/// <summary>
/// Add all Taxa in groups based on their OrderName.
/// </summary>
/// <param name="selectedTaxonListSource">The List of currently displayed Taxa to add in groups.</param>
private void AddListsToGroups(IEnumerable <Taxon> selectedTaxonListSource)
{
SelectedTaxonList.Clear();
foreach (var shownItem in selectedTaxonListSource)
{
if (SelectedTaxonList.Any(i => i.OrderName == shownItem.OrderName))
{
SelectedTaxonList.FirstOrDefault(i => i.OrderName == shownItem.OrderName).Add(shownItem);
}
else
{
SelectedTaxonList.Add(new TaxonListGroup(shownItem.OrderName, shownItem.OrderLocalName)
{
shownItem
});
}
}
foreach (var hiddenItem in HiddenTaxonList)
{
if (!SelectedTaxonList.Any(i => i.OrderName == hiddenItem.OrderName))
{
SelectedTaxonList.Add(new TaxonListGroup(hiddenItem.OrderName, hiddenItem.OrderLocalName));
}
}
SortObservableList(SelectedTaxonList);
}
/// <summary>
/// Remove Taxa without Diagnosis from underlying List-source, add lists to groups
/// </summary>
public void UpdateSelectedTaxonListSource()
{
SelectedTaxonListSource.RemoveAll(i => !i.HasDiagnosis);
PlaceholderText = $"Suchen in {SelectedTaxonListSource.Count} Arten";
OnPropertyChanged(nameof(PlaceholderText));
SelectedTaxonList.Clear();
AddListsToGroups(SelectedTaxonListSource.OrderBy(i => i.LocalName).ThenBy(i => i.TaxonName));
SelectedTaxonList.RefreshView();
OnPropertyChanged(nameof(SelectedTaxonList));
}