private void PopulateChildrenIDs(ProfileQuestion question, ProfileQuestion[] questions, Dictionary<int, object> dicQuestions, List<string> childClientIDs)
{
ProfileQuestion[] childQuestions =
questions.Where(q => q.ParentQuestionID.HasValue && q.ParentQuestionID.Value == question.Id).ToArray();
if (childQuestions.Length > 0)
{
foreach (ProfileQuestion childQuestion in childQuestions)
{
// child question is not visible so skip it
if (dicQuestions.ContainsKey(childQuestion.Id))
{
string childClientID =
((IProfileSearchComponent)dicQuestions[childQuestion.Id]).UserControlPanel.ClientID;
childClientIDs.Add(childClientID);
}
PopulateChildrenIDs(childQuestion, questions, dicQuestions, childClientIDs);
}
}
}
private void SetCascadeQuestions(ProfileQuestion[] questions, Dictionary<int, object> dicQuestions)
{
List<int> lHiddenParentQuestions = new List<int>();
foreach (ProfileQuestion question in questions)
{
ProfileQuestion[] childQuestions =
questions.Where(q => q.ParentQuestionID.HasValue && q.ParentQuestionID.Value == question.Id).ToArray();
bool isParent = childQuestions.Length > 0;
bool isChild = question.ParentQuestionID.HasValue;
if (!dicQuestions.ContainsKey(question.Id)) // if current question is hidden
continue;
Control currentQuestionControl = (Control)dicQuestions[question.Id];
if ((currentQuestionControl as ICascadeQuestionComponent) != null)
((ICascadeQuestionComponent)currentQuestionControl).GenerateResetValuesJS();
if (isParent)
{
Dictionary<string, object[]> childClientIDsWithParentQuestionChoices = new Dictionary<string, object[]>();
GetChildrenClientIDs(question, questions, dicQuestions, childClientIDsWithParentQuestionChoices);
if ((currentQuestionControl as ICascadeQuestionComponent) != null)
((ICascadeQuestionComponent)currentQuestionControl).GenerateJSForChildVisibility(childClientIDsWithParentQuestionChoices);
else
new Exception(String.Format("{0} control must implement ICascadeQuestionComponent",
currentQuestionControl.ID));
}
if (isChild)
{
// if parent question is hidden hide the child
if (!dicQuestions.ContainsKey(question.ParentQuestionID.Value)
|| lHiddenParentQuestions.Contains(question.ParentQuestionID.Value))
{
lHiddenParentQuestions.Add(question.Id);
((IProfileSearchComponent)currentQuestionControl).UserControlPanel.Attributes.Add("style",
"display:none");
((IProfileSearchComponent)currentQuestionControl).ClearAnswers();
continue;
}
Control currentQuestionParentControl = (Control)dicQuestions[question.ParentQuestionID.Value];
List<string> parentAnswers = new List<string>();
foreach (ProfileAnswer answer in ((IProfileSearchComponent)currentQuestionParentControl).Answers)
{
parentAnswers.Add(answer.Value);
}
if (!question.ParentQuestionChoices.Split(':').Any(parentChoice => parentAnswers.Contains(parentChoice)))
{
lHiddenParentQuestions.Add(question.Id);
((IProfileSearchComponent)currentQuestionControl).UserControlPanel.Attributes.Add("style",
"display:none");
((IProfileSearchComponent)currentQuestionControl).ClearAnswers();
}
}
}
}
private void GetChildrenClientIDs(ProfileQuestion question, ProfileQuestion[] questions, Dictionary<int, object> dicQuestions, Dictionary<string, object[]> childClientIDsWithParentQuestionChoices)
{
ProfileQuestion[] childQuestions =
questions.Where(q => q.ParentQuestionID.HasValue && q.ParentQuestionID.Value == question.Id).ToArray();
if (childQuestions.Length > 0)
{
foreach (ProfileQuestion childQuestion in childQuestions)
{
var childClientIDs = new List<string>();
// child question is not visible so skip it
if (dicQuestions.ContainsKey(childQuestion.Id))
{
string childClientID =
((IProfileSearchComponent)dicQuestions[childQuestion.Id]).UserControlPanel.ClientID;
string[] parentQuestionChoices =
childQuestion.ParentQuestionChoices.Split(new[] { ":" }, StringSplitOptions.RemoveEmptyEntries);
childClientIDsWithParentQuestionChoices.Add(childClientID,
new object[] { parentQuestionChoices, childClientIDs });
}
PopulateChildrenIDs(childQuestion, questions, dicQuestions, childClientIDs);
}
}
}
private bool SetCascadeQuestions(ProfileQuestion[] questions, Dictionary<int, object> dicQuestions)
{
bool hasCascadeQuestions = false;
List<int> lHiddenParentQuestions = new List<int>();
foreach (ProfileQuestion question in questions)
{
ProfileQuestion[] childQuestions =
questions.Where(q => q.ParentQuestionID.HasValue && q.ParentQuestionID.Value == question.Id).ToArray();
bool isParent = childQuestions.Length > 0;
bool isChild = question.ParentQuestionID.HasValue;
if (!dicQuestions.ContainsKey(question.Id)) continue; // if current question is hidden
Control currentQuestionControl = (Control)dicQuestions[question.Id];
if ((currentQuestionControl as ICascadeQuestionComponent) != null)
((ICascadeQuestionComponent)currentQuestionControl).GenerateResetValuesJS();
if (isParent)
{
hasCascadeQuestions = true;
Dictionary<string, object[]> childClientIDsWithParentQuestionChoices = new Dictionary<string, object[]>();
GetChildrenClientIDs(question, questions, dicQuestions, childClientIDsWithParentQuestionChoices);
if ((currentQuestionControl as ICascadeQuestionComponent) != null)
((ICascadeQuestionComponent)currentQuestionControl).GenerateJSForChildVisibility(childClientIDsWithParentQuestionChoices);
else
new Exception(String.Format("{0} control must implement ICascadeQuestionComponent",
currentQuestionControl.ID));
}
if (isChild)
{
// if parent question is hidden hide the child
if (!dicQuestions.ContainsKey(question.ParentQuestionID.Value)
|| lHiddenParentQuestions.Contains(question.ParentQuestionID.Value))
{
lHiddenParentQuestions.Add(question.Id);
((IProfileQuestionComponent)currentQuestionControl).UserControlPanel.Attributes.Add("style",
"display:none");
((IProfileQuestionComponent) currentQuestionControl).Answer.Value = String.Empty;
continue;
}
Control currentQuestionParentControl = (Control)dicQuestions[question.ParentQuestionID.Value];
string[] parentAnswers = new string[0];
try
{
parentAnswers = ((IProfileQuestionComponent)currentQuestionParentControl).Answer.Value.Split(
new string[] { ":" }, StringSplitOptions.RemoveEmptyEntries);
}
catch (AnswerRequiredException)
{
}
if (!question.ParentQuestionChoices.Split(':').Any(parentChoice => parentAnswers.Contains(parentChoice)))
{
lHiddenParentQuestions.Add(question.Id);
((IProfileQuestionComponent) currentQuestionControl).UserControlPanel.Attributes.Add("style",
"display:none");
((IProfileQuestionComponent)currentQuestionControl).Answer.Value = String.Empty;
}
}
}
return hasCascadeQuestions;
}