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())
{
List <ContextMenuItem> ExtraMenuItems = await Exclusive.Controller.GetContextMenuItemsAsync(SelectedPathArray, Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down)).ConfigureAwait(true);
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)
{
if (Btn.Tag is ContextMenuItem MenuItem)
{
Flyout.Hide();
if (!await MenuItem.InvokeAsync().ConfigureAwait(true))
{
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().ConfigureAwait(true);
}
}
}
}
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).ConfigureAwait(true));
}
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).ConfigureAwait(true);
MoreItem.Flyout = MoreFlyout;
Flyout.SecondaryCommands.Insert(Index + ShowExtNum, MoreItem);
}
else
{
foreach (ContextMenuItem AddItem in ExtraMenuItems)
{
Flyout.SecondaryCommands.Insert(Index, await AddItem.GenerateUIButtonAsync(ClickHandler).ConfigureAwait(true));
}
Flyout.SecondaryCommands.Insert(Index + ExtraMenuItems.Count, new AppBarSeparator {
Name = "CustomSep"
});
}
}
}
}
}
}
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 (AppBarElementContainer ExistContainer in Flyout.SecondaryCommands.OfType <AppBarElementContainer>())
{
Flyout.SecondaryCommands.Remove(ExistContainer);
}
List <int> SeparatorGroup = Flyout.SecondaryCommands.Select((Item, Index) => (Index, Item)).Where((Group) => Group.Item is AppBarSeparator).Select((Group) => Group.Index).ToList();
if (SeparatorGroup.Count == 1)
{
if (SeparatorGroup[0] == 0)
{
Flyout.SecondaryCommands.RemoveAt(0);
}
}
else
{
for (int i = 0; i < SeparatorGroup.Count - 1; i++)
{
if (Math.Abs(SeparatorGroup[i] - SeparatorGroup[i + 1]) == 1)
{
Flyout.SecondaryCommands.RemoveAt(SeparatorGroup[i]);
}
}
}
}
else
{
string SelectedPath;
if (ListControl.SelectedItems.Count <= 1)
{
if (ListControl.SelectedItem is FileSystemStorageItemBase Selected)
{
SelectedPath = Selected.Path;
}
else if (ListControl.FindParentOfType <FileControl>() is FileControl Control)
{
if (!string.IsNullOrEmpty(Control.CurrentPresenter.CurrentFolder?.Path))
{
SelectedPath = Control.CurrentPresenter.CurrentFolder.Path;
}
else
{
return;
}
}
else
{
return;
}
using (FullTrustProcessController.ExclusiveUsage Exclusive = await FullTrustProcessController.GetAvailableController())
{
List <ContextMenuItem> ExtraMenuItems = await Exclusive.Controller.GetContextMenuItemsAsync(SelectedPath, Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down)).ConfigureAwait(true);
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)
{
if (Btn.Tag is ContextMenuItem MenuItem)
{
Flyout.Hide();
await MenuItem.InvokeAsync().ConfigureAwait(true);
}
}
}
const short ShowExtNum = 2;
int Index = Flyout.SecondaryCommands.IndexOf(Flyout.SecondaryCommands.OfType <AppBarSeparator>().FirstOrDefault()) + 1;
if (ExtraMenuItems.Count > ShowExtNum)
{
Flyout.SecondaryCommands.Insert(Index, new AppBarSeparator {
Name = "CustomSep"
});
foreach (ContextMenuItem AddItem in ExtraMenuItems.Take(ShowExtNum))
{
Flyout.SecondaryCommands.Insert(Index, await AddItem.GenerateUIButtonAsync(ClickHandler).ConfigureAwait(true));
}
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).ConfigureAwait(true);
MoreItem.Flyout = MoreFlyout;
Flyout.SecondaryCommands.Insert(Index + ShowExtNum, MoreItem);
}
else
{
foreach (ContextMenuItem AddItem in ExtraMenuItems)
{
Flyout.SecondaryCommands.Insert(Index, await AddItem.GenerateUIButtonAsync(ClickHandler).ConfigureAwait(true));
}
Flyout.SecondaryCommands.Insert(Index + ExtraMenuItems.Count, new AppBarSeparator {
Name = "CustomSep"
});
}
}
}
}
}
}