/// <summary>
/// Returns all child questions for a given question. Given answer is the answer to search for. If requires match is true,
/// returns all child questions that match. If it's false, returns all non-matches.
/// </summary>
/// <param name="parentQuestion"></param>
/// <param name="givenAnswer"></param>
/// <param name="requiresMatch"></param>
/// <returns></returns>
private List <Control> GetChildQuestionsRecursive(question parentQuestion, string givenAnswer, bool requiresMatch)
{
List <Control> toReturn = new List <Control>();
foreach (Control anItem in formControls[currentParentCategory.id])
{
if (anItem is LabelWithCategory)
{
LabelWithCategory thisItem = (LabelWithCategory)anItem;
if ((thisItem.Category.parent == parentQuestion.id) && ((thisItem.Category.required_answer == givenAnswer) == requiresMatch))
{
toReturn.Add(thisItem);
if (ShowChildQuestions(thisItem.Category))
{
toReturn.AddRange(GetChildQuestionsRecursive(thisItem.Category, ""));
}
}
}
else if (anItem is CallQuestionAnswerDisplay)
{
CallQuestionAnswerDisplay thisItem = (CallQuestionAnswerDisplay)anItem;
if ((thisItem.Question.parent == parentQuestion.id) && ((thisItem.Question.required_answer == givenAnswer) == requiresMatch))
{
toReturn.Add(thisItem);
if (ShowChildQuestions(thisItem.Question))
{
toReturn.AddRange(GetChildQuestionsRecursive(thisItem.Question, ""));
}
}
}
else
{
throw new Exception("Unitialized type in formControls array. (Programmer error.)");
}
}
return(toReturn);
}
void cqad_QuestionCleared(object sender, QuestionAnsweredEventArgs e)
{
_questionsAnsweredCount--;
if (QuestionCleared != null)
{
QuestionCleared(this, new QuestionAnsweredEventArgs());
}
if (_choices.Contains(e.Choice))
{
_choices.Remove(e.Choice);
}
CallQuestionAnswerDisplay sentBy = (CallQuestionAnswerDisplay)sender;
if (sentBy.Question.is_fork)
{
HideQuestions(sentBy, "");
}
}
/// <summary>
/// Hide all questions that do not have the given answer
/// </summary>
/// <param name="sentBy"></param>
/// <param name="answer"></param>
private void HideQuestions(CallQuestionAnswerDisplay sentBy, string answer)
{
// Need to show all subquestions here
List <Control> toHide = GetChildQuestionsRecursive(sentBy.Question, answer, false);
int totalSubtractHeight = 0;
toHide.Sort(delegate(Control c1, Control c2) { return(c1.TabIndex.CompareTo(c2.TabIndex)); });
foreach (Control aControl in toHide)
{
int top = 0;
totalSubtractHeight += aControl.Height;
if (aControl is LabelWithCategory)
{
((LabelWithCategory)aControl).IsHidden = true;
aControl.Height = ((LabelWithCategory)aControl).DefaultHeight;
top = GetTop(aControl.TabIndex) + CATEGORYSPACER;
}
else if (aControl is CallQuestionAnswerDisplay)
{
((CallQuestionAnswerDisplay)aControl).IsHidden = true;
aControl.Height = ((CallQuestionAnswerDisplay)aControl).DefaultHeight;
top = GetTop(aControl.TabIndex) + SPACER;
}
aControl.Location = new Point(aControl.Location.X, top);
}
if (toHide.Count > 0)
{
for (int i = toHide[toHide.Count - 1].TabIndex + 1; i < formControls[currentParentCategory.id].Count; i++)
{
formControls[currentParentCategory.id][i].Top -= totalSubtractHeight;
}
}
}
void cqad_QuestionAnswered(object sender, QuestionAnsweredEventArgs e)
{
_questionsAnsweredCount++;
CallQuestionAnswerDisplay sentBy = (CallQuestionAnswerDisplay)sender;
if (sentBy.Question.is_fork)
{
pnlControls.SuspendLayout();
pnlControls.AutoScroll = false;
HideQuestions(sentBy, e.Choice.answer);
