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root/public/ibx/branches/journaling/ibcontrols/IBDynamicGrid.pas

Comparing ibx/trunk/ibcontrols/IBDynamicGrid.pas (file contents):
Revision 37 by tony, Mon Feb 15 14:44:25 2016 UTC vs.
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC

#	Line 150 | Line 150 | end;
150		FGrid: TCustomGrid;
151		FCol,FRow: Integer;
152		FEditText: string;
153	+	function EditingKeyField: boolean;
154		protected
155		procedure WndProc(var TheMessage : TLMessage); override;
156		procedure CloseUp; override;
#	Line 166 | Line 167 | end;
167		property OnEditingDone;
168		end;
169
170	+	TOnSelectPanelEditor = procedure(Sender: TObject; var aEditorPanel: TWinControl) of object;
171	+
172		TDBDynamicGrid = class(TDBGrid)
173		private
174		{ Private declarations }
#	Line 176 | Line 179 | end;
179		FOnEditorPanelHide: TNotifyEvent;
180		FOnEditorPanelShow: TNotifyEvent;
181		FOnKeyDownHander: TKeyDownHandler;
182	+	FOnSelectPanelEditor: TOnSelectPanelEditor;
183		FResizing: boolean;
184		FWeHaveFocus: boolean;
185		FHidingEditorPanel: boolean;
#	Line 223 | Line 227 | end;
227		property OnEditorPanelShow: TNotifyEvent read FOnEditorPanelShow write FOnEditorPanelShow;
228		property OnEditorPanelHide: TNotifyEvent read FOnEditorPanelHide write FOnEditorPanelHide;
229		property OnKeyDownHander: TKeyDownHandler read FOnKeyDownHander write FOnKeyDownHander;
230	+	property OnSelectPanelEditor: TOnSelectPanelEditor read FOnSelectPanelEditor
231	+	write FOnSelectPanelEditor;
232		end;
233
234		{TIBGridControlLink}
#	Line 305 | Line 311 | end;
311
312		implementation
313
314	<	uses Math, IBQuery, LCLType;
314	>	uses LCLType, Variants, EditBtn;
315
316		{ TIBGridControlLink }
317
#	Line 371 | Line 377 | begin
377		else
378		begin
379		for I := 0 to  ColCount - 1 do
380	+	if (I < FixedCols) or Columns[I - FixedCols].Visible then
381		ColSum := ColSum + ColWidths[I];
382
383		if Colsum <> ClientWidth then
384		begin
385		ResizeColCount := 0;
386		for I := 0 to Columns.Count -1 do
387	<	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
387	>	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn and Columns[I].Visible then
388		begin
389		Inc(ResizeColCount);
390		Colsum := Colsum + TDBDynamicGridColumn(Columns[I]).DesignWidth - Columns[I].Width;
#	Line 390 | Line 397 | begin
397		n := (ClientWidth - ColSum) mod ResizeColCount;
398
399		for I := 0 to Columns.Count -1 do
400	<	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn then
400	>	if TDBDynamicGridColumn(Columns[I]).AutoSizeColumn and Columns[I].Visible then
401		begin
402		if I = 0 then
403		Columns[I].Width := Columns[I].Width + adjustment + n
#	Line 564 | Line 571 | begin
571		and (Key in [VK_RETURN,VK_UP,VK_DOWN]) then Exit; {Ignore Return in a CustomMemo}
572
573		if (AControl <> nil) and (AControl is TCustomGrid)
574	<	and (Key in [VK_RETURN,VK_UP,VK_DOWN,VK_TAB]) then Exit; {Ignore Return in a CustomMemo}
574	>	and (Key in [VK_RETURN,VK_UP,VK_DOWN,VK_TAB]) then Exit; {Ignore Return in a Custom Grid}
575	>
576	>	if (AControl <> nil) and ((AControl is TDateEdit) or (AControl is TEBEdit))
577	>	and (Key in [VK_RETURN,VK_UP,VK_DOWN,
578	>	VK_ESCAPE,VK_LEFT,VK_RIGHT]) then Exit; {Ignore Return in a Data edit}
579
580		if assigned(FOnKeyDownHander) then
581		OnKeyDownHander(Sender,Key,Shift,Done);
#	Line 609 | Line 620 | begin
620		if FEditorPanel <> nil then
621		RemoveFreeNotification(FEditorPanel);
622		FEditorPanel := AValue;
623	<	FreeNotification(FEditorPanel);
623	>	if FEditorPanel <> nil then
624	>	FreeNotification(FEditorPanel);
625		end;
626
627		procedure TDBDynamicGrid.ChangeBounds(ALeft, ATop, AWidth, AHeight: integer;
#	Line 676 | Line 688 | end;
688
689		procedure TDBDynamicGrid.Notification(AComponent: TComponent;
690		Operation: TOperation);
691	+	var i: integer;
692		begin
693		inherited Notification(AComponent, Operation);
694	<	if (Operation = opRemove) and
695	<	(AComponent = FEditorPanel) then FEditorPanel := nil;
694	>	if (Operation = opRemove) and not (csDestroying in ComponentState) then
695	>	begin
696	>	if AComponent = FEditorPanel then
697	>	FEditorPanel := nil
698	>	else
699	>	if AComponent is TControl then
700	>	begin
