unit U_FjList10;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ExtCtrls, ComCtrls, Menus, cxLookAndFeelPainters, StdCtrls, cxButtons,
  DB, ADODB, ImgList, shellapi, IdBaseComponent, IdComponent, IdTCPConnection,
  IdTCPClient, IdFTP, strutils;

type
  TfrmFjList10 = class(TForm)
    ListView1: TListView;
    Panel1: TPanel;
    FileName: TcxButton;
    cxButton1: TcxButton;
    cxButton2: TcxButton;
    cxButton3: TcxButton;
    ADOQueryTmp: TADOQuery;
    ADOQueryCmd: TADOQuery;
    ImageList1: TImageList;
    Panel2: TPanel;
    IdFTP1: TIdFTP;
    ADOConnection1: TADOConnection;
    procedure cxButton3Click(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FileNameClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure ListView1DblClick(Sender: TObject);
    procedure cxButton1Click(Sender: TObject);
    procedure cxButton2Click(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure Panel2DblClick(Sender: TObject);
  private
    procedure InitData();
    { Private declarations }
  public
    fkeyNO: string;
    fType: string;
    fId: integer;
    fstatus: integer;

    { Public declarations }
  end;

var
  frmFjList10: TfrmFjList10;

implementation

uses
  U_DataLink, U_Fun10, U_CompressionFun;
{$R *.dfm}

procedure TfrmFjList10.InitData();
var
  ListItem: TListItem;
  Flag: Cardinal;
  info: SHFILEINFOA;
  Icon: TIcon;
begin
  ListView1.Items.Clear;
  try

    with adoqueryTmp do
    begin
      close;
      sql.Clear;
      sql.Add('select * from TP_File ');
      sql.Add('where WBID=' + quotedstr(trim(fkeyNO)));
      sql.Add('and TFType=' + quotedstr(trim(fType)));
      open;
      if not IsEmpty then
      begin
        while not eof do
        begin
          with ListView1 do
          begin
            LargeImages := ImageList1;
            Icon := TIcon.Create;
            ListItem := Items.Add;
            ListItem.Caption := trim(fieldbyname('fileName').AsString);
       //    Listitem.SubItems.Add(OpenDiaLog.FileName);
            Flag := (SHGFI_SMALLICON or SHGFI_ICON or SHGFI_USEFILEATTRIBUTES);
            SHGetFileInfo(Pchar(trim(fieldbyname('fileName').AsString)), 0, info, Sizeof(info), Flag);
            Icon.Handle := info.hIcon;
            ImageList1.AddIcon(Icon);
            ListItem.ImageIndex := ImageList1.Count - 1;
          end;
          next;
        end;
      end;
    end;
  except
  end;
end;

procedure TfrmFjList10.cxButton3Click(Sender: TObject);
begin
  ADOQueryTmp.Close;
  ADOQuerycmd.Close;
  ListView1.Items.Free;
  ModalResult := -1;
end;

procedure TfrmFjList10.FormDestroy(Sender: TObject);
begin
  frmFjList10 := nil;
end;

procedure TfrmFjList10.FileNameClick(Sender: TObject);
var
  OpenDiaLog: TOpenDialog;
  fFileName: string;
  fFilePath: string;
  maxNo: string;
//	myStream: TADOBlobStream;
//  FJStream : TMemoryStream;
  FJStream: TMemoryStream;
  mfileSize: integer;
  mCreationTime: TdateTime;
  mWriteTime: TdateTime;
begin

  try
    OpenDiaLog := TOpenDialog.Create(Self);
    if OpenDiaLog.Execute then
    begin
      fFilePath := OpenDiaLog.FileName;
      fFileName := ExtractFileName(OpenDiaLog.FileName);

      with adoqueryCmd do
      begin
        close;
        sql.Clear;
        sql.Add('select TFId from TP_File ');
        sql.Add('where WBID<>' + quotedstr(trim(fkeyNO)));     
        sql.Add('and TFType=' + quotedstr(trim(fType)));
        sql.Add('and FileName=' + quotedstr(trim(fFileName)));
        open;
        if not adoqueryCmd.IsEmpty then
        begin
          application.MessageBox('此附件名称已存在，请修改文件名，继续上传！', '提示信息', MB_ICONERROR);
          exit;
        end;
      end;

