Program demo;


{This program can be used standalone to enter data in
a file for later processing, or it can be incorporated 
as a procedure in some other program that you develop.
Don't forget to change the first word to "Procedure" 
and the last period to a semi-colon if you want to use 
it as a procedure.} 
 
 
 
Const 
  Windows =  8;  { the number of input fields that you defined in your screen }
  Wtab       : array[1..Windows, 1..7] of Integer = (
              (0, 7, 78, 63, 6, 66, 6),
              (0, 7, 78, 59, 8, 60, 8),
              (0, 7, 78, 62, 8, 63, 8),
              (0, 7, 78, 65, 8, 66, 8),
              (0, 7, 78, 24, 10, 49, 10),
              (0, 7, 78, 60, 10, 66, 10),
              (0, 7, 78, 25, 12, 27, 12),
              (0, 7, 78, 39, 12, 66, 12));
             { |  |  |   |   |   |   |
               |  |  |   |   |   |   |
               |  |  |   |   |   |   |___ending 'y' coordinate
               |  |  |   |   |   |
               |  |  |   |   |   |_______ending 'x coordinate
               |  |  |   |   |
               |  |  |   |   |___________beginning 'y' coordinate
               |  |  |   |
               |  |  |   |_______________beginning 'x' coordinate
               |  |  |
               |  |  |______________________________
               |  |_______________                  |
               |                  |                 |
         textcolor          textbackground       blink}




 
 
 
 
Type
    Output_Info = Record
            Delete:  String[1];  {invisible field used for}
                                 {record management       }
            Check_No:  Integer;
            Month:  Integer;
            Day:  Integer;
            Year:  Integer;
            Payee:  String[26];
            Amount:  Real;
            Cat:  String[3];
            Comment:  String[28];
           CR: String[1]; { invisible field used to put }
                          { C/R at end of each record }
        End;
     Str12 =  String[12];
     Str80 =  String[80];
     Str255 = String[255];


Var
      Output_File:      File of Output_Info;
      New_Output_File:  File of Output_Info;
      Old_File:         File of Output_Info;
      Output_Record:    Output_Info;
      MaxX,             { max and min       }
      MinX,             { window position   }
      MaxY,             { expressed as X,Y  }
      MinY,             { screen position   }
      Entry_Field,      { used as index for window array }
      X,Y,              { screen coordinates }
      XY,               { ScrBuf array subscript }
      k,i,              { loop counter, subscript }
      ErrorPos,         { when converting string expressions to  }
                        { numeric expressions this variable will }
                        { be zero if the conversion is successful }
                        { and will indicate the postition of the }
                        { non-numeric char if the conversion fails }
      Current_File_Pos, { the current record of the output file    }
      Tone: Integer;    { for beeper }
      EXISTS,
      BadName,          { used in checking for valid file name }
      Good_Char,        { used in checking for valid file name }
      Done_Adding,      { done adding records to the data file }
      Done_Reading_Kbd:  Boolean;
      ScrBuf: array [1..1920] of Char;  { this array holds all the input  }
                               { data so it can be revised before}
                               { the input variables are written }
                               { to the data file                }
      TempVar: String[255]; { each of the input data fields is first }
                            { converted to this temporary string, then }
                            { it is converted to the proper data type }
                            { i.e. INT, REAL }

      Line: String[255];

      File_Name: String[12];{ name of the file that will hold the data }
                            { that is entered                          }

      BackUp_File_Name: String[12];{ this name is automatically assigned by   }
                            { the program - it will be the same as the }
                            { regular file name except it will be a    }
                            { .bak type file                           }

    Init_Val_1,
    Init_Val_2,
    Init_Val_3,
    Init_Val_4,
    Init_Val_5,
    Init_Val_6,
    Init_Val_7,
    Init_Val_8:  String[255];
 
 
 
