/// ------------------------------------------------------------------------------------
/// <summary>
/// Find the beginning and ending reference for a given paragraph.
/// </summary>
/// <param name="para">given paragraph</param>
/// <param name="startRef">out: reference at start of paragraph</param>
/// <param name="endRef">out: reference at end of paragraph</param>
/// ------------------------------------------------------------------------------------
private void FindParaRefRange(ScrTxtPara para, out BCVRef startRef, out BCVRef endRef)
{
BCVRef notUsed;
para.GetBCVRefAtPosition(0, false, out startRef, out notUsed);
para.GetBCVRefAtPosition(para.Contents.Length,
out notUsed, out endRef);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Common utility for the CurrentRef* properties
/// </summary>
/// <param name="selection"></param>
/// <param name="selLimit">The limit of the selection (anchor, end, etc.) to get the
/// reference of</param>
/// <returns>the start and end reference of the given selection, as an array of two
/// ScrReference objects</returns>
/// ------------------------------------------------------------------------------------
protected virtual ScrReference[] GetCurrentRefRange(SelectionHelper selection,
SelectionHelper.SelLimitType selLimit)
{
if (m_cache == null || selection == null || BookFilter == null)
return new ScrReference[] {ScrReference.Empty, ScrReference.Empty};
ILocationTracker tracker = ((ITeView)Control).LocationTracker;
// If there is a current book...
BCVRef start = new BCVRef();
BCVRef end = new BCVRef();
int iBook = tracker.GetBookIndex(selection, selLimit);
if (iBook >= 0 && BookFilter.BookCount > 0)
{
try
{
ScrBook book = BookFilter.GetBook(iBook);
// if there is not a current section, then use the book and chapter/verse of 0.
int hvoSection = tracker.GetSectionHvo(CurrentSelection, selLimit);
if (hvoSection >= 0)
{
// If there is a section...
ScrSection section = new ScrSection(m_cache, hvoSection);
int paraHvo = selection.GetLevelInfoForTag(
(int)StText.StTextTags.kflidParagraphs, selLimit).hvo;
ScrTxtPara scrPara = new ScrTxtPara(m_cache, paraHvo);
// Get the ich at either the beginning or the end of the selection,
// as specified with limit. (NB that this is relative to the property, not the whole paragraph.)
int ich;
// Get the TsString, whether in vern or BT
ITsString tss;
SelLevInfo segInfo;
int refWs;
if (selection.GetLevelInfoForTag(StTxtPara.SegmentsFlid(Cache), selLimit, out segInfo))
{
// selection is in a segmented BT segment. Figure the reference based on where the segment is
// in the underlying paragraph.
tss = scrPara.Contents.UnderlyingTsString; // for check below on range of ich.
CmBaseAnnotation seg = new CmBaseAnnotation(Cache, segInfo.hvo);
ich = seg.BeginOffset;
Debug.Assert(seg.BeginObjectRAHvo == scrPara.Hvo);
refWs = -1; // ich is in the paragraph itself, not some CmTranslation
}
else
{
ich = selection.GetIch(selLimit);
// Get the TsString, whether in vern or BT
tss = selection.GetTss(selLimit);
refWs = GetCurrentBtWs(selLimit); // figures out whether it's in a CmTranslation or the para itself.
}
Debug.Assert(tss == null || ich <= tss.Length);
if (tss != null && ich <= tss.Length)
{
scrPara.GetBCVRefAtPosition(refWs, ich, true, out start, out end);
// If the chapter number is 0, then use the chapter from the section reference
if (end.Chapter == 0)
end.Chapter = BCVRef.GetChapterFromBcv(section.VerseRefMin);
if (start.Chapter == 0)
start.Chapter = BCVRef.GetChapterFromBcv(section.VerseRefMin);
}
}
else
{
// either it didn't find a level or it didn't find an index. Either way,
// it couldn't find a section.
start.Book = end.Book = book.CanonicalNum;
}
}
catch
{
// Bummer man, something went wrong... don't sweat it though, it happens...
// This can occur if you are in the introduction or other location that lacks
// relevant information or other necessary stuff.
}
}
return new ScrReference[] {new ScrReference(start, m_scr.Versification),
new ScrReference(end, m_scr.Versification)}; ;
}
public static string FullScrRef(ScrTxtPara scrPara, int hvoCba, string bookName)
{
FdoCache cache = scrPara.Cache;
BCVRef startRef, endRef;
scrPara.GetBCVRefAtPosition(
cache.GetIntProperty(hvoCba, (int)CmBaseAnnotation.CmBaseAnnotationTags.kflidBeginOffset),
out startRef, out endRef);
IScripture scripture = cache.LangProject.TranslatedScriptureOA;
string fullRef = ScrReference.MakeReferenceString(bookName, startRef, endRef,
scripture.ChapterVerseSepr, scripture.Bridge);
return fullRef;
}