unify UIView Extensions

DcCore/DcCore/Extensions/UIView+Extensions.swift

@@ -1,6 +1,5 @@
 import UIKit
 
-// swiftlint:disable explicit_acl
 public extension UIView {
 
     func makeBorder(color: UIColor = UIColor.red) {
@@ -8,20 +7,36 @@ public extension UIView {
         self.layer.borderWidth = 2
     }
 
-    func alignLeadingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingLeading: CGFloat = 0.0) {
-        self.leadingAnchor.constraint(equalTo: anchor, constant: paddingLeading).isActive = true
+    func alignLeadingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
+        let constraint = self.leadingAnchor.constraint(equalTo: anchor, constant: paddingLeading)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        constraint.isActive = true
     }
 
-    func alignTrailingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingTrailing: CGFloat = 0.0) {
-        self.trailingAnchor.constraint(equalTo: anchor, constant: -paddingTrailing).isActive = true
+    func alignTrailingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingTrailing: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
+        let constraint = self.trailingAnchor.constraint(equalTo: anchor, constant: -paddingTrailing)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        constraint.isActive = true
     }
 
-    func alignTopToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingTop: CGFloat = 0.0) {
-        self.topAnchor.constraint(equalTo: anchor, constant: paddingTop).isActive = true
+    func alignTopToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
+        let constraint = self.topAnchor.constraint(equalTo: anchor, constant: paddingTop)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        constraint.isActive = true
     }
 
-    func alignBottomToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingBottom: CGFloat = 0.0) {
-        self.bottomAnchor.constraint(equalTo: anchor, constant: -paddingBottom).isActive = true
+    func alignBottomToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingBottom: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
+        let constraint = self.bottomAnchor.constraint(equalTo: anchor, constant: -paddingBottom)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        constraint.isActive = true
     }
 
     func fill(view: UIView, paddingLeading: CGFloat? = 0.0, paddingTrailing: CGFloat? = 0.0, paddingTop: CGFloat? = 0.0, paddingBottom: CGFloat? = 0.0) {
@@ -35,8 +50,8 @@ public extension UIView {
         return constraintAlignTopTo(view, paddingTop: 0.0)
     }
 
-    func constraintAlignTopTo(_ view: UIView, paddingTop: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintAlignTopTo(_ view: UIView, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .top,
             relatedBy: .equal,
@@ -44,10 +59,14 @@ public extension UIView {
             attribute: .top,
             multiplier: 1.0,
             constant: paddingTop)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintAlignBottomTo(_ view: UIView, paddingBottom: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintAlignBottomTo(_ view: UIView, paddingBottom: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .bottom,
             relatedBy: .equal,
@@ -55,10 +74,14 @@ public extension UIView {
             attribute: .bottom,
             multiplier: 1.0,
             constant: -paddingBottom)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintAlignLeadingTo(_ view: UIView, paddingLeading: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintAlignLeadingTo(_ view: UIView, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .leading,
             relatedBy: .equal,
@@ -66,10 +89,14 @@ public extension UIView {
             attribute: .leading,
             multiplier: 1.0,
             constant: paddingLeading)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintAlignTrailingTo(_ view: UIView, paddingTrailing: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintAlignTrailingTo(_ view: UIView, paddingTrailing: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .trailing,
             relatedBy: .equal,
@@ -77,10 +104,14 @@ public extension UIView {
             attribute: .trailing,
             multiplier: 1.0,
             constant: -paddingTrailing)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintToBottomOf(_ view: UIView, paddingTop: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintToBottomOf(_ view: UIView, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .top,
             relatedBy: .equal,
@@ -88,10 +119,14 @@ public extension UIView {
             attribute: .bottom,
             multiplier: 1.0,
             constant: paddingTop)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintToTrailingOf(_ view: UIView, paddingLeading: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(
+    func constraintToTrailingOf(_ view: UIView, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(
             item: self,
             attribute: .leading,
             relatedBy: .equal,
@@ -99,35 +134,55 @@ public extension UIView {
             attribute: .trailing,
             multiplier: 1.0,
             constant: paddingLeading)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
 
