ArrayVisualizer.java

package prove;
import java.awt.Font;

import edu.princeton.cs.introcs.In;
import edu.princeton.cs.introcs.StdDraw;

public class ArrayVisualizer {
    /****************************************************************************
     *  Compilation:  javac PercolationVisualizer.java
     *  Execution:    java PercolationVisualizer input.txt
     *  Dependencies: Percolation.java StdDraw.java