KrauserHuang

override func viewDidLoad() {
        super.viewDidLoad()
        // 取讀螢幕尺寸
        let fullScreenSize = UIScreen.main.bounds.size
        // 設定UITableView，原點/尺寸，另外style可設定是否tableView是一大串row或是有section分隔
        let myTableView = UITableView(frame: CGRect(x: 0, y: 20, width: fullScreenSize.width, height: fullScreenSize.height - 20), style: .grouped)
        // 註冊cell
        myTableView.register(UITableViewCell.self, forCellReuseIdentifier: "Cell")
        // 設定Delegate/DataSource對象（也就是這一個ViewController本身）
        myTableView.delegate = self

KrauserHuang

extension ViewController: UITableViewDataSource {
    // 顯示每一組有幾個cell
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return info[section].count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as UITableViewCell
        if indexPath.section == 1 {
            if indexPath.row == 0 {

KrauserHuang

extension ViewController: UITableViewDelegate {
    // 點選cell後執行的動作
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        // 設置取消點選cell後的動畫
        tableView.deselectRow(at: indexPath, animated: true)
        let name = info[indexPath.section][indexPath.row]
        print("選擇的是\(name)")
    }
    /*
     點選 Accessory 按鈕後執行的動作

KrauserHuang

@IBAction func addButtonPressed(_ sender: UIBarButtonItem) {
        var textField = UITextField()
        let controller = UIAlertController(title: "Add New Item", message: "", preferredStyle: .alert)
        let action = UIAlertAction(title: "Add Item", style: .default) { (action) in
            do {
                try self.realm.write {
                    let newItem = Item()
                    newItem.title = textField.text!
                    newItem.order += 1
                    self.realm.add(newItem)

KrauserHuang

extension TodoItemViewController: SwipeTableViewCellDelegate {
    func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath, for orientation: SwipeActionsOrientation) -> [SwipeAction]? {
        guard orientation == .right else { return nil }
        
        let deleteAction = SwipeAction(style: .destructive, title: "Delete") { action, indexPath in
            if let item = self.todoItems?[indexPath.row] {
                do {
                    try self.realm.write {
                        self.realm.delete(item)
                    }

KrauserHuang

override func tableView(_ tableView: UITableView, moveRowAt sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath) {
        do {
            try realm.write {
                let sourceItem = todoItems?[sourceIndexPath.row]
                let destinationItem = todoItems?[destinationIndexPath.row]
                print(sourceIndexPath.row)
                let destinationItemOrder = destinationItem?.order

                if sourceIndexPath.row < destinationIndexPath.row {
                    // 由上往下移動

KrauserHuang

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell", for: indexPath) as! SwipeTableViewCell
        cell.delegate = self
        // 因為todoItems是optional，用optional binding來確保item型別不是optional
        if let item = todoItems?[indexPath.row] {
            cell.textLabel?.text = item.title
            cell.accessoryType = item.done ? .checkmark : .none
        } else {
            cell.textLabel?.text = "No Items Added"
        }

KrauserHuang

    @IBAction func signUpPressed(_ sender: UIButton) {
        // Validate the field, 先對textField做判斷
        let error = validateTextField()
        if error != nil {
            popAlert(title: "Error occured", message: error!, alertTitle: "OK") { (action) in
                self.emailTextField.text = ""
                self.passwordTextField.text = ""
                self.repasswordTextField.text = ""
                self.userNameTextField.text = ""
            }

KrauserHuang

    @IBAction func loginPressed(_ sender: UIButton) {
        let error = validateTextField()
        if error != nil {
            popAlert(title: "Error occured", message: error!, alertTitle: "OK") { (action) in
                self.emailTextField.text = ""
                self.passwordTextField.text = ""
            }
        } else {
            if let email = emailTextField.text,
               let password = passwordTextField.text {

KrauserHuang

    @IBAction func logoutPressed(_ sender: UIButton) {
        // 畫面顯示怪怪的，再確認
        do {
            try Auth.auth().signOut()
//            navigationController?.popToRootViewController(animated: true)
            var rootVC = self.presentingViewController
            while let parent = rootVC?.presentingViewController {
                rootVC = parent
            }
            rootVC?.dismiss(animated: true, completion: nil)