PROGRAM 41


//  FILE NAME:  PROG41.CPP     PROGRAMMER NAME:  ANTHONY F. ORTIZ
//  THIS PROGRAM USES A CLASS CALLED LINK LIST.  THE MEMBER FUNCTIONS
//  INITIALIZE THE COUNT AND LINKLIST OBJECT, ENTER OBJECTS FROM THE
//  KEYBOARD, AND DISPLAYS TOTAL, AVERAGE, COUNT, AND ALL OF THE OBJECTS,
//  AND CHANGE ANY OBJECT IN THE LIST.

#include "linklist.h"

print_menu ();
char get_selection (linklist & expenses);
pause_program ();

int main ()
{
    char choice;
    linklist expenses;
    do
    {
        print_menu ();
        choice = get_selection (expenses);
    }
    while (choice != 'Q');
    return 0;
}

print_menu ()
{
    clrscr ();
    gotoxy (25, 1);
    cout << "MENU OPTIONS";
    gotoxy (30, 3);
    cout << "E -- ENTER OBJECT";
    gotoxy (30, 4);
    cout << "T -- PRINT COUNT";
    gotoxy (30, 5);
    cout << "D -- DISPLAY OBJECTS";
    gotoxy (30, 6);
    cout << "C -- CHANGE OBJECT";
    gotoxy (30, 7);
    cout << "Q -- QUIT PROGRAM";
    gotoxy (25, 9);
    cout << "ENTER SELECTION ";
    return 0;
}

char get_selection (linklist & expenses)
{
    char choice;
    cin >> choice;
    choice = toupper (choice);
    switch (choice)
    {
        case ('E'):  {
                         expenses.enteritem ();
                         break;
                     }
        case ('T'):  {
                         expenses.printtotal ();
                         pause_program ();
                         break;
                     }
        case ('D'):  {
                         expenses.viewlist ();
                         pause_program ();
                         break;
                     }
        case ('C'):  {
                         expenses.changelist ();
                         pause_program ();
                         break;
                     }
        case ('Q'):  {
                         clrscr ();
                         break;
                     }
    }
    return (choice);
}

pause_program ()
{
    cout << endl << "PRESS ENTER KEY TO CONTINUE ..... ";
    getch ();
    return 0;
}

//  FILENAME:  LINKLIST.H, LINKLIST.CPP
//  SEE PROGRAM 39.

//  OUTFILE:  PROG41.OUT

MENU OPTIONS
                                                                                
    E -- ENTER OBJECT
    T -- PRINT COUNT                                   
    D -- DISPLAY OBJECTS                               
    Q -- QUIT PROGRAM                                  
                                                                                
ENTER SELECTION q                                       
DESTRUCTOR INVOKED




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