31 |
|
|
32 |
|
uses |
33 |
|
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, DbCtrls, |
34 |
< |
ExtCtrls, IBSQLParser, DB, StdCtrls, IBCustomDataSet; |
34 |
> |
ExtCtrls, IBSQLParser, DB, StdCtrls, IBCustomDataSet, LCLVersion; |
35 |
|
|
36 |
|
type |
37 |
|
|
92 |
|
FUpdating: boolean; |
93 |
|
FInserting: boolean; |
94 |
|
FExiting: boolean; |
95 |
+ |
FForceAutoComplete: boolean; |
96 |
+ |
FInCheckAndInsert: boolean; |
97 |
|
FLastKeyValue: variant; |
98 |
|
procedure DoActiveChanged(Data: PtrInt); |
99 |
|
function GetAutoCompleteText: TComboBoxAutoCompleteText; |
145 |
|
|
146 |
|
implementation |
147 |
|
|
148 |
< |
uses IBQuery, LCLType, Variants, LCLProc; |
148 |
> |
uses IBQuery, LCLType, Variants, LCLProc, LazUTF8; |
149 |
|
|
150 |
|
{ TIBLookupControlLink } |
151 |
|
|
331 |
|
ListSource.DataSet.Active := false; |
332 |
|
ListSource.DataSet.Active := true; |
333 |
|
Text := curText; |
334 |
< |
if not FExiting and Focused and (Text <> '')then |
334 |
> |
if not FExiting and (FForceAutoComplete or Focused) and (Text <> '')then |
335 |
|
begin |
336 |
|
if ListSource.DataSet.Active and (ListSource.DataSet.RecordCount > 0) then |
337 |
|
begin |
368 |
|
Parser.Add2WhereClause(GetRelationNameQualifier + '"' + ListField + '" Like ''' + |
369 |
|
SQLSafe(Text) + '%''') |
370 |
|
else |
371 |
< |
Parser.Add2WhereClause(GetRelationNameQualifier + 'Upper("' + ListField + '") Like Upper(''' + |
371 |
> |
Parser.Add2WhereClause('Upper(' + GetRelationNameQualifier + '"' + ListField + '") Like Upper(''' + |
372 |
|
SQLSafe(Text) + '%'')'); |
373 |
|
|
374 |
< |
end; |
375 |
< |
if cbactSearchAscending in AutoCompleteText then |
376 |
< |
begin |
377 |
< |
FieldPosition := Parser.GetFieldPosition(ListField); |
376 |
< |
if FieldPosition = 0 then Exit; |
374 |
> |
if cbactSearchAscending in AutoCompleteText then |
375 |
> |
begin |
376 |
> |
FieldPosition := Parser.GetFieldPosition(ListField); |
377 |
> |
if FieldPosition = 0 then Exit; |
378 |
|
|
379 |
< |
Parser.OrderByClause := IntToStr(FieldPosition) + ' ascending'; |
379 |
> |
Parser.OrderByClause := IntToStr(FieldPosition) + ' ascending'; |
380 |
> |
end; |
381 |
|
end; |
382 |
|
end; |
383 |
|
|
397 |
|
var Accept: boolean; |
398 |
|
NewKeyValue: variant; |
399 |
|
begin |
400 |
< |
if AutoInsert and (Text <> '') and assigned(ListSource) and assigned(ListSource.DataSet) |
401 |
< |
and ListSource.DataSet.Active and (ListSource.DataSet.RecordCount = 0) then |
400 |
> |
if FInCheckAndInsert then Exit; |
401 |
> |
FInCheckAndInsert := true; |
402 |
|
try |
403 |
< |
{Is it OK to insert a new list member?} |
404 |
< |
Accept := true; |
405 |
< |
if assigned(FOnCanAutoInsert) then |
406 |
< |
OnCanAutoInsert(self,Text,Accept); |
407 |
< |
if not Accept then |
408 |
< |
begin |
409 |
< |
ResetParser; |
410 |
< |
Text := FOriginalTextValue; |
411 |
< |
SelectAll; |
412 |
< |
Exit; |
413 |
< |
end; |
403 |
> |
if AutoInsert and (Text <> '') and assigned(ListSource) and assigned(ListSource.DataSet) |
404 |
> |
and ListSource.DataSet.Active and (ListSource.DataSet.RecordCount = 0) then |
405 |
> |
try |
406 |
> |
{Is it OK to insert a new list member?} |
407 |
> |
Accept := true; |
408 |
> |
if assigned(FOnCanAutoInsert) then |
409 |
> |
OnCanAutoInsert(self,Text,Accept); |
410 |
> |
if not Accept then |
411 |
> |
begin |
412 |
> |
ResetParser; |
413 |
> |
Text := FOriginalTextValue; |
414 |
> |
SelectAll; |
415 |
> |
Exit; |
416 |
> |
end; |
417 |
|
|
418 |
< |
FInserting := true; |
419 |
< |
try |
420 |
< |
{New Value} |
421 |
< |
FFiltered := false; |
422 |
< |
if assigned(FOnAutoInsert) then |
423 |
< |
begin |
424 |
< |