      Panel2.Caption := '正在上传数据，请稍等...';
      Panel2.Visible := true;
      application.ProcessMessages;

      if GetLSNo(ADOQueryCmd, maxNo, 'FJ', 'TP_File', 4, 1) = False then
      begin
        Application.MessageBox('取最大号失败！', '提示', 0);
        Exit;
      end;

             //获取文件信息
      GetFileInfo(fFilePath, mfileSize, mCreationTime, mWriteTime);

      adoqueryCmd.Connection.BeginTrans;

      with adoqueryCmd do
      begin
        close;
        sql.Clear;
        sql.Add('delete from TP_File ');
        sql.Add('where WBID=' + quotedstr(trim(fkeyNO)));
        sql.Add('and TFType=' + quotedstr(trim(fType)));
        sql.Add('and FileName=' + quotedstr(trim(fFileName)));
        execsql;
      end;

      try
        FJStream := TMemoryStream.Create;
        with adoqueryCmd do
        begin
          close;
          sql.Clear;
          sql.Add('select * from TP_File ');
          sql.Add('where WBID=' + quotedstr(trim(fkeyNO)));
          sql.Add('and TFType=' + quotedstr(trim(fType)));
          sql.Add('and FileName=' + quotedstr(trim(fFileName)));
          open;
          append;
          fieldbyname('TFID').Value := trim(maxNo);
          fieldbyname('WBID').Value := trim(fkeyNO);
          fieldbyname('TFType').Value := trim(fType);
          fieldbyname('FileName').Value := trim(fFileName);
          FJStream.LoadFromFile(fFilePath);
          CompressionStream(FJStream);
          tblobfield(FieldByName('Filesother')).LoadFromStream(FJStream);
    //      tblobfield(FieldByName('Filesother')).LoadFromFile(fFilePath);
          post;
        end;

     {   if fFilePath <> '' then
        begin
          try
					  IdFTP1.Host := PicSvr;
					  IdFTP1.Username := 'three';
					  IdFTP1.Password := '641010';
					  IdFTP1.Connect();
            IdFTP1.Put(fFilePath, 'FJ\' + Trim(fFileName));
					  IdFTP1.Quit;
          except
					  IdFTP1.Quit;
					  Application.MessageBox('上传客户图样文件失败，请检查文件服务器！', '提示', MB_ICONWARNING);
          end;
        end;
        IdFTP1.Quit;  }

        Panel2.Visible := false;
        initdata();
      finally
       // FJStream.Free;
      end;
      adoqueryCmd.Connection.CommitTrans;
    end;

  except
    adoqueryCmd.Connection.RollbackTrans;
    application.MessageBox('附件保存失败！', '提示信息', 0);
  end;
end;

procedure TfrmFjList10.FormCreate(Sender: TObject);
begin
  with ADOConnection1 do
  begin
    Connected := false;
    ConnectionString := DConString;
      //ConnectionString:='';
    Connected := true;
  end;
  ListView1.Align := alclient;
  fstatus := 0;
end;

procedure TfrmFjList10.FormShow(Sender: TObject);
begin
  if fstatus = 0 then
    Panel1.Visible := true
  else
    Panel1.Visible := false;
  initdata();
end;

procedure TfrmFjList10.ListView1DblClick(Sender: TObject);
var
  sFieldName: string;
  fileName: string;
  ff: TADOBlobStream;
  FJStream: TMemoryStream;
begin
  if ListView1.Items.Count < 1 then
    EXIT;

  if listView1.SelCount < 1 then
    exit;
  sFieldName := leftbstr(ExtractFilePath(Application.ExeName), 1) + ':\图片查看';

  if not DirectoryExists(pchar(sFieldName)) then
    CreateDirectory(pchar(sFieldName), nil);

  fileName := ListView1.Selected.Caption;

  sFieldName := sFieldName + '\' + trim(fileName);

