source: branches/2.20_branch/Components/CustomHeaderControl.pas@ 442

Last change on this file since 442 was 15, checked in by RBRi, 19 years ago

+ components stuff
  • Property svn:eol-style set to native
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Line 
1Unit CustomHeaderControl;
2
3// Modified Header control.
4// Improved and simplified drawing of sections
5// ... ReadSCUResource clears the sections list
6// Copied property editor from IDE code. Since translation
7// is too confusing converted to english only.
8Interface
9
10Uses
11 Messages,Classes,Forms,Graphics,Buttons,ExtCtrls,Dos;
12
13Type
14 TCustomHeaderSectionsPropertyEditor=CLASS(TClassPropertyEditor)
15 PUBLIC
16 FUNCTION Execute(VAR ClassToEdit:TObject):TClassPropertyEditorReturn;OVERRIDE;
17 END;
18
19
20 TCustomHeaderControl=Class;
21
22 {$M+}
23 TCustomHeaderSectionStyle=(hsText,hsOwnerDraw);
24 {$M-}
25
26 TCustomHeaderSection=Class(TCollectionItem)
27 Private
28 FText:PString;
29 FWidth:LongInt;
30 FMinWidth:LongInt;
31 FMaxWidth:LongInt;
32 FAlignment:TAlignment;
33 FStyle:TCustomHeaderSectionStyle;
34 FAllowClick:Boolean;
35 FAllowSize:Boolean;
36 Private
37 Function GetText:String;
38 Procedure SetText(Const NewValue:String);
39 Procedure SetWidth(NewValue:LongInt);
40 Function GetLeft:LongInt;
41 Function GetRight:LongInt;
42 Procedure SetStyle(NewValue:TCustomHeaderSectionStyle);
43 Procedure SetAlignment(NewValue:TAlignment);
44 Procedure SetMaxWidth(NewValue:LongInt);
45 Procedure SetMinWidth(NewValue:LongInt);
46 Public
47 Constructor Create(ACollection:TCollection);Override;
48 Destructor Destroy;Override;
49 Procedure Assign(Source:TCollectionItem);Override;
50 Public
51 Property Left:LongInt Read GetLeft;
52 Property Right:LongInt Read GetRight;
53 Published
54 Property Text:String Read GetText Write SetText;
55 Property Width:LongInt Read FWidth Write SetWidth;
56 Property MinWidth:LongInt Read FMinWidth Write SetMinWidth;
57 Property MaxWidth:LongInt Read FMaxWidth Write SetMaxWidth;
58 Property Alignment:TAlignment Read FAlignment Write SetAlignment;
59 Property AllowClick:Boolean Read FAllowClick Write FAllowClick;
60 Property AllowSize:Boolean Read FAllowSize Write FAllowSize;
61 Property Style:TCustomHeaderSectionStyle Read FStyle Write SetStyle;
62 End;
63
64 {$HINTS OFF}
65 TCustomHeaderSections=Class(TCollection)
66 Private
67 FHeaderControl:TCustomHeaderControl;
68 Function GetItem(Index:LongInt):TCustomHeaderSection;
69 Procedure SetItem(Index:LongInt;NewValue:TCustomHeaderSection);
70 Public
71 Procedure Update(Item:TCollectionItem);Override;
72 Procedure SetupComponent;Override;
73 Function Add:TCustomHeaderSection;
74 Public
75 Property Items[Index:LongInt]:TCustomHeaderSection Read GetItem Write SetItem;Default;
76 Property HeaderControl:TCustomHeaderControl Read FHeaderControl;
77 End;
78 {$HINTS ON}
79 TCustomHeaderSectionsClass=Class Of TCustomHeaderSections;
80
81 {$M+}
82 TSectionTrackState=(tsTrackBegin,tsTrackMove,tsTrackEnd);
83
84 TCustomHeaderSectionNotifyEvent=Procedure(HeaderControl:TCustomHeaderControl;section:TCustomHeaderSection) Of Object;
85 TDrawSectionEvent=Procedure(HeaderControl:TCustomHeaderControl;section:TCustomHeaderSection;
86 Const rc:TRect;Pressed:Boolean) Of Object;
87 TSectionTrackEvent=Procedure(HeaderControl:TCustomHeaderControl;section:TCustomHeaderSection;
88 Width:LongInt;State:TSectionTrackState) Of Object;
89
90 TCustomHeaderControl=Class(TControl)
91 Private
92 FSections:TCustomHeaderSections;
93 FSpacing:LongInt;
94 FOnDrawSection:TDrawSectionEvent;
95 FOnSectionClick:TCustomHeaderSectionNotifyEvent;
96 FOnSectionResize:TCustomHeaderSectionNotifyEvent;
97 FOnSectionTrack:TSectionTrackEvent;
98 FSectionTrackState:TSectionTrackState;
99 FClickSection:TCustomHeaderSection;
100 FClickBase:TCustomHeaderSection;
101 FSizeStartX:LongInt;
102 FSizeX:LongInt;
103 FSizeSection:TCustomHeaderSection;
104 FBevelWidth:LongInt;
105 FShape:TCursor;
106 FSectionsClass:TCustomHeaderSectionsClass;
107 Private
108 Procedure SetSections(NewValue:TCustomHeaderSections);
109 Procedure SetSpacing(NewValue:LongInt);
110 Procedure SetBevelWidth(NewValue:LongInt);
111 Function GetSections:TCustomHeaderSections;
112 Protected
113 Function GetMouseHeader(X,Y:LongInt):TCustomHeaderSection;Virtual;
114 Procedure UpdateHeader(Header:TCustomHeaderSection);Virtual;
115 Procedure DrawSection(section:TCustomHeaderSection;Const rc:TRect;Pressed:Boolean);Virtual;
