add cutomer sub image view

ChineseFoodTracker/RatingControl.swift

@@ -9,19 +9,40 @@
 import UIKit
 
 class RatingControl: UIView {
+    
+    //MARK: properties
+    var rating = 0
+    var ratingButtons = [UIButton]()
 
     //MARK: initializaion
     required init(coder aDecoder: NSCoder) {
         super.init(coder: aDecoder)
-        let button = UIButton(frame: CGRect(x: 0, y: 0, width: 44, height: 44))
-        button.backgroundColor = UIColor.redColor()
-        button.addTarget(self, action: "ratingButtonTapped", forControlEvents: .TouchDown)
-        addSubview(button)
+        
+        for _ in  1...5 {
+            let button = UIButton()
+            button.backgroundColor = UIColor.redColor()
+            button.addTarget(self, action: "ratingButtonTapped:", forControlEvents: .TouchDown)
+            ratingButtons += [button]
+            addSubview(button)
+        }
+        
+    }
+    
+    override func layoutSubviews() {
+        let buttonSize = Int(frame.size.height)
+
+        
+        var buttonFrame = CGRect(x: 0, y: 0, width: buttonSize, height: buttonSize)
+        for (index, button) in ratingButtons.enumerate() {
+            buttonFrame.origin.x = CGFloat(index * (buttonSize + 5))
+            button.frame = buttonFrame
+        }
+        
     }
     
     //MARK: button action
     func ratingButtonTapped(button: UIButton){
-        print("button pressed")
+        print("button pressed 🎃😀")
         
     }
 }