-
Notifications
You must be signed in to change notification settings - Fork 14
/
rpbasereport.pas
2249 lines (2127 loc) · 57.6 KB
/
rpbasereport.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
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
{*******************************************************}
{ }
{ Report Manager }
{ }
{ The report base component, it contains }
{ subreports, pagesetup, printer selection... }
{ }
{ }
{ Copyright (c) 1994-2019 Toni Martir }
{ }
{ This file is under the MPL license }
{ If you enhace this file you must provide }
{ source code }
{ }
{ }
{*******************************************************}
// One report is composed of subreports, the report has
// page setup properties and a subreport list
// The subreports are printed in order and can have
// diferent datasources, grouping, sections etc
unit rpbasereport;
interface
{$I rpconf.inc}
uses Classes,sysutils,rptypes,rpsubreport,rpsection,rpmdconsts,
rpdatainfo,rpparams,rpeval,rptypeval,rpprintitem,rpmdbarcode,
rpmetafile,
{$IFDEF USEVARIANTS}
types,dateutils,Variants,
{$ENDIF}
rpalias,db,
{$IFDEF USEZLIB}
{$IFDEF DELPHI2009UP}
zlib,
{$ENDIF}
{$IFNDEF DELPHI2009UP}
rpmzlib,
{$ENDIF}
{$ENDIF}
{$IFDEF USERPDATASET}
rpdataset,
{$ENDIF}
{$IFDEF LINUX}
{$IFNDEF FPC}
// Libc,
{$ENDIF}
{$ENDIF}
{$IFDEF MSWINDOWS}
mmsystem,windows,
{$ENDIF}
rpmunits;
const
MILIS_PROGRESS_DEFAULT=500;
// 1 cms=574
// 0.5 cms=287
CONS_DEFAULT_GRIDWIDTH=115;
CONS_DEFAULT_GRIDCOLOR=$FF0000;
CONS_MIN_GRID_WIDTH=10;
// 29,7/2.54*1440
DEFAULT_PAGEHEIGHT=16837;
DEFAULT_PAGEWIDTH=11906;
// default Margins
// Left 1 cm, Right 1 cm, Top 1 cm Bottom 1.5 cm
DEFAULT_LEFTMARGIN=574;
DEFAULT_RIGHTMARGIN=574;
DEFAULT_BOTTOMMARGIN=861;
DEFAULT_TOPMARGIN=574;
// Minimum grid
type
TRpBaseReport=class;
TRpSubReportListItem=class;
TRpProgressEvent=procedure (Sender:TRpBaseReport;var docancel:boolean) of object;
TRpSubReportList=class(TCollection)
private
FReport:TRpBaseReport;
function GetItem(Index:Integer):TRpSubReportListItem;
procedure SetItem(index:integer;Value:TRpSubReportListItem);
public
constructor Create(rp:TRpBaseReport);
function Add:TRpSubReportListItem;
function IndexOf(Value:TRpSubReport):integer;
property Items[index:integer]:TRpSubReportListItem read GetItem write SetItem;default;
end;
TRpSubReportListItem=class(TCollectionItem)
private
FSubReport:TRpSubReport;
procedure SetSubReport(Value:TRpSubReport);
public
procedure Assign(Source:TPersistent);override;
published
property SubReport:TRpSubReport read FSubReport write SetSubReport;
end;
TIdenReportVar=class(TIdenFunction)
private
FReport:TRpBaseReport;
protected
function GetRpValue:TRpValue;override;
public
varname:string;
end;
TIdenEOF=class(TIdenFunction)
private
FReport:TRpBaseReport;
protected
function GetRpValue:TRpValue;override;
public
constructor Create(AOwner:TComponent);override;
end;
TThreadExecReport=class;
TRpBaseReport=class(TComponent)
private
FSubReports:TRpSubReportList;
FPageOrientation:TRpOrientation;
FPagesize:TRpPagesize;
FPageSizeQt:integer;
FPageWidth:TRpTwips;
FPageHeight:TRpTwips;
FCustomPageWidth:TRpTwips;
FCustomPageHeight:TRpTwips;
FPageBackColor:TRpColor;
FPreviewStyle:TRpPreviewStyle;
FPreviewWindow:TRpPreviewWindowStyle;
FPreviewMargins:Boolean;
FOnReadError:TReaderError;
FDataInfo:TRpDataInfoList;
FDatabaseInfo:TRpDatabaseInfoList;
FParams:TRpParamList;
FGridVisible:Boolean;
FGridEnabled:Boolean;
FGridColor:integer;
