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ARVID.PAS
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{/////////////////////////////////////////////////////////////////////////
//
// Dos Navigator Open Source 1.51.08
// Based on Dos Navigator (C) 1991-99 RIT Research Labs
//
// This programs is free for commercial and non-commercial use as long as
// the following conditions are aheared to.
//
// Copyright remains RIT Research Labs, and as such any Copyright notices
// in the code are not to be removed. If this package is used in a
// product, RIT Research Labs should be given attribution as the RIT Research
// Labs of the parts of the library used. This can be in the form of a textual
// message at program startup or in documentation (online or textual)
// provided with the package.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// "Based on Dos Navigator by RIT Research Labs."
//
// THIS SOFTWARE IS PROVIDED BY RIT RESEARCH LABS "AS IS" AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The licence and distribution terms for any publically available
// version or derivative of this code cannot be changed. i.e. this code
// cannot simply be copied and put under another distribution licence
// (including the GNU Public Licence).
//
//////////////////////////////////////////////////////////////////////////}
{$I STDEFINE.INC}
unit Arvid;
interface
uses
Defines, Collect, Objects2, Streams, Dos, Drives, FilesCol, Views,
DiskInfo, Tree, Histries,
Lfn, Files
;
type
TTdrHeader = record
FileTableOfs: LongInt;
DirTableOfs: LongInt;
PosTableOfs: LongInt;
FileTableLen: LongInt;
DirTableLen: LongInt;
PosTableLen: LongInt;
TapeFmt: AWord;
TapeID: AWord;
TapeLen: AWord;
RecordLen: AWord;
NewRecordSector: LongInt;
DescTableOfs: LongInt;
Res01: array[1..16] of Byte;
DescTableLen: LongInt;
Res02: array[1..16] of Byte;
LastNewRecordSector: LongInt;
Res03: array[1..36] of Byte;
end;
PTdrFileCell = ^TTdrFileCell;
TTdrFileCell = record
Name: array[1..11] of Char;
Attr: Byte;
StartSector: LongInt;
Description: LongInt;
Res: AWord;
Time: LongInt;
Cluster: AWord;
Size: LongInt;
end;
TTdrDirCell = record
Level: AWord;
Name: array[1..11] of Char;
Attr: Byte;
StartSector: LongInt;
Description: LongInt;
Res: AWord;
Time: LongInt;
Cluster: AWord;
Size: LongInt;
Files: AWord;
LastFile: AWord;
NumFiles: AWord;
end;
type
TAvtHeader = record
signature: LongInt; {'AVTP' = $50545641}
AvtFmt: LongInt;
CheckSum: LongInt;
AfterLastCell: LongInt;
FreeCell: LongInt;
RootDirCell: LongInt;
NewSector: LongInt;
LastNewSector: LongInt;
AvtMediaCell: LongInt;
Undefined1: LongInt;
end;
TAvtMediaCell = record
NextMediaCell: LongInt;
TapeFmt: AWord; {16,32}
TapeLen: AWord;
TapeID: LongInt;
Undefined1: LongInt;
Undefined2: LongInt;
Undefined3: LongInt;
FirstSectorNum: LongInt;
Sectors: LongInt;
PositionTable: LongInt;
PositionTableSize: LongInt;
end;
TAvtFileCell = record
LeftFileCell: LongInt;
RightFileCell: LongInt;
ChildOrSize: LongInt;
Time: LongInt;
StartSector: LongInt;
Flags: AWord;
Attr: AWord;
case Char of
0: (Name0: array[1..16] of Char);
1: (Name1: array[1..12] of Char; Next1: LongInt);
2: (Name2: array[1..12] of Char; DescPtr2: LongInt);
3: (NamePtr, NonUsed1, NonUsed2, DescPtr3: LongInt);
end;
TAvtTextCell = record
NextTextCell: LongInt;
Data: array[1..36] of Char;
end;
const
AvtLogSectors = $00FF; { Mask's for TAvtFileCell.Flags }
avtBalance = $0300;
AvtCellFormat = $0C00;
AvtIsDir = $1000;
avtCell0 = $0000;
avtCell1 = $0400;
avtCell2 = $0800;
avtCell3 = $0C00;
type
TAvdType = (avdTdr, avdAvt);
PArvidDrive = ^TArvidDrive;
TArvidDrive = object(TDrive)
{Cat: íâ®â ®¡ê¥ªâ ¢ë¥á¥ ¢ ¯« £¨ãî ¬®¤¥«ì; ¨§¬¥ïâì ªà ©¥ ®áâ®à®¦®!}
Name: PString;
Stream: PStream;
CurFile: LongInt;
CurDirPos: LongInt{!!s};
PosTableOfs: LongInt;
CurFileNum: AWord;
CurLevel: AWord;
CurDate: LongInt;
KillAfterUse: Boolean;
filetype: TAvdType;
D: TTdrHeader;
AVT: TAvtHeader;
TapeFmt: AWord;
TapeTotalTime: AWord;
TapeRecordedTime: AWord;
TotFiles: LongInt; {in directory}
TotLen: LongInt;
CurDirCellPos: LongInt;
{this for AVT: location of directory cell.
