【问题标题】:SwipCellKit swift 5 - unable to swipe to launch the dele menuSwipCellKit swift 5 - 无法滑动以启动删除菜单
【发布时间】:2019-11-03 07:37:29
【问题描述】:

我正在使用 Xcode 11.2 和 Swift 5 以及最新版本的 SwipeCellKit。

在我的代码中,我有一个UITableView,其中包含单元格。我希望从右侧添加滑动操作,这将让我使用两个操作:删除和编辑。

目前,我只尝试删除操作。但是,滑动似乎不起作用,我根本没有任何动作。

我在这里错过了什么?

这是我的代码:

CartTableViewCell

import UIKit
import SwipeCellKit

class CartTableViewCell: SwipeTableViewCell
{
    @IBOutlet weak var mainView: UIView!
    @IBOutlet weak var productName: UILabel!
    @IBOutlet weak var productImage: UIImageView!
    @IBOutlet weak var priceForKg: UILabel!
    @IBOutlet weak var quantity: UITextField!
    @IBOutlet weak var subTotal: UITextField!

    override func awakeFromNib()
    {
        super.awakeFromNib()

        self.layer.borderWidth = 1
        self.layer.cornerRadius = 25
        self.layer.borderColor = self.layer.backgroundColor

        self.mainView.layer.borderWidth = 1
        self.mainView.layer.cornerRadius = 25
        self.mainView.layer.borderColor = self.mainView.layer.backgroundColor

        self.quantity.layer.borderWidth = 1
        self.quantity.layer.borderColor = #colorLiteral(red: 0.8078431487, green: 0.02745098062, blue: 0.3333333433, alpha: 1)
        self.quantity.layer.cornerRadius = 5

        self.subTotal.layer.borderWidth = 1
        self.subTotal.layer.borderColor = #colorLiteral(red: 0.8078431487, green: 0.02745098062, blue: 0.3333333433, alpha: 1)
        self.subTotal.layer.cornerRadius = 5
    }
    override var frame: CGRect {
      get {
          return super.frame
      }
      set (newFrame) {
          var frame =  newFrame
          frame.origin.y += 4
          frame.size.height -= 2 * 5
          super.frame = frame
      }
    }
    override func setSelected(_ selected: Bool, animated: Bool)
    {
        super.setSelected(selected, animated: animated)
    }
}

CartViewController

import UIKit
import SwipeCellKit

class CartViewController: UIViewController
{
    @IBOutlet weak var cartTableView: UITableView!

    var listOfProducts : [Product] = []

    override func viewDidLoad()
    {
        super.viewDidLoad()

        self.cartTableView.delegate = self
        self.cartTableView.dataSource = self
        self.cartTableView.separatorStyle = .none
        self.cartTableView.allowsSelection = false
        self.cartTableView.backgroundColor = #colorLiteral(red: 1, green: 1, blue: 1, alpha: 1)


        self.subTotalView.layer.borderWidth = 1
        self.subTotalView.layer.borderColor = self.subTotalView.layer.backgroundColor
        self.subTotalView.layer.cornerRadius = 10

        let cellNib = UINib(nibName: "CartTableViewCell", bundle: nil)
        self.cartTableView.register(cellNib, forCellReuseIdentifier: "cartProductCell")
    }
}

extension CartViewController : UITableViewDelegate, UITableViewDataSource, 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
            // handle action by updating model with deletion
        }

        // customize the action appearance
        deleteAction.image = UIImage(named: "Delete")

        return [deleteAction]
    }

    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int
    {
        return listOfProducts.count
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell
    {
        let cell = tableView.dequeueReusableCell(withIdentifier: "cartProductCell", for: indexPath) as! CartTableViewCell
        return cell
    }
}

【问题讨论】:

    标签: uitableview swift5 uiswipeactionsconfiguration xcode11.2


    【解决方案1】:

    我找到了答案,如果你们中的任何人都在寻找它,缺少的行是在返回之前设置单元格的代表:

    cell.delegate = self
    

    正如这篇文章中提到的: SwipeCellKit Swipe to delete not being called

    【讨论】:

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