116 Procedure SectionClick(section:TCustomHeaderSection);Virtual;
117 Procedure SectionResize(section:TCustomHeaderSection);Virtual;
118 Procedure SectionTrack(section:TCustomHeaderSection;Width:LongInt;State:TSectionTrackState);Virtual;
119 Procedure SetupComponent;Override;
120 Destructor Destroy;Override;
121 Procedure MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
122 Procedure MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
123 Procedure MouseMove(ShiftState:TShiftState;X,Y:LongInt);Override;
124 Procedure MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);Override;
125 Protected
126 Property ClickSection:TCustomHeaderSection read FClickSection write FClickSection;
127 Public
128 Procedure Redraw(Const rec:TRect);Override;
129 Procedure ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);Override;
130 Function WriteSCUResource(Stream:TResourceStream):Boolean;Override;
131 Public
132 Property SectionsClass:TCustomHeaderSectionsClass read FSectionsClass write FSectionsClass;
133 Published
134 Property Align;
135 Property BevelWidth:LongInt Read FBevelWidth Write SetBevelWidth;
136 Property DragCursor;
137 Property DragMode;
138 Property Enabled;
139 Property Font;
140 Property Sections:TCustomHeaderSections Read GetSections Write SetSections;
141 Property ShowHint;
142 Property ParentFont;
143 Property ParentShowHint;
144 Property PopupMenu;
145 Property Spacing:LongInt Read FSpacing Write SetSpacing;
146 Property TabOrder;
147 Property TabStop;
148 Property OnDragDrop;
149 Property OnDragOver;
150 Property OnStartDrag;
151 Property OnEndDrag;
152 Property OnMouseDown;
153 Property OnMouseMove;
154 Property OnMouseUp;
155 Property OnSectionClick:TCustomHeaderSectionNotifyEvent Read FOnSectionClick Write FOnSectionClick;
156 Property OnDrawSection:TDrawSectionEvent Read FOnDrawSection Write FOnDrawSection;
157 Property OnSectionResize:TCustomHeaderSectionNotifyEvent Read FOnSectionResize Write FOnSectionResize;
158 Property OnSectionTrack:TSectionTrackEvent Read FOnSectionTrack Write FOnSectionTrack;
159 End;
160
161exports
162 TCustomHeaderControl, 'User', 'CustomHeaderControl.bmp';
163
164Implementation
165
166Uses
167 PmWin, Dialogs, StdCtrls, SysUtils;
168
169procedure DrawBevel( Canvas: TCanvas;
170 BevelRc: TRect;
171 BevelWidth: longint;
172 Sunken: boolean );
173var
174 offs: longint;
175 PointsArray: Array[0..5] Of TPoint;
176 OldPenColor: TColor;
177begin
178 If BevelWidth > 1 Then
179 Begin
180 OldPenColor:= Canvas.Pen.Color;
181 offs := BevelWidth-1;
182 PointsArray[0] := Point(bevelrc.Left,bevelrc.Bottom);
183 PointsArray[1] := Point(bevelrc.Left+offs,bevelrc.Bottom+offs);
184 PointsArray[2] := Point(bevelrc.Left+offs,bevelrc.Top-offs);
185 PointsArray[3] := Point(bevelrc.Right-offs,bevelrc.Top-offs);
186 PointsArray[4] := Point(bevelrc.Right,bevelrc.Top);
187 PointsArray[5] := Point(bevelrc.Left,bevelrc.Top);
188 if Sunken then
189 Canvas.Pen.color := clDkGray
190 else
191 Canvas.Pen.color := clWhite;
192 Canvas.Polygon(PointsArray);
193 PointsArray[2] := Point(bevelrc.Right-offs,bevelrc.Bottom+offs);
194 PointsArray[3] := Point(bevelrc.Right-offs,bevelrc.Top-offs);
195 PointsArray[4] := Point(bevelrc.Right,bevelrc.Top);
196 PointsArray[5] := Point(bevelrc.Right,bevelrc.Bottom);
197 if Sunken then
198 Canvas.Pen.color := clWhite
199 else
200 Canvas.Pen.color := clDkGray;
201 Canvas.Polygon(PointsArray);
202 Canvas.Pen.color:= OldPenColor;
203 End
204 Else
205 if Sunken then
206 Canvas.ShadowedBorder(bevelrc,clDkGray,clWhite)
207 else
208 Canvas.ShadowedBorder(bevelrc,clWhite,clDkGray);
209end;
210
211
212{
213ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
214º º
215º Speed-Pascal/2 Version 2.0 º
216º º
217º Speed-Pascal Component Classes (SPCC) º
218º º
219º This section: TCustomHeaderControl Class Implementation º
220º º
221º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
222º º
223ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
224}
225
226Function TCustomHeaderSection.GetText:String;
227Begin
228 If FText<>Nil Then Result:=FText^
229 Else Result:='';
230End;
231
232Procedure TCustomHeaderSection.SetText(Const NewValue:String);
233Begin
234 If FText<>Nil Then
235 Begin
236 If FText^=NewValue Then Exit;
237 FreeMem(FText,Length(FText^)+1);
238 End;
239 GetMem(FText,Length(NewValue)+1);
240 FText^:=NewValue;
241 changed(False);
242End;
243
244Procedure TCustomHeaderSection.SetWidth(NewValue:LongInt);
