private static void UpdateSegmentHandler(Document doc)
#endif
{
//This method may be fired through docChanged event or through settings change.
OpusCatProvider.ClearSegmentHandlers();
OpusCatProvider.activeDocument = doc;
var project = doc.Project;
var projectInfo = project.GetProjectInfo();
LanguageDirection langDir;
//Check whether document contains files
if (doc.Files.Any())
{
//only files of same language can be merged, so taking the langdir of first file is enough
langDir = doc.Files.First().GetLanguageDirection();
}
else
{
return;
}
var activeOpusCatOptions = OpusCatProvider.GetProjectOpusCatOptions(project, langDir);
if (activeOpusCatOptions != null)
{
if (activeOpusCatOptions.Any(x => x.pregenerateMt))
{
//The previous solution for pregeneration was to start translating the
//whole document as soon as the doc changes. This has a problem:
//if you have a massive document, just opening the document will cause a massive
//load on the translation service.
//So instead this was changed to add a segment changed handler which order only a certain
//amount on new translations for the next n segments whenever segment changes.
//Previous solution is provided below, commented out.
//Assign the handler to field to make it possible to remove it later
if (!OpusCatProvider.activeSegmentHandlers.ContainsKey(doc as Document))
{
OpusCatProvider.activeSegmentHandlers[doc as Document] = new List <EventHandler>();
}
var handler = new EventHandler((x, y) => segmentChanged(langDir, x, y));
OpusCatProvider.activeSegmentHandlers[doc as Document].Add(handler);
doc.ActiveSegmentChanged += handler;
}
}
else
{
return;
}
}
private static void segmentChanged(LanguageDirection langDir, object sender, EventArgs e)
{
var doc = (Document)sender;
//There are some "segments" the Trados editor view which are not proper segments, like
//the start of document tag
if (doc.ActiveSegmentPair == null)
{
return;
}
var visitor = new OpusCatMarkupDataVisitor();
var activeOpusCatOptions = OpusCatProvider.GetProjectOpusCatOptions(doc.Project, langDir);
IEnumerable <OpusCatOptions> activeOpusCatOptionsWithPregenerate;
if (activeOpusCatOptions == null)
{
activeOpusCatOptionsWithPregenerate = null;
}
else
{
activeOpusCatOptionsWithPregenerate = activeOpusCatOptions.Where(x => x.pregenerateMt);
}
//If there is no active OPUS CAT provider, unsubscribe this handler (there's probably no event in Trados
//API for removing a translation provider from a project, so this is the only way to unsubscribe
//after translation provider has been removed.
if (activeOpusCatOptionsWithPregenerate == null || !activeOpusCatOptionsWithPregenerate.Any())
{
OpusCatProvider.ClearSegmentHandlers();
return;
}
var sourceSegmentTexts = new List <string>();
var nextSegmentPairs = doc.SegmentPairs.SkipWhile(x =>
!(x.Properties.Id == doc.ActiveSegmentPair.Properties.Id &&
x.GetParagraphUnitProperties().ParagraphUnitId == doc.ActiveSegmentPair.GetParagraphUnitProperties().ParagraphUnitId));
var segmentsNeeded = activeOpusCatOptionsWithPregenerate.Max(x => x.pregenerateSegmentCount);
foreach (var segmentPair in nextSegmentPairs)
{
if (sourceSegmentTexts.Count == segmentsNeeded)
{
break;
}
//Also preorder translations for Draft segments, since quite often there will be draft content
//provided in segments where having MT is still desirable. This could also be an option.
if (segmentPair.Properties.ConfirmationLevel == Sdl.Core.Globalization.ConfirmationLevel.Unspecified ||
segmentPair.Properties.ConfirmationLevel == Sdl.Core.Globalization.ConfirmationLevel.Draft)
{
visitor.Reset();
segmentPair.Source.AcceptVisitor(visitor);
var sourceText = visitor.PlainText;
sourceSegmentTexts.Add(sourceText);
}
}
var sourceCode = langDir.SourceLanguage.CultureInfo.TwoLetterISOLanguageName;
var targetCode = langDir.TargetLanguage.CultureInfo.TwoLetterISOLanguageName;
foreach (var options in activeOpusCatOptionsWithPregenerate)
{
//The preorder method doesn't wait for the translation, so the requests return quicker
var sourceSegmentTextsNeeded = sourceSegmentTexts.Take(options.pregenerateSegmentCount).ToList();
OpusCatMTServiceHelper.PreOrderBatch(options, sourceSegmentTextsNeeded, sourceCode, targetCode, options.modelTag);
}
}