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RXLib/.svn/pristine/e9/e9a2125a72fde2616fe9582b0a7819b466c5d28e.svn-base

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+{ rxsortmemds unit
+
+  Copyright (C) 2005-2017 Lagunov Aleksey alexs75@yandex.ru and Lazarus team
+  original conception from rx library for Delphi (c)
+
+  This library is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or (at your
+  option) any later version with the following modification:
+
+  As a special exception, the copyright holders of this library give you
+  permission to link this library with independent modules to produce an
+  executable, regardless of the license terms of these independent modules,and
+  to copy and distribute the resulting executable under terms of your choice,
+  provided that you also meet, for each linked independent module, the terms
+  and conditions of the license of that module. An independent module is a
+  module which is not derived from or based on this library. If you modify
+  this library, you may extend this exception to your version of the library,
+  but you are not obligated to do so. If you do not wish to do so, delete this
+  exception statement from your version.
+
+  This program is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
+  for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with this library; if not, write to the Free Software Foundation,
+  Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+}
+
+unit rxsortmemds;
+
+{$mode objfpc}{$H+}
+
+interface
+
+uses
+  Classes, SysUtils, DB, RxDBGrid;
+
+type
+
+  { TRxMemoryDataSortEngine }
+
+  TRxMemoryDataSortEngine = class(TRxDBGridSortEngine)
+  protected
+  public
+    procedure Sort(FieldName: string; ADataSet:TDataSet; Asc:boolean; SortOptions:TRxSortEngineOptions);override;
+    procedure SortList(ListField:string; ADataSet:TDataSet; Asc: array of boolean; SortOptions: TRxSortEngineOptions);override;
+  end;
+
+implementation
+uses rxmemds;
+
+procedure TRxMemoryDataSortEngine.Sort(FieldName: string; ADataSet: TDataSet;
+  Asc: boolean; SortOptions: TRxSortEngineOptions);
+begin
+  if Assigned(ADataSet) then
+    (ADataSet as TRxMemoryData).SortOnFields(FieldName, seoCaseInsensitiveSort in SortOptions, not Asc);
+end;
+
+procedure TRxMemoryDataSortEngine.SortList(ListField: string;
+  ADataSet: TDataSet; Asc: array of boolean; SortOptions: TRxSortEngineOptions);
+begin
+  if Assigned(ADataSet) then
+    (ADataSet as TRxMemoryData).SortOnFields(ListField, seoCaseInsensitiveSort in SortOptions, Asc[0]);
+end;
+
+initialization
+  RegisterRxDBGridSortEngine(TRxMemoryDataSortEngine, 'TRxMemoryData');
+end.
+