245Begin
246 If NewValue<FMinWidth Then NewValue:=FMinWidth;
247 If NewValue>FMaxWidth Then NewValue:=FMaxWidth;
248 If NewValue=FWidth Then Exit;
249 FWidth:=NewValue;
250 changed(True);
251End;
252
253Function TCustomHeaderSection.GetLeft:LongInt;
254Var T:LongInt;
255 Sections:TCustomHeaderSections;
256Begin
257 Result:=0;
258 Sections:=TCustomHeaderSections(collection);
259 If Sections<>Nil Then For T:=0 To Index-1 Do
260 Begin
261 Inc(Result,Sections[T].Width);
262 If Sections.FHeaderControl<>Nil Then Inc(Result,Sections.FHeaderControl.FSpacing);
263 End;
264End;
265
266Function TCustomHeaderSection.GetRight:LongInt;
267Begin
268 Result:=Left+Width;
269End;
270
271Procedure TCustomHeaderSection.SetStyle(NewValue:TCustomHeaderSectionStyle);
272Begin
273 If NewValue=FStyle Then Exit;
274 FStyle:=NewValue;
275 changed(False);
276End;
277
278Procedure TCustomHeaderSection.SetAlignment(NewValue:TAlignment);
279Begin
280 If NewValue=FAlignment Then Exit;
281 FAlignment:=NewValue;
282 changed(False);
283End;
284
285Procedure TCustomHeaderSection.SetMaxWidth(NewValue:LongInt);
286Begin
287 If NewValue>10000 Then NewValue:=10000;
288 If NewValue<FMinWidth Then NewValue:=FMinWidth;
289 FMaxWidth:=NewValue;
290 Width:=FWidth; //Update
291End;
292
293Procedure TCustomHeaderSection.SetMinWidth(NewValue:LongInt);
294Begin
295 If NewValue<0 Then NewValue:=0;
296 If NewValue>FMaxWidth Then NewValue:=FMaxWidth;
297 FMinWidth:=NewValue;
298 Width:=FWidth; //Update
299End;
300
301Constructor TCustomHeaderSection.Create(ACollection:TCollection);
302Begin
303 FWidth:=100;
304 FMinWidth:=0;
305 FMaxWidth:=10000;
306 FAlignment:=taLeftJustify;
307 FStyle:=hsText;
308 FAllowClick:=True;
309 FAllowSize:=True;
310 Inherited Create(ACollection);
311End;
312
313Destructor TCustomHeaderSection.Destroy;
314Begin
315 If FText<>Nil Then FreeMem(FText,Length(FText^)+1);
316
317 Inherited Destroy;
318End;
319
320Procedure TCustomHeaderSection.Assign(Source:TCollectionItem);
321Begin
322 If Source Is TCustomHeaderSection Then
323 If Source<>Self Then
324 Begin
325 FMinWidth:=TCustomHeaderSection(Source).MinWidth;
326 FMaxWidth:=TCustomHeaderSection(Source).MaxWidth;
327 FAlignment:=TCustomHeaderSection(Source).Alignment;
328 FStyle:=TCustomHeaderSection(Source).Style;
329 FAllowClick:=TCustomHeaderSection(Source).AllowClick;
330 FAllowSize:=TCustomHeaderSection(Source).AllowSize;
331 Width:=TCustomHeaderSection(Source).Width;
332 Text:=TCustomHeaderSection(Source).Text;
333 End;
334End;
335
336{
337ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
338º º
339º Speed-Pascal/2 Version 2.0 º
340º º
341º Speed-Pascal Component Classes (SPCC) º
342º º
343º This section: TCustomHeaderSections Class Implementation º
344º º
345º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
346º º
347ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
348}
349
350Function TCustomHeaderSections.GetItem(Index:LongInt):TCustomHeaderSection;
351Var dummy:TCollectionItem;
352Begin
353 dummy:=Inherited GetItem(Index);
354 Result:=TCustomHeaderSection(dummy);
355End;
356
357Procedure TCustomHeaderSections.SetItem(Index:LongInt;NewValue:TCustomHeaderSection);
358Begin
359 Inherited SetItem(Index,NewValue);
360End;
361
362Procedure TCustomHeaderSections.Update(Item:TCollectionItem);
363Begin
364 If FHeaderControl=Nil Then Exit;
365 If Item=Nil Then FHeaderControl.Invalidate
366 Else FHeaderControl.UpdateHeader(TCustomHeaderSection(Item));
367End;
368
369Procedure TCustomHeaderSections.SetupComponent;
370Begin
371 Inherited SetupComponent;
372
373 Name:='HeaderSections';
374 If Owner Is TCustomHeaderControl Then FHeaderControl:=TCustomHeaderControl(Owner);
375 ItemClass:=TCustomHeaderSection;
376End;
377
378Function TCustomHeaderSections.Add:TCustomHeaderSection;
379Var dummy:TCollectionItem;
380Begin
381 dummy:=Inherited Add;
382 Result:=TCustomHeaderSection(dummy);
383End;
384
385{
386ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
387º º
388º Speed-Pascal/2 Version 2.0 º
389º º
390º Speed-Pascal Component Classes (SPCC) º
391º º
392º This section: TCustomHeaderControl Class Implementation º
393º º
394º (C) 1995,97 SpeedSoft. All rights reserved. Disclosure probibited ! º
395º º
396ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
397}
398
399Function TCustomHeaderControl.GetSections:TCustomHeaderSections;
400Begin
401 If FSections=Nil Then FSections:=FSectionsClass.Create(Self);
