/// ------------------------------------------------------------------------------------
/// <summary>
/// Perform a single instance of a text replace
/// </summary>
/// <param name="sel">The current (new) selection in the view where we just did a find.
/// Presumably, this matches the Find Text string.</param>
/// <param name="tssReplace">The tss string that the user entered in the Replace box
/// </param>
/// <param name="fUseWS"></param>
/// <param name="fEmptySearch"></param>
/// <remarks>TODO TE-973: searching for writing systems.</remarks>
/// ------------------------------------------------------------------------------------
protected void DoReplacement(IVwSelection sel, ITsString tssReplace, bool fUseWS,
bool fEmptySearch)
{
// Get the properties we will apply, except for the writing system/ows and/or sStyleName.
ITsString tssSel;
bool fGotItAll;
sel.GetFirstParaString(out tssSel, " ", out fGotItAll);
if (!fGotItAll)
return; // desperate defensive programming.
// Get ORCs from selection so that they can be appended after the text has been replaced.
ITsStrBldr stringBldr = tssSel.GetBldr();
ReplaceAllCollectorEnv.ReplaceString(stringBldr, tssSel, 0, tssSel.Length,
tssReplace, 0, fEmptySearch, fUseWS);
// finally - do the replacement
sel.ReplaceWithTsString(
stringBldr.GetString().get_NormalizedForm(FwNormalizationMode.knmNFD));
}