public override IDerivation Expand(DerivationContext aContext)
{
ListDerivation lList = new ListDerivation(true, aContext);
TextDerivation lText = new TextDerivation(Name); //Symbol.Create(mGrammar, Name, true);
lList.Add(lText);
//add this point to special list for futher replacement
PlaceHolders.Add(Name, lText);
return(lList);
}
private string AddObject(object aObject, string aName, string aRootNodeID)
{
if (aObject == null)
{
return("null!");
}
string type = aObject.GetType().Name;
string title = type + " " + aName;
string lNodeId;
if (typeof(ListDerivation) == aObject.GetType())
{
ListDerivation l = aObject as ListDerivation;
string s = "\r\n0";
for (int i = 1; i < l.mList.Count; i++)
{
s += " | " + i.ToString();
}
lNodeId = gb.AddNode(title + s);
gb.SetBGColor(lNodeId, 255, 255, 0);
if (aRootNodeID != null)
{
gb.AddEdge(aRootNodeID, aName, lNodeId);
}
for (int i = 0; i < l.mList.Count; i++)
{
AddObject(l.mList[i], string.Format("[{0}]", i), lNodeId);
}
return(lNodeId);
}
else if (typeof(TextDerivation) == aObject.GetType())
{
if (aRootNodeID != null)
{
TextDerivation l = aObject as TextDerivation;
string lStr = string.Format("\"{0}\"", l.Text);
gb.AddEdge(aRootNodeID, aName, lStr);
gb.SetBGColor(lStr, 0, 255, 0);
}
return(null);
}
else if (typeof(SymbolDerivation) == aObject.GetType())
{
SymbolDerivation l = aObject as SymbolDerivation;
gb.AddEdge(aRootNodeID, aName, l.Symbol.Text + " " + type);
return(null);
}
else if (typeof(DictionaryDerivation) == aObject.GetType())
{
DictionaryDerivation l = aObject as DictionaryDerivation;
String[] keys = l.Keys;
title += "\r\n" + string.Join("\r\n", keys);
lNodeId = gb.AddNode(title);
gb.SetBGColor(lNodeId, 255, 128, 0);
if (aRootNodeID != null)
{
gb.AddEdge(aRootNodeID, aName, lNodeId);
}
foreach (string lKey in keys)
{
AddObject(l[lKey], lKey, lNodeId);
}
return(lNodeId);
}
//default
lNodeId = gb.AddNode(title);
return(lNodeId);
}