BSOne.SFC/eCrmHE/EXE_eCrmHomeEdition/DRM/DEncryptDrm.pas

unit DEncryptDrm;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, VirtualTrees, Vcl.ExtCtrls, Vcl.StdCtrls,
  Vcl.Menus, System.Generics.Collections;

const
  WM_CLICK_DECRYPT = WM_USER + 8548;

type
  PDrmEnt = ^TDrmEnt;
  TDrmEnt = record
    sDir,
    sExt,
    sFName: String;
    bDrm: Boolean;
    nImgIdx: Integer;
  end;

  TDlgEncryptDrm = class(TForm)
    pnTop: TPanel;
    pnClient: TPanel;
    vtList: TVirtualStringTree;
    btnEncrypt: TButton;
    Label1: TLabel;
    popFun: TPopupMenu;
    miDelFile: TMenuItem;
    miDelNoDrm: TMenuItem;
    N1: TMenuItem;
    miClear: TMenuItem;
    btnAddFile: TButton;
    btnAddDir: TButton;
    OpenDialog: TOpenDialog;
    FileOpenDialog: TFileOpenDialog;
    procedure vtListGetNodeDataSize(Sender: TBaseVirtualTree;
      var NodeDataSize: Integer);
    procedure vtListGetHint(Sender: TBaseVirtualTree; Node: PVirtualNode;
      Column: TColumnIndex; var LineBreakStyle: TVTTooltipLineBreakStyle;
      var HintText: string);
    procedure vtListGetText(Sender: TBaseVirtualTree; Node: PVirtualNode;
      Column: TColumnIndex; TextType: TVSTTextType; var CellText: string);
    procedure vtListPaintText(Sender: TBaseVirtualTree;
      const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
      TextType: TVSTTextType);
    procedure vtListGetImageIndex(Sender: TBaseVirtualTree; Node: PVirtualNode;
      Kind: TVTImageKind; Column: TColumnIndex; var Ghosted: Boolean;
      var ImageIndex: TImageIndex);
    procedure vtListAfterPaint(Sender: TBaseVirtualTree; TargetCanvas: TCanvas);
    procedure vtListFreeNode(Sender: TBaseVirtualTree; Node: PVirtualNode);
    procedure miDelFileClick(Sender: TObject);
    procedure miDelNoDrmClick(Sender: TObject);
    procedure btnEncryptClick(Sender: TObject);
    procedure vtListContextPopup(Sender: TObject; MousePos: TPoint;
      var Handled: Boolean);
    procedure miClearClick(Sender: TObject);
    procedure btnAddFileClick(Sender: TObject);
    procedure btnAddDirClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
    FileImageList_: TImageList;
    vtListOldWndProc_: TWndMethod;
    CheckFList_: TStringList;
    DcNDrvIps_: TDictionary<String,String>;
    sUName_, sDept_, sEmpNo_, sPoName_: String;
    procedure vtListWndProc(var msg: TMessage);
    function CountNorFile: Integer;
    procedure AddFile(sPath: String);

    function CheckNetPath(sPath: String): String;
  public
    { Public declarations }
    Constructor Create(aOwner: TComponent); override;
    procedure CreateParams(var Params: TCreateParams); override; // 작업표시줄에 표시
    Destructor Destroy; override;

    procedure AddFiles(aList: TStringList);
  end;

var
  DlgEncryptDrm: TDlgEncryptDrm;

implementation

uses
{$IFDEF _HE_}
  ManagerService, ManagerModel,
{$ENDIF}
{$IFDEF _HE_HLP_}
  ProcessParam,
{$ENDIF}
  Tocsg.Convert, Tocsg.Shell, Winapi.ShellAPI, Tocsg.Path, Tocsg.DRM.Encrypt,
  Tocsg.Encrypt, GlobalDefine, Condition, Tocsg.Files, Tocsg.Strings,
  Tocsg.VTUtil, superobject, DefineHelper, Define,
  Tocsg.Exception, Tocsg.Process, Tocsg.Trace, Tocsg.Network, Tocsg.Safe;

