private async Task<IEnumerable<LocomotiveImage>> DownloadUserImagesAsync(string host, string pageUrl)
{
var result = new List<LocomotiveImage>();
try
{
string html = null;
using (var client = new HttpClient())
html = await client.GetStringAsync($"http://{host}{pageUrl}");
if (!string.IsNullOrEmpty(html))
{
var document = new HtmlDocument();
document.LoadHtml(html);
var navListParagraph = document.DocumentNode.Descendants("p").Where(i => i.GetAttributeValue("class", "").Contains("navlist")).FirstOrDefault();
if (navListParagraph != null)
{
var imgs = document.DocumentNode.Descendants("img").Where(i => i.GetAttributeValue("src", "").Contains(".bmp")).ToList();
foreach (var img in imgs)
{
var tr = img.Ancestors("tr").FirstOrDefault();
if (tr != null)
{
var tds = tr.Descendants("td").ToList();
int idx = int.Parse(tds[0].InnerText);
string name = tds[2].InnerText.Replace("\n", "");
string url = img.GetAttributeValue("src", null);
var item = new LocomotiveImage(LocomotiveImageType.User, idx, name);
await item.PopulateAsync(new Uri(string.Format(@"http://{0:s}{1:s}", host, url), UriKind.Absolute));
result.Add(item);
//var item = UserImages.FirstOrDefault(userImg => userImg.Index == idx);
//if (item != null)
//{
// item.Name = name;
// await item.PopulateAsync(new Uri(string.Format(@"http://{0:s}{1:s}", host, url), UriKind.Absolute));
//}
}
}
//var unusedIdx = new List<int>(UserImages.Where(item => item.BitmapImage == null).Select(item => item.Index));
//foreach (var idx in unusedIdx)
//{
// var item = UserImages.FirstOrDefault(i => i.Index == idx);
// if (item != null)
// UserImages.Remove(item);
//}
}
//foreach (var img in UserImages)
//{
// var loc = Items.FirstOrDefault(l => l.Image != null && l.Image.Type == LocomotiveImageType.User && l.Image.Index == img.Index);
// loc?.Image.From(img);
//}
}
}
catch { }
return result;
}
private void DownloadUserImage(string host, LocomotiveImage img)
{
if (!string.IsNullOrEmpty(img.Url))
{
WebClient webClient = new WebClient();
webClient.OpenReadCompleted += delegate(object sender, OpenReadCompletedEventArgs e)
{
if (e.Error != null)
Deployment.Current.Dispatcher.BeginInvoke(() => { MessageBox.Show(e.Error.Message, App.Name, MessageBoxButton.OK); });
else
{
int imageIdx = (int)e.UserState;
ExtendedImage eimg = new ExtendedImage();
var bd = new BmpDecoder();
//var bd = new PngDecoder();
//var bd = new JpegDecoder();
//var bd = new GifDecoder();
bd.Decode(eimg, e.Result);
//MemoryStream ms = (MemoryStream)eimg.ToStreamByExtension("bmp");
//BitmapImage bi = new BitmapImage();
//bi.SetSource(ms);
//App.EcosModel.LocomotivesManager.ItemsUser[imageIdx].BitmapImage = bi;
e.Result.Close();
}
};
webClient.OpenReadAsync(new Uri(host + img.Url, UriKind.Absolute), img.Index);
}
}
private async Task PopulateSystemImagesAsync()
{
for (int i = 0; i < 82; i++)
{
var image = new LocomotiveImage(LocomotiveImageType.Internal, i);
Images.Add(image);
await image.PopulateAsync();
}
}
