private async Task InitializeExplorePage()
{
await DispatcherUtil.Dispatch(async() =>
{
var exploreItems = new ObservableCollection <ExploreItem>();
try
{
var tsnList = new List <string> {
"174371", "173420", "161061", "159785", "500028", "180130", "552304", "552303"
};
ExploreGrid.SetBinding(ListView.ItemsSourceProperty, new Binding {
Source = exploreItems
});
foreach (var tsn in tsnList)
{
var newItem = new ExploreItem();
newItem.Loading = true;
var record = await RequestManager.RequestFullRecord(tsn);
newItem.Name = record.GetCommonName();
newItem.TSN = record.ScientificName.TSN;
// var imageModelLow = await RequestManager.RequestWikispeciesImage(record.ScientificName.CombinedName, 50);
// newItem.Image = new BitmapImage(new Uri(imageModelLow.GetThumbnail(), UriKind.Absolute));
var imageModel = await RequestManager.RequestWikispeciesImage(record.ScientificName.CombinedName, 400);
newItem.Image = new BitmapImage(new Uri(imageModel.GetThumbnail(), UriKind.Absolute));
newItem.Loading = false;
exploreItems.Add(newItem);
}
}
catch (Exception e)
{
ContentDialog errorDialog = new ContentDialog
{
Title = "Error",
Content = e.Message + " " + e.InnerException.ToString(),
CloseButtonText = "Ok",
};
ContentDialogResult result = await errorDialog.ShowAsync();
exploreItems.Clear();
Frame.Navigate(typeof(ErrorPage), null);
}
});
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
var args = (TaxonPageNavigationArgs)e.Parameter;
ProgressItem.IsActive = true;
Task.Run(async() =>
{
try
{
if (args == null)
{
await LoadRoot();
}
else
{
await LoadTSN(args.TSN);
}
}
catch
{
await DispatcherUtil.Dispatch(async() =>
{
ContentDialog errorDialog = new ContentDialog
{
Title = "Error",
Content = "The page could not be loaded",
CloseButtonText = "Ok",
};
ContentDialogResult result = await errorDialog.ShowAsync();
Frame.Navigate(typeof(ErrorPage), null);
});
}
finally
{
await DispatcherUtil.Dispatch(() =>
{
ProgressItem.IsActive = false;
});
}
});
}
private async Task LoadTSN(string tsn)
{
var hierarchy = await RequestManager.RequestFullHierarchy(tsn);
var currentTaxonHierarchy = hierarchy.HierarchyList.Where(x => x.TSN.Equals(tsn)).FirstOrDefault();
var currentTaxon = await RequestManager.RequestFullRecord(tsn);
var image = await RequestManager.RequestWikispeciesImage(currentTaxonHierarchy.TaxonName);
var imageSource = image.Query.Pages.FirstOrDefault().Value.Thumbnail?.Source;
var children = new List <HierarchyItem>();
var ascending = new List <HierarchyItem>();
children = hierarchy.HierarchyList.Where(hierarchyItem => Rank.NumRankOf(currentTaxonHierarchy.RankName) < Rank.NumRankOf(hierarchyItem.RankName)).ToList();
ascending = hierarchy.HierarchyList.Where(hierarchyItem => Rank.NumRankOf(currentTaxonHierarchy.RankName) >= Rank.NumRankOf(hierarchyItem.RankName)).ToList();
await DispatcherUtil.Dispatch(() =>
{
TheList.SetBinding(ListView.ItemsSourceProperty, new Binding {
Source = children
});
if (!children.Any())
{
DescendingGrid.Visibility = Visibility.Collapsed;
}
TaxonName.Text = currentTaxonHierarchy.TaxonName;
CommonName.Text = currentTaxon.GetCommonName();
RankName.Text = currentTaxonHierarchy.RankName;
if (string.IsNullOrWhiteSpace(currentTaxon.Author.Authorship))
{
AuthorshipLabel.Visibility = Visibility.Collapsed;
AuthorshipEntry.Visibility = Visibility.Collapsed;
}
else
{
AuthorshipLabel.Visibility = Visibility.Visible;
AuthorshipEntry.Visibility = Visibility.Visible;
AuthorName.Text = currentTaxon.Author.Authorship;
}
if (imageSource != null)
{
TaxonImage.Source = new BitmapImage(new Uri(imageSource, UriKind.Absolute));
}
var synonyms = currentTaxon.SynonymList.Synonyms
.Where(x => x != null)
.Select(x => new SynonymItem(x));
var synonymsCollection = new ObservableCollection <SynonymItem>(synonyms);
if (synonymsCollection.Count == 0)
{
SynonymsList.Visibility = Visibility.Collapsed;
SynonymsButton.Visibility = Visibility.Collapsed;
}
else
{
SynonymsList.Visibility = Visibility.Visible;
SynonymsButton.Visibility = Visibility.Visible;
SynonymsList.SetBinding(ListBox.ItemsSourceProperty, new Binding {
Source = synonymsCollection
});
}
var pathItems = ascending.OrderBy(x => Rank.Ranks.ToList().IndexOf(x.RankName)).ToList();
TaxonPath.SetBinding(ListView.ItemsSourceProperty, new Binding {
Source = pathItems
});
var expertsList = currentTaxon.ExpertList.Experts.Where(x => x != null).ToList();
Experts.SetBinding(ListView.ItemsSourceProperty, new Binding {
Source = expertsList
});
if (expertsList.Any())
{
ExpertsLabel.Visibility = Visibility.Visible;
}
var otherSourcesList = currentTaxon.OtherSourcesList.OtherSources.Where(x => x != null && !string.IsNullOrEmpty(x.SourceComment) && !string.IsNullOrEmpty(x.Source)).ToList();
OtherSources.SetBinding(ListView.ItemsSourceProperty, new Binding {
Source = otherSourcesList
});
if (otherSourcesList.Any())
{
OtherSourcesLabel.Visibility = Visibility.Visible;
OtherSources.Visibility = Visibility.Visible;
}
});
}