resourcestring
  RS_MsgAddFile = '먼저 파일을 추가해 주십시오.';
  RS_NoTgFile = '암호화 할 파일이 없습니다.';
  RS_Q_DrmDec = 'DRM 적용을 하시겠습니까?';
  RS_MsgError = '작업을 준비하는 중 오류가 발생했습니다.';
  RS_CompleteWork1 = '작업을 완료했습니다.';
  RS_CompleteWork2 = '(성공 : %d, 실패 : %d, 무시 : %d)';
  RS_Q_Clear = '목록을 초기화 하시겠습니까?';
  RS_SelExceptFile = '제외 할 파일을 선택해 주십시오.';
  RS_Q_ExceptFile = '선택한 파일들을 제외 하시겠습니까?';
  RS_NoExceptFile = '제외 할 파일이 없습니다.';
  RS_DrmFileDragDrop = '대상 파일을 드래그/드롭 해주십시오.';

{$R *.dfm}

Constructor TDlgEncryptDrm.Create(aOwner: TComponent);
var
  hSysIcons: THandle;
begin
  Inherited Create(aOwner);

{$IFDEF _HE_}
  sUName_ := gMgSvc.UName;
  sDept_ := gMgSvc.DeptName;
  if sDept_ = '' then
    sDept_ := gMgSvc.ModePolicy.DeptName;
  sEmpNo_ := gMgSvc.EmpNo;
  sPoName_ := gMgSvc.ModePolicy.PolicyName;
{$ENDIF}

{$IFDEF _HE_HLP_}
  sUName_ := gParam.DrmI.sUName;
  sDept_ := gParam.DrmI.sDept;
  sEmpNo_ := gParam.DrmI.sEmpNo;
  sPoName_ := gParam.DrmI.sPoName;
{$ENDIF}

  FileImageList_ := TImageList.Create(Self);
  FileImageList_.ShareImages := true;
  FileImageList_.BlendColor := clHighlight;
  hSysIcons := GetShellImageHandle;
  if hSysIcons <> 0 then
  begin
    FileImageList_.Handle := hSysIcons;
    vtList.Images := FileImageList_;
  end;

  DcNDrvIps_ := TDictionary<String,String>.Create;
//  sParam_ := GetRunExePathDir + DIR_CONF + DAT_PARAM;
//  sOutPath_ := 'C:\ProgramData\HE\Task\';
//  ForceDirectories(sOutPath_);
//  sOutPath_ := sOutPath_ + '$ND.dat';

  CheckFList_ := TStringList.Create;
  CheckFList_.CaseSensitive := false;

  vtListOldWndProc_ := vtList.WindowProc;
  vtList.WindowProc := vtListWndProc;
  DragAcceptFiles(vtList.Handle, true);
  ChangeWindowMessageFilter(WM_COPYDATA, MSGFLT_ADD);
  ChangeWindowMessageFilter(WM_DROPFILES, MSGFLT_ADD);
  ChangeWindowMessageFilter(WM_COPYGLOBALDATA, MSGFLT_ADD);
end;

procedure TDlgEncryptDrm.CreateParams(var Params: TCreateParams);
begin
  Inherited CreateParams(Params);
{$IFDEF _HE_}
  Params.ExStyle := WS_EX_APPWINDOW;
{$ENDIF}
end;

