void _EndRequest(IAsyncResult result)
{
RequestStruct obj = (RequestStruct)result.AsyncState;
try
{
// must catch "NotFoundError" when 5xx occurs (likely is)
HttpWebResponse response = obj.Request.EndGetResponse(result) as HttpWebResponse;
DAVRequestResult requestResult = new DAVRequestResult(this, response, _relativeHost);
obj.Callback(requestResult, obj.UserObject);
}
catch (WebException we)
{
LastException = we;
obj.Callback(new DAVRequestResult(this, ServerStatus.InternalServerError), obj.UserObject);
}
}
/// <summary>
/// Tries to fetch a given path and refreshes the views.
/// </summary>
/// <param name="path"></param>
private void FetchStructure(string path)
{
_board = (Storyboard)Resources["DropFileListFadeOut"] as Storyboard;
if (_dropFileListFadeOutCompleted == null)
{
_dropFileListFadeOutCompleted = new EventHandler(delegate
{
_context.Files.Clear();
_collector.Raise(_dropFileListFadeOutCompleted);
});
_board.Completed += _dropFileListFadeOutCompleted;
}
if (_overlay == null)
{
_overlay = new ProgressOverlayPopup()
{
BackgroundColor = Colors.Transparent
};
}
_overlay.Show();
_result = null;
_board.Begin();
_collector.WaitFor(_dropFileListFadeOutCompleted);
_collector.WaitFor("FileListReceived");
_collector.Complete = () =>
{
FetchStructureCompleteHandler(_result);
Dispatcher.BeginInvoke(() =>
{
((Storyboard)Resources["DropFileListFadeIn"] as Storyboard).Begin();
_overlay.Hide();
});
};
if (_workingAccount != null)
{
var dav = new WebDAV(_workingAccount.GetUri(), _workingAccount.GetCredentials());
dav.StartRequest(DAVRequestHeader.CreateListing(path), DAVRequestBody.CreateAllPropertiesListing(), null, FetchStructureComplete);
}
}
private void FetchStructureCompleteHandler(DAVRequestResult result)
{
if (result.Status == ServerStatus.MultiStatus && !result.Request.ErrorOccured && result.Items.Count > 0)
{
//Utility.DebugXML(result.GetRawResponse());
var first_item = false;
foreach (DAVRequestResult.Item item in result.Items)
{
Dispatcher.BeginInvoke(() =>
{
// a first element usually is the root folder
// and the name is empty
if (!first_item)
{
first_item = true;
if (item.Reference == _workingAccount.WebDAVPath)
{
// cannot go up further
ToggleDirectoryUpStatus(false);
_directoryUpReference = null;
CurrentDirectoryName.Text = "";
}
else
{
ToggleDirectoryUpStatus(true);
_directoryUpReference = item.ParentReference;
CurrentDirectoryName.Text = item.LocalReference;
}
}
else
{
_context.Files.Add(new File
{
FileName = item.LocalReference,
FilePath = item.Reference,
FileSize = item.ContentLength,
FileType = item.ContentType,
FileCreated = item.CreationDate,
FileLastModified = item.LastModified,
IsDirectory = item.ResourceType == ResourceType.Collection
});
}
});
}
}
else
{
Dispatcher.BeginInvoke(() =>
{
if (result.Status == ServerStatus.Unauthorized)
{
MessageBox.Show("FetchFile_Unauthorized".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
else
{
MessageBox.Show("FetchFile_Unexpected_Result".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
});
}
}
private void FetchStructureComplete(DAVRequestResult result, object userObj)
{
_result = result;
_collector.Raise("FileListReceived");
}
void _EndRequest(IAsyncResult result)
{
RequestStruct obj = (RequestStruct)result.AsyncState;
try
{
// must catch "NotFoundError" when 5xx occurs (likely is)
HttpWebResponse response = obj.Request.EndGetResponse(result) as HttpWebResponse;
DAVRequestResult requestResult = new DAVRequestResult(this, response, _relativeHost);
obj.Callback(requestResult, obj.UserObject);
}
catch (WebException we)
{
LastException = we;
obj.Callback(new DAVRequestResult(this, ((HttpWebResponse)we.Response).StatusCode, ((HttpWebResponse)we.Response).StatusDescription), obj.UserObject);
}
}
private void FetchStructureComplete(DAVRequestResult result, object userObj)
{
if (result.Status == ServerStatus.MultiStatus && !result.Request.ErrorOccured && result.Items.Count > 0)
{
bool _firstItem = false;
// display all items linear
// we cannot wait till an item is displayed, instead for a fluid
// behaviour we should calculate fadeIn-delays.
int delayStart = 0;
int delayStep = 50; // ms
foreach (DAVRequestResult.Item item in result.Items)
{
File fileItem = new File()
{
FileName = item.LocalReference,
FilePath = item.Reference,
FileSize = item.ContentLength,
FileType = item.ContentType,
FileCreated = item.CreationDate,
FileLastModified = item.LastModified,
IsDirectory = item.ResourceType == ResourceType.Collection
};
bool display = true;
Dispatcher.BeginInvoke(() =>
{
switch (_views[_viewIndex])
{
case "detail":
if (!_firstItem)
{
_firstItem = true;
// Root
if (fileItem.IsDirectory)
{
if (item.Reference == _workingAccount.WebDAVPath)
{
// cannot go up further
display = false;
}
else
{
fileItem.IsRootItem = true;
fileItem.FilePath = fileItem.FileParentPath;
}
}
}
if (display)
{
FileDetailViewControl detailControl = new FileDetailViewControl()
{
DataContext = fileItem,
Opacity = 0,
Background = new SolidColorBrush() { Color = Colors.Transparent },
};
DetailList.Items.Add(detailControl);
detailControl.Delay(delayStart, () =>
{
detailControl.FadeIn(100);
});
delayStart += delayStep;
}
break;
case "tile":
if (!_firstItem)
{
_firstItem = true;
// Root
if (fileItem.IsDirectory)
{
if (item.Reference == _workingAccount.WebDAVPath)
{
// cannot go up further
display = false;
}
else
{
fileItem.IsRootItem = true;
fileItem.FilePath = fileItem.FileParentPath;
}
}
}
if (display)
{
FileMultiTileViewControl multiControl = new FileMultiTileViewControl(_workingAccount, fileItem, true)
{
Width = 200,
Height = 200,
Opacity = 0,
Margin = new Thickness(0, 0, 10, 10),
};
multiControl.Tap += new EventHandler<System.Windows.Input.GestureEventArgs>(TileListSelectionChanged);
// sometimes the exception "wrong parameter" is thrown - but why???
TileView.Children.Add(multiControl);
multiControl.Delay(delayStart, () =>
{
multiControl.FadeIn(100);
});
}
break;
}
});
}
Dispatcher.BeginInvoke(() =>
{
progress.IsVisible = false;
});
}
else
{
Dispatcher.BeginInvoke(() =>
{
progress.IsVisible = false;
if (result.Status == ServerStatus.Unauthorized)
{
MessageBox.Show("FetchFile_Unauthorized".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
else
{
MessageBox.Show("FetchFile_Unexpected_Result".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
});
}
}
