private void Sync_init_button_Click(object sender, RoutedEventArgs e)
{
try
{
DispatcherOperation result = this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new LoginDelegate(updateUI_logged));
result.Wait();
RootDirectory = (String)result.Result;
if (RootDirectory != null && RootDirectory != String.Empty)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.Sync_init_button.Visibility = Visibility.Hidden;
this.Home_button.Visibility = Visibility.Hidden;
this.Restore_init_button.Visibility = Visibility.Hidden;
this.progressBar_file.Visibility = Visibility.Visible;
this.progressBar_file.IsIndeterminate = true;
this.Label_log.Content = "Retrieving directory infromation . . .";
this.Label_log.Visibility = Visibility.Visible;
}));
if (!client.resumeSession())
{
connected = false;
client.TcpClient.Close();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "Your session is expired, please login again";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
}
else
{
DirectoryStatus local = new DirectoryStatus();
local.FolderPath = RootDirectory;
local.Username = client.UserId;
CurrentDirectory = String.Copy(RootDirectory);
client.fillDirectoryStatus(local, RootDirectory);
DirectoryStatus remote = new DirectoryStatus();
remote.Username = client.UserId;
remote.FolderPath = RootDirectory;
// for updating the progress bar
PbUpdater up = new PbUpdater();
up.rootDir = RootDirectory;
up.remote = remote;
up.local = local;
sync_worker.RunWorkerAsync(up);
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.progressBar_file.IsIndeterminate = false;
this.Label_log.Content = "Checking for previous sessions of the directory ...";
}));
// try to free some memory ...
local = null;
remote = null;
GC.Collect();
}
}
}
catch (UnauthorizedAccessException)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(async () =>
{
await this.ShowMessageAsync("Operation not permitted", "You don't have the rights to synchornize this folder. Please choose another folder and retry.");
this.Grid_initial.Visibility = Visibility.Collapsed;
this.progressBar_file.Visibility = Visibility.Hidden;
this.Grid_logged.Visibility = Visibility.Visible;
this.file_grid.Visibility = Visibility.Hidden;
this.dir_grid.Visibility = Visibility.Hidden;
this.fileSnap_grid.Visibility = Visibility.Hidden;
this.Back_button.Visibility = Visibility.Hidden;
this.Back_button_2.Visibility = Visibility.Collapsed;
this.Refresh_button.Visibility = Visibility.Hidden;
this.Home_button.Visibility = Visibility.Hidden;
this.Sync_init_button.Visibility = Visibility.Visible;
this.Restore_init_button.Visibility = Visibility.Visible;
this.Label_log.Visibility = Visibility.Visible;
this.Label_log.Content = "Welcome back, " + client.UserId + "! Choose one of the following options";
}));
}
catch (IOException)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(async () =>
{
await this.ShowMessageAsync("Something were wrong", "An error occurred. Please check if one file that must be synchronized is opened by another process.");
this.Grid_initial.Visibility = Visibility.Collapsed;
this.Grid_logged.Visibility = Visibility.Visible;
this.progressBar_file.Visibility = Visibility.Hidden;
this.file_grid.Visibility = Visibility.Hidden;
this.dir_grid.Visibility = Visibility.Hidden;
this.fileSnap_grid.Visibility = Visibility.Hidden;
this.Back_button.Visibility = Visibility.Hidden;
this.Back_button_2.Visibility = Visibility.Collapsed;
this.Refresh_button.Visibility = Visibility.Hidden;
this.Home_button.Visibility = Visibility.Hidden;
this.Sync_init_button.Visibility = Visibility.Visible;
this.Restore_init_button.Visibility = Visibility.Visible;
this.Label_log.Visibility = Visibility.Visible;
this.Label_log.Content = "Welcome back, " + client.UserId + "! Choose one of the following options";
}));
}
}
private void Restore_Button_Click(object sender, RoutedEventArgs e)
{
if (!client.resumeSession())
{
connected = false;
client.TcpClient.Close();
if (watcher != null)
watcher.Stop();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "Your session is expired, please login again";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
return;
}
ListItem item = ((FrameworkElement)sender).DataContext as ListItem;
String path = System.IO.Path.Combine(item.Path, item.Filename);
if (item.Directory)
{
//restore directory
watcher.Stop();
if (!Directory.Exists(path))
Directory.CreateDirectory(path);
PbUpdater up = new PbUpdater();
up.path = path;
restore_worker.RunWorkerAsync(up);
}
else
{
if (item.Deleted)
{
//restore file
watcher.Stop();
if (!Directory.Exists(item.Path))
Directory.CreateDirectory(item.Path);
PbUpdater up = new PbUpdater();
up.path = path;
up.id = item.Id;
restore_worker.RunWorkerAsync(up);
}
else
{
//for turn back on the directory
CurrentDirectory = path;
//see older versions of a file
DirectoryStatus dir = new DirectoryStatus();
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.Back_button.IsEnabled = false;
