-
Notifications
You must be signed in to change notification settings - Fork 0
/
uBrowser.pas
736 lines (659 loc) · 18.2 KB
/
uBrowser.pas
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
// Program was compiled with Delphi 7.0 (Build 8.1)
// Program uses Turbo Power Orpheus library (available on SourceForge)
// Program uses Turbo Power Systools library (available on SourceForge)
{$Define pos}
unit uBrowser;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, Grids, DBGrids, Db, DBTables, ExtCtrls, Buttons, ComCtrls,
DBCtrls, SoftReg, uBrowseMemo, DBInpReq, Menus;
type
TForm_Browser = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
DBGrid1: TDBGrid;
OpenDialog1: TOpenDialog;
Panel4: TPanel;
DBNavigator1: TDBNavigator;
Edit2: TLabel;
btnGotoRecNo: TButton;
MainMenu1: TMainMenu;
File1: TMenuItem;
Exit1: TMenuItem;
N2: TMenuItem;
Open1: TMenuItem;
Close1: TMenuItem;
Navigate1: TMenuItem;
FindRecord1: TMenuItem;
AddRecord1: TMenuItem;
TopRecord1: TMenuItem;
PreviousRecord1: TMenuItem;
NextRepord1: TMenuItem;
BottomRecord1: TMenuItem;
HideRecord1: TMenuItem;
N1: TMenuItem;
Order1: TMenuItem;
N3: TMenuItem;
RebuildIndexes1: TMenuItem;
Functions1: TMenuItem;
ShowBDEInfo2: TMenuItem;
N4: TMenuItem;
RecentDBFs1: TMenuItem;
Label_DBFName: TLabel;
FindDialog1: TFindDialog;
PackTable1: TMenuItem;
PopupMenu1: TPopupMenu;
DisplayMemoasText1: TMenuItem;
DisplayMemoasObjects1: TMenuItem;
MovetoFirstColumn1: TMenuItem;
ShowDeletedRecords1: TMenuItem;
lblIsNullField: TLabel;
procedure Table1AfterScroll(DataSet: TDataSet);
procedure FormCreate(Sender: TObject);
procedure DBGrid1DblClick(Sender: TObject);
procedure Table1AfterOpen(DataSet: TDataSet);
procedure btnRebuildIndexesClick(Sender: TObject);
procedure ShowBDEInfo1Click(Sender: TObject);
procedure Open1Click(Sender: TObject);
procedure Exit1Click(Sender: TObject);
procedure Navigate1Click(Sender: TObject);
procedure Close1Click(Sender: TObject);
procedure AddRecord1Click(Sender: TObject);
procedure TopRecord1Click(Sender: TObject);
procedure PreviousRecord1Click(Sender: TObject);
procedure NextRepord1Click(Sender: TObject);
procedure BottomRecord1Click(Sender: TObject);
procedure HideRecord1Click(Sender: TObject);
procedure RebuildIndexes1Click(Sender: TObject);
procedure ShowBDEInfo2Click(Sender: TObject);
procedure ModifyStructure1Click(Sender: TObject);
procedure FindDialog1Find(Sender: TObject);
procedure FindRecord1Click(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure PackTable1Click(Sender: TObject);
procedure DisplayMemoasText1Click(Sender: TObject);
procedure DisplayMemoasObjects1Click(Sender: TObject);
procedure PopupMenu1Popup(Sender: TObject);
procedure MovetoFirstColumn1Click(Sender: TObject);
procedure btnGotoRecNoClick(Sender: TObject);
procedure ShowDeletedRecords1Click(Sender: TObject);
private
{ Private declarations }
fDefaultPath: string;
RecentDBFs: TStringList;
BrowseMemoList: TList;
fRecordCount: integer;
SoftReg1: TSoftReg;
procedure OrderClick(Sender: TObject);
procedure Enable_Stuff;
procedure EnableNavigateMenu;
procedure ReBuildIndexes;
procedure UpdateTagNames;
procedure CloseDBF;
