private void AddDescriptor(UserDescriptor descriptor) { var viewModel = descriptor.Host == null?this.CreateInstance(this.authentication, descriptor, this.Owner) : descriptor.Host as UserTreeItemBase; viewModel.Parent = this; descriptor.Host = viewModel; }
private void RemoveDescriptor(UserDescriptor descriptor) { foreach (var item in this.Items.ToArray()) { if (item is UserTreeItemBase viewModel && viewModel.Descriptor == descriptor) { this.Items.Remove(viewModel); } } }
public UserCategoryDescriptor(Authentication authentication, IUserCategory category, DescriptorTypes descriptorTypes, object owner) : base(authentication, category, descriptorTypes) { this.category = category; this.owner = owner ?? this; this.category.Dispatcher.VerifyAccess(); this.categoryName = category.Name; this.categoryPath = category.Path; this.usersReadonly = new ReadOnlyObservableCollection <UserDescriptor>(this.users); this.categoriesReadonly = new ReadOnlyObservableCollection <UserCategoryDescriptor>(this.categories); if (this.descriptorTypes.HasFlag(DescriptorTypes.IsSubscriptable) == true) { this.category.Renamed += Category_Renamed; this.category.Moved += Category_Moved; this.category.Deleted += Category_Deleted; } if (this.descriptorTypes.HasFlag(DescriptorTypes.IsRecursive) == true) { if (this.descriptorTypes.HasFlag(DescriptorTypes.IsSubscriptable) == true) { this.category.Users.CollectionChanged += Users_CollectionChanged; this.category.Categories.CollectionChanged += Categories_CollectionChanged; } foreach (var item in this.category.Categories) { var descriptor = new UserCategoryDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; this.categories.Add(descriptor); } foreach (var item in this.category.Users) { var descriptor = new UserDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; this.users.Add(descriptor); } } }
protected virtual UserTreeItemBase CreateInstance(Authentication authentication, UserDescriptor descriptor, object owner) { return(new UserTreeItemBase(authentication, descriptor, owner)); }
private void Users_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e) { switch (e.Action) { case NotifyCollectionChangedAction.Add: { var descriptorList = new List <UserDescriptor>(e.NewItems.Count); foreach (IUser item in e.NewItems) { if (item.ExtendedProperties.ContainsKey(this.owner) == true) { var descriptor = item.ExtendedProperties[this.owner] as UserDescriptor; descriptorList.Add(descriptor); } else { var descriptor = new UserDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; descriptorList.Add(descriptor); } } this.Dispatcher.InvokeAsync(() => { foreach (var item in descriptorList) { this.users.Add(item); } }); } break; case NotifyCollectionChangedAction.Remove: { var descriptorList = new List <UserDescriptor>(e.OldItems.Count); foreach (IUser item in e.OldItems) { var descriptor = item.ExtendedProperties[this.owner] as UserDescriptor; descriptorList.Add(descriptor); } this.Dispatcher.InvokeAsync(() => { foreach (var item in descriptorList) { this.users.Remove(item); } }); } break; case NotifyCollectionChangedAction.Move: { } break; case NotifyCollectionChangedAction.Reset: { this.Dispatcher.InvokeAsync(() => { this.categories.Clear(); this.users.Clear(); }); } break; } }