// Loads processed images from the backend API
public async Task LoadProcessedImages()
{
ActivityIndicatorContainerVisible = true;
ActivityIndicatorIsRunning = true;
// First load
string url = URL_LOAD_IMAGES;
// Loads from the given id
if (FromID > 0)
{
url += "?from_id=" + FromID;
}
// Loads the images
var httpClient = new HttpClient();
var imagesData = await httpClient.GetStringAsync(url);
// Adds the images to the list
List <ProcessedImage> processedImages = JsonConvert.DeserializeObject <List <ProcessedImage> >(imagesData);
foreach (ProcessedImage processedImage in processedImages)
{
ProcessedImages.Add(processedImage);
}
// Updates the FromID property
if (processedImages.Count > 0)
{
FromID = ProcessedImages[ProcessedImages.Count - 1].id;
if (FromID > 1)
{
RefreshIsVisible = true;
}
else
{
RefreshIsVisible = false;
}
}
else
{
FromID = 0;
RefreshIsVisible = false;
}
ActivityIndicatorIsRunning = false;
ActivityIndicatorContainerVisible = false;
}
public async Task ExecuteLoadProcessedImagesCommand()
{
IsBusy = true;
try
{
ProcessedImages.Clear();
FromID = 0;
await LoadProcessedImages();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
private void buttonImages_Click(object sender, EventArgs e)
{
using (OpenFileDialog ofd = new OpenFileDialog()
{
Multiselect = true, Filter = "Files|*.jpg;*.gif;*.png"
})
{
if (ofd.ShowDialog() is DialogResult.OK)
{
pi = new ProcessedImages();
for (int i = 0; i < ofd.FileNames.Length; i++)
{
var image = new Bitmap(ofd.FileNames[i]);
var imageName = ofd.SafeFileNames[i];
pi.Add(new ProcessedImage(image, imageName));
}
textBoxImages.Text = string.Join("; ", ofd.SafeFileNames);
}
}
}
