public List <HierarchicalViewModelBase> LoadModel(HierarchicalViewModelBase parent)
{
var service = new TaxaService(User);
List <Taxon> model = null;
if (parent == null)
{
model = service.GetTopLevelTaxa();
}
else
{
model = service.GetTaxaForParent((parent as TaxonViewModel).TaxaID.Value);
}
if (model != null)
{
var temp = model.Where((taxon) => {
return(_options == LookupOptions.TaxonExcludeAvailableNames ? !taxon.AvailableName.ValueOrFalse() : true);
}).Select((m) => {
return(new TaxonViewModel(parent, m, _explorer.GenerateTaxonDisplayLabel));
});
var list = new List <HierarchicalViewModelBase>(temp);
return(list);
}
return(null);
}
private void BuildTaxaChildrenViewModel(HierarchicalViewModelBase item, int taxaID)
{
// The model node is a Taxon favorites, so we can get the 'real' taxon children for it...
item.Children.Clear();
var taxaService = new TaxaService(User);
List <Taxon> taxa = taxaService.GetTaxaForParent(taxaID);
foreach (Taxon taxon in taxa)
{
TaxonViewModel child = new TaxonViewModel(item, taxon, null);
if (child.NumChildren > 0)
{
child.LazyLoadChildren += new HierarchicalViewModelAction(viewModel_LazyLoadChildren);
child.Children.Add(new ViewModelPlaceholder("Loading..."));
}
item.Children.Add(child);
}
}