development: issue-510: fixed issue where visualLayer was not initialized in TableViewCell

Sources/iOS/Button.swift

@@ -39,7 +39,7 @@ open class Button: UIButton {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-	open private(set) var visualLayer: CAShapeLayer!
+	open private(set) lazy var visualLayer = CAShapeLayer()
 	
 	/// An Array of pulse layers.
 	public private(set) lazy var pulseLayers = [CAShapeLayer]()
@@ -237,7 +237,6 @@ open class Button: UIButton {
 	
 	/// Prepares the visualLayer property.
 	internal func prepareVisualLayer() {
-        visualLayer = CAShapeLayer()
         visualLayer.zPosition = 0
 		visualLayer.masksToBounds = true
 		layer.addSublayer(visualLayer)

Sources/iOS/CollectionReusableView.swift

@@ -39,16 +39,18 @@ open class MaterialCollectionReusableView: UICollectionReusableView {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-	open private(set) var visualLayer: CAShapeLayer!
+	open private(set) lazy var visualLayer = CAShapeLayer()
 	
 	/// An Array of pulse layers.
 	open private(set) lazy var pulseLayers = [CAShapeLayer]()
 	
 	/// The opcaity value for the pulse animation.
-	@IBInspectable open var pulseOpacity: CGFloat = 0.25
+	@IBInspectable
+    open var pulseOpacity: CGFloat = 0.25
 	
 	/// The color of the pulse effect.
-	@IBInspectable open var pulseColor = Color.grey.base
+	@IBInspectable
+    open var pulseColor = Color.grey.base
 	
 	/// The type of PulseAnimation.
 	open var pulseAnimation = PulseAnimation.pointWithBacking
@@ -58,7 +60,8 @@ open class MaterialCollectionReusableView: UICollectionReusableView {
      property. Images should not be set to the backing layer's contents
      property to avoid conflicts when using clipsToBounds.
      */
-	@IBInspectable open var image: UIImage? {
+	@IBInspectable
+    open var image: UIImage? {
 		didSet {
 			visualLayer.contents = image?.cgImage
 		}
@@ -271,7 +274,6 @@ open class MaterialCollectionReusableView: UICollectionReusableView {
 	
 	/// Prepares the visualLayer property.
 	internal func prepareVisualLayer() {
-        visualLayer = CAShapeLayer()
 		visualLayer.zPosition = 0
 		visualLayer.masksToBounds = true
 		layer.addSublayer(visualLayer)

Sources/iOS/CollectionViewCell.swift

@@ -42,16 +42,18 @@ open class CollectionViewCell: UICollectionViewCell {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-    open private(set) var visualLayer: CAShapeLayer!
+    open private(set) lazy var visualLayer = CAShapeLayer()
 	
 	/// An Array of pulse layers.
 	open private(set) lazy var pulseLayers = [CAShapeLayer]()
 	
 	/// The opcaity value for the pulse animation.
-	@IBInspectable open var pulseOpacity: CGFloat = 0.25
+	@IBInspectable
+    open var pulseOpacity: CGFloat = 0.25
 	
 	/// The color of the pulse effect.
-	@IBInspectable open var pulseColor: UIColor = Color.grey.base
+	@IBInspectable
+    open var pulseColor = Color.grey.base
 	
 	/// The type of PulseAnimation.
 	open var pulseAnimation = PulseAnimation.pointWithBacking
@@ -282,7 +284,6 @@ open class CollectionViewCell: UICollectionViewCell {
 	
 	/// Prepares the visualLayer property.
 	internal func prepareVisualLayer() {
-        visualLayer = CAShapeLayer()
 		visualLayer.zPosition = 0
 		visualLayer.masksToBounds = true
 		layer.addSublayer(visualLayer)

Sources/iOS/Layer.swift

@@ -38,7 +38,7 @@ open class Layer: CAShapeLayer {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-	open private(set) var visualLayer: CAShapeLayer!
+	open private(set) lazy var visualLayer = CAShapeLayer()
 	
 	/**
      A property that manages an image for the visualLayer's contents
@@ -165,7 +165,6 @@ open class Layer: CAShapeLayer {
 	
 	/// Prepares the visualLayer property.
 	open func prepareVisualLayer() {
-		visualLayer = CAShapeLayer()
         visualLayer.zPosition = 0
 		visualLayer.masksToBounds = true
 		addSublayer(visualLayer)

Sources/iOS/TableViewCell.swift

@@ -38,7 +38,7 @@ open class TableViewCell: UITableViewCell {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-	open internal(set) var visualLayer: CAShapeLayer!
+	open private(set) lazy var visualLayer = CAShapeLayer()
 	
     /// An Array of pulse layers.
     open private(set) lazy var pulseLayers = [CAShapeLayer]()

Sources/iOS/View.swift

@@ -39,7 +39,7 @@ open class View: UIView {
      allows the dropshadow effect on the backing layer, while clipping
      the image to a desired shape within the visualLayer.
      */
-	open private(set) var visualLayer: CAShapeLayer!
+	open private(set) lazy var visualLayer = CAShapeLayer()
 	
 	/**
      A property that manages an image for the visualLayer's contents
@@ -180,8 +180,7 @@ open class View: UIView {
 	
 	/// Prepares the visualLayer property.
 	internal func prepareVisualLayer() {
-		visualLayer = CAShapeLayer()
-        visualLayer.zPosition = 0
+		visualLayer.zPosition = 0
 		visualLayer.masksToBounds = true
 		layer.addSublayer(visualLayer)
 	}