public static void SetVar(string name, string value)
{
CheckCfgFileExists();
XmlDocument doc = JwXML.Load(cfgFile);
XmlNodeList variables = JwXML.GetNodes(doc, "config/variable");
Boolean addNewNode = true;
foreach (XmlNode variable in variables)
{
string varName = JwXML.GetNodeValue(variable, "name");
if (varName == name)
{
addNewNode = false;
JwXML.GetSingleNode(variable, "value").InnerText = value;
}
}
// add new variable node?
if (addNewNode)
{
XmlNode config = JwXML.GetSingleNode(doc, "config");
XmlElement newVariable = doc.CreateElement("variable");
XmlElement newName = doc.CreateElement("name");
newName.InnerText = name;
newVariable.AppendChild(newName);
XmlElement newValue = doc.CreateElement("value");
newValue.InnerText = value;
newVariable.AppendChild(newValue);
config.AppendChild(newVariable);
}
//write back to file
JwXML.WriteToFile(doc, cfgFile);
}
public static List <Question> ReadFile(string xmlFile)
{
List <Question> qList = new List <Question>();
XmlDocument doc = JwXML.Load(xmlFile);
XmlNodeList itemNodes = JwXML.GetNodes(doc, "/questestinterop/item");
for (int i = 0; i < itemNodes.Count; i++)
{
Question q = new Question();
q.name = JwXML.GetNodeAttribute(itemNodes[i], "ident");
//XmlNodeList children = itemNodes[i].ChildNodes;
// get item data
XmlNode metaData = JwXML.GetSingleNode(itemNodes[i], "itemmetadata");
q.type = JwXML.GetNodeValue(metaData, "qmd_itemtype");
q.category = JwXML.GetNodeValue(metaData, "qmd_topic");
// get question text
q.text = JwXML.GetNodeValue(itemNodes[i], "presentation/material/mattext");
// get options
XmlNodeList options = JwXML.GetNodes(itemNodes[i], "presentation/response_lid/render_choice/response_label");
for (int index = 0; index < options.Count; index++)
{
string optionText = JwString.Clean(options[index].InnerText);
q.AddOption(optionText, "", 0);
}
// find correct answer
XmlNodeList responses = JwXML.GetNodes(itemNodes[i], "resprocessing/respcondition");
for (int index = 0; index < responses.Count; index++)
{
string setVar = JwXML.GetNodeValue(responses[index], "setvar", "0");
if (index < q.options.Count)
{
q.options[index].grade = float.Parse(setVar) * 100;
}
}
// get feedback
XmlNodeList feedbacks = JwXML.GetNodes(itemNodes[i], "itemfeedback");
for (int index = 0; index < feedbacks.Count; index++)
{
string feedback = JwXML.GetNodeValue(feedbacks[index], "material/mattext");
if (index < q.options.Count)
{
q.options[index].feedback = feedback;
}
}
// add question to qList
qList.Add(q);
}
return(qList);
}
