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Introduce FloatConvertible to reduce relation boilerplate

This commit is contained in:
Akiva Leffert 2015-10-12 00:57:59 -04:00
parent 62e76458ef
commit a5be9d646b
1 changed files with 58 additions and 163 deletions
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221
Source/ConstraintDescription.swift
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@ -27,6 +27,41 @@ import UIKit
import AppKit import AppKit
#endif #endif
// Reduce duplication by centralizing casts
public protocol FloatConvertible {
var floatValue : Float { get }
}
extension Float : FloatConvertible {
public var floatValue : Float {
return self
}
}
extension Int : FloatConvertible {
public var floatValue : Float {
return Float(self)
}
}
extension UInt : FloatConvertible {
public var floatValue : Float {
return Float(self)
}
}
extension Double : FloatConvertible {
public var floatValue : Float {
return Float(self)
}
}
extension CGFloat : FloatConvertible {
public var floatValue : Float {
return Float(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
*/ */
@ -41,11 +76,7 @@ public protocol ConstraintDescriptionFinalizable: class {
*/ */
public protocol ConstraintDescriptionPriortizable: ConstraintDescriptionFinalizable { public protocol ConstraintDescriptionPriortizable: ConstraintDescriptionFinalizable {
func priority(priority: Float) -> ConstraintDescriptionFinalizable func priority(priority: FloatConvertible) -> ConstraintDescriptionFinalizable
func priority(priority: Double) -> ConstraintDescriptionFinalizable
func priority(priority: CGFloat) -> ConstraintDescriptionFinalizable
func priority(priority: UInt) -> ConstraintDescriptionFinalizable
func priority(priority: Int) -> ConstraintDescriptionFinalizable
func priorityRequired() -> ConstraintDescriptionFinalizable func priorityRequired() -> ConstraintDescriptionFinalizable
func priorityHigh() -> ConstraintDescriptionFinalizable func priorityHigh() -> ConstraintDescriptionFinalizable
func priorityMedium() -> ConstraintDescriptionFinalizable func priorityMedium() -> ConstraintDescriptionFinalizable
@ -57,32 +88,16 @@ public protocol ConstraintDescriptionPriortizable: ConstraintDescriptionFinaliza
*/ */
public protocol ConstraintDescriptionEditable: ConstraintDescriptionPriortizable { public protocol ConstraintDescriptionEditable: ConstraintDescriptionPriortizable {
func multipliedBy(amount: Float) -> ConstraintDescriptionEditable func multipliedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable
func multipliedBy(amount: Double) -> ConstraintDescriptionEditable
func multipliedBy(amount: CGFloat) -> ConstraintDescriptionEditable
func multipliedBy(amount: Int) -> ConstraintDescriptionEditable
func multipliedBy(amount: UInt) -> ConstraintDescriptionEditable
func dividedBy(amount: Float) -> ConstraintDescriptionEditable func dividedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable
func dividedBy(amount: Double) -> ConstraintDescriptionEditable
func dividedBy(amount: CGFloat) -> ConstraintDescriptionEditable
func dividedBy(amount: Int) -> ConstraintDescriptionEditable
func dividedBy(amount: UInt) -> ConstraintDescriptionEditable
func offset(amount: Float) -> ConstraintDescriptionEditable func offset(amount: FloatConvertible) -> ConstraintDescriptionEditable
func offset(amount: Double) -> ConstraintDescriptionEditable
func offset(amount: CGFloat) -> ConstraintDescriptionEditable
func offset(amount: Int) -> ConstraintDescriptionEditable
func offset(amount: UInt) -> ConstraintDescriptionEditable
func offset(amount: CGPoint) -> ConstraintDescriptionEditable func offset(amount: CGPoint) -> ConstraintDescriptionEditable
func offset(amount: CGSize) -> ConstraintDescriptionEditable func offset(amount: CGSize) -> ConstraintDescriptionEditable
func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable func offset(amount: EdgeInsets) -> ConstraintDescriptionEditable
func inset(amount: Float) -> ConstraintDescriptionEditable func inset(amount: FloatConvertible) -> ConstraintDescriptionEditable
func inset(amount: Double) -> ConstraintDescriptionEditable
func inset(amount: CGFloat) -> ConstraintDescriptionEditable
func inset(amount: Int) -> ConstraintDescriptionEditable
func inset(amount: UInt) -> ConstraintDescriptionEditable
func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable func inset(amount: EdgeInsets) -> ConstraintDescriptionEditable
} }
@ -97,11 +112,7 @@ public protocol ConstraintDescriptionRelatable: class {
func equalTo(other: LayoutSupport) -> ConstraintDescriptionEditable func equalTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *) @available(iOS 9.0, OSX 10.11, *)
func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func equalTo(other: Float) -> ConstraintDescriptionEditable func equalTo(other: FloatConvertible) -> 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: CGSize) -> ConstraintDescriptionEditable
func equalTo(other: CGPoint) -> ConstraintDescriptionEditable func equalTo(other: CGPoint) -> ConstraintDescriptionEditable
func equalTo(other: EdgeInsets) -> ConstraintDescriptionEditable func equalTo(other: EdgeInsets) -> ConstraintDescriptionEditable
@ -112,11 +123,7 @@ public protocol ConstraintDescriptionRelatable: class {
func lessThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable func lessThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *) @available(iOS 9.0, OSX 10.11, *)
func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable func lessThanOrEqualTo(other: FloatConvertible) -> 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: CGSize) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable func lessThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable
func lessThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable func lessThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable
