df28fec280
git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@941 8e941d3f-bd1b-0410-a28a-d453659cc2b4
88 lines
2.6 KiB
ObjectPascal
88 lines
2.6 KiB
ObjectPascal
unit exsortzeos;
|
|
|
|
{$mode objfpc}{$H+}
|
|
|
|
interface
|
|
|
|
uses
|
|
Classes, SysUtils, DB, RxDBGrid, ZConnection, ZDataset, ZAbstractRODataset;
|
|
|
|
type
|
|
TFBDataSetSortEngine = class(TExDBGridSortEngine)
|
|
public
|
|
procedure Sort(Field:TField; ADataSet:TDataSet; Asc:boolean);override;
|
|
procedure SortList(ListField:string; ADataSet:TDataSet; Asc:boolean);override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
procedure TFBDataSetSortEngine.Sort(Field:TField; ADataSet:TDataSet; Asc:boolean);
|
|
begin
|
|
if Assigned(ADataSet) then
|
|
if ADataSet.ClassName='TZReadOnlyQuery' then
|
|
begin
|
|
(ADataSet as TZReadOnlyQuery).SortedFields:=Field.FieldName;
|
|
if Asc then
|
|
(ADataSet as TZReadOnlyQuery).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZReadOnlyQuery).SortType:=stDescending;
|
|
end
|
|
else
|
|
if ADataSet.ClassName='TZQuery' then
|
|
begin
|
|
(ADataSet as TZQuery).SortedFields:=Field.FieldName;
|
|
if Asc then
|
|
(ADataSet as TZQuery).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZQuery).SortType:=stDescending;
|
|
end
|
|
else
|
|
if ADataSet.ClassName='TZTable' then
|
|
begin
|
|
(ADataSet as TZTable).SortedFields:=Field.FieldName;
|
|
if Asc then
|
|
(ADataSet as TZTable).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZTable).SortType:=stDescending;
|
|
end;
|
|
end;
|
|
|
|
procedure TFBDataSetSortEngine.SortList(ListField:string; ADataSet:TDataSet; Asc:boolean);
|
|
begin
|
|
if Assigned(ADataSet) then
|
|
if ADataSet.ClassName='TZReadOnlyQuery' then
|
|
begin
|
|
(ADataSet as TZReadOnlyQuery).SortedFields:=ListField;
|
|
if Asc then
|
|
(ADataSet as TZReadOnlyQuery).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZReadOnlyQuery).SortType:=stDescending;
|
|
end
|
|
else
|
|
if ADataSet.ClassName='TZQuery' then
|
|
begin
|
|
(ADataSet as TZQuery).SortedFields:=ListField;
|
|
if Asc then
|
|
(ADataSet as TZQuery).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZQuery).SortType:=stDescending;
|
|
end
|
|
else
|
|
if ADataSet.ClassName='TZTable' then
|
|
begin
|
|
(ADataSet as TZTable).SortedFields:=ListField;
|
|
if Asc then
|
|
(ADataSet as TZTable).SortType:=stAscending
|
|
else
|
|
(ADataSet as TZTable).SortType:=stDescending;
|
|
end;
|
|
end;
|
|
|
|
|
|
initialization
|
|
RegisterExDBGridSortEngine(TFBDataSetSortEngine, TZReadOnlyQuery);
|
|
RegisterExDBGridSortEngine(TFBDataSetSortEngine, TZQuery);
|
|
RegisterExDBGridSortEngine(TFBDataSetSortEngine, TZTable);
|
|
end.
|
|
|