-    func constraintCenterXTo(_ view: UIView, paddingX: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(item: self,
+    func constraintCenterXTo(_ view: UIView, paddingX: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(item: self,
                                   attribute: .centerX,
                                   relatedBy: .equal,
                                   toItem: view,
                                   attribute: .centerX,
                                   multiplier: 1.0,
                                   constant: paddingX)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintCenterYTo(_ view: UIView, paddingY: CGFloat = 0.0) -> NSLayoutConstraint {
-        return NSLayoutConstraint(item: self,
+    func constraintCenterYTo(_ view: UIView, paddingY: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = NSLayoutConstraint(item: self,
                                   attribute: .centerY,
                                   relatedBy: .equal,
                                   toItem: view,
                                   attribute: .centerY,
                                   multiplier: 1.0,
                                   constant: paddingY)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintHeightTo(_ height: CGFloat) -> NSLayoutConstraint {
-        return heightAnchor.constraint(equalToConstant: height)
+    func constraintHeightTo(_ height: CGFloat, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = heightAnchor.constraint(equalToConstant: height)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
-    func constraintWidthTo(_ width: CGFloat) -> NSLayoutConstraint {
-       return  widthAnchor.constraint(equalToConstant: width)
+    func constraintWidthTo(_ width: CGFloat, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
+        let constraint = widthAnchor.constraint(equalToConstant: width)
+        if let priority = priority {
+            constraint.priority = priority
+        }
+        return constraint
     }
 
     func fillSuperview() {

deltachat-ios.xcodeproj/project.pbxproj

@@ -32,7 +32,6 @@
 		3057029F24C6445000D84EFC /* EmptyStateLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3057029A24C6441300D84EFC /* EmptyStateLabel.swift */; };
 		305702A124C6453700D84EFC /* TypeAlias.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305702A024C6453700D84EFC /* TypeAlias.swift */; };
 		305702A224C6455400D84EFC /* TypeAlias.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305702A024C6453700D84EFC /* TypeAlias.swift */; };
-		305961CC2346125100C80F33 /* UIView+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305961822346125000C80F33 /* UIView+Extensions.swift */; };
 		305961CD2346125100C80F33 /* UIEdgeInsets+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305961832346125000C80F33 /* UIEdgeInsets+Extensions.swift */; };
 		305961CF2346125100C80F33 /* UIColor+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305961852346125000C80F33 /* UIColor+Extensions.swift */; };
 		305961D02346125100C80F33 /* NSAttributedString+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 305961862346125000C80F33 /* NSAttributedString+Extensions.swift */; };
@@ -277,7 +276,6 @@
 		3057029A24C6441300D84EFC /* EmptyStateLabel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = EmptyStateLabel.swift; sourceTree = "<group>"; };
 		3057029C24C6442800D84EFC /* FlexLabel.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = FlexLabel.swift; sourceTree = "<group>"; };
 		305702A024C6453700D84EFC /* TypeAlias.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TypeAlias.swift; sourceTree = "<group>"; };
-		305961822346125000C80F33 /* UIView+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIView+Extensions.swift"; sourceTree = "<group>"; };
 		305961832346125000C80F33 /* UIEdgeInsets+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIEdgeInsets+Extensions.swift"; sourceTree = "<group>"; };
 		305961852346125000C80F33 /* UIColor+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UIColor+Extensions.swift"; sourceTree = "<group>"; };
 		305961862346125000C80F33 /* NSAttributedString+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "NSAttributedString+Extensions.swift"; sourceTree = "<group>"; };
@@ -617,7 +615,6 @@
 			isa = PBXGroup;
 			children = (
 				AEE56D7F225504DB007DC082 /* Extensions.swift */,
-				305961822346125000C80F33 /* UIView+Extensions.swift */,
 				78E45E4321D3F14A00D4B15E /* UIImage+Extension.swift */,
 				305961832346125000C80F33 /* UIEdgeInsets+Extensions.swift */,
 				305961852346125000C80F33 /* UIColor+Extensions.swift */,
@@ -1461,7 +1458,6 @@
 				AEE6EC482283045D00EDC689 /* EditSettingsController.swift in Sources */,
 				305961DF2346125100C80F33 /* MessageCellDelegate.swift in Sources */,
 				302B84CE2397F6CD001C261F /* URL+Extension.swift in Sources */,
-				305961CC2346125100C80F33 /* UIView+Extensions.swift in Sources */,
 				7A9FB1441FB061E2001FEA36 /* AppDelegate.swift in Sources */,
 				AE76E5EE242BF2EA003CF461 /* WelcomeViewController.swift in Sources */,
 				308FEA52246ABA2700FCEAD6 /* FileMessageSizeCalculator.swift in Sources */,

