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root/public/ibx/trunk/ibcontrols/IBDynamicGrid.pas

Comparing ibx/trunk/ibcontrols/IBDynamicGrid.pas (file contents):
Revision 27 by tony, Tue Apr 14 13:10:23 2015 UTC vs.
Revision 35 by tony, Tue Jan 26 14:38:47 2016 UTC

#	Line 23 | Line 23
23		*  Contributor(s): ______________________________________.
24		*
25		*)
26	+
27		unit IBDynamicGrid;
28
29		{$mode objfpc}{$H+}
#	Line 91 | Line 92 | type
92		FListSource: TDataSource;
93		FOnAutoInsert: TAutoInsert;
94		FOnCanAutoInsert: TCanAutoInsert;
95	+	FOnCloseUp: TNotifyEvent;
96		FOnDrawItem: TDrawItemEvent;
97		FOwner: TIBDynamicGridColumn;
98		FRelationName: string;
#	Line 117 | Line 119 | type
119		property Style: TComboBoxStyle read FStyle write FStyle default csDropDown;
120		property OnAutoInsert: TAutoInsert read FOnAutoInsert write FOnAutoInsert;
121		property OnCanAutoInsert: TCanAutoInsert read FOnCanAutoInsert write FOnCanAutoInsert;
122	+	property OnCloseUp: TNotifyEvent read FOnCloseUp write FOnCloseUp;
123		property OnDrawItem: TDrawItemEvent read FOnDrawItem write FOnDrawItem;
124		end;
125
#	Line 177 | Line 180 | end;
180		FWeHaveFocus: boolean;
181		FHidingEditorPanel: boolean;
182		FAllowHide: boolean;
183	+	FMouseDown: boolean;
184	+	function ActiveControl: TControl;
185		procedure DoShowEditorPanel(Data: PtrInt);
186		procedure PositionTotals;
187		procedure KeyDownHandler(Sender: TObject; var Key: Word; Shift: TShiftState);
188	+	procedure PerformEditorHide(Data: PtrInt);
189		procedure SetEditorPanel(AValue: TWinControl);
190		protected
191		procedure ChangeBounds(ALeft, ATop, AWidth, AHeight: integer; KeepBase: boolean); override;
#	Line 358 | Line 364 | begin
364		FResizing := true;
365		try
366		ColSum := 0;
361	–	for I := 0 to  ColCount - 1 do
362	–	ColSum := ColSum + ColWidths[I];
367
368	<	if Colsum <> ClientWidth then
368	>	if (ColCount = 1) and TDBDynamicGridColumn(Columns[0]).AutoSizeColumn then
369	>	Columns[0].Width := ClientWidth
370	>	else
371		begin
372	<	ResizeColCount := 0;
373	<	for I := 0 to Columns.Count -1 do
374	<	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
375	<	begin
376	<	Inc(ResizeColCount);
377	<	Colsum := Colsum + TDBDynamicGridColumn(Columns[I]).DesignWidth - Columns[I].Width;
378	<	Columns[I].Width := TDBDynamicGridColumn(Columns[I]).DesignWidth;
379	<	end;
380	<
381	<	if (Colsum < ClientWidth) and (ResizeColCount > 0) then
382	<	begin
383	<	adjustment := (ClientWidth - ColSum) div ResizeColCount;
384	<	n := (ClientWidth - ColSum) mod ResizeColCount;
385	<
386	<	for I := 0 to Columns.Count -1 do
387	<	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
388	<	begin
389	<	if I = 0 then
390	<	Columns[I].Width := Columns[I].Width + adjustment + n
391	<	else
392	<	Columns[I].Width := Columns[I].Width + adjustment;
393	<	end;
394	<	end;
372	>	for I := 0 to  ColCount - 1 do
373	>	ColSum := ColSum + ColWidths[I];
374	>
375	>	if Colsum <> ClientWidth then
376	>	begin
377	>	ResizeColCount := 0;
378	>	for I := 0 to Columns.Count -1 do
379	>	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
380	>	begin
381	>	Inc(ResizeColCount);
382	>	Colsum := Colsum + TDBDynamicGridColumn(Columns[I]).DesignWidth - Columns[I].Width;
383	>	Columns[I].Width := TDBDynamicGridColumn(Columns[I]).DesignWidth;
384	>	end;
385	>
386	>	if (Colsum < ClientWidth) and (ResizeColCount > 0) then
387	>	begin
388	>	adjustment := (ClientWidth - ColSum) div ResizeColCount;
