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root/public/ibx/trunk/ibcontrols/IBLookupComboEditBox.pas
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Comparing ibx/trunk/ibcontrols/IBLookupComboEditBox.pas (file contents):
Revision 278 by tony, Mon Feb 4 13:47:40 2019 UTC vs.
Revision 291 by tony, Fri Apr 17 10:26:08 2020 UTC

# Line 113 | Line 113 | type
113      procedure UpdateSQL(Sender: TObject; Parser: TSelectSQLParser);
114      procedure HandleEnter(Data: PtrInt);
115      procedure UpdateLinkData(Sender: TObject);
116 +    procedure ValidateListField;
117    protected
118      { Protected declarations }
119      procedure ActiveChanged(Sender: TObject);
# Line 159 | Line 160 | type
160  
161   implementation
162  
163 < uses Variants, LCLProc, LazUTF8, IBUtils;
163 > uses Variants, LCLProc, LazUTF8, IBUtils, IBMessages;
164  
165   { TIBLookupControlLink }
166  
# Line 251 | Line 252 | begin
252       and ListSource.DataSet.Active   then
253    begin
254      begin
255 +      ValidateListField;
256        if varIsNull(FLastKeyValue) and (ItemIndex = -1) then
257          KeyValue := ListSource.DataSet.FieldByName(KeyField).AsVariant
258        else
# Line 389 | Line 391 | procedure TIBLookupComboEditBox.UpdateSQ
391    Parser: TSelectSQLParser);
392   var FieldPosition: integer;
393      FilterText: string;
394 +    SQLDialect: integer;
395   begin
396    if FFiltered then
397    begin
# Line 396 | Line 399 | begin
399        FilterText := FCurText
400      else
401        FilterText := Text;
402 +
403 +    if Parser.DataSet <> nil then
404 +      SQLDialect := (Parser.DataSet as TIBCustomDataSet).Database.SQLDialect
405 +    else
406 +      SQLDialect := 1;
407 +
408      if cbactSearchCaseSensitive in AutoCompleteText then
409 <      Parser.Add2WhereClause(GetRelationNameQualifier + '"' + ListField + '" Like ''' +
409 >      Parser.Add2WhereClause(GetRelationNameQualifier + QuoteIdentifierIfNeeded(SQLDialect,ListField) + ' Like ''' +
410                                    SQLSafeString(FilterText) + '%''')
411      else
412 <      Parser.Add2WhereClause('Upper(' + GetRelationNameQualifier + '"' +  ListField + '") Like Upper(''' +
412 >      Parser.Add2WhereClause('Upper(' + GetRelationNameQualifier + QuoteIdentifierIfNeeded(SQLDialect,ListField) + ') Like Upper(''' +
413                                    SQLSafeString(FilterText) + '%'')');
414  
415      if cbactSearchAscending in AutoCompleteText then
# Line 425 | Line 434 | begin
434      ListSource.DataSet.FieldByName(ListField).AsString := Text
435   end;
436  
437 + {Check to ensure that ListField exists and convert to upper case if necessary}
438 +
439 + procedure TIBLookupComboEditBox.ValidateListField;
440 + var SQLDialect: integer;
441 +    FieldNames: TStringList;
442 + begin
443 +  if (ListSource = nil) or (ListSource.DataSet = nil) then Exit;
444 +  SQLDialect := (ListSource.DataSet as TIBCustomDataSet).Database.SQLDialect;
445 +  FieldNames := TStringList.Create;
446 +  try
447 +    FieldNames.CaseSensitive := true;
448 +    FieldNames.Sorted := true;
449 +    FieldNames.Duplicates := dupError;
450 +    ListSource.DataSet.GetFieldNames(FieldNames);
451 +    if FieldNames.IndexOf(ListField) = -1 then {not found}
452 +    begin
453 +      if (SQLDialect = 3) and (FieldNames.IndexOf(AnsiUpperCase(ListField)) <> - 1) then {normalise to upper case}
454 +        ListField := AnsiUpperCase(ListField)
455 +      else
456 +        IBError(ibxeListFieldNotFound,[ListField])
457 +    end;
458 +  finally
459 +    FieldNames.Free;
460 +  end;
461 + end;
462 +
463   procedure TIBLookupComboEditBox.CheckAndInsert;
464   var Accept: boolean;
465      NewKeyValue: variant;

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