unit U_ReportImgSet1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData, cxDataStorage,
  cxEdit, DB, cxDBData, ToolWin, ComCtrls, U_BaseHelp, cxGridCustomTableView,
  cxGridTableView, cxGridDBTableView, cxGridLevel, cxClasses, cxControls,
  cxGridCustomView, cxGrid, DBClient, ADODB, ImgList, StdCtrls, ExtCtrls,
  cxTextEdit, cxGridCustomPopupMenu, cxGridPopupMenu, cxLookAndFeels,
  cxLookAndFeelPainters, dxSkinsCore, dxSkinsDefaultPainters, cxNavigator,
  dxDateRanges, dxBarBuiltInMenu, System.ImageList, U_BaseInput, RM_Common,
  RM_Preview, RM_Dataset, RM_Class, RM_GridReport, RM_e_Graphic, RM_e_Jpeg;

type
  TfrmReportImgSet1 = class(TfrmBaseHelp)
    ToolBar1: TToolBar;
    ADO_1: TADOQuery;
    ADOQueryTemp: TADOQuery;
    ADOQueryCmd: TADOQuery;
    TBSave: TToolButton;
    TBClose: TToolButton;
    ToolButton1: TToolButton;
    ADOConnection1: TADOConnection;
    ImageList1: TImageList;
    ThreeColorBase: TcxStyleRepository;
    SHuangSe: TcxStyle;
    SkyBlue: TcxStyle;
    Default: TcxStyle;
    QHuangSe: TcxStyle;
    Red: TcxStyle;
    FontBlue: TcxStyle;
    TextSHuangSe: TcxStyle;
    FonePurple: TcxStyle;
    FoneClMaroon: TcxStyle;
    FoneRed: TcxStyle;
    RowColor: TcxStyle;
    handBlack: TcxStyle;
    cxBlue: TcxStyle;
    SHuangSeCu: TcxStyle;
    RMPreview1: TRMPreview;
    RMLabel: TRMGridReport;
    RMDB_Label: TRMDBDataSet;
    ADOQueryLabel: TADOQuery;
    RMJPEGExport1: TRMJPEGExport;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure ToolButton1Click(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure TV1DblClick(Sender: TObject);
    procedure TBCloseClick(Sender: TObject);
    procedure TBSaveClick(Sender: TObject);
  private
    FFilePath, FFileName: string;
    procedure DownloadLabel();
    procedure InitLabel();
    function SaveData(): Boolean;
    { Private declarations }
  public
    FDataID, FLabelName: string;
    { Public declarations }
  end;

var
  frmReportImgSet1: TfrmReportImgSet1;

implementation

uses
  U_DataLink, U_RTFun;

{$R *.dfm}

function TfrmReportImgSet1.SaveData(): Boolean;
var
  MaxId, FImagePath1, FImagePath2: string;
  FJStream: TMemoryStream;
begin

  with RMLabel do
  begin
//    LoadFromBlobField(tblobfield(ADOQueryLabel.fieldbyname('Files')));
    FImagePath1 := ExtractFilePath(Application.ExeName) + 'image\label0001.jpg';
    if FileExists(FImagePath1) then
      DeleteFile(FImagePath1);

    FImagePath2 := ExtractFilePath(Application.ExeName) + 'image\label.jpg';
    PrepareReport;
    ExportTo(RMjpegExport1, FImagePath2);
  end;

  try
    FJStream := TMemoryStream.Create;

    FJStream.LoadFromFile(FImagePath1);

    ADOQueryCmd.Connection.BeginTrans;
    if Trim(FDataID) = '' then
    begin
      if GetLSNo(ADOQueryCmd, MaxId, 'R', 'BS_Img_Label', 4, 1) = False then
      begin
        raise Exception.Create('取最大号失败!');
      end;
    end
    else
    begin
      MaxId := Trim(FDataID);
    end;

    with ADOQueryCmd do
    begin
      Close;
      SQL.Clear;
      sql.Add('select * from BS_Img_Label where LabelId=''' + Trim(FDataID) + '''');
      Open;
    end;

    with ADOQueryCmd do
    begin
      if Trim(FDataID) = '' then
      begin
        Append;
        FieldByName('Filler').Value := Trim(DName);
      end
      else
      begin
        Edit;
        FieldByName('Editer').Value := Trim(DName);
        FieldByName('Edittime').Value := SGetServerDateTime(ADOQueryTemp);
      end;
      FieldByName('LabelId').Value := Trim(MaxId);
      FieldByName('DataID').Value := Trim(FDataID);
      tblobfield(FieldByName('LabelFile')).LoadFromFile(FFilePath);
      tblobfield(FieldByName('ImgFile')).LoadFromStream(FJStream);
      Post;
    end;
    ADOQueryCmd.Connection.CommitTrans;
    FJStream.Free;
    Result := True;
  except
    Result := false;
    FJStream.Free;
    ADOQueryCmd.Connection.RollbackTrans;
    application.MessageBox(PChar(Exception(ExceptObject).Message), '提示信息', 0);
  end;
end;

