CODEWITHSUNDEEP
swiftuitableviewtableview
muiraie
muiraie

Reputation: 59

How do I execute functions from tableViewCell?

I currently have a custom type Cell that I use to populate cells info, style, etc... with. Here's the code

struct Cell {
var opened = Bool()
var isChecked = Bool()
var body = String()
var icon = UIImage()
var cellStyle: UITableViewCell.CellStyle?
var detailTextLabel: String?
var accessoryType: UITableViewCell.AccessoryType?
var action: CellDelegate?
}

I would like to add a property that contains a specific method for each cell. Most solutions I came across suggest using cell's tag and go from there but I can't imagine this being a sustainable solution. Most of those functions are literally to transition from one view to the other i.e. push views. The rest are used to toggle switches, update texts, etc... I'm also open to other ideas on how I can do this. Thanks

Edit: don't get distracted by CellDelegate type, it was basically one of my attempts in trying to get this to work

Upvotes: 0

Views: 134

Answers (1)

Blazej SLEBODA
Blazej SLEBODA

Reputation: 9915

If your method has always the same signature then:

Swift solution:

add a property to the Cell

var action: (() -> Void)?

Objective-C solution:

add a property to the Cell with selector

var action: Selector? // action = #selector(customMethod) and cell perform a selector

If a method signature varies then you can use Any type

var action: Any?

and cell which calls the action must know the signature. This is done with casting:

class CellView: UITableViewCell {
   private var cell: Cell!
   fun configureWith(_ cell: Cell) {
       self.cell = cell
   }
   override func select(_ sender: Any?) {
      if let action = cell.action as? (String) -> Int {
          action()
      }
   }
}

Upvotes: 1

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