Destructor TDlgEncryptDrm.Destroy;
begin
  FreeAndNil(CheckFList_);
  FreeAndNil(DcNDrvIps_);
  Inherited;
end;

procedure TDlgEncryptDrm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
  Action := caFree;
end;

function TDlgEncryptDrm.CountNorFile: Integer;
var
  pData: PDrmEnt;
  pNode: PVirtualNode;
begin
  Result := 0;
  vtList.BeginUpdate;
  try
    pNode := vtList.GetFirst;
    while pNode <> nil do
    begin
      pData := vtList.GetNodeData(pNode);
      if not pData.bDrm then
        Inc(Result);
      pNode := vtList.GetNext(pNode);
    end;
  finally
    vtList.EndUpdate;
  end;
end;

function TDlgEncryptDrm.CheckNetPath(sPath: String): String;
var
  sDrive, sExe, sIpAddr: String;
  dwExecuteTick, dwWaitResult: DWORD;
begin
  Result := sPath;
  try
    sDrive := IncludeTrailingPathDelimiter(ExtractFileDrive(sPath));
    if not DirectoryExists(sDrive) then
    begin
      sIpAddr := '';
      if not DcNDrvIps_.ContainsKey(sDrive) then
      begin
//        sExe := GetRunExePathDir + DIR_CONF + EXE_HLP;
//        if FileExists(sExe) then
//        begin
//          var O: ISuperObject := SO;
//          O.I['RcvWnd'] := Handle;
//          O.I['Cmd'] := HPCMD_REQ_NETDRVADDR;
//          O.S['NetDrv'] := sDrive;
//          O.S['OutPath'] := sOutPath_;
//
//          SaveJsonObjToFile(O, sParam_);
//        {$IFDEF DEBUG}
//          ExecuteAppWaitUntilTerminate(sExe, '', SW_HIDE);
//        {$ELSE}
//          var PI: TProcessInformation := ExecuteAppAsUser('explorer.exe', sExe, '', SW_HIDE);
//          TTgTrace.T('TDlgEncryptDrm.AddFile() .. 1');
//          if PI.hProcess <> 0 then
//          begin
//            TTgTrace.T('TDlgEncryptDrm.AddFile() .. 2');
//            dwExecuteTick := GetTickCount;
//            while true do
//            begin
//              dwWaitResult := WaitForSingleObject(PI.hProcess, 50);
//              if dwWaitResult <> WAIT_TIMEOUT then
//                break;
//
//              if ((GetTickCount - dwExecuteTick) > 5000) then
//              begin
//                TerminateProcess(PI.hProcess, 999);
//                break;
//              end;
//            end;
//            TTgTrace.T('TDlgEncryptDrm.AddFile() .. 3');
//          end;
//        {$ENDIF}
//          TTgTrace.T('TDlgEncryptDrm.AddFile() .. 4');
//          if FileExists(sOutPath_) then
//          begin
//            TTgTrace.T('TDlgEncryptDrm.AddFile() .. 5');
//            sIpAddr := LoadStrFromFile(sOutPath_, TEncoding.UTF8);
////            if sIpAddr <> '' then // 빈값도 넣어줘서 다시 안찾게 함 24_1216 16:22:23 kku
//            begin
//              DcNDrvIps_.Add(sDrive, sIpAddr);
//              TTgTrace.T('TDlgEncryptDrm.AddFile() .. 6, IP=%s', [sIpAddr]);
//            end;
//          end;
//          DeleteFile(sOutPath_);
//          DeleteFile(sParam_);
//        end;

        sIpAddr := NetDriveToRemoteAddr(sDrive);
        DcNDrvIps_.Add(sDrive, sIpAddr);
      end else
        sIpAddr := DcNDrvIps_[sDrive];

      if sIpAddr = '' then
        exit;

//      TTgTrace.T('TDlgEncryptDrm.AddFile() .. 7, IP=%s', [sIpAddr]);

      sIpAddr := IncludeTrailingPathDelimiter(sIpAddr);
      Result := StringReplace(sPath, sDrive, sIpAddr, [rfReplaceAll, rfIgnoreCase]);

//      TTgTrace.T('TDlgEncryptDrm.AddFile() .. 8, Path=%s', [Result]);
    end;
  except
    on E: Exception do
      ETgException.TraceException(Self, E, 'Fail .. CheckNetPath()');
  end;
end;

procedure TDlgEncryptDrm.AddFile(sPath: String);
var
  pData: PDrmEnt;
begin
  try
    if CheckFList_.IndexOf(sPath) <> -1 then
      exit;

