private static Question makeQuestion(string reponses, string titreq)
{
Question res = null;
String titrequestion = getTitreQuestion(titreq);
String nomquestion = getNomQuestion(titreq);
String typequestion = getTypeQuestion(reponses);
titrequestion = titrequestion.Replace("\n", "");
nomquestion = nomquestion.Replace("\n", "");
List <Reponse> reps = getReponses(reponses);
switch (typequestion)
{
case "TRUEFALSE":
res = new QuestionVF();
break;
case "ESSAY":
res = new QuestionEssay();
break;
case "NUMERICAL":
res = new QuestionNumerical();
break;
case "SIMPLE":
res = new QuestionSimple();
break;
case "MULTIPLE":
res = new QuestionMultiple();
break;
case "SHORTANSWER":
res = new QuestionShort();
break;
case "APPARIEMENT":
res = new QuestionAppariement();
break;
}
foreach (Reponse r in reps)
{
cleanReponse(r);
res.addReponse(r);
}
res.addTitre(titrequestion);
res.nomq = nomquestion;
return(res);
}
/// <summary>
/// 从一个大的dictionary中筛选出难度系数为condition的List(只包含它的key)
/// </summary>
/// <param name="bigDictionary"></param>
/// <param name="condition"></param>
/// <returns></returns>
private List <Int32> GetSmallQuestion(Dictionary <Int32, QuestionSimple> bigDictionary, decimal condition)
{
List <Int32> small = new List <Int32>();
QuestionSimple qs = null;
foreach (Int32 item in bigDictionary.Keys)
{
qs = bigDictionary[item];
if (qs.Difficulty == condition)
{
small.Add(qs.ID);
}
}
return(small);
}
private static Question makeMultiChoiceQuestion(XmlNode question)
{
Question res;
String titreq = "";
String feedbackq = "";
if (question["single"].InnerText.Equals("true"))
{
res = new QuestionSimple();
}
else
{
res = new QuestionMultiple();
}
String nom = "";
if (question.SelectSingleNode("name") != null)
{
nom = question["name"].FirstChild.InnerText;
}
res.nomq = nom;
if (question.SelectSingleNode("questiontext") != null)
{
titreq = question["questiontext"].FirstChild.InnerText;
}
if (question.SelectSingleNode("generalfeedback") != null)
{
feedbackq = question["generalfeedback"].FirstChild.InnerText;
}
foreach (XmlNode reponse in question.SelectNodes("answer"))
{
String feedbackr = "";
Boolean vrai = false;
if (reponse.SelectSingleNode("feedback") != null)
{
feedbackr = reponse["feedback"].FirstChild.InnerText;
}
if (double.Parse(reponse.Attributes[0].InnerText.Replace(".", ",")) > 0)
{
vrai = true;
}
res.addReponse(new ReponseSimple(feedbackr, reponse["text"].InnerText, vrai));
}
res.addTitre(titreq);
res.feedbackQ = feedbackq;
return(res);
}
/// <summary>
/// 获取存放某一科目题目的临时字典
/// </summary>
/// <param name="tableName">表的名字</param>
/// <param name="subjectChapterID">科目ID</param>
/// <returns></returns>
private Dictionary <Int32, QuestionSimple> GetQuesOfSubject(String tableName, Int32 subjectID)
{
Dictionary <Int32, QuestionSimple> dictonary = new Dictionary <int, QuestionSimple>();
StringBuilder sqlStr = new StringBuilder();
sqlStr.Append("SELECT id,chapterid,diff FROM ");
sqlStr.Append(tableName);
sqlStr.Append(" WHERE chapterid IN (SELECT DISTINCT [id] FROM [tbChapter] WHERE subjectid=@subjectid) and questype=1");
DataSet ds = SQLHelper.ExecuteDataset(SqlTransaction, CommandType.Text, sqlStr.ToString(), new SqlParameter("@subjectid", subjectID));
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
QuestionSimple qs = new QuestionSimple();
qs.ID = (Int32)ds.Tables[0].Rows[i][0];
qs.SubjectChapterID = (Int32)ds.Tables[0].Rows[i][1];
qs.Difficulty = Convert.ToDecimal(ds.Tables[0].Rows[i][2].ToString());
dictonary.Add(qs.ID, qs);
}
return(dictonary);
}
private static Object makeQuestion(Groupe gp, Boolean open, string ligne)
{
String type = ligne.Substring(0, 2);
Question q = null;
Groupe g = null;
switch (type)
{
case "*<":
q = new QuestionOuverteAMC();
int nblignes = 1;
int debutl = ligne.IndexOf("<");
int finl = ligne.IndexOf(">");
if ((debutl != -1) && (finl != -1))
{
String options = ligne.Substring(debutl + 1, finl - 2);
String[] spl = options.Split("=");
if (spl[0].ToLower().Equals("lines"))
{
nblignes = int.Parse(spl[1]);
}
q.addTitre(ligne.Substring(finl + 1));
}
((QuestionOuverte)q).setLignes(nblignes);
break;
case "**":
q = new QuestionMultiple();
break;
case "*(":
g = new Groupe();
g.addTexte1(ligne.Substring(3));
break;
case "*)":
if (open)
{
open = false;
if (ligne.Length > 2)
{
gp.addTexte2(ligne.Substring(2));
}
}
break;
default:
q = new QuestionSimple();
break;
}
int debutopt = ligne.IndexOf("{");
int finopt = ligne.IndexOf("}");
if ((debutopt != -1) && (finopt != -1))
{
ligne = ligne.Substring(finopt + 2);
}
else
{
ligne = ligne.Substring(2);
}
if (q != null)
{
if (q.titre.Count == 0)
{
q.addTitre(ligne);
}
return(q);
}
return(g);
}
