private async void OnSelected(string id)
{
IsLoading = true;
_currentItem = _items.FirstOrDefault(x => x.Id == id);
if (_currentItem != null)
{
var parameters = new NavigationParameters
{
{ Constants.PopupId, _id },
{ Constants.PopupResponseData, _currentItem },
};
await NavigationService.GoBackAsync(parameters);
}
IsLoading = false;
}
public override void OnNavigatedTo(INavigationParameters parameters)
{
base.OnNavigatedTo(parameters);
IsLoading = true;
_id = parameters.GetValue <string>(Constants.PopupId);
Title = parameters.GetValue <string>(Constants.PopupTitle);
Items = _allItems = parameters.GetValue <ObservableCollection <PikerItem> >(Constants.PopupResquestData);
Search.IsVisible = Items.Count > _maxItems;
_currentItem = parameters.GetValue <PikerItem>(Constants.PopupCurrentData);
if (_currentItem != null)
{
var item = Items.FirstOrDefault(x => x.Id == _currentItem.Id);
if (item != null)
{
item.IsSelected.Value = true;
}
}
IsEmpty = Items.Count == 0;
IsLoading = false;
}
//public new ICommand OnSearchTappedCommand => new DelegateCommand<string>(SearchTapped);
public PikerPopupViewModel(INavigationService navigationService) : base(navigationService)
{
_items = new ObservableCollection <PikerItem>();
_allItems = new ObservableCollection <PikerItem>();
_currentItem = new PikerItem();
}
