public void SetParent(Location parent)
{
this.Parent = parent;
}
public void AddChildLocation(Location child)
{
ChildLocations.Add(child);
}
public bool AddLocation(string locationToAdd, string parentLocation)
{
lock (allLocations)
{
if (allLocations.ContainsKey(locationToAdd))
{
return false;
}
else if (!allLocations.ContainsKey(parentLocation))
{
return false;
}
else
{
Location location = new Location(locationToAdd);
location.SetParent(allLocations[parentLocation]);
allLocations[parentLocation].AddChildLocation(location);
allLocations.Add(locationToAdd, location);
WriteLocationTree();
return true;
}
}
}
private void WriteLocationSubTree(XmlElement xmlParent, Location parent, XmlDocument xmlDoc)
{
foreach (Location childLocation in parent.ChildLocations)
{
XmlElement xmlChild = xmlDoc.CreateElement("Location");
xmlChild.SetAttribute("Name", childLocation.Name());
xmlParent.AppendChild(xmlChild);
WriteLocationSubTree(xmlChild, childLocation, xmlDoc);
}
}
private void ReadLocationSubTree(XmlElement xmlParent, Location parent)
{
foreach (XmlElement xmlChild in xmlParent.ChildNodes)
{
if (!xmlChild.Name.Equals("Location"))
throw new Exception("Location file has node " + xmlChild.Name);
string name = xmlChild.GetAttribute("Name");
int id = ++nextLocId;
Location child = new Location(id, name);
allLocations.Add(name, child);
child.SetParent(parent);
parent.AddChildLocation(child);
//read the rest of the tree
ReadLocationSubTree(xmlChild, child);
}
}
private void ReadLocationTree()
{
XmlDocument xmlDoc = new XmlDocument();
XmlReader xmlReader = XmlReader.Create(LocationsFile, xmlReaderSettings);
xmlDoc.Load(xmlReader);
XmlElement root = xmlDoc.FirstChild as XmlElement;
if (!root.Name.Equals("Location"))
throw new Exception("modules file does not start with location. bad file: " + LocationsFile);
string name = root.GetAttribute("Name");
int id = ++nextLocId;
//read the root location
RootLocation = new Location(id, name);
allLocations.Add(name, RootLocation);
//read the rest of tree
ReadLocationSubTree(root, RootLocation);
xmlReader.Close();
}