{In an OnAutoInsert handler, the client is expected to insert the new |
425 |
< |
row into the List DataSet and to set the KeyValue property to the |
426 |
< |
value of the primary key of the new row.} |
427 |
< |
OnAutoInsert(self,Text,NewKeyValue); |
428 |
< |
end |
429 |
< |
else |
430 |
< |
begin |
431 |
< |
ListSource.DataSet.Append; |
432 |
< |
{The new KeyValue should be determined by an external generator or |
433 |
< |
in the "OnInsert" handler. If it is the same as the ListField, then |
434 |
< |
it will be set from the UpdateLinkData method} |
435 |
< |
try |
436 |
< |
ListSource.DataSet.Post; |
437 |
< |
except |
438 |
< |
ListSource.DataSet.Cancel; |
439 |
< |
raise; |
440 |
< |
end; |
441 |
< |
NewKeyValue := ListSource.DataSet.FieldByName(KeyField).AsVariant; |
442 |
< |
end; |
443 |
< |
Text := ''; {Ensure full list} |
444 |
< |
UpdateList; |
445 |
< |
KeyValue := NewKeyValue; |
446 |
< |
UpdateData(nil); {Force sync with DataField} |
447 |
< |
finally |
448 |
< |
FInserting := false |
449 |
< |
end; |
450 |
< |
except |
451 |
< |
Text := FOriginalTextValue; |
452 |
< |
ResetParser; |
453 |
< |
raise; |
418 |
> |
FInserting := true; |
419 |
> |
try |
420 |
> |
{New Value} |
421 |
> |
FFiltered := false; |
422 |
> |
if assigned(FOnAutoInsert) then |
423 |
> |
begin |
424 |
> |
{In an OnAutoInsert handler, the client is expected to insert the new |
425 |
> |
row into the List DataSet and to set the KeyValue property to the |
426 |
> |
value of the primary key of the new row.} |
427 |
> |
OnAutoInsert(self,Text,NewKeyValue); |
428 |
> |
end |
429 |
> |
else |
430 |
> |
begin |
431 |
> |
ListSource.DataSet.Append; |
432 |
> |
{The new KeyValue should be determined by an external generator or |
433 |
> |
in the "OnInsert" handler. If it is the same as the ListField, then |
434 |
> |
it will be set from the UpdateLinkData method} |
435 |
> |
try |
436 |
> |
ListSource.DataSet.Post; |
437 |
> |
except |
438 |
> |
ListSource.DataSet.Cancel; |
439 |
> |
raise; |
440 |
> |
end; |
441 |
> |
NewKeyValue := ListSource.DataSet.FieldByName(KeyField).AsVariant; |
442 |
> |
end; |
443 |
> |
Text := ''; {Ensure full list} |
444 |
> |
UpdateList; |
445 |
> |
KeyValue := NewKeyValue; |
446 |
> |
UpdateData(nil); {Force sync with DataField} |
447 |
> |
finally |
448 |
> |
FInserting := false |
449 |
> |
end; |
450 |
> |
except |
451 |
> |
Text := FOriginalTextValue; |
452 |
> |
ResetParser; |
453 |
> |
raise; |
454 |
> |
end; |
455 |
> |
finally |
456 |
> |
FInCheckAndInsert := false |
457 |
|
end; |
458 |
|
end; |
459 |
|
|
494 |
|
SelectAll; |
495 |
|
end |
496 |
|
else |
497 |
< |
if (IsEditableTextKey(Key) or (Key = VK_BACK)) |
490 |
< |
and AutoComplete and (Style <> csDropDownList) and |
491 |
< |
(not (cbactEndOfLineComplete in AutoCompleteText) or (SelStart = UTF8Length(Text))) then |
492 |
< |
FTimer.Interval := FKeyPressInterval |
493 |
< |
else |
497 |
> |
begin |
498 |
|
FTimer.Interval := 0; |
499 |
+ |
if (IsEditableTextKey(Key) or (Key = VK_BACK)) |
500 |
+ |
and AutoComplete and (Style <> csDropDownList) and |
501 |
+ |
(not (cbactEndOfLineComplete in AutoCompleteText) or (SelStart = UTF8Length(Text))) then |
502 |
+ |
FTimer.Interval := FKeyPressInterval; |
503 |
+ |
end; |
504 |
|
end; |
505 |
|
|
506 |
|
procedure TIBLookupComboEditBox.Loaded; |
564 |
|
|
565 |
|
procedure TIBLookupComboEditBox.EditingDone; |
566 |
|
begin |
567 |
+ |
FForceAutoComplete := true; |
568 |
+ |
try |
569 |
+ |
if FTimer.Interval <> 0 then |
570 |
+ |
HandleTimer(nil); |
571 |
+ |
finally |
572 |
+ |
FForceAutoComplete := false; |
573 |
+ |
end; |
574 |
|
CheckAndInsert; |
575 |
|
inherited EditingDone; |
576 |
|
end; |