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こんにちは、検索バーが最初のレスポンダになったときにテーブルのセルを変更しようとしています。理想的には、友だちのリクエストを最初に表示する友だちテーブルを追加し、検索バーが最初のレスポンダになると、検索バーに入力されたものの検索結果を表示するようにセルを変更します。ここに私の現在のコードは次のとおりです。このため検索バーが最初のレスポンダになったときにテーブルを変更する - スウィフト
class UserFriendRequestController: UIViewController, UITableViewDelegate, UITableViewDataSource, UISearchBarDelegate {
let titleCell = "titleCell"
let cellId = "cellId"
let contactSearch = "contactSearch"
var searchBar = UISearchBar()
var addFriendsTable: UITableView = UITableView()
let users = NSMutableArray()
override func viewDidLoad() {
super.viewDidLoad()
view.addSubview(addFriendsTable)
let img = UIImage(named: "white-screen")
self.navigationController?.navigationBar.shadowImage = img
self.navigationController?.navigationBar.setBackgroundImage(img, for: UIBarMetrics.default)
navigationItem.title = "Add Contact"
self.navigationController?.navigationBar.titleTextAttributes = [ NSFontAttributeName: UIFont(name: "Nunito", size: 18.5)!, NSForegroundColorAttributeName: UIColor(r: 86, g: 214, b: 209)]
addFriendsTable.frame = CGRect(x: 0, y: 0, width: UIScreen.main.bounds.width, height: UIScreen.main.bounds.height - (70))
addFriendsTable.delegate = self
addFriendsTable.dataSource = self
searchBar.sizeToFit()
searchBar.searchBarStyle = .minimal
searchBar.placeholder = "Search Conctacts"
searchBar.showsCancelButton = true
searchBar.delegate = self
addFriendsTable.tableHeaderView = searchBar
addFriendsTable.contentOffset = CGPoint(x: 0.0, y: 0.0)
UIBarButtonItem.appearance(whenContainedInInstancesOf: [UISearchBar.self]).setTitleTextAttributes([NSFontAttributeName : UIFont(name: "Nunito", size: 15)!, NSForegroundColorAttributeName : UIColor(r: 78, g: 78, b: 78)
], for: .normal)
var image = UIImage(named: "back_button_thick")
image = image?.withRenderingMode(UIImageRenderingMode.alwaysOriginal)
navigationItem.leftBarButtonItem = UIBarButtonItem(image: image, style: .plain, target: self, action: #selector(handleBack))
addFriendsTable.register(UserFriendRequestsCell.self, forCellReuseIdentifier: cellId)
addFriendsTable.register(FriendRequestsTitleCell.self, forCellReuseIdentifier: titleCell)
addFriendsTable.register(AddFriendRequestCell.self, forCellReuseIdentifier: contactSearch)
addFriendsTable.separatorColor = UIColor(r: 225, g: 225, b: 225)
setup()
}
func setup() {
for i in 1 ..< 20 {
let user = User()
users.add(user)
}
}
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
searchBar.text = nil
searchBar.resignFirstResponder()
}
func handleBack() {
dismiss(animated: true, completion: nil)
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return 10
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
if self.searchBar.isFirstResponder {
let cell = tableView.dequeueReusableCell(withIdentifier: contactSearch, for: indexPath) as! AddFriendRequestCell
cell.selectionStyle = UITableViewCellSelectionStyle.none
cell.textLabel?.text = "Instagram User Name"
cell.textLabel?.font = UIFont(name: "Nunito", size: 16)
cell.textLabel?.textColor = UIColor(r: 51, g: 51, b: 51)
cell.detailTextLabel?.text = "Instagram Handle"
cell.detailTextLabel?.font = UIFont(name: "Nunito", size: 13)
cell.detailTextLabel?.textColor = UIColor.darkGray
cell.profileImageView.image = UIImage(named: "profilepic")
cell.separatorInset.left = CGFloat(55)
cell.separatorInset.right = CGFloat(5)
let user = users[indexPath.row] as! User
cell.configure(user: user)
return cell
} else {
if indexPath.row == 0 {
let cell = tableView.dequeueReusableCell(withIdentifier: titleCell, for: indexPath) as! FriendRequestsTitleCell
cell.selectionStyle = UITableViewCellSelectionStyle.none
return cell
} else {
let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath) as! UserFriendRequestsCell
cell.selectionStyle = UITableViewCellSelectionStyle.none
cell.textLabel?.text = "Instagram User Name"
cell.textLabel?.font = UIFont(name: "Nunito", size: 16)
cell.textLabel?.textColor = UIColor(r: 51, g: 51, b: 51)
cell.detailTextLabel?.text = "Instagram Handle"
cell.detailTextLabel?.font = UIFont(name: "Nunito", size: 13)
cell.detailTextLabel?.textColor = UIColor.darkGray
cell.profileImageView.image = UIImage(named: "profilepic")
cell.separatorInset.left = CGFloat(55)
cell.separatorInset.right = CGFloat(5)
return cell
}
}
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat{
if self.searchBar.isFirstResponder {
return 55
}
else {
if indexPath.row == 0 {
return 30
} else {
return 55
}
}
}
}