reactivetirgger.cs

using System;
using System.Reactive.Linq;
using System.Linq;
using ReactiveUI;
using UIKit;

namespace Banana
{
    public class FuckYou : ReactiveTableViewController
    {
        public ReactiveList<Item> Stupid = new ReactiveList<Item>();

        public override void ViewDidLoad()
        {
            NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Add, (s, e) => {
                PresentViewController(new UINavigationController(new FuckMe(this)), true, null);
            });

            Stupid.Add(new Item { Name = "Something" });
            Stupid.Add(new Item { Name = "Bad" });
            Stupid.Add(new Item { Name = "Will" });

            base.ViewDidLoad();
            TableView.Source = new Stupid(TableView, Stupid, new Foundation.NSString("Hello"), 44f, null);
        }
    }

    public class FuckMe : ReactiveViewController
    {
        public FuckMe(FuckYou f)
        {
            NavigationItem.RightBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Save, (s, e) => {
                f.Stupid.Add(new Item { Name = "Happen" });
                NavigationController.DismissViewController(true, null);
            });
        }
    }

    public class Stupid : ReactiveTableViewSource<Item>
    {
        public Stupid(UIKit.UITableView tableView, IReactiveNotifyCollectionChanged<Item> collection, Foundation.NSString cellKey, float sizeHint, Action<UIKit.UITableViewCell> initializeCellAction) : base(tableView, collection, cellKey, sizeHint, initializeCellAction)
        {
            tableView.RegisterClassForCellReuse(typeof(Cell), "Hello");
        }
    }

    public class Cell : ReactiveTableViewCell, IViewFor<Item>
    {
        public Item _viewModel;

        public Item ViewModel
        {
            get { return _viewModel; }
            set { this.RaiseAndSetIfChanged(ref _viewModel, value); }
        }

        object IViewFor.ViewModel
        {
            get { return ((IViewFor<Item>)this).ViewModel; }
            set { ((IViewFor<Item>)this).ViewModel = (Item)value; }
        }

        public Cell(IntPtr ptr)
            : base(ptr)
        {
            this.OneWayBind(this.ViewModel, x => x.Name, x => x.TextLabel.Text);
        }
    }

    public class Item : ReactiveObject
    {
        public string Name { get; set; }
    }
}