async void ChapterPageViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
var cvm = sender as ChapterViewModel;
if (cvm != null && e.PropertyName == "DataContext")
{
CurrentChapter = cvm.DataContext;
var id = CurrentChapter.ParentVolumeId;
if (CurrentSeries == null || CurrentSeries.Id != CurrentChapter.ParentSeriesId)
{
try
{
CurrentSeries = await CachedClient.GetSeriesAsync(cvm.ParentSeriesId);
}
catch (Exception exception)
{
//MessageBox.Show("Exception happend when loading current novel Series.");
Debug.WriteLine("Failed to retrive series data when loading a new chapter.");
}
}
if (CurrentSeries == null)
{
return;
}
var volume = CurrentSeries.Volumes.FirstOrDefault(vol => vol.Id == id);
if (volume != null)
{
CurrentVolume = volume;
}
else
{
throw new Exception("Current Chapter goes beyoung Current Series.");
}
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
var series = ViewModel;
if (e.NavigationMode == NavigationMode.Back)
{
return;
}
//Uri e.Uri
string serId = NavigationContext.QueryString["id"];
string volId = null;
if (NavigationContext.QueryString.ContainsKey("volume"))
{
volId = NavigationContext.QueryString["volume"];
}
string cptId = null;
if (NavigationContext.QueryString.ContainsKey("chapter"))
{
cptId = NavigationContext.QueryString["chapter"];
}
int lineNo = 1;
if (NavigationContext.QueryString.ContainsKey("line"))
{
string line = NavigationContext.QueryString["line"];
lineNo = int.Parse(line);
}
// Volume specifid view
if (String.IsNullOrWhiteSpace(serId) && !String.IsNullOrWhiteSpace(volId))
{
ViewModel.IsLoading = true;
Volume volData = null;
try
{
volData = await CachedClient.GetVolumeAsync(volId);
}
catch (Exception exception)
{
ViewModel.IsLoading = false;
MessageBox.Show(exception.Message, "Network issue", MessageBoxButton.OK);
NavigationService.GoBack();
return;
}
serId = volData.ParentSeriesId;
ViewModel.Title = volData.Title;
ViewModel.VolumeList.Clear();
ViewModel.VolumeList.Add(new VolumeViewModel {
DataContext = volData
});
ViewModel.Id = serId;
App.CurrentVolume = volData;
try
{
var serData = await CachedClient.GetSeriesAsync(serId);
for (int i = 0; i < serData.Volumes.Count; i++)
{
if (serData.Volumes[i].Id == volId)
{
CurrentVolumeNo = i;
break;
}
}
ViewModel.DataContext = serData;
if (VolumeViewList.ItemsSource.Count > 0)
{
VolumeViewList.ItemRealized += VolumeViewList_ItemRealized_ScrollToCurrentLine;
}
//App.CurrentSeries = serData;
}
catch (Exception exception)
{
MessageBox.Show("Exception happend when retriving series data" + exception.Message, "Network issue", MessageBoxButton.OK);
}
}
if (series.Id != serId && !series.IsLoading)
{
await series.LoadDataAsync(serId);
//ViewModel.IsLoading = true;
if (VolumeViewList.ItemsSource.Count > 0)
{
CurrentVolumeNo = 0;
VolumeViewList.ItemRealized += VolumeViewList_ItemRealized_ScrollToCurrentLine;
}
//await Task.WhenAll(ViewModel.VolumeList.Select(vvm => vvm.LoadDataAsync(vvm.Id)));
}
}