0001    //
0002    //  SnapKit
0003    //
0004    //  Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit
0005    //
0006    //  Permission is hereby granted, free of charge, to any person obtaining a copy
0007    //  of this software and associated documentation files (the "Software"), to deal
0008    //  in the Software without restriction, including without limitation the rights
0009    //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0010    //  copies of the Software, and to permit persons to whom the Software is
0011    //  furnished to do so, subject to the following conditions:
0012    //
0013    //  The above copyright notice and this permission notice shall be included in
0014    //  all copies or substantial portions of the Software.
0015    //
0016    //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017    //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018    //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0019    //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0020    //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0021    //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
0022    //  THE SOFTWARE.
0023    
0024    #if os(iOS) || os(tvOS)
0025    import UIKit
0026    #else
0027    import AppKit
0028    #endif
0029    
0030    /**
0031        Used to make constraints
0032    */
0033    public class ConstraintMaker
ConstraintMaker.swift:139
    internal class func prepareConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
ConstraintMaker.swift:140
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:151
    internal class func makeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:153
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:164
    internal class func remakeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:166
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:178
    internal class func updateConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:180
        let maker = ConstraintMaker(view: view, file: file, line: line)
View+SnapKit.swift:130
    public func snp_prepareConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
View+SnapKit.swift:131
        return ConstraintMaker.prepareConstraints(view: self, file: file, line: line, closure: closure)
View+SnapKit.swift:139
    public func snp_makeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
View+SnapKit.swift:140
        ConstraintMaker.makeConstraints(view: self, file: file, line: line, closure: closure)
View+SnapKit.swift:150
    public func snp_updateConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
View+SnapKit.swift:151
        ConstraintMaker.updateConstraints(view: self, file: file, line: line, closure: closure)
View+SnapKit.swift:159
    public func snp_remakeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
View+SnapKit.swift:160
        ConstraintMaker.remakeConstraints(view: self, file: file, line: line, closure: closure)
View+SnapKit.swift:167
        ConstraintMaker.removeConstraints(view: self)
 {
0034        
0035        /// left edge
0036        public var left: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Left) }
0037        
0038        /// top edge
0039        public var top: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Top) }
0040        
0041        /// right edge
0042        public var right: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Right) }
0043        
0044        /// bottom edge
0045        public var bottom: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Bottom) }
0046        
0047        /// leading edge
0048        public var leading: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Leading) }
0049        
0050        /// trailing edge
0051        public var trailing: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Trailing) }
0052        
0053        /// width dimension
0054        public var width: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Width) }
0055        
0056        /// height dimension
0057        public var height: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Height) }
0058        
0059        /// centerX dimension
0060        public var centerX: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterX) }
0061        
0062        /// centerY dimension
0063        public var centerY: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterY) }
0064        
0065        /// baseline position
0066        public var baseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Baseline) }
0067        
0068        /// firse baseline position
0069        @available(iOS 8.0, *)
0070        public var firstBaseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.FirstBaseline) }
0071        
0072        /// left margin
0073        @available(iOS 8.0, *)
0074        public var leftMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeftMargin) }
0075        
0076        /// right margin
0077        @available(iOS 8.0, *)
0078        public var rightMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.RightMargin) }
0079        
0080        /// top margin
0081        @available(iOS 8.0, *)
0082        public var topMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TopMargin) }
0083        
0084        /// bottom margin
0085        @available(iOS 8.0, *)
0086        public var bottomMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.BottomMargin) }
0087        
0088        /// leading margin
0089        @available(iOS 8.0, *)
0090        public var leadingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeadingMargin) }
0091        
0092        /// trailing margin
0093        @available(iOS 8.0, *)
0094        public var trailingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TrailingMargin) }
0095        
0096        /// centerX within margins
0097        @available(iOS 8.0, *)
0098        public var centerXWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterXWithinMargins) }
0099        
0100        /// centerY within margins
0101        @available(iOS 8.0, *)
0102        public var centerYWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterYWithinMargins) }
0103        
0104        /// top + left + bottom + right edges
0105        public var edges: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Edges) }
0106        
0107        /// width + height dimensions
0108        public var size: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Size) }
0109        
0110        // centerX + centerY positions
0111        public var center: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Center) }
0112        
0113        // top + left + bottom + right margins
0114        @available(iOS 8.0, *)
0115        public var margins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Margins) }
0116        
0117        // centerX + centerY within margins
0118        @available(iOS 8.0, *)
0119        public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
0120        
0121        internal init
ConstraintMaker.swift:140
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:153
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:166
        let maker = ConstraintMaker(view: view, file: file, line: line)
ConstraintMaker.swift:180
        let maker = ConstraintMaker(view: view, file: file, line: line)
(view: View, file: String, line: UInt) {
0122            self.view = view
0123            self.file = file
0124            self.line = line
0125        }
0126        
0127        internal let file
ConstraintMaker.swift:123
        self.file = file
ConstraintMaker.swift:145
            constraint.makerFile = maker.file
ConstraintMaker.swift:158
            constraint.makerFile = maker.file
ConstraintMaker.swift:172
            constraint.makerFile = maker.file
ConstraintMaker.swift:185
            constraint.makerFile = maker.file
: String
0128        internal let line
ConstraintMaker.swift:124
