public TableOfContentsModel.Entry MarshalDestEntry( TableOfContentsModel.Entry entry )
{
foreach( TableOfContentsEntryMatch match in this.m_TableOfContentsEntryMatches )
if( entry.Id == match.DestEntry.Id )
return match.SourceEntry;
return null;
}
public Entry(Guid id, TableOfContentsModel toc, SlideModel slide) : base(toc)
{
this.m_Id = id;
this.m_Children = new EntryCollection(this, "Entries");
this.m_TOC = toc;
this.m_Slide = slide;
}
private void addToSlideLookup(Entry newEntry)
{
TableOfContentsModel toc = getRootTOC();
if (toc != null)
{
toc.addToSlideLookup(newEntry);
}
}
private void removeFromSlideLookup(Entry removeEntry)
{
TableOfContentsModel toc = getRootTOC();
if (toc != null)
{
toc.removeFromSlideLookup(removeEntry);
}
}
public TableOfContentsEntryMessage(TableOfContentsModel.Entry entry)
: base(entry.Id)
{
this.AddLocalRef( entry );
using(Synchronizer.Lock(entry.SyncRoot)) {
int[] path = entry.PathFromRoot;
if(path.Length < 1)
throw new ArgumentException("The entry's path is invalid; it must contain at least one index.", "path");
this.PathFromRoot = ((int[]) path.Clone());
}
}
/// <summary>
/// Constructor for this object
/// </summary>
/// <param name="id">The globally unique identifier for this deck</param>
/// <param name="disposition"></param>
/// <param name="humanName"></param>
public DeckModel(Guid id, DeckDisposition disposition, string humanName, TableOfContentsModel toc, Hashtable slides, ImageHashtable sc, Hashtable ctsl)
{
this.m_Id = id;
this.m_Disposition = disposition;
this.m_HumanName = humanName;
this.m_DeckBackgroundColor = Color.White;
this.Filename = "";
this.Group = Group.AllParticipant;
if (this.Disposition == DeckDisposition.StudentSubmission || this.Disposition == DeckDisposition.QuickPoll)
{
this.m_Dirty = true;
}
else
{
this.m_Dirty = false;
}
if (toc == null)
{
this.m_TableOfContents = new TableOfContentsModel();
}
else
{
this.m_TableOfContents = toc;
}
if (slides == null)
{
this.m_Slides = new Hashtable();
}
else
{
this.m_Slides = slides;
}
if (sc == null)
{
this.m_SlideContent = new ImageHashtable();
}
else
{
this.m_SlideContent = sc;
}
if (ctsl != null)
{
this.m_ContentToSlideLookup = ctsl;
}
}
private TableOfContentsModel getRootTOC()
{
TableOfContentsModel toc = m_Parent as TableOfContentsModel;
if (m_Parent == null)
{
Entry entry = m_Parent as Entry;
if (entry != null)
{
toc = entry.TableOfContents;
}
else
{
Debug.Fail("Unexpected TOC Entry parent type");
}
}
return(toc);
}
/// <summary>
/// If the entry's <see cref="Entry.PathFromRoot"><c>PathFromRoot</c></see> differs from that of
/// the <see cref="EntryInformation"/> record, this method removes and re-adds the entry into
/// the correct location in its <see cref="TableOfContentsModel"/>.
/// </summary>
/// <remarks>
/// This method is invoked by <see cref="UpdateEntry"/>, but <em>not</em> by <see cref="CreateEntry"/>.
/// The reasoning is that <see cref="CreateEntry"/> does nothing other than instantiating the
/// <see cref="TableOfContentsModel.Entry"/> object, allowing for other processing between
/// the time that the entry is instantiated and when it is inserted into the <see cref="TableOfContentsModel"/>.
/// </remarks>
/// <param name="entry">The entry to update.</param>
public void UpdatePathFromRoot(TableOfContentsModel.Entry entry)
{
using(Synchronizer.Lock(entry.SyncRoot)) {
int[] old = entry.PathFromRoot;
int[] path = this.PathFromRoot;
bool changed = (old.Length != path.Length);
for(int i = 0; !changed && i < path.Length; i++)
changed = (old[i] != path[i]);
if(changed) {
// Remove the entry from its current parent, if any.
if(entry.Parent == null) {
if(entry.TableOfContents.Entries.Contains(entry)) {
entry.TableOfContents.Entries.Remove(entry);
}
} else {
entry.Parent.Children.Remove(entry);
}
// Insert the entry as a child of its new parent,
// whether that be as a root entry of the TableOfContents
// or as a child of some other entry.