389	>	n := (ClientWidth - ColSum) mod ResizeColCount;
390	>
391	>	for I := 0 to Columns.Count -1 do
392	>	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
393	>	begin
394	>	if I = 0 then
395	>	Columns[I].Width := Columns[I].Width + adjustment + n
396	>	else
397	>	Columns[I].Width := Columns[I].Width + adjustment;
398	>	end;
399	>	end;
400	>	end;
401		end;
402		PositionTotals;
403		UpdateEditorPanelBounds;
#	Line 399 | Line 411 | begin
411		inherited DoEditorHide;
412		if Editor = FEditorPanel then
413		begin
414	<	if (FExpandedRow >= 0) and (FExpandedRow < RowCount) then
415	<	RowHeights[FExpandedRow] := DefaultRowHeight;
414	>	if FMouseDown then
415	>	Application.QueueAsyncCall(@PerformEditorHide,FExpandedRow)
416	>	else
417	>	PerformEditorHide(FExpandedRow);
418		FExpandedRow := -1;
405	–	if CanFocus then SetFocus;
406	–	if assigned(FOnEditorPanelHide) then
407	–	OnEditorPanelHide(self);
408	–	DoOnResize;
409	–	ResetSizes;
410	–	Invalidate;
419		end;
420		end;
421
422		procedure TDBDynamicGrid.DoEditorShow;
423		begin
424	+	if assigned(DataSource) and assigned(DataSource.DataSet) and
425	+	DataSource.DataSet.Active then
426	+	begin
427	+	if (DataSource.DataSet.RecordCount = 0) and (DataSource.DataSet.State <> dsInsert) then
428	+	DataSource.DataSet.Append
429	+	end;
430		if Editor = FEditorPanel then
431		begin
432		if ExpandEditorPanelBelowRow then
#	Line 425 | Line 439 | begin
439		FEditorPanel.PerformTab(true);  {Select First Control}
440		if assigned(FOnEditorPanelShow) then
441		OnEditorPanelShow(self);
442	+	if assigned(Editor) and Editor.Visible then
443	+	Editor.SetFocus;
444		end
445		else
446		inherited DoEditorShow;
#	Line 489 | Line 505 | begin
505		inherited KeyDown(Key, Shift);
506		end;
507
508	+	function TDBDynamicGrid.ActiveControl: TControl;
509	+	var AParent: TWinControl;
510	+	begin
511	+	Result := nil;
512	+	AParent := Parent;
513	+	while (AParent <> nil) and  not (AParent is TCustomForm) do
514	+	AParent := AParent.Parent;
515	+	if (AParent <> nil) and (AParent is TCustomForm)then
516	+	Result := TCustomForm(AParent).ActiveControl;
517	+	end;
518	+
519		procedure TDBDynamicGrid.DoShowEditorPanel(Data: PtrInt);
520		begin
521		if AppDestroying in Application.Flags then Exit;
#	Line 520 | Line 547 | end;
547		procedure TDBDynamicGrid.KeyDownHandler(Sender: TObject; var Key: Word;
548		Shift: TShiftState);
549		var Done: boolean;
550	+	AControl: TControl;
551		begin
552		if Visible and assigned(FEditorPanel) and FEditorPanel.Visible and FWeHaveFocus then
553		begin
554		Done := false;
555	+	AControl := ActiveControl;
556	+	if (AControl <> nil) and (AControl is TCustomComboBox)
557	+	and ((Key in [VK_UP,VK_DOWN]) or
558	+	(TCustomComboBox(AControl).DroppedDown and (Key = VK_RETURN)) or
559	+	((TCustomComboBox(AControl).Text <> '') and (Key =  VK_ESCAPE))) then
560	+	Exit; {ignore these keys if we are in a  combobox}
561	+
562	+	if (AControl <> nil) and (AControl is TCustomMemo)
563	+	and (Key in [VK_RETURN,VK_UP,VK_DOWN]) then Exit; {Ignore Return in a CustomMemo}
564	+
565	+	if (AControl <> nil) and (AControl is TCustomGrid)
566	+	and (Key in [VK_RETURN,VK_UP,VK_DOWN,VK_TAB]) then Exit; {Ignore Return in a CustomMemo}
567	+
568		if assigned(FOnKeyDownHander) then
569		OnKeyDownHander(Sender,Key,Shift,Done);
570		if Done then Exit;
#	Line 546 | Line 587 | begin
587		end
588		end;
589
590	+	procedure TDBDynamicGrid.PerformEditorHide(Data: PtrInt);
