david
2a98435b14
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.RemObjects@68 b6239004-a887-0f4b-9937-50029ccdca16
100 lines
2.7 KiB
ObjectPascal
100 lines
2.7 KiB
ObjectPascal
unit fClientDataModule;
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interface
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uses
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{vcl:} SysUtils, Classes, DB, DBClient,
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{RemObjects:} uROClient, uROClientIntf, uRORemoteService, uROBinMessage, uROWinInetHTTPChannel,
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{Data Abstract:} uDADataTable, uDABin2DataStreamer, uDAInterfaces, uDARemoteDataAdapter,
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uDADataStreamer, uDAScriptingProvider, uDAMemDataTable, uRODynamicRequest,
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uROEventRepository;
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type
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TClientDataModule = class(TDataModule)
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Message: TROBinMessage;
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Channel: TROWinInetHTTPChannel;
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RemoteService: TRORemoteService;
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DataStreamer: TDABin2DataStreamer;
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RemoteDataAdapter: TDARemoteDataAdapter;
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drLoginRequest: TRODynamicRequest;
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tbl_Clients: TDAMemDataTable;
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ds_Clients: TDADataSource;
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EventReceiver: TROEventReceiver;
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procedure DataModuleCreate(Sender: TObject);
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procedure tbl_ClientsCalcFields(DataTable: TDADataTable);
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private
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{ Private declarations }
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fLockedRows: TStringList;
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fIdField: TDAField;
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fLockedField: TDAField;
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public
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{ Public declarations }
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property LockedRows: TStringList read fLockedRows;
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procedure LockRow(aId: string);
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procedure UnlockRow(aId: string);
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procedure Login;
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end;
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var
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ClientDataModule: TClientDataModule;
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implementation
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{$R *.dfm}
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uses DASampleLibrary_Intf;
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{ TClientDataModule }
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procedure TClientDataModule.DataModuleCreate(Sender: TObject);
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begin
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fLockedRows := TStringList.Create;
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fIdField := tbl_Clients.FieldByName('ClientId');
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fLockedField := tbl_Clients.FieldByName('Locked');
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end;
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procedure TClientDataModule.LockRow(aId: string);
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begin
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if fLockedRows.IndexOf(aId) < 0 then fLockedRows.Add(aId);
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tbl_Clients.Refresh;
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end;
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procedure TClientDataModule.Login;
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begin
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with drLoginRequest do begin
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{$IFNDEF FPC}
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Params[0].Value := PlatformEnum_peWindowsDelphi;
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{$ELSE}
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{$IFDEF WINDOWS}
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Params[0].Value := PlatformEnum_peWindowsFPC;
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{$ELSE}
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{$IFDEF LINUX}
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Params[0].Value := PlatformEnum_peLinuxFPC;
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{$ELSE}
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Params[0].Value := PlatformEnum_peUnknown;
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{$ENDIF}
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{$ENDIF}
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{$ENDIF}
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Params[1].Value := 'DASQL Client';
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Execute(Params);
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end;
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end;
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procedure TClientDataModule.tbl_ClientsCalcFields(DataTable: TDADataTable);
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begin
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if fLockedRows.IndexOf(DataTable.Fields[fIdField.Index].AsString) >=0
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then DataTable.Fields[fLockedField.Index].AsString := 'X'
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else DataTable.Fields[fLockedField.Index].AsString := '';
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end;
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procedure TClientDataModule.UnlockRow(aId: string);
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var
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i: integer;
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begin
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i := fLockedRows.IndexOf(aId);
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if i >= 0 then fLockedRows.Delete(i);
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tbl_Clients.Refresh;
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end;
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end.
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