Debug.Assert(path.Length >= 1);
if(path.Length == 1) {
int index = Math.Min(entry.TableOfContents.Entries.Count, Math.Max(0, path[0]));
//Natalie
// entry.TableOfContents.Entries.Insert(index, entry);
//entry.index = path[0];
entry.TableOfContents.Entries.BroadcastInsert(path[0], entry);
} else {
int[] parentPath = new int[path.Length - 1];
Array.Copy(path, 0, parentPath, 0, parentPath.Length);
TableOfContentsModel.Entry parent = entry.TableOfContents[parentPath];
// FIXME: Handle the case when no parent at the specified index exists.
int index = Math.Min(parent.Children.Count, Math.Max(0, path[path.Length - 1]));
//Natalie - what is this?
parent.Children.Insert(index, entry);
}
}
}
}
public FilmStripSlideViewer(MultiColumnFilmStrip parent, PresenterModel model, DeckTraversalModel traversal, DeckTraversalModel previewTraversal, TableOfContentsModel.Entry entry)
{
this.m_Model = model;
this.m_Parent = parent;
this.m_DeckTraversal = traversal;
this.m_Entry = entry;
this.m_PreviewDeckTraversal = previewTraversal;
this.BorderStyle = BorderStyle.FixedSingle;
this.m_CurrentEntryChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.SlideDisplay.EventQueue, new PropertyEventHandler(this.HandleCurrentEntryChanged));
this.m_EntriesChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.SlideDisplay.EventQueue, new PropertyEventHandler(this.HandleEntriesChanged));
this.m_DeckBackgroundColorChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.SlideDisplay.EventQueue, new PropertyEventHandler(this.HandleDeckBackgroundColorChanged));
this.m_DeckBackgroundTemplateChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.SlideDisplay.EventQueue, new PropertyEventHandler(this.HandleDeckBackgroundTemplateChanged));
this.m_DeckTraversal.Changed["Current"].Add(this.m_CurrentEntryChangedDispatcher.Dispatcher);
this.m_Entry.TableOfContents.Changed["Entries"].Add(this.m_EntriesChangedDispatcher.Dispatcher);
using (Synchronizer.Lock(this.m_DeckTraversal.Deck.SyncRoot)) {
this.m_DeckTraversal.Deck.Changed["DeckBackgroundColor"].Add(this.m_DeckBackgroundColorChangedDispatcher.Dispatcher);
this.m_DeckTraversal.Deck.Changed["DeckBackgroundTemplate"].Add(this.m_DeckBackgroundTemplateChangedDispatcher.Dispatcher);
this.DefaultDeckBGColor = this.m_DeckTraversal.Deck.DeckBackgroundColor;
this.DefaultDeckBGTemplate = this.m_DeckTraversal.Deck.DeckBackgroundTemplate;
}
this.m_EntriesChangedDispatcher.Dispatcher(this.m_Entry, null);
this.m_CurrentEntryChangedDispatcher.Dispatcher(this.m_DeckTraversal, null);
this.m_CurrentDeckTraversalChangedDispatcher =
this.m_Model.Workspace.CurrentDeckTraversal.ListenAndInitialize(this.SlideDisplay.EventQueue,
delegate(Property<DeckTraversalModel>.EventArgs args) {
bool old = this.m_IsCurrentDeckTraversal;
using (this.m_Model.Workspace.Lock()) {
this.m_IsCurrentDeckTraversal = (~this.m_Model.Workspace.CurrentDeckTraversal == this.m_DeckTraversal);
}
if (old != this.m_IsCurrentDeckTraversal) {
// Invalidate the display to draw the new selection border.