procedure UpdateRecentDBFsMenuItem;
procedure DisplayMemoAsObjects(BrowseHow: TBrowseHow);
procedure ShowBDEInfo;
procedure Table1AfterInsert(DataSet: TDataSet);
procedure UpdateOpenMemoFields;
public
{ Public declarations }
Table1: TTable;
DataSource1: TDataSource;
procedure OpenDBF(lfn: string);
procedure AddHistoryItem(lfn: string);
procedure SaveHistoryList;
procedure OpenRecentDBF(Sender: TObject);
end;
var
Form_Browser: TForm_Browser;
implementation
{$R *.DFM}
uses
BDE, uBDEInfo, StStrL, StStrZ, StBase, MyUtils,
GotoRecNo;
CONST
MAXHISTORY = 10;
FILE_HISTORY = 'File History';
FILE_PATHS = 'File Paths';
DEFAULT_PATH = 'Default Path';
procedure TForm_Browser.SaveHistoryList;
var
Key : HKEY;
i: integer;
begin { TForm_Browser.SaveHistoryList }
with SoftReg1 do
begin
ProductName := 'Browser';
OpenRootKey(rkUser);
Key := OpenKey(0, FILE_HISTORY, true);
with RecentDBFs do
for i := 0 to Count-1 do
WriteString(Key, 'File'+IntToStr(i), RecentDBFs[i]);
Key := OpenKey(0, FILE_PATHS, true);
WriteString(Key, DEFAULT_PATH, fDefaultPath);
CloseRootKey;
end;
end; { TForm_Browser.SaveHistoryList }
procedure TForm_Browser.Table1AfterScroll(DataSet: TDataSet);
begin
with DataSet as TTable do
if not ControlsDisabled then
begin
if Active and (fRecordCount > 0) then
begin
btnGotoRecNo.Caption := IntToStr(RecNo);
Edit2.Caption := IntToStr(fRecordCount);
lblIsNullField.Visible := DBGrid1.SelectedField.IsNull;
end
else
begin
btnGotoRecNo.Caption := '';
Edit2.Caption := 'No records';
lblIsNullField.Visible := false;
end;
EnableNavigateMenu;
UpdateOpenMemoFields;
end;
end;
procedure TForm_Browser.Table1AfterInsert(DataSet: TDataSet);
begin
DBGrid1.SelectedField := DataSet.Fields[0];
end;
procedure TForm_Browser.CloseDBF;
var
i: integer;
begin
with Table1 do
if Active then
begin
if State in [dsEdit, dsInsert] then
Post;
Active := false;
for i := 0 to BrowseMemoList.Count-1 do
TForm(BrowseMemoList[i]).Free;
BrowseMemoList.Clear;
Label_DBFName.Caption := '';
btnGotoRecNo.Caption := '';
Table1AfterScroll(Table1);
SaveHistoryList;
end;
Enable_Stuff;
end;
procedure TForm_Browser.OpenDBF(lfn: string);
var
ext: string[4];
begin
with Table1 do
begin
CloseDBF;
DataBaseName := ExtractFilePath(lfn);
TableName := ExtractFileName(lfn);
Ext := UpperCase(ExtractFileExt(lfn));
if ext = '.DB' then
TableType := ttParadox
else
TableType := ttDBase;
IndexName := '';
try
Active := true;
fRecordCount := RecordCount;
Label_DBFName.Caption := Format('%s (TableLevel=%d)', [lfn, TableLevel]);
AddHistoryItem(lfn);
fDefaultPath := ExtractFilePath(lfn);
Check(DbiSetProp(hDBIObj(Table1.Handle), curSOFTDELETEON, LongInt(ShowDeletedRecords1.Checked)));
Table1AfterScroll(Table1);
except
on e:Exception do
Error(Format('Unable to open %s [%s]', [lfn, e.message]));
end;
end;
Enable_Stuff;
end;
procedure TForm_Browser.Enable_Stuff;
begin
with Table1 do
begin
Open1.Enabled := not Active;
Close1.Enabled := Active;
RebuildIndexes1.Enabled := Active;
PackTable1.Enabled := Active;
if not Active then
begin
btnGotoRecNo.Caption := '';
Edit2.Caption := '';
end;
end;
EnableNavigateMenu;
end;
