197 |
|
FDelayTimerValue: integer; |
198 |
|
FTimer: TFPTimer; |
199 |
|
procedure HandleRefreshTimer(Sender: TObject); |
200 |
+ |
procedure SetDelayTimerValue(AValue: integer); |
201 |
|
protected |
202 |
|
procedure DoMasterChange; override; |
203 |
|
public |
204 |
|
constructor Create(ADataSet: TDataSet); override; |
205 |
|
destructor Destroy; override; |
206 |
|
property DelayTimerValue: integer {in Milliseconds} |
207 |
< |
read FDelayTimerValue write FDelayTimerValue; |
207 |
> |
read FDelayTimerValue write SetDelayTimerValue; |
208 |
|
end; |
209 |
|
|
210 |
|
{ TIBMasterDataLink } |
211 |
|
|
212 |
|
procedure TIBMasterDataLink.HandleRefreshTimer(Sender: TObject); |
213 |
|
begin |
214 |
< |
FTimer.Interval := 0; |
215 |
< |
inherited DoMasterChange; |
214 |
> |
FTimer.Enabled := false; |
215 |
> |
if GetDetailDataSet.Active then |
216 |
> |
inherited DoMasterChange; |
217 |
> |
end; |
218 |
> |
|
219 |
> |
procedure TIBMasterDataLink.SetDelayTimerValue(AValue: integer); |
220 |
> |
begin |
221 |
> |
if FDelayTimerValue = AValue then Exit; |
222 |
> |
FDelayTimerValue := AValue; |
223 |
> |
{$IF FPC_FULLVERSION >= 30002} |
224 |
> |
if (AValue > 0) and not IsMultiThread then |
225 |
> |
IBError(ibxMultiThreadRequired,['TIBTable MasterDetailDelay']); |
226 |
> |
FTimer.Interval := FDelayTimerValue; |
227 |
> |
{$IFEND} |
228 |
|
end; |
229 |
|
|
230 |
|
procedure TIBMasterDataLink.DoMasterChange; |
231 |
|
begin |
232 |
< |
if FDelayTimerValue = 0 then |
233 |
< |
inherited DoMasterChange |
234 |
< |
else |
232 |
> |
{$IF FPC_FULLVERSION >= 30002} |
233 |
> |
if FDelayTimerValue > 0 then |
234 |
> |
with FTimer do |
235 |
|
begin |
236 |
< |
FTimer.Interval := FDelayTimerValue; |
237 |
< |
FTimer.StartTimer; |
238 |
< |
end; |
236 |
> |
CheckSynchronize; {Ensure not waiting on Synchronize} |
237 |
> |
if Enabled then |
238 |
> |
begin |
239 |
> |
StopTimer; |
240 |
> |
StartTimer; |
241 |
> |
end |
242 |
> |
else |
243 |
> |
Enabled := true; |
244 |
> |
end |
245 |
> |
else |
246 |
> |
{$IFEND} |
247 |
> |
inherited DoMasterChange |
248 |
|
end; |
249 |
|
|
250 |
|
constructor TIBMasterDataLink.Create(ADataSet: TDataSet); |
251 |
|
begin |
252 |
|
inherited Create(ADataSet); |
253 |
|
FTimer := TFPTimer.Create(nil); |
254 |
< |
FTimer.Enabled := true; |
254 |
> |
FTimer.Enabled := false; |
255 |
|
FTimer.Interval := 0; |
256 |
|
FTimer.OnTimer := HandleRefreshTimer; |
257 |
|
FDelayTimerValue := 0; |