FGridLines:Boolean;
FGridWidth:integer;
FGridHeight:integer;
FLanguage:integer;
FMetafile:TRpMetafileReport;
FOnProgress:TRpProgressEvent;
FLeftMargin,FTopMargin,FRightMargin,FBottomMargin:TRpTwips;
FCopies:integer;
FCollateCopies:boolean;
FTwoPass:boolean;
FMilisProgres:integer;
FPrinterFonts:TRpPrinterFontsOption;
difmilis:int64;
FPrinterSelect:TRpPrinterSelect;
FPrintOnlyIfDataAvailable:Boolean;
FStreamFormat:TRpStreamFormat;
FReportAction:TRpReportActions;
FPreviewAbout:Boolean;
// Default font properties
FWFontName:widestring;
FLFontName:widestring;
FFontSize:smallint;
FFontRotation:smallint;
FFontStyle:integer;
FFontColor:integer;
FBackColor:integer;
FTransparent:Boolean;
FCutText:Boolean;
FWordWrap:Boolean;
FAlignMent:integer;
FVAlignMent:integer;
FSingleLine:boolean;
FType1Font:TRpType1Font;
FBidiModes:TStrings;
FMultiPage:Boolean;
FPrintStep:TRpSelectFontStep;
FPaperSource:Integer;
FDuplex:Integer;
FForcePaperName:String;
FLinesPerInch:Word;
fintpageindex:integer;
FOnWorkAsyncError:TWorkAsyncError;
FOnWorkProgress:TMetaFileWorkProgress;
procedure FInternalOnReadError(Reader: TReader; const Message: string;
var Handled: Boolean);
procedure SetSubReports(Value:TRpSubReportList);
procedure SetDataInfo(Value:TRpDataInfoList);
procedure SetDatabaseInfo(Value:TRpDatabaseInfoList);
procedure SetParams(Value:TRpParamList);
procedure SetGridWidth(Value:TRpTwips);
procedure SetGridHeight(Value:TRpTwips);
procedure ReadWFontName(Reader:TReader);
procedure WriteWFontName(Writer:TWriter);
procedure ReadLFontName(Reader:TReader);
procedure WriteLFontName(Writer:TWriter);
procedure SetBidiModes(Value:TStrings);
function Newlanguage(alanguage:integer):integer;
procedure StopWork;
protected
oldprintedsectionext:TPoint;
oldprintedsection:TRpSection;
printingonepass:boolean;
AbortingThread:Boolean;
FThreadExec:TThreadExecReport;
FExecuting:Boolean;
FUpdatePageSize:Boolean;
currentorientation:TRpOrientation;
lasterrorprocessing:WideString;
FTotalPagesList:TList;
FEvaluator:TRpEvaluator;
FIdentifiers:TStringList;
FAliasList:TRpAlias;
FCompose:Boolean;
FPendingSections:TStringList;
section:TRpSection;
subreport:TRpSubreport;
FRecordCount:integer;
FDriver:TRpPrintDriver;
// Identifiers
Fidenpagenum:TIdenReportVar;
Fidenlanguage:TIdenReportVar;
Fidenpagenumgroup:TIdenReportVar;
FidenEof:TIdenEof;
Fidenfreespace:TIdenReportVar;
Fidenpagewidth:TIdenReportVar;
Fidenpageheight:TIdenReportVar;
Fidenfreespacecms:TIdenReportVar;
Fidenfreespaceinch:TIdenReportVar;
Fidencurrentgroup:TIdenReportVar;
FIdenfirstsection:TIdenReportVar;
// Other
FInternalPageWidth:TRpTwips;
FInternalPageHeight:TRpTwips;
FDataAlias:TRpAlias;
pageposy,pageposx:integer;
freespace:integer;
printedsomething:Boolean;
gheaders,gfooters:TList;
FGroupHeaders:TStringList;
{$IFDEF MSWINDOWS}
mmfirst,mmlast:DWORD;
{$ENDIF}
{$IFDEF LINUX}
milifirst,mililast:TDatetime;
{$ENDIF}
rPageSizeQt:TPageSizeQt;
procedure GetChildren(Proc: TGetChildProc; Root: TComponent);override;
procedure UpdateCachedSources(alias:string);
procedure CheckProgress(finished:Boolean);
procedure FillGlobalHeaders;
procedure ClearTotalPagesList;
function OnGraphicOp(Top,Left,Width,Height:integer;
DrawStyle:integer;BrushStyle:integer;BrushColor:integer;
PenStyle:integer;PenWidth:integer; PenColor:integer):Boolean;
function OnPageOp(indexqt:integer;custom:Boolean;
customwidth,customheight,papersource:integer;
ForcePaperName:String;duplex:integer):Boolean;