 
{$I ExtProc1.Pas}


Procedure Read_Record_and_Write_It;
Begin
    Seek(Output_File,Current_File_Pos-1);
    Read(Output_File,Output_Record);
    If Output_Record.Delete <> 'X' Then Begin
      Banner_Line;
      Entry_Field:= 0;
      With Output_Record Do Begin
        Tab; Str(Check_No:4, TempVar); Write_It_In_A_Field(TempVar);
        Tab; Str(Month:2, TempVar); Write_It_In_A_Field(TempVar);
        Tab; Str(Day:2, TempVar); Write_It_In_A_Field(TempVar);
        Tab; Str(Year:2, TempVar); Write_It_In_A_Field(TempVar);
        Tab; TempVar:= Payee; Write_It_In_A_Field(TempVar);
        Tab; Str(Amount:7:2, TempVar); Write_It_In_A_Field(TempVar);
        Tab; TempVar:= Cat; Write_It_In_A_Field(TempVar);
        Tab; TempVar:= Comment; Write_It_In_A_Field(TempVar);
        End;
      End { if output_record.delete <> x }
    Else Begin
      Blank_Fields;
      GotoXY(2,25);
      TextColor(Black);
      TextBackground(LightGray);
      For i:= 1 to 65 Do Write(Chr(32));
      GotoXY(2,25);
      Write('       This record has been deleted.  (f4=undelete)');
      End; { else }
    End; {procedure Read_Record_and_Write_It }





{$I ExtProc2.Pas}



Procedure Write_Init_Val;

Begin
  Blank_Fields;

  Entry_Field:= 0;
  Tab;
  Write_It_In_A_Field(Init_Val_1);
  Tab;
  Write_It_In_A_Field(Init_Val_2);
  Tab;
  Write_It_In_A_Field(Init_Val_3);
  Tab;
  Write_It_In_A_Field(Init_Val_4);
  Tab;
  Write_It_In_A_Field(Init_Val_5);
  Tab;
  Write_It_In_A_Field(Init_Val_6);
  Tab;
  Write_It_In_A_Field(Init_Val_7);
  Tab;
  Write_It_In_A_Field(Init_Val_8);
  
  Tone:= 8000;

End; { procedure write_init_val }

{$I ExtProc3.Pas}

  Procedure WriteScreen; 
  Begin 
  TextColor(1);  TextBackground(7);
  Write('                                                                 ');
  Write('               ');
  TextColor(14);  TextBackground(7);
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                        ');
  TextColor(0);  TextBackground(3);
  Write('ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»');
  TextColor(14);  TextBackground(7);
  Write('                     ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(3);
  Write('                                                         ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('                     ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(3);
  Write('         ');
  TextColor(14);  TextBackground(3);
  Write('   ');
  TextColor(15);  TextBackground(3);
  Write('                     ');
  TextColor(14);  TextBackground(3);
  Write('      ');
  TextColor(15);  TextBackground(3);
  Write('CHECK NO.  ');
  TextColor(0);  TextBackground(3);
  Write(' ');
  TextColor(0);  TextBackground(7);
  Write('    ');
  TextColor(15);  TextBackground(3);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('           ');
  TextColor(15);  TextBackground(7);
  Write('          ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(3);
  Write('                                                         ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(7);
  Write('                     ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(3);
  Write('                 ');
  TextColor(15);  TextBackground(3);
  Write('                   CHECK DATE ');
  TextColor(0);  TextBackground(7);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('/');
  TextColor(0);  TextBackground(7);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('/');
  TextColor(0);  TextBackground(7);
  Write('  ');
  TextColor(15);  TextBackground(3);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(7);
  Write('         ');
  TextColor(14);  TextBackground(7);
  Write('  ');
  TextColor(15);  TextBackground(7);
  Write('          ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(3);
  Write('                                                         ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(7);
  Write('           ');
  TextColor(14);  TextBackground(7);
  Write('          ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(3);
  Write('  ');
  TextColor(15);  TextBackground(3);
  Write('PAYEE     ');
  TextColor(0);  TextBackground(7);
  Write('                          ');
  TextColor(15);  TextBackground(3);
  Write('  AMOUNT $');
  TextColor(0);  TextBackground(7);
  Write('       ');
  TextColor(14);  TextBackground(3);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('           ');
  TextColor(15);  TextBackground(7);
  Write('          ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(3);
  Write('                             ');
  TextColor(14);  TextBackground(3);
  Write('                            ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('                   ');
  TextColor(15);  TextBackground(7);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(15);  TextBackground(3);
  Write('  CATEGORY   ');
  TextColor(0);  TextBackground(7);
  Write('   ');
  TextColor(14);  TextBackground(3);
  Write('   ');
  TextColor(15);  TextBackground(3);
  Write('COMMENT ');
  TextColor(0);  TextBackground(7);
  Write('                            ');
  TextColor(14);  TextBackground(3);
  Write('  ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('                     ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(3);
  Write('                                                         ');
  TextColor(0);  TextBackground(3);
  Write('º');
  TextColor(14);  TextBackground(7);
  Write('                     ');
  TextColor(0);  TextBackground(3);
  Write('ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ¼');
  TextColor(14);  TextBackground(7);
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                                                                 ');
  Write('                ');
  TextColor(15);  TextBackground(7);
  Write('                                                                 ');
  Write('              ');
  End; { precedure write_screen } 