    CheckFList_.Add(sPath);

    pData := VT_AddChildData(vtList);
    pData.sDir := ExtractFilePath(sPath);
    pData.sFName := ExtractFileName(sPath);
    pData.sExt := GetFileExt(pData.sFName).ToUpper;
    pData.nImgIdx := -1;
    try
      pData.bDrm := TTgEncrypt.CheckSign(sPath, SIG_DRM);
    except
      pData.bDrm := false;
    end;
  except
    on E: Exception do
      ETgException.TraceException(Self, E, 'Fail .. AddFile()');
  end;
end;

procedure TDlgEncryptDrm.AddFiles(aList: TStringList);
var
  sPath: String;
  i: Integer;
begin
  vtList.BeginUpdate;
  try
    for i := 0 to aList.Count - 1 do
    begin
      sPath := aList[i];

//      if not FileExists(sPath) then
//        continue;

      AddFile(sPath);
    end;
  finally
    vtList.EndUpdate;
  end;
end;

procedure TDlgEncryptDrm.btnAddDirClick(Sender: TObject);

  procedure ExtrctFilesFromDir(sDir: String);
  var
    wfd: TWin32FindData;
    hSc: THandle;
    sPath: String;
  begin
    sDir := IncludeTrailingPathDelimiter(sDir);
    sPath := sDir + '*.*';

    hSc := FindFirstFile(PChar(sPath), wfd);
    if hSc = INVALID_HANDLE_VALUE then
      exit;

    try
      Repeat
        if (String(wfd.cFileName) <> '.') and (String(wfd.cFileName) <> '..') then
          if ((wfd.dwFileAttributes and FILE_ATTRIBUTE_DIRECTORY) <> 0) then
          begin
            ExtrctFilesFromDir(sDir + wfd.cFileName);
          end else begin
            AddFile(sDir + wfd.cFileName);
          end;
      Until not FindNextFile(hSc, wfd);
    finally
      WinApi.Windows.FindClose(hSc);
    end;
  end;

begin
  if FileOpenDialog.FileName = '' then
    FileOpenDialog.DefaultFolder := Format('C:\Users\%s\Desktop', [sUName_]);

  if FileOpenDialog.Execute then
  begin
    ExtrctFilesFromDir(FileOpenDialog.FileName);
  end;
end;

procedure TDlgEncryptDrm.btnAddFileClick(Sender: TObject);
var
  i: Integer;
begin
  if (OpenDialog.Files.Count = 0) or (OpenDialog.FileName = '') then
    OpenDialog.InitialDir := Format('C:\Users\%s\Desktop', [sUName_]);

  if OpenDialog.Execute(Handle) then
  begin
    vtList.BeginUpdate;
    try
      for i := 0 to OpenDialog.Files.Count - 1 do
        AddFile(OpenDialog.Files[i]);
    finally
      vtList.EndUpdate;
    end;
  end;
end;

procedure TDlgEncryptDrm.btnEncryptClick(Sender: TObject);
var
  nSuccess, nFail, nEncCnt: Integer;
  pNode: PVirtualNode;
  pData: PDrmEnt;
  enc: TTgDrmEnc;
  sPath,
  sDept,
  sTaskDir,
  sTgEncPath: String;
  bResult: Boolean;
{$IFDEF _HE_HLP_}
  O, OA: ISuperObject;
{$ENDIF}
begin
  if vtList.RootNodeCount = 0 then
  begin
    MessageBox(Handle, PChar(RS_MsgAddFile), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

  if CountNorFile = 0 then
  begin
    MessageBox(Handle, PChar(RS_NoTgFile), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

  sTaskDir := 'C:\ProgramData\HE\EncTask\';
  DeleteDir(sTaskDir);

  if not ForceDirectories(sTaskDir) then
  begin
    MessageBox(Handle, PChar(RS_MsgError), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

