private void ItemsList_ContextRequested(UIElement sender, ContextRequestedEventArgs args)
{
var list = sender as ListViewBase;
var itemFlyout = ItemContextFlyoutTemplate?.LoadContent() as FlyoutBase;
if (itemFlyout == null)
{
return;
}
if (itemFlyout is VideoItemFlyout videoItemFlyout)
{
if (list.SelectedItems.Count > 0)
{
videoItemFlyout.Playlist = PlaylistPassToFlyout;
videoItemFlyout.VideoItems = list.SelectedItems.Cast <IVideoContent>().ToList();
}
else
{
videoItemFlyout.Playlist = PlaylistPassToFlyout;
videoItemFlyout.VideoItems = null;
}
}
if (sender == args.OriginalSource)
{
return;
}
// コントローラ操作時にSelectorItem.DataContext == null になる
// MenuFlyoutItemのCommand等が解決できるようにDataContextを予め埋める
if (args.OriginalSource is SelectorItem selectorItem)
{
selectorItem.DataContext = selectorItem.Content;
}
itemFlyout.ShowAt(args.OriginalSource as FrameworkElement);
args.Handled = true;
}
private void ItemsList_ContextRequested(UIElement sender, ContextRequestedEventArgs args)
{
var list = sender as ListViewBase;
var itemFlyout = ItemContextFlyoutTemplate?.LoadContent() as FlyoutBase;
if (itemFlyout == null)
{
return;
}
if (itemFlyout is VideoItemFlyout videoItemFlyout)
{
if (list.SelectionMode is ListViewSelectionMode.Multiple or ListViewSelectionMode.Extended && list.SelectedItems.Count > 0)
{
videoItemFlyout.Playlist = PlaylistPassToFlyout;
videoItemFlyout.SelectedVideoItems = list.SelectedItems.Cast <IVideoContent>().ToList();
}
else
{
videoItemFlyout.Playlist = PlaylistPassToFlyout;
videoItemFlyout.SelectedVideoItems = null;
}
}