procedure TForm_Browser.FormCreate(Sender: TObject);
var
Key : HKEY;
b : boolean;
lfn : string;
MailingListDir: string;
begin { TForm_Browser.FormCreate }
Label_DBFName.Caption := '';
Table1 := TTable.Create(self);
with Table1 do
begin
AfterOpen := Table1AfterOpen;
AfterScroll := Table1AfterScroll;
AfterInsert := Table1AfterInsert;
end;
DataSource1 := TDataSource.Create(self);
DataSource1.DataSet := Table1;
DBGrid1.DataSource := DataSource1;
DBNavigator1.DataSource := DataSource1;
RecentDBFs := TStringList.Create;
BrowseMemoList := TList.Create;
SoftReg1 := TSoftReg.Create;
with SoftReg1 do
begin
CompanyName := 'BCC Software';
ProductName := 'Mail Manager 2010';
OpenRootKey(rkLocal);
Key := OpenKey(0, 'Paths', false);
MailingListDir := ReadString(Key, 'BCC_MailLists_Path', 'C:\BCC\MM2010\LISTS');
CloseRootKey;
ProductName := 'Browser';
OpenRootKey(rkUser);
Key := OpenKey(0, FILE_HISTORY, true);
lfn := ReadString(Key, 'File'+IntToStr(RecentDBFs.Count), '');
b := lfn <> '';
while b do
begin
RecentDBFs.Add(Lfn);
if RecentDBFs.Count < MAXHISTORY then
begin
lfn := ReadString(Key, 'File'+IntToStr(RecentDBFs.Count), '');
b := lfn <> '';
end
else
b := false;
end;
Key := OpenKey(0, FILE_PATHS, true);
fDefaultPath := ReadString(Key, DEFAULT_PATH, MailingListDir);
CloseRootKey;
// if RecentDBFs.Count = 0 then
// begin
// if fMailingListDir <> '' then
// AddHistoryItem(fMailingListDir + 'MAILLIST.DBF');
//
// CloseRootKey;
// end;
UpdateRecentDBFsMenuItem;
end;
if ParamStr(1) <> '' then { if passed a parameter, try to use it as lfn }
OpenDBF(ParamStr(1));
Enable_Stuff;
end; { TForm_Browser.FormCreate }
procedure TForm_Browser.AddHistoryItem(lfn: string);
var
i: integer;
begin { TForm_Browser.AddHistoryItem }
with RecentDBFs do
begin
i := IndexOf(lfn);
if i >= 0 then { already in list }
begin
if i > 0 then { not already at top }
begin
Delete(i);
Insert(0, lfn); { move to the top }
end;
end else
if Count = MAXHISTORY then { history list is full }
begin
Delete(MAXHISTORY-1); { delete the oldest }
Insert(0, lfn); { add newset at the top }
end
else
Insert(0, lfn); { add at the top }
end;
UpdateRecentDBFsMenuItem;
end; { TForm_Browser.AddHistoryItem }
procedure TForm_Browser.UpdateRecentDBFsMenuItem;
var
i: integer;
aMenuItem: TMenuItem;
begin
with RecentDBFs1 do
begin
{ empty previous 'Recent DBFs' sub-menu }
for i := Count-1 downto 0 do
Delete(i);
for i := 0 to RecentDBFs.Count-1 do
begin
aMenuItem := TMenuItem.Create(self);
with aMenuItem do
begin
Caption := RecentDBFs[i];
OnClick := OpenRecentDBF;
AutoHotkeys := maManual;
end;
Add(aMenuItem);
end;
end;
end;
procedure TForm_Browser.DBGrid1DblClick(Sender: TObject);
var
aBrowseMemo: TForm;
begin
aBrowseMemo := TfrmBrowseMemo.Create(self, DataSource1, DBGrid1.SelectedField, bhAsText);
BrowseMemoList.Add(aBrowseMemo);
aBrowseMemo.Show;
end;
procedure TForm_Browser.Table1AfterOpen(DataSet: TDataSet);
begin
with Table1 do
begin
end;
UpdateTagNames;
end;
procedure TForm_Browser.UpdateTagNames;
var
aMenuItem: TMenuItem;
i: integer;
Items: TStringList;
begin
with Table1 do
begin
Items := TStringList.Create;
try
Items.Clear;
GetIndexNames(Items);
