private void Menu_Opening(object sender, object e)
{
CommandBarFlyout myFlyout = sender as CommandBarFlyout;
if (myFlyout != null && myFlyout.Target == REBCustom)
{
AppBarButton myButton = new AppBarButton
{
Command = new StandardUICommand(StandardUICommandKind.Share)
};
myFlyout.PrimaryCommands.Add(myButton);
}
else
{
muxc.CommandBarFlyout muxFlyout = sender as muxc.CommandBarFlyout;
if (muxFlyout != null && muxFlyout.Target == REBCustom)
{
AppBarButton myButton = new AppBarButton
{
Command = new StandardUICommand(StandardUICommandKind.Share)
};
muxFlyout.PrimaryCommands.Add(myButton);
}
}
}
public static async Task SetCommandBarFlyoutWithExtraContextMenuItems(this ListViewBase ListControl, CommandBarFlyout Flyout, Point ShowAt)
{
if (Flyout == null)
{
throw new ArgumentNullException(nameof(Flyout), "Argument could not be null");
}
if (Interlocked.Exchange(ref ContextMenuLockResource, 1) == 0)
{
try
{
if (ApplicationData.Current.LocalSettings.Values["ContextMenuExtSwitch"] is bool IsExt && !IsExt)
{
foreach (AppBarButton ExtraButton in Flyout.SecondaryCommands.OfType <AppBarButton>().Where((Btn) => Btn.Name == "ExtraButton").ToArray())
{
Flyout.SecondaryCommands.Remove(ExtraButton);
}
foreach (AppBarSeparator Separator in Flyout.SecondaryCommands.OfType <AppBarSeparator>().Where((Sep) => Sep.Name == "CustomSep").ToArray())
{
Flyout.SecondaryCommands.Remove(Separator);
}
}
else
{
string[] SelectedPathArray = null;
if (ListControl.SelectedItems.Count <= 1)
{
if (ListControl.SelectedItem is FileSystemStorageItemBase Selected)
{
SelectedPathArray = new string[] { Selected.Path };
}
else if (ListControl.FindParentOfType <FileControl>() is FileControl Control && !string.IsNullOrEmpty(Control.CurrentPresenter.CurrentFolder?.Path))
{
SelectedPathArray = new string[] { Control.CurrentPresenter.CurrentFolder.Path };
}
}
else
{
SelectedPathArray = ListControl.SelectedItems.OfType <FileSystemStorageItemBase>().Select((Item) => Item.Path).ToArray();
}
if (SelectedPathArray != null)
{
using (FullTrustProcessController.ExclusiveUsage Exclusive = await FullTrustProcessController.GetAvailableController())
{
IReadOnlyList <ContextMenuItem> ExtraMenuItems = await Exclusive.Controller.GetContextMenuItemsAsync(SelectedPathArray, Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down));
foreach (AppBarButton ExtraButton in Flyout.SecondaryCommands.OfType <AppBarButton>().Where((Btn) => Btn.Name == "ExtraButton").ToArray())
{
Flyout.SecondaryCommands.Remove(ExtraButton);
}
foreach (AppBarSeparator Separator in Flyout.SecondaryCommands.OfType <AppBarSeparator>().Where((Sep) => Sep.Name == "CustomSep").ToArray())
{
Flyout.SecondaryCommands.Remove(Separator);
}
if (ExtraMenuItems.Count > 0)
{
async void ClickHandler(object sender, RoutedEventArgs args)
{
if (sender is FrameworkElement Btn && Btn.Tag is ContextMenuItem MenuItem)
{
Flyout.Hide();
if (!await MenuItem.InvokeAsync())
{
QueueContentDialog Dialog = new QueueContentDialog
{
Title = Globalization.GetString("Common_Dialog_ErrorTitle"),
Content = Globalization.GetString("QueueDialog_InvokeContextMenuError_Content"),
CloseButtonText = Globalization.GetString("Common_Dialog_CloseButton")
};
await Dialog.ShowAsync();
}
}
}
short ShowExtNum = Convert.ToInt16(Math.Max(9 - Flyout.SecondaryCommands.Count((Item) => Item is AppBarButton), 0));
int Index = Flyout.SecondaryCommands.IndexOf(Flyout.SecondaryCommands.OfType <AppBarSeparator>().FirstOrDefault()) + 1;
if (ExtraMenuItems.Count > ShowExtNum + 1)
{
Flyout.SecondaryCommands.Insert(Index, new AppBarSeparator {
Name = "CustomSep"
});
foreach (ContextMenuItem AddItem in ExtraMenuItems.Take(ShowExtNum))
{
Flyout.SecondaryCommands.Insert(Index, await AddItem.GenerateUIButtonAsync(ClickHandler));
}
AppBarButton MoreItem = new AppBarButton
{
Label = Globalization.GetString("CommandBarFlyout_More_Item"),
Icon = new SymbolIcon(Symbol.More),
Name = "ExtraButton",
MinWidth = 250
};
MenuFlyout MoreFlyout = new MenuFlyout();
await ContextMenuItem.GenerateSubMenuItemsAsync(MoreFlyout.Items, ExtraMenuItems.Skip(ShowExtNum).ToArray(), ClickHandler);
MoreItem.Flyout = MoreFlyout;
Flyout.SecondaryCommands.Insert(Index + ShowExtNum, MoreItem);
}
else
{
foreach (ContextMenuItem AddItem in ExtraMenuItems)
{
Flyout.SecondaryCommands.Insert(Index, await AddItem.GenerateUIButtonAsync(ClickHandler));
}
Flyout.SecondaryCommands.Insert(Index + ExtraMenuItems.Count, new AppBarSeparator {
Name = "CustomSep"
});
}
}
}
}
}
}
