private void OnButtonImageTapped(Object sender, EventArgs e)
{
var paramItem = ((GroupModelCollection <Donation>)((Button)sender).CommandParameter);
var item = _viewModel.GroupedDonationList.Where
(
gdl => gdl.Title == paramItem.Title &&
gdl.ShortName == paramItem.ShortName
).FirstOrDefault();
var indexItem = _viewModel.GroupedDonationList.IndexOf(item);
_viewModel.GroupedDonationList[indexItem].Expanded = !_viewModel.GroupedDonationList[indexItem].Expanded;
var newDonationListUpdated = new ObservableCollection <GroupModelCollection <Donation> >();
foreach (var vmGroupedDonationList in _viewModel.GroupedDonationList)
{
var group = new GroupModelCollection <Donation>(vmGroupedDonationList.Title, vmGroupedDonationList.ShortName, vmGroupedDonationList.Expanded);
group.GroupCount = vmGroupedDonationList.GroupCount;
if (group.Expanded)
{
foreach (var vmDonationCollection in vmGroupedDonationList)
{
group.Add(vmDonationCollection);
}
}
newDonationListUpdated.Add(group);
}
GroupedDonationView.ItemsSource = newDonationListUpdated;
}
protected async Task ExecuteSearchCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
GroupedDonationList.Clear();
var donations = await _donationService.ListDonationsByLanguageAndNameAsync(_query);
if (donations != null && donations.Count > 0)
{
var donationsDads = donations.Where(c => c.idDonationsDad == null);
foreach (var itemDad in donationsDads)
{
if (itemDad.names.Count > 0)
{
var groupName = itemDad.names[0].name;
var newGroup = new GroupModelCollection <Donation>(groupName, groupName.Substring(0, 1))
{
};
var donationsDadSons = donations.Where(c => c.idDonationsDad == itemDad.idDonations);
newGroup.GroupCount = donationsDadSons.Count();
foreach (var itemDadSon in donationsDadSons)
{
if (itemDadSon.names.Count > 0)
{
newGroup.Add(new Donation()
{
Id = itemDadSon.idDonations, Name = itemDadSon.names[0].name, Icon = "tab_about.png", Img = itemDadSon.img
});
}
}
GroupedDonationList.Add(newGroup);
}
}
}
else
{
await Application.Current.MainPage.DisplayAlert("Query", "Donations not found", "Ok");
}
IsBusy = false;
}