public void PresenterTest_Sorting()
{
// First start the simulation through presenter.
bool isStarted = vesselPresenter.Start("test_oneofeach.vsf");
Assert.IsTrue(isStarted, "Could not start simulation.");
// Stop it immediately because we don't need the timer updates.
Cker.Simulator.Stop();
// Copy the list to perform the expected value later.
List <Vessel> vesselCopy = vesselPresenter.DisplayedVessels.ToList();
// Sort twice to see the order switch.
string attributeName = "ID";
vesselPresenter.SortVessels(attributeName);
// Sort the copy and compare
vesselCopy = vesselPresenter.CurrentSortDirection == VesselPresenter.SortDirection.Ascending ? vesselCopy.OrderBy(v => v.ID).ToList() : vesselCopy.OrderByDescending(v => v.ID).ToList();
Assert.IsTrue(Enumerable.SequenceEqual(vesselCopy, vesselPresenter.DisplayedVessels), "List not sorted correctly.");
// Again.
vesselPresenter.SortVessels(attributeName);
vesselCopy = vesselPresenter.CurrentSortDirection == VesselPresenter.SortDirection.Ascending ? vesselCopy.OrderBy(v => v.ID).ToList() : vesselCopy.OrderByDescending(v => v.ID).ToList();
Assert.IsTrue(Enumerable.SequenceEqual(vesselCopy, vesselPresenter.DisplayedVessels), "List not sorted correctly.");
}
private void OnColumnHeaderClick(object sender, RoutedEventArgs e)
{
GridViewColumnHeader headerClicked = e.OriginalSource as GridViewColumnHeader;
// Ignore clicks on the grid padding (extra spaces at the far right)
if (headerClicked == null || headerClicked.Role == GridViewColumnHeaderRole.Padding)
{
return;
}
// Retrieve name of the attritube associated to the column header just clicked.
// This corresponds to the binding; however, this is not the case when there are multibinds; we just take the header name instead.
var dataBinding = (Binding)headerClicked.Column.DisplayMemberBinding;
var currentSortAttribute = dataBinding != null ? dataBinding.Path.Path : headerClicked.Content as string;
// Apply the sorting and update.
vesselPresenter.SortVessels(currentSortAttribute);
UpdateVessels();
// Change the look of the current column header to reflect sorting
// but first reset the look of the previous header
if (currentSortHeader != null)
{
currentSortHeader.Column.HeaderTemplate = null;
}
var columnHeaderTemplate = vesselPresenter.CurrentSortDirection == VesselPresenter.SortDirection.Ascending ? sortAscendingArrowDisplay : sortDescendingArrowDisplay;
headerClicked.Column.HeaderTemplate = columnHeaderTemplate;
// Save the current sort by attribute for next time.
currentSortHeader = headerClicked;
}
