private void GetOwnerAndGenerator()
{
itemsOwner = ItemsControl.GetItemsOwner(this);
if (itemsOwner == null)
{
throw new InvalidOperationException("无法从 VirtualizingPanel 找到父 ItemsControl.");
}
if (!(itemsOwner is ListViewBase))
{
throw new InvalidOperationException("VirtualizingPanel 应该在 ListView.ItemsPanel 中被调用");
}
scrollOwner = VisualTreeExtension.GetParentObject <ScrollViewer>(itemsOwner, "PageScrollViewer");
if (scrollOwner == null)
{
throw new InvalidOperationException("无法从父 ItemsControl 找到 ScrollView");
}
itemContainerGenerator = itemsOwner.ItemContainerGenerator;
if (itemContainerGenerator == null)
{
throw new InvalidOperationException("无法获取 VirtualizingPanel 所属 ItemsControl 的 ItemContainerGenerator");
}
if (!isGeneratorHooked)
{
isGeneratorHooked = true;
scrollOwner.ViewChanging -= ScrollOwnerViewChanging;
scrollOwner.ViewChanging += ScrollOwnerViewChanging;
itemContainerGenerator.ItemsChanged -= ItemContainerGeneratorItemsChanged;
itemContainerGenerator.ItemsChanged += ItemContainerGeneratorItemsChanged;
}
}
private void MenuListView_ItemClick(object sender, ItemClickEventArgs e)
{
var item = e.ClickedItem as FrameworkElement;
var parent = VisualTreeExtension.GetParentObject <ListViewItem>(item, "");
string tag = parent.Tag.ToString();
switch (tag)
{
case "Message":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.MessagePage));
break;
case "VideoDynamic":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.DynamicPage));
break;
case "MyAnime":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteAnimePage), "anime");
break;
case "MyMovie":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteAnimePage), "cinema");
break;
case "MyFavorite":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteContainerPage), "Favorite");
break;
case "MyCollect":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Account.FavoriteContainerPage), "Collect");
break;
case "ViewLater":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.ViewLaterPage));
break;
case "History":
App.AppViewModel.NavigateToSubPage(typeof(Pages_Share.Sub.Video.HistoryPage));
break;
default:
break;
}
AccountFlyout.Hide();
}