CurDirPos for AVT is position of a root node}
constructor Init(const AName: String);
procedure lChDir(ADir: String); virtual;
function GetDir: String; virtual;
function GetDirectory(
const FileMask: String;
var TotalInfo: TSize): PFilesCollection; virtual;
constructor Load(var S: TStream);
procedure Store(var S: TStream); virtual;
procedure RereadDirectory(S: String); virtual;
procedure KillUse; virtual;
procedure UseFile(P: PFileRec; Command: Word); virtual;
procedure CopyFiles(AFiles: PCollection; Own: PView;
MoveMode: Boolean); virtual;
procedure CopyFilesInto(AFiles: PCollection; Own: PView;
MoveMode: Boolean); virtual;
procedure EraseFiles(AFiles: PCollection); virtual;
function GetRealName: String; virtual;
function GetInternalName: String; virtual;
procedure MakeDir; virtual;
function isUp: Boolean; virtual;
procedure ChangeUp(var S: String); virtual;
procedure ChangeRoot; virtual;
procedure GetFreeSpace(var S: String); virtual;
procedure GetDirInfo(var B: TDiskInfoRec); virtual;
procedure EditDescription(PF: PFileRec); virtual;
procedure GetDirLength(PF: PFileRec); virtual;
destructor Done; virtual;
procedure SeekDirectory;
function OpenDirectory(const Dir: String;
PutDirs: Boolean): PDrive; virtual;
procedure DrvFindFile(FC: PFilesCollection); virtual;
procedure ReadDescrptions(FilesC: PFilesCollection); virtual;
private
procedure Kill;
end;
const
ArvidDrives: PCollection = nil;
ArvidWithDN: Boolean = True;
var
AllFiles: Boolean;
implementation
uses
Advance, Advance2, Advance1, FlPanel, Commands, Startup, DNApp,
Drivers, Messages, Dialogs, Memory, FileFind, DNUtil, FileCopy, U_KeyMap,
ArvidAvt, ArvidTdr
, PDSetup, FindObj{ ¥ § ¡ëâì ¯à¨¡¨âì ¢¬¥áâ¥ á €à¢¨¤®¬}
, VPUtils
;
constructor TArvidDrive.Init;
var
Attrb: Word;
i: Integer;
q: String;
procedure GetAttr;
var
F: lFile;
begin
lAssignFile(F, AName);
lGetFAttr(F, Attrb)
end;
procedure SetAttr(A: Word);
var
F: lFile;
begin
lAssignFile(F, AName);
lSetFAttr(F, A)
end;
label 1;
begin { TArvidDrive.Init }
TObject.Init;
i := PosChar(':', Copy(AName, 3, MaxStringLength))+2;
if i > 2 then
begin
q := Copy(AName, i+1, MaxStringLength);
if q[Length(q)] in ['\', '/'] then
SetLength(q, Length(q)-1);
Stream := New(PBufStream, Init(Copy(AName, 1, i-1), stOpen, 2048));
end
else
Stream := New(PBufStream, Init(AName, stOpen, 2048));
if Stream^.Status <> stOK then
begin
GetAttr;
if Attrb and ReadOnly <> 0 then
begin
SetAttr(Archive);
if (IOResult <> 0) then
begin
1:
Dispose(Stream, Done);
Stream := nil;
Fail;
end;
end;
if i > 0
then
Stream := New(PBufStream, Init(Copy(AName, 1, i-1), stOpen, 2048))
else
Stream := New(PBufStream, Init(AName, stOpen, 2048));
if Stream^.Status <> stOK then
goto 1;
end;
Stream^.Read(AVT, SizeOf(AVT));
