protected async override void OnNavigatedTo(NavigationEventArgs e)
{
_navigationHelper.OnNavigatedTo(e);
await FlickrModel.LoadItemsAsync();
DataContext = this;
}
private void OnDataRequested(DataTransferManager sender, DataRequestedEventArgs args)
{
if (FlickrModel != null)
{
FlickrModel.GetShareContent(args.Request);
}
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
_dataTransferManager = DataTransferManager.GetForCurrentView();
_dataTransferManager.DataRequested += OnDataRequested;
_navigationHelper.OnNavigatedTo(e);
if (FlickrModel != null)
{
await FlickrModel.LoadItemsAsync();
FlickrModel.SelectItem(e.Parameter);
FlickrModel.ViewType = ViewTypes.Detail;
}
DataContext = this;
// Allow this page to rotate
_currentOrientations = DisplayInformation.AutoRotationPreferences;
DisplayInformation.AutoRotationPreferences = DisplayOrientations.Portrait
| DisplayOrientations.Landscape
| DisplayOrientations.LandscapeFlipped
| DisplayOrientations.PortraitFlipped;
// Handle orientation changes
DisplayInformation.GetForCurrentView().OrientationChanged += this.OnOrientationChanged;
this.TransitionStoryboardState();
}
public FlickrViewModel()
{
_flickrModel = new FlickrModel();
IList <string> list = _flickrModel.GetSources();
_sourcesEntries = new ObservableCollection <string>(list);
_searchTags = "";
}
private FlickrModel ShowPictures(int pageIndex)
{
FlickrModel model = new FlickrModel();
XmlDocument doc = this.LoadPictures();
if (null == doc)
{
return(null);
}
List <PhotoInfo> photos = new List <PhotoInfo>();
foreach (XmlElement e in doc.DocumentElement.GetElementsByTagName("photo"))
{
PhotoInfo photo = new PhotoInfo();
photo.Id = e.GetAttribute("id");
photo.Owner = e.GetAttribute("owner");
photo.Title = e.GetAttribute("title");
photo.Secret = e.GetAttribute("secret");
photo.Server = e.GetAttribute("server");
photo.Farm = e.GetAttribute("Farm");
photos.Add(photo);
}
int picturesPerPage = Rows * Columns;
photos.RemoveRange(0, pageIndex * picturesPerPage);
if (photos.Count > picturesPerPage)
{
photos.RemoveRange(picturesPerPage, photos.Count - picturesPerPage);
model.ShowNext = true;
}
else
{
model.ShowNext = false;
}
if (pageIndex == 0)
{
model.ShowPrevious = false;
model.ShowNext = true;
}
else
{
model.ShowPrevious = true;
}
model.Index = pageIndex;
model.Photos = photos;
return(model);
}
/// <summary>
/// Load ViewModel items asynchronous
/// </summary>
public async Task LoadDataAsync(bool forceRefresh = false)
{
var loadTasks = new Task[]
{
FlickrModel.LoadItemsAsync(forceRefresh),
LinksUteisModel.LoadItemsAsync(forceRefresh),
};
await Task.WhenAll(loadTasks);
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
_dataTransferManager = DataTransferManager.GetForCurrentView();
_dataTransferManager.DataRequested += OnDataRequested;
_navigationHelper.OnNavigatedTo(e);
await FlickrModel.LoadItemsAsync();
FlickrModel.SelectItem(e.Parameter);
if (FlickrModel != null)
{
FlickrModel.ViewType = ViewTypes.Detail;
}
DataContext = this;
}
public FlickrService(IDistributedCache redisCache, IOptions <FlickrModel> flickrModel, IFlickrManager flickrManager)
{
_redisCache = redisCache;
_flickrModel = flickrModel.Value;
_flickrManager = flickrManager;
}
public FlickrManager(IOptions <FlickrModel> flickrModel)
{
_flickrModel = flickrModel.Value;
}
