source: trunk/Forms/FormContacts.pas

Last change on this file was 162, checked in by chronos, 2 years ago
  • Modified: Updated Common package.
File size: 19.5 KB
Line 
1unit FormContacts;
2
3interface
4
5uses
6 Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ComCtrls,
7 Menus, ActnList, VCard, ListViewSort, LazUTF8, Clipbrd, RegistryEx, FormEx,
8 Generics.Collections;
9
10type
11
12 { TFormContacts }
13
14 TFormContacts = class(TFormEx)
15 AAdd: TAction;
16 AClone: TAction;
17 ACopy: TAction;
18 AColumns: TAction;
19 ACut: TAction;
20 APaste: TAction;
21 ALoadFromFile: TAction;
22 ASaveToFile: TAction;
23 ASelectAll: TAction;
24 ARemove: TAction;
25 AModify: TAction;
26 ActionList1: TActionList;
27 ListView1: TListView;
28 ListViewFilter1: TListViewFilter;
29 ListViewSort1: TListViewSort;
30 MenuItem1: TMenuItem;
31 MenuItem10: TMenuItem;
32 MenuItem11: TMenuItem;
33 MenuItem12: TMenuItem;
34 Separator1: TMenuItem;
35 MenuItemColumns: TMenuItem;
36 MenuItem2: TMenuItem;
37 MenuItem3: TMenuItem;
38 MenuItem4: TMenuItem;
39 MenuItem5: TMenuItem;
40 MenuItem6: TMenuItem;
41 MenuItem7: TMenuItem;
42 MenuItem8: TMenuItem;
43 MenuItem9: TMenuItem;
44 OpenDialog1: TOpenDialog;
45 PopupMenuContact: TPopupMenu;
46 SaveDialog1: TSaveDialog;
47 StatusBar1: TStatusBar;
48 ToolBar1: TToolBar;
49 ToolButton1: TToolButton;
50 ToolButton2: TToolButton;
51 ToolButton3: TToolButton;
52 ToolButton4: TToolButton;
53 ToolButton5: TToolButton;
54 ToolButton6: TToolButton;
55 ToolButton7: TToolButton;
56 procedure AAddExecute(Sender: TObject);
57 procedure ACloneExecute(Sender: TObject);
58 procedure AColumnsExecute(Sender: TObject);
59 procedure ACopyExecute(Sender: TObject);
60 procedure ACutExecute(Sender: TObject);
61 procedure ALoadFromFileExecute(Sender: TObject);
62 procedure AModifyExecute(Sender: TObject);
63 procedure APasteExecute(Sender: TObject);
64 procedure ARemoveExecute(Sender: TObject);
65 procedure ASaveToFileExecute(Sender: TObject);
66 procedure ASelectAllExecute(Sender: TObject);
67 procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
68 procedure FormCreate(Sender: TObject);
69 procedure FormDestroy(Sender: TObject);
70 procedure FormResize(Sender: TObject);
71 procedure FormShow(Sender: TObject);
72 procedure ListView1Data(Sender: TObject; Item: TListItem);
73 procedure ListView1DblClick(Sender: TObject);
74 procedure ListView1SelectItem(Sender: TObject; Item: TListItem;
75 Selected: Boolean);
76 procedure ListViewFilter1Change(Sender: TObject);
77 procedure ListViewSort1ColumnWidthChanged(Sender: TObject);
78 function ListViewSort1CompareItem(Item1, Item2: TObject): Integer;
79 procedure ListViewSort1Filter(ListViewSort: TListViewSort);
80 private
81 FContacts: TContacts;
82 FUpdateCount: Integer;
83 procedure FilterList(List: TObjectList<TObject>);
84 procedure SetContacts(AValue: TContacts);
85 function GetPreviousContact(Contact: TContact): TContact;
86 function GetNextContact(Contact: TContact): TContact;
87 procedure DoUpdateInterface;
88 procedure UpdateColumns;
89 procedure LoadFromRegistry(Context: TRegistryContext);
90 procedure SaveToRegistry(Context: TRegistryContext);
91 public
92 ListViewColumns: TContactFieldIndexes;
93 FilterItems: TContactFilterItems;
94 Context: TRegistryContext;
95 procedure ReloadList;
96 procedure BeginUpdate;
97 procedure EndUpdate;
98 procedure UpdateInterface;
99 property Contacts: TContacts read FContacts write SetContacts;
