[iOS] 메모 앱 만들기 Day-4

task가 저장된 다음 화면으로 넘어가기까지는 구현했는데..

과제의 요구사항에 맞도록 스위치도 넣고 이것 저것 수정해야겠다.

 

할 수 있겠지? 할 수 있을까? 

느낌표만 던지는 인생이고 파..

---

 

 

ViewController ▽

//
//  ViewController.swift
//  MyTodoList
//
//  Created by 채나연 on 3/20/24.
//

import UIKit



class ViewController: UIViewController {
    
    
    @IBOutlet var tableView: UITableView!
    
    var tasks = [String]()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.title = "Tasks"
        
        tableView.delegate = self
        tableView.dataSource = self
        
        // Setup
        
        if !UserDefaults().bool(forKey: "setup") {
            UserDefaults().set(true, forKey: "setup")
            UserDefaults().set(0, forKey: "count")
        }
        
        // Get all current saved tasks
        updateTasks()
    }
    
    func updateTasks() {
        
        tasks.removeAll()
        
        guard let count = UserDefaults().value(forKey: "count") as? Int else {
            return
        }
        
        for x in 0..<count {
            
            if let task = UserDefaults().value(forKey: "task_\(x+1)") as? String {
                tasks.append(task)
            }
        }
        
        tableView.reloadData()
        
    }
    
    @IBAction func didTapAdd() {
        
        let vc = storyboard?.instantiateViewController(identifier:"entry") as! EntryViewController
        vc.title = "New Task"
        vc.update = {
            DispatchQueue.main.async {
                self.updateTasks()
            }
        }
        navigationController?.pushViewController(vc, animated: true)
        
    }
    
}
    

    extension ViewController: UITableViewDelegate {
        
        func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
            tableView.deselectRow(at: indexPath, animated: true)
            
            
            let vc = storyboard?.instantiateViewController(identifier:"task") as! TaskViewController
            vc.title = "New Task"
            vc.task = tasks[indexPath.row]
            navigationController?.pushViewController(vc, animated: true)
            
        }
        
    }
    
    extension ViewController: UITableViewDataSource {
        
        func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
            return tasks.count
        }
        
        func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
            let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
            
            cell.textLabel?.text = tasks[indexPath.row]
            
            return cell
        }
    }

 

 

EntryViewController ▽

//
//  EntryViewController.swift
//  MyTodoList
//
//  Created by 채나연 on 3/20/24.
//

import UIKit

class EntryViewController: UIViewController, UITextFieldDelegate {
    
    @IBOutlet var field: UITextField!
    
    var update: (() -> Void)?

    override func viewDidLoad() {
        super.viewDidLoad()
        field.delegate = self
        
        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Save", style: .done, target: self, action: #selector(saveTask))
   
    }
    
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        
        saveTask()
        
        return true
    }

    @objc func saveTask() {
        guard let text = field.text, !text.isEmpty else {
            return
        }
        
        guard let count = UserDefaults().value(forKey: "count") as? Int else {
            return
        }
        
        
        let newCount = count + 1
        UserDefaults().set(newCount, forKey: "count")
        UserDefaults().set(text, forKey: "task_\(newCount)")

        update?()
        
        navigationController?.popViewController(animated: true)

    }
}

 

 

TaskViewController ▽

//
//  TaskViewController.swift
//  MyTodoList
//
//  Created by 채나연 on 3/20/24.
//

import UIKit

class TaskViewController: UIViewController {
    
    @IBOutlet var label: UILabel!
    
    var task: String?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        label.text = task
        
        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "Delete", style:.done, target:self, action: #selector(deleteTask))
    }
    
    @objc func deleteTask() {
        
//        let newCount = count - 1
//      UserDefaults().setValue(newCount, forKey: "count")
//        UserDefaults().setValue(nil, forKey: "task_\(currentPosition)")
        
    }
}

 

 

main storyboard ▽