【发布时间】:2019-06-28 06:45:06
【问题描述】:
我想通过TextFields 从TableViewCell 获取所有值,但我不明白如何通过单击按钮来实现。
如果我点击按钮Add,我可以添加新行。所以我可以创建任意多的行。
我的代码在这里:
struct Section {
let title: String
var rows: [String]
}
class SettingsScheduleAndPricesViewController: UIViewController, UITableViewDelegate, UITableViewDataSource, UITextFieldDelegate {
var hall: Halls?
var sections = [Section]()
override func viewDidLoad() {
super.viewDidLoad()
sections = [Section(title: "Day of week", rows: []),
Section(title: "Second section", rows: [""]),
Section(title: "Third section", rows: [""])]
}
// MARK: - TableView
func numberOfSections(in tableView: UITableView) -> Int {
return sections.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return sections[section].rows.count
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if indexPath.section == 0 {
...
} else if indexPath.section == 1 {
let hourlyRateCell = tableView.dequeueReusableCell(withIdentifier: "hourlyRateCell", for: indexPath) as! SettingsHourlyRateCell
return hourlyRateCell
} else {
...
}
}
func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
return sections[section].title
}
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let frame: CGRect = tableView.frame
if section == 0 {
let headerView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: frame.size.width, height: frame.size.height))
headerView.backgroundColor = #colorLiteral(red: 0.8039215803, green: 0.8039215803, blue: 0.8039215803, alpha: 1)
return headerView
} else if section == 1 {
let addButton: UIButton = UIButton(frame: CGRect(x: frame.size.width - 50, y: 0, width: 50, height: 30))
addButton.backgroundColor = UIColor.clear
addButton.setTitleColor(#colorLiteral(red: 0.2588235438, green: 0.7568627596, blue: 0.9686274529, alpha: 1), for: .normal)
addButton.setTitle(NSLocalizableAdd, for: .normal)
addButton.addTarget(self, action: #selector(SettingsScheduleAndPricesViewController.addHourlyRate(sender:)), for: .touchUpInside)
let headerView: UIView = UIView(frame: CGRect(x: 0, y: 0, width: frame.size.width, height: frame.size.height))
headerView.backgroundColor = #colorLiteral(red: 0.8039215803, green: 0.8039215803, blue: 0.8039215803, alpha: 1)
headerView.addSubview(addButton)
return headerView
} else {
...
}
}
@IBAction func saveBarButtonPressed(_ sender: Any) {
// here I want to get all values from my Cell from my TextFields
}
@objc func addHourlyRate(sender: UIButton) {
let newRow = ""
append(row: newRow, in: 1)
}
func append(row : String, in section: Int) {
let insertionIndex = sections[section].rows.count
sections[section].rows.append(row)
let indexPath = IndexPath(row: insertionIndex, section: section)
tableView.insertRows(at: [indexPath], with: .automatic)
}
}
class SettingsHourlyRateCell: UITableViewCell, UITextFieldDelegate {
@IBOutlet weak var rubHourTF: UITextField!
}
我的模拟器示例:
在我的示例中,我需要从三行中获取 first、second 和 third 字符串文本。并附加在空的array 中或仅打印在console 中。
在方法@IBAction func saveBarButtonPressed(_ sender: Any).
我找不到任何可以帮助我的东西。
【问题讨论】:
-
在您的previous answer (accepted) 中,我建议使用自定义结构作为数据源。为什么要回到丑陋的多个数组?最有效的方法是使用具有引用语义的类(而不是结构)并将行项传递给单元格。在单元格中更新数据源项中的属性。但是你不能用多个数组来做到这一点。
-
@vadian 我更正了,谢谢:)
标签: ios swift uitableview uitextfield