IMPLEMENTATION MODULE DirManager;
(*
 *  REPERTOIRE
 *  Release 1.6
 *  By Charles Bradford and Cole Brecheen
 *  (c) Copyright 1985-1992 PMI
 *  Green Bay, Wisconsin
 *  All rights reserved
 *  (414) 468-6040
 *
 *  $Header:   D:/logfiles/mods/dirmanag.mov   1.5   10 Mar 1991 15:26:24   coleb  $
 *
 *)


IMPORT ControlUtils;
IMPORT Drectory;
IMPORT ErrStrgs;
IMPORT InputManager;
IMPORT FramePainter;
IMPORT M2Strings;
IMPORT PosUtils;
IMPORT ScrnTypes;
IMPORT ScrnUtl1;
IMPORT StrConv;
IMPORT StrEdit;
IMPORT StringIO;


VAR
  Initialized : BOOLEAN;

  PROCEDURE Init();
    BEGIN
      IF Initialized THEN
        RETURN;
      ELSE
        Initialized := TRUE;
      END;
      ControlUtils.Init();
      Drectory.Init();
      ErrStrgs.Init();
      InputManager.Init();
      FramePainter.Init();
      M2Strings.Init();
      PosUtils.Init();
      ScrnTypes.Init();
      ScrnUtl1.Init();
      StrConv.Init();
      StrEdit.Init();
      StringIO.Init();
    END Init;


  PROCEDURE MakeFileDataStr( FileInfo: Drectory.FileInfoRec; Columns:
      CARDINAL; VAR TheStr: ARRAY OF CHAR );
    VAR
      dumstr: ARRAY [0..79] OF CHAR;
    BEGIN
      StrEdit.AssignStr( FileInfo.name, TheStr );
      M2Strings.Concat(' ',TheStr,TheStr);
      IF Columns > 1 THEN
        WHILE M2Strings.Length(TheStr) < 12 DO
          StrEdit.Append( TheStr, ' ' );
        END;
        IF Drectory.SubdirectoryFile IN FileInfo.attribute THEN
          StrEdit.Append( TheStr, '   <DIR>' );
        ELSE
          StrConv.LongIntegerToStr( FileInfo.size, 8, dumstr );
          StrEdit.Append( TheStr, dumstr );
        END;
      END;
      IF Columns > 2 THEN
        StrConv.DateToStr( FileInfo.month, FileInfo.day, FileInfo.year,
            dumstr );
        StrEdit.Append( TheStr, '  ' );
        StrEdit.Append( TheStr, dumstr );
      END;
      IF Columns > 3 THEN
        StrConv.TimeToStr( FileInfo.hour, FileInfo.minute, FileInfo.second,
            FileInfo.second, dumstr );
        M2Strings.Delete( dumstr, M2Strings.Length(dumstr) - 7, 6 );
        StrEdit.Append( TheStr, '  ' );
        StrEdit.Append( TheStr, dumstr );
      END;
    END MakeFileDataStr;

  PROCEDURE DirToFrame( FileSpec: ARRAY OF CHAR; TheFrame:
      ScrnTypes.DisplayFrame; ColumnsPerFile: CARDINAL ): CARDINAL;
    VAR
      lngth1, VertSep, HorizSep, NextCol, NextRow: CARDINAL;
      DirHandle, SavedMessage: CARDINAL;
      InfoRec: Drectory.FileInfoRec;
      tmpstr: ARRAY [0..79] OF CHAR;
      LastCh: CHAR;

    PROCEDURE AddOne( VAR TheStr: ARRAY OF CHAR; VAR col, row:
        CARDINAL );
      VAR
        width: CARDINAL;
      BEGIN
        ControlUtils.AddMenuItem( TheFrame, col, row, TheStr,
           M2Strings.Length(TheStr), 0, TheFrame^.normlnext );
        IF ColumnsPerFile > 1 THEN
          width := M2Strings.Length(TheStr) + HorizSep;
        ELSE
          width := 12 + HorizSep;
        END;
        INC( col, width );
        IF (col + width) > (TheFrame^.endcol
            + 1) THEN
          col := HorizSep;
          INC( row, VertSep );
        END;
      END AddOne;

