Example #1
0
        public ActionResult Move(int nodeId, int? newParentId, bool list)
        {
            if (list)
            {
                return RedirectToAction("Index");
            }

            if (nodeId == newParentId)
            {
                return RedirectToAction("Index");
            }

            using (TreeContext context = new TreeContext())
            {
                if (newParentId.HasValue && ContainsChilds(context, nodeId, newParentId.Value))
                {
                    return RedirectToAction("Index");
                }
                var node = context.Folders.Where(x => x.Id == nodeId).Single();
                node.ParentId = newParentId;
                context.SaveChanges();
            }

            return RedirectToAction("Index");
        }
Example #2
0
        public ActionResult Delete(int id)
        {
            using (TreeContext context = new TreeContext())
            {
                DeleteNodes(context, id);
                context.SaveChanges();
            }

            return RedirectToAction("Index");
        }
Example #3
0
        public ActionResult Index()
        {
            using (TreeContext context = new TreeContext())
            {
                FoldersListModel model = new FoldersListModel()
                {
                    Folders = context.Folders.Where(x => !x.IsDeleted).ToArray().Select(x => new FoldersModel(x))
                };
                return View(model);//Возвращение список всех папок где параметр IsDeleted false

            }
        }
Example #4
0
        public ActionResult Add(int? parentId, string title, bool isList)
        {
            using (TreeContext context = new TreeContext())
            {
                var newFolders = new Folders()
                {
                    ParentId = parentId,
                    Title = title,
                    IsList=isList
                };
                context.Folders.Add(newFolders);
                context.SaveChanges();
            }

            return RedirectToAction("Index");
        }
            public NewsDBInitializer()
            {
                Database.SetInitializer<TreeContext>(null);

                try
                {
                    using (var context = new TreeContext())
                    {
                        if (!context.Database.Exists())
                        {
                            ((IObjectContextAdapter)context).ObjectContext.CreateDatabase();
                        }
                    }
                }
                catch (Exception ex)
                {
                    throw new InvalidOperationException("The news database could not be initialized.", ex);
                }
            }
Example #6
0
        //не совсем понятно
        private bool ContainsChilds(TreeContext context, int parentId, int id)
        {
            bool result = false;
            var inner = context.Folders.Where(x => x.ParentId == parentId && !x.IsDeleted).ToArray();
            foreach (var node in inner)
            {
                if (node.Id == id && node.ParentId == parentId)
                {
                    return true;
                }
                result = ContainsChilds(context, node.Id, id);
            }

            return result;
        }
Example #7
0
 //метод удаления записи
 private void DeleteNodes(TreeContext context, int id)
 {
     var inner = context.Folders.Where(x => x.ParentId == id && !x.IsDeleted).ToArray();
     foreach (var node in inner)
     {
         node.IsDeleted = true;
         DeleteNodes(context, node.Id);
     }
     var deleted = context.Folders.Where(x => x.Id == id && !x.IsDeleted).Single();
     deleted.IsDeleted = true;
 }