402 Result:=FSections;
403End;
404
405Procedure TCustomHeaderControl.SetSections(NewValue:TCustomHeaderSections);
406Begin
407 Sections.Assign(NewValue);
408End;
409
410Procedure TCustomHeaderControl.UpdateHeader(Header:TCustomHeaderSection);
411Var T:LongInt;
412 rc:TRect;
413Begin
414 //Get Rectangle For the Panel
415 rc:=ClientRect;
416 If FSections<>Nil Then
417 For T:=0 To FSections.Count-1 Do
418 Begin
419 If FSections[T]=Header Then break
420 Else Inc(rc.Left,FSections[T].Width+FSpacing);
421 End;
422
423 rc.Right:=rc.Left+Header.Width;
424 InvalidateRect(rc);
425 Update;
426End;
427
428{$HINTS OFF}
429Procedure TCustomHeaderControl.DrawSection(section:TCustomHeaderSection;Const rc:TRect;Pressed:Boolean);
430Var
431 Align:TAlignment;
432 S:String;
433 CX,CY,H:LongInt;
434 rec:TRect;
435Begin
436 Align:=section.Alignment;
437 S:=section.Text;
438
439 Canvas.GetTextExtent(S,CX,CY);
440
441 Case Align Of
442 taLeftJustify:
443 rec.Left:=rc.Left+3;
444 taRightJustify:
445 rec.Left:=rc.Right-3-CX;
446 Else //taCenter
447 Begin
448 H:=rc.Right-rc.Left;
449 rec.Left:=rc.Left+((H-CX) Div 2);
450 End;
451 End; //Case
452
453 If rec.Left<rc.Left+3 Then
454 rec.Left:=rc.Left+3;
455 if Pressed then
456 inc( rec.Left );
457 H:=rc.Top-rc.Bottom;
458 rec.Bottom:=rc.Bottom+((H-CY) Div 2);
459 If rec.Bottom<rc.Bottom+3 Then rec.Bottom:=rc.Bottom+3;
460 if Pressed then
461 dec( rec.Bottom );
462 rec.Right:=rec.Left+CX-1;
463 rec.Top:=rec.Bottom+CY-1;
464
465 Canvas.TextOut(rec.Left,rec.Bottom,S);
466
467 Canvas.ExcludeClipRect(rec);
468
469 DrawBevel( Canvas, rc, BevelWidth, Pressed );
470
471 rec:=rc;
472 Forms.InflateRect(rec,-BevelWidth,-BevelWidth);
473 Canvas.FillRect(rec,Color)
474End;
475{$HINTS ON}
476
477
478Procedure TCustomHeaderControl.Redraw(Const rec:TRect);
479Var T:LongInt;
480 rc,rc2:TRect;
481 section:TCustomHeaderSection;
482 IsPressed:Boolean;
483Begin
484 Canvas.Brush.color:=color;
485 Canvas.Pen.color:=PenColor;
486
487 rc:=ClientRect;
488 If FSections<>Nil Then
489 begin
490 For T:=0 To FSections.Count-1 Do
491 Begin
492 section:=FSections[T];
493 rc.Right:=rc.Left+section.Width -1;
494
495 If rc.Right>Width-1 Then
496 rc.Right:=Width-1;
497
498 if T = FSections.Count - 1 then
499 // always expand last column to width
500 rc.Right:=Width-1;
501
502 IsPressed:= section = FClickSection;
503
504 rc2:=Forms.IntersectRect(rc,rec);
505 If Not Forms.IsRectEmpty(rc2) Then
506 Begin
507 Canvas.ClipRect:=rc2;
508
509 If section.Style=hsOwnerDraw Then
510 Begin
511 If OnDrawSection<>Nil Then OnDrawSection(Self,section,rc,IsPressed)
512 Else DrawSection(section,rc,IsPressed);
513 End
514 Else DrawSection(section,rc,IsPressed);
515 End;
516
517
518 Inc( rc.Left, section.Width );
519 if FSpacing > 0 then
520 begin
521 rc.Right:= rc.Left + FSpacing ;
522 Canvas.FillRect( rc, Color );
523 Inc( rc.Left, FSpacing );
524 end;
525 if rc.Left > Width then
526 break;
527 End;
528
529 if FSections.COunt = 0 then
530 begin
531 // No sections
532 Canvas.ClipRect:=rc;
533 DrawBevel( Canvas, rc, BevelWidth, false );
534 InflateRect( rc, -BevelWidth, -BevelWidth );
535 Canvas.FillRect( rc, COlor );
536 end;
537
538 end;
539
540 Canvas.DeleteClipRegion;
541End;
542
543Type
544 PHeaderItem=^THeaderItem;
545 THeaderItem=Record
546 Style:TCustomHeaderSectionStyle;
547 Width:LongInt;
548 MinWidth,MaxWidth:LongInt;
549 AllowClick,AllowSize:Boolean;
550 Alignment:TAlignment;
551 End;
552
553
554Procedure TCustomHeaderControl.ReadSCUResource(Const ResName:TResourceName;Var Data;DataLen:LongInt);
555Var
556 Count:^LongInt;
557 Items:PHeaderItem;
558 section:TCustomHeaderSection;
559 T:LongInt;
560 ps:^String;
561Begin
562 If ResName = rnHeaders Then
563 Begin
564 Sections.Clear;
565 Count:=@Data;
566 Items:=@Data;
567 Inc(Items,4);
568 For T:=1 To Count^ Do
569 Begin
570 Section:=Sections.Add;
571 ps:=Pointer(Items);
572 section.Text:=ps^;
573 Inc(Items,Length(ps^)+1);
574 section.Style:=Items^.Style;
575 section.Alignment:=Items^.Alignment;
576 section.Width:=Items^.Width;
577 section.MinWidth:=Items^.MinWidth;
578 section.MaxWidth:=Items^.MaxWidth;
579 section.AllowClick:=Items^.AllowClick;
580 section.AllowSize:=Items^.AllowSize;
581 Inc(Items,SizeOf(THeaderItem));
582 End;
583 End
584 Else Inherited ReadSCUResource(ResName,Data,DataLen);
585End;
586
587
588Function TCustomHeaderControl.WriteSCUResource(Stream:TResourceStream):Boolean;
589Var MemStream:TMemoryStream;
