private async Task NavigateBackGraphAsync()
{
if (_graphCurrentFolder != null)
{
Toolkit.Services.OneDrive.OneDriveStorageFolder currentFolder = null;
Shell.Current.DisplayWaitRing = true;
try
{
if (!string.IsNullOrEmpty(_graphCurrentFolder.Path))
{
currentFolder = await _graphRootFolder.GetFolderAsync(_graphCurrentFolder.Path);
}
else
{
currentFolder = _graphRootFolder;
}
OneDriveItemsList.ItemsSource = await currentFolder.GetItemsAsync(20);
_graphCurrentFolder = currentFolder;
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
}
}
private async void GetFoldersAndFilesButton_Click(object sender, RoutedEventArgs e)
{
if (!await Tools.CheckInternetConnectionAsync())
{
return;
}
string txtTop = TopText.Text;
int top = 0;
if (string.IsNullOrEmpty(txtTop))
{
top = 20;
}
else
{
top = Convert.ToInt32(txtTop);
}
Shell.Current.DisplayWaitRing = true;
try
{
if (_indexProvider == 3)
{
OneDriveItemsList.ItemsSource = await _graphCurrentFolder.GetItemsAsync(top);
}
else
{
OneDriveItemsList.ItemsSource = await _currentFolder.GetItemsAsync(top);
}
}
catch (ServiceException ex)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
menuButton.Visibility = Visibility.Visible;
BackButton.Visibility = Visibility.Visible;
}
}
private async Task SigninAsync(int indexProvider, string appClientId)
{
if (!await Tools.CheckInternetConnectionAsync())
{
return;
}
Shell.Current.DisplayWaitRing = true;
bool succeeded = false;
try
{
// OnlineId
if (indexProvider == 0)
{
Services.OneDrive.OneDriveService.Instance.Initialize();
}
else if (indexProvider == 1)
{
Services.OneDrive.OneDriveService.Instance.Initialize(appClientId, AccountProviderType.Msa, OneDriveScopes.OfflineAccess | OneDriveScopes.ReadWrite);
}
else if (indexProvider == 2)
{
Services.OneDrive.OneDriveService.Instance.Initialize(appClientId, AccountProviderType.Adal);
}
else if (indexProvider == 3)
{
Services.OneDrive.OneDriveService.GraphInstance.Initialize(appClientId, DelegatedPermissionScopes.Text.Split(' '));
}
if (indexProvider == 3)
{
if (!await Services.OneDrive.OneDriveService.GraphInstance.LoginAsync())
{
throw new Exception("Unable to sign in");
}
_graphCurrentFolder = _graphRootFolder = await Services.OneDrive.OneDriveService.GraphInstance.RootFolderForMeAsync();
OneDriveItemsList.ItemsSource = await _graphRootFolder.GetItemsAsync(20);
}
else
{
if (!await Services.OneDrive.OneDriveService.Instance.LoginAsync())
{
throw new Exception("Unable to sign in");
}
_currentFolder = _rootFolder = await Services.OneDrive.OneDriveService.Instance.RootFolderAsync();
OneDriveItemsList.ItemsSource = _rootFolder.GetItemsAsync();
}
succeeded = true;
}
catch (ServiceException serviceEx)
{
await OneDriveSampleHelpers.DisplayOneDriveServiceExceptionAsync(serviceEx);
}
catch (Exception ex)
{
await OneDriveSampleHelpers.DisplayMessageAsync(ex.Message);
TrackingManager.TrackException(ex);
}
finally
{
Shell.Current.DisplayWaitRing = false;
}
if (succeeded)
{
FilesBox.Visibility = Visibility.Visible;
UserBox.Visibility = Visibility.Visible;
ClientIdBox.Visibility = Visibility.Collapsed;
ClientIdHelper.Visibility = Visibility.Collapsed;
LogOutButton.Visibility = Visibility.Visible;
ConnectButton.Visibility = Visibility.Collapsed;
menuButton.Visibility = Visibility.Visible;
BackButton.Visibility = Visibility.Visible;
}
else
{
FilesBox.Visibility = Visibility.Collapsed;
UserBox.Visibility = Visibility.Collapsed;
ClientIdBox.Visibility = Visibility.Visible;
ClientIdHelper.Visibility = Visibility.Visible;
LogOutButton.Visibility = Visibility.Collapsed;
ConnectButton.Visibility = Visibility.Visible;
menuButton.Visibility = Visibility.Collapsed;
BackButton.Visibility = Visibility.Collapsed;
}
}
