public TableCategoryDescriptor(Authentication authentication, ITableCategory 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.accessInfo = category.AccessInfo; this.lockInfo = category.LockInfo; this.accessType = category.GetAccessType(authentication); this.tablesReadonly = new ReadOnlyObservableCollection <TableDescriptor>(this.tables); this.categoriesReadonly = new ReadOnlyObservableCollection <TableCategoryDescriptor>(this.categories); if (this.descriptorTypes.HasFlag(DescriptorTypes.IsSubscriptable) == true) { this.category.Renamed += Category_Renamed; this.category.Moved += Category_Moved; this.category.Deleted += Category_Deleted; this.category.AccessChanged += Category_AccessChanged; this.category.LockChanged += Category_LockChanged; } if (this.descriptorTypes.HasFlag(DescriptorTypes.IsRecursive) == true) { if (this.descriptorTypes.HasFlag(DescriptorTypes.IsSubscriptable) == true) { this.category.Tables.CollectionChanged += Tables_CollectionChanged; this.category.Categories.CollectionChanged += Categories_CollectionChanged; } foreach (var item in this.category.Categories) { var descriptor = new TableCategoryDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; this.categories.Add(descriptor); } foreach (var item in this.category.Tables) { if (item.Parent != null) { continue; } var descriptor = new TableDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; this.tables.Add(descriptor); } } }
private void Categories_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e) { switch (e.Action) { case NotifyCollectionChangedAction.Add: { var descriptorList = new List <TableCategoryDescriptor>(e.NewItems.Count); foreach (ITableCategory item in e.NewItems) { if (item.ExtendedProperties.ContainsKey(this.owner) == true) { var descriptor = item.ExtendedProperties[this.owner] as TableCategoryDescriptor; descriptorList.Add(descriptor); } else { var descriptor = new TableCategoryDescriptor(this.authentication, item, this.descriptorTypes, this.owner); item.ExtendedProperties[this.owner] = descriptor; descriptorList.Add(descriptor); } } this.Dispatcher.InvokeAsync(() => { foreach (var item in descriptorList) { this.categories.Add(item); } }); } break; case NotifyCollectionChangedAction.Remove: { var descriptorList = new List <TableCategoryDescriptor>(e.OldItems.Count); foreach (ITableCategory item in e.OldItems) { var descriptor = item.ExtendedProperties[this.owner] as TableCategoryDescriptor; descriptorList.Add(descriptor); } this.Dispatcher.InvokeAsync(() => { foreach (var item in descriptorList) { this.categories.Remove(item); } }); } break; case NotifyCollectionChangedAction.Move: { } break; case NotifyCollectionChangedAction.Reset: { this.Dispatcher.InvokeAsync(() => { this.categories.Clear(); }); } break; } }