deltachat-ios/Extensions/UIView+Extensions.swift

@@ -1,311 +0,0 @@
-/*
- MIT License
- 
- Copyright (c) 2017-2019 MessageKit
- 
- 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.
- */
-
-import UIKit
-
-// swiftlint:disable explicit_acl
-
-internal extension UIView {
-
-    func makeBorder(color: UIColor = UIColor.red) {
-        self.layer.borderColor = color.cgColor
-        self.layer.borderWidth = 2
-    }
-
-    func alignLeadingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
-        let constraint = self.leadingAnchor.constraint(equalTo: anchor, constant: paddingLeading)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        constraint.isActive = true
-    }
-
-    func alignTrailingToAnchor(_ anchor: NSLayoutXAxisAnchor, paddingTrailing: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
-        let constraint = self.trailingAnchor.constraint(equalTo: anchor, constant: -paddingTrailing)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        constraint.isActive = true
-    }
-
-    func alignTopToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
-        let constraint = self.topAnchor.constraint(equalTo: anchor, constant: paddingTop)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        constraint.isActive = true
-    }
-
-    func alignBottomToAnchor(_ anchor: NSLayoutYAxisAnchor, paddingBottom: CGFloat = 0.0, priority: UILayoutPriority? = .none) {
-        let constraint = self.bottomAnchor.constraint(equalTo: anchor, constant: -paddingBottom)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        constraint.isActive = true
-    }
-
-    func fill(view: UIView, paddingLeading: CGFloat? = 0.0, paddingTrailing: CGFloat? = 0.0, paddingTop: CGFloat? = 0.0, paddingBottom: CGFloat? = 0.0) {
-        alignLeadingToAnchor(view.leadingAnchor, paddingLeading: paddingLeading ??  0.0)
-        alignTrailingToAnchor(view.trailingAnchor, paddingTrailing: paddingTrailing ?? 0.0)
-        alignTopToAnchor(view.topAnchor, paddingTop: paddingTop ?? 0.0)
-        alignBottomToAnchor(view.bottomAnchor, paddingBottom: paddingBottom ?? 0.0)
-    }
-
-    func constraintAlignTopTo(_ view: UIView) -> NSLayoutConstraint {
-        return constraintAlignTopTo(view, paddingTop: 0.0)
-    }
-
-    func constraintAlignTopTo(_ view: UIView, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .top,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .top,
-            multiplier: 1.0,
-            constant: paddingTop)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintAlignBottomTo(_ view: UIView, paddingBottom: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .bottom,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .bottom,
-            multiplier: 1.0,
-            constant: -paddingBottom)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintAlignLeadingTo(_ view: UIView, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .leading,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .leading,
-            multiplier: 1.0,
-            constant: paddingLeading)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintAlignTrailingTo(_ view: UIView, paddingTrailing: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .trailing,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .trailing,
-            multiplier: 1.0,
-            constant: -paddingTrailing)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintToBottomOf(_ view: UIView, paddingTop: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .top,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .bottom,
-            multiplier: 1.0,
-            constant: paddingTop)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintToTrailingOf(_ view: UIView, paddingLeading: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(
-            item: self,
-            attribute: .leading,
-            relatedBy: .equal,
-            toItem: view,
-            attribute: .trailing,
-            multiplier: 1.0,
-            constant: paddingLeading)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-
-    func constraintCenterXTo(_ view: UIView, paddingX: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(item: self,
-                                  attribute: .centerX,
-                                  relatedBy: .equal,
-                                  toItem: view,
-                                  attribute: .centerX,
-                                  multiplier: 1.0,
-                                  constant: paddingX)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintCenterYTo(_ view: UIView, paddingY: CGFloat = 0.0, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = NSLayoutConstraint(item: self,
-                                  attribute: .centerY,
