public SqlHierarchyId GetAncestor(int n)
{
if (IsNull || _imp.GetLevel() < n)
{
return(Null);
}
if (n < 0)
{
throw new ArgumentOutOfRangeException("24011: SqlHierarchyId.GetAncestor failed because 'n' was negative.");
}
return(new SqlHierarchyId(_imp.GetAncestor(n)));
}
/// <summary>
/// Возвращает путь для вставки в конец
/// </summary>
/// <param name="parentPath"></param>
/// <returns></returns>
public HierarchyId GetAppendPath(HierarchyId parentPath)
{
var index = context.Blocks.Count(x => x.Path.GetLevel() == parentPath.GetLevel() + 1 &&
x.Path.IsDescendantOf(parentPath)) + 1;
HierarchyId newItemPath = HierarchyId.Parse(parentPath + index.ToString() + "/");
return(newItemPath);
}
private void Dive(TreeItem currentNode, HierarchyId currentPath)
{
var newBlock = new Block
{
Id = Guid.NewGuid(),
Path = currentPath,
Level = currentPath.GetLevel(),
BlockName = currentNode.Name,
IsChoice = currentNode.IsChoice,
Order = currentNode.Order,
AttributeList = new Collection <AttributeMetadata>()
};
var subBlocks = currentNode.SubItems.Where(x => x.SubItems != null).ToArray();
//блок
for (int i = 1; i <= subBlocks.Length; i++)
{
var subItem = currentNode.SubItems[i - 1];
Dive(subItem, HierarchyId.Parse(currentPath + i.ToString() + "/"));
}
/*var subAttributes = currentNode.SubItems.Where(x => x.SubItems == null).Select(x => new AttributeMetadata
* {
* Id = Guid.NewGuid(),
* AttributeName = x.Name,
* BlockId = newBlock.Id,
* Placeholder = x.Placeholder,
* });*/
foreach (var node in currentNode.SubItems.Where(x => x.SubItems == null))
{
newBlock.AttributeList.Add(new AttributeMetadata
{
Id = Guid.NewGuid(),
AttributeName = node.Name,
Placeholder = node.Placeholder,
Order = node.Order
});
}
context.Blocks.Add(newBlock);
}
