public TimingDetailPage()
{
ReaderWriterLockSlim locker = new ReaderWriterLockSlim();
IDictionary <IBoat, DateTime> times = new Dictionary <IBoat, DateTime>();
Action updateTitle = () =>
{
var u = times.Count(t => t.Key.Number <= 0);
var i = times.Count(t => t.Key.Number > 0 && t.Value > DateTime.MinValue);
if (TitleUpdated != null)
{
TitleUpdated(this, new StringEventArgs(string.Format(" - to save: {0} identified, {1} unidentified", i, u)));
}
};
Action saveBoats = () =>
{
TimingItemManager manager = (TimingItemManager)BindingContext;
try
{
locker.EnterWriteLock();
manager.SaveBoat(times.Where(kvp => kvp.Value > DateTime.MinValue).Select(t => new Tuple <IBoat, DateTime, string>(t.Key, t.Value, string.Empty)));
times.Clear();
updateTitle();
}
finally
{
locker.ExitWriteLock();
}
};
Action <IBoat, bool> flipflop = (IBoat boat, bool seen) =>
{
try
{
locker.EnterWriteLock();
boat.Seen = seen;
if (times.ContainsKey(boat))
{
times.Remove(boat);
}
times.Add(boat, seen ? DateTime.Now : DateTime.MinValue);
updateTitle();
}
finally
{
locker.ExitWriteLock();
}
};
Action unidentified = () =>
{
flipflop(((TimingItemManager)BindingContext).UnidentifiedBoat, true);
};
// var anchor = new ToolbarItem("Anchor", "Anchor.png", () => Debug.WriteLine("anchor"), priority: 3);
var plus = new ToolbarItem("Add", "Add.png", () => unidentified(), priority: 3);
var sync = new ToolbarItem("Sync", "Syncing.png", saveBoats, priority: 2);
ToolbarItem more = null;
Action refreshToolbar = () =>
{
ToolbarItems.Clear();
ToolbarItems.Add(plus);
ToolbarItems.Add(sync);
ToolbarItems.Add(more);
};
more = new ToolbarItem("More", "More.png", refreshToolbar, priority: 1);
refreshToolbar();
var listView = new ListView();
listView.SetBinding(ListView.ItemsSourceProperty, "Unfinished");
Action <IBoat> press = async(IBoat boat) =>
{
string pin = "Pin to top";
string send = "Send to End";
var sheet = await DisplayActionSheet(string.Format("Boat {0}: Send to ... ?", boat.Number), "Cancel", null, pin, send);
if (sheet == pin)
{
ToolbarItem item = null;
Action action = () =>
{
flipflop(boat, true);
ToolbarItems.Remove(item);
};
item = new ToolbarItem(boat.Number.ToString(), null, action, priority: -1);
ToolbarItems.Add(item);
}
if (sheet == send)
{
boat.End = true;
}
Debug.WriteLine("Action: " + sheet);
};
listView.ItemTemplate = new DataTemplate(() => new UnseenCell(press));
listView.PropertyChanged += (object sender, System.ComponentModel.PropertyChangedEventArgs e) =>
{
Debug.WriteLine("underlying change");
};
listView.ItemSelected += (object sender, SelectedItemChangedEventArgs e) =>
{
if (e.SelectedItem == null)
{
return;
}
IBoat boat = (IBoat)e.SelectedItem;
flipflop(boat, !boat.Seen);
listView.SelectedItem = null;
};
SearchBar searchBar = new SearchBar
{
Placeholder = "Filter list",
};
searchBar.TextChanged += (object sender, TextChangedEventArgs e) =>
{
TimingItemManager manager = (TimingItemManager)BindingContext;
manager.Filter(searchBar.Text);
};
Content = new StackLayout()
{
Children = { searchBar, listView }
};
// idea: hide a non-starter
}
public void AddItem(TimingItem item)
{
_timingItemManager.SaveBoat(null); // (item);
_popover.UpdateStatus(_timingItemManager.Status);
PopulateTable(false);
}