/// <summary>
/// Constructs a listener for changes to the deck traversal
/// </summary>
/// <param name="sender">The event queue for handling updates</param>
/// <param name="presentation">The presentation</param>
/// <param name="traversal">The deck traversal we care about </param>
public DeckTraversalWebService(SendingQueue sender, PresentationModel presentation, DeckTraversalModel traversal)
{
this.m_Sender = sender;
this.m_Presentation = presentation;
this.m_DeckTraversal = traversal;
// Create the deck object
string deckName = "Untitled Deck";
using (Synchronizer.Lock(this.m_DeckTraversal.SyncRoot))
{
using (Synchronizer.Lock(this.m_DeckTraversal.Deck))
{
deckName = this.m_DeckTraversal.Deck.HumanName;
}
}
SimpleWebDeck deck = new SimpleWebDeck();
deck.Name = deckName;
lock (WebService.Instance.GlobalModel) {
WebService.Instance.GlobalModel.Decks.Add(deck);
}
WebService.Instance.UpdateModel();
this.m_DeckWebService = new DeckWebService(this.m_Sender, this.m_Presentation, this.m_DeckTraversal.Deck);
this.m_CurrentChangedDispatcher = new EventQueue.PropertyEventDispatcher(this.m_Sender, new PropertyEventHandler(this.HandleCurrentChanged));
this.m_DeckTraversal.Changed["Current"].Add(this.m_CurrentChangedDispatcher.Dispatcher);
}
/// <summary>
/// Build the values for a single model deck.
/// </summary>
/// <param name="first">The first deck.</param>
/// <param name="second">The second deck.</param>
/// <returns>The data structure for the deck difference.</returns>
protected List <KeyValuePair <string, object> > BuildDeckData(SimpleWebDeck first, SimpleWebDeck second)
{
List <KeyValuePair <string, object> > deck = new List <KeyValuePair <string, object> >();
// Optionally, add the deck name.
if (first == null || first.Name != second.Name)
{
deck.Add(new KeyValuePair <string, object>(DeckName, second.Name));
}
// Optionally, add the deck slides.
List <object> slides = BuildSlidesData(first, second);
if (slides != null)
{
deck.Add(new KeyValuePair <string, object>(DeckSlides, slides));
}
// Return the result only if we added/updated data.
if (deck.Count > 0)
{
return(deck);
}
else
{
return(null);
}
}
/// <summary>
/// Clone this model.
/// </summary>
/// <returns>The cloned model.</returns>
public object Clone()
{
SimpleWebDeck deck = new SimpleWebDeck();
foreach (SimpleWebSlide slide in this.Slides) {
deck.Slides.Add(slide.Clone());
}
deck.Name = (string)this.Name.Clone();
return deck;
}
/// <summary>
/// Clone this model.
/// </summary>
/// <returns>The cloned model.</returns>
public object Clone()
{
SimpleWebDeck deck = new SimpleWebDeck();
foreach (SimpleWebSlide slide in this.Slides)
{
deck.Slides.Add(slide.Clone());
}
deck.Name = (string)this.Name.Clone();
return(deck);
}
/// <summary>
/// Build the values for the model slides.
/// </summary>
/// <param name="first">The first deck.</param>
/// <param name="second">The second deck.</param>
/// <returns>The data structure for the slides array.</returns>
protected List <object> BuildSlidesData(SimpleWebDeck first, SimpleWebDeck second)
{
bool nonNull = false;
List <object> slides = new List <object>();
// We need an entry for every slide in the second model.
for (int i = 0; i < second.Slides.Count; i++)
{
// Optionally, get the first slide if this slide existed in the first model.
SimpleWebSlide firstSlide = null;
if (first != null && i < first.Slides.Count)
{
firstSlide = (SimpleWebSlide)first.Slides[i];
}
// Get the difference between the two slides, if the slides are the same add null.
List <KeyValuePair <string, object> > slideData = BuildSlideData(firstSlide, (SimpleWebSlide)second.Slides[i], i, second.Name);
if (slideData != null)
{
slides.Add(slideData);
nonNull = true;
}
else
{
slides.Add(null);
}
}
// Return the result only if some slide was updated.
if (nonNull == true && slides.Count > 0)
{
return(slides);
}
else
{
return(null);
}
}
/// <summary>
/// Build the values for the model decks.
