private bool CanActivateSelectionModeCommand()
{
if (LastPivotIndex == 0)
{
return(EverywhereResults.Any());
}
else
{
return(InCollectionResults.Any());
}
}
protected virtual void OnLastPivotIndexChanged()
{
if (LastPivotIndex == 0 && EverywhereResults.ContentState == ContentState.None)
{
EverywhereResults.Refresh();
}
else if (LastPivotIndex == 1 && InCollectionResults.ContentState == ContentState.None)
{
InCollectionResults.Refresh();
}
ActivateSelectionModeCommand.RaiseCanExecuteChanged();
}
protected override async void OnExecuteItemCommand(Audio item)
{
_appLoaderService.Show();
if (LastPivotIndex == 0)
{
await _playerService.PlayNewTracks(EverywhereResults.ToPlayerTracks(),
EverywhereResults.IndexOf(item));
}
else
{
await _playerService.PlayNewTracks(InCollectionResults.ToPlayerTracks(),
InCollectionResults.IndexOf(item));
}
_navigationService.Navigate("PlayerView", null);
_appLoaderService.Hide();
}
protected void Search()
{
_everywhereOffset = 0;
_inCollectionOffset = 0;
_currentQuery = Query;
EverywhereResults.Clear();
InCollectionResults.Clear();
if (LastPivotIndex == 0)
{
EverywhereResults.Refresh();
InCollectionResults.HasMoreItems = false;
InCollectionResults.ContentState = ContentState.None;
}
else
{
InCollectionResults.Refresh();
EverywhereResults.HasMoreItems = false;
EverywhereResults.ContentState = ContentState.None;
}
}
public override void OnNavigatingFrom(NavigatingFromEventArgs e, Dictionary <string, object> viewModelState, bool suspending)
{
if (e.NavigationMode == NavigationMode.Back && IsSelectionMode)
{
SetDefaultMode();
e.Cancel = true;
return;
}
EverywhereResults.CollectionChanged -= Results_CollectionChanged;
InCollectionResults.CollectionChanged -= Results_CollectionChanged;
if (e.NavigationMode == NavigationMode.New)
{
viewModelState[nameof(LastPivotIndex)] = LastPivotIndex;
viewModelState[nameof(Query)] = Query;
viewModelState[nameof(UserId)] = UserId;
viewModelState[nameof(_currentQuery)] = _currentQuery;
viewModelState[nameof(_everywhereOffset)] = _everywhereOffset;
viewModelState[nameof(_inCollectionOffset)] = _inCollectionOffset;
viewModelState[nameof(EverywhereResults)] = JsonConvert.SerializeObject(EverywhereResults.ToList());
viewModelState[nameof(InCollectionResults)] = JsonConvert.SerializeObject(InCollectionResults.ToList());
viewModelState[nameof(EverywhereResults) + "State"] = (int)EverywhereResults.ContentState;
viewModelState[nameof(InCollectionResults) + "State"] = (int)InCollectionResults.ContentState;
}
base.OnNavigatingFrom(e, viewModelState, suspending);
}
