public TrayIcon(Connection Connection, User CurrentUser, Room CurrentRoom)
{
InitializeComponent();
this.Connection = Connection;
this.CurrentUser = CurrentUser;
this.CurrentRoom = CurrentRoom;
Connection.Disconnect += Connection_Disconnect;
MainWindowShown = false;
AdminWindowShown = false;
ToolbarIcon = new System.Windows.Forms.NotifyIcon();
ToolbarIcon.MouseClick += ToolbarIcon_Click;
ToolbarIcon.Icon = Properties.Resources.ToolbarIcon;
ToolbarIcon.Visible = true;
// Construct the context menu so that it contains relevant options for the user
Menu = new System.Windows.Forms.ContextMenu();
Menu.MenuItems.Add(new System.Windows.Forms.MenuItem("View Bookings", (s, e) => ToolbarIcon_Click(s, null)));
// Admins can customise
if (CurrentUser.Access == AccessMode.Admin)
Menu.MenuItems.Add(new System.Windows.Forms.MenuItem("Customise system", (s, e) => ShowAdminWindow()));
// Admins and teachers can exit
if (CurrentUser.Access == AccessMode.Admin || CurrentUser.Access == AccessMode.Teacher)
Menu.MenuItems.Add(new System.Windows.Forms.MenuItem("Exit", ExitClick));
ToolbarIcon.ContextMenu = Menu;
// Every 30 seconds, fire an event
Timer = new Timer(TimeSpan.FromSeconds(30).TotalMilliseconds);
Timer.Elapsed += Timer_Elapsed;
Timer.Start();
Timer_Elapsed(null, null); // Fire the timer event immediately
}
public TimetableTile(Booking Booking, TimeSlot Time, Room Room, User CurrentUser)
{
// Sets UI bindings to reference this object
DataContext = this;
this.Booking = Booking;
this.Time = Time;
this.Room = Room;
// Set the default brightness function to the default
BrightnessCurve = DefaultBrightnessCurve;
// Default to the background window colour
Brush = SystemColors.WindowBrush;
if (Booking != null) // If there's actually a booking in this slot, use its colour
Brush = new SolidColorBrush(Booking.Subject.Colour);
Background = Brush;
// Initialise the UI
InitializeComponent();
// Hook up mouse events
MouseEnter += TimetableTile_MouseEnter;
MouseLeave += TimetableTile_MouseLeave;
// If there's a booking in this slot
if (Booking != null && CurrentUser != null)
{
// If the current user is somehow involved in the booking (either
// as a student or teacher)
if (((CurrentUser is Student) && Booking.Students.Any(s => s.Id == CurrentUser.Id)) ||
((CurrentUser is Teacher) && Booking.Teacher.Id == CurrentUser.Id))
{
// Do a simple animation on the tiles to draw attention
Storyboard PulseEffect = (Storyboard)Resources["PulseEffect"];
PulseEffect.Begin(Outer);
}
}
}
public UserInformationMessage(User User, Room Room)
{
this.User = User;
this.Room = Room;
}
// Handler for when the server receives a message
private static void MessageReceived(Connection Sender, Message Msg)
{
bool Locked = true;
Monitor.Enter(Lock);
// Don't echo changes back to the server - changes made in this
// function have been sent to us by the server
ReportModelChanges = false;
if (Msg is InitialiseMessage)
{
// Initialisation of the client - load in the data
LoadSnapshot((Msg as InitialiseMessage).Snapshot, false);
// Signal that we've received the initial data
InitialisedEvent.Set();
}
else if (Msg is UserInformationMessage)
{
// Information on the User and their Room
UserInformationMessage m = (Msg as UserInformationMessage);
User User = m.User;
Room Room = m.Room;
if (User == null)
throw new ArgumentNullException("Received a null user.");
if (Room == null)
throw new ArgumentNullException("Received a null room.");
// Acquire references to the actual user/room
DataSnapshot Frame = TakeSnapshot(false);
CurrentUser = Frame.Users.SingleOrDefault(u => u.Id == User.Id);
CurrentRoom = Frame.Rooms.SingleOrDefault(r => r.Id == Room.Id);
// Signal that we've received the user data
UserEvent.Set();
}
else if (Msg is DataMessage)
{
DataMessage Data = (DataMessage)Msg;
// Get references to linked objects
using (DataRepository Repo = new DataRepository(false))
Data.Item.Expand(Repo);
// If we're not deleting it, set references to this item
if (!Data.Delete)
Data.Item.Attach();
else // Otherwise remove references
Data.Item.Detach();
// Store the type of the received data
Type t = Data.Item.GetType();
// Get the right table from the dictionary (match received type to key)
IList Table = Tables.Single(p => t == p.Key || t.IsSubclassOf(p.Key)).Value;
// Find the index of the item in the table
int Index = -1;
for (int x = 0; x < Table.Count; x++)
{
if (((DataModel)Table[x]).Id == Data.Item.Id)
{
Index = x;
break;
}
}
if (!Data.Delete)
{
if (Index < 0) // Doesn't already exist, add it
Table.Add(Data.Item);
else // Already exists, update it
((DataModel)Table[Index]).Update(Data.Item);
}
else // Delete it
Table.RemoveAt(Index);
// Release the lock
Monitor.Exit(Lock);
// Note that we've already released it
Locked = false;
// Fire the change of data handler
DataChanged(Data.Item.GetType());
}
ReportModelChanges = true; // Continue reporting changes
if (Locked) // Release the lock if we haven't already
Monitor.Exit(Lock);
}
