import java.util.ArrayList;
import uwcse.graphics.*;
import java.awt.Color;

/**
 * In a graphics window, place at random location a square when a key
 * is pressed on the keyboard. Delete that square if it is clicked with
 * the mouse. Keep track of the squares with an ArrayList
 */

public class ArrayListExample extends GWindowEventAdapter {

    // Keep the list of squares in an ArrayList
    private ArrayList squareList;
    // The graphics window
    private GWindow window;
    // length of the side of the squares
    private int side = 20;

    /**
     * Initialize the graphics window and the list of squares
     */
    public ArrayListExample() // complete
    {
        // Create the graphics window
        window = new GWindow("Array list example",400,400);
        window.setExitOnClose();
        // Send all of the events to this ArrayListExample
        window.addEventHandler(this);
        // Create the square list (initially empty)
        squareList = new ArrayList();
    }

    /**
     * A key has been pressed. Create a square at a random location.
     */
    public void keyPressed(GWindowEvent e)
    {
        // Center of the square (random point)

        // Color of the square (random)

        // Create the square and add it to the window and the square list

        // Show it
    }

    /**
     * Mouse click on the window. If it is on a square, erase that square
     */
    public void mousePressed(GWindowEvent e)
    {
        // Iterate over the squares (from the last one to the first one)
        // Is the click on element i of the list?
    }
}