vulgur

Project Title

One Paragraph of project description goes here

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

vulgur

override func tableView(_ tableView: UITableView, trailingSwipeActionsConfigurationForRowAt indexPath: IndexPath) -> UISwipeActionsConfiguration? {
    guard let product = dataStore?.products[indexPath.row] else {
      return nil
    }
    
    let addAction = UIContextualAction(style: .normal, title: "Add") { [weak self](action, view, completionHandler) in
      guard let `self` = self else {
        completionHandler(false)
        return
      }

vulgur

extension ShoppingListViewController: UITableViewDropDelegate {
  func tableView(_ tableView: UITableView, performDropWith coordinator: UITableViewDropCoordinator) {
    guard let destinationIndexPath = coordinator.destinationIndexPath else {
      return
    }
    DispatchQueue.main.async { [weak self] in
      tableView.beginUpdates()
      coordinator.items.forEach({ (item) in
        guard let sourceIndexPath = item.sourceIndexPath,
        let `self` = self

vulgur

extension ShoppingListViewController: UITableViewDragDelegate {
  func tableView(_ tableView: UITableView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
    let listItem = shoppingList[indexPath.row]
    
    let provider = NSItemProvider(object: listItem)
    let dragItem = UIDragItem(itemProvider: provider)
    
    return [dragItem]
  }
}

vulgur

class Singleton {
	static let instance = Singleton()
}