this.UpdateSelection();
}
});
}
/// <summary>
/// Constructor for this object
/// </summary>
/// <param name="id">The globally unique identifier for this deck</param>
/// <param name="disposition"></param>
/// <param name="humanName"></param>
public DeckModel(Guid id, DeckDisposition disposition, string humanName, TableOfContentsModel toc, Hashtable slides, ImageHashtable sc, Hashtable ctsl)
{
this.m_Id = id;
this.m_Disposition = disposition;
this.m_HumanName = humanName;
this.m_DeckBackgroundColor = Color.White;
this.Filename = "";
this.Group = Group.AllParticipant;
if (this.Disposition == DeckDisposition.StudentSubmission || this.Disposition == DeckDisposition.QuickPoll) {
this.m_Dirty = true;
}
else {
this.m_Dirty = false;
}
if (toc == null) {
this.m_TableOfContents = new TableOfContentsModel();
}
else {
this.m_TableOfContents = toc;
}
if (slides == null) {
this.m_Slides = new Hashtable();
}
else {
this.m_Slides = slides;
}
if (sc == null) {
this.m_SlideContent = new ImageHashtable();
}
else {
this.m_SlideContent = sc;
}
if (ctsl != null) {
this.m_ContentToSlideLookup = ctsl;
}
}
private static bool TestEntry(TableOfContentsModel.Entry entry)
{
return entry.Slide != null;
}
public Entry(Guid id, TableOfContentsModel toc, SlideModel slide) : base(toc) {
this.m_Id = id;
this.m_Children = new EntryCollection(this, "Entries");
this.m_TOC = toc;
this.m_Slide = slide;
}
protected void SetNext(TableOfContentsModel.Entry value)
{
this.SetPublishedProperty("Next", ref this.m_Next, value);
}
protected void SetPrevious(TableOfContentsModel.Entry value)
{
this.SetPublishedProperty("Previous", ref this.m_Previous, value);
}
/// <summary>
/// Finds the next entry, in pre-order relative to the specified entry, which is accepted by the entry filter.
/// </summary>
/// <remarks>
/// The caller is required to hold a reader lock on the entry's <see cref="TableOfContentsModel"/>.
/// </remarks>
public TableOfContentsModel.Entry FindNext(TableOfContentsModel.Entry entry)
{
if (entry == null)
return null;
using (Synchronizer.Lock(entry.SyncRoot)) {
// Pre-order traversal: we've already visited the "current" entry, so visit it's children next.
if (entry.Children.Count > 0) {
TableOfContentsModel.Entry child = entry.Children[0];
if (this.m_Filter(child)) {
return child;
} else {
return this.FindNext(child);
}
}
// If there are no children, look for a next sibling, parent's sibling, etc.
else {
TableOfContentsModel.Entry parent = entry.Parent;
TableOfContentsModel.EntryCollection siblings = (parent == null)
? entry.TableOfContents.Entries
: parent.Children;
while (siblings != null) {
int index = siblings.IndexOf(entry);
// Use the entry's sibling within the parent, if possible.
if (index >= 0 && index < siblings.Count - 1) {
TableOfContentsModel.Entry sibling = siblings[index + 1];
if (this.m_Filter(sibling)) {
return sibling;
} else {
return this.FindNext(sibling);
}
}
// If there is no sibling in the parent, go up another level.
// Do not consider parent nodes in the pre-order traversal.
else {
entry = parent;
parent = (entry == null) ? null : entry.Parent;
siblings = (parent == null) ? null : parent.Children;
}
}
// If we get here, then we've run out of parents and there is no next entry!
return null;
}
}
}
/// <summary>
/// Finds the next entry, relative to the specified entry, which is accepted by the entry filter.
/// </summary>
/// <remarks>
/// The caller is required to hold a reader lock on the entry's <see cref="TableOfContentsModel"/>.
/// </remarks>
public TableOfContentsModel.Entry FindPrevious(TableOfContentsModel.Entry entry)
{
if (entry == null)
return null;
// Pre-order traversal: we start with the last descendent of the entry's previous sibling.
using (Synchronizer.Lock(entry.SyncRoot)) {
TableOfContentsModel.Entry parent = entry.Parent;
TableOfContentsModel.EntryCollection siblings = (parent == null)
? entry.TableOfContents.Entries
: parent.Children;
int index = siblings.IndexOf(entry);
// If there exists a previous sibling, we're in good shape.
// (This also handles the case when the given entry is not a child of its parent,
// which can happen when entries are received over the network in a strange order.)
if (index > 0) {
entry = siblings[index - 1];
// Find the *last* descendent of the sibling by going down as far as possible.
siblings = entry.Children;
while (siblings.Count > 0) {
entry = siblings[siblings.Count - 1];
siblings = entry.Children;
}
// Now, we've either got the original sibling or the last descendent of it.
// Use this as the previous entry, or start here if it's not accepted by the filter.
if (this.m_Filter(entry)) {
return entry;
} else {
return this.FindPrevious(entry);
}
}
// If there's no previous sibling and no parent, we're screwed.
else if (parent == null) {
return null;
}
// Otherwise, if there's no previous sibling, use the parent.
