// Trigger when user click "Add Candidate" button
// add new Candidate to the current Question
private void addCandidateBtn_Click(object sender, EventArgs e)
{
if (currentQuestion == null)
{
MessageBox.Show("You need to choose a question.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
Candidate c = new Candidate();
if (currentQuestion.Candidates.Count() == 0)
{
c.CandidateId = 1;
}
else
{
// increase last CandidateId by 1
c.CandidateId = currentQuestion.Candidates[currentQuestion.Candidates.Count() - 1].CandidateId + 1;
}
c.QuestionType = Candidate.QuestionTypes.Query;
currentQuestion.Candidates.Add(c);
TabPage tp = new TabPage("Candidate " + currentQuestion.Candidates.Count());
CandidatePanel candidatePanel = new CandidatePanel(c, this.HandleDeleteCandidate);
tp.Controls.Add(candidatePanel);
candidateControl.TabPages.Add(tp);
// focus new tab
candidateControl.SelectedIndex = candidateControl.TabCount - 1;
tp.Focus();
}
// When user click "Question i" button
// switch tab control to the corresponding Question's Candidates
private void Question_Btn_Click(object _sender, EventArgs _e, Question _q)
{
currentQuestionBtn = (Button)_sender;
// Clear binding with the previous Question Point
pointTxt.DataBindings.Clear();
// Bind with current Question Point
pointTxt.DataBindings.Add("Text", _q, "Point");
questionIdTxt.Text = _q.QuestionId.ToString();
candidateControl.TabPages.Clear();
currentQuestion = _q;
Button btn = (Button)_sender;
btn.Focus();
// Show corresponding question's candidates in tab control
for (int i = 0; i < _q.Candidates.Count(); i++)
{
Candidate c = _q.Candidates[i];
TabPage tp = new TabPage("Candidate " + (i + 1));
CandidatePanel candidatePanel = new CandidatePanel(c, this.HandleDeleteCandidate);
tp.Controls.Add(candidatePanel);
candidateControl.TabPages.Add(tp);
}
}
