DEFINITION MODULE Tables;
FROM GenLists IMPORT GenList;
FROM DateFunctions IMPORT Date;
FROM NumTypes IMPORT Real8;

TYPE
  Table;   (* opaque type *)
  (* this structure is used to pass data from/to a cell *)
  CellValue = RECORD
    CASE : CHAR OF
    'S'  : Str : ARRAY[0..79] OF CHAR;
   |'R'  : R   : Real8;
   |'I'  : I   : INTEGER;
   |'D'  : D   : Date;
   |'G'  : B   : BOOLEAN;   (* field selected *)
   END;  (* end of case *)
 END; (* end of cell value *)

PROCEDURE PutCell(VAR T: Table; X,Y : CARDINAL; Cell : CellValue);   (* fill a value in table *)
PROCEDURE GetCell(VAR T: Table; X,Y : CARDINAL; VAR Cell : CellValue); (* get contents of cell*)

(* these procedures are used to define the table *)
PROCEDURE DefineTextCol(VAR T: Table; X, Width : CARDINAL;
                        Title : ARRAY OF CHAR; DisplayOnly : BOOLEAN);
PROCEDURE DefineGroupCol(VAR T:Table; X,Width : CARDINAL; Title : ARRAY OF CHAR;
          Choice : ARRAY OF CHAR; MenuKey : CARDINAL;
	  NbrOfChoice, ThisChoice : CARDINAL;
	  SelectDefault: BOOLEAN );
PROCEDURE DefineIntegerCol(VAR T: Table; X,Width : CARDINAL; Title : ARRAY OF CHAR;
          Min, Max : LONGINT);	
PROCEDURE DefineRealCol(VAR T: Table; X,Width : CARDINAL; Title : ARRAY OF CHAR;
          Min, Max : REAL);

PROCEDURE DefineTable(VAR T: Table; Caption : ARRAY OF CHAR);
PROCEDURE BuildTable(VAR T: Table; NbrRows : CARDINAL);
PROCEDURE ShowTable(T : Table;X1,Y1,X2,Y2: CARDINAL);
PROCEDURE NumberOfRows( T : Table) : CARDINAL;
PROCEDURE NumberOfCols(T : Table) : CARDINAL;
PROCEDURE ControlTable(VAR T: Table;X1,Y1,X2,Y2 : CARDINAL);
PROCEDURE DeleteTable(VAR T: Table);

END Tables.