-                                  relatedBy: .equal,
-                                  toItem: view,
-                                  attribute: .centerY,
-                                  multiplier: 1.0,
-                                  constant: paddingY)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintHeightTo(_ height: CGFloat, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = heightAnchor.constraint(equalToConstant: height)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func constraintWidthTo(_ width: CGFloat, priority: UILayoutPriority? = .none) -> NSLayoutConstraint {
-        let constraint = widthAnchor.constraint(equalToConstant: width)
-        if let priority = priority {
-            constraint.priority = priority
-        }
-        return constraint
-    }
-
-    func fillSuperview() {
-        guard let superview = self.superview else {
-            return
-        }
-        translatesAutoresizingMaskIntoConstraints = false
-
-	    let constraints: [NSLayoutConstraint] = [
-    	    leftAnchor.constraint(equalTo: superview.leftAnchor),
-    	    rightAnchor.constraint(equalTo: superview.rightAnchor),
-    	    topAnchor.constraint(equalTo: superview.topAnchor),
-    	    bottomAnchor.constraint(equalTo: superview.bottomAnchor)]
-	    NSLayoutConstraint.activate(constraints)
-    }
-
-    func centerInSuperview() {
-        guard let superview = self.superview else {
-            return
-        }
-        translatesAutoresizingMaskIntoConstraints = false
-        let constraints: [NSLayoutConstraint] = [
-            centerXAnchor.constraint(equalTo: superview.centerXAnchor),
-            centerYAnchor.constraint(equalTo: superview.centerYAnchor)
-        ]
-        NSLayoutConstraint.activate(constraints)
-    }
-
-    func constraint(equalTo size: CGSize) {
-        guard superview != nil else { return }
-        translatesAutoresizingMaskIntoConstraints = false
-        let constraints: [NSLayoutConstraint] = [
-            widthAnchor.constraint(equalToConstant: size.width),
-            heightAnchor.constraint(equalToConstant: size.height)
-        ]
-        NSLayoutConstraint.activate(constraints)
-
-    }
-
-    @discardableResult
-    func addConstraints(_ top: NSLayoutYAxisAnchor? = nil, left: NSLayoutXAxisAnchor? = nil, bottom: NSLayoutYAxisAnchor? = nil, right: NSLayoutXAxisAnchor? = nil, centerY: NSLayoutYAxisAnchor? = nil, centerX: NSLayoutXAxisAnchor? = nil, topConstant: CGFloat = 0, leftConstant: CGFloat = 0, bottomConstant: CGFloat = 0, rightConstant: CGFloat = 0, centerYConstant: CGFloat = 0, centerXConstant: CGFloat = 0, widthConstant: CGFloat = 0, heightConstant: CGFloat = 0) -> [NSLayoutConstraint] {
-
-        if self.superview == nil {
-            return []
-        }
-        translatesAutoresizingMaskIntoConstraints = false
-
-        var constraints = [NSLayoutConstraint]()
-
-        if let top = top {
-            let constraint = topAnchor.constraint(equalTo: top, constant: topConstant)
-            constraint.identifier = "top"
-            constraints.append(constraint)
-        }
-        if let left = left {
-            let constraint = leftAnchor.constraint(equalTo: left, constant: leftConstant)
-            constraint.identifier = "left"
-            constraints.append(constraint)
-        }
-
-        if let bottom = bottom {
-            let constraint = bottomAnchor.constraint(equalTo: bottom, constant: -bottomConstant)
-            constraint.identifier = "bottom"
-            constraints.append(constraint)
-        }
-
-        if let right = right {
-            let constraint = rightAnchor.constraint(equalTo: right, constant: -rightConstant)
-            constraint.identifier = "right"
-            constraints.append(constraint)
-        }
-
-        if let centerY = centerY {
-            let constraint = centerYAnchor.constraint(equalTo: centerY, constant: centerYConstant)
-            constraint.identifier = "centerY"
-            constraints.append(constraint)
-        }
-
-        if let centerX = centerX {
-            let constraint = centerXAnchor.constraint(equalTo: centerX, constant: centerXConstant)
-            constraint.identifier = "centerX"
-            constraints.append(constraint)
-        }
-
-        if widthConstant > 0 {
-            let constraint = widthAnchor.constraint(equalToConstant: widthConstant)
-            constraint.identifier = "width"
-            constraints.append(constraint)
-        }
-
-        if heightConstant > 0 {
-            let constraint = heightAnchor.constraint(equalToConstant: heightConstant)
-            constraint.identifier = "height"
-            constraints.append(constraint)
-        }
-
-        NSLayoutConstraint.activate(constraints)
-        return constraints
-    }
-}