function OnOrienationOp(orientation:integer):Boolean;
function OnImageOp(Top,Left,Width,Height:integer;
DrawStyle,DPIRes:integer;PreviewOnly:Boolean;Image:WideString):Boolean;
function OnBarcodeOp (Top,Left,Width,Height:integer;
Expression,DisplayFormat:WideString;BarType,Modul:Integer;Ratio,Rotation:Currency;
CalcChecksum:Boolean;BrushColor:Integer):Boolean;
function OnTextOp(Top,Left,Width,Height:integer;
Text,LFontName,WFontName:WideString;
FontSize,FontRotation,FontStyle,FontColor,Type1Font:integer;
CutText:boolean;Alignment:integer;WordWrap,RightToLeft:Boolean;
PrintStep,BackColor:integer;transparent:boolean):Boolean;
function OnTextheight(Text,LFontName,WFontName:WideString;
RectWidth,FontSize,FontStyle,Type1Font:integer;
PrintStep:integer):integer;
function ReOpenOp(datasetname:String;sql:Widestring):BOolean;
function OnParamInfo(ParamName:String;index:integer):String;
procedure CheckIfDataAvailable;
procedure UpdateParamsBeforeOpen(index:integer;doeval:boolean);
procedure DefineProperties(Filer:TFiler);override;
procedure DoPrintInternal;
property OnWorkProgress:TMetaFileWorkProgress read FOnWorkProgress write
FOnWorkProgress;
public
Errorprocessing:Boolean;
FailIfLoadExternalError:Boolean;
printing:boolean;
CurrentSubReportIndex:integer;
CurrentSectionIndex:integer;
PageNum:integer;
PageNumGroup:integer;
LastPage:Boolean;
ProgressToStdOut:Boolean;
AdoNetDriver:integer;
AsyncExecution:boolean;
maximum_width:integer;
maximum_height:integer;
TouchEnabled:Boolean;
procedure LoadExternals;virtual;
procedure AddReportItemsToEvaluator(eval:TRpEvaluator);
procedure InitEvaluator;
procedure BeginPrint(Driver:TRpPrintDriver);virtual;abstract;
procedure EndPrint;virtual;abstract;
function PrintNextPage:boolean;virtual;abstract;
procedure PrintAll(Driver:TRpPrintDriver);
property RecordCount:integer read FRecordCount;
property Metafile:TRpMetafileReport read FMetafile;
property Identifiers:TStringList read FIdentifiers;
constructor Create(AOwner:TComponent);override;
destructor Destroy;override;
procedure FreeSubreports;
function AddSubReport:TRpSubReport;
procedure DeleteSubReport(subr:TRpSubReport);
// Streaming functions and properties
procedure SaveToStream(Stream:TStream);
procedure SaveToFile(Filename:string);
procedure LoadFromStream(Stream:TStream);
procedure LoadFromFile(FileName:string);
property OnReadError:TReaderError read FOnReadError write FOnReadError;
// Design functions
procedure Createnew;
// Print functions
procedure ActivateDatasets;
procedure DeActivateDatasets;
procedure AddTotalPagesItem(apageindex,aobjectindex:integer;
adisplayformat:widestring);
function IsDotNet:boolean;
property OnWorkAsyncError:TWorkAsyncError read FOnWorkAsyncError write FOnWorkAsyncError;
property Evaluator:TRpEvaluator read FEvaluator;
procedure Compose(PrevReport:TRpBaseReport;execute:Boolean;ADriver:TRpPrintDriver);
property OnProgress:TRpProgressEvent read FOnProgress write FOnProgress;
property AliasList:TRpAlias read FAliasList write FAliasList;
property idenpagenum:TIdenReportVar read fidenpagenum;
property idenlanguage:TIdenReportVar read fidenlanguage;
property ideneof:TIdenEof read fideneof;
property idenfreespace:TIdenReportVar read fidenfreespace;
property idenfreespacecms:TIdenReportVar read fidenfreespacecms;
property idenfreespaceinch:TIdenReportVar read fidenfreespaceinch;
property idencurrentgroup:TIdenReportVar read fidencurrentgroup;
