/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    A view controller that demonstrates how to use UITextField.

*/

import UIKit

class TextFieldViewController: UITableViewController, UITextFieldDelegate {

    // MARK: Properties

    @IBOutlet weak var textField: UITextField!

    @IBOutlet weak var tintedTextField: UITextField!

    @IBOutlet weak var secureTextField: UITextField!

    @IBOutlet weak var specificKeyboardTextField: UITextField!

    @IBOutlet weak var customTextField: UITextField!

    // Mark: View Life Cycle

    override func viewDidLoad() {

        super.viewDidLoad()

        configureTextField()

        configureTintedTextField()

        configureSecureTextField()

        configureSpecificKeyboardTextField()

        configureCustomTextField()

    }

    // MARK: Configuration

    func configureTextField() {

        textField.placeholder = NSLocalizedString("Placeholder text", comment: "")

        textField.autocorrectionType = .Yes

        textField.returnKeyType = .Done

        textField.clearButtonMode = .Never

    }

    func configureTintedTextField() {

        tintedTextField.tintColor = UIColor.applicationBlueColor()

        tintedTextField.textColor = UIColor.applicationGreenColor()

        tintedTextField.placeholder = NSLocalizedString("Placeholder text", comment: "")

        tintedTextField.returnKeyType = .Done

        tintedTextField.clearButtonMode = .Never

    }

    func configureSecureTextField() {

        secureTextField.secureTextEntry = true

        secureTextField.placeholder = NSLocalizedString("Placeholder text", comment: "")

        secureTextField.returnKeyType = .Done

        secureTextField.clearButtonMode = .Always

    }

    /// There are many different types of keyboards that you may choose to use.

    /// The different types of keyboards are defined in the UITextInputTraits interface.

    /// This example shows how to display a keyboard to help enter email addresses.

    func configureSpecificKeyboardTextField() {

        specificKeyboardTextField.keyboardType = .EmailAddress

        specificKeyboardTextField.placeholder = NSLocalizedString("Placeholder text", comment: "")

        specificKeyboardTextField.returnKeyType = .Done

    }

    func configureCustomTextField() {

        // Text fields with custom image backgrounds must have no border.

        customTextField.borderStyle = .None

        customTextField.background = UIImage(named: "text_field_background")

        // Create a purple button that, when selected, turns the custom text field's text color

        // to purple.

        let purpleImage = UIImage(named: "text_field_purple_right_view")!

        let purpleImageButton = UIButton.buttonWithType(.Custom) as! UIButton

        purpleImageButton.bounds = CGRect(x: 0, y: 0, width: purpleImage.size.width, height: purpleImage.size.height)

        purpleImageButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 5)

        purpleImageButton.setImage(purpleImage, forState: .Normal)

        purpleImageButton.addTarget(self, action: "customTextFieldPurpleButtonClicked", forControlEvents: .TouchUpInside)

        customTextField.rightView = purpleImageButton

        customTextField.rightViewMode = .Always

        // Add an empty view as the left view to ensure inset between the text and the bounding rectangle.

        let leftPaddingView = UIView(frame: CGRect(x: 0, y: 0, width: 10, height: 0))

        leftPaddingView.backgroundColor = UIColor.clearColor()

        customTextField.leftView = leftPaddingView

        customTextField.leftViewMode = .Always

        customTextField.placeholder = NSLocalizedString("Placeholder text", comment: "")

        customTextField.autocorrectionType = .No

        customTextField.returnKeyType = .Done

    }

    // MARK: UITextFieldDelegate

    func textFieldShouldReturn(textField: UITextField) -> Bool {

        textField.resignFirstResponder()

        return true

    }

    // MARK: Actions

    func customTextFieldPurpleButtonClicked() {

        customTextField.textColor = UIColor.applicationPurpleColor()

        NSLog("The custom text field's purple right view button was clicked.")

    }

}