private async Task QueryStructure() {
var dav = new WebDAVClient(_workingAccount.GetUri(), await App.AccountService.GetCredentials(_workingAccount));
try {
var entries = await dav.GetEntries(_workingPath, true);
if (entries.Count == 0) throw new Exception("No entries found");
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 (var item in entries) {
File fileItem = new File() {
FileName = item.FileName,
FilePath = item.FilePath.ToString(),
FileSize = item.Size,
FileType = item.MimeType,
FileCreated = item.Created,
FileLastModified = item.LastModified,
IsDirectory = item.IsDirectory
};
bool display = true;
switch (_views[_viewIndex]) {
case "detail":
if (!_firstItem) {
_firstItem = true;
// Root
if (fileItem.IsDirectory) {
if (item.FilePath.ToString() == _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.FilePath.ToString() == _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;
}
}
progress.IsVisible = false;
} catch (Exception ex) {
progress.IsVisible = false;
var webException = ex as WebException;
var webResponse = webException != null ? webException.Response as HttpWebResponse : null;
if (webException != null &&
webException.Status == WebExceptionStatus.ProtocolError &&
webResponse != null &&
webResponse.StatusCode == HttpStatusCode.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)
{
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);
}
});
}
}