100 end;
101
102
103implementation
104
105{$R *.lfm}
106
107uses
108 FormContact, Core, VCardFile, FormColumns;
109
110resourcestring
111 SRemoveContacts = 'Remove contacts';
112 SRemoveContactsQuery = 'Do you want to remove selected contacts?';
113 STotal = 'Total';
114 SFiltered = 'Filtered';
115 SSelected = 'Selected';
116 SEndUpdateTooLow = 'Update counter error';
117
118{ TFormContacts }
119
120procedure TFormContacts.ListView1Data(Sender: TObject; Item: TListItem);
121
122 procedure AddItem(Text: string; IsCaption: Boolean = False);
123 begin
124 if IsCaption then begin
125 if Text <> '' then Item.Caption := Text
126 else Item.Caption := ' ';
127 end else begin
128 if Text <> '' then Item.SubItems.Add(Text)
129 else Item.SubItems.Add(' ');
130 end;
131 end;
132
133var
134 I: Integer;
135begin
136 if Item.Index < ListViewSort1.List.Count then
137 with TContact(ListViewSort1.List[Item.Index]) do begin
138 for I := 0 to ListViewColumns.Count - 1 do begin
139 AddItem(Fields[ListViewColumns[I]], I = 0);
140 end;
141 Item.Data := ListViewSort1.List[Item.Index];
142 end;
143end;
144
145procedure TFormContacts.ListView1DblClick(Sender: TObject);
146begin
147 AModify.Execute;
148end;
149
150procedure TFormContacts.ListView1SelectItem(Sender: TObject; Item: TListItem;
151 Selected: Boolean);
152begin
153 UpdateInterface;
154end;
155
156procedure TFormContacts.ListViewFilter1Change(Sender: TObject);
157var
158 I: Integer;
159begin
160 // Load filter StringGrid cells into filter
161 FilterItems.Clear;
162 for I := 0 to ListViewColumns.Count - 1 do
163 if I < ListViewFilter1.StringGrid.ColCount then
164 if ListViewFilter1.StringGrid.Cells[I, 0] <> '' then
165 FilterItems.AddNew(ListViewColumns[I], ListViewFilter1.StringGrid.Cells[I, 0]);
166
167 ReloadList;
168 UpdateInterface;
169end;
170
171procedure TFormContacts.ListViewSort1ColumnWidthChanged(Sender: TObject);
172begin
173 ListViewFilter1.UpdateFromListView(ListView1);
174end;
175
176function TFormContacts.ListViewSort1CompareItem(Item1, Item2: TObject): Integer;
177begin
178 Result := 0;
179 if Assigned(Item1) and Assigned(Item2) and (ListViewSort1.Order <> soNone) then begin
180 with ListViewSort1 do
181 Result := CompareString(TContact(Item1).Fields[ListViewColumns[Column]], TContact(Item2).Fields[ListViewColumns[Column]]);
182 if ListViewSort1.Order = soDown then Result := -Result;
183 end else Result := 0;
184end;
185
186procedure TFormContacts.ListViewSort1Filter(ListViewSort: TListViewSort);
187begin
188 if Assigned(Contacts) then Contacts.AssignToList(ListViewSort1.List)
189 else begin
190 ListViewSort1.List.Clear;
191 end;
192 FilterList(ListViewSort1.List);
193end;
194
195procedure TFormContacts.FilterList(List: TObjectList<TObject>);
196var
197 I: Integer;
198 J: Integer;
199 K: Integer;
200 FoundCount: Integer;
201 Item: TContact;
202begin
203 for I := List.Count - 1 downto 0 do begin
204 if List.Items[I] is TContact then begin
205 Item := TContact(List.Items[I]);
206 with Item do begin
207 FoundCount := 0;
208 for J := 0 to FilterItems.Count - 1 do
209 if FilterItems[J].FieldIndex = cfNone then begin
210 for K := 0 to Item.GetFields.Count - 1 do begin
211 if Pos(UTF8LowerCase(FilterItems[J].Value),
212 UTF8LowerCase(Item.Fields[TContact.GetFields[K].Index])) > 0 then begin
213 Inc(FoundCount);
214 Break;
215 end;
216 end;
217 end else begin
218 if Pos(UTF8LowerCase(FilterItems[J].Value),