591	+	var ExpandedRow: integer;
592	+	begin
593	+	if AppDestroying in Application.Flags then Exit;
594	+	ExpandedRow := integer(Data);
595	+	if (ExpandedRow >= 0) and (ExpandedRow < RowCount) then
596	+	RowHeights[ExpandedRow] := DefaultRowHeight;
597	+	if CanFocus then SetFocus;
598	+	DoOnResize;
599	+	ResetSizes;
600	+	DoOnChangeBounds;
601	+	if assigned(FOnEditorPanelHide) then
602	+	OnEditorPanelHide(self);
603	+	end;
604	+
605		procedure TDBDynamicGrid.SetEditorPanel(AValue: TWinControl);
606		begin
607		if FEditorPanel = AValue then Exit;
#	Line 580 | Line 636 | begin
636		inherited Loaded;
637		if assigned(FEditorPanel) and not (csDesigning in ComponentState)then
638		FEditorPanel.Visible := false;
639	<	DoGridResize
639	>	if Visible then
640	>	DoGridResize
641		end;
642
643		procedure TDBDynamicGrid.DoOnResize;
#	Line 604 | Line 661 | procedure TDBDynamicGrid.MouseDown(Butto
661		Y: Integer);
662		var Coord: TGridCoord;
663		begin
664	<	inherited MouseDown(Button, Shift, X, Y);
664	>	FMouseDown := true;
665	>	try
666	>	inherited MouseDown(Button, Shift, X, Y);
667	>	finally
668	>	FMouseDown := false;
669	>	end;
670
671		Coord := MouseCoord(X,Y);
672		if (Coord.X = 0) and (Coord.Y > 0) then
#	Line 630 | Line 692 | begin
692		inherited UpdateActive;
693
694		if not (csLoading in ComponentState) and assigned(DataLink) and
695	+	assigned(FEditorPanel) and not FEditorPanel.Visible and
696		assigned(DataLink.DataSet) and (DataLink.DataSet.State = dsInsert) then
697		Application.QueueAsyncCall(@DoShowEditorPanel,0);
698		end;
#	Line 662 | Line 725 | end;
725		procedure TDBDynamicGrid.HideEditorPanel;
726		begin
727		if Editor = FEditorPanel then
728	<	EditorMode := false;
728	>	EditorMode := false;
729		end;
730
731		procedure TDBDynamicGrid.ShowEditorPanel;
#	Line 770 | Line 833 | begin
833		FCol := Msg.Col;
834		FRow := Msg.Row;
835		FEditText := Msg.Value;
773	–	SelStart := Length(Text);
836		TIBDynamicGrid(FGrid).SetupEditor(self,FCol);
837		end;
838
#	Line 819 | Line 881 | begin
881		Editor.OnAutoInsert := OnAutoInsert;
882		Editor.OnCanAutoInsert := OnCanAutoInsert;
883		Editor.OnDrawItem := OnDrawItem;
884	+	Editor.OnCloseUp := OnCloseUp;
885
886		{Setup Data Links}
887		if KeyField <> '' then
#	Line 844 | Line 907 | begin
907		Editor.DataSource := TDBGrid(Grid).DataSource;
908		end;
909		Editor.Text := Editor.FEditText;
910	+	Editor.SelStart := Length(Editor.Text);
911		end;
912
913		procedure TIBDynamicGridColumn.SetInitialSortColumn(AValue: boolean);
#	Line 957 | Line 1021 | begin
1021		begin
1022		if (FLastColIndex < 0) or (FLastColIndex >= Columns.Count) then Exit;
1023		FieldPosition := Parser.GetFieldPosition(Columns[FLastColIndex].FieldName);
1024	<	if FieldPosition = 0 then Exit;
1025	<
1026	<	if Descending then
1027	<	Parser.OrderByClause := IntToStr(FieldPosition) + ' desc'
1028	<	else
1029	<	Parser.OrderByClause := IntToStr(FieldPosition) + ' asc';
1024	>	if FieldPosition > 0 then
1025	>	begin
1026	>	if Descending then
1027	>	Parser.OrderByClause := IntToStr(FieldPosition) + ' desc'
1028	>	else
1029	>	Parser.OrderByClause := IntToStr(FieldPosition) + ' asc';
1030	>	end;
1031
1032		if assigned(FOnUpdateSortOrder) then
1033		begin
#	Line 1049 | Line 1114 | end;
1114		procedure TIBDynamicGrid.Loaded;
1115		begin
1116		inherited Loaded;
1117	+	IBControlLinkChanged;
1118		ProcessColumns;
1119		end;
1120

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