Программа для восстановления удаленных файлов

{$S-,R-,B-}
 
{Avtor: NikNet@yandex.ru}
 
 
unit uMain;
interface
uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls,
  Forms, Dialogs, tlHelp32,  ExtCtrls, FileCtrl, ComCtrls,
  StdCtrls, Grids, Menus, shellApi,UFAT, ToolWin;
 
 
 
 
 
 
type
  TForm1 = class(TForm)
    StringGrid1: TStringGrid;
    ToolBar1: TToolBar;
    ToolButton1: TToolButton;
    SaveDialog1: TSaveDialog;
    ToolButton2: TToolButton;
    StatusBar1: TStatusBar;
    DriveComboBox1: TDriveComboBox;
    procedure StringGrid1DrawCell(Sender: TObject; ACol, ARow: Integer;
      R: TRect; State: TGridDrawState);
    procedure FormCreate(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure StringGrid1DblClick(Sender: TObject);
    procedure ToolButton1Click(Sender: TObject);
    procedure Rootdirectory1Click(Sender: TObject);
    procedure DriveComboBox1Change(Sender: TObject);
  protected
  private
    { Private declarations }
  public
    { Public declarations }
    Procedure DirView(Cluster:Int64);
  end;
 
 
var
  Form1  : TForm1;
 
 
implementation
 
{$R *.DFM}
 
 
 
VAR
  entres : Integer;
  dir    : PDIR_Entry;
  Drv    : Char;
  I , J  : DWORD;
  QP     : LongInt;
 
 
Procedure TForm1.DirView(Cluster:Int64);
Function ITS(Int:Int64):String;
Begin
 Str(int,result);
 if Length(Result) = 1 then
 Result:='0'+Result;
end;
 
Var
  i :word;
  Hour, Minute, Second:word;
  Day, Month, Year:word;
  attr:array[0..5] of char;
begin
 attr:='______';
  if ReadDIR(Cluster,dir,entres) then
  Begin
  i:=0;
  QP:=entres;
  StringGrid1.RowCount:=QP+1;
  Repeat
    inc(i);
    if i > entres then  exit;
    StringGrid1.Cells[00,i]:=IntToHex(Dir.CurrentSector,8);
    StringGrid1.Cells[01,i]:=IntToHex(Dir.StartByteNamePerSec,3);
    StringGrid1.Cells[02,i]:=DosToWin(Dir.Name);
    StringGrid1.Cells[03,i]:=DosToWin(Dir.Ext);
    if dir.Erased then
    StringGrid1.Cells[04,i]:='deleted' else
    StringGrid1.Cells[04,i]:='';
    if (dir.Attr and ATTR_DIRECTORY) <> 0 Then
    StringGrid1.Cells[05,i]:='Dir' else
    StringGrid1.Cells[05,i]:='File';
    If dir.Attr and ATTR_READONLY  <> 0 Then  attr[5]:='r' else attr[5]:='_';
    If dir.Attr and ATTR_HIDDEN    <> 0 Then  attr[4]:='h' else attr[4]:='_';
    If dir.Attr and ATTR_SYSTEM    <> 0 Then  attr[3]:='s' else attr[3]:='_';
    If dir.Attr and ATTR_VOLUME    <> 0 Then  attr[2]:='v' else attr[2]:='_';
    If dir.Attr and ATTR_DIRECTORY <> 0 Then  attr[1]:='d' else attr[1]:='_';
    If dir.Attr and ATTR_ARCHIVE   <> 0 Then  attr[0]:='a' else attr[0]:='_';
    StringGrid1.Cells[06,i]:=attr;
    StringGrid1.Cells[07,i]:=FormatDiskSize(Dir.FileSize);
    StringGrid1.Objects[07,i]:=TObject(Dir.FileSize);
    ParseDOSDate(dir.CreateDate,Day, Month, Year);
    ParseDOSTime(Dir.CreateTime,Hour, Minute, Second);
    StringGrid1.Cells[08,i]:=
    ITS(Day)+'/'+ITS(Month)+'/'+ITS(Year)+'  '+
    ITS(Hour)+':'+ITS(Minute)+':'+ITS(Second);
    ParseDOSDate(Dir.WriteLastDate,Day, Month, Year);
    ParseDOSTime(Dir.WriteLastTime,Hour, Minute, Second);
    StringGrid1.Cells[09,i]:=
    ITS(Day)+'/'+ITS(Month)+'/'+ITS(Year)+'  '+
    ITS(Hour)+':'+ITS(Minute)+':'+ITS(Second);
    ParseDOSDate(Dir.LastAccessDate,Day, Month, Year);
    StringGrid1.Cells[10,i]:=ITS(Day)+'/'+ITS(Month)+'/'+ITS(Year);
    StringGrid1.Cells[11,i]:=IntToHex(Dir.StartCluster,8);
    inc(dir);
  Until i = entres;
  end;
    StringGrid1.rePaint;
end;
 
 
PROCEDURE kc(r,g,b:integer);
var
  c,z:integer;
  m:array[1..4] of byte absolute c;
 
