UITextField+Extension.swift

import Foundation

import UIKit

extension UITextField {
    
    func designTextField(placeholder: String,content: String?){
        let paddingView = UIView(frame: CGRectMake(0, 0, 15, self.frame.height))
        
        self.enabled = true
        self.leftView = paddingView
        self.leftViewMode = UITextFieldViewMode.Always
        self.layer.cornerRadius = self.bounds.height * 0.5
        self.backgroundColor = EA_DesignHelper.textFieldBackgroundColor
        self.layer.borderColor = EA_DesignHelper.textFieldBorderColor.CGColor
        self.layer.borderWidth = EA_DesignHelper.textFieldBorderWidth
        self.attributedPlaceholder = NSAttributedString(string:NSLocalizedString(placeholder,comment:""),
            attributes:[NSForegroundColorAttributeName: EA_DesignHelper.textFieldPlaceHolderColor ])
        self.textColor = EA_DesignHelper.textFieldTextColor
    }

    func designTextFieldNoneEditable(placeholder: String,content: String?){
        self.designTextField(placeholder, content: content)
        self.layer.borderWidth = 0.0
        self.enabled = false
    }
    
    //MARK Forms validation
    
    func validateHorseName() -> (Bool, String?)
    {
        if self.text?.isEmpty ?? true
        {
            return (false, NSLocalizedString("Horse's name must not be empty", comment: ""))
        }
        return (true, nil)
    }
    
    func validateHorseAge() -> (Bool, String?)
    {
        if self.text?.isEmpty ?? true
        {
            return (false, NSLocalizedString("Horse's age must not be empty", comment: ""))
        }
        return (true, nil)
    }
    
    static func textFieldsForView(view:UIView) -> [UITextField]
    {
        var textFields:[UITextField] = [UITextField]()
        
        view.subviews.forEach { (subView:UIView) -> () in
            if let tf:UITextField = subView as? UITextField
            {
                textFields.append(tf)
            }
            else if subView.respondsToSelector("subviews")
            {
                textFields.appendContentsOf(UITextField.textFieldsForView(subView))
            }
        }
        return textFields
        
    }
}