protected override bool UpdateTarget(ReceiveContext context)
{
TextSheetModel sheet = this.Target as TextSheetModel;
if (sheet == null)
{
///if we sent it, this means that by definition the sheet is public
///edit: made is_editable true so that instructors can copy and paste student code
this.Target = sheet = new TextSheetModel(((Guid)this.TargetId), this.Text, this.Disposition | SheetDisposition.Remote, true, true, this.Bounds, this.color_, this.font_);
}
using (Synchronizer.Lock(sheet.SyncRoot)) {
sheet.Text = this.Text;
sheet.Font = this.font_;
sheet.IsEditable = false;
///if we sent it, this means that by definition the sheet is public
sheet.IsPublic = true;
sheet.Color = this.color_;
}
base.UpdateTarget(context);
return(true);
}
public TextSheetNetworkService(SendingQueue sender, PresentationModel presentation, DeckModel deck, SlideModel slide, TextSheetModel sheet, SheetMessage.SheetCollection selector) : base(sender, presentation, deck, slide, sheet, selector)
{
this.sheet_ = sheet;
this.sheet_.Changed["Font"].Add(new PropertyEventHandler(this.SendText));
this.sheet_.Changed["Text"].Add(new PropertyEventHandler(this.SendText));
this.sheet_.Changed["Color"].Add(new PropertyEventHandler(this.SendText));
this.sheet_.Changed["IsPublic"].Add(new PropertyEventHandler(this.SendPublic));
}
public TextSheetMessage(TextSheetModel sheet, SheetCollection collection) : base(sheet, collection)
{
using (Synchronizer.Lock(sheet.SyncRoot)) {
this.Text = sheet.Text;
this.font_ = sheet.Font;
this.color_ = sheet.Color;
this.is_public_ = sheet.IsPublic;
}
}
public TextSheetRenderer(SlideDisplayModel display, TextSheetModel sheet) : base(display, sheet)
{
this.m_Sheet = sheet;
repaint_dispatcher_ = new EventQueue.PropertyEventDispatcher(SlideDisplay.EventQueue, this.Repaint);
/// Add event listeners
this.m_Sheet.Changed["Text"].Add(new PropertyEventHandler(this.repaint_dispatcher_.Dispatcher));
this.m_Sheet.Changed["Font"].Add(new PropertyEventHandler(this.repaint_dispatcher_.Dispatcher));
this.m_Sheet.Changed["Bounds"].Add(new PropertyEventHandler(this.repaint_dispatcher_.Dispatcher));
this.m_Sheet.Changed["Color"].Add(new PropertyEventHandler(this.repaint_dispatcher_.Dispatcher));
this.SlideDisplay.Changed["Slide"].Add(new PropertyEventHandler(this.repaint_dispatcher_.Dispatcher));
}
/// <summary>
/// Constructor for loading from a TextSheetModel
/// </summary>
/// <param name="sheet"></param>
/// <param name="viewer"></param>
public TextItBox(TextSheetModel sheet, MainSlideViewer viewer) : base(sheet, viewer)
{
///Initialize Components
InitializeComponent();
text_sheet_ = sheet;
actual_control_ = textItText1;
using (Synchronizer.Lock(text_sheet_.SyncRoot)) {
this.slide_font_ = text_sheet_.Font;
this.textItText1.ForeColor = text_sheet_.Color;
this.textItText1.LongestLineWidth = text_sheet_.LongestLineWidth;
this.textItText1.WidthAccommodate = text_sheet_.WidthAccommodate;
this.textItText1.Text = text_sheet_.Text;
}
///we got slide coordinates from the textsheet, and now need to transform the control
///appropriately
Transform();
PaintSheet(true);
save_timer.Start();
}
public TextSheetUndoService(EventQueue dispatcher, UndoModel undo, DeckModel deck, SlideModel slide, TextSheetModel sheet) : base(undo, deck, slide, sheet)
{
this.m_EventQueue = dispatcher;
this.m_SheetChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.m_EventQueue, new PropertyEventHandler(this.HandleSheetChanged));
//Ignore any sheets with the Remote flag
if ((sheet.Disposition & SheetDisposition.Remote) == 0)
{
this.Sheet.Changed["Text"].Add(this.m_SheetChangedDispatcher.Dispatcher);
this.Sheet.Changed["Font"].Add(this.m_SheetChangedDispatcher.Dispatcher);
}
}
/// <summary>
/// Send the current ink as a student submission slide
/// </summary>
/// <param name="sender">The object which sent this event, i.e. this class</param>
/// <param name="args">The parameters for the property</param>
private void HandleSendSubmission(object sender, PropertyEventArgs args)
{
if (this.m_SendingLock)
{
return;
}
using (Synchronizer.Lock(SubmissionStatusModel.GetInstance().SyncRoot)) {
SubmissionStatusModel.GetInstance().SubmissionStatus = SubmissionStatusModel.Status.NotReceived;
}
///declare variables we will be using
UW.ClassroomPresenter.Network.Messages.Message pres, deck, slide, sheet;
// Construct the message to send
using (this.m_Model.Workspace.Lock()) {
// Add the presentation
if (this.m_Model.Workspace.CurrentPresentation == null)
{
return;
}
///the presentation message we will be sending
pres = new PresentationInformationMessage(this.m_Model.Workspace.CurrentPresentation);
pres.Group = Groups.Group.Submissions;
//Add the current deck model that corresponds to this slide deck at the remote location
if ((~this.m_Model.Workspace.CurrentDeckTraversal) == null)
{
return;
}
using (Synchronizer.Lock((~this.m_Model.Workspace.CurrentDeckTraversal).SyncRoot)) {
DeckModel dModel = (~this.m_Model.Workspace.CurrentDeckTraversal).Deck;
foreach (DeckPairModel match in this.m_Model.Workspace.DeckMatches)
{
///check to see if the decks are the same
if (match.LocalDeckTraversal.Deck == (~this.m_Model.Workspace.CurrentDeckTraversal).Deck)
{
dModel = match.RemoteDeckTraversal.Deck;
}
}
///create the deck message from this matched deck
deck = new DeckInformationMessage(dModel);
///make the deck a submission type deck.