if Stream^.Status <> stOK then
goto 1;
if AVT.signature <> $50545641 {'AVTP'}
then
if not TdrInit(@Self) then
goto 1
else
else if not AvtInit(@Self) then
goto 1;
Name := NewStr(lFExpand(AName));
DriveType := dtArvid;
ColAllowed := PanelFileColAllowed[pcArvid];
KillAfterUse := TempFile <> '';
TempFile := '';
if i > 2 then
CurDir := q
else
CurDir := '\';
SeekDirectory;
if ArvidDrives = nil then
New(ArvidDrives, Init($100, $100));
ArvidDrives^.Insert(@Self);
AddToDirectoryHistory(Name^+':'+CurDir, Integer(DriveType));
end { TArvidDrive.Init };
procedure TArvidDrive.SeekDirectory;
begin
if filetype = avdTdr then
TdrSeekDirectory(@Self)
else
AvtSeekDirectory(@Self);
end;
procedure TArvidDrive.Kill;
begin
if not KillAfterUse then
Exit;
if Stream <> nil then
Dispose(Stream, Done);
Stream := nil;
EraseTempFile(Name^);
end;
function TArvidDrive.GetDirectory;
var
FC: PFilesCollection;
P: PString;
DT: DateTime;
TAttr: Word;
begin
New(FC, Init($80, $40));
{ if ArvidWithDN then
GetFreeSpace(FreeSpace);}
TotFiles := 0;
TotLen := 0;
GetDirectory := FC;
AllFiles := (FileMask = x_x) or (FileMask = '*');
if filetype = avdTdr then
TdrGetDirectory(@Self, CurDirPos, FC, FileMask)
else
AvtGetDirectory(@Self, CurDirPos, FC, FileMask);
if CurDir = '' then
P := Name
else
P := @CurDir;
TotalInfo := TotLen;
{$IFDEF DualName}
FC^.AtInsert(0, NewFileRec('..', '..', 0, CurDate, 0, 0, Directory, P));
{$ELSE}
FC^.AtInsert(0, NewFileRec('..', 0, CurDate, 0, 0, Directory, P));
{$ENDIF}
end { TArvidDrive.GetDirectory };
destructor TArvidDrive.Done;
begin
if ArvidDrives <> nil then
begin
ArvidDrives^.Delete(@Self);
if ArvidDrives^.Count = 0 then
Dispose(ArvidDrives, Done);
ArvidDrives := nil;
end;
if Stream <> nil then
Dispose(Stream, Done);
Stream := nil;
DisposeStr(Name);
inherited Done;
end;
procedure TArvidDrive.lChDir;
var
Dr: String;
Nm: String;
Xt: String;
begin
if ADir = #0 then
Exit;
lFSplit(ADir, Dr, Nm, Xt);
if (Nm = '.') and (Xt = '.') then
begin
if Dr <> '' then
CurDir := Dr;
if CurDir[1] <> '\' then
Insert('\', CurDir, 1);
repeat
SetLength(CurDir, Length(CurDir)-1)
until (CurDir = '') or (CurDir[Length(CurDir)] = '\');
if CurDir <> '' then
SetLength(CurDir, Length(CurDir)-1);
end
else
CurDir := ADir;
SeekDirectory;
while (PosChar(CurDir[Length(CurDir)], ' .\') > 0) do
SetLength(CurDir, Length(CurDir)-1);
AddToDirectoryHistory(Name^+':'+CurDir, Integer(DriveType));
end { TArvidDrive.lChDir };
function TArvidDrive.GetDir;
var
Dr: String;
Nm: String;
Xt: String;
begin
lFSplit(Name^, Dr, Nm, Xt);
if filetype = avdTdr
then
GetDir := 'TDR:'+Nm+'\'+CurDir
else
GetDir := 'AVT:'+Nm+'\'+CurDir;
end;
constructor TArvidDrive.Load;
label 1;
begin
TObject.Init;
inherited Load(S);
DriveType := dtArvid;
S.Read(KillAfterUse, 1);