property MilisProgres:integer read FMilisProgres write FMilisProgres
default MILIS_PROGRESS_DEFAULT;
procedure AlignSectionsTo(linesperinch:integer);
procedure SetLanguage(index:integer);
procedure PrepareParamsBeforeOpen;
procedure AssignDefaultFontTo(aitem:TRpGenTextComponent);
procedure GetDefaultFontFrom(aitem:TRpGenTextComponent);
function GetSQLValue(connectionname,sql:String):Variant;
function RequestPage(pageindex:integer):boolean;
function CheckParameters(paramlist:TRpParamList;var paramname,amessage:string):Boolean;
// Default Font properties
property WFontName:widestring read FWFontName write FWFontName;
property LFontName:widestring read FLFontName write FLFontName;
published
property GridVisible:Boolean read FGridVisible write FGridVisible default true;
property GridLines:Boolean read FGridLines write FGridLines default false;
property GridEnabled:Boolean read FGridEnabled write FGridEnabled default true;
property GridColor:integer read FGridColor write FGridColor default CONS_DEFAULT_GRIDCOLOR;
property GridWidth:TRpTwips read FGridWidth write SetGridWidth default CONS_DEFAULT_GRIDWIDTH;
property GridHeight:TRpTwips read FGridHeight write SetGridHeight default CONS_DEFAULT_GRIDWIDTH;
// PageSetup properties
property PageOrientation:TRpOrientation read FPageOrientation
write FPageOrientation default rpOrientationDefault;
property Pagesize:TRpPageSize read FPagesize write FPageSize
default rpPageSizeDefault;
property PagesizeQt:integer read FPagesizeQt write FPageSizeQt
default 0;
property PageHeight:TRpTwips read FPageHeight write FPageHeight
default DEFAULT_PAGEHEIGHT;
property PageWidth:TRpTwips read FPageWidth write FPageWidth
default DEFAULT_PAGEWIDTH;
property CustomPageHeight:TRpTwips read FCustomPageHeight write FCustomPageHeight
default DEFAULT_PAGEHEIGHT;
property CustomPageWidth:TRpTwips read FCustomPageWidth write FCustomPageWidth
default DEFAULT_PAGEWIDTH;
property PageBackColor:TRpColor read FPageBackColor write FPageBackColor;
property PreviewStyle:TRpPreviewStyle read FPreviewStyle
write FPreviewStyle default spWide;
property PreviewMargins:Boolean read FPreviewMargins
write FPreviewMargins default false;
property PreviewWindow:TRpPreviewWindowStyle read FPreviewWindow
write FPreviewWindow default spwNormal;
property LeftMargin:TRpTwips read FLeftMargin write FLeftMargin
default DEFAULT_LEFTMARGIN;
property TopMargin:TRpTwips read FTopMargin write FTopMargin
default DEFAULT_TOPMARGIN;
property RightMargin:TRpTwips read FRightMargin write FRightMargin
default DEFAULT_RIGHTMARGIN;
property BottomMargin:TRpTwips read FBottomMargin write FBottomMargin
default DEFAULT_BOTTOMMARGIN;
property PrinterSelect:TRpPrinterSelect read FPrinterSelect write FPrinterSelect
default pRpDefaultPrinter;
// Subreports
property SubReports:TRpSubReportList read FSubReports write SetSubReports;
property DataInfo:TRpDataInfoList read FDataInfo write SetDataInfo;
property DatabaseInfo:TRpDatabaseInfoList read FDatabaseInfo write SetDatabaseInfo;
property Params:TRpParamList read FParams write SetParams;
// Language
property Language:integer read FLanguage write SetLanguage default -1;
// Other
property Copies:integer read FCopies write FCopies default 1;
property CollateCopies:boolean read FCollateCopies write FCollateCopies default false;
property TwoPass:boolean read FTwoPass write FTwoPass default false;
property PrinterFonts:TRpPrinterFontsOption read FPrinterFonts
