private IEnumerable <Tuple <Photo, Image> > update_ui(PhotoSearchResult searchResult)
{
int photosUntilNow = searchResult.Photos.Length + _lastRequestedPage * DEFAULT_PHOTOS_PER_PAGE;
_lastRequestedPage = searchResult.Page;
_totalPages = searchResult.TotalPages;
_statusText.Text = "{0} photos of a total {1}".FormatWith(photosUntilNow, _totalPages);
var photosUi = new List <Tuple <Photo, Image> >();
foreach (var photo in searchResult.Photos)
{
var image = new Image
{
Width = 110,
Height = 150,
Margin = new Thickness(5),
ToolTip = new ToolTip {
Content = photo.Title
}
};
_resultsPanel.Children.Add(image);
photosUi.Add(Tuple.Create(photo, image));
}
return(photosUi);
}
private async Task load_photo_urls_async(CancellationToken token)
{
var client = new WebClient();
var uri = new Uri(_query.FormatWith(_lastRequestedPage + 1, _currentSearchTerm));
var photoUrlsTask = client.DownloadStringTaskAsync(uri, token);
if (photoUrlsTask != await TaskEx.WhenAny(photoUrlsTask, TaskEx.Delay(20000)))
{
cancel();
}
if (token.IsCancellationRequested)
{
return;
}
var searchResult = await TaskEx.Run(() => PhotoSearchResult.TryParse(photoUrlsTask.Result));
if (searchResult.Photos.Length == 0)
{
_statusText.Text = "No results found";
return;
}
display_photos(update_ui(searchResult), token);
}
private IEnumerable<Tuple<Photo, Image>> update_ui(PhotoSearchResult searchResult)
{
int photosUntilNow = searchResult.Photos.Length + _lastRequestedPage * DEFAULT_PHOTOS_PER_PAGE;
_lastRequestedPage = searchResult.Page;
_totalPages = searchResult.TotalPages;
_statusText.Text = "{0} photos of a total {1}".FormatWith(photosUntilNow, _totalPages);
var photosUi = new List<Tuple<Photo, Image>>();
foreach (var photo in searchResult.Photos)
{
var image = new Image
{
Width = 110,
Height = 150,
Margin = new Thickness(5),
ToolTip = new ToolTip { Content = photo.Title }
};
_resultsPanel.Children.Add(image);
photosUi.Add(Tuple.Create(photo, image));
}
return photosUi;
}
