private void Setup(int hvoPara)
{
int vernWs = StTxtPara.GetWsAtParaOffset(m_cache, hvoPara, 0);
if (vernWs == m_vernWs)
{
return; // already setup.
}
m_vernWs = vernWs;
string sql = string.Format("select txt from WfiWordform_Form where ws={0}", vernWs);
IOleDbCommand odc = DbOps.MakeRowSet(m_cache, sql, null);
m_maxChars = 0;
try
{
bool fMoreRows;
odc.NextRow(out fMoreRows);
while (fMoreRows)
{
string word = DbOps.ReadString(odc, 0);
m_words.Add(word);
m_maxChars = Math.Max(m_maxChars, word.Length);
odc.NextRow(out fMoreRows);
}
}
finally
{
DbOps.ShutdownODC(ref odc);
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Gets the writing system and direction to use for the given paragraph (depending on
/// the value of <see cref="BaseDirectionOnParaContents"/>, this can be based on the
/// paragraph itself or simply derived from the VC).
/// </summary>
/// <param name="hvoPara">The HVO of the paragraph.</param>
/// <param name="fIsRightToLeftPara">flag indicating whether direction is right to left.
/// </param>
/// <param name="wsPara">The writing system.</param>
/// ------------------------------------------------------------------------------------
protected void GetWsAndDirectionForPara(int hvoPara, out bool fIsRightToLeftPara,
out int wsPara)
{
fIsRightToLeftPara = RightToLeft;
wsPara = DefaultWs;
if (BaseDirectionOnParaContents)
{
// we'll infer the direction of the paragraph from the ws of the first run (offset 0).
wsPara = StTxtPara.GetWsAtParaOffset(m_cache, hvoPara, 0);
if (wsPara <= 0)
{
wsPara = DefaultWs;
}
else
{
IWritingSystem wsObj = m_cache.LanguageWritingSystemFactoryAccessor.get_EngineOrNull(wsPara);
if (wsObj != null)
{
fIsRightToLeftPara = wsObj.RightToLeft;
}
}
}
}