TitleAndValueRowWithPresenter.swift

TitleAndValueRowWithPresenter.swift

import Eureka

/// This row is build based on the implementation of `ButtonRowWithPresent`, and
/// allows consurmers to set a detail value for the row, which is not possible
/// in the other.
///
/// To set the value use `$0.cellUpdate { cell, _ in cell.detailLabel?.text = "value" }`.
///
/// - See: https://github.com/xmartlabs/Eureka/blob/master/Source/Rows/ButtonRowWithPresent.swift
open class _TitleAndValueRowWithPresenter<VCType: TypedRowControllerType>: Row<LabelCellOf<VCType.RowValue>>, PresenterRowType where VCType: UIViewController {

  open var presentationMode: PresentationMode<VCType>?
  open var onPresentCallback : ((FormViewController, VCType)->())?

  required public init(tag: String?) {
    super.init(tag: tag)
    displayValueFor = nil
    cellStyle = .value1
  }

  open override func customUpdateCell() {
    super.customUpdateCell()
    cell.accessoryType = isDisabled ? .none : .disclosureIndicator
  }

  open override func customDidSelect() {
    super.customDidSelect()
    if let presentationMode = presentationMode, !isDisabled {
      if let controller = presentationMode.makeController(){
        controller.row = self
        onPresentCallback?(cell.formViewController()!, controller)
        presentationMode.present(controller, row: self, presentingController: cell.formViewController()!)
      }
      else{
        presentationMode.present(nil, row: self, presentingController: cell.formViewController()!)
      }
    }
  }

  open override func prepare(for segue: UIStoryboardSegue) {
    super.prepare(for: segue)
    guard let rowVC = segue.destination as? VCType else {
      return
    }
    if let callback = presentationMode?.onDismissCallback{
      rowVC.onDismissCallback = callback
    }
    rowVC.row = self
    onPresentCallback?(cell.formViewController()!, rowVC)
  }
}

/// A generic row with a button that presents a view controller when tapped
public final class TitleAndValueRowWithWithPresenter<VCType: TypedRowControllerType> : _TitleAndValueRowWithPresenter<VCType>, RowType where VCType: UIViewController {
  public required init(tag: String?) {
    super.init(tag: tag)
  }
}

Just dumping it here because I know that I'll forget about having written this in an app from which I'm now stripping Eureka, but it might come handy in the future.

Of course I'll have to remember having made this gist...