private void btnSort_Click(object sender, EventArgs e)
{
Dictionary <string, FeedbackSortType> sortTypes = new Dictionary <string, FeedbackSortType>()
{
{ "First Name", FeedbackSortType.FIRST_NAME },
{ "Last Name", FeedbackSortType.LAST_NAME },
{ "DOB", FeedbackSortType.DOB }
};
string selectedSortType = sortTypesList[cboSort.SelectedIndex];
FeedbackSortType sortType = sortTypes[selectedSortType];
if (radBtnAscending.Checked)
{
feedbackManager.Sort(sortType, ListSortDirection.Ascending);
}
else
{
feedbackManager.Sort(sortType, ListSortDirection.Descending);
}
ShowFirstFeedback();
}
/// <summary>
/// Sorts the list by a specific field specify by the user this can
/// either be First Name, Last Name, or the DOB of a caller. A long
/// with the field to sort the caller must specify the direction of the
/// sort either ascending or descending.
/// </summary>
/// <param name="feedbackSortType">The field which the list is to be sorted (ordered) by</param>
/// <param name="sortDirection">The direction of the sort (ascending or descending)</param>
public void Sort(FeedbackSortType feedbackSortType, ListSortDirection sortDirection)
{
if (feedbackSortType == FeedbackSortType.FIRST_NAME)
{
if (sortDirection == ListSortDirection.Ascending)
{
feedbacks = feedbacks.OrderBy(o => o.firstName).ToList();
}
else
{
feedbacks = feedbacks.OrderByDescending(o => o.firstName).ToList();
}
}
if (feedbackSortType == FeedbackSortType.LAST_NAME)
{
if (sortDirection == ListSortDirection.Ascending)
{
feedbacks = feedbacks.OrderBy(o => o.lastName).ToList();
}
else
{
feedbacks = feedbacks.OrderByDescending(o => o.lastName).ToList();
}
}
if (feedbackSortType == FeedbackSortType.DOB)
{
if (sortDirection == ListSortDirection.Ascending)
{
feedbacks = feedbacks.OrderBy(o => o.dateOfBirth).ToList();
}
else
{
feedbacks = feedbacks.OrderByDescending(o => o.dateOfBirth).ToList();
}
}
}