write FPrinterFonts default rppfontsdefault;
property PrintOnlyIfDataAvailable:Boolean read FPrintOnlyIfDataAvailable
write FPrintOnlyIfDataAvailable default false;
property StreamFormat:TRpStreamFormat read FStreamFormat
write FStreamFormat;
property ReportAction:TRpReportActions read FReportAction write FReportAction;
property PreviewAbout:Boolean read FPreviewAbout write FPreviewAbout
default true;
// Default font props
property Type1Font:TRpType1Font read FType1Font write FType1Font;
property FontSize:smallint read FFontSize write FFontSize default 10;
property FontRotation:smallint read FFontRotation write FFontRotation default 0;
property FontStyle:integer read FFontStyle write FFontStyle default 0;
property FontColor:integer read FFontColor write FFontColor default 0;
property BackColor:integer read FBackColor write FBackColor default $FFFFFF;
property Transparent:Boolean read FTransparent write FTransparent default true;
property CutText:Boolean read FCutText write FCutText default false;
property Alignment:integer read FAlignment write FAlignment default 0;
property VAlignment:integer read FVAlignment write FVAlignment default 0;
property WordWrap:Boolean read FWordWrap write FWordWrap default false;
property SingleLine:boolean read FSingleLine write FSingleLine default false;
property BidiModes:TStrings read FBidiModes write SetBidiModes;
property MultiPage:Boolean read FMultiPage write FMultiPage default false;
property PrintStep:TRpSelectFontStep read FPrintStep write FPrintStep
default rpselectsize;
// Paper source
property PaperSource:Integer read FPaperSource write FPaperSource default 0;
property Duplex:Integer read FDuplex write FDuplex default 0;
property ForcePaperName:String read FForcePaperName write FForcePaperName;
// Interline
property LinesPerInch:Word read FLinesPerInch write FLinesPerInch default 600;
end;
TThreadExecReport=class(TThread)
public
report:TRpBaseReport;
docancel:boolean;
procedure Execute;override;
procedure DoProgress;
end;
implementation
uses rpxmlstream,rplabelitem,rpmdchart;
function TIdenReportVar.GeTRpValue:TRpValue;
var
subrep:TRpSubReport;
begin
Result:=Null;
if ((varname='PAGE') or (varname='PAGINA')) then
Result:=freport.PageNum+1
else
if ((varname='PAGENUM') or (varname='NUMPAGINA')) then
Result:=freport.PageNumGroup+1
else
if varname='FREE_SPACE_TWIPS' then
Result:=freport.freespace
else
if varname='FREE_SPACE_CMS' then
Result:=twipstocms(freport.freespace)
else
if varname='FREE_SPACE_INCH' then
Result:=twipstoinchess(freport.freespace)
else
if varname='CURRENTGROUP' then
begin
if freport.CurrentSubreportIndex>=freport.Subreports.Count then
subrep:=freport.Subreports.Items[freport.CurrentSubreportIndex-1].SubReport
else
subrep:=freport.Subreports.Items[freport.CurrentSubreportIndex].SubReport;
if subrep.LastRecord then
Result:=subrep.GroupCount
else
Result:=subrep.CurrentGroupIndex;
end
else
if varname='FIRSTSECTION' then
begin
Result:=not freport.printedsomething;
end
else
if varname='PAGEWIDTH' then
begin
Result:=freport.FInternalPageWidth;
end
else
if varname='PAGEHEIGHT' then
begin
Result:=freport.FInternalPageHeight;
end
else
if varname='LANGUAGE' then
begin
Result:=freport.FLanguage;
end;
end;
// Constructors and destructors
constructor TRpBaseReport.Create(AOwner:TComponent);
begin
inherited Create(AOwner);
FLinesPerInch:=600;
FPaperSource:=0;
FDuplex:=0;
FPreviewMargins:=false;
FGroupHeaders:=TStringList.Create;