{$IFDEF _HE_HLP_}
  OA := TSuperObject.Create(stArray);
{$ENDIF}

  vtList.BeginUpdate;
  try
    nSuccess := 0;
    nFail := 0;
    nEncCnt := 0;

    pNode := vtList.GetFirst;
    while pNode <> nil do
    begin
      pData := vtList.GetNodeData(pNode);
      pNode := vtList.GetNext(pNode);

      if not pData.bDrm then
      begin
        try
          bResult := false;
          sPath := pData.sDir + pData.sFName;

          if TTgEncrypt.CheckSign(sPath, SIG_DRM) then
          begin
            pData.bDrm := true;
            Inc(nEncCnt);
            continue;
          end;

          sTgEncPath := GetSameFileNameInc(sTaskDir + '$Tmpe' + ExtractFileName(sPath));
          if MoveFile_wait(sPath, sTgEncPath, 3) then
          begin
            SaveStrToFile(sTgEncPath + '.i', sPath, TEncoding.UTF8);
            enc := TTgDrmEnc.Create(sPath);
            try
              enc.SetHaed(PASS_DRM_HEAD, SIG_DRM, sEmpNo_, sUName_, sDept_, sPoName_, CUSTOMER_TYPE);
              if enc.EncryptFromFile(GetMK, sTgEncPath) then
                bResult := DeleteFile(sTgEncPath);
            finally
              FreeAndNil(enc);
            end;

            if bResult then
            begin
              DeleteFile(PChar(sTgEncPath + '.i'));
              Inc(nSuccess);
              pData.bDrm := true;
            {$IFDEF _HE_}
              if gMgSvc.IsNewApi then
              begin
                var LogInfo: TLogInfo;
                ZeroMemory(@LogInfo, SizeOf(LogInfo));
                LogInfo.sCode := PREVENT_DRM_ENCRYPT;
                LogInfo.sPath := sPath;
                LogInfo.sSummary := ExtractFileName(sPath);
                gMgSvc.SendEventLogEx(@LogInfo, false);
              end else
                gMgSvc.SendEventLog(URI_USER_ACTION, PREVENT_DRM_ENCRYPT, sPath);
            {$ENDIF}

            {$IFDEF _HE_HLP_}
              OA.AsArray.Add(sPath);
            {$ENDIF}
            end else begin
            // 원상복구
              MoveFile_wait(sTgEncPath, sPath, 3);
              DeleteFile(PChar(sTgEncPath + '.i'));
              Inc(nFail);
              TTgTrace.T('Fail .. TDlgEncryptDrm.EncFile(), Path=%s', [sPath]);
            end;
          end;
        except
          Inc(nFail);
        end;
      end else
        Inc(nEncCnt);
    end;

  {$IFDEF _HE_HLP_}
    if OA.AsArray.Length > 0 then
    begin
      O := SO;
      O.B['IsEnc'] := true;
      O.O['List'] := OA;

      gParam.SendData(HPCMD_OPEN_ENCRYPT, O.AsJSon);
    end;
  {$ENDIF}
  finally
    DeleteDir(sTaskDir);
    vtList.EndUpdate;
  end;

  MessageBox(Handle, PChar(Format(RS_CompleteWork1+#13+#10+RS_CompleteWork2,
          [nSuccess, nFail, nEncCnt])), PChar(Caption), MB_ICONINFORMATION or MB_OK);
end;

procedure TDlgEncryptDrm.miClearClick(Sender: TObject);
begin
  if MessageBox(Handle, PChar(RS_Q_Clear),
      PChar(Caption), MB_ICONQUESTION or MB_YESNO) = IDNO then exit;