219 UTF8LowerCase(Item.Fields[FilterItems[J].FieldIndex])) > 0 then
220 Inc(FoundCount);
221 end;
222 end;
223 if FoundCount <> FilterItems.Count then List.Delete(I);
224 end;
225 end;
226end;
227
228procedure TFormContacts.SetContacts(AValue: TContacts);
229begin
230 if FContacts = AValue then Exit;
231 FContacts := AValue;
232 ReloadList;
233 BeginUpdate;
234 try
235 ListViewFilter1.Reset;
236 finally
237 EndUpdate;
238 end;
239end;
240
241function TFormContacts.GetPreviousContact(Contact: TContact): TContact;
242var
243 I: Integer;
244begin
245 I := ListViewSort1.List.IndexOf(Contact);
246 if (I <> -1) and (I > 0) then
247 Result := TContact(ListViewSort1.List[I - 1])
248 else Result := nil;
249end;
250
251function TFormContacts.GetNextContact(Contact: TContact): TContact;
252var
253 I: Integer;
254begin
255 I := ListViewSort1.List.IndexOf(Contact);
256 if (I <> -1) and (I < ListViewSort1.List.Count - 1) then
257 Result := TContact(ListViewSort1.List[I + 1])
258 else Result := nil;
259end;
260
261procedure TFormContacts.DoUpdateInterface;
262var
263 Text: string;
264 SelectedCount: Integer;
265 Selected: Boolean;
266begin
267 if not ListView1.HandleAllocated then Exit;
268
269 Selected := Assigned(ListView1.Selected);
270 AAdd.Enabled := Assigned(Contacts);
271 AModify.Enabled := Assigned(Contacts) and Selected;
272 ARemove.Enabled := Assigned(Contacts) and Selected;
273 AAdd.Enabled := Assigned(Contacts);
274 AModify.Enabled := Assigned(Contacts) and Selected;
275 AClone.Enabled := Assigned(Contacts) and Selected;
276 ARemove.Enabled := Assigned(Contacts) and Selected;
277 ASelectAll.Enabled := ListView1.Items.Count > 0;
278 ALoadFromFile.Enabled := Assigned(Contacts) and Selected;
279 ASaveToFile.Enabled := Assigned(Contacts) and Selected;
280 ACopy.Enabled := Assigned(Contacts) and Selected;
281 ACut.Enabled := Assigned(Contacts) and Selected;
282 APaste.Enabled := Assigned(Contacts) and (Clipboard.AsText <> '');
283
284 Text := '';
285 if Assigned(Contacts) then begin
286 Text := STotal + ': ' + IntToStr(Contacts.Count);
287 if ListView1.Items.Count < Contacts.Count then
288 Text := Text + ', ' + SFiltered + ': ' + IntToStr(ListView1.Items.Count);
289 SelectedCount := ListView1.SelCount;
290 if SelectedCount > 0 then
291 Text := Text + ', ' + SSelected + ': ' + IntToStr(SelectedCount);
292 end;
293 StatusBar1.Panels[0].Text := Text;
294
295 UpdateColumns;
296end;
297
298procedure TFormContacts.UpdateColumns;
299var
300 I: Integer;
301 Field: TContactField;
302begin
303 ListView1.Columns.BeginUpdate;
304 try
305 while ListView1.Columns.Count < ListViewColumns.Count do
306 ListView1.Columns.Add;
307 while ListView1.Columns.Count > ListViewColumns.Count do
308 ListView1.Columns.Delete(ListView1.Columns.Count - 1);
309 for I := 0 to ListView1.Columns.Count - 1 do begin
310 if Assigned(Contacts) and Assigned(Contacts.ParentVCard) then begin
311 Field := TContact.GetFields.GetByIndex(ListViewColumns[I]);
312 if Assigned(Field) then
313 ListView1.Columns[I].Caption := Field.Title;
314 end;
315 end;
316 finally
317 ListView1.Columns.EndUpdate;
318 end;
319end;
320
321procedure TFormContacts.LoadFromRegistry(Context: TRegistryContext);
322var
323 I: Integer;
324 Registry: TRegistryEx;
325 ContactFieldIndex: TContactFieldIndex;
326begin
327 Registry := TRegistryEx.Create;
328 with Registry do
329 try
330 RootKey := Context.RootKey;
331 OpenKey(Context.Key, True);
332 ListViewColumns.Clear;