Function o(z:integer):integer;
begin
  if z>255 then o:=255 else if z<0 then o:=0 else o:=z;
end;
 
begin
//корекция цвета
  c:=form1.stringGrid1.canvas.brush.color;
  m[1]:=o(m[1]+r);
  m[2]:=o(m[2]+g);
  m[3]:=o(m[3]+b);
  form1.stringGrid1.canvas.brush.color:=c;
end;
 
procedure TForm1.StringGrid1DrawCell(Sender: TObject; ACol, ARow: Integer;
  R: TRect; State: TGridDrawState);
var
s:string;
cw:integer;
begin
 
 with StringGrid1.Canvas do
 begin
  pen.color:=$C0C0CC;
  if (aRow<qp) then
    r:=rect(r.left,r.top,r.right,r.bottom+1);
  if (aCol<stringGrid1.colCount-1) then
    r:=rect(r.left,r.top,r.right+1,r.bottom);
  s:='';
 
  if aRow=0 then
  begin
{   if (aCol=0) or (aCol=1) then
    brush.color:=$B0C0D0 else}
 
  brush.color:=$B0C2E0;
  pen.color:=$A0A0AA;
  font.color:=000000;
    rectangle(r);
    case aCol of
      00:s:='Sector';
      01:s:='Offset';
      //--------------
      02:s:='Name';
      03:s:='Ext';
      04:s:='Status';
      05:s:='Type';
      06:s:='Attr';
      07:s:='Size';
      08:s:='Created';
      09:s:='Modified';
      10:s:='Accessed';
      11:s:='Cluster';
      12:s:='';
    end;
   end else
begin
   font.color:=$8088A8;
   if gdSelected in State then
      brush.color:=$DFE8FF else
      brush.color:=$FFFFFF;
 
   if aRow<=qp then
   begin
     // текст
    case aCol of
      00: s:= StringGrid1.Cols[00].Strings[aRow];
      01: s:= StringGrid1.Cols[01].Strings[aRow];
      02: s:= StringGrid1.Cols[02].Strings[aRow];
      03: s:= StringGrid1.Cols[03].Strings[aRow];
      04: s:= StringGrid1.Cols[04].Strings[aRow];
      05: s:= StringGrid1.Cols[05].Strings[aRow];
      06: s:= StringGrid1.Cols[06].Strings[aRow];
      07: s:= StringGrid1.Cols[07].Strings[aRow];
      08: s:= StringGrid1.Cols[08].Strings[aRow];
      09: s:= StringGrid1.Cols[09].Strings[aRow];
      10: s:= StringGrid1.Cols[10].Strings[aRow];
      11: s:= StringGrid1.Cols[11].Strings[aRow];
      12: s:= StringGrid1.Cols[12].Strings[aRow];
   end;
 
    if aCol=4 then
   begin
    kc(80,-10,-20);
    font.color:=$8888DD
   end else
    kc(5,-5,-5);
 
   if (aCol=2) then
   begin
    kc(100,-12,-30);
    if (StringGrid1.Cols[05].Strings[aRow][1] = 'D') then
    Begin
     if (StringGrid1.Cols[04].Strings[aRow] <> 'deleted') then
     font.color:=0 else
     font.color:=$8850DD;
    end else
    Begin
     if (StringGrid1.Cols[04].Strings[aRow] <> 'deleted') then
     font.color:=$600600 else
     font.color:=$8888DD;
    end;
//     font.color:=clGray-100;
 
{    if StringGrid1.Cols[03].Strings[aRow] <> '' then
    font.color:=$8888DD}
   end else
    kc(5,-5,-5);
 
   if (aCol=0) or (aCol=1) then
   begin
     kc(80,-10,-20);
     brush.color:=$FFFFFF;
     pen.Color:=$FFEFFF;
   end else
   Begin
    kc(5,-5,-5);
   end;
  rectangle(r);
  if gdSelected in State then begin
     pen.Color:=$A0C0FF;
     moveTo(r.left,r.top+1); lineTo(r.right,r.top+1);
     moveTo(r.left,r.bottom-2); lineTo(r.right,r.bottom-2);
  end;
end;
end;
textOut(r.left+3,r.top+3,s);
end;
end;
 
 
procedure TForm1.FormCreate(Sender: TObject);
begin
   stringGrid1.GridLineWidth:=0;
   stringGrid1.color:=$DFEFFF;
end;
 
 
 
 
procedure TForm1.FormDestroy(Sender: TObject);
begin
 Done;
end;
 
procedure TForm1.FormShow(Sender: TObject);
begin
  DirView(0);
end;
 
procedure TForm1.StringGrid1DblClick(Sender: TObject);
begin
   if (StringGrid1.Cells[5,StringGrid1.Row][1] <> 'F')    then
      DirView(StrToInt('$'+StringGrid1.Cells[11,StringGrid1.Row]));
end;
 
procedure TForm1.ToolButton1Click(Sender: TObject);
Var
 Buf:Pointer;
 nSize:Dword;
 Sector:Dword;
 nSectors:Dword;
 F:File;
begin
  if  (StringGrid1.Cells[5,StringGrid1.Row][1]   <> 'D')  then
  Begin
    SaveDialog1.FileName:=StringGrid1.Cells[2,StringGrid1.Row]+'.'+
    StringGrid1.Cells[3,StringGrid1.Row];
 
  if SaveDialog1.Execute then
  Begin
    Sector:=StrToInt('$'+StringGrid1.Cells[11,StringGrid1.Row]);
    sector:=((Sector-2) * SectorsPerCluster)+DataAreaSector;
    nSize:=DWORD(StringGrid1.Objects[07,StringGrid1.Row]);
    nSectors:=Round(nSize div BytesPerSector)+1;
    GetMem(Buf,nSize);
    ReadSector(Sector,nSectors,Buf^,nSize);
    AssignFile(F,SaveDialog1.FileName);
    Rewrite(f,1);
    BlockWrite(F,Buf^,nSize);
    CloseFile(F);
  end;
 end;
end;
 
procedure TForm1.Rootdirectory1Click(Sender: TObject);
begin
  DirView(0);
end;
 
procedure TForm1.DriveComboBox1Change(Sender: TObject);
begin
   drv:=DriveComboBox1.Drive;
   Init(ord(drv)-64);
   DirView(0);   
end;
 
end.