  CheckFList_.Clear;
  VT_Clear(vtList);
end;

procedure TDlgEncryptDrm.miDelFileClick(Sender: TObject);
var
  pNode: PVirtualNode;
  pData: PDrmEnt;
  nIdx: Integer;
begin
  pNode := vtList.GetFirstSelected;
  if pNode = nil then
  begin
    MessageBox(Handle, PChar(RS_SelExceptFile), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

  if MessageBox(Handle, PChar(RS_Q_ExceptFile),
      PChar(Caption), MB_ICONQUESTION or MB_YESNO) = IDNO then exit;

  vtList.BeginUpdate;
  try
    while pNode <> nil do
    begin
      pData := vtList.GetNodeData(pNode);
      nIdx := CheckFList_.IndexOf(pData.sDir + pData.sFName);
      if nIdx <> -1 then
        CheckFList_.Delete(nIdx);
      pNode := vtList.GetNextSelected(pNode);
    end;

    vtList.DeleteSelectedNodes;
  finally
    vtList.EndUpdate;
  end;
end;

procedure TDlgEncryptDrm.miDelNoDrmClick(Sender: TObject);
var
  pNode,
  pDNode: PVirtualNode;
  pData: PDrmEnt;
  nIdx: Integer;
begin
  pNode := vtList.GetFirst;
  if pNode = nil then
  begin
    MessageBox(Handle, PChar(RS_NoExceptFile), PChar(Caption), MB_ICONWARNING or MB_OK);
    exit;
  end;

  vtList.BeginUpdate;
  try
    while pNode <> nil do
    begin
      pData := vtList.GetNodeData(pNode);
      if pData.bDrm then
      begin
        nIdx := CheckFList_.IndexOf(pData.sDir + pData.sFName);
        if nIdx <> -1 then
          CheckFList_.Delete(nIdx);
        pDNode := pNode;
      end else
        pDNode := nil;

      pNode := vtList.GetNext(pNode);

      if pDNode <> nil then
        vtList.DeleteNode(pDNode);
    end;
  finally
    vtList.EndUpdate;
  end;
end;

procedure TDlgEncryptDrm.vtListWndProc(var msg: TMessage);

  procedure ExtrctFilesFromDir(sDir: String);
  var
    wfd: TWin32FindData;
    hSc: THandle;
    sPath: String;
  begin
    sDir := IncludeTrailingPathDelimiter(CheckNetPath(sDir));
    sPath := sDir + '*.*';

    hSc := FindFirstFile(PChar(sPath), wfd);
    if hSc = INVALID_HANDLE_VALUE then
      exit;

    try
      Repeat
        if (String(wfd.cFileName) <> '.') and (String(wfd.cFileName) <> '..') then
          if ((wfd.dwFileAttributes and FILE_ATTRIBUTE_DIRECTORY) <> 0) then
          begin
            ExtrctFilesFromDir(sDir + wfd.cFileName);
          end else begin
            AddFile(sDir + wfd.cFileName);
          end;
      Until not FindNextFile(hSc, wfd);
    finally
      WinApi.Windows.FindClose(hSc);
    end;
  end;

var
  sPath: String;
  nCnt: Integer;
  i, nLen: Integer;
  pNode: PVirtualNode;
  pData: PDrmEnt;
begin
  if msg.Msg = WM_DROPFILES then
  begin
    nCnt := DragQueryFile(msg.WParam, DWORD(-1), nil, MAX_PATH);

    vtList.BeginUpdate;
    try
      for i := 0 to nCnt - 1 do
      begin
        nLen := DragQueryFile(msg.WParam, i, nil, 0) + 1;
        SetLength(sPath, nLen);
        DragQueryFile(msg.WParam, i, PChar(sPath), nLen);
        sPath := CheckNetPath(DeleteNullTail(sPath));

        if FileExists(sPath) then
          AddFile(sPath)
        else if DirectoryExists(sPath) then
          ExtrctFilesFromDir(sPath);
      end;
    finally
      vtList.EndUpdate;
    end;