333 I := 0;
334 while ValueExists('Column' + IntToStr(I)) do begin
335 ContactFieldIndex := TContactFieldIndex(ReadIntegerWithDefault('Column' + IntToStr(I), -1));
336 ListViewColumns.Add(ContactFieldIndex);
337 Inc(I);
338 end;
339
340 if ListViewColumns.Count = 0 then begin
341 with ListViewColumns do begin
342 Add(cfFullName);
343 Add(cfFirstName);
344 Add(cfMiddleName);
345 Add(cfLastName);
346 Add(cfTel);
347 Add(cfTelCell);
348 Add(cfTelHome);
349 Add(cfTelWork);
350 Add(cfEmailWork);
351 Add(cfOrganization);
352 end;
353 end;
354 finally
355 Free;
356 end;
357end;
358
359procedure TFormContacts.SaveToRegistry(Context: TRegistryContext);
360var
361 I: Integer;
362 Registry: TRegistryEx;
363begin
364 Registry := TRegistryEx.Create;
365 with Registry do
366 try
367 RootKey := Context.RootKey;
368 OpenKey(Context.Key, True);
369 for I := 0 to ListViewColumns.Count - 1 do
370 WriteInteger('Column' + IntToStr(I), Integer(ListViewColumns[I]));
371
372 // Remove old columns
373 I := ListViewColumns.Count;
374 while ValueExists('Column' + IntToStr(I)) do begin
375 DeleteValue('Column' + IntToStr(I));
376 Inc(I);
377 end;
378 finally
379 Free;
380 end;
381end;
382
383procedure TFormContacts.FormShow(Sender: TObject);
384begin
385 LoadFromRegistry(Context);
386 UpdateColumns;
387 ReloadList;
388 UpdateInterface;
389 ListViewFilter1.UpdateFromListView(ListView1);
390end;
391
392procedure TFormContacts.AAddExecute(Sender: TObject);
393var
394 FormContact: TFormContact;
395 Contact: TContact;
396begin
397 FormContact := TFormContact.Create(nil);
398 try
399 Contact := TContact.Create;
400 try
401 Contact.ParentVCard := Contacts.ParentVCard;
402 FormContact.Contact := Contact;
403 FormContact.OnGetPrevious := GetPreviousContact;
404 FormContact.OnGetNext := GetNextContact;
405 Contact.Properties.AddNew('VERSION', Core.Core.DefaultVcardVersion);
406 if FormContact.ShowModal = mrOK then begin
407 Contacts.Add(Contact);
408 Core.Core.DataFile.Modified := True;
409 ReloadList;
410 UpdateInterface;
411 Contact := nil;
412 end;
413 finally
414 if Assigned(Contact) then
415 Contact.Free;
416 end;
417 finally
418 FormContact.Free;
419 end;
420end;
421
422procedure TFormContacts.ACloneExecute(Sender: TObject);
423var
424 FormContact: TFormContact;
425 Contact: TContact;
426begin
427 FormContact := TFormContact.Create(nil);
428 try
429 Contact := TContact.Create;
430 try
431 Contact.ParentVCard := Contacts.ParentVCard;
432 Contact.Assign(TContact(ListView1.Selected.Data));
433 FormContact.Contact := Contact;
434 FormContact.OnGetPrevious := GetPreviousContact;
435 FormContact.OnGetNext := GetNextContact;
436 if FormContact.ShowModal = mrOK then begin
437 Contacts.Add(Contact);
438 Contact := nil;
439 Core.Core.DataFile.Modified := True;
440 ReloadList;
441 UpdateInterface;
442 end;
443 finally
444 if Assigned(Contact) then
445 Contact.Free;
446 end;
447 finally
448 FormContact.Free;
449 end;
450end;
451
452procedure TFormContacts.AColumnsExecute(Sender: TObject);
453var
454 FormColumns: TFormColumns;
455 I: Integer;
456 Field: TContactField;
457begin
458 FormColumns := TFormColumns.Create(nil);
459 with FormColumns do
460 try
461 for I := 0 to ListViewColumns.Count - 1 do begin
462 Field := TContact.GetFields.GetByIndex(ListViewColumns[I]);
463 if Assigned(Field) then
464 ActiveColumns.AddObject(Field.Title, Field);
465 end;
466 for I := 0 to TContact.GetFields.Count - 1 do begin
