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lazarus-ccr/components/rx/exsortzeos.pas

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unit exsortzeos;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, DB,
{$IFDEF FPC}
RxDBGrid
{$ELSE}
exDBGrid
{$ENDIF}
,ZConnection, ZDataset, ZAbstractRODataset;
type
TFBDataSetSortEngine = class(TExDBGridSortEngine)
public
procedure Sort(Field:TField; ADataSet:TDataSet; Asc:boolean);override;
end;
implementation
//uses FBCustomDataSet;
procedure TFBDataSetSortEngine.Sort(Field:TField; ADataSet:TDataSet; Asc:boolean);
begin
if Assigned(ADataSet) then begin
(ADataSet as TZQuery).SortedFields:=Field.FieldName;
if Asc then (ADataSet as TZQuery).SortType:=stAscending
else (ADataSet as TZQuery).SortType:=stDescending;
end
end;
initialization
RegisterExDBGridSortEngine(TFBDataSetSortEngine, TZQuery);
end.