return self.snp_constraint?.makerLocation.file
} }
internal var snp_makerLine: UInt? { internal var snp_makerLine: UInt? {
return self.snp_constraint?.makerLine return self.snp_constraint?.makerLocation.line
} }
} }

3
Source/LayoutConstraint.swift
View File

@ -34,6 +34,9 @@ public class LayoutConstraint: NSLayoutConstraint {
internal var snp_constraint: Constraint? = nil internal var snp_constraint: Constraint? = nil
public var snp_location: SourceLocation? {
return snp_constraint?.location
}
} }
internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool { internal func ==(left: LayoutConstraint, right: LayoutConstraint) -> Bool {

36
Source/SourceLocation.swift Normal file
View File

@ -0,0 +1,36 @@
//
// 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.
public struct SourceLocation {
public let file : String
public let line : UInt
init(file : String, line : UInt) {
self.file = file
self.line = line
}
}

8
Source/View+SnapKit.swift
View File

@ -128,7 +128,7 @@ public extension View {
:returns: the constraints made :returns: the constraints made
*/ */
public func snp_prepareConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] { public func snp_prepareConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
return ConstraintMaker.prepareConstraints(view: self, file: file, line: line, closure: closure) return ConstraintMaker.prepareConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
} }
/** /**
@ -137,7 +137,7 @@ public extension View {
:param: closure that will be passed the `ConstraintMaker` to make the constraints with :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 { public func snp_makeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.makeConstraints(view: self, file: file, line: line, closure: closure) ConstraintMaker.makeConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
} }
/** /**
@ -148,7 +148,7 @@ public extension View {
:param: closure that will be passed the `ConstraintMaker` to update the constraints with :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 { public func snp_updateConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.updateConstraints(view: self, file: file, line: line, closure: closure) ConstraintMaker.updateConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
} }
/** /**
@ -157,7 +157,7 @@ public extension View {
:param: closure that will be passed the `ConstraintMaker` to remake the constraints with :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 { public func snp_remakeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
ConstraintMaker.remakeConstraints(view: self, file: file, line: line, closure: closure) ConstraintMaker.remakeConstraints(view: self, location: SourceLocation(file: file, line: line), closure: closure)
} }
/** /**