else {
if (this.m_Filter(parent)) {
return parent;
} else {
return this.FindPrevious(parent);
}
}
}
}
/// <summary>
/// Construct the matching between two entries
/// </summary>
/// <param name="srcEntry">The source entry</param>
/// <param name="dstEntry">The destination entry</param>
public TableOfContentsEntryMatch( TableOfContentsModel.Entry srcEntry, TableOfContentsModel.Entry dstEntry )
{
this.m_SourceEntry = srcEntry;
this.m_DestEntry = dstEntry;
}
private void SendEntryAdded(TableOfContentsModel.Entry entry, Group receivers)
{
Message message, deck, slide;
message = new PresentationInformationMessage(this.m_Service.m_Presentation);
message.Group = receivers;
message.InsertChild(deck = new DeckInformationMessage(this.m_Service.m_Deck));
deck.InsertChild(slide = new SlideInformationMessage(entry.Slide));
slide.InsertChild(new TableOfContentsEntryMessage(entry));
this.m_Service.m_Sender.Send(message);
}
// NOTE: Eventually this code should be converted to use SlideRenderer instead of each SheetRenderer. There were some issues with doing
// this initially so for the time being we will keep it like this.
public static Bitmap DrawSlide(TableOfContentsModel.Entry currentEntry, BackgroundTemplate template, System.Drawing.Color background, SheetDisposition dispositions, int width, int height, float scale )
{
// Save the old state
System.Drawing.Drawing2D.GraphicsState oldState;
using (Synchronizer.Lock(currentEntry.Slide.SyncRoot)) {
Rectangle rect;
int boundsWidth = currentEntry.Slide.Bounds.Width;
int boundsHeight = currentEntry.Slide.Bounds.Height;
int exportWidth = width;
int exportHeight = height;
if (width > 0 && height > 0) {
// Do Nothing
}
else if (width > 0) {
exportHeight = (int)Math.Round( ( (float)width / (float)boundsWidth ) * (float)boundsHeight );
}
else if (height > 0) {
exportWidth = (int)Math.Round( ( (float)height / (float)boundsHeight ) * (float)boundsWidth );
}
else {
exportWidth = boundsWidth;
exportHeight = boundsHeight;
}
// Scale the size
exportWidth = (int)Math.Round( exportWidth * scale );
exportHeight = (int)Math.Round( exportHeight * scale );
rect = new Rectangle(0, 0, exportWidth, exportHeight);
//Note: Uses DibGraphicsBuffer from TPC SDK to do antialiasing
//See: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dntablet/html/tbconprintingink.asp
/// create the bitmap we're exporting to
Bitmap toExport = new Bitmap(rect.Width, rect.Height);
/// create what we will be drawing on to the export
Graphics toSave = Graphics.FromImage(toExport);
/// draw the slide data on a temporary graphics object in a temporary form
System.Windows.Forms.Form tempForm = new System.Windows.Forms.Form();
Graphics screenGraphics = tempForm.CreateGraphics();
DibGraphicsBuffer dib = new DibGraphicsBuffer();
Graphics tempGraphics = dib.RequestBuffer(screenGraphics, rect.Width, rect.Height);
//Add the background color
//First see if there is a Slide BG, if not, try the Deck. Otherwise, use transparent.
tempGraphics.Clear(background);
//Add the background template
if (template != null)
{
using (BackgroundTemplateRenderer bkgRender = new BackgroundTemplateRenderer(template))
{
bkgRender.DrawAll(tempGraphics, rect);
}
}
//Get the Slide content and draw it
oldState = tempGraphics.Save();
Model.Presentation.SlideModel.SheetCollection sheets = currentEntry.Slide.ContentSheets;
for (int i = 0; i < sheets.Count; i++)
{
Model.Viewer.SlideDisplayModel display = new Model.Viewer.SlideDisplayModel(tempGraphics, null);
Rectangle slide = rect;
float zoom = 1f;
if (currentEntry.Slide != null)
{
slide = currentEntry.Slide.Bounds;
zoom = currentEntry.Slide.Zoom;
}
System.Drawing.Drawing2D.Matrix pixel, ink;
display.FitSlideToBounds(System.Windows.Forms.DockStyle.Fill, rect, zoom, ref slide, out pixel, out ink);
using (Synchronizer.Lock(display.SyncRoot))
{
display.SheetDisposition = dispositions;
display.Bounds = slide;
display.PixelTransform = pixel;
display.InkTransform = ink;
}
Viewer.Slides.SheetRenderer r = Viewer.Slides.SheetRenderer.ForStaticSheet(display, sheets[i]);
if ((r.Sheet.Disposition & dispositions) != 0)
r.Paint(new System.Windows.Forms.PaintEventArgs(tempGraphics, rect));
