protected void PastButtonClick(object sender, EventArgs args)
{
if (!isAnswered [currentTaskToShow])
{
TaskDBData taskDBData = subjectRetriever.GetTaskDBData(tasks [currentTaskToShow], theme);
taskDBData.OverallAttempts++;
if (tasks [currentTaskToShow] is ATask)
{
var task = tasks [currentTaskToShow] as ATask;
int i = 0;
int right = 0;
bool isChecked = false;
foreach (var isCheckedAns in task.CheckedAnswers)
{
if (isCheckedAns)
{
isChecked = true;
if (task.Variants [i].IsRight)
{
right++;
}
}
i++;
}
if (right == task.RightVariants.Count())
{
taskDBData.RightAttempts++;
}
if (isChecked)
{
SetIsAnswered(sender);
}
}
else
{
var task = tasks [currentTaskToShow] as BTask;
var answerEditText = FindViewById <EditText> (Resource.Id.AnswerTextBox);
string answer = answerEditText.Text;
string rightAnswer = task.Variant;
if (!String.IsNullOrEmpty(rightAnswer))
{
if (answer == rightAnswer)
{
taskDBData.RightAttempts++;
}
SetIsAnswered(sender);
}
}
subjectRetriever.UpdateTaskDBData(taskDBData);
ShowTask();
}
else
{
if (!isShowAnswer [currentTaskToShow])
{
isShowAnswer [currentTaskToShow] = true;
GoToURL("http://goo.gl/MHtO2W");
}
}
}
private int GetTaskStatistic(SubjectRetriever retriever, SubjectTheme theme, Task task)
{
var taskData = retriever.GetTaskDBData(task, theme);
int answered = taskData.RightAttempts;
int overall = taskData.OverallAttempts;
if (overall == 0)
{
return(0);
}
return((int)(((float)answered) / overall * 100));
}