    BEGIN
      (*DirToFrame*)
      VertSep := 1;
      HorizSep := 4;
      NextCol := HorizSep;
      NextRow := VertSep + TheFrame^.headline;
      StrEdit.DeleteChar( ' ', FileSpec );
      lngth1 := M2Strings.Length( FileSpec );
      IF lngth1 > 0 THEN
        LastCh := FileSpec[ lngth1 - 1 ];
      ELSE
        LastCh := ':';
      END;
      CASE LastCh OF
        ':', '\', '/': StrEdit.Append( FileSpec, '*.*' );
      ELSE
        (*do nothing*)
      END;
      DirHandle := 1;
      SavedMessage := Drectory.FindFirstFile( FileSpec, DirHandle, InfoRec );
      IF SavedMessage # StringIO.NoError THEN
        IF SavedMessage = StringIO.NoMoreFiles THEN
          SavedMessage := StringIO.FileNotFound;
        END;
        ErrStrgs.NumToStr( SavedMessage, tmpstr );
        M2Strings.Insert( 'Error: ', tmpstr, 0 );
        AddOne( tmpstr, NextCol, NextRow );
        RETURN SavedMessage;
      END;
      WHILE SavedMessage = StringIO.NoError DO
        MakeFileDataStr( InfoRec, ColumnsPerFile, tmpstr );
        AddOne( tmpstr, NextCol, NextRow );
        SavedMessage := Drectory.FindNextFile( DirHandle, InfoRec );
      END;
      RETURN StringIO.NoError;
    END DirToFrame;

  PROCEDURE ControlDirectory( FileSpec: ARRAY OF CHAR;
      TheFrame: ScrnTypes.DisplayFrame; ColumnsPerFile: CARDINAL;
      VAR SelectedFile: ARRAY OF CHAR; VAR NextFrame:
      ScrnTypes.AFrameName );
    VAR
      SavedMessage: CARDINAL;
      TmpName: ScrnTypes.AFrameName;
      spot: CARDINAL;
      DriveLetter: CHAR;
      PathName: ARRAY [0..127] OF CHAR;
      ImageRec: ScrnTypes.ImageElement;

    BEGIN
      Drectory.GetDrivePathAndName( FileSpec, DriveLetter, PathName,
          SelectedFile );
      SavedMessage := DirToFrame( FileSpec, TheFrame,
          ColumnsPerFile );
      FramePainter.ShowDisplayFrame( TheFrame, 0, 0, 0, 0 );
      InputManager.ControlFrame( TheFrame, 1, '', FALSE, TmpName );
      ScrnUtl1.GetFieldImageRec( TheFrame, TheFrame^.CurrentField, ImageRec );
      StrEdit.AssignStr( ImageRec.text, SelectedFile );
      IF HIGH(SelectedFile) > 12 THEN
        SelectedFile[13]:=0C
      END;
      StrEdit.DeleteChar( ' ', SelectedFile );
      IF M2Strings.Length(SelectedFile) > 0 THEN
        M2Strings.Insert( PathName, SelectedFile, 0 );
        M2Strings.Insert( ':', SelectedFile, 0 );
        M2Strings.Insert( DriveLetter, SelectedFile, 0 );
      END;
      M2Strings.Assign( TmpName, NextFrame );
    END ControlDirectory;


  PROCEDURE OldControlDirectory( FileSpec: ARRAY OF CHAR;
      TheFrame: ScrnTypes.DisplayFrame; ColumnsPerFile: CARDINAL;
      VAR SelectedFile: ARRAY OF CHAR ): ScrnTypes.FrameKey;
    VAR
      NextFrame: ScrnTypes.AFrameName;
    BEGIN
      ControlDirectory( FileSpec, TheFrame, ColumnsPerFile,
          SelectedFile, NextFrame );
      RETURN StrConv.ReturnedInt(NextFrame);
    END OldControlDirectory;

BEGIN
  Initialized := FALSE;
  Init();
END DirManager.