public UserCategoryDescriptor(Authentication authentication, IUserCategoryDescriptor descriptor, bool isSubscriptable, object owner)
: base(authentication, descriptor.Target, descriptor, isSubscriptable)
{
this.category = descriptor.Target;
this.owner = owner ?? this;
this.usersReadonly = new ReadOnlyObservableCollection <UserDescriptor>(this.users);
this.categoriesReadonly = new ReadOnlyObservableCollection <UserCategoryDescriptor>(this.categories);
}
public static async Task <bool> MoveAsync(Authentication authentication, IUserCategoryDescriptor descriptor)
{
var dialog = await MoveUserCategoryViewModel.CreateInstanceAsync(authentication, descriptor);
if (dialog != null && await dialog.ShowDialogAsync() == true)
{
return(true);
}
return(false);
}
public static Task <RenameCategoryViewModel> CreateInstanceAsync(Authentication authentication, IUserCategoryDescriptor descriptor)
{
if (authentication == null)
{
throw new ArgumentNullException(nameof(authentication));
}
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
if (descriptor.Target is IUserCategory category)
{
return(category.Dispatcher.InvokeAsync(() =>
{
return new RenameCategoryViewModel(authentication, category);
}));
}
else
{
throw new ArgumentException("Invalid Target of Descriptor", nameof(descriptor));
}
}
public static Task <MoveUserCategoryViewModel> CreateInstanceAsync(Authentication authentication, IUserCategoryDescriptor descriptor)
{
if (authentication == null)
{
throw new ArgumentNullException(nameof(authentication));
}
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
if (descriptor.Target is IUserCategory category)
{
return(category.Dispatcher.InvokeAsync(() =>
{
var categories = category.GetService(typeof(IUserCategoryCollection)) as IUserCategoryCollection;
var targetPaths = categories.Select(item => item.Path).ToArray();
return new MoveUserCategoryViewModel(authentication, category, targetPaths);
}));
}
else
{
throw new ArgumentException("Invalid Target of Descriptor", nameof(descriptor));
}
}
public static async Task <bool> DeleteAsync(Authentication authentication, IUserCategoryDescriptor descriptor)
{
var dialog = await DeleteUserCategoryViewModel.CreateInstanceAsync(authentication, descriptor);
return(dialog?.ShowDialog() == true);
}
public static async Task <string> NewFolderAsync(Authentication authentication, IUserCategoryDescriptor descriptor)
{
var dialog = await NewUserCategoryViewModel.CreateInstanceAsync(authentication, descriptor);
if (dialog?.ShowDialog() == true)
{
return(dialog.CategoryName);
}
return(null);
}
public static bool CanNewFolder(Authentication authentication, IUserCategoryDescriptor descriptor)
{
return(authentication.Authority == Authority.Admin);
}
public static bool CanDelete(Authentication authentication, IUserCategoryDescriptor _)
{
return(authentication.Authority == Authority.Admin);
}