590 T:LongInt;
591 Item:THeaderItem;
592 section:TCustomHeaderSection;
593 S:String;
594Begin
595 Result := Inherited WriteSCUResource(Stream);
596 If Not Result Then Exit;
597
598 If FSections<>Nil Then If FSections.Count>0 Then
599 Begin
600 MemStream.Create;
601 T:=FSections.Count;
602 MemStream.Write(T,4);
603 For T:=0 To FSections.Count-1 Do
604 Begin
605 section:=FSections[T];
606 S:=section.Text;
607 MemStream.Write(S,Length(S)+1);
608 Item.Style:=section.Style;
609 Item.Width:=section.Width;
610 Item.MinWidth:=section.MinWidth;
611 Item.MaxWidth:=section.MaxWidth;
612 Item.AllowClick:=section.AllowClick;
613 Item.AllowSize:=section.AllowSize;
614 Item.Alignment:=section.Alignment;
615 MemStream.Write(Item,SizeOf(THeaderItem));
616 End;
617
618 Result:=Stream.NewResourceEntry(rnHeaders,MemStream.Memory^,MemStream.Size);
619 MemStream.Destroy;
620 End;
621End;
622
623Procedure TCustomHeaderControl.SectionClick(section:TCustomHeaderSection);
624Begin
625 If FOnSectionClick<>Nil Then FOnSectionClick(Self,section);
626End;
627
628Procedure TCustomHeaderControl.SectionResize(section:TCustomHeaderSection);
629Begin
630 If FOnSectionResize<>Nil Then FOnSectionResize(Self,section);
631End;
632
633Procedure TCustomHeaderControl.SectionTrack(section:TCustomHeaderSection;Width:LongInt;State:TSectionTrackState);
634Begin
635 If FOnSectionTrack<>Nil Then FOnSectionTrack(Self,section,Width,State);
636End;
637
638Procedure TCustomHeaderControl.SetSpacing(NewValue:LongInt);
639Begin
640 If NewValue<0 Then NewValue:=0;
641 FSpacing:=NewValue;
642 Invalidate;
643End;
644
645Procedure TCustomHeaderControl.SetBevelWidth(NewValue:LongInt);
646Begin
647 If NewValue<1 Then NewValue:=1;
648 If NewValue>20 Then NewValue:=20;
649 FBevelWidth:=NewValue;
650 Invalidate;
651End;
652
653Procedure TCustomHeaderControl.SetupComponent;
654Begin
655 Inherited SetupComponent;
656
657 Align:=alTop;
658 color:=clDlgWindow;
659 Name:='HeaderControl';
660 FSectionsClass:=TCustomHeaderSections;
661 Height:=50;
662 FSpacing:=0;
663 FSectionTrackState:=tsTrackEnd;
664 FBevelWidth:=1;
665 HandlesDesignMouse:=True;
666 Include(ComponentState,csAcceptsControls);
667 FShape:=crDefault;
668End;
669
670Destructor TCustomHeaderControl.Destroy;
671Begin
672 If FSections<>Nil Then FSections.Destroy;
673 Inherited Destroy;
674End;
675
676Procedure TCustomHeaderControl.MouseDown(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
677Var T:LongInt;
678 section:TCustomHeaderSection;
679Begin
680 Inherited MouseDown(Button,ShiftState,X,Y);
681
682 If Button <> mbLeft Then Exit;
683
684 If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
685 Begin
686 section:=FSections[T];
687 If ((section.AllowSize)And(X>section.Right-2)And(X<section.Right+2)) Then
688 Begin
689 Cursor:=crHSplit;
690 FShape:=crHSplit;
691 LastMsg.Handled:=True; {dont pass To Form Editor}
692 Canvas.Pen.Mode:=pmNot;
693 Canvas.Pen.color:=clBlack;
694 FSizeSection:=section;
695 FSizeStartX:=section.Right;
696 FSizeX:=FSizeStartX;
697 Canvas.Line(FSizeX,0,FSizeX,Height);
698 MouseCapture:=True;
699 Canvas.Pen.Mode:=pmCopy;
700 FSectionTrackState:=tsTrackBegin;
701 If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeX-FSizeSection.Left,
702 FSectionTrackState);
703 Exit;
704 End;
705 End;
706
707 If Designed Then Exit;
708
709 //Test Press
710 section:=GetMouseHeader(X,Y);
711 If section<>Nil Then If section.AllowClick Then
712 Begin
713 FClickBase:=section;
714 FClickSection:=section;
715 UpdateHeader(section);
716 MouseCapture:=True;
717 End;
718End;
719
720Function TCustomHeaderControl.GetMouseHeader(X,Y:LongInt):TCustomHeaderSection;
721Var T:LongInt;
722 section:TCustomHeaderSection;
723Begin
724 Result:=Nil;
725 If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
726 Begin
727 section:=FSections[T];
728 If ((Y>1)And(Y<Height-1)And(X>section.Left+1)And(X<section.Right-1)) Then
729 Begin
730 Result:=section;
731 Exit;
732 End;
733 End;
734End;
735
736Procedure TCustomHeaderControl.MouseDblClick(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
737Var section:TCustomHeaderSection;
738Begin
739 Inherited MouseDblClick(Button,ShiftState,X,Y);
740
741 If Button=mbLeft Then
742 Begin
743 section:=GetMouseHeader(X,Y);
744 If section<>Nil Then If section.AllowClick Then
745 Begin
746 FClickSection:=section;
747 UpdateHeader(section);
748 Delay(20);
749 FClickSection:=Nil;
750 UpdateHeader(section);