{  try
    IdFTP1.Host := PicSvr;
    IdFTP1.Username := 'three';
		IdFTP1.Password := '641010';
    IdFTP1.Connect();
  except
    ;
  end;

  if IdFTP1.Connected then
  begin

      Panel2.Caption:='正在下载数据，请稍等...';
      Panel2.Visible:=true;
      application.ProcessMessages;
    try
      IdFTP1.Get('FJ\'+ Trim(fileName), sFieldName,true, false);
    except
      Panel2.Visible:=false;
      Application.MessageBox('客户图样文件不存在', '提示', MB_ICONWARNING);
      IdFTP1.Quit;
      Exit;
    end;
  end
  else
  begin
    Panel2.Visible:=false;
    Application.MessageBox('无法连接文件服务器', '提示', MB_ICONWARNING);
    IdFTP1.Quit;
    Exit;
  end;
  Panel2.Visible:=false;
   if IdFTP1.Connected then IdFTP1.Quit;
  ShellExecute(Handle, 'open',PChar(sFieldName),'', '', SW_SHOWNORMAL);
   }

  try
    adoqueryTmp.Locate('FileName', fileName, []);
    ff := TADOBlobstream.Create(adoqueryTmp.fieldByName('FilesOther') as TblobField, bmRead);

    FJStream := TMemoryStream.Create;
    ff.SaveToStream(FJStream);
    UnCompressionStream(FJStream);
    FJStream.SaveToFile(sFieldName);
    ShellExecute(Handle, 'open', PChar(sFieldName), '', '', SW_SHOWNORMAL);
  finally
    FJStream.free;
    ff.Free;
  end;
end;

procedure TfrmFjList10.cxButton1Click(Sender: TObject);
var
  fFileName: string;
  fFilePath: string;
begin
  if listView1.SelCount < 1 then
    exit;

  try
    fFileName := ListView1.Selected.Caption;
   // ADOQueryTmp.Locate('fileName',fFileName,[]);

    with ADOQueryCmd do
    begin
      close;
      sql.Clear;
      sql.Add('delete  from TP_File ');
      sql.Add('where WBID=' + quotedstr(trim(fkeyNO)));
      sql.Add('and TFType=' + quotedstr(trim(fType)));
      sql.Add('and FileName=' + quotedstr(trim(fFileName)));
      execsql;
    end;

    initData();

  except
  end;

end;

procedure TfrmFjList10.cxButton2Click(Sender: TObject);
var
  SaveDialog: TSaveDialog;
  fFileName: string;
  fFilePath: string;
  ff: TADOBlobStream;
  FJStream: TMemoryStream;
begin
  if listView1.SelCount < 1 then
    exit;

  try

    fFileName := ListView1.Selected.Caption;
    adoqueryTmp.Locate('FileName', fFileName, []);

    SaveDialog := TSaveDialog.Create(Self);

    SaveDialog.FileName := fFileName;
    if SaveDialog.Execute then
    begin
      Panel2.Caption := '正在保存数据，请稍等...';
      Panel2.Visible := true;
      application.ProcessMessages;
      fFilePath := SaveDialog.FileName;
      try
        ff := TADOBlobstream.Create(adoqueryTmp.fieldByName('FilesOther') as TblobField, bmRead);

        FJStream := TMemoryStream.Create;
        ff.SaveToStream(FJStream);
        UnCompressionStream(FJStream);
        FJStream.SaveToFile(fFilePath);
      // ShellExecute(Handle, 'open',PChar(sFieldName),'', '', SW_SHOWNORMAL);
      finally
        FJStream.free;
        ff.Free;
        Panel2.Visible := false;
      end;

    end;
   {   try
        IdFTP1.Host := PicSvr;
        IdFTP1.Username := 'three';
		    IdFTP1.Password := '641010';
        IdFTP1.Connect();
      except
        ;
      end;

      if IdFTP1.Connected then
      begin

        Panel2.Caption:='正在下载数据，请稍等...';
        Panel2.Visible:=true;
        application.ProcessMessages;
      try
       IdFTP1.Get('FJ\'+ Trim(fFileName), fFilePath,false, true);
      except
        Panel2.Visible:=false;
        Application.MessageBox('客户图样文件不存在', '提示', MB_ICONWARNING);
        IdFTP1.Quit;
        Exit;
      end;
    end
    else
    begin
      Panel2.Visible:=false;
      Application.MessageBox('无法连接文件服务器', '提示', MB_ICONWARNING);
      IdFTP1.Quit;
      Exit;
    end;
     Panel2.Visible:=false;
     if IdFTP1.Connected then IdFTP1.Quit;
    end;  }
  except
    Panel2.Visible := false;
  end;
end;

procedure TfrmFjList10.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  if fId = 10 then
    Action := cafree
  else
    Action := cahide;
end;

procedure TfrmFjList10.Panel2DblClick(Sender: TObject);
begin
  Panel2.Visible := false;
end;

end.