protected override void InitBindings()
{
Bindings.Add(
this.SetBinding(() => ViewModel.LoadingTopic,
() => ForumTopicPageLoadingSpinner.Visibility).ConvertSourceToTarget(Converters.BoolToVisibility));
Bindings.Add(this.SetBinding(() => ViewModel.Messages).WhenSourceChanges(() =>
{
if (ViewModel.Messages != null)
{
_items = ViewModel.Messages.Select(model => new ForumTopicItem(Activity)).ToList();
ForumTopicPagePostsList.InjectFlingAdapter(ViewModel.Messages, DataTemplateFull, DataTemplateFling, ContainerTemplate, DataTemplateBasic);
}
}));
Bindings.Add(
this.SetBinding(() => ViewModel.ToggleWatchingButtonText,
() => ForumTopicPageToggleWatchingButton.Text));
ForumTopicPageGotoPageButton.SetOnClickListener(new OnClickListener(v => ForumTopicPageGotoPageButtonOnClick()));
ForumTopicPageActionButton.SetOnClickListener(new OnClickListener(v => ForumTopicPageActionButtonOnClick()));
ForumTopicPageToggleWatchingButton.SetOnClickListener(new OnClickListener(v => ViewModel.ToggleWatchingCommand.Execute(null)));
Bindings.Add(this.SetBinding(() => ViewModel.AvailablePages).WhenSourceChanges(() =>
{
ViewModel.AvailablePages.CollectionChanged += (sender, args) => UpdatePageSelection();
UpdatePageSelection();
}));
}
private async void ViewModelOnRequestScroll(object sender, int i)
{
try
{
if (RootView != null && i < ForumTopicPagePostsList?.Adapter.Count)
{
ForumTopicPagePostsList?.SetSelection(i);
}
else
{
await Task.Delay(100);
ViewModelOnRequestScroll(sender, i);
}
}
catch (Exception)
{
//such scrolling is prone to error
}
}