this.Refresh_button.IsEnabled = false;
}));
int n = client.getPreviousVersions(dir, CurrentDirectory);
if (n < 0)
{
connected = false;
client.TcpClient.Close();
if (watcher != null)
watcher.Stop();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "A Network Error occurred, please try later";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
}
if (n == 0)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
FileList.Clear();
this.file_grid.ItemsSource = FileList;
this.Back_button.IsEnabled = true;
this.Label_log.Content = "No previous version for the file selected";
this.Label_log.Visibility = Visibility.Visible;
}));
}
else
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new FillGrid(fill_prev_grid), dir);
}
}
}
private void rw_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
try
{
if (e.Error != null || e.Cancelled)
{
//something went wrong during restore
connected = false;
client.TcpClient.Close();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "An error on the server occurred, please try later";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
return;
}
else
{
bool result = (bool)e.Result;
if (result)
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.progressBar_file.Visibility = Visibility.Visible;
this.progressBar_file.IsIndeterminate = true;
this.Label_log.Content = "Resyncing with the server . . .";
this.Label_log.Visibility = Visibility.Visible;
}));
DirectoryStatus local = new DirectoryStatus();
local.FolderPath = RootDirectory;
local.Username = client.UserId;
CurrentDirectory = String.Copy(RootDirectory);
client.fillDirectoryStatus(local, RootDirectory);
DirectoryStatus remote = new DirectoryStatus();
remote.Username = client.UserId;
remote.FolderPath = RootDirectory;
// for updating the progress bar
PbUpdater up = new PbUpdater();
up.rootDir = RootDirectory;
up.remote = remote;
up.local = local;
sync_worker.RunWorkerAsync(up);
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.progressBar_file.IsIndeterminate = true;
this.progressBar_file.Visibility = Visibility.Visible;
this.file_grid.Visibility = Visibility.Hidden;
this.Back_button.Visibility = Visibility.Hidden;
this.Home_button.Visibility = Visibility.Hidden;
this.Refresh_button.Visibility = Visibility.Hidden;
this.Label_log.Content = "Restoring directory " + up.rootDir + "...";
this.Label_log.Visibility = Visibility.Visible;
}));
// try to free some memory ...
local = null;
remote = null;
//GC.Collect();
}
else
{
//something went wrong during restore
connected = false;
client.TcpClient.Close();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "An error on the server occurred, please try later";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
}
}
}
catch (UnauthorizedAccessException) { }
catch (IOException) { }
}
private void Download_Button_Click(object sender, RoutedEventArgs e)
{
if (!client.resumeSession())
{
connected = false;
if (watcher != null)
watcher.Stop();
client.TcpClient.Close();
String msg = "Log in to the remote server";
String title = "You were disconnected";
String bannerMsg = "Your session is expired, please login again";
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new UpdateDelegateAsync(updateUI_banner), msg, title, bannerMsg);
return;
}
ListItem item = ((FrameworkElement)sender).DataContext as ListItem;
DispatcherOperation result = this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new LoginDelegate(chooseDirectoryWhereDownload));
result.Wait();
String basedir = (String)result.Result;
if (basedir != null && basedir != String.Empty)
{
String dirName = System.IO.Path.GetFileName(item.Path);
String newRoot = System.IO.Path.Combine(basedir, dirName);
if (!Directory.Exists(newRoot))
Directory.CreateDirectory(newRoot);
else
{
dirName += "_" + DateTime.Now.ToString("dd-MM-yyyy_HH-mm-ss");
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(async () => {
await this.ShowMessageAsync("Attention!", "In the selected path already exist a directory called " +
System.IO.Path.GetFileName(item.Path) + ", so it will be renamed in " + dirName);
}));
newRoot = System.IO.Path.Combine(basedir, dirName);
}
PbUpdater up = new PbUpdater();
up.rootDir = newRoot;
up.path = item.Path;
up.creationTime = Convert.ToDateTime(item.LastModificationTime);
download_worker.RunWorkerAsync(up);
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action)(() =>
{
this.progressBar_file.IsIndeterminate = true;
this.progressBar_file.Visibility = Visibility.Visible;
this.Back_button.Visibility = Visibility.Hidden;
this.Back_button_2.Visibility = Visibility.Hidden;
this.Home_button.Visibility = Visibility.Hidden;
this.Refresh_button.Visibility = Visibility.Hidden;
this.fileSnap_grid.Visibility = Visibility.Hidden;
this.dir_grid.Visibility = Visibility.Hidden;
this.file_grid.Visibility = Visibility.Hidden;
this.Label_log.Content = "Downloading directory . . .";
this.Label_log.Visibility = Visibility.Visible;
}));
}
}