467 Field := TContact.GetFields[I];
468 if ListViewColumns.IndexOf(Field.Index) = -1 then
469 AvailableColumns.AddObject(Field.Title, Field);
470 end;
471 if ShowModal = mrOK then begin
472 ListViewColumns.Clear;
473 for I := 0 to ActiveColumns.Count - 1 do begin
474 ListViewColumns.Add(TContactField(ActiveColumns.Objects[I]).Index);
475 end;
476 UpdateColumns;
477 ReloadList;
478 end;
479 finally
480 Free;
481 end;
482end;
483
484procedure TFormContacts.ACopyExecute(Sender: TObject);
485var
486 Text: string;
487 Strings: TStringList;
488 I: Integer;
489begin
490 Strings := TStringList.Create;
491 try
492 Text := '';
493 for I := 0 to ListView1.Items.Count - 1 do
494 if ListView1.Items[I].Selected then begin
495 Strings.Clear;
496 TContact(ListView1.Items[I].Data).SaveToStrings(Strings);
497 Text := Text + Strings.Text;
498 end;
499 Clipboard.AsText := Text;
500 finally
501 Strings.Free;
502 end;
503end;
504
505procedure TFormContacts.ACutExecute(Sender: TObject);
506var
507 Text: string;
508 Strings: TStringList;
509 I: Integer;
510begin
511 Strings := TStringList.Create;
512 try
513 Text := '';
514 for I := 0 to ListView1.Items.Count - 1 do
515 if ListView1.Items[I].Selected then begin
516 Strings.Clear;
517 TContact(ListView1.Items[I].Data).SaveToStrings(Strings);
518 Text := Text + Strings.Text;
519 end;
520 Clipboard.AsText := Text;
521 for I := 0 to ListView1.Items.Count - 1 do
522 if ListView1.Items[I].Selected then begin
523 Contacts.Delete(Contacts.IndexOf(ListView1.Items[I].Data));
524 end;
525 ReloadList;
526 ListView1.ClearSelection;
527 UpdateInterface;
528 finally
529 Strings.Free;
530 end;
531end;
532
533procedure TFormContacts.ALoadFromFileExecute(Sender: TObject);
534var
535 TempFile: TVCardFile;
536begin
537 if Assigned(ListView1.Selected) then begin
538 TempFile := TVCardFile.Create(nil);
539 try
540 OpenDialog1.Filter := TempFile.GetFileFilter;
541 OpenDialog1.DefaultExt := TempFile.GetFileExt;
542 finally
543 TempFile.Free;
544 end;
545 OpenDialog1.InitialDir := ExtractFileDir(Core.Core.LastContactFileName);
546 OpenDialog1.FileName := ExtractFileName(Core.Core.LastContactFileName);
547 if OpenDialog1.Execute then begin
548 TContact(ListView1.Selected.Data).LoadFromFile(OpenDialog1.FileName);
549 Core.Core.LastContactFileName := OpenDialog1.FileName;
550 ReloadList;
551 end;
552 end;
553end;
554
555procedure TFormContacts.AModifyExecute(Sender: TObject);
556var
557 FormContact: TFormContact;
558 Contact: TContact;
559begin
560 FormContact := TFormContact.Create(nil);
561 try
562 Contact := TContact.Create;
563 try
564 Contact.ParentVCard := Contacts.ParentVCard;
565 Contact.Assign(TContact(ListView1.Selected.Data));
566 FormContact.Contact := Contact;
567 FormContact.OnGetPrevious := GetPreviousContact;
568 FormContact.OnGetNext := GetNextContact;
569 if FormContact.ShowModal = mrOK then begin
570 if not TContact(ListView1.Selected.Data).CompareTo(Contact) then
571 Core.Core.DataFile.Modified := True;
572 TContact(ListView1.Selected.Data).Assign(Contact);
573 ReloadList;
574 UpdateInterface;
575 end;
576 finally
577 Contact.Free;
578 end;
579 finally
580 FormContact.Free;
581 end;
582end;
583
584procedure TFormContacts.APasteExecute(Sender: TObject);
585var
586 PasteContacts: TVCardFile;
587 Lines: TStringList;
588begin
589 PasteContacts := TVCardFile.Create(nil);
590 Lines := TStringList.Create;
591 try
592 Lines.Text := Clipboard.AsText;