FPreviewAbout:=true;
FStreamFormat:=rpStreamtext;
gheaders:=TList.Create;
gfooters:=TList.Create;
FailIfLoadExternalError:=True;
FMilisProgres:=MILIS_PROGRESS_DEFAULT;
FLanguage:=-1;
FCopies:=1;
FPageOrientation:=rpOrientationDefault;
// Means default pagesize
FPagesize:=rpPageSizeDefault;
FLeftMargin:=DEFAULT_LEFTMARGIN;
FRightMargin:=DEFAULT_RIGHTMARGIN;
FBottomMargin:=DEFAULT_BOTTOMMARGIN;
FTopMargin:=DEFAULT_TOPMARGIN;
// Means white
FPageBackColor:=$FFFFFF;
FPageWidth:=DEFAULT_PAGEWIDTH;
FPageheight:=DEFAULT_PAGEHEIGHT;
FCustomPageWidth:=DEFAULT_PAGEWIDTH;
FCustomPageheight:=DEFAULT_PAGEHEIGHT;
FPreviewStyle:=spWide;
// Def values of grid
FGridVisible:=True;
FGridEnabled:=True;
FGridColor:=CONS_DEFAULT_GRIDCOLOR;
FGridLines:=False;
FGridWidth:=CONS_DEFAULT_GRIDWIDTH;
FGridHeight:=CONS_DEFAULT_GRIDWIDTH;
FPendingSections:=TStringList.Create;
// Subreports
FSubReports:=TRpSubReportList.Create(Self);
// Data Info
FDataInfo:=TRpDataInfoList.Create(Self);
FDatabaseInfo:=TRpDatabaseInfoList.Create(Self);
FParams:=TRpParamList.Create(Self);
// Identifiers
FIdentifiers:=TStringList.Create;
FIdentifiers.Sorted:=true;
FIdentifiers.Duplicates:=dupError;
// Pagenum
FIdenPagenum:=TIdenReportVar.Create(nil);
Fidenpagenum.FReport:=self;
FidenPagenum.varname:='PAGE';
FIdenLanguage:=TIdenReportVar.Create(nil);
FIdenLanguage.FReport:=self;
FIdenLanguage.varname:='LANGUAGE';
FIdenPagenumgroup:=TIdenReportVar.Create(nil);
Fidenpagenumgroup.FReport:=self;
FidenPagenumgroup.varname:='PAGENUM';
FIdenfreespace:=TIdenReportVar.Create(nil);
Fidenfreespace.varname:='FREE_SPACE_TWIPS';
Fidenfreespace.FReport:=self;
FIdenpagewidth:=TIdenReportVar.Create(nil);
Fidenpagewidth.varname:='PAGEWIDTH';
Fidenpagewidth.FReport:=self;
FIdenpageheight:=TIdenReportVar.Create(nil);
Fidenpageheight.varname:='PAGEHEIGHT';
Fidenpageheight.FReport:=self;
FIdenfreespacecms:=TIdenReportVar.Create(nil);
Fidenfreespacecms.varname:='FREE_SPACE_CMS';
Fidenfreespacecms.FReport:=self;
FIdenfreespaceinch:=TIdenReportVar.Create(nil);
Fidenfreespaceinch.varname:='FREE_SPACE_INCH';
Fidenfreespaceinch.FReport:=self;
FIdencurrentgroup:=TIdenReportVar.Create(nil);
Fidencurrentgroup.varname:='CURRENTGROUP';
Fidencurrentgroup.FReport:=self;
FIdenfirstsection:=TIdenReportVar.Create(nil);
Fidenfirstsection.varname:='FIRSTSECTION';
FidenFirstSection.FReport:=self;
FIdeneof:=TIdenEOF.Create(nil);
Fideneof.FReport:=self;
// Metafile
FMetafile:=TRpMetafileReport.Create(nil);
metafile.OnRequestPage:=RequestPage;
FOnWorkProgress:=metafile.WorkProgress;
OnWorkAsyncError:=metafile.WorkAsyncError;
metafile.OnStopWork:=StopWork;
FDataAlias:=TRpAlias.Create(nil);
FTotalPagesList:=TList.Create;
// Other
FPrinterFonts:=rppfontsdefault;
FReportAction:=[];
// Default font
FLFontName:='Helvetica';
FWFontName:='Arial';
FontSize:=10;
FontRotation:=0;
FontStyle:=0;
FontColor:=0;
FBackColor:=$FFFFFF;
FTransparent:=true;
FCutText:=false;
FBidiModes:=TStringList.Create;
//
InitEvaluator;
end;
procedure TRpBaseReport.FillGlobalHeaders;
var
subrep:TRpSubReport;
i,j:integer;
k:integer;
begin
gheaders.clear;
gfooters.clear;
for i:=0 to Subreports.Count-1 do
begin
subrep:=SubReports.Items[i].SubReport;
j:=subrep.FirstPageHeader;
for k:=0 to subrep.PageHeaderCount-1 do
begin
if subrep.Sections[j+k].Section.Global then
gheaders.Add(subrep.Sections[j+k].Section);
end;
j:=subrep.FirstPageFooter;
for k:=0 to subrep.PageFooterCount-1 do