Name := S.ReadStr;
Stream := New(PBufStream, Init(Name^, stOpen, 2048));
if Stream^.Status <> stOK then
begin
1:
Done;
{ Drives.DriveLoadingError:=True;}
Fail;
end;
Stream^.Read(AVT, SizeOf(AVT));
if Stream^.Status <> stOK then
goto 1;
if AVT.signature <> $50545641 {'AVTP'}
then
if not TdrInit(@Self) then
goto 1
else
else if not AvtInit(@Self) then
goto 1;
SeekDirectory;
if ArvidDrives = nil then
New(ArvidDrives, Init($100, $100));
ArvidDrives^.Insert(@Self);
end { TArvidDrive.Load };
procedure TArvidDrive.Store;
begin
inherited Store(S);
S.Write(KillAfterUse, 1);
S.WriteStr(Name);
end;
procedure TArvidDrive.RereadDirectory;
begin
if Prev <> nil then
Prev^.RereadDirectory(S);
if filetype = avdAvt then
begin
Dispose(Stream, Done);
Stream := New(PBufStream, Init(Name^, stOpen, 2048));
Stream^.Seek(0);
Stream^.Read(AVT, SizeOf(AVT));
SeekDirectory;
end;
end;
procedure TArvidDrive.KillUse;
begin
if Prev <> nil then
Prev^.KillUse;
Kill;
end;
procedure TArvidDrive.UseFile;
begin
{ MessageBox('TArvidDrive.UseFile', nil, mfError + mfOKButton);}
end;
{ CopyFiles(AFiles: PCollection; Own: PView; MoveMode: Boolean); virtual; }
procedure TArvidDrive.CopyFiles;
var
I, J: Integer;
CopyOpt: Word;
CopyMode: Word;
CopyPrn: Boolean;
CmdFileCreated: Boolean;
OwnerPtr: PView;
P: PView;
T: lText;
PF: PFileRec;
FC, FC2: TAvtFileCell;
Nam, Desc: String;
CopyDir: String;
Mask: String;
S1, S2, S3: String;
CmdFileNam: String;
Dr: String;
Nm: String;
Xt: String;
procedure CopyTree(Pos: LongInt);
begin
if Pos = 0 then
Exit;
Stream^.Seek(Pos);
Stream^.Read(FC, SizeOf(FC));
if (FC.Flags and AvtIsDir) <> 0 then
begin
FC2 := FC;
FC.ChildOrSize := 0;
end;
Nam := AvtCellName(FC, Stream^);
Desc := AvtCellDesc(FC, Stream^);
if AvtNewFile(@Self, S2+Nam, Desc, (FC.Flags and AvtIsDir) <> 0,
FC.ChildOrSize,
FC.Time, FC.StartSector, FC.Attr) = 0
then
begin
MessageBox(GetString(dlFBBOver1)+S2+Nam, nil, mfError+mfOKButton);
end
else
begin
if (FC.Flags and AvtIsDir) <> 0 then
begin
S1 := S1+Nam+'\';
S2 := S2+Nam+'\';
CopyTree(FC2.ChildOrSize);
SetLength(S1, Length(S1)-1);
SetLength(S2, Length(S2)-1);
while (S1 <> '') and (S1[Length(S1)] <> '\') do
begin
SetLength(S1, Length(S1)-1);
SetLength(S2, Length(S2)-1);
end;
Stream^.Seek(Pos);
Stream^.Read(FC, SizeOf(FC));
end;
Stream^.Seek(Pos);
Stream^.Read(FC, SizeOf(FC));
CopyTree(FC.LeftFileCell);
Stream^.Seek(Pos);
Stream^.Read(FC, SizeOf(FC));
CopyTree(FC.RightFileCell);
end;
end { CopyTree };
{ CopyFiles(AFiles: PCollection; Own: PView; MoveMode: Boolean); virtual; }
begin { TArvidDrive.CopyFiles }
CtrlBreakHit := False;
AFiles^.Pack;
if AFiles^.Count <= 0 then
Exit;
lFSplit(Name^, Dr, Nm, Xt);
if filetype = avdTdr then
S1 := Dr+'TDR:'+Nm+'\'
else
