void HandleCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (!loadedView)
{
return;
}
NSAction act = () => {
if (e.Action == NotifyCollectionChangedAction.Reset)
{
this.ReloadData();
}
if (e.Action == NotifyCollectionChangedAction.Add)
{
var count = e.NewItems.Count;
var paths = new NSIndexPath[count];
for (var i = 0; i < count; i++)
{
paths [i] = NSIndexPath.FromRowSection(e.NewStartingIndex + i, 0);
}
this.InsertRows(paths, AddAnimation);
if (AutoScroll)
{
ScrollToRow(paths.Last(), UITableViewScrollPosition.None, true);
}
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
var count = e.OldItems.Count;
var paths = new NSIndexPath[count];
for (var i = 0; i < count; i++)
{
paths [i] = NSIndexPath.FromRowSection(e.OldStartingIndex + i, 0);
}
this.DeleteRows(paths, DeleteAnimation);
}
};
var isMainThread = System.Threading.Thread.CurrentThread == mainThread;
if (isMainThread)
{
act();
}
else
{
NSOperationQueue.MainQueue.AddOperation(act);
NSOperationQueue.MainQueue.WaitUntilAllOperationsAreFinished();
}
}
void HandleCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (!loadedView)
return;
NSAction act = () => {
if (e.Action == NotifyCollectionChangedAction.Reset) {
this.ReloadData ();
}
if (e.Action == NotifyCollectionChangedAction.Add) {
var count = e.NewItems.Count;
var paths = new NSIndexPath[count];
for (var i = 0; i < count; i++) {
paths [i] = NSIndexPath.FromRowSection (e.NewStartingIndex + i, 0);
}
this.InsertRows (paths, AddAnimation);
if(AutoScroll)
ScrollToRow(paths.Last(),UITableViewScrollPosition.None,true);
} else if (e.Action == NotifyCollectionChangedAction.Remove) {
var count = e.OldItems.Count;
var paths = new NSIndexPath[count];
for (var i = 0; i < count; i++) {
paths [i] = NSIndexPath.FromRowSection (e.OldStartingIndex + i, 0);
}
this.DeleteRows (paths, DeleteAnimation);
}
};
var isMainThread = System.Threading.Thread.CurrentThread == mainThread;
if (isMainThread) {
act ();
} else {
NSOperationQueue.MainQueue.AddOperation (act);
NSOperationQueue.MainQueue.WaitUntilAllOperationsAreFinished ();
}
}