    DragFinish(msg.WParam);
    exit;
  end;
  vtListOldWndProc_(msg);
end;

procedure TDlgEncryptDrm.vtListAfterPaint(Sender: TBaseVirtualTree;
  TargetCanvas: TCanvas);
var
  nX, nY, nW, nH: Integer;
  msg: String;
begin
  if CUSTOMER_TYPE <> CUSTOMER_SERVE1 then // 서브원은 권한때문에 드래그드롭을 못함 24_0711 08:47:40 kku
  begin
    if TVirtualStringTree(Sender).RootNodeCount = 0 then
    begin
      TargetCanvas.Font.Color := clGray;
      msg := RS_DrmFileDragDrop;
      nW := TargetCanvas.TextWidth(msg);
      nH := TargetCanvas.TextHeight(msg);

      if Sender.Width > nW then
        nX := (Sender.Width div 2) - (nW div 2)
      else
        nX := 0;

      if Sender.Height > nH then
        nY := (Sender.Height div 2) - (nH div 2) - 20
      else
        nY := 0;

      TargetCanvas.TextOut(nX, nY, msg);
    end;
  end;
end;

procedure TDlgEncryptDrm.vtListContextPopup(Sender: TObject; MousePos: TPoint;
  var Handled: Boolean);
var
  pNode: PVirtualNode;
begin
  pNode := vtList.GetNodeAt(MousePos);
  miDelFile.Visible := pNode <> nil;
  miClear.Visible := vtList.RootNodeCount > 0;
end;

procedure TDlgEncryptDrm.vtListFreeNode(Sender: TBaseVirtualTree;
  Node: PVirtualNode);
var
  pData: PDrmEnt;
begin
  pData := Sender.GetNodeData(Node);
  Finalize(pData^);
end;

procedure TDlgEncryptDrm.vtListGetHint(Sender: TBaseVirtualTree;
  Node: PVirtualNode; Column: TColumnIndex;
  var LineBreakStyle: TVTTooltipLineBreakStyle; var HintText: string);
begin
  HintText := vtList.Text[Node, Column];
end;

procedure TDlgEncryptDrm.vtListGetImageIndex(Sender: TBaseVirtualTree;
  Node: PVirtualNode; Kind: TVTImageKind; Column: TColumnIndex;
  var Ghosted: Boolean; var ImageIndex: TImageIndex);
var
  pData: PDrmEnt;
begin
  case Kind of
    ikNormal,
    ikSelected:
    begin
      if Column = 1 then
      begin
        pData := Sender.GetNodeData(Node);
        if pData.nImgIdx = -1 then
          pData.nImgIdx := GetShellImageIndex_path(pData.sDir + pData.sFName);
        ImageIndex := pData.nImgIdx;
      end;
    end;
  end;
end;

procedure TDlgEncryptDrm.vtListGetNodeDataSize(Sender: TBaseVirtualTree;
  var NodeDataSize: Integer);
begin
  NodeDataSize := SizeOf(TDrmEnt);
end;

procedure TDlgEncryptDrm.vtListGetText(Sender: TBaseVirtualTree;
  Node: PVirtualNode; Column: TColumnIndex; TextType: TVSTTextType;
  var CellText: string);
var
  pData: PDrmEnt;
begin
  pData := Sender.GetNodeData(Node);

  case Column of
    0 : CellText := IntToStr(Node.Index + 1);
    1 : CellText := pData.sFName;
    2 : CellText := pData.sExt;
    3 : CellText := BooleanToStr(pData.bDrm, 'O', 'X');
    4 : CellText := pData.sDir;
  end;
end;

procedure TDlgEncryptDrm.vtListPaintText(Sender: TBaseVirtualTree;
  const TargetCanvas: TCanvas; Node: PVirtualNode; Column: TColumnIndex;
  TextType: TVSTTextType);
var
  pData: PDrmEnt;
begin
  if not (vsSelected in Node.States) then
  begin
    pData := Sender.GetNodeData(Node);
    if pData.bDrm then
      TargetCanvas.Font.Color := clGreen;
  end;
end;

end.