/// <summary>
/// Create one from the specified end of the selection. If that end is not in a
/// relevant property return null. Also return null if in the same StText as
/// hvoOther.
/// </summary>
/// <param name="info"></param>
/// <param name="fEndPoint"></param>
static public TextStateInfo Create(TextSelInfo info, bool fEndPoint, FdoCache cache, int hvoOther)
{
int offset = 0; // in the SelInfoStack
if (info.Tag(fEndPoint) == kflidContents)
{
if (info.Levels(fEndPoint) < 2)
return null;
}
else
{
// One other case we need to handle is an embedded picture, because deleting it will modify the string.
if (!info.IsPicture || info.Levels(false) < 3 || info.ContainingObjectTag(1) != kflidContents)
return null;
offset = 1; // one more level for the picture.
}
int hvoStText = info.ContainingObject(1 + offset, fEndPoint);
if (hvoStText == hvoOther)
return null;
TextStateInfo result = new TextStateInfo();
result.m_stText = CmObject.CreateFromDBObject(cache, hvoStText) as StText;;
result.m_hvoPara = info.ContainingObject(offset, fEndPoint);
foreach (StTxtPara para in result.m_stText.ParagraphsOS)
result.m_paras.Add(new ParaStateInfo(para));
result.m_tssAnchorText = cache.GetTsStringProperty(result.m_hvoPara, kflidContents);
result.m_fCheckOtherParasOfText = true;
return result;
}
internal static string[] AddStringFromOtherObj(XmlNode frag, int hvoTarget, FdoCache cache)
{
int flid = XmlVc.GetFlid(frag, hvoTarget, cache);
ITsStrFactory tsf = TsStrFactoryClass.Create();
FieldType itype = cache.GetFieldType(flid);
if ((itype == FieldType.kcptUnicode) ||
(itype == FieldType.kcptBigUnicode))
{
return new string[] {cache.GetUnicodeProperty(hvoTarget, flid)};
}
else if ((itype == FieldType.kcptString) ||
(itype == FieldType.kcptBigString))
{
return new string[] { cache.GetTsStringProperty(hvoTarget, flid).Text };
}
else // multistring of some type
{
int wsid = 0;
string sep = "";
if (s_cwsMulti > 1)
{
string sLabelWs = XmlUtils.GetOptionalAttributeValue(frag, "ws");
if (sLabelWs != null && sLabelWs == "current")
{
sep = DisplayMultiSep(frag, cache)
+ DisplayWsLabel(s_qwsCurrent, cache);
wsid = s_qwsCurrent.WritingSystem;
}
}
if (wsid == 0)
wsid = LangProject.GetWritingSystem(frag, cache, null, LangProject.kwsAnal);
if ((itype == FieldType.kcptMultiUnicode) ||
(itype == FieldType.kcptMultiBigUnicode))
{
return new string[] {sep, cache.GetMultiUnicodeAlt(hvoTarget, flid, wsid, null) };
}
else
{
return new string[] {sep, cache.GetMultiStringAlt(hvoTarget, flid, wsid).Text };
}
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets the ws at para offset.
/// </summary>
/// <param name="cache">The cache.</param>
/// <param name="hvoPara">The hvo para.</param>
/// <param name="ichBeginOffset">The ich begin offset.</param>
/// <returns></returns>
/// ------------------------------------------------------------------------------------
public static int GetWsAtParaOffset(FdoCache cache, int hvoPara, int ichBeginOffset)
{
//Debug.Assert(cache.IsValidObject(hvoPara, StTxtPara.kClassId),
// String.Format("expected valid hvo({0}).", hvoPara));
//if (hvoPara <= 0 && !cache.IsDummyObject(hvoPara))
// throw new ArgumentException(String.Format("expected valid hvo({0}).", hvoPara));
ITsString tssPara = cache.GetTsStringProperty(hvoPara, (int)StTxtPara.StTxtParaTags.kflidContents);
int ws = StringUtils.GetWsAtOffset(tssPara, ichBeginOffset);
return ws;
}
internal static ITsString AnnotationTargetString(int hvoTarget, int flid, int ws, FdoCache cache)
{
ITsString tssValue;
if (IsMultilingual(flid))
{
tssValue = cache.GetMultiStringAlt(hvoTarget, flid, ws);
}
else
{
tssValue = cache.GetTsStringProperty(hvoTarget, flid);
}
return tssValue;
}