begin
if subrep.Sections[j+k].Section.Global then
gfooters.Add(subrep.Sections[j+k].Section);
end;
end;
end;
procedure TRpBaseReport.SetGridWidth(Value:TRpTwips);
begin
if Value<CONS_MIN_GRID_WIDTH then
Value:=CONS_MIN_GRID_WIDTH;
FGridWidth:=Value;
end;
procedure TRpBaseReport.SetGridHeight(Value:TRpTwips);
begin
if Value<CONS_MIN_GRID_WIDTH then
Value:=CONS_MIN_GRID_WIDTH;
FGridHeight:=Value;
end;
procedure TRpBaseReport.AddTotalPagesItem(apageindex,aobjectindex:integer;
adisplayformat:widestring);
var
aobject:TTotalPagesObject;
begin
aobject:=TTotalPagesObject.Create;
FTotalPagesList.Add(aobject);
aobject.PageIndex:=apageindex;
aobject.ObjectIndex:=aobjectindex;
aobject.DisplayFormat:=adisplayformat;
end;
procedure TRpBaseReport.ClearTotalPagesList;
var
i:integer;
begin
for i:=0 to FTotalPagesList.Count-1 do
begin
TObject(FTotalPagesList.Items[i]).Free;
end;
FTotalPagesList.Clear;
end;
destructor TRpBaseReport.Destroy;
begin
if (FExecuting) then
begin
AbortingThread:=false;
{$IFDEF MSWINDOWS}
WaitForSingleObject(FThreadExec.Handle,INFINITE);
{$ENDIF}
{$IFDEF LINUX}
FThreadExec.WaitFor;
{$ENDIF}
end;
FGroupHeaders.free;
gheaders.free;
gfooters.free;
FPendingSections.Free;
FSubReports.free;
FDataInfo.free;
FDatabaseInfo.free;
FParams.free;
FIdentifiers.free;
FMetafile.Free;
FDataAlias.Free;
FIdenPagenum.free;
FIdenPagenumgroup.free;
Fidenfreespace.free;
FIdenPagewidth.free;
FIdenPageHeight.free;
FIdenCurrentGroup.free;
FIdenFirstSection.free;
Fidenfreespacecms.free;
FBidiModes.free;
Fidenfreespaceinch.free;
FIdenLanguage.free;
FIdenEof.free;
ClearTotalPagesList;
FTotalPagesList.free;
if Assigned(FEvaluator) then
begin
FEvaluator.free;
FEvaluator:=nil;
end;
inherited destroy;
end;
// Streaming procedures
// GetChildren helps streaming the subreports
procedure TRpBaseReport.GetChildren(Proc: TGetChildProc; Root: TComponent);
var
I: Integer;
OwnedComponent: TComponent;
// rpsubreport:TRpSubReport;
begin
inherited GetChildren(Proc, Root);
if Root = Self then
for I := 0 to ComponentCount - 1 do
begin
OwnedComponent := Components[I];
if not OwnedComponent.HasParent then
Proc(OwnedComponent);
// if OwnedComponent is TRpSubReport then
// begin
// if subreport.
// Proc(OwnedComponent);
// end;
end;
end;
procedure TRpBaseReport.SaveToStream(Stream:TStream);
var
{$IFDEF USEZLIB}
zstream:TCompressionStream;
{$ENDIF}
theformat:TRpStreamFormat;
memstream:TMemoryStream;
forcexml:boolean;
i:integer;
begin
// restore parameters initial values
Params.RestoreInitialValues;
theformat:=FStreamFormat;
forcexml:=false;
for i:=0 to DatabaseInfo.Count-1 do
begin
if DatabaseInfo.Items[i].Driver in [rpdatadriver,rpdotnet2driver] then
begin
forcexml:=true;
break;
end;
end;
if (forcexml) then
if ((theformat<>rpStreamXML) AND (theformat<>rpStreamXMLZLib)) then
theformat:=rpStreamXML;
if (Subreports.Count<1) then
begin
AddSubReport;
end;
{$IFNDEF USEZLIB}
if theformat=rpStreamZLib then
theformat:=rpStreambinary;
{$ENDIF}
{$IFDEF USEZLIB}
if theformat=rpStreamZLib then
begin
zstream:=TCompressionStream.Create(clDefault,Stream);
try
zstream.WriteComponent(Self);
finally
zstream.free;
end;
end
else
if theformat=rpStreamXMLZLib then
begin
zstream:=TCompressionStream.Create(clDefault,Stream);
try
memstream:=TMemorystream.Create;
try
WriteReportXML(Self,memstream);
memstream.Seek(0,soFromBeginning);
CopyStreamContent(memstream, zstream);
// zstream.CopyFrom(memstream,memstream.size);
finally