751 If OnSectionClick<>Nil Then OnSectionClick(Self,section);
752 End;
753 End;
754End;
755
756Procedure TCustomHeaderControl.MouseUp(Button:TMouseButton;ShiftState:TShiftState;X,Y:LongInt);
757Var ClickHeader:TCustomHeaderSection;
758Begin
759 Inherited MouseUp(Button,ShiftState,X,Y);
760
761 If Button <> mbLeft Then Exit;
762
763 If FSectionTrackState In [tsTrackBegin,tsTrackMove] Then
764 Begin
765 LastMsg.Handled:=True; {dont pass To Form Editor}
766 Canvas.Pen.Mode:=pmNot;
767 Canvas.Pen.color:=clBlack;
768 {Delete old rubberline}
769 Canvas.Line(FSizeX,0,FSizeX,Height);
770 MouseCapture:=False;
771 Cursor:=crDefault;
772 FShape:=crDefault;
773 Canvas.Pen.Mode:=pmCopy;
774
775 If FSizeX<FSizeSection.Left Then FSizeX:=FSizeSection.Left;
776
777 FSizeSection.Width:=FSizeX-FSizeSection.Left;
778
779 FSectionTrackState:=tsTrackEnd;
780 If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeSection.Width,
781 FSectionTrackState);
782 If OnSectionResize<>Nil Then
783 OnSectionResize(Self,FSizeSection);
784 FSizeSection:=Nil;
785 End;
786
787 If FClickBase<>Nil Then
788 Begin
789 ClickHeader:=GetMouseHeader(X,Y);
790 MouseCapture:=False;
791 If ClickHeader=FClickBase Then //clicked
792 Begin
793 FClickSection:=Nil;
794 FClickBase:=Nil;
795 UpdateHeader(ClickHeader);
796 If OnSectionClick<>Nil Then OnSectionClick(Self,ClickHeader);
797 End
798 Else
799 Begin
800 ClickHeader:=FClickBase;
801 FClickSection:=Nil;
802 FClickBase:=Nil;
803 UpdateHeader(ClickHeader);
804 End;
805 End;
806End;
807
808Procedure TCustomHeaderControl.MouseMove(ShiftState:TShiftState;X,Y:LongInt);
809Var T:LongInt;
810 section:TCustomHeaderSection;
811Begin
812 Inherited MouseMove(ShiftState,X,Y);
813
814 If FSectionTrackState In [tsTrackBegin,tsTrackMove] Then
815 Begin
816 LastMsg.Handled:=True; {dont pass To Form Editor}
817 Canvas.Pen.Mode:=pmNot;
818 Canvas.Pen.color:=clBlack;
819 {Delete old rubberline}
820 Canvas.Line(FSizeX,0,FSizeX,Height);
821 {Draw New Line}
822 FSizeX:=X;
823 If FSizeX<FSizeSection.Left Then FSizeX:=FSizeSection.Left;
824 If FSizeX>=Width Then FSizeX:=Width;
825 Canvas.Line(FSizeX,0,FSizeX,Height);
826 Canvas.Pen.Mode:=pmCopy;
827
828 FSectionTrackState:=tsTrackMove;
829 If OnSectionTrack<>Nil Then OnSectionTrack(Self,FSizeSection,FSizeX-FSizeSection.Left,
830 FSectionTrackState);
831 Exit;
832 End
833 Else
834 Begin
835 If FClickBase<>Nil Then
836 Begin
837 section:=GetMouseHeader(X,Y);
838 If section<>FClickSection Then
839 Begin
840 If FClickSection<>Nil Then
841 Begin
842 section:=FClickSection;
843 FClickSection:=Nil;
844 If section<>Nil Then UpdateHeader(section);
845 End
846 Else
847 Begin
848 If section=FClickBase Then
849 Begin
850 FClickSection:=section;
851 If FClickSection<>Nil Then UpdateHeader(FClickSection);
852 End;
853 End;
854 End;
855 End
856 Else
857 Begin
858 If FSections<>Nil Then For T:=0 To FSections.Count-1 Do
859 Begin
860 section:=FSections[T];
861 If ((section.AllowSize)And(X>section.Right-2)And(X<section.Right+2)) Then
862 Begin
863 FShape:=crHSplit;
864 {$IFDEF OS2}
865 WinSetPointer(HWND_DESKTOP,Screen.Cursors[FShape]);
866 {$ENDIF}
867 {$IFDEF Win95}
868 SetClassWord(Handle,-12{GCW_HCURSOR},0);
869 SetCursor(Screen.Cursors[FShape]);
870 {$ENDIF}
871 LastMsg.Handled:=True; {dont pass To Form Editor}
872 Exit;
873 End;
874 End;
875 End;
876 End;
877
878 If FShape<>crDefault Then
879 Begin
880 FShape:=crDefault;
881
882 {$IFDEF OS2}
883 WinSetPointer(HWND_DESKTOP,Screen.Cursors[FShape]);
884 {$ENDIF}
885 {$IFDEF Win95}
886 SetClassWord(Handle,-12{GCW_HCURSOR},0);
887 SetCursor(Screen.Cursors[FShape]);
888 {$ENDIF}
889 End;
890End;
891
892{
893ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
894º º
895º Speed-Pascal/2 Version 2.0 º
896º º
897º This section: THeaderSectionsPropertyEditor Class implementation º
898º º
899º Last modified: September 1995 º
900º º
901º (C) 1995 SpeedSoft. All rights reserved. Disclosure probibited ! º
902º º
903ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍŒ
904}
905
906TYPE
907 TCustomHeaderSectionsPropEditDialog=CLASS(TDialog)
908 PRIVATE
909 FSections:TCustomHeaderSections;
910 FListBox:TListBox;
911 FText:TEdit;
912 FWidth:TEdit;
913 FMinWidth,FMaxWidth:TEdit;
914 FStyle:TComboBox;
915 FAlignment:TComboBox;
916 FCurrentSection:TCustomHeaderSection;
917 FCurrentIndex:LONGINT;
918 FAllowClick:TCheckBox;
919 FAllowSize:TCheckBox;
920 PROTECTED
921 PROCEDURE SetupComponent;OVERRIDE;
