public bool IsValidMoveCopy(AIONode nodeToMoveCopy, AIONode nodeToAttach)
{
if (nodeToMoveCopy.Equals(nodeToAttach)) //Truong hop 2 node trung nhau
{
return(false);
}
return(IsValidMoveCopy_R(nodeToMoveCopy.childNode, nodeToAttach));
}
public void DeleteNode(AIONode nodeToDelete)
{
//Check if nodeToDelete is rootNode
if (nodeToDelete.Equals(root))
{
throw new AIOException(AIOExceptionType.CANNOT_DELETE_ROOT);
}
deleteNode = true;
//Count
int [] minus = Count(nodeToDelete);
deleteNode = false;
foldersCount -= minus[0];
filesCount -= minus[1];
AIONode previousNode = nodeToDelete.prevNode;
if (previousNode != null) //Not to delete the root
{
bool previousIsParent = nodeToDelete.prevIsParent;
if (previousIsParent)
{
previousNode.childNode = nodeToDelete.nextNode;
}
else
{
previousNode.nextNode = nodeToDelete.nextNode;
}
if (nodeToDelete.nextNode != null)
{
nodeToDelete.nextNode.prevIsParent = previousIsParent;
nodeToDelete.nextNode.prevNode = previousNode;
}
}
//Delete
nodeToDelete = null;
//Execute Queue Command
aioDb.ExecuteQueueCommand();
}
//De quy vao cac con de kiem tra destination co phai con cua source hay ko
private bool IsValidMoveCopy_R(AIONode subroot, AIONode nodeToAttach)
{
if (subroot == null)
{
return(true);
}
if (subroot.Equals(nodeToAttach)) //Invalid
{
return(false);
}
bool valid = IsValidMoveCopy_R(subroot.childNode, nodeToAttach);
if (!valid)
{
return(false);
}
valid = IsValidMoveCopy_R(subroot.nextNode, nodeToAttach);
if (!valid)
{
return(false);
}
return(true);
}
//De quy vao cac con de kiem tra destination co phai con cua source hay ko
private bool IsValidMoveCopy_R(AIONode subroot, AIONode nodeToAttach)
{
if (subroot == null) return true;
if (subroot.Equals(nodeToAttach)) //Invalid
return false;
bool valid = IsValidMoveCopy_R(subroot.childNode, nodeToAttach);
if (!valid) return false;
valid = IsValidMoveCopy_R(subroot.nextNode, nodeToAttach);
if (!valid) return false;
return true;
}
public bool IsValidMoveCopy(AIONode nodeToMoveCopy, AIONode nodeToAttach)
{
if (nodeToMoveCopy.Equals(nodeToAttach)) //Truong hop 2 node trung nhau
return false;
return IsValidMoveCopy_R(nodeToMoveCopy.childNode, nodeToAttach);
}
public void DeleteNode(AIONode nodeToDelete)
{
//Check if nodeToDelete is rootNode
if (nodeToDelete.Equals(root)) {
throw new AIOException(AIOExceptionType.CANNOT_DELETE_ROOT);
}
deleteNode = true;
//Count
int [] minus = Count(nodeToDelete);
deleteNode = false;
foldersCount -= minus[0];
filesCount -= minus[1];
AIONode previousNode = nodeToDelete.prevNode;
if (previousNode != null) //Not to delete the root
{
bool previousIsParent = nodeToDelete.prevIsParent;
if (previousIsParent)
{
previousNode.childNode = nodeToDelete.nextNode;
}
else
{
previousNode.nextNode = nodeToDelete.nextNode;
}
if (nodeToDelete.nextNode != null)
{
nodeToDelete.nextNode.prevIsParent = previousIsParent;
nodeToDelete.nextNode.prevNode = previousNode;
}
}
//Delete
nodeToDelete = null;
//Execute Queue Command
aioDb.ExecuteQueueCommand();
}