S1 := Dr+'AVT:'+Nm+'\';
Message(Application, evCommand, cmPushFirstName, @CopyDirName);
if not CopyDialog(CopyDir, Mask, CopyOpt, CopyMode, CopyPrn,
MoveMode, AFiles, 0, Panel, True)
then
Exit;
if Pos(S1, CopyDir) = 1 then
begin
if filetype = avdTdr then
begin
MessageBox(GetString(dlArvidCanChangeOnlyAVT), nil,
mfInformation+mfOKButton);
Exit;
end;
P := WriteMsg(GetString(dlPleaseStandBy));
while Length(S1) <> 1 do
begin
Delete(S1, 1, 1); {DelFC(S1);}
Delete(CopyDir, 1, 1); {DelFC(CopyDir);}
end;
S2 := CurDir;
for I := 0 to AFiles^.Count-1 do
begin
PF := AFiles^.At(I);
Stream^.Seek( {Cat:warn}Round(PF^.PSize));
Stream^.Read(FC, SizeOf(FC));
Desc := AvtCellDesc(FC, Stream^);
S1 := MakeNormName('\'+CurDir, PF^.FlName[True]);
S2 := MakeNormName(CopyDir, MkName(PF^.FlName[True], Mask));
if Pos(S1, S2) = 1 then
begin
MessageBox(GetString(erIntoItself), nil, mfError+mfOKButton);
end
else
begin
if MoveMode then
begin {move}
FC2 := FC;
FC2.ChildOrSize := 0;
Stream^.Seek( {Cat:warn}Round(PF^.PSize));
Stream^.Write(FC2, SizeOf(FC2));
AvtDelFile(@Self, S1);
if AvtNewFile(@Self, S2, Desc, (FC.Flags and AvtIsDir) <> 0,
FC.ChildOrSize, FC.Time, FC.StartSector, FC.Attr) = 0
then
begin
AvtNewFile(@Self, S1, Desc, (FC.Flags and AvtIsDir) <> 0,
FC.ChildOrSize, FC.Time, FC.StartSector, FC.Attr);
MessageBox(GetString(dlFBBOver1)+S2, nil, mfError+mfOKButton);
end;
end
else
begin {copy}
if (PF^.Attr and Directory <> 0) then
begin
FC2 := FC;
FC.ChildOrSize := 0;
end;
if AvtNewFile(@Self, S2, Desc, (FC.Flags and AvtIsDir) <> 0,
FC.ChildOrSize, FC.Time, FC.StartSector, FC.Attr) = 0
then
begin
MessageBox(GetString(dlFBBOver1)+S2, nil, mfError+mfOKButton);
end
else if (PF^.Attr and Directory <> 0) then
begin
S1 := S1+'\';
S2 := S2+'\';
CopyTree(FC2.ChildOrSize);
end;
end;
end;
end;
P^.Free;
Stream^.Seek(0);
Stream^.Write(AVT, SizeOf(AVT));
Dispose(Stream, Done);
Stream := New(PBufStream, Init(Name^, stOpen, 2048));
GlobalMessage(evCommand, cmPanelReread, nil);
Exit;
end
else
begin
S2 := CopyDir;
J := 0;
I := Pos(':', S2);
while I > 0 do
begin
Inc(J);
S2[I] := ' ';
I := Pos(':', S2);
end;
if (J > 1) or MoveMode then
begin
MessageBox(GetString(dlArvidNeedDisk), nil, mfError+mfOKButton);
Exit;
end;
if TapeFmt = 0 then
begin
MessageBox(GetString(dlArvidVolumeIsNotTape), nil,
mfError+mfOKButton);
Exit;
end;
S2 := UpStrg(CopyDir);
I := Pos(':', S2);
if (I <> 2) or (S2[1] < 'A') or (S2[1] > 'Z') then
begin
MessageBox(GetString(dlArvidNeedDisk), nil, mfError+mfOKButton);
Exit;
end;
CmdFileNam := MakeNormName(Dr, Nm+'.RD');
lAssignText(T, CmdFileNam);
lAppendText(T);
CmdFileCreated := False;
if IOResult <> 0 then
begin
lRewriteText(T);
Writeln(T.T, 'IDENT');
CmdFileCreated := True;
end;
Writeln(T.T, '');
