我试图让我的选择器从 Firebase 重新加载数据。它在查看时响应 textLbl 中的第一件事。我也希望它使用其他字符串之一重新加载。例如 IT 是第一行出现它已经设置在那里。当我移动选择器并选择说安全时，我希望它改变。
let officePerson = ["I T","SAFETY","H R/PAYROLL/BENEFITS DEPT","QUALITY","BUSINESS DEVELOPMENT SUPPORT","ACCOUNTING","RECRUITING","MAINTENANCE","SPECIAL PROJECTS","DISPATCH"]
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 1
}
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
return officePerson[row]
}
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return officePerson.count
}
func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
pickerLbl.text = officePerson[row]
self.view.endEditing(false)
picker.reloadAllComponents()
}
var office = [OfficeModel]()
@IBOutlet weak var tableView: UITableView!
var databaseHandle:DatabaseHandle?
var ref:DatabaseReference?
var images = [String] ()
var filteredArray = [OfficeModel]()
var image = [OfficeModel] ()
@IBOutlet weak var pickerLbl: UITextField!
var picker = UIPickerView()
var searchController = UISearchController(searchResultsController:nil)
override func viewDidLoad() {
super.viewDidLoad()
picker.delegate = self
picker.dataSource = self
pickerLbl.inputView = picker
tableView.estimatedRowHeight = tableView.rowHeight
tableView.rowHeight = UITableViewAutomaticDimension
tableView.dataSource = self
tableView.delegate = self
filteredArray = image
tableView.tableHeaderView = searchController.searchBar
searchController.searchResultsUpdater = self
searchController.dimsBackgroundDuringPresentation = false
searchController.searchBar.endEditing(true)
searchController.definesPresentationContext = true
Database.database().reference().child(pickerLbl.text!).observe(.childAdded) { (snapshot) in
DispatchQueue.main.async {
let newimages = OfficeModel(snapshot: snapshot)
self.image.insert(newimages, at: 0)
let indexPath = IndexPath(row: 0, section:0)
self.tableView.insertRows(at: [indexPath], with: .top)
self.tableView.reloadData()
// self.refreshControl?.endRefreshing()
}
}
}
func updateSearchResults(for searchController: UISearchController){
if searchController.searchBar.text! == ""{
filteredArray = image
} else{
filteredArray = image.filter( {($0.name?.lowercased().contains(searchController.searchBar.text!.lowercased()))!} )
// DispatchQueue.main.async {
// let newimages = Images(snapshot: snapshot)
// self.image.insert(newimages, at: 0)
// let indexPath = IndexPath(row: 0, section:0)
// self.tableView.insertRows(at: [indexPath], with: .top)
// self.tableView.reload
self.tableView.reloadData()
}
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func numberOfSections(in tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchController.isActive {
return filteredArray.count
} else {
return image.count
}
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "OfficeTableViewCell", for: indexPath) as! OfficeTableViewCell
if searchController.isActive {
cell.images = self.filteredArray[indexPath.row]
cell.selectionStyle = .none
} else {
cell.images = self.image[indexPath.row]
cell.selectionStyle = .none
}
return cell
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return 455
}
override func touchesBegan (_ touchs: Set<UITouch>, with event: UIEvent?) {
self.view.endEditing(true)
}
/*
// MARK: - Navigation
// In a storyboard-based application, you will often want to do a little preparation before navigation
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
// Get the new view controller using segue.destinationViewController.
// Pass the selected object to the new view controller.
}
*/
}