Items.Add('(recno order)');
{ empty old 'Order' sub-menu }
with Order1 do
for i := Count-1 downto 0 do
Delete(i);
{ Add items to 'Order1' sub-menu }
for i := Items.Count-1 downto 0 do
begin
aMenuItem := TMenuItem.Create(self);
aMenuItem.Caption := Items[i];
aMenuItem.OnClick := OrderClick;
Order1.Add(aMenuItem);
end;
finally
Items.Free;
end;
end;
end;
procedure TForm_Browser.btnRebuildIndexesClick(Sender: TObject);
begin
RebuildIndexes;
end;
procedure TForm_Browser.ShowBDEInfo1Click(Sender: TObject);
begin
ShowBDEInfo;
end;
procedure TForm_Browser.ShowBDEInfo;
begin
with TForm_BDESystemInfo.Create(self) do
begin
ShowModal;
Free;
end;
end;
procedure TForm_Browser.Open1Click(Sender: TObject);
begin
with OpenDialog1 do
begin
InitialDir := fDefaultPath;
if Execute then
OpenDBF(FileName);
end;
end;
procedure TForm_Browser.Exit1Click(Sender: TObject);
begin
Close;
end;
procedure TForm_Browser.Navigate1Click(Sender: TObject);
begin
EnableNavigateMenu;
end;
procedure TForm_Browser.EnableNavigateMenu;
begin
with Table1 do
begin
Open1.Enabled := not Active;
Close1.Enabled := Active;
Navigate1.Enabled := Active;
FindRecord1.Enabled := not EOF;
AddRecord1.Enabled := Active;
TopRecord1.Enabled := not BOF;
PreviousRecord1.Enabled := not BOF;
NextRepord1.Enabled := not EOF;
BottomRecord1.Enabled := not EOF;
Order1.Enabled := Active;
end;
end;
procedure TForm_Browser.Close1Click(Sender: TObject);
begin
CloseDBF;
end;
procedure TForm_Browser.AddRecord1Click(Sender: TObject);
begin
Table1.Append;
end;
procedure TForm_Browser.TopRecord1Click(Sender: TObject);
begin
Table1.First;
end;
procedure TForm_Browser.PreviousRecord1Click(Sender: TObject);
begin
Table1.Prior;
end;
procedure TForm_Browser.NextRepord1Click(Sender: TObject);
begin
Table1.Next;
end;
procedure TForm_Browser.BottomRecord1Click(Sender: TObject);
begin
Table1.Last;
end;
procedure TForm_Browser.HideRecord1Click(Sender: TObject);
begin
Table1.Delete;
end;
procedure TForm_Browser.RebuildIndexes1Click(Sender: TObject);
begin
RebuildIndexes;
end;
procedure TForm_Browser.ShowBDEInfo2Click(Sender: TObject);
begin
ShowBDEInfo
end;
procedure TForm_Browser.OrderClick(Sender: TObject);
var
idx: integer;
aMenuItem: TMenuItem;
begin
with Table1 do
begin
aMenuItem := TMenuItem(Sender);
idx := Order1.IndexOf(aMenuItem);
if idx > 0 then { index selected }
IndexName := aMenuItem.Caption
else
IndexName := ''; // recno order selected
end;
end;
procedure TForm_Browser.ModifyStructure1Click(Sender: TObject);
begin
(*
with TModify_Table_Structure.Create(self, Table1) do
begin
ShowModal;
Free;
end;
*)
end;
procedure TForm_Browser.OpenRecentDBF(Sender: TObject);
begin
with Sender as TMenuItem do
OpenDBF(Caption);
end;
procedure TForm_Browser.FindDialog1Find(Sender: TObject);
label
FOUND_IT;
var
i: integer;
Saved_Recno: integer;
FoundIt: boolean;
MatchString: string;
FldNr: integer;
{$IfDef pos}
temp2: string;
{$EndIf}
begin { TForm_Browser.FindDialog1Find }
with FindDialog1 do
begin
{$IfDef Pos}
MatchString := UpperCase(FindText);
{$EndIf}
with Table1 do
begin
DisableControls;
Saved_Recno := Recno;
FoundIt := false;
FldNr := -1; // just to keep compiler happy