memstream.free;
end;
finally
zstream.free;
end;
end
else
{$ENDIF}
if theformat=rpStreamBinary then
begin
Stream.WriteComponent(Self);
end
else
if theformat=rpStreamXML then
begin
WriteReportXML(Self,Stream);
end
else
begin
memstream:=TMemoryStream.Create;
try
memstream.WriteComponent(Self);
memstream.Seek(0,soFromBeginning);
ObjectBinaryToText(memstream,Stream);
finally
memstream.free;
end;
end;
end;
procedure TRpBaseReport.FreeSubreports;
var
i:integer;
begin
// If it's destroying left do the work
if (csDestroying in ComponentState) then
exit;
// Frees all the reports
for i:=0 to FSubreports.Count-1 do
begin
FSubReports.Items[i].FSubReport.Free;
end;
FSubReports.Clear;
end;
function TRpBaseReport.AddSubReport:TRpSubReport;
var
it:TRpSubReportListItem;
begin
it:=SubReports.Add;
it.FSubReport:=TRpSubreport.Create(Self);
Generatenewname(it.FSubReport);
it.FSubReport.CreateNew;
Result:=it.FSubReport;
end;
procedure TRpBaseReport.CreateNew;
begin
// Creates a new default report
FreeSubreports;
AddSubReport;
end;
procedure TRpBaseReport.SaveToFile(Filename:string);
var
fstream:TFileStream;
begin
fstream:=TFileStream.Create(Filename,fmCreate);
try
SaveToStream(fstream);
finally
fstream.free;
end;
end;
procedure TRpBaseReport.LoadFromFile(FileName:string);
var
stream:TFileStream;
begin
stream:=TFileStream.Create(Filename,fmOpenRead or fmShareDenyWrite);
try
LoadFromStream(stream);
finally
stream.free;
end;
end;
procedure TRpBaseReport.LoadFromStream(Stream:TStream);
var
reader:TReader;
memstream,amemstream:TMemoryStream;
readed:integer;
buf:array of Byte;
{$IFDEF USEZLIB}
zlibs:TDeCompressionStream;
{$ENDIF}
theformat:TRpStreamFormat;
firstchar:char;
first:boolean;
begin
// FreeSubrepots
FreeSubreports;
MemStream:=TMemoryStream.Create;
try
firstchar:=chr(0);
first:=false;
// Copy to memory stream
SetLength(buf,120000);
repeat
{$IFDEF DOTNETD}
readed:=Stream.Read(buf,120000);
memstream.Write(buf,readed);
{$ENDIF}
{$IFNDEF DOTNETD}
readed:=Stream.Read(buf[0],120000);
memstream.Write(buf[0],readed);
{$ENDIF}
if ((readed>0) and (not first)) then
begin
first:=true;
firstchar:=char(buf[0]);
end;
until readed<120000;
memstream.Seek(0,soFrombeginning);
// Looks stream type
if (memstream.size<1) then
Raise Exception.Create(SRpStreamFormat);
if firstchar='x' then
theformat:=rpStreamzlib
else
if firstchar='o' then
theformat:=rpStreamText
else
if firstchar='<' then
theformat:=rpStreamXML
else
theformat:=rpStreambinary;
{$IFNDEF USEZLIB}
if theformat=rpStreamzlib then
Raise Exception.Create(SRpZLibNotSupported);
{$ENDIF}
{$IFDEF USEZLIB}
if theformat=rpStreamzlib then
begin
amemstream:=TMemoryStream.Create;
try
zlibs:=TDeCompressionStream.Create(MemStream);
try
// Decompress
repeat
readed:=zlibs.Read(buf[0],120000);
amemstream.Write(buf[0],readed);
until readed<120000;
amemstream.Seek(0,soFromBeginning);
// Check if is xml
if PAnsiChar(amemstream.memory)^='<' then
begin
ReadReportXML(self,amemstream);
end
else
begin
reader:=TReader.Create(amemstream,1000);
try
reader.OnError:=FInternalOnReadError;
reader.ReadRootComponent(Self);
finally
reader.free;
end;
end;
finally
zlibs.Free;
end;
finally
amemstream.free;
end;
end
else
{$ENDIF}
if theformat=rpStreambinary then
begin
reader:=TReader.Create(memstream,1000);
try
reader.OnError:=FInternalOnReadError;
reader.ReadRootComponent(Self);
finally
reader.free;
end;
end
else
if theformat=rpStreamXML then
begin
ReadReportXML(self,memstream);
end