constraints added. changes made.

MVMCoreUI/Atoms/Views/Checkbox.swift

@@ -75,7 +75,7 @@ import MVMCore
     /// Color of the check mark.
     public var checkColor: UIColor = .black {
         didSet {
-            setshapeLayerStrokeColor(checkColor)
+            setShapeLayerStrokeColor(checkColor)
         }
     }
     
@@ -115,6 +115,21 @@ import MVMCore
         }
     }
     
+    //--------------------------------------------------
+    // MARK: - Constraints
+    //--------------------------------------------------
+    
+    private var heightConstraint: NSLayoutConstraint?
+    private var widthConstraint: NSLayoutConstraint?
+    
+    /// Updates the height and width anchors of the Checkbox with the assigned value.
+    public var heigthWidthConstant: Int = Checkbox.defaultHeightWidth {
+        didSet {
+            heightConstraint?.constant = heigthWidthConstant
+            widthConstraint?.constant = heigthWidthConstant
+        }
+    }
+    
     //--------------------------------------------------
     // MARK: - Initializers
     //--------------------------------------------------
@@ -170,9 +185,15 @@ import MVMCore
     
     open func setupView() {
         
+        guard constraints.isEmpty else { return }
+        
         isUserInteractionEnabled = true
         translatesAutoresizingMaskIntoConstraints = false
         backgroundColor = .clear
+        
+        widthConstraint = widthAnchor.constraint(equalToConstant: Checkbox.defaultHeightWidth)
+        heightConstraint = heightAnchor.constraint(equalToConstant: Checkbox.defaultHeightWidth)
+        heightWidthIsActive(true)
     }
     
     //--------------------------------------------------
@@ -301,16 +322,16 @@ import MVMCore
             layer.borderColor = borderColor.cgColor
             backgroundColor = isSelected ? checkedBackgroundColor : unCheckedBackgroundColor
             alpha = 1.0
-            setshapeLayerStrokeColor(checkColor)
+            setShapeLayerStrokeColor(checkColor)
         } else {
             layer.borderColor = UIColor.mfSilver().cgColor
             backgroundColor = .clear
             alpha = DisableOppacity
-            setshapeLayerStrokeColor(UIColor.mfSilver())
+            setShapeLayerStrokeColor(UIColor.mfSilver())
         }
     }
     
-    private func setshapeLayerStrokeColor(_ color: UIColor) {
+    private func setShapeLayerStrokeColor(_ color: UIColor) {
         
         if let shapeLayer = shapeLayer {
             CATransaction.withDisabledAnimations {
@@ -319,6 +340,12 @@ import MVMCore
         }
     }
     
+    public func heightWidthIsActive(_ isActive: Bool) {
+        
+        heightConstraint?.isActive = isActive
+        widthConstraint?.isActive = isActive
+    }
+    
     //--------------------------------------------------
     // MARK: - UITouch
     //--------------------------------------------------