public Controller(Model mod)
{
this.mod = mod;
subNodesList = mod.GetNodesList(0);
prevSubNodesList = new List<Node>();
currentNode = null;
}
private void Cd(params string[] args)
{
if (args [1] == "..")
{
if(prevSubNodesList.Count>0)
{
int lastNode = prevSubNodesList.Count-1;
this.currentNode = mod.GetNode(prevSubNodesList[lastNode].GetID());
ReloadLists();
}
else
{
this.currentNode = null;
ReloadLists();
}
}
else
{
if(subNodesList.Count==0) return;
foreach(Node temp in subNodesList)
{
if(temp.name == args[1])
{
currentNode = temp;
ReloadLists();
break;
}
}
}
}
public Controller(string path)
{
this.mod = new Model(path);
subNodesList = mod.GetNodesList(0);
prevSubNodesList = new List<Node>();
currentNode = null;
}
public override void realizeCommand(params string[] args)
{
View.WriteMessage(string.Format("dodaje nowy wezel o nazwie {0}", args[1]));
UInt32 newID = 1000; //tymczasowa wartosc
Node newNode = new Node(args[1],StateOfNode.uncompleted,newID,con.currentLvl+1);
if(con.currentLvl!=0)
mod.NewNode(con.currentNode.GetID(),newNode);
else mod.NewNode(true,newNode);
con.subNodesList.Add(newNode);
}
private void AddNode(params string[] args)
{
Node newNode = new Node (args [1]);
if (currentNode != null) {
mod.NewNode (currentNode.GetID (), newNode);
subNodesList = mod.GetSubNodesList (currentNode.GetID ());
}
else
{
mod.NewNode (true, newNode);
subNodesList=mod.GetNodesList(0);
}
}
void DestroyChildren(Node current)
{
List<Node> children = mod.GetSubNodesList (current.GetID ());
if (children.Count == 0)
mod.Delete (current.GetID());
else
{
foreach(Node tmp in children)
{
DestroyChildren(tmp);
children = mod.GetSubNodesList(current.GetID());
}
DestroyChildren(current);
}
}
// overload, now you can send Node object like a argument
private void SetReaderOn(Node nod)
{
reader.DiscardBufferedData();
reader.BaseStream.Position = 0;//zabezpieczyc przed reader bez sciezki do pliku
string line;
while ((line = reader.ReadLine()) != null)
{
if(ParseID(line) == nod.GetID()) return;
}
reader.BaseStream.Position = 0;
}
private Node ParseNode(string line)
{
Node newNode = new Node();
newNode.name = ParseName(line);
newNode.SetID(ParseID(line));
newNode.state = ParseState(line);
newNode.Level = ParseLevel(line);
return newNode;
}
public void Save(Node NodeToSave)
{
reader.DiscardBufferedData();
reader.BaseStream.Position = 0;
string line;
while ((line = reader.ReadLine()) != null)
{
if (ParseID(line) == NodeToSave.GetID())
{
line = NodeToSave.ToString ();
}
writer.WriteLine (line);
}
reader.BaseStream.Position=0;
ReloadStreams();
}
public void NewNode(bool First, Node NewNodeToSave)
{
NewNodeToSave.Level=0;
if(reader.BaseStream.Length != 0) NewNodeToSave.SetID(AssignNewID());
else NewNodeToSave.SetID(0);
string lineToWrite = NewNodeToSave.ToString();
string line;
reader.DiscardBufferedData();
reader.BaseStream.Position = 0;
writer.BaseStream.Position=0;
writer.WriteLine(lineToWrite);
while ((line = reader.ReadLine()) != null)
{
writer.WriteLine(line);
}
ReloadStreams();
}
public void NewNode(UInt32 ParentID, Node NewNodeToSave)
{
reader.BaseStream.Position = 0;
//writer.BaseStream.Position = 0;
NewNodeToSave.SetID(AssignNewID());
NewNodeToSave.Level = GetLevel(ParentID) + 1;
string newLineToWrite = NewNodeToSave.ToString ();
string line;
reader.DiscardBufferedData();
while ((line = reader.ReadLine()) != null)
{
writer.WriteLine(line);
if(ParseID(line) == ParentID)
{
writer.WriteLine(newLineToWrite);
}
}
ReloadStreams();
}