/// </summary>
/// <param name="first">The first model.</param>
/// <param name="second">The second model.</param>
/// <returns>The data structure for the decks array.</returns>
protected List <object> BuildDecksData(SimpleWebModel first, SimpleWebModel second)
{
bool nonNull = false;
List <object> decks = new List <object>();
// We need an entry for every deck in the second model.
for (int i = 0; i < second.Decks.Count; i++)
{
// Optionally, get the first deck if this deck existed in the first model.
SimpleWebDeck firstDeck = null;
if (first != null && i < first.Decks.Count)
{
firstDeck = (SimpleWebDeck)first.Decks[i];
}
// Get the difference between the two decks, if the decks are the same add null.
List <KeyValuePair <string, object> > deckData = BuildDeckData(firstDeck, (SimpleWebDeck)second.Decks[i]);
if (deckData != null)
{
decks.Add(deckData);
nonNull = true;
}
else
{
decks.Add(null);
}
}
// Return the result only if some deck was updated.
if (nonNull == true && decks.Count > 0)
{
return(decks);
}
else
{
return(null);
}
}
/// <summary>
/// Build the values for the model slides.
/// </summary>
/// <param name="first">The first deck.</param>
/// <param name="second">The second deck.</param>
/// <returns>The data structure for the slides array.</returns>
protected List<object> BuildSlidesData(SimpleWebDeck first, SimpleWebDeck second)
{
bool nonNull = false;
List<object> slides = new List<object>();
// We need an entry for every slide in the second model.
for (int i = 0; i < second.Slides.Count; i++) {
// Optionally, get the first slide if this slide existed in the first model.
SimpleWebSlide firstSlide = null;
if (first != null && i < first.Slides.Count) {
firstSlide = (SimpleWebSlide)first.Slides[i];
}
// Get the difference between the two slides, if the slides are the same add null.
List<KeyValuePair<string, object>> slideData = BuildSlideData(firstSlide, (SimpleWebSlide)second.Slides[i], i, second.Name);
if (slideData != null) {
slides.Add(slideData);
nonNull = true;
} else {
slides.Add(null);
}
}
// Return the result only if some slide was updated.
if (nonNull == true && slides.Count > 0)
return slides;
else
return null;
}
/// <summary>
/// Build the values for a single model deck.
/// </summary>
/// <param name="first">The first deck.</param>
/// <param name="second">The second deck.</param>
/// <returns>The data structure for the deck difference.</returns>
protected List<KeyValuePair<string, object>> BuildDeckData(SimpleWebDeck first, SimpleWebDeck second)
{
List<KeyValuePair<string, object>> deck = new List<KeyValuePair<string, object>>();
// Optionally, add the deck name.
if (first == null || first.Name != second.Name) {
deck.Add(new KeyValuePair<string, object>(DeckName, second.Name));
}
// Optionally, add the deck slides.
List<object> slides = BuildSlidesData(first, second);
if (slides != null) {
deck.Add(new KeyValuePair<string, object>(DeckSlides, slides));
}
// Return the result only if we added/updated data.
if (deck.Count > 0)
return deck;
else
return null;
}
protected SimpleWebSlide GetExistingWebSlide( SimpleWebDeck d, Guid id)
{
foreach( SimpleWebSlide s in d.Slides ) {
if (s.Id == id)
return s;
}
return null;
}
protected static string BuildDeckString(string prefix, int index, SimpleWebDeck deck)
{
string newPrefix = prefix + "_" + index;
string result = "";
result += "\t\t<div id=\"" + newPrefix + "\">\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Index\">" + index + "</div>\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Name\">" + deck.Name + "</div>\n";
result += "\t\t\t<div id=\"" + newPrefix + "_Slides\">\n";
for (int i = 0; i < deck.Slides.Count; i++)
{
result += BuildSlideString(newPrefix, deck.Name, i, (SimpleWebSlide)deck.Slides[i]);
}
result += "\t\t\t</div>\n";
result += "\t\t</div>\n";
return result;
}
