added isEnabled func.

MVMCoreUI/Atoms/Views/Checkbox.swift

@@ -62,7 +62,7 @@ import MVMCore
     private var shapeLayer: CAShapeLayer?
     
     /// Width of the check mark.
-    public var checkWidth: CGFloat = 2 {
+    public var checkWidth: CGFloat = 2.3 {
         didSet {
             if let shapeLayer = shapeLayer {
                 CATransaction.withDisabledAnimations {
@@ -75,11 +75,7 @@ import MVMCore
     /// Color of the check mark.
     public var checkColor: UIColor = .black {
         didSet {
-            if let shapeLayer = shapeLayer {
+            setshapeLayerStrokeColor(checkColor)
-                CATransaction.withDisabledAnimations {
-                    shapeLayer.strokeColor = checkColor.cgColor
-                }
-            }
         }
     }
     
@@ -285,7 +281,7 @@ import MVMCore
                 self.shapeLayer?.strokeEnd = isSelected ? 1 : 0
             }
             
-            self.backgroundColor = isSelected ? self.checkedBackgroundColor : self.unCheckedBackgroundColor
+            backgroundColor = isSelected ? checkedBackgroundColor : unCheckedBackgroundColor
         }
     }
     
@@ -297,6 +293,32 @@ import MVMCore
         }
     }
     
+    func isEnabled(_ enabled: Bool) {
+        
+        isUserInteractionEnabled = enabled
+        
+        if enabled {
+            layer.borderColor = borderColor.cgColor
+            backgroundColor = isSelected ? checkedBackgroundColor : unCheckedBackgroundColor
+            alpha = 1.0
+            setshapeLayerStrokeColor(checkColor)
+        } else {
+            layer.borderColor = UIColor.mfSilver().cgColor
+            backgroundColor = .white
+            alpha = DisableOppacity
+            setshapeLayerStrokeColor(UIColor.mfSilver())
+        }
+    }
+    
+    private func setshapeLayerStrokeColor(_ color: UIColor) {
+        
+        if let shapeLayer = shapeLayer {
+            CATransaction.withDisabledAnimations {
+                shapeLayer.strokeColor = color.cgColor
+            }
+        }
+    }
+    
     //--------------------------------------------------
     // MARK: - UITouch
     //--------------------------------------------------