unit U_FjList;

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
  TfrmFjList = 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
frmFjList: TfrmFjList;

implementation
 uses
  U_DataLink,U_Fun10;
{$R *.dfm}
procedure TfrmFjList.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 fileName 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 TfrmFjList.cxButton3Click(Sender: TObject);
begin
  ADOQueryTmp.Close;
  ADOQuerycmd.Close;
  ListView1.Items.Free;
  ModalResult:=-1;
end;

procedure TfrmFjList.FormDestroy(Sender: TObject);
begin
  frmFjList:=nil;
end;

procedure TfrmFjList.FileNameClick(Sender: TObject);
var
  OpenDiaLog: TOpenDialog;
  fFileName:string;
  fFilePath:string;
  maxNo:string;
//	myStream: TADOBlobStream;
//  FJStream : TMemoryStream;
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;

      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
        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);
    //      tblobfield(FieldByName('Filesother')).LoadFromFile(fFilePath);
          post;
        end;

        if fFilePath <> '' then
        begin
          try
					  IdFTP1.Host := ReadINIFileStr('SYSTEMSET.INI','SERVER','FTP地址','127.0.0.1');
					  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;

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

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

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

procedure TfrmFjList.ListView1DblClick(Sender: TObject);
var
  sFieldName:string;
  fileName:string;
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 := ReadINIFileStr('SYSTEMSET.INI','SERVER','FTP地址','127.0.0.1');
    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);

end;

procedure TfrmFjList.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 TfrmFjList.cxButton2Click(Sender: TObject);
var
  SaveDialog: TSaveDialog;
  fFileName:string;
  fFilePath:string;
begin
  if listView1.SelCount<1 then exit;

  try

    fFileName:=ListView1.Selected.Caption;

    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
        IdFTP1.Host := ReadINIFileStr('SYSTEMSET.INI','SERVER','FTP地址','127.0.0.1');;
        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 TfrmFjList.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  if fId=10 then Action:=cafree
  else
  Action:=cahide;
end;

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

end.