private void State_OnDownloadComplete(object sender, EventArgs e)
{
OSBLEStateEventArgs osea = e as OSBLEStateEventArgs;
if (!osea.Success)
{
// Show/hide interface components
MainProgressBar.Visibility = System.Windows.Visibility.Collapsed;
OKButton.Visibility = System.Windows.Visibility.Visible;
CancelButton.Visibility = System.Windows.Visibility.Visible;
// Display an error message
MessageBox.Show(osea.Message);
}
else
{
// If the stream is null then show the message
if (null == osea.Stream)
{
Core.App.Workspace.DrawingCanvasReference.GetWorkspace().Clear();
MessageBox.Show(osea.Message);
}
else
{
Core.App.Workspace.DrawingCanvasReference.GetWorkspace().Load(osea.Stream);
}
// Dettach listener and set the state reference to null
m_state.OnDownloadComplete -= this.State_OnDownloadCompleteCrossThread;
m_state = null;
this.DialogResult = true;
}
}
public AssignmentChooserWindow(OSBLEState state, bool showLoginMessage, bool saveMode)
{
InitializeComponent();
m_saveMode = saveMode;
if (saveMode)
{
OKButton.Content = "Save";
}
// Hide the "just-logged-in" message if need be
if (!showLoginMessage)
{
JustLoggedInMsg.Visibility = System.Windows.Visibility.Collapsed;
}
m_state = state;
if (null != m_state)
{
UpdateTree();
m_state.OnDownloadComplete -= this.State_OnDownloadCompleteCrossThread;
m_state.OnDownloadComplete += this.State_OnDownloadCompleteCrossThread;
}
}
private void ChildWindow_Closing(object sender, System.ComponentModel.CancelEventArgs e)
{
if (null != m_state)
{
// Detach listener and set the state reference to null
m_state.OnDownloadComplete -= this.State_OnDownloadCompleteCrossThread;
m_state = null;
}
}
private void CancelButton_Click(object sender, RoutedEventArgs e)
{
if (null != m_state)
{
// Detach listener and set the state reference to null
m_state.OnDownloadComplete -= this.State_OnDownloadCompleteCrossThread;
m_state = null;
}
this.DialogResult = false;
}
public OSBLEOrDiskWindow(OSBLEState state, bool isSaving = false)
{
InitializeComponent();
m_state = state;
m_saveMode = isSaving;
OSBLECurrentAssignmentButton.Visibility = System.Windows.Visibility.Collapsed;
LayoutRoot.RowDefinitions[0].Height = new GridLength(0.0);
if (isSaving)
{
Title = "Save To...";
OSBLEButton.Content = "Save to an OSBLE assignment...";
DiskButton.Content = "Save to disk...";
if (null != state.CurrentAssignment && !state.CurrentAssignment.IsCriticalReview)
{
// Build some components for nice info formatting within the button
StackPanel sp = new StackPanel();
sp.Children.Add(new TextBlock()
{
Text = "Save to current OSBLE assignment:",
FontWeight = FontWeights.Bold
});
sp.Children.Add(new TextBlock()
{
Text = state.CurrentAssignment.Name
});
sp.Children.Add(new TextBlock()
{
Text = "Course: " + state.CurrentAssignment.CourseName
});
OSBLECurrentAssignmentButton.Content = sp;
LayoutRoot.RowDefinitions[0].Height = GridLength.Auto;
OSBLECurrentAssignmentButton.Visibility = System.Windows.Visibility.Visible;
}
}
}
private void OKButton_Click(object sender, RoutedEventArgs e)
{
// Ignore this click if they left out the user name or password
if (string.IsNullOrEmpty(UserNameTextBox.Text) ||
string.IsNullOrEmpty(PasswordBox.Password))
{
return;
}
// Save the user name and password if check box is checked
if (RememberCredentialsCheckBox.IsChecked.HasValue &&
RememberCredentialsCheckBox.IsChecked.Value)
{
byte[] encUserName = Enc(UserNameTextBox.Text);
byte[] encPwd = Enc(PasswordBox.Password);
// Write the encrypted data to isolated storage
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream s = new IsolatedStorageFileStream(c_osbleLoginFileName, FileMode.OpenOrCreate, store))
{
s.Position = 0;
s.SetLength(0);
byte len = (byte)encUserName.Length;
s.WriteByte(len);
len = (byte)encPwd.Length;
s.WriteByte(len);
s.Write(encUserName, 0, encUserName.Length);
s.Write(encPwd, 0, encPwd.Length);
}
}
}
else
{
// Otherwise ensure that the file to save user name and password is deleted
using (var store = IsolatedStorageFile.GetUserStoreForApplication())
{
try
{
store.DeleteFile(c_osbleLoginFileName);
}
catch (Exception) { }
}
}
ErrorTextBlock.Visibility = System.Windows.Visibility.Collapsed;
OKButton.Visibility = System.Windows.Visibility.Collapsed;
LoadingProgressBar.Visibility = System.Windows.Visibility.Visible;
m_state = new OSBLEState(UserNameTextBox.Text, PasswordBox.Password);
m_state.OnLoginFailure += new EventHandler(OnLoginFailure);
m_state.OnError += new EventHandler(OnError);
m_state.OnRefreshComplete += new EventHandler(StateRefreshComplete);
m_state.RefreshAsync();
#region DEBUG
//WebClient wc = new WebClient();
//wc.DownloadStringCompleted += new DownloadStringCompletedEventHandler(wc_DownloadStringCompleted);
//wc.DownloadStringAsync(new Uri("https://osble.org/Services/AuthenticationService.svc"));
#endregion
}
