private void SaveFile(CrawlingContext file, bool saveAs)
{
FileInfo target = null;
if (file.FullPath == null || saveAs)
{
// Configure save file dialog box
SaveFileDialog dlg = new SaveFileDialog();
dlg.FileName = file.FullPath == null ? "CrawlingResult.cwl" : file.FullPath.FullName; // Default file name
dlg.DefaultExt = ".cwl"; // Default file extension
dlg.Filter = "Crawling result (.cwl)|*.cwl"; // Filter files by extension
// Process save file dialog box results
if (dlg.ShowDialog() == true)
{
target = new FileInfo(dlg.FileName);
}
else
{
return;
}
}
else
{
target = file.FullPath;
}
if (target != null)
{
file.Status = CrawlingStatus.Saving;
ThreadPool.QueueUserWorkItem(_ =>
{
try
{
XElement element = ResourcesSerializer.SerializeResourceCollection(file.Resources);
element.Save(target.FullName);
file.FullPath = target;
file.HasChanged = false;
}
catch (Exception e)
{
Dispatcher.Invoke((Action)(() => MessageBox.Show("Failed to save file " + target.Name + ": " + e.Message)));
}
finally
{
file.Status = CrawlingStatus.Ready;
RefreshActions();
}
});
}
}
private void LoadFile(FileInfo file)
{
CrawlingContext context = new CrawlingContext();
context.FullPath = new FileInfo(file.FullName);
context.HasChanged = false;
context.Status = CrawlingStatus.Loading;
AddFile(context);
ThreadPool.QueueUserWorkItem(_ =>
{
XDocument doc = XDocument.Load(file.FullName);
List <Resource> resources = ResourcesSerializer.DeserializeResourceCollection(doc.Root);
foreach (Resource resource in resources)
{
context.Resources.Add(resource);
}
context.Status = CrawlingStatus.Ready;
RefreshActions();
});
}