private void itemContextMenu_Opened(object sender, System.Windows.RoutedEventArgs e)
{
var menu = sender as ContextMenu;
IContentViewModel content = menu.DataContext as IContentViewModel;
if (content != null)
{
var wrapper = new AwfulContextMenu();
var isOpen = content.OnContextMenuOpening("item", wrapper, this, this.Progress);
if (isOpen)
wrapper.ToContextMenu(menu);
menu.IsOpen = isOpen;
}
}
private void rateThreadButton_Click(object sender, RoutedEventArgs e)
{
ThreadDataItem thread = this.itemListView.SelectedItem as ThreadDataItem;
if (thread == null)
throw new InvalidOperationException("Expected selected item to be data type: thread.");
Button button = sender as Button;
AwfulContextMenu menu = new AwfulContextMenu();
var hasRate = thread.OnContextMenuOpening("rate", menu, this, this.progress);
if (!hasRate)
throw new InvalidOperationException("Expected thread to generate rate context menu.");
MenuFlyout flyout = menu.ToMenuFlyout();
button.Flyout = flyout;
flyout.ShowAt(button);
}
private async void OnItemRightTapped(object sender, RightTappedRoutedEventArgs e)
{
FrameworkElement element = sender as FrameworkElement;
IContentViewModel content = element.DataContext as IContentViewModel;
if(content != null)
{
// detach the appbar opening event.
this.BottomAppBar.Opened -= OnBottomAppBarOpened;
AwfulContextMenu menu = new AwfulContextMenu();
var hasMenu = await content.OnContextMenuOpeningAsync("item", menu, this, this.progress);
if (hasMenu)
{
var itemContextBar = menu.ToAppBarButtonContainer(true);
EventHandler<object> opened = null;
opened = new EventHandler<object>((obj, args) =>
{
this.BottomAppBar.Opened -= opened;
this.BottomAppBar.Opened += OnBottomAppBarOpened;
});
this.SelectBottomAppBar(itemContextBar);
this.BottomAppBar.Opened += opened;
this.BottomAppBar.IsOpen = true;
}
else
{
this.BottomAppBar.Opened += OnBottomAppBarOpened;
this.BottomAppBar.IsOpen = false;
}
}
}
