public JsonResult CreateNode(FileNodeOperationDateContract contract)
{
if (contract == null)
throw new ArgumentNullException("the argument is null!!!!!");
PicNode parent = PicNode.Load(contract.ParentId.Value);
if (parent == null)
throw new ArgumentException("the parentid is null!!!!");
PicNode temp = PicNode.FindByPath(parent.Path + "/" + contract.Name);
if (temp != null)
return Json(new { status = 0, success = false, message = "请确定文件夹名称在该目录下是否唯一！" });
PicNode node = new PicNode();
node.IsFile = false;
node.Status = 0;
node.Root = parent.Root;
node.Name = contract.Name;
node.Path = parent.Path + "/" + node.Name;
PicNode.Insert(node);
return Json(new { id = node.Id.ToString(), status = node.Status.ToString(), success = true, message = "成功创建文件夹！" });
}
public JsonResult ReNameNode(FileNodeOperationDateContract contract)
{
if (contract == null)
throw new ArgumentNullException("the argument is null!!!!!");
PicNode node = PicNode.Load(contract.Id.Value);
node.Name = contract.Name;
node.Save();
return Json(new { id = node.Id, status = 1, success = true, message = "成功将文件夹重新命名！" });
}
public JsonResult Operation(FileNodeOperationDateContract contract)
{
if (ReferenceEquals(contract, null))
throw new ArgumentNullException("contract is null!!!!");
if (string.IsNullOrEmpty(contract.Operation)) throw new ArgumentException("the operation contained is null or empty!!!");
if (operations[contract.Operation] == null) throw new ArgumentException("the operation is not exist!!!");
return this.operations[contract.Operation](contract);
}
public JsonResult RemoveNode(FileNodeOperationDateContract contract)
{
if (contract == null)
throw new ArgumentNullException("the argument is null!!!!!");
// 修改
IList<PicNode> roots = PicNode.GetRoots().ToList();
bool isdelete = true;
if (roots.Count == 1 && contract.Id == roots[0].Id)
{
isdelete = false;
return Json(new { id = contract.Id.ToString(), status = 0, success = false, message = "该文件夹是根目录不能删除！" });
}
if (isdelete)
{
PicNode.Delete(contract.Id.Value);
}
return Json(new { id = contract.Id.ToString(), status = 1, success = true, message = "成功将文件夹移除！" });
}
public JsonResult GetChildren(FileNodeOperationDateContract contract)
{
if (contract == null)
throw new ArgumentNullException("the argument is null!!!!!");
IList<PicNode> nodes = new List<PicNode>();
IList<Node> results = new List<Node>();
if (contract.Id == null || !contract.Id.HasValue)
{
nodes = PicNode.GetRoots().ToList();
}
else
{
nodes = PicNode.GetSubs(contract.Id.Value).ToList();
}
foreach (var n in nodes)
{
results.Add(new Node(n.Name, n.Id.ToString()));
}
return Json(results, JsonRequestBehavior.AllowGet);
}
