public static Message RemoteForSheet(SheetModel sheet, SheetCollection collection)
{
SheetModel newModel = null;
if (sheet is ImageSheetModel)
{
newModel = sheet;
}
else if (sheet is RealTimeInkSheetModel)
{
using (Synchronizer.Lock(sheet.SyncRoot)) {
newModel = new RealTimeInkSheetModel(sheet.Id, sheet.Disposition | SheetDisposition.Remote, sheet.Bounds);
using (Synchronizer.Lock(newModel.SyncRoot))
((RealTimeInkSheetModel)newModel).CurrentDrawingAttributes = ((RealTimeInkSheetModel)sheet).CurrentDrawingAttributes;
}
}
else if (sheet is InkSheetModel)
{
newModel = sheet;
}
else if (sheet is TextSheetModel)
{
newModel = sheet;
}
else if (sheet is QuickPollSheetModel)
{
newModel = sheet;
}
else if (sheet is XPSPageSheetModel)
{
newModel = sheet;
}
return(SheetMessage.ForSheet(newModel, collection));
}
protected Guid SendStudentSubmission()
{
Guid newSlideGuid = Guid.Empty;
UW.ClassroomPresenter.Network.Messages.Message pres, deck, slide, sheet;
// Add the presentation
if (this.Presentation == null)
{
return(Guid.Empty);
}
pres = new PresentationInformationMessage(this.Presentation);
pres.Group = Groups.Group.Submissions;
//Add the current deck model that corresponds to this slide deck at the remote location
deck = new DeckInformationMessage(this.Deck);
deck.Group = Groups.Group.Submissions;
pres.InsertChild(deck);
// Add the Slide Message
newSlideGuid = Guid.NewGuid();
slide = new StudentSubmissionSlideInformationMessage(this.Slide, newSlideGuid, Guid.NewGuid());
slide.Group = Groups.Group.Submissions;
deck.InsertChild(slide);
// Find the correct user ink layer to send
RealTimeInkSheetModel m_Sheet = null;
using (Synchronizer.Lock(this.Slide.SyncRoot)) {
foreach (SheetModel s in this.Slide.AnnotationSheets)
{
if (s is RealTimeInkSheetModel && (s.Disposition & SheetDisposition.Remote) == 0)
{
m_Sheet = (RealTimeInkSheetModel)s;
break;
}
}
}
// Find the existing ink on the slide
Microsoft.Ink.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 (Microsoft.Ink.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, Microsoft.Ink.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 the Sheet Message for the existing
sheet = new InkSheetStrokesAddedMessage(newSheet, (Guid)slide.TargetId, SheetMessage.SheetCollection.AnnotationSheets, extracted);
sheet.Group = Groups.Group.Submissions;
slide.InsertChild(sheet);
// Add the Sheet Message for the real-time ink
sheet = SheetMessage.ForSheet(newSheet, SheetMessage.SheetCollection.AnnotationSheets);
sheet.Group = Groups.Group.Submissions;
slide.AddOldestPredecessor(sheet);
// Send the message
this.m_Sender.Send(pres);
return(newSlideGuid);
}
