/// ------------------------------------------------------------------------------------
/// <summary>
/// Get a value determining if the new writing systems should be created as a side-effect
/// of a paste operation.
/// </summary>
/// <param name="wsf">writing system factory containing the new writing systems</param>
/// <param name="destWs">The destination writing system (writing system used at the
/// selection).</param>
/// <returns>
/// an indication of how the paste should be handled.
/// </returns>
/// ------------------------------------------------------------------------------------
public override PasteStatus DeterminePasteWs(ILgWritingSystemFactory wsf, out int destWs)
{
// Determine writing system at selection (destination for paste).
destWs = 0;
if (CurrentSelection != null)
{
destWs = CurrentSelection.GetWritingSystem(SelectionHelper.SelLimitType.Anchor);
}
if (destWs <= 0)
{
destWs = Cache.DefaultAnalWs; // set to default analysis, if 0.
}
int cws = wsf.NumberOfWs;
using (ArrayPtr ptr = MarshalEx.ArrayToNative <int>(cws))
{
wsf.GetWritingSystems(ptr, cws);
int[] vws = MarshalEx.NativeToArray <int>(ptr, cws);
for (int iws = 0; iws < cws; iws++)
{
if (vws[iws] != 0 && wsf.get_EngineOrNull(vws[iws]) == null)
{
// found corrupt writing system--don't want to use any ws in this pasted string
return(PasteStatus.UseDestWs);
}
}
}
return(PasteStatus.PreserveWs);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Get a value determining if all writing systems in the pasted string are in this
/// project. If so, we will keep the writing system formatting. Otherwise, we will
/// use the destination writing system (at the selection). We don't want to add new
/// writing systems from a paste into an FwMultiParaTextBox.
/// </summary>
/// <param name="wsf">writing system factory containing the writing systems in the
/// pasted ITsString</param>
/// <param name="destWs">[out] The destination writing system (writing system used at
/// the selection).</param>
/// <returns>
/// an indication of how the paste should be handled.
/// </returns>
/// ------------------------------------------------------------------------------------
public override PasteStatus DeterminePasteWs(ILgWritingSystemFactory wsf, out int destWs)
{
// Determine writing system at selection (destination for paste).
destWs = 0;
if (CurrentSelection != null)
{
destWs = CurrentSelection.GetWritingSystem(SelectionHelper.SelLimitType.Anchor);
}
if (destWs <= 0)
{
destWs = m_innerMultiParaFwTextBox.CurrentWs;
}
return(AllWritingSystemsDefined(wsf) ? PasteStatus.PreserveWs : PasteStatus.UseDestWs);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Get a value determining if the new writing systems should be created as a side-effect
/// of a paste operation.
/// </summary>
/// <param name="wsf">writing system factory containing the new writing systems</param>
/// <param name="destWs">The destination writing system (writing system used at the
/// selection).</param>
/// <returns>
/// an indication of how the paste should be handled.
/// </returns>
/// ------------------------------------------------------------------------------------
public override PasteStatus DeterminePasteWs(ILgWritingSystemFactory wsf, out int destWs)
{
// Determine writing system at selection (destination for paste).
destWs = 0;
if (CurrentSelection != null)
{
destWs = CurrentSelection.GetWritingSystem(SelectionHelper.SelLimitType.Anchor);
}
if (destWs <= 0)
{
destWs = Cache.DefaultAnalWs; // set to default analysis, if 0.
}
// Get list of writing system names.
List <string> wsMissingNames = new List <string>();
int cws = wsf.NumberOfWs;
using (ArrayPtr ptr = MarshalEx.ArrayToNative(cws, typeof(int)))
{
wsf.GetWritingSystems(ptr, cws);
int[] vws = (int[])MarshalEx.NativeToArray(ptr, cws, typeof(int));
IWritingSystem ws;
for (int iws = 0; iws < cws; iws++)
{
if (vws[iws] == 0)
{
continue;
}
ws = wsf.get_EngineOrNull(vws[iws]);
if (ws == null)
{
// found corrupt writing system--don't want to use any ws in this pasted string
return(PasteStatus.UseDestWs);
}
if (Cache.LanguageWritingSystemFactoryAccessor.GetWsFromStr(ws.IcuLocale) == 0)
{
wsMissingNames.Add(ws.LanguageName); // writing system not found in ws factory
}
}
}
PasteStatus pasteStatus;
if (wsMissingNames.Count > 0)
{
if (!Options.ShowPasteWsChoice)
{
return(PasteStatus.UseDestWs);
}
// Ask user whether to use destination writing system or copy original writing systems.
LgWritingSystem lgws = new LgWritingSystem(Cache, destWs);
Debug.Assert(lgws != null);
using (AddWsFromPastedTextDlg newWsDlg = new AddWsFromPastedTextDlg(
m_cache.LangProject.Name.BestAnalysisAlternative.Text,
lgws.Name.BestAnalysisAlternative.Text, wsMissingNames))
{
newWsDlg.ShowDialog(Control.FindForm());
pasteStatus = newWsDlg.PasteStatus;
}
}
else // no missing writing systems in TsString to paste
{
pasteStatus = PasteStatus.PreserveWs;
}
return(pasteStatus);
}
