public ActionResult Create([Bind(Include = "Id,Name")] Tree tree, int?id)
{
if (ModelState.IsValid)
{
db.Trees.Add(tree);
db.SaveChanges();
if (id != null)
{
Tree parent = db.Trees.SingleOrDefault(t => t.Id == id);
if (parent != null)
{
tree.Parent = parent;
}
else
{
tree.Parent = tree;
}
}
else
{
tree.Parent = tree;
}
db.SaveChanges();
return(RedirectToAction("Index"));
}
ViewBag.ParentId = new SelectList(db.Trees, "Id", "Name", tree.ParentId);
return(View(tree));
}
public async Task <VMGetNodes> CreateAsync(VMAddNodes node)
{
if (!_validator.Validate(node.Name))
{
throw new ArgumentException("Data not valid. Name must has maximum 30 chars.");
}
var level = _context.Nodes.Where(x => x.IdNode == node.ParentId).Select(x => x.Level).FirstOrDefault();
var newNode = new DbNode
{
Level = level + 1,
Name = node.Name,
ParentId = node.ParentId
};
var result = await _context.Nodes.AddAsync(newNode);
_context.SaveChanges();
var dbNode = result.Entity;
var viewModel = new VMGetNodes();
viewModel.IdNode = dbNode.IdNode;
viewModel.Level = dbNode.Level;
viewModel.Name = dbNode.Name;
viewModel.ParentId = dbNode.ParentId;
return(viewModel);
}
public ActionResult Move(int nodeId, int?newParentId, bool list) //Метод перемещения ветви в другую ветвь
{
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"));
}
public int Create(EasyTree entity)
{
using (TreeContext db = new TreeContext())
{
db.Set <EasyTree>().Add(entity);
return(db.SaveChanges());
}
}
public int Edit(EasyTree entity)
{
using (TreeContext db = new TreeContext())
{
db.Set <EasyTree>().Attach(entity);
db.Entry <EasyTree>(entity).State = EntityState.Modified;
return(db.SaveChanges());
}
}
public ActionResult Delete(int id)//метод принимающий параметры для удаления записи
{
using (TreeContext context = new TreeContext())
{
DeleteNodes(context, id);
context.SaveChanges();
}
return(RedirectToAction("Index"));
}
public int Delete(int id)
{
using (TreeContext db = new TreeContext())
{
EasyTree entity = db.EasyTrees.SingleOrDefault(a => a.id == id);
db.Set <EasyTree>().Remove(entity);
int row = db.SaveChanges();
return(row > 0 ? 1 : 0);
}
}
public ActionResult Add(int?parentId, string title, bool isList) //метод добавления новой записи
{
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 bool SaveChanges()
{
_context.SaveChanges();
return(true);
}