701	>	for i := 0 to Columns.Count - 1 do
702	>	if TDBDynamicGridColumn(Columns[I]).ColumnTotalsControl = AComponent then
703	>	TDBDynamicGridColumn(Columns[I]).ColumnTotalsControl := nil;
704	>	end;
705	>	end
706		end;
707
708		procedure TDBDynamicGrid.TopLeftChanged;
#	Line 692 | Line 715 | procedure TDBDynamicGrid.UpdateActive;
715		begin
716		inherited UpdateActive;
717
718	+	if not (csLoading in ComponentState) and assigned(DataLink)
719	+	and assigned(DataLink.DataSet) and DataLink.DataSet.Active then
720	+	DoGridResize;
721	+
722		if not (csLoading in ComponentState) and assigned(DataLink) and
723		assigned(FEditorPanel) and not FEditorPanel.Visible and
724		assigned(DataLink.DataSet) and (DataLink.DataSet.State = dsInsert) then
#	Line 730 | Line 757 | begin
757		end;
758
759		procedure TDBDynamicGrid.ShowEditorPanel;
760	+	var aEditor: TWinControl;
761		begin
762		if (csDesigning in ComponentState) or
763		(DataSource = nil) or (DataSource.DataSet = nil)
764		or ((DataSource.DataSet.RecordCount = 0) and (DataSource.DataSet.State <> dsInsert)) then
765		Exit;
766	<	Editor := FEditorPanel;
766	>	aEditor := FEditorPanel;
767	>	if assigned(FOnSelectPanelEditor) then
768	>	OnSelectPanelEditor(self,aEditor);
769	>	if FEditorPanel <> aEditor then
770	>	SetEditorPanel(aEditor);
771	>	Editor := aEditor;
772		EditorMode := true;
773		end;
774
#	Line 774 | Line 807 | begin
807		Result := inherited Width
808		end;
809
810	+	type
811	+	THackedGrid = class(TIBDynamicGrid)
812	+	public
813	+	property FixedCols;
814	+	end;
815	+
816		{ TDBLookupCellEditor }
817
818	+	function TDBLookupCellEditor.EditingKeyField: boolean;
819	+	begin
820	+	with TIBDynamicGridColumn(TDBGrid(FGrid).Columns[FCol - THackedGrid(FGrid).FixedCols]) do
821	+	Result := CompareText(FieldName, DBLookupProperties.DataFieldName) = 0;
822	+	end;
823	+
824		procedure TDBLookupCellEditor.WndProc(var TheMessage: TLMessage);
825		begin
826		if TheMessage.msg=LM_KILLFOCUS then begin
#	Line 794 | Line 839 | begin
839		UpdateData(nil); {Force Record Update}
840		if FGrid<>nil then
841		Begin
842	<	(FGrid as TIBDynamicGrid).EditorTextChanged(FCol, FRow, Trim(Text));
842	>	if EditingKeyField then
843	>	begin
844	>	if not VarIsNull(KeyValue) then
845	>	(FGrid as TIBDynamicGrid).EditorTextChanged(FCol, FRow, KeyValue)
846	>	end
847	>	else
848	>	(FGrid as TIBDynamicGrid).EditorTextChanged(FCol, FRow, Trim(Text));
849		(FGrid as TIBDynamicGrid).UpdateData;
850		end;
851		inherited CloseUp;
#	Line 819 | Line 870 | begin
870		CheckAndInsert;
871		Msg.Col := FCol;
872		Msg.Row := FRow;
873	<	Msg.Value:= Trim(Text);
873	>	if EditingKeyField then
874	>	begin
875	>	if not VarIsNull(KeyValue) then
876	>	Msg.Value:= KeyValue
877	>	else
878	>	Msg.Value:= ''
879	>	end
880	>	else
881	>	Msg.Value:= Trim(Text);
882		end;
883
884		procedure TDBLookupCellEditor.msg_SetGrid(var Msg: TGridMessage);
#	Line 907 | Line 966 | begin
966		if DataFieldName <> '' then
967		Editor.DataSource := TDBGrid(Grid).DataSource;
968		end;
969	<	Editor.Text := Editor.FEditText;
969	>	if Editor.EditingKeyField then
970	>	begin
971	>	if not Field.IsNull then
972	>	Editor.KeyValue := Editor.FEditText
973	>	end
974	>	else
975	>	Editor.Text := Editor.FEditText;
976		Editor.SelStart := Length(Editor.Text);
977		end;
978
#	Line 1180 | Line 1245 | end;
1245
1246		procedure TIBDynamicGrid.Notification(AComponent: TComponent;
1247		Operation: TOperation);
1248	+	var i: integer;
1249		begin
1250		inherited Notification(AComponent, Operation);
1251	<	if (Operation = opRemove) and
1252	<	(FIBControlLink <> nil) and (AComponent = DataSource) then FIBControlLink.IBDataSet := nil;
1251	>	if (Operation = opRemove) then
1252	>	begin
1253	>	if (FIBControlLink <> nil) and (AComponent = DataSource) then
1254	>	FIBControlLink.IBDataSet := nil
1255	>	else
1256	>	if AComponent is TDataSource then
1257	>	begin
1258	>	for i := 0 to Columns.Count - 1 do
1259	>	if TIBDynamicGridColumn(Columns[I]).DBLookupProperties.ListSource = AComponent then
1260	>	TIBDynamicGridColumn(Columns[I]).DBLookupProperties.ListSource := nil;
1261	>	end
1262	>	end
1263		end;
1264
1265		procedure TIBDynamicGrid.UpdateActive;

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