added shadow depth

Source/FlatButton.swift

@@ -38,7 +38,7 @@ public class FlatButton : MaterialButton {
 	//
 	internal override func prepareLayer() {
 		super.prepareLayer()
-		shadow = MaterialTheme.button.flat.shadow
+		shadowDepth = MaterialTheme.button.flat.shadowDepth
 		shadowColor = MaterialTheme.button.flat.shadowColor
 		zPosition = MaterialTheme.button.flat.zPosition
 		masksToBounds = MaterialTheme.button.flat.masksToBounds

Source/MaterialButton.swift

@@ -145,11 +145,11 @@ public class MaterialButton : UIButton {
 	}
 	
 	/**
-		:name:	shadow
+		:name:	shadowDepth
 	*/
-	public var shadow: MaterialShadow! {
+	public var shadowDepth: MaterialShadow! {
 		didSet {
-			let value: MaterialShadowType = MaterialShadowToValue(shadow)
+			let value: MaterialShadowType = MaterialShadowToValue(shadowDepth)
 			shadowOffset = value.offset
 			shadowOpacity = value.opacity
 			shadowRadius = value.radius

Source/MaterialTheme.swift

@@ -37,7 +37,7 @@ public extension MaterialTheme.view {
 	public static let height: CGFloat = UIScreen.mainScreen().bounds.height
 	
 	// shadow
-	public static let shadow: MaterialShadow = .Depth0
+	public static let shadowDepth: MaterialShadow = .Depth0
 	public static let shadowColor: UIColor = MaterialColor.blueGrey.darken4
 	
 	// shape
@@ -73,7 +73,7 @@ public extension MaterialTheme.navigation {
 	public static let height: CGFloat = 70
 	
 	// shadow
-	public static let shadow: MaterialShadow = .Depth1
+	public static let shadowDepth: MaterialShadow = .Depth1
 	public static let shadowColor: UIColor = MaterialTheme.view.shadowColor
 	
 	// shape
@@ -104,7 +104,7 @@ public extension MaterialTheme.navigation {
 // button
 public extension MaterialTheme.button {
 	// shadow
-	public static let shadow: MaterialShadow = .Depth0
+	public static let shadowDepth: MaterialShadow = .Depth0
 	public static let shadowColor: UIColor = MaterialTheme.view.shadowColor
 	
 	// shape
@@ -133,7 +133,7 @@ public extension MaterialTheme.button {
 // button.flat
 public extension MaterialTheme.button.flat {
 	// shadow
-	public static let shadow: MaterialShadow = MaterialTheme.button.shadow
+	public static let shadowDepth: MaterialShadow = MaterialTheme.button.shadowDepth
 	public static let shadowColor: UIColor = MaterialTheme.button.shadowColor
 	
 	// shape

Source/MaterialView.swift

@@ -190,11 +190,11 @@ public class MaterialView: UIView {
 	}
 	
 	/**
-		:name:	shadow
+		:name:	shadowDepth
 	*/
-	public var shadow: MaterialShadow! {
+	public var shadowDepth: MaterialShadow! {
 		didSet {
-			let value: MaterialShadowType = MaterialShadowToValue(shadow)
+			let value: MaterialShadowType = MaterialShadowToValue(shadowDepth)
 			shadowOffset = value.offset
 			shadowOpacity = value.opacity
 			shadowRadius = value.radius
@@ -260,7 +260,7 @@ public class MaterialView: UIView {
 		contentsCenter = MaterialTheme.view.contentsCenter
 		contentsScale = MaterialTheme.view.contentsScale
 		contentsGravity = MaterialTheme.view.contentsGravity
-		shadow = MaterialTheme.view.shadow
+		shadowDepth = MaterialTheme.view.shadowDepth
 		shadowColor = MaterialTheme.view.shadowColor
 		zPosition = MaterialTheme.view.zPosition
 		masksToBounds = MaterialTheme.view.masksToBounds

Source/NavigationBarView.swift

@@ -54,7 +54,7 @@ public class NavigationBarView: MaterialView {
 		contentsCenter = MaterialTheme.navigation.contentsCenter
 		contentsScale = MaterialTheme.navigation.contentsScale
 		contentsGravity = MaterialTheme.navigation.contentsGravity
-		shadow = MaterialTheme.navigation.shadow
+		shadowDepth = MaterialTheme.navigation.shadowDepth
 		shadowColor = MaterialTheme.navigation.shadowColor
 		zPosition = MaterialTheme.navigation.zPosition
 		masksToBounds = MaterialTheme.navigation.masksToBounds