protected async override void OnAppearing()
{
base.OnAppearing();
hIVCares = await App.Database.GetHIVCares();
List <string> parents = new List <string>();
foreach (var hivCare in hIVCares)
{
string parent_name = hivCare.parent;
if (!parents.Contains(parent_name))
{
parents.Add(parent_name);
}
}
hivParents = new ObservableCollection <Data.HIVCareGroup>();
foreach (string parent in parents)
{
List <Models.HIVCare> parentHIVCares = new List <Models.HIVCare>();
Data.HIVCareGroup hivgroup = new Data.HIVCareGroup(parent);
foreach (var hivCare in hIVCares)
{
if (parent == hivCare.parent)
{
parentHIVCares.Add(hivCare);
hivgroup.Add(hivCare);
}
}
hivParents.Add(hivgroup);
}
updateListContent();
}
private void updateListContent()
{
_expandedGroups = new ObservableCollection <Data.HIVCareGroup>();
foreach (Data.HIVCareGroup group in hivParents)
{
Data.HIVCareGroup newGroup = new Data.HIVCareGroup(group.Parent, group.Expanded);
newGroup.ItemCount = group.Count;
if (group.Expanded)
{
foreach (Models.HIVCare care in group)
{
newGroup.Add(care);
}
}
_expandedGroups.Add(newGroup);
}
HIVCareList.ItemsSource = _expandedGroups;
}