P := WriteMsg(GetString(dlPleaseStandBy));
for I := 0 to AFiles^.Count-1 do
begin
PF := AFiles^.At(I);
S1 := MakeNormName('\'+CurDir, PF^.FlName[True]);
S2 := MakeNormName(CopyDir, MkName(Mask, PF^.FlName[True]));
if (PF^.Attr and Directory) = 0 then
Writeln(T.T,
'COPY TP:'+SquashesName(S1)+' '+SquashesName(S2)+' /O/R/C/H')
else
begin
MkDir(S2);
Writeln(T.T,
'COPYDIR TP:'+SquashesName(S1)+' '+SquashesName(S2)+' /I/O/R/C/H')
end;
end;
P^.Free;
if CmdFileCreated then
MessageBox(GetString(dlArvidCmdFileCreated)+CmdFileNam,
nil, mfInformation+mfOKButton)
else
MessageBox(GetString(dlArvidCmdFileAppended)+CmdFileNam,
nil, mfInformation+mfOKButton);
Close(T.T);
GlobalMessage(evCommand, cmPanelReread, nil);
Exit;
end;
end { TArvidDrive.CopyFiles };
{ CopyFilesInto(AFiles: PCollection; Own: PView; MoveMode: Boolean); virtual;}
procedure TArvidDrive.CopyFilesInto;
begin
AvtCopyFilesInto(@Self, AFiles, Own, MoveMode);
end;
procedure TArvidDrive.EraseFiles;
begin
AvtEraseFiles(@Self, AFiles);
end;
procedure TArvidDrive.MakeDir;
begin
AvtMakeDir(@Self)
end;
function TArvidDrive.isUp;
begin
isUp := True;
end;
procedure TArvidDrive.ChangeUp;
begin
if CurDir <> '' then
begin
S := GetName(CurDir);
lChDir('..');
Exit
end;
if Panel = nil then
Exit;
if Prev = nil then
begin
New(Prev, Init(0, Panel));
if Prev = nil then
Exit;
end;
PFilePanel(Panel)^.Drive := Prev;
Prev^.lChDir(Prev^.CurDir);
{AK155 …᫨ GetState(sfSelected+sfActive), â® ¨ â ª ActivePanel = Panel
if (Prev^.DriveType = dtDisk) and
(PView(Panel)^.GetState(sfSelected+sfActive))
then
ActivePanel := Panel;
/AK155}
GlobalMessage(evCommand, cmRereadInfo, nil);
Prev := nil;
S := GetName(Name^);
Kill;
Dispose(PDrive(@Self), Done);
end { TArvidDrive.ChangeUp };
procedure TArvidDrive.ChangeRoot;
begin
CurDir := '';
SeekDirectory;
end;
procedure TArvidDrive.GetFreeSpace;
var
M, R: LongInt;
L: array[1..2] of LongInt;
A: TAvtMediaCell;
begin
case TapeFmt of
0:
M := 0;
2, 4:
M := 100;
8:
M := 200;
16:
M := 200;
32:
M := 325;
else {case}
M := 325;
end {case};
if filetype = avdTdr
then
L[1] := Max(0, (LongInt(D.TapeLen)-D.RecordLen) div 60)
else
L[1] := Max(0, (LongInt(TapeTotalTime)-TapeRecordedTime) div 60);
L[2] := (L[1]*60*M) div 1024;
FormatStr(S, GetString(dlArvid_TimeLeft), L);
end { TArvidDrive.GetFreeSpace };
function TArvidDrive.GetRealName;
var
Dr: String;
Nm: String;
Xt: String;
begin
lFSplit(Name^, Dr, Nm, Xt);
GetRealName := Dr+GetDir;
end;
function TArvidDrive.GetInternalName;
begin
GetInternalName := '';
end;
procedure TArvidDrive.GetDirInfo;
var
L: array[1..2] of LongInt;
S, NF, Sz: LongInt;
S1, S2: String;
A: TAvtMediaCell;
begin
B.Title := NewStr(GetString(dlArvid_Title));
FreeStr := GetName(Name^);
SetLength(FreeStr, PosChar('.', FreeStr)-1);
