frankchang0125

enum Gender: Int {
    case Male
    case Female
        
    /* Trick to get the count of enum */
    static let count: Int = {
        var max: Int = 0
        while let _ = Gender(rawValue: max) { max += 1 }
        return max
    }()

frankchang0125

enum DetailInfoRowType: Int {
    case AddressRow
        case PhoneRow
        case OpeningHoursRow
        case DiscountHoursRow
        case PriceRangesRow
        case IntroRow
}

let detailInfoRow = detailInfoRows[indexPath.row]

frankchang0125

/* We call layoutIfNeeded() immediately after reloadData()
 * to force collection view to perform layout immediately
 * This is required to let the setContentOffset() in dispatch block to be executed
 * after collection view has completed performing its layout to scroll to the correct offset
 * For further explanations, please see: http://goo.gl/BpzlA5 and http://goo.gl/6CH64b
 */
self.collectionView.reloadData()
self.collectionView.layoutIfNeeded()

dispatch_async(dispatch_get_main_queue(), {

frankchang0125

/* We call layoutIfNeeded() immediately after reloadData()
 * to force table view to perform layout immediately
 * This is required to let the setContentOffset() in dispatch block to be executed
 * after table view has completed performing its layout to scroll to the correct offset
 * For further explanations, please see: http://goo.gl/BpzlA5 and http://goo.gl/6CH64b
 */
self.tableView.reloadData()
self.tableView.layoutIfNeeded()

dispatch_async(dispatch_get_main_queue(), {

frankchang0125

func textViewDidBeginEditing(textView: UITextView) {
    /* Simulate the placeholder effect */
    if textView.text == <Simulated placeholder> {
        textView.text = ""
        textView.textColor = UIColor.blackColor()
    }
}
    
func textViewDidEndEditing(textView: UITextView) {
    /* Simulate the placeholder effect */

frankchang0125

textField.addTarget(self, action: #selector(textFieldEditingChanged(_:)),
                    forControlEvents: .EditingChanged)

frankchang0125

/* Dismiss keyboard */
UIApplication.sharedApplication().sendAction(#selector(resignFirstResponder), to: nil, from: nil, forEvent: nil)

frankchang0125

override func viewDidLoad() {
    super.viewDidLoad()
    self.tableView.tableFooterView = UIView()
}

frankchang0125

/* Get the height of ONE line text with given width and font */
func heightOfOneLineString(text: String, width: CGFloat, font: UIFont) -> CGFloat {
    let rectOneLine = NSString(string: text).boundingRect(with: CGSize(width: width, height: CGFloat(MAXFLOAT)),
                                                          options: .truncatesLastVisibleLine,
                                                          attributes: [ NSFontAttributeName: font ],
                                                          context: nil)
    return rectOneLine.size.height
}

/* Get the height of MULTIPLE lines text with given width and font */

frankchang0125

func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
    /* Allow integer only */
    let invalidCharacters = CharacterSet.decimalDigits.inverted
    return string.rangeOfCharacter(from: invalidCharacters) == nil
}