Next; // start searching at next record
while not EOF do
begin
for i := 0 to Fields.Count-1 do
with Fields[i] do
begin
{$IfDef Pos}
Temp2 := UpperCase(AsString);
FoundIt := Pos(MatchString, Temp2) > 0;
{$EndIf}
if FoundIt then
begin
FldNr := i;
goto FOUND_IT;
end;
end;
Next;
end;
FOUND_IT:
EnableControls;
if FoundIt then
begin
DBGrid1.SelectedField := Fields[FldNr];
FindDialog1.CloseDialog;
end
else
begin
Recno := Saved_Recno;
Error(Format('Search string "%s" could not be found', [FindText]));
end;
Table1AfterScroll(Table1); // do it with Controls Enabled
end;
end;
end; { TForm_Browser.FindDialog1Find }
procedure TForm_Browser.FindRecord1Click(Sender: TObject);
begin
FindDialog1.Execute;
end;
procedure TForm_Browser.FormClose(Sender: TObject;
var Action: TCloseAction);
begin
SaveHistoryList;
end;
procedure TForm_Browser.PackTable1Click(Sender: TObject);
begin
with Table1 do
begin
close;
Exclusive := true;
open;
Check(DbiPackTable(DBHandle, Handle, NIL, szDBASE, TRUE));
close;
Exclusive := false;
Open;
end;
end;
procedure TForm_Browser.ReBuildIndexes;
begin
with Table1 do
begin
close;
Exclusive := true;
Check(DbiSetProp(hDBIObj(Table1.Handle), curSOFTDELETEON, LongInt(true))); // include hidden records
open;
Check(DbiRegenIndexes(handle));
close;
Exclusive := false;
Open;
end;
end;
procedure TForm_Browser.DisplayMemoasText1Click(Sender: TObject);
var
aBrowseMemo: TForm;
begin
aBrowseMemo := TfrmBrowseMemo.Create(self, DataSource1, DBGrid1.SelectedField, bhAsText);
BrowseMemoList.Add(aBrowseMemo);
aBrowseMemo.Show;
end;
procedure TForm_Browser.DisplayMemoAsObjects(BrowseHow: TBrowseHow);
var
aBrowseMemo: TForm;
begin
aBrowseMemo := TfrmBrowseMemo.Create(self, DataSource1, DBGrid1.SelectedField, BrowseHow);
BrowseMemoList.Add(aBrowseMemo);
aBrowseMemo.Show;
end;
procedure TForm_Browser.DisplayMemoasObjects1Click(Sender: TObject);
begin
DisplayMemoAsObjects(bhAsObject);
end;
procedure TForm_Browser.PopupMenu1Popup(Sender: TObject);
var
b1, b2: boolean;
begin
b1 := DBGrid1.SelectedField is TBlobField;
DisplayMemoasText1.Enabled := b1;
if b1 then
begin
b2 := MemoContainsObject(DBGrid1.SelectedField);
DisplayMemoasObjects1.Enabled := b2;
end
else
DisplayMemoasObjects1.Enabled := false;
end;
procedure TForm_Browser.MovetoFirstColumn1Click(Sender: TObject);
begin
DBGrid1.SelectedField := Table1.Fields[0];
end;
procedure TForm_Browser.UpdateOpenMemoFields;
var
i: integer;
begin
for i := 0 to BrowseMemoList.Count-1 do
with TfrmBrowseMemo(BrowseMemoList[i]) do
begin
if BrowseHow = bhAsObject then
UpdateObjectMemo;
end;
end;
procedure TForm_Browser.btnGotoRecNoClick(Sender: TObject);
begin
with frmGotoRecNo do
if ShowModal = mrOk then
begin
Check(DbiSetToRecordNo(Table1.Handle, OvcNumericField1.AsInteger));
Table1.Resync([rmCenter]);
Table1AfterScroll(Table1);
end;
end;
procedure TForm_Browser.ShowDeletedRecords1Click(Sender: TObject);
begin
ShowDeletedRecords1.Checked := not ShowDeletedRecords1.Checked;
Check(DbiSetProp(hDBIObj(Table1.Handle), curSOFTDELETEON, LongInt(ShowDeletedRecords1.Checked)));
Table1.Refresh;
Table1AfterScroll(Table1);
end;
end.