// Need to show all subquestions here
List <Control> toShow = GetChildQuestionsRecursive(sentBy.Question, e.Choice.answer);
int totalAddedHeight = 0;
// Controls aren't showing properly because controls in toShow aren't sorted by tabindex
// Is likely also the problem with control hiding
toShow.Sort(delegate(Control c1, Control c2) { return(c1.TabIndex.CompareTo(c2.TabIndex)); });
int lastBottom = 0;
if (toShow.Count > 0)
{
lastBottom = GetTop(toShow[0].TabIndex);
}
foreach (Control aControl in toShow)
{
int top = 0;
if (aControl is LabelWithCategory)
{
((LabelWithCategory)aControl).IsHidden = false;
aControl.Height = ((LabelWithCategory)aControl).DefaultHeight;
top = lastBottom + CATEGORYSPACER;
}
else if (aControl is CallQuestionAnswerDisplay)
{
((CallQuestionAnswerDisplay)aControl).IsHidden = false;
aControl.Height = ((CallQuestionAnswerDisplay)aControl).DefaultHeight;
top = lastBottom + SPACER;
}
totalAddedHeight += aControl.Height;
aControl.Location = new Point(aControl.Location.X, top);
lastBottom = aControl.Bottom;
}
if (toShow.Count > 0)
{
for (int i = toShow[toShow.Count - 1].TabIndex + 1; i < formControls[currentParentCategory.id].Count; i++)
{
formControls[currentParentCategory.id][i].Top += totalAddedHeight;
}
}
pnlControls.ResumeLayout();
pnlControls.AutoScroll = true;
}
if (!_choices.Contains(e.Choice))
{
_choices.Add(e.Choice);
}
if (QuestionAnswered != null)
{
QuestionAnswered(sender, e);
}
}
private void AddQuestion(question q, bool isRoot, bool hideQuestion)
{
int lastBottom;
if (isRoot)
{
questionCount++;
// Slight hack here because sometimes the root category does not have
// a question in it, and the root level is deeper. Will have problems
// with deeply nested questions, should be addressed at some point
if (q.parent == currentParentCategory.id)
{
displayDepth = 0;
}
else
{
displayDepth = 1;
}
if (!categories.ContainsKey(q.parent))
{
categories.Add(q.parent, displayDepth);
}
}
else if (!categories.ContainsKey(q.parent))
{
questionCount++;
if (categories.ContainsKey(q.ParentQuestion.parent))
{
displayDepth = categories[q.ParentQuestion.parent] + 1;
}
else
{
displayDepth++;
}
categories.Add(q.parent, displayDepth);
}
else
{
questionCount++;
displayDepth = categories[q.parent];
}
if (q.is_fork)
{
if (!categories.ContainsKey(q.id))
{
categories.Add(q.id, displayDepth);
}
}
if (lastAdded == null)
{
lastBottom = 0;
}
else
{
lastBottom = lastAdded.Bottom;
}
if (q.type == question.QuestionTypes.Category)
{
AddCategoryLabel(q, hideQuestion);
}
else
{
CallQuestionAnswerDisplay cqad = new CallQuestionAnswerDisplay(q, null, CurrentCall);
cqad.Location = new Point(DEFAULTX + (DEFAULTINDENT * displayDepth), lastBottom + SPACER);
if (q.is_fork)
{
cqad.Top += CATEGORYSPACER;
}
cqad.TabIndex = controlCount;
cqad.Name = "cqad" + controlCount;
cqad.Size = new Size(Width - DEFAULTX - 15 - (DEFAULTINDENT * displayDepth), cqad.DefaultHeight);
cqad.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
cqad.BorderStyle = BorderStyle.FixedSingle;
cqad.QuestionAnswered += new EventHandler <QuestionAnsweredEventArgs>(cqad_QuestionAnswered);
cqad.QuestionCleared += new EventHandler <QuestionAnsweredEventArgs>(cqad_QuestionCleared);
cqad.IsHidden = hideQuestion;
cqad.Size = new Size(Width - DEFAULTX - 15 - (DEFAULTINDENT * displayDepth), cqad.DefaultHeight);
cqad.DisplayDepth = displayDepth;
controlCount++;
lastAdded = cqad;
pnlControls.Controls.Add(cqad);
formControls[currentParentCategory.id].Add(cqad);
}
}