/// <summary>
/// Populates the tree view nodes with the contents of the data file.
/// </summary>
/// <param name="tv">TreeView to add items to</param>
/// <param name="prevSelSystem">Name of previously-selected system.</param>
/// <returns>The node that matches prevSelSystem, or null if not found.</returns>
private TreeNode PopulateNodes(TreeView tv, string prevSelSystem)
{
TreeNode selNode = null;
string sysDefsPath = RuntimeDataAccess.GetPathName("SystemDefs.json");
if (sysDefsPath == null)
{
TreeNode errNode = new MyTreeNode(
SourceGen.Properties.Resources.ERR_LOAD_CONFIG_FILE, false, null);
tv.Nodes.Add(errNode);
return(null);
}
try {
mSystemDefs = SystemDefSet.ReadFile(sysDefsPath);
} catch (Exception ex) {
Debug.WriteLine("Failed loading system def set: " + ex);
TreeNode errNode = new MyTreeNode(
SourceGen.Properties.Resources.ERR_LOAD_CONFIG_FILE, false, null);
tv.Nodes.Add(errNode);
return(null);
}
if (mSystemDefs.Defs == null || mSystemDefs.Defs.Length == 0)
{
Debug.WriteLine("Empty def set found");
TreeNode errNode = new MyTreeNode(
SourceGen.Properties.Resources.ERR_LOAD_CONFIG_FILE, false, null);
tv.Nodes.Add(errNode);
return(null);
}
var groups = new Dictionary <string, MyTreeNode>();
foreach (SystemDef sd in mSystemDefs.Defs)
{
if (!groups.TryGetValue(sd.GroupName, out MyTreeNode groupNode))
{
groupNode = new MyTreeNode(sd.GroupName, false, null);
groups[sd.GroupName] = groupNode;
tv.Nodes.Add(groupNode);
}
bool isValid = sd.Validate();
string treeName = isValid ? sd.Name :
sd.Name + SourceGen.Properties.Resources.ERR_INVALID_SYSDEF;
MyTreeNode newNode = new MyTreeNode(treeName, isValid, sd);
groupNode.Nodes.Add(newNode);
if (isValid && sd.Name == prevSelSystem)
{
selNode = newNode;
}
}
return(selNode);
}
/// <summary>
/// Reads the named config file. Throws an exception on failure.
/// </summary>
/// <param name="pathName">Config file path name</param>
/// <returns>Fully-populated system defs.</returns>
public static SystemDefSet ReadFile(string pathName)
{
string fileStr = File.ReadAllText(pathName);
//Debug.WriteLine("READ " + fileStr);
JavaScriptSerializer ser = new JavaScriptSerializer();
SystemDefSet sdf = ser.Deserialize <SystemDefSet>(fileStr);
if (sdf.Contents != MAGIC)
{
// This shouldn't happen unless somebody is tampering with the
// config file.
Debug.WriteLine("Expected contents '" + MAGIC + "', got " +
sdf.Contents + "'");
throw new InvalidDataException("Sys def file '" + pathName +
"': Unexpected contents '" + sdf.Contents + "'");
}
foreach (SystemDef sd in sdf.Defs)
{
Debug.WriteLine("### " + sd);
}
return(sdf);
}
