private async void SearchTextBox_KeyDown(object sender, KeyRoutedEventArgs e)
{
if (e.Key == Windows.System.VirtualKey.Enter)
{
GalleryScrollViewer.ChangeView(null, 0, null);
await _galleryViewModel.SetSearchString(SearchTextBox.Text);
}
}
protected async void OnNavigatedTo(NavigationEventArgs e)
{
if (e.Parameter != null && e.Parameter is SplitViewPage)
{
_parent = (SplitViewPage)e.Parameter;
}
if (_isNewPageInstance)
{
_galleryViewModel = GalleryViewModel.Instance();
_activeService = _galleryViewModel.ActiveService;
SearchTextBox.Text = _galleryViewModel.GetSearchString();
GalleryViewSource.Source = _galleryViewModel.ImageCollection;
await _galleryViewModel.GetFirstImages();
}
// re sync images when we switch between services
if (_activeService != _galleryViewModel.ActiveService)
{
_activeService = _galleryViewModel.ActiveService;
GalleryScrollViewer.ChangeView(null, 0, null);
await _galleryViewModel.GetFirstImages();
}
// set title
if (_galleryViewModel.ActiveService == ImageService.Instagram)
{
TitleText.Text = "Instagram";
}
else if (_galleryViewModel.ActiveService == ImageService.Flickr)
{
TitleText.Text = "Flickr";
}
else
{
TitleText.Text = "Giphy";
}
_isNewPageInstance = false;
}
private async void RefreshButton_Click(object sender, RoutedEventArgs e)
{
GalleryScrollViewer.ChangeView(null, 0, null);
await _galleryViewModel.GetFirstImages();
}