deck.Group = Groups.Group.Submissions;
///tack this message onto the end.
pres.InsertChild(deck);
///add the particular slide we're on the to message.
if ((~this.m_Model.Workspace.CurrentDeckTraversal).Current == null)
{
return;
}
using (Synchronizer.Lock((~this.m_Model.Workspace.CurrentDeckTraversal).Current.Slide.SyncRoot)) {
// Add the Slide Message
slide = new StudentSubmissionSlideInformationMessage((~this.m_Model.Workspace.CurrentDeckTraversal).Current.Slide, Guid.NewGuid(), Guid.NewGuid());
slide.Group = Groups.Group.Submissions;
deck.InsertChild(slide);
// Find the correct user ink layer to send
RealTimeInkSheetModel m_Sheet = null;
int count = 0;
foreach (SheetModel s in (~this.m_Model.Workspace.CurrentDeckTraversal).Current.Slide.AnnotationSheets)
{
if (s is RealTimeInkSheetModel && (s.Disposition & SheetDisposition.Remote) == 0)
{
m_Sheet = (RealTimeInkSheetModel)s;
count++;
}
}
// DEBUGGING
if (count > 1)
{
Debug.Assert(true, "Bad Count", "Bad");
}
// Find the existing ink on the slide
Ink extracted;
using (Synchronizer.Lock(m_Sheet.Ink.Strokes.SyncRoot)) {
// Ensure that each stroke has a Guid which will uniquely identify it on the remote side
foreach (Stroke stroke in m_Sheet.Ink.Strokes)
{
if (!stroke.ExtendedProperties.DoesPropertyExist(InkSheetMessage.StrokeIdExtendedProperty))
{
stroke.ExtendedProperties.Add(InkSheetMessage.StrokeIdExtendedProperty, Guid.NewGuid().ToString());
}
}
// Extract all of the strokes
extracted = m_Sheet.Ink.ExtractStrokes(m_Sheet.Ink.Strokes, ExtractFlags.CopyFromOriginal);
}
// Find the Realtime ink on the slide
RealTimeInkSheetModel newSheet = null;
using (Synchronizer.Lock(m_Sheet.SyncRoot)) {
newSheet = new RealTimeInkSheetModel(Guid.NewGuid(), m_Sheet.Disposition | SheetDisposition.Remote, m_Sheet.Bounds);
using (Synchronizer.Lock(newSheet.SyncRoot)) {
newSheet.CurrentDrawingAttributes = m_Sheet.CurrentDrawingAttributes;
}
}
// Add a message to *create* the student's RealTimeInkSheetModel on the instructor client (without any ink).
sheet = SheetMessage.ForSheet(newSheet, SheetMessage.SheetCollection.AnnotationSheets);
sheet.Group = Groups.Group.Submissions;
slide.InsertChild(sheet);
//Scale the ink if necessary
if (ViewerStateModel.NonStandardDpi)
{
extracted.Strokes.Transform(ViewerStateModel.DpiNormalizationSendMatrix);
}
// Add a message to copy the ink from the student's RealTimeInkSheetModel to the just-created sheet on the instructor.
sheet = new InkSheetStrokesAddedMessage(newSheet, (Guid)slide.TargetId, SheetMessage.SheetCollection.AnnotationSheets, extracted);
sheet.Group = Groups.Group.Submissions;
slide.InsertChild(sheet);
///Add each text and image sheet into the message as children of the ink sheet if it is public
foreach (SheetModel s in (~this.m_Model.Workspace.CurrentDeckTraversal).Current.Slide.AnnotationSheets)
{
if (s is TextSheetModel && !(s is StatusLabel) && (s.Disposition & SheetDisposition.Remote) == 0)
{
TextSheetModel text_sheet = (TextSheetModel)s;
text_sheet = (TextSheetModel)text_sheet.Clone();
///some ugly code here due to synchronization
bool sheet_is_public;
using (Synchronizer.Lock(text_sheet.SyncRoot)) {
sheet_is_public = text_sheet.IsPublic;
}
if (sheet_is_public)
{
TextSheetMessage t_message = new TextSheetMessage(text_sheet, SheetMessage.SheetCollection.AnnotationSheets);
t_message.Group = Groups.Group.Submissions;
slide.InsertChild(t_message);
}
}
if (s is ImageSheetModel && !(s is StatusLabel) && (s.Disposition & SheetDisposition.Remote) == 0)
{
ImageSheetModel image_sheet = (ImageSheetModel)s;
image_sheet = (ImageSheetModel)image_sheet.Clone();
ImageSheetMessage i_message = new ImageSheetMessage(image_sheet, SheetMessage.SheetCollection.AnnotationSheets);
i_message.Group = Groups.Group.Submissions;
slide.InsertChild(i_message);
}
}
//Lock the current sending.
this.LockSending();
// Send the message
this.m_Sender.Send(pres);
}
}
}
}