procedure TfrmReportImgSet1.DownloadLabel();
var
  ff: TADOBlobstream;
  Stream: TMemoryStream;
begin

  if FileExists(FFilePath) then
  begin
    DeleteFile(FFilePath);
  end;

  with ADOQueryLabel do
  begin
    close;
    sql.Clear;
    sql.Add(' select * from BS_Img_Label ');
    sql.Add(' where DataId= ' + quotedstr(FDataId));
    Open;
  end;
  if not ADOQueryLabel.IsEmpty then
  begin
    ff := TADOBlobstream.create(ADOQueryLabel.fieldByName('LabelFile') as TblobField, bmRead);

    if ff <> nil then
    begin
      try

        Stream := TMemoryStream.create;
        ff.SaveToStream(Stream);
        Stream.SaveToFile(FFilePath);
      finally
        Stream.Free;
      end;
    end;

  end;

end;

procedure TfrmReportImgSet1.InitLabel();
begin
  with RMLabel do
  begin
    Clear;
    LoadFromFile(FFilePath);
    Preview := RMPreview1;
    ShowReport;
  end;
end;

procedure TfrmReportImgSet1.FormCreate(Sender: TObject);
begin
  inherited;
  try
    with ADOConnection1 do
    begin
      Connected := false;
      ConnectionString := DConString;
      Connected := true;
    end;
    ADOQueryBaseCmd.Connection := ADOConnection1;
    ADOQueryBaseTemp.Connection := ADOConnection1;
  except
    application.MessageBox('网络连接失败！', '提示信息');
  end;
end;

procedure TfrmReportImgSet1.FormClose(Sender: TObject; var Action: TCloseAction);
begin

  Action := cafree;
end;

procedure TfrmReportImgSet1.FormShow(Sender: TObject);
begin
  inherited;
  self.Caption := FLabelName;
  with ADO_1 do
  begin
    close;
    sql.Clear;
    sql.Add(' select x=1');
    Open;
  end;
  FFilePath := ExtractFilePath(Application.ExeName) + 'report\' + trim(FDataID) + '.rmf';
  FFileName := trim(FDataID) + '.rmf';

  if not FileExists(FFilePath) then
  begin
    ExportFtErpFile(FLabelName + '.rmf', ADOQueryTemp);
    CopyFile(PChar(ExtractFilePath(Application.ExeName) + 'Report\' + FLabelName + '.rmf'), PChar(FFilePath), False);
  end;

  DownloadLabel();
  Initlabel();
end;

procedure TfrmReportImgSet1.TBCloseClick(Sender: TObject);
begin
  inherited;
  Close;
end;

procedure TfrmReportImgSet1.TBSaveClick(Sender: TObject);
begin
  if SaveData() then
  begin
    ModalResult := 1;
  end
  else
  begin
    Application.MessageBox('保存数据失败!', '提示', 0);
    Exit;
  end;
end;

procedure TfrmReportImgSet1.ToolButton1Click(Sender: TObject);
begin


//
//  MLabelID := TRIM(CDS_Label.fieldByName('LabelID').asString);
//  MLabelCaption := TRIM(CDS_Label.fieldByName('LabelCaption').asString);
//  ExportFtErpFile(MLabelCaption + '.rmf', ADOQueryTemp);
//  fPrintFile := ExtractFilePath(Application.ExeName) + 'report\' + MLabelCaption + '.rmf';
//
//  if not FileExists(fPrintFile) then
//    CopyFile(PChar(ExtractFilePath(Application.ExeName) + 'Report\模板标签.rmf'), PChar(fPrintFile), False);

  with RMLabel do
  begin
    RMLabel.Clear;
    RMDB_Label.DataSet := nil;
    Dictionary.FieldAliases.Clear;
    Dictionary.FieldAliases['RMDB_Label'] := '标签数据';
//    RMDB_Label.DataSet := ADO_1;
    LoadFromFile(FFilePath);
    application.ProcessMessages;
    DesignReport();
  end;
  InitLabel();
end;

procedure TfrmReportImgSet1.TV1DblClick(Sender: TObject);
begin
  ModalResult := 1;
end;

procedure TfrmReportImgSet1.FormDestroy(Sender: TObject);
begin
  inherited;
  frmReportImgSet1 := nil;
end;

end.