593 PasteContacts.VCard.LoadFromStrings(Lines);
594 if PasteContacts.VCard.Contacts.Count > 0 then begin
595 if Assigned(ListView1.Selected) then begin
596 Contacts.InsertContacts(Contacts.IndexOf(ListView1.Selected.Data),
597 PasteContacts.VCard.Contacts);
598 end else Contacts.AddContacts(PasteContacts.VCard.Contacts);
599 Core.Core.DataFile.Modified := True;
600 ReloadList;
601 UpdateInterface;
602 end;
603 finally
604 Lines.Free;
605 PasteContacts.Free;
606 end;
607end;
608
609procedure TFormContacts.ARemoveExecute(Sender: TObject);
610var
611 I: Integer;
612begin
613 if Assigned(ListView1.Selected) then
614 if MessageDlg(SRemoveContacts, SRemoveContactsQuery,
615 TMsgDlgType.mtConfirmation, [mbCancel, mbOk], 0) = mrOk then begin
616 for I := ListView1.Items.Count - 1 downto 0 do
617 if ListView1.Items[I].Selected then begin
618 Contacts.Delete(Contacts.IndexOf(ListView1.Items[I].Data));
619 end;
620 Core.Core.DataFile.Modified := True;
621 ReloadList;
622 UpdateInterface;
623 end;
624end;
625
626procedure TFormContacts.ASaveToFileExecute(Sender: TObject);
627var
628 TempFile: TVCardFile;
629begin
630 if Assigned(ListView1.Selected) then begin
631 TempFile := TVCardFile.Create(nil);
632 try
633 SaveDialog1.Filter := TempFile.GetFileFilter;
634 SaveDialog1.DefaultExt := TempFile.GetFileExt;
635 finally
636 TempFile.Free;
637 end;
638 SaveDialog1.InitialDir := ExtractFileDir(Core.Core.LastContactFileName);
639 SaveDialog1.FileName := TContact(ListView1.Selected.Data).FullNameToFileName +
640 VCardFileExt;
641 if SaveDialog1.Execute then begin
642 TContact(ListView1.Selected.Data).SaveToFile(SaveDialog1.FileName);
643 Core.Core.LastContactFileName := SaveDialog1.FileName;
644 end;
645 end;
646end;
647
648procedure TFormContacts.ASelectAllExecute(Sender: TObject);
649var
650 I: Integer;
651begin
652 BeginUpdate;
653 try
654 ListView1.BeginUpdate;
655 try
656 for I := 0 to ListView1.Items.Count - 1 do
657 ListView1.Items[I].Selected := True;
658 //ListView1.SelectAll;
659 finally
660 ListView1.EndUpdate;
661 end;
662 finally
663 EndUpdate;
664 end;
665end;
666
667procedure TFormContacts.FormClose(Sender: TObject; var CloseAction: TCloseAction
668 );
669begin
670 SaveToRegistry(Context);
671end;
672
673procedure TFormContacts.FormCreate(Sender: TObject);
674var
675 I: Integer;
676begin
677 FilterItems := TContactFilterItems.Create;
678 ListViewColumns := TContactFieldIndexes.Create;
679
680 FContacts := nil;
681 for I := 0 to ToolBar1.ButtonCount - 1 do begin
682 ToolBar1.Buttons[I].ShowHint := True;
683 ToolBar1.Buttons[I].Hint := ToolBar1.Buttons[I].Caption;
684 end;
685end;
686
687procedure TFormContacts.FormDestroy(Sender: TObject);
688begin
689 FreeAndNil(ListViewColumns);
690 FreeAndNil(FilterItems);
691end;
692
693procedure TFormContacts.FormResize(Sender: TObject);
694begin
695 ListViewFilter1.UpdateFromListView(ListView1);
696end;
697
698procedure TFormContacts.ReloadList;
699begin
700 ListViewSort1.Refresh;
701end;
702
703procedure TFormContacts.BeginUpdate;
704begin
705 Inc(FUpdateCount);
706end;
707
708procedure TFormContacts.EndUpdate;
709begin
710 if FUpdateCount <= 0 then raise Exception(SEndUpdateTooLow);
711 Dec(FUpdateCount);
712 if FUpdateCount = 0 then DoUpdateInterface;
713end;
714
715procedure TFormContacts.UpdateInterface;
716begin
717 if FUpdateCount = 0 then DoUpdateInterface;
718end;
719
720end.
721
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