BeyondBirth/addItemViewController.swift at master · Chiagoziem/BeyondBirth · GitHub

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//
//  addItemViewController.swift
//  CoreDataExample
//
//  Created by Farhan Syed on 4/16/17.
//  Copyright © 2017 Farhan Syed. All rights reserved.
//

import UIKit
import CoreData

class addItemViewController: UIViewController, UITextViewDelegate {

    @IBOutlet var itemEntryTextView: UITextView?

    @IBAction func cancel(_ sender: Any) {
        dismiss(animated: true, completion: nil)
    }
    @IBAction func saveContact(_ sender: Any) {

        if (itemEntryTextView?.text.isEmpty)! || itemEntryTextView?.text == "Type anything..."{
            print("No Data")

            let alert = UIAlertController(title: "Please Type Something", message: "Your entry was left blank.", preferredStyle: .alert)
            alert.addAction(UIAlertAction(title: "Okay", style: .default) { action in

            })

            self.present(alert, animated: true, completion: nil)

        } else {

            guard let entryText = itemEntryTextView?.text else {
                return
            }

            let date = Date()
            let formatter = DateFormatter()
            formatter.dateFormat = "MM/dd/YY"
            let currentDate = formatter.string(from: date)

            let timeFormatter = DateFormatter()
            timeFormatter.timeStyle = .short
            let currentTime = timeFormatter.string(from: date)

            let context = (UIApplication.shared.delegate as! AppDelegate).persistentContainer.viewContext
            let newEntry = Item(context: context)
            newEntry.name = entryText
            newEntry.date = currentDate
            newEntry.time = currentTime

            (UIApplication.shared.delegate as! AppDelegate).saveContext()

            dismiss(animated: true, completion: nil)

        }

    }

    override func viewDidLoad() {
        super.viewDidLoad()

        itemEntryTextView?.delegate = self

        // Do any additional setup after loading the view.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    func textViewDidBeginEditing(_ textView: UITextView) {
        textView.text = ""
        textView.textColor = UIColor.black
    }

    func textView(_ textView: UITextView, shouldChangeTextIn range: NSRange, replacementText text: String) -> Bool {
        if (text == "\n") {
            textView.resignFirstResponder()
            return false
        }
        return true
    }
}