private void AddQuestion(StackLayout stack, Services.Section s)
{
selectQuestionType.IsVisible = true;
selectQuestionType.ItemsSource = new List <string> {
"Multiple", "Text"
};
selectQuestionType.SelectedIndexChanged += (sender, args) =>
{
Services.Question question;
switch (selectQuestionType.SelectedIndex)
{
case 0:
question = new Services.Question(Services.QuestionType.Multiple);
break;
default:
question = new Services.Question(Services.QuestionType.Text);
break;
}
s.addQuestion(question);
stack.Children.Add(GetQuestionView(question, s));
selectQuestionType.IsVisible = false;
};
if (!selectQuestionType.IsFocused && selectQuestionType.IsVisible)
{
selectQuestionType.IsVisible = false;
}
selectQuestionType.Focus();
}
private Grid GetQuestionView(Services.Question q)
{
Grid grid = new Grid();
Label instruction = new Label {
Text = q.Instruction
};
grid.Children.Add(instruction, 0, 0);
switch (q.Type)
{
case Services.QuestionType.Multiple:
Picker options = new Picker();
options.ItemsSource = q.Options;
int index = q.Options.FindIndex(0, q.Options.Count, a => a == q.Answer);
if (index > 0)
{
options.SelectedIndex = index;
}
options.SelectedIndexChanged += (sender, args) => PickerIndexChanged(q, options.SelectedIndex);
grid.Children.Add(options, 0, 1);
break;
case Services.QuestionType.Text:
Entry inputText = new Entry();
inputText.Text = q.Answer;
inputText.TextChanged += (sender, args) => EntryTextChanged(q, inputText.Text);
grid.Children.Add(inputText, 0, 1);
break;
}
return(grid);
}
private StackLayout GetQuestionView(Services.Question q, Services.Section s)
{
StackLayout grid = new StackLayout();
Button deleteQ = new Button {
Text = "Delete Question"
};
deleteQ.Clicked += (sender, args) => {
grid.IsVisible = false;
s.removeQuestion(q);
};
grid.Children.Add(deleteQ);
Entry changeQinstruction = new Entry {
Text = q.Instruction
};
changeQinstruction.TextChanged += (sender, args) => { q.Instruction = changeQinstruction.Text; };
grid.Children.Add(changeQinstruction);
switch (q.Type)
{
case Services.QuestionType.Multiple:
Label explainQ = new Label {
Text = "Insert the options seperated by a comma"
};
grid.Children.Add(explainQ);
string optionsString = "";
foreach (string item in q.Options)
{
optionsString += $"{item},";
}
Entry changeQoptions = new Entry {
Text = optionsString
};
changeQoptions.TextChanged += (sender, args) => {
q.Options = new List <string>(changeQoptions.Text.Split(','));
};
grid.Children.Add(changeQoptions);
break;
default:
break;
}
return(grid);
}
private void EntryTextChanged(Services.Question q, string Text)
{
q.Answer = Text;
}
private void PickerIndexChanged(Services.Question q, int newIndex)
{
q.Answer = q.Options[newIndex];
}
