SwitchTest.playground

// Playground - noun: a place where people can play

import UIKit

enum SMPageControlVerticalAlignment {
	case Top
	case Middle
	case Bottom
}

// Used as a class property in SwitchTest.swift
var verticalAlignment = SMPageControlVerticalAlignment.Middle

// Stand-ins for values passed to topOffsetForHeight
var rect = CGRect(x: 0.0, y: 0.0, width: 100.0, height: 100.0)
var height: Float = 10.0

// broken out function from SwitchTest.swift
var top: Float = 0.0

switch verticalAlignment {
case .Middle:
	top = CGRectGetMidY(rect) - (height / 2.0)
case .Bottom:
	top = CGRectGetMaxY(rect) - height
default:
	top = 0.0
}

SwitchTest.swift

//
//  SwitchTest.swift
//  SMPageControlFramework
//
//  Created by Jerry Jones on 6/6/14.
//  Copyright (c) 2014 Spaceman Labs, Inc. All rights reserved.
//

import UIKit

class SwitchTest: UIView {

	enum SMPageControlVerticalAlignment {
		case Top
		case Middle
		case Bottom
	}
	
	var verticalAlignment = SMPageControlVerticalAlignment.Middle
	
	init(frame: CGRect) {
		super.init(frame: frame)
		// Initialization code
	}
	
	func topOffsetForHeight(height: Float, rect: CGRect) -> Float
	{
		var top: Float = 0.0
		
		switch verticalAlignment {
		case .Middle:
			top = CGRectGetMidY(rect) - (height / 2.0)
		case .Bottom:
			top = CGRectGetMaxY(rect) - height
		default:
			top = 0.0
		}
		
		return 0.0
	}
	
}