//-------------------------------------------------------------------- //
//  Laboratory 2                                            ptlist.h
//
//  Class declaration for the array implementation of the Point
//  List ADT
//
//--------------------------------------------------------------------

using namespace std;

const int maxListSize = 10;       // Default maximum list size
//const int maxListSize = 5000;   // Maximum list size for inlab 1

//--------------------------------------------------------------------

class Point
{
  public:

    Point ( float x0 = 0, float y0 = 0 )   // Constructor
       { x = x0; y = y0; }

    float x, y;   // Point coordinates (can be accessed directly)
};

//--------------------------------------------------------------------

class PointList
{
  public:

    // Constructor
    PointList ();

    // List manipulation operations
    void append ( Point newPoint );   // Append point to list
    void clear ();                    // Clear list

    // List status operations
    bool isEmpty () const;            // List is empty
    bool isFull () const;             // List is full

    // List iteration operations
    void gotoBeginning ();            // Go to beginning
    void gotoEnd ();                  // Go to end
    bool gotoNext ();                 // Go to next point
    bool gotoPrior ();                // Go to prior point
    Point getCursor () const;         // Return point

    // Output the list structure -- used in testing/debugging
    void showStructure () const;

    // In-lab operations
    bool isTranslation ( const PointList &otherList ); // Translation
    void insertAtBeginning ( Point newPoint );         // Insert begin.

  private:

    // Data members
    int size,                       // Actual number of points in the list
        cursor;                     // Cursor array index
    Point points[maxListSize];      // Array containing the points
};