void OnAircraftUpdateFailed(object sender, AircraftEventArgs e)
{
if (updating != null)
{
updating.Dispose();
updating = null;
}
}
void OnFlightUpdateFailed(object sender, FlightEventArgs e)
{
if (updating != null)
{
updating.Dispose();
updating = null;
}
}
protected bool TryUpdateItems(NotifyCollectionChangedEventArgs args)
{
var tableView = TableView;
if (tableView == null)
{
return(false);
}
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
NSIndexPath[] newIndexPaths = TouchToolkitExtensions.CreateNSIndexPathArray(args.NewStartingIndex, args.NewItems.Count);
tableView.BeginUpdates();
tableView.InsertRows(newIndexPaths, AddAnimation);
tableView.EndUpdates();
newIndexPaths.DisposeEx();
return(true);
case NotifyCollectionChangedAction.Remove:
NSIndexPath[] oldIndexPaths = TouchToolkitExtensions.CreateNSIndexPathArray(args.OldStartingIndex, args.OldItems.Count);
tableView.BeginUpdates();
tableView.DeleteRows(oldIndexPaths, RemoveAnimation);
tableView.EndUpdates();
oldIndexPaths.DisposeEx();
return(true);
case NotifyCollectionChangedAction.Move:
if (args.NewItems.Count != 1 && args.OldItems.Count != 1)
{
return(false);
}
NSIndexPath oldIndexPath = NSIndexPath.FromRowSection(args.OldStartingIndex, 0);
NSIndexPath newIndexPath = NSIndexPath.FromRowSection(args.NewStartingIndex, 0);
tableView.BeginUpdates();
tableView.MoveRow(oldIndexPath, newIndexPath);
tableView.EndUpdates();
oldIndexPath.Dispose();
newIndexPath.Dispose();
return(true);
case NotifyCollectionChangedAction.Replace:
if (args.NewItems.Count != args.OldItems.Count)
{
return(false);
}
NSIndexPath indexPath = NSIndexPath.FromRowSection(args.NewStartingIndex, 0);
tableView.BeginUpdates();
tableView.ReloadRows(new[] { indexPath }, ReplaceAnimation);
tableView.EndUpdates();
indexPath.Dispose();
return(true);
default:
return(false);
}
}
protected bool TryUpdateItems(NotifyCollectionChangedEventArgs args)
{
var collectionView = CollectionView;
if (collectionView == null)
{
return(false);
}
switch (args.Action)
{
case NotifyCollectionChangedAction.Add:
NSIndexPath[] newIndexPaths = PlatformExtensions.CreateNSIndexPathArray(args.NewStartingIndex,
args.NewItems.Count);
collectionView.InsertItems(newIndexPaths);
newIndexPaths.DisposeEx();
return(true);
case NotifyCollectionChangedAction.Remove:
NSIndexPath[] oldIndexPaths = PlatformExtensions.CreateNSIndexPathArray(args.OldStartingIndex, args.OldItems.Count);
collectionView.DeleteItems(oldIndexPaths);
oldIndexPaths.DisposeEx();
return(true);
case NotifyCollectionChangedAction.Move:
if (args.NewItems.Count != 1 && args.OldItems.Count != 1)
{
return(false);
}
NSIndexPath oldIndexPath = NSIndexPath.FromRowSection(args.OldStartingIndex, 0);
NSIndexPath newIndexPath = NSIndexPath.FromRowSection(args.NewStartingIndex, 0);
collectionView.MoveItem(oldIndexPath, newIndexPath);
oldIndexPath.Dispose();
newIndexPath.Dispose();
return(true);
case NotifyCollectionChangedAction.Replace:
if (args.NewItems.Count != args.OldItems.Count)
{
return(false);
}
NSIndexPath indexPath = NSIndexPath.FromRowSection(args.NewStartingIndex, 0);
collectionView.ReloadItems(new[] { indexPath });
indexPath.Dispose();
return(true);
default:
return(false);
}
}
void OnAircraftAdded(object sender, AircraftEventArgs e)
{
var tableView = CurrentTableView;
var model = ModelForTableView(tableView);
DetailsViewController.Aircraft = e.Aircraft;
model.ReloadData();
int index = model.IndexOf(e.Aircraft, this);
if (index == -1)
{
// This suggests that we are probably displaying the search view and the
// newly added aircraft does not match the search criteria.
// Just reload the original TableView...
Model.ReloadData();
TableView.ReloadData();
return;
}
int section, row;
if (!model.IndexToSectionAndRow(index, out section, out row))
{
// This shouldn't happen...
model.ReloadData();
tableView.ReloadData();
return;
}
NSIndexPath path = NSIndexPath.FromRowSection(row, section);
// Add the row to the table...
tableView.InsertRows(new [] { path }, UITableViewRowAnimation.Automatic);
// Select and scroll to the newly added aircraft...
// From Apple's documentation:
//
// To scroll to the newly selected row with minimum scrolling, select the row using
// selectRowAtIndexPath:animated:scrollPosition: with UITableViewScrollPositionNone,
// then call scrollToRowAtIndexPath:atScrollPosition:animated: with
// UITableViewScrollPositionNone.
tableView.SelectRow(path, true, UITableViewScrollPosition.None);
tableView.ScrollToRow(path, UITableViewScrollPosition.None, true);
path.Dispose();
}