r.Dispose();
}
//Restore the Old State
tempGraphics.Restore(oldState);
oldState = tempGraphics.Save();
//Get the Annotation content and draw it
sheets = currentEntry.Slide.AnnotationSheets;
for (int i = 0; i < sheets.Count; i++)
{
Model.Viewer.SlideDisplayModel display = new Model.Viewer.SlideDisplayModel(tempGraphics, null);
Rectangle slide = rect;
float zoom = 1f;
if (currentEntry.Slide != null)
{
slide = currentEntry.Slide.Bounds;
zoom = currentEntry.Slide.Zoom;
}
System.Drawing.Drawing2D.Matrix pixel, ink;
display.FitSlideToBounds(System.Windows.Forms.DockStyle.Fill, rect, zoom, ref slide, out pixel, out ink);
using (Synchronizer.Lock(display.SyncRoot))
{
display.SheetDisposition = dispositions;
display.Bounds = slide;
display.PixelTransform = pixel;
display.InkTransform = ink;
}
Viewer.Slides.SheetRenderer r = Viewer.Slides.SheetRenderer.ForStaticSheet(display, sheets[i]);
if ((r.Sheet.Disposition & dispositions) != 0)
r.Paint(new System.Windows.Forms.PaintEventArgs(tempGraphics, rect));
r.Dispose();
}
//Restore the Old State
tempGraphics.Restore(oldState);
//Export the image
//Merge the graphics
dib.PaintBuffer(toSave, 0, 0);
//Dispose all the graphics
toSave.Dispose();
screenGraphics.Dispose();
tempGraphics.Dispose();
return toExport;
}
}
// NOTE: Eventually this code should be converted to use SlideRenderer instead of each SheetRenderer. There were some issues with doing
// this initially so for the time being we will keep it like this.
public static Bitmap DrawSlide(TableOfContentsModel.Entry currentEntry, BackgroundTemplate template, System.Drawing.Color background, SheetDisposition dispositions)
{
return PPTDeckIO.DrawSlide(currentEntry, template, background, dispositions, 0, 0, 1.0f);
}
public TableOfContentsEntryRemovedMessage(TableOfContentsModel.Entry entry)
: base(entry.Id)
{
}
public SlideMenuItem(TableOfContentsModel.Entry entry, DeckTraversalModel traversal, int slideCount)
{
this.Entry = entry;
this.Traversal = traversal;
using (Synchronizer.Lock(this.Entry.Slide.SyncRoot)) {
//Set a 50 char limit on the title
string toDisplay = this.Entry.Slide.Title;
if (toDisplay.Length > 50) {
toDisplay = toDisplay.Substring(0, 50) + "...";
}
this.Text = "" + slideCount + ". " + toDisplay;
}
using (Synchronizer.Lock(this.Traversal)) {
this.Traversal.Changed["Current"].Add(new Model.PropertyEventHandler(this.OnUpdate));
}
this.OnUpdate(this, null);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="i">The index of this entry</param>
/// <param name="e">The entry this control represents</param>
/// <param name="deckColor">The background color for the deck
/// containing this entry</param>
/// <param name="location">The location for this control</param>
/// <param name="size">The size of this control</param>
public SSOrganizerEntry(int i, TableOfContentsModel.Entry e,
Color deckColor, PointF location, SizeF size)
{
this.entry = e;
this.location = location;
this.size = size;
this.SuspendLayout();
// Create the background image
this.cachedImage = this.CacheSlideImage(deckColor);
this.BackgroundImage = this.cachedImage;
this.BackgroundImageLayout = ImageLayout.Stretch;
this.BackColor = Color.White;
this.BorderStyle = BorderStyle.FixedSingle;
this.ClientSize = new Size(200, 150);
this.Location = new Point(i * this.Size.Width, 0);
this.Anchor = AnchorStyles.Left | AnchorStyles.Top;
this.ResumeLayout();
}
public PublicSlideMenuItem(DeckModel deck, TableOfContentsModel.EntryCollection bucket, DeckTraversalModel traversal, PresenterModel model)
: base(Strings.CopyToPublic)
{
this.m_Deck = deck;
this.m_WhereTheEntriesGo = bucket;
this.traversal_ = traversal;
this.m_Model = model;
if ((deck.Disposition & DeckDisposition.StudentSubmission) == 0) // Only enable for student submissions
this.Enabled = false;
}
public InsertSlideMenuItem(DeckModel deck, TableOfContentsModel.EntryCollection bucket, DeckTraversalModel traversal, PresenterModel model)
: base(Strings.NewSlide)
{
this.m_Deck = deck;
this.m_WhereTheEntriesGo = bucket;
this.traversal_ = traversal;
this.m_Model = model;
// TODO: Disable this menu item if the deck is immutable (requires defining what sorts of decks are mutable or not).
}
