private void OnContextRequested(UIElement sender, Windows.UI.Xaml.Input.ContextRequestedEventArgs args)
{
var container = sender as ListViewItem;
if (container.Content is ISessionService session && !session.IsActive)
{
}
private static void UiElement_ContextRequested(UIElement sender, Windows.UI.Xaml.Input.ContextRequestedEventArgs args)
{
if (SelectorDict.TryGetValue(sender, out var flyoutTemplateSelector))
{
object dataContext = null;
FrameworkElement element = null;
// コントローラ操作かつListViewBase系コントロールの場合に対応する
// フォーカスできるUIはListViewItemのItemContainer側に限定されるため
// ListViewItemやGriViewItemの基底クラスであるContentControlまでダウンキャストしている
if (args.OriginalSource is ContentControl)
{
var contentControl = args.OriginalSource as ContentControl;
dataContext = contentControl.Content;
element = contentControl.ContentTemplateRoot as FrameworkElement;
}
else if (args.OriginalSource is FrameworkElement)
{
element = args.OriginalSource as FrameworkElement;
dataContext = element?.DataContext;
}
if (dataContext != null)
{
var template = flyoutTemplateSelector.SelectTemplate(dataContext, element);
if (template != null)
{
FlyoutBase flyout = template.LoadContent() as FlyoutBase;
if (flyout != null)
{
// elementのDataContextがFlyoutに注入された上で表示される
flyout.ShowAt(element);
args.Handled = true;
}
}
}
}
}
private void Control_ContextRequested(UIElement sender, Windows.UI.Xaml.Input.ContextRequestedEventArgs args)
{
rectShapeEnable = !rectShapeEnable;
}
private void SongList_ContextRequested(UIElement sender, Windows.UI.Xaml.Input.ContextRequestedEventArgs args)
{
// Walk up the tree to find the ListViewItem.
// There may not be one if the click wasn't on an item.
var requestedElement = (FrameworkElement)args.OriginalSource;
while ((requestedElement != sender) && !(requestedElement is SelectorItem))
{
requestedElement = (FrameworkElement)VisualTreeHelper.GetParent(requestedElement);
}
var model = (sender as ListViewBase).ItemFromContainer(requestedElement) as SongViewModel;
if (requestedElement != sender)
{
// set album name of flyout
var albumMenu = MainPage.Current.SongFlyout.Items.First(x => x.Name == "AlbumMenu") as MenuFlyoutItem;
albumMenu.Text = model.Album;
albumMenu.Visibility = Visibility.Collapsed;
// remove performers in flyout
var index = MainPage.Current.SongFlyout.Items.IndexOf(albumMenu);
while (!(MainPage.Current.SongFlyout.Items[index + 1] is MenuFlyoutSeparator))
{
MainPage.Current.SongFlyout.Items.RemoveAt(index + 1);
}
// add song's performers to flyout
if (!model.Song.Performers.IsNullorEmpty())
{
if (model.Song.Performers.Length == 1)
{
var menuItem = new MenuFlyoutItem()
{
Text = $"{model.Song.Performers[0]}",
Icon = new FontIcon()
{
Glyph = "\uE136"
}
};
menuItem.Click += MainPage.Current.MenuFlyoutArtist_Click;
MainPage.Current.SongFlyout.Items.Insert(index + 1, menuItem);
}
else
{
var sub = new MenuFlyoutSubItem()
{
Text = $"{Consts.Localizer.GetString("PerformersText")}:",
Icon = new FontIcon()
{
Glyph = "\uE136"
}
};
foreach (var item in model.Song.Performers)
{
var menuItem = new MenuFlyoutItem()
{
Text = item
};
menuItem.Click += MainPage.Current.MenuFlyoutArtist_Click;
sub.Items.Add(menuItem);
}
MainPage.Current.SongFlyout.Items.Insert(index + 1, sub);
}
}
if (args.TryGetPosition(requestedElement, out var point))
{
MainPage.Current.SongFlyout.ShowAt(requestedElement, point);
}
else
{
MainPage.Current.SongFlyout.ShowAt(requestedElement);
}
args.Handled = true;
}
}