B.Dir := NewStr(FreeStr);
case TapeFmt of
0:
begin
S := 000;
B.VolumeID := NewStr
(GetString(dlArvid_Type)+GetString(dlArvidNoReal))
end;
2:
begin
S := 100;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~100~ Kb/s, CRC-16')
end;
4:
begin
S := 100;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~100~ Kb/s, CRC-32')
end;
8:
begin
S := 200;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~200~ Kb/s, CRC-32')
end;
16:
begin
S := 200;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~200..300~ Kb/s')
end;
32:
begin
S := 325;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~325..500~ Kb/s')
end;
else {case}
begin
S := 325;
B.VolumeID := NewStr(GetString(dlArvid_Type)+'~325..500~ Kb/s')
end;
end {case};
if filetype = avdTdr then
begin
Sz := D.RecordLen*S;
NF := D.FileTableLen div SizeOf(TTdrFileCell);
end
else
begin
Sz := TotLen div 1024;
NF := TotFiles;
end;
if NF = 0 then
B.Files := NewStr(GetString(dlDINoFiles))
else
begin
if NF = 1 then
S1 := GetString(dlDIFile)
else
S1 := GetString(dlDIFiles);
S2 := GetString(dlDIBytes);
B.Files := NewStr
('~'+FStr(NF)+'~ '+S1+GetString(dlDIWith)+'~'+FStr(Sz)+'~K '+S2);
end;
if filetype = avdTdr then
begin
L[1] := LongInt(TapeTotalTime) div 60;
L[2] := (TapeTotalTime*S) div 1024;
FormatStr(FreeStr, GetString(dlArvid_TimeUsed), L);
B.Total := NewStr(FreeStr);
L[1] := Max(0, (LongInt(TapeTotalTime)-TapeRecordedTime) div 60);
L[2] := (L[1]*60*S) div 1024;
FormatStr(FreeStr, GetString(dlArvid_TimeLeft), L);
B.Free := NewStr(FreeStr);
end
else
begin
L[1] := LongInt(D.TapeLen) div 60;
L[2] := (D.TapeLen*S) div 1024;
FormatStr(FreeStr, GetString(dlArvid_TimeUsed), L);
B.Total := NewStr(FreeStr);
L[1] := Max(0, (LongInt(D.TapeLen)-D.RecordLen) div 60);
L[2] := (L[1]*60*S) div 1024;
FormatStr(FreeStr, GetString(dlArvid_TimeLeft), L);
B.Free := NewStr(FreeStr);
end;
end { TArvidDrive.GetDirInfo };
procedure TArvidDrive.EditDescription;
var
S: String;
Nam: String;
label 1;
var
RealAttr, Attrb: Word;
procedure GetAttr;
var
F: lFile;
begin
lAssignFile(F, Name^);
lGetFAttr(F, Attrb)
end;
procedure SetAttr(A: Word);
var
F: lFile;
begin
lAssignFile(F, Name^);
lSetFAttr(F, A)
end;
procedure Err;
begin
CantWrite(Name^)
end;
{ procedure TArvidDrive.EditDescription; }
begin { TArvidDrive.EditDescription }
if (PF^.DIZ = nil) then
Exit;
S := PF^.DIZ^.DIZText;
if BigInputBox(GetString(dlEditDesc), GetString(dl_D_escription), S,
255, hsEditDesc) <> cmOK
then
Exit;
Dispose(Stream, Done);
Stream := nil;
RealAttr := $FFFF;
ClrIO;
Abort := False;
GetAttr;
if Attrb and ReadOnly <> 0 then
begin
SetAttr(Archive);
if Abort or (IOResult <> 0) then
begin
Err;
goto 1
end;
RealAttr := Attrb or Archive;
end;
Stream := New(PBufStream, Init(Name^, stOpen, 2048));