void RefreshControlBoxes()
{
if (cbTheme.Items.Count - 1 != QuestionDatabase.GetThemes().Length)
{
cbTheme.Items.Clear();
cbTheme.Items.AddRange(QuestionDatabase.GetThemes());
cbTheme.Items.Add("Neu...");
cbTheme.SelectedIndex = cbTheme.Items.Count == 1 ? -1 : 0;
cbChapter.SelectedIndex = cbChapter.Items.Count <= 1 ? -1 : 0;
}
if (QuestionDatabase.ThemeExist(cbTheme.Text))
{
if (cbChapter.Items.Count - 1 != QuestionDatabase.GetChapters(cbTheme.Text).Length || cbChapter.Items.Cast <string>().ToArray() != QuestionDatabase.GetChapters(cbTheme.Text))
{
cbChapter.Items.Clear();
cbChapter.Items.AddRange(QuestionDatabase.GetChapters(cbTheme.Text));
cbChapter.Items.Add("Neu...");
cbChapter.SelectedIndex = cbChapter.Items.Count <= 1 ? -1 : 0;
}
}
bDelChapter.Enabled = cbChapter.SelectedIndex != cbChapter.Items.Count - 1;
bDelTheme.Enabled = cbTheme.SelectedIndex != cbTheme.Items.Count - 1;
bAdd.Enabled = (cbTheme.SelectedIndex != cbTheme.Items.Count - 1 && cbTheme.SelectedIndex != -1) && (cbChapter.SelectedIndex != cbChapter.Items.Count - 1 && cbChapter.SelectedIndex != -1);
}
private void bAdd_Click(object sender, EventArgs e)
{
Question b = null;
try {
switch (tType.SelectedIndex)
{
case (0):
b = FeedTextInput();
break;
case (1):
b = FeedABCDInput();
break;
default:
throw new NotImplementedException();
}
}catch (EvaluateException er) {
Error(er.Message);
return;
}
QuestionDatabase.AddQuestion(cbTheme.Text, cbChapter.Text, b);
ClearInput();
}
private void cbChapter_SelectionChangeCommitted(object sender, EventArgs e)
{
if (cbChapter.SelectedIndex == cbChapter.Items.Count - 1)
{
AddDialog a = new AddDialog(
"Kapitel",
(v, s) => { QuestionDatabase.AddChapter(cbTheme.Text, v); OnAddFinish(s); },
(s) => !QuestionDatabase.ChapterExist(cbTheme.Text, s)
);
a.ShowDialog();
}
else
{
bDelChapter.Enabled = cbChapter.SelectedIndex != cbChapter.Items.Count - 1;
}
}
private void ThemeBox_SelectionChangeCommitted(object sender, EventArgs e)
{
RefreshControlBoxes();
if (themeBox.SelectedIndex == themeBox.Items.Count - 1)
{
AddDialog a = new AddDialog(
"Thema",
(v, s) => { QuestionDatabase.AddTheme(v); OnAddFinish(s); },
(s) => !QuestionDatabase.ThemeExist(s)
);
a.ShowDialog();
}
else
{
RefreshControlBoxes();
}
}
void RefreshControlBoxes()
{
if (themeBox.Items.Count - 1 != QuestionDatabase.GetThemes().Length)
{
themeBox.Items.Clear();
themeBox.Items.AddRange(QuestionDatabase.GetThemes());
themeBox.Items.Add("Neu...");
themeBox.SelectedIndex = themeBox.Items.Count == 1 ? -1 : 0;
}
if (QuestionDatabase.ThemeExist(themeBox.Text))
{
if (checkedChapterList.Items.Count != QuestionDatabase.GetChapters(themeBox.Text).Length || checkedChapterList.Items.Cast <string>().ToArray() != QuestionDatabase.GetChapters(themeBox.Text))
{
checkedChapterList.Items.Clear();
checkedChapterList.Items.AddRange(QuestionDatabase.GetChapters(themeBox.Text));
}
}
checkedChapterList.Enabled = themeBox.Items.Count != 0 || themeBox.SelectedIndex != themeBox.Items.Count - 1;
bStartQuiz.Enabled = checkedChapterList.CheckedItems.Count != 0;
}
private void bClearDatabase_Click(object sender, EventArgs e)
{
QuestionDatabase.Clear();
}