private void ShowStatisticForSelection()
{
int count = dgv.SelectedRows.Count;
if (count > 0)
{
double speedSum = 0;
double speed;
double errorspercentSum = 0;
int rhythmicitySum = 0;
int passedCharsSum = 0;
int passedChars;
TimeSpan timeSum = TimeSpan.Zero;
foreach (DataGridViewRow row in dgv.SelectedRows)
{
speed = (double)row.Cells["speedDataGridViewTextBoxColumn"].Value;
passedChars = (int)row.Cells["passedCharsDataGridViewTextBoxColumn"].Value;
speedSum += speed;
errorspercentSum += (double)row.Cells["errorsPercentDataGridViewTextBoxColumn"].Value;
rhythmicitySum += (int)row.Cells["rhythmicityDataGridViewTextBoxColumn"].Value;
passedCharsSum += passedChars;
timeSum += TimeSpan.FromMinutes(passedChars / speed);
}
textBoxCount.Text = count.ToString();
textBoxAvSpeed.Text = (speedSum / count).ToString("F2") + " зн/мин";
textBoxErrors.Text = (errorspercentSum / count).ToString("F2") + " %";
textBoxRhithmicity.Text = (rhythmicitySum / count).ToString() + " %";
textBoxTime.Text = ResultForm.FormatTimeSpan(timeSum);
}
}
private void timerUpdateWidgets_Tick(object sender, EventArgs e)
{
labelTime.Text = ResultForm.FormatTimeSpan(exercise.PastTime);
labelRemainTime.Text = '-' + ResultForm.FormatTimeSpan(exercise.ExpectedRemainTime);
progressBar.Value = (int)(exercise.TextProgress * progressBar.Maximum);
labelVelocity.Text = exercise.Speed.ToString("F");
labelErrors.Text = exercise.Errors.ToString();
}