922 PROCEDURE NewClicked(Sender:TObject);
923 PROCEDURE DeleteClicked(Sender:TObject);
924 PROCEDURE UpdateClicked(Sender:TObject);
925 PROCEDURE ListItemFocus(Sender:TObject;Index:LONGINT);
926 PROCEDURE StoreItem;
927 PROCEDURE TextChange(Sender:TObject);
928 PROCEDURE WidthChange(Sender:TObject);
929 PROCEDURE MinWidthChange(Sender:TObject);
930 PROCEDURE MaxWidthChange(Sender:TObject);
931 PROCEDURE StyleSelect(Sender:TObject;Index:LONGINT);
932 PROCEDURE AlignmentSelect(Sender:TObject;Index:LONGINT);
933 END;
934
935
936{$HINTS OFF}
937PROCEDURE TCustomHeaderSectionsPropEditDialog.TextChange(Sender:TObject);
938BEGIN
939 IF FCurrentSection=NIL THEN exit;
940 FCurrentSection.Text:=FText.Text;
941END;
942
943PROCEDURE TCustomHeaderSectionsPropEditDialog.WidthChange(Sender:TObject);
944VAR i:LONGINT;
945 c:Integer;
946BEGIN
947 IF FCurrentSection=NIL THEN exit;
948 VAL(FWidth.Text,i,c);
949 IF c<>0 THEN exit;
950 FCurrentSection.Width:=i;
951END;
952
953PROCEDURE TCustomHeaderSectionsPropEditDialog.MinWidthChange(Sender:TObject);
954VAR i:LONGINT;
955 c:Integer;
956BEGIN
957 IF FCurrentSection=NIL THEN exit;
958 VAL(FMinWidth.Text,i,c);
959 IF c<>0 THEN exit;
960 FCurrentSection.MinWidth:=i;
961END;
962
963PROCEDURE TCustomHeaderSectionsPropEditDialog.MaxWidthChange(Sender:TObject);
964VAR i:LONGINT;
965 c:Integer;
966BEGIN
967 IF FCurrentSection=NIL THEN exit;
968 VAL(FMaxWidth.Text,i,c);
969 IF c<>0 THEN exit;
970 FCurrentSection.MaxWidth:=i;
971END;
972
973
974PROCEDURE TCustomHeaderSectionsPropEditDialog.StyleSelect(Sender:TObject;Index:LONGINT);
975BEGIN
976 IF FCurrentSection=NIL THEN exit;
977 IF FStyle.Text='OwnerDraw' THEN FCurrentSection.Style:=hsOwnerDraw
978 ELSE FCurrentSection.Style:=hsText;
979END;
980
981PROCEDURE TCustomHeaderSectionsPropEditDialog.AlignmentSelect(Sender:TObject;Index:LONGINT);
982BEGIN
983 IF FCurrentSection=NIL THEN exit;
984 IF FAlignment.Text='Center' THEN FCurrentSection.Alignment:=taCenter
985 ELSE IF FAlignment.Text='Right justify' THEN FCurrentSection.Alignment:=taRightJustify
986 ELSE FCurrentSection.Alignment:=taLeftJustify;
987END;
988
989PROCEDURE TCustomHeaderSectionsPropEditDialog.UpdateClicked(Sender:TObject);
990BEGIN
991 StoreItem;
992 FSections.Update(NIL);
993END;
994
995PROCEDURE TCustomHeaderSectionsPropEditDialog.NewClicked(Sender:TObject);
996VAR Section:TCustomHeaderSection;
997BEGIN
998 Section:=FSections.Add;
999 IF Section.Text='' THEN FListBox.Items.Add(tostr(Section.Index)+' - (Untitled)')
1000 ELSE FListBox.Items.Add(tostr(Section.Index)+' - '+Section.Text);
1001 FListBox.ItemIndex:=Section.Index;
1002 FSections.Update(NIL);
1003END;
1004
1005PROCEDURE TCustomHeaderSectionsPropEditDialog.DeleteClicked(Sender:TObject);
1006VAR Section:TCustomHeaderSection;
1007 Index:LONGINT;
1008BEGIN
1009 Index:=FListBox.ItemIndex;
1010 IF Index<0 THEN exit;
1011 FListBox.Items.Delete(Index);
1012 Section:=FSections[Index];
1013 Section.Destroy;
1014 FCurrentSection:=NIL;
1015 FCurrentIndex:=-1;
1016 IF FListBox.Items.Count>0 THEN FListBox.ItemIndex:=0;
1017END;
1018{$HINTS ON}
1019
1020PROCEDURE TCustomHeaderSectionsPropEditDialog.StoreItem;
1021VAR c:Integer;
1022 i:LONGINT;
1023BEGIN
1024 IF FCurrentSection<>NIL THEN //store values
1025 BEGIN
1026 FCurrentSection.Text:=FText.Text;
1027 IF FText.Text='' THEN FListBox.Items[FCurrentIndex]:=tostr(FCurrentIndex)+' - (Untitled)'
1028 ELSE FListBox.Items[FCurrentIndex]:=tostr(FCurrentIndex)+' - '+FText.Text;
1029
1030 VAL(FWidth.Text,i,c);
1031 IF c<>0 THEN i:=100;
1032 FCurrentSection.Width:=i;
1033
1034 VAL(FMinWidth.Text,i,c);
1035 IF c<>0 THEN i:=0;
1036 FCurrentSection.MinWidth:=i;
1037
1038 VAL(FMaxWidth.Text,i,c);
1039 IF c<>0 THEN i:=10000;
1040 FCurrentSection.MaxWidth:=i;
1041
1042 IF FStyle.Text='OwnerDraw' THEN FCurrentSection.Style:=hsOwnerDraw
1043 ELSE FCurrentSection.Style:=hsText;
1044
1045 IF FAlignment.Text='Center' THEN FCurrentSection.Alignment:=taCenter
1046 ELSE IF FAlignment.Text='Right justify' THEN FCurrentSection.Alignment:=taRightJustify
1047 ELSE FCurrentSection.Alignment:=taLeftJustify;
1048
1049 FCurrentSection.AllowClick:=FAllowClick.Checked;
1050 FCurrentSection.AllowSize:=FAllowSize.Checked;
1051 END;
1052END;
1053
1054PROCEDURE TCustomHeaderSectionsPropEditDialog.ListItemFocus(Sender:TObject;Index:LONGINT);
1055BEGIN
1056 StoreItem;
1057
1058 FCurrentSection:=FSections[Index];
1059 FCurrentIndex:=Index;
1060 FText.Text:=FCurrentSection.Text;