        self.line = line
ConstraintMaker.swift:146
            constraint.makerLine = maker.line
ConstraintMaker.swift:159
            constraint.makerLine = maker.line
ConstraintMaker.swift:173
            constraint.makerLine = maker.line
ConstraintMaker.swift:186
            constraint.makerLine = maker.line
: UInt
0129        internal let view
ConstraintMaker.swift:122
        self.view = view
ConstraintMaker.swift:133
        let item = ConstraintItem(object: self.view, attributes: attributes)
: View
0130        internal var constraintDescriptions
ConstraintMaker.swift:135
        self.constraintDescriptions.append(constraintDescription)
ConstraintMaker.swift:143
        let constraints = maker.constraintDescriptions.map { $0.constraint }
ConstraintMaker.swift:156
        let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
ConstraintMaker.swift:170
        let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
ConstraintMaker.swift:183
        let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint}
 = [ConstraintDescription]()
0131        
0132        internal func makeConstraintDescription
ConstraintMaker.swift:36
    public var left: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Left) }
ConstraintMaker.swift:39
    public var top: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Top) }
ConstraintMaker.swift:42
    public var right: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Right) }
ConstraintMaker.swift:45
    public var bottom: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Bottom) }
ConstraintMaker.swift:48
    public var leading: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Leading) }
ConstraintMaker.swift:51
    public var trailing: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Trailing) }
ConstraintMaker.swift:54
    public var width: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Width) }
ConstraintMaker.swift:57
    public var height: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Height) }
ConstraintMaker.swift:60
    public var centerX: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterX) }
ConstraintMaker.swift:63
    public var centerY: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterY) }
ConstraintMaker.swift:66
    public var baseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Baseline) }
ConstraintMaker.swift:70
    public var firstBaseline: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.FirstBaseline) }
ConstraintMaker.swift:74
    public var leftMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeftMargin) }
ConstraintMaker.swift:78
    public var rightMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.RightMargin) }
ConstraintMaker.swift:82
    public var topMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TopMargin) }
ConstraintMaker.swift:86
    public var bottomMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.BottomMargin) }
ConstraintMaker.swift:90
    public var leadingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.LeadingMargin) }
ConstraintMaker.swift:94
    public var trailingMargin: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.TrailingMargin) }
ConstraintMaker.swift:98
    public var centerXWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterXWithinMargins) }
ConstraintMaker.swift:102
    public var centerYWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterYWithinMargins) }
ConstraintMaker.swift:105
    public var edges: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Edges) }
ConstraintMaker.swift:108
    public var size: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Size) }
ConstraintMaker.swift:111
    public var center: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Center) }
ConstraintMaker.swift:115
    public var margins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.Margins) }
ConstraintMaker.swift:119
    public var centerWithinMargins: ConstraintDescriptionExtendable { return self.makeConstraintDescription(ConstraintAttributes.CenterWithinMargins) }
(attributes: ConstraintAttributes) -> ConstraintDescription {
0133            let item = ConstraintItem(object: self.view, attributes: attributes)
0134            let constraintDescription = ConstraintDescription(fromItem: item)
0135            self.constraintDescriptions.append(constraintDescription)
0136            return constraintDescription
0137        }
0138        
0139        internal class func prepareConstraints
View+SnapKit.swift:131
        return ConstraintMaker.prepareConstraints(view: self, file: file, line: line, closure: closure)
(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
0140            let maker = ConstraintMaker(view: view, file: file, line: line)
0141            closure(make: maker)
0142            
0143            let constraints = maker.constraintDescriptions.map { $0.constraint }
0144            for constraint in constraints {
0145                constraint.makerFile = maker.file
0146                constraint.makerLine = maker.line
0147            }
0148            return constraints
0149        }
0150        
0151        internal class func makeConstraints
View+SnapKit.swift:140
        ConstraintMaker.makeConstraints(view: self, file: file, line: line, closure: closure)
(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
0152            view.translatesAutoresizingMaskIntoConstraints = false
0153            let maker = ConstraintMaker(view: view, file: file, line: line)
0154            closure(make: maker)
0155            
0156            let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
0157            for constraint in constraints {
0158                constraint.makerFile = maker.file
0159                constraint.makerLine = maker.line
0160                constraint.installOnView(updateExisting: false)
0161            }
0162        }
0163        
0164        internal class func remakeConstraints
View+SnapKit.swift:160
        ConstraintMaker.remakeConstraints(view: self, file: file, line: line, closure: closure)
(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
0165            view.translatesAutoresizingMaskIntoConstraints = false
0166            let maker = ConstraintMaker(view: view, file: file, line: line)
0167            closure(make: maker)
0168            
0169            self.removeConstraints(view: view)
0170            let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint }
0171            for constraint in constraints {
0172                constraint.makerFile = maker.file
0173                constraint.makerLine = maker.line
0174                constraint.installOnView(updateExisting: false)
0175            }
0176        }
0177        
0178        internal class func updateConstraints
View+SnapKit.swift:151
        ConstraintMaker.updateConstraints(view: self, file: file, line: line, closure: closure)
(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
0179            view.translatesAutoresizingMaskIntoConstraints = false
0180            let maker = ConstraintMaker(view: view, file: file, line: line)
0181            closure(make: maker)
0182            
0183            let constraints = maker.constraintDescriptions.map { $0.constraint as! ConcreteConstraint}
0184            for constraint in constraints {
0185                constraint.makerFile = maker.file
0186                constraint.makerLine = maker.line
0187                constraint.installOnView(updateExisting: true)
0188            }
0189        }
0190        
0191        internal class func removeConstraints
ConstraintMaker.swift:169
        self.removeConstraints(view: view)
View+SnapKit.swift:167
        ConstraintMaker.removeConstraints(view: self)
(view view: View) {
0192            for existingLayoutConstraint in view.snp_installedLayoutConstraints {
0193                existingLayoutConstraint.snp_constraint?.uninstall()
0194            }
0195        }
0196    }
0197