78 lines
2.6 KiB
Plaintext
78 lines
2.6 KiB
Plaintext
{ RxDBGrid sort engine module for FBDataSet
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Copyright (C) 2005-2017 Lagunov Aleksey alexs@yandex.ru
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at your
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option) any later version with the following modification:
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent modules,and
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to copy and distribute the resulting executable under terms of your choice,
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provided that you also meet, for each linked independent module, the terms
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and conditions of the license of that module. An independent module is a
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module which is not derived from or based on this library. If you modify
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this library, you may extend this exception to your version of the library,
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but you are not obligated to do so. If you do not wish to do so, delete this
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exception statement from your version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
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for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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}
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unit exsortfb;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, DB,
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{$IFDEF FPC}
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RxDBGrid
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{$ELSE}
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exDBGrid
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{$ENDIF}
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;
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type
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{ TFBDataSetSortEngine }
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TFBDataSetSortEngine = class(TRxDBGridSortEngine)
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protected
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public
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procedure Sort(FieldName: string; ADataSet:TDataSet; Asc:boolean; SortOptions:TRxSortEngineOptions);override;
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procedure SortList(ListField:string; ADataSet:TDataSet; Asc: array of boolean; SortOptions: TRxSortEngineOptions);override;
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end;
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implementation
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uses FBCustomDataSet;
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procedure TFBDataSetSortEngine.Sort(FieldName: string; ADataSet: TDataSet;
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Asc: boolean; SortOptions: TRxSortEngineOptions);
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begin
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if Assigned(ADataSet) then
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(ADataSet as TFBDataSet).SortOnField(FieldName, Asc);
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end;
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procedure TFBDataSetSortEngine.SortList(ListField: string; ADataSet: TDataSet;
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Asc: array of boolean; SortOptions: TRxSortEngineOptions);
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begin
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if Assigned(ADataSet) then
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(ADataSet as TFBDataSet).SortOnFields(ListField, Asc);
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end;
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initialization
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RegisterRxDBGridSortEngine(TFBDataSetSortEngine, 'TFBDataSet');
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end.
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