1061 FWidth.Text:=tostr(FCurrentSection.Width);
1062 FMinWidth.Text:=tostr(FCurrentSection.MinWidth);
1063 FMaxWidth.Text:=tostr(FCurrentSection.MaxWidth);
1064 IF FCurrentSection.Style=hsText THEN FStyle.Text:='Text'
1065 ELSE FStyle.Text:='OwnerDraw';
1066
1067 CASE FCurrentSection.Alignment OF
1068 taRightJustify:FAlignment.Text:='Right justify';
1069 taCenter:FAlignment.Text:='Center';
1070 ELSE FAlignment.Text:='Left justify';
1071 END;
1072
1073 FAllowClick.Checked:=FCurrentSection.AllowClick;
1074 FAllowSize.Checked:=FCurrentSection.AllowSize;
1075END;
1076
1077PROCEDURE TCustomHeaderSectionsPropEditDialog.SetupComponent;
1078VAR Button:TButton;
1079BEGIN
1080 Inherited SetupComponent;
1081
1082 Caption:='Header sections';
1083 Width:=435;
1084 Height:=350;
1085
1086 InsertGroupBox(SELF,10,50,180,260,'Sections');
1087 FListBox:=InsertListBox(SELF,20,100,160,190,'');
1088 FListBox.OnItemFocus:=ListItemFocus;
1089
1090 Button:=InsertButton(SELF,20,60,70,30,'New','Create a new section' );
1091 Button.OnClick:=NewClicked;
1092 Button:=InsertButton(SELF,100,60,70,30,'Delete', 'Delete section' );
1093 Button.OnClick:=DeleteClicked;
1094
1095 InsertGroupBox(SELF,200,50,220,260,'Section properties' );
1096
1097 InsertLabel(SELF,210,260,50,20,'Text');
1098 FText:=InsertEdit(SELF,280,265,130,20,'','');
1099 FText.OnChange:=TextChange;
1100
1101 InsertLabel(SELF,210,230,100,20,'Width');
1102 FWidth:=InsertEdit(SELF,280,235,130,20,'','');
1103 FWidth.OnChange:=WidthChange;
1104 FWidth.NumbersOnly:=TRUE;
1105
1106 InsertLabel(SELF,210,200,60,20,'Min/max');
1107 FMinWidth:=InsertEdit(SELF,280,205,60,20,'','');
1108 FMinWidth.OnChange:=MinWidthChange;
1109 FMinWidth.NumbersOnly:=TRUE;
1110 FMaxWidth:=InsertEdit(SELF,350,205,60,20,'','');
1111 FMaxWidth.OnChange:=MaxWidthChange;
1112 FMaxWidth.NumbersOnly:=TRUE;
1113
1114 InsertLabel(SELF,210,170,100,20,'Style');
1115 FStyle:=InsertComboBox(SELF,280,175,130,20,csDropDownList);
1116 FStyle.Items.Add('Text');
1117 FStyle.Items.Add('OwnerDraw');
1118 FStyle.OnItemSelect:=StyleSelect;
1119
1120 InsertLabel(SELF,210,140,100,20,'Alignment');
1121 FAlignment:=InsertComboBox(SELF,280,145,130,20,csDropDownList);
1122 FAlignment.Items.Add('Left justify');
1123 FAlignment.Items.Add('Right justify');
1124 FAlignment.Items.Add('Center');
1125 FAlignment.OnItemSelect:=AlignmentSelect;
1126
1127 FAllowClick:=InsertCheckBox(SELF,210,115,180,20,'Allow click','');
1128 FAllowSize:=InsertCheckBox(SELF,210,95,180,20,'Allow size','');
1129
1130 Button:=InsertButton(SELF,210,60,170,30,'Update','Update the section' );
1131 Button.OnClick:=UpdateClicked;
1132
1133 InsertBitBtn(SELF,10,10,90,30,bkOk,'OK','');
1134 InsertBitBtn(SELF,110,10,90,30,bkCancel,'Cancel','');
1135 InsertBitBtn(SELF,210,10,90,30,bkHelp,'Help','');
1136END;
1137
1138FUNCTION TCustomHeaderSectionsPropertyEditor.Execute(VAR ClassToEdit:TObject):TClassPropertyEditorReturn;
1139VAR HeaderSections:TCustomHeaderSections;
1140 FDialog:TCustomHeaderSectionsPropEditDialog;
1141 SaveHeaders:TCustomHeaderSections;
1142 Section:TCustomHeaderSection;
1143 t:LONGINT;
1144BEGIN
1145 HeaderSections:=TCustomHeaderSections(ClassToEdit);
1146 IF HeaderSections.HeaderControl=NIL THEN
1147 BEGIN
1148 result:=peNoEditor;
1149 exit;
1150 END;
1151
1152 SaveHeaders.Create(NIL);
1153 SaveHeaders.Assign(HeaderSections);
1154
1155 FDialog.Create(NIL);
1156// FDialog.HelpContext := hctxDialogHeaderSectionsPropertyEditor;
1157 FDialog.FSections:=HeaderSections;
1158
1159 FOR t:=0 TO HeaderSections.Count-1 DO
1160 BEGIN
1161 Section:=HeaderSections[t];
1162 IF Section.Text='' THEN FDialog.FListBox.Items.Add(tostr(t)+' - (Untitled)')
1163 ELSE FDialog.FListBox.Items.Add(tostr(t)+' - '+Section.Text);
1164 END;
1165 IF FDialog.FListBox.Items.Count>0 THEN FDialog.FListBox.ItemIndex:=0;
1166
1167 FDialog.ShowModal;
1168
1169 //Modify ClassToEdit here
1170 result:=peCancel;
1171 CASE FDialog.ModalResult OF
1172 cmOk:
1173 BEGIN
1174 FDialog.StoreItem;
1175 result:=peOk;
1176 END;
1177 ELSE
1178 BEGIN
1179 HeaderSections.Assign(SaveHeaders);
1180 result:=peCancel;
1181 END;
1182 END; {case}
1183
1184 SaveHeaders.Destroy;
1185 FDialog.Destroy;
1186END;
1187
1188Begin
1189 RegisterClasses( [TCustomHeaderControl] );
1190 AddClassPropertyEditor( TCustomHeaderSections, TCustomHeaderSectionsPropertyEditor );
1191End.
1192
1193
1194
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