{$I ExtProc4.Pas}

Procedure Set_Up_Output_Record;

Begin
  Repeat
    Entry_Field:= 0;
    Gather_Input_Info;
    Strip_Spaces;
    Val(TempVar, Output_Record.Check_No,ErrorPos);
    If ErrorPos <> 0 Then Find_Error;
  Until ErrorPos = 0;
  Repeat
    Entry_Field:= 1;
    Gather_Input_Info;
    Strip_Spaces;
    Val(TempVar, Output_Record.Month,ErrorPos);
    If ErrorPos <> 0 Then Find_Error;
  Until ErrorPos = 0;
  Repeat
    Entry_Field:= 2;
    Gather_Input_Info;
    Strip_Spaces;
    Val(TempVar, Output_Record.Day,ErrorPos);
    If ErrorPos <> 0 Then Find_Error;
  Until ErrorPos = 0;
  Repeat
    Entry_Field:= 3;
    Gather_Input_Info;
    Strip_Spaces;
    Val(TempVar, Output_Record.Year,ErrorPos);
    If ErrorPos <> 0 Then Find_Error;
  Until ErrorPos = 0;
  Entry_Field:= 4;
    Gather_Input_Info;
    OutPut_Record.Payee:= TempVar;
  Repeat
    Entry_Field:= 5;
    Gather_Input_Info;
    Strip_Spaces;
    Val(TempVar, Output_Record.Amount,ErrorPos);
    If ErrorPos <> 0 Then Find_Error;
  Until ErrorPos = 0;
  Entry_Field:= 6;
    Gather_Input_Info;
    OutPut_Record.Cat:= TempVar;
  Entry_Field:= 7;
    Gather_Input_Info;
    OutPut_Record.Comment:= TempVar;
  Write_To_OutPut_File;
  End; { procedure set_up_output_record }





Begin { main procedure }
ClrScr;
Open_File;
Init_Val_1:= '';
Init_Val_2:= '';
Init_Val_3:= '';
Init_Val_4:= '';
Init_Val_5:= '';
Init_Val_6:= '';
Init_Val_7:= '';
Init_Val_8:= '';
For XY:= 1 to 1920 Do
  ScrBuf[XY]:= Chr(32);
WriteScreen;
Banner_Line;
Write_Recno;
Done_Adding:= False;
Repeat
  If Current_File_Pos = FileSize(Output_File)+1 Then Write_Init_Val;
  Entry_Field:= 0;
  Done_Reading_Kbd:= False;
  Tab;
  Repeat
    ReadKbd;
  Until Done_Reading_Kbd;
  If not Done_Adding Then Set_Up_Output_Record;
Until Done_Adding;
Close(Output_File);

End.