@ -127,11 +134,7 @@ public protocol ConstraintDescriptionRelatable: class {
func greaterThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable func greaterThanOrEqualTo(other: LayoutSupport) -> ConstraintDescriptionEditable
@available(iOS 9.0, OSX 10.11, *) @available(iOS 9.0, OSX 10.11, *)
func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable func greaterThanOrEqualTo(other: FloatConvertible) -> 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: CGSize) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable func greaterThanOrEqualTo(other: CGPoint) -> ConstraintDescriptionEditable
func greaterThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable func greaterThanOrEqualTo(other: EdgeInsets) -> ConstraintDescriptionEditable
@ -234,21 +237,9 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
internal func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable { internal func equalTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal) return self.constrainTo(other, relation: .Equal)
} }
internal func equalTo(other: Float) -> ConstraintDescriptionEditable { internal func equalTo(other: FloatConvertible) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal) 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 { internal func equalTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .Equal) return self.constrainTo(other, relation: .Equal)
} }
@ -275,21 +266,9 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
internal func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable { internal func lessThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo) return self.constrainTo(other, relation: .LessThanOrEqualTo)
} }
internal func lessThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable { internal func lessThanOrEqualTo(other: FloatConvertible) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo) 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 { internal func lessThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo) return self.constrainTo(other, relation: .LessThanOrEqualTo)
} }
@ -316,21 +295,9 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
internal func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable { internal func greaterThanOrEqualTo(other: NSLayoutAnchor) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .LessThanOrEqualTo) return self.constrainTo(other, relation: .LessThanOrEqualTo)
} }
internal func greaterThanOrEqualTo(other: Float) -> ConstraintDescriptionEditable { internal func greaterThanOrEqualTo(other: FloatConvertible) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo) 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 { internal func greaterThanOrEqualTo(other: CGSize) -> ConstraintDescriptionEditable {
return self.constrainTo(other, relation: .GreaterThanOrEqualTo) return self.constrainTo(other, relation: .GreaterThanOrEqualTo)
} }
@ -343,58 +310,22 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
// MARK: multiplier // MARK: multiplier
internal func multipliedBy(amount: Float) -> ConstraintDescriptionEditable { internal func multipliedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
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 { internal func dividedBy(amount: FloatConvertible) -> ConstraintDescriptionEditable {
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 { internal func offset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
self.constant = amount self.constant = amount.floatValue
return self return self
} }
internal func offset(amount: Double) -> ConstraintDescriptionEditable {
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 { internal func offset(amount: CGPoint) -> ConstraintDescriptionEditable {
self.constant = amount self.constant = amount
return self return self
@ -410,27 +341,8 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
// MARK: inset // MARK: inset
internal func inset(amount: Float) -> ConstraintDescriptionEditable { internal func inset(amount: FloatConvertible) -> ConstraintDescriptionEditable {
let value = CGFloat(amount) let value = CGFloat(amount.floatValue)
self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self
}
internal func inset(amount: Double) -> ConstraintDescriptionEditable {
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) self.constant = EdgeInsets(top: value, left: value, bottom: -value, right: -value)
return self return self
} }
@ -441,22 +353,10 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
// MARK: priority // MARK: priority
internal func priority(priority: Float) -> ConstraintDescriptionFinalizable { internal func priority(priority: FloatConvertible) -> ConstraintDescriptionFinalizable {
self.priority = priority self.priority = priority.floatValue
return self return self
} }
internal func priority(priority: Double) -> ConstraintDescriptionFinalizable {
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 { internal func priorityRequired() -> ConstraintDescriptionFinalizable {
return self.priority(1000.0) return self.priority(1000.0)
} }
@ -570,13 +470,8 @@ internal class ConstraintDescription: ConstraintDescriptionExtendable, Constrain
return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation) return constrainTo(ConstraintItem(object: other, attributes: ConstraintAttributes.None), relation: relation)
} }
private func constrainTo(other: Float, relation: ConstraintRelation) -> ConstraintDescription { private func constrainTo(other: FloatConvertible, relation: ConstraintRelation) -> ConstraintDescription {
self.constant = other self.constant = other.floatValue
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) return constrainTo(ConstraintItem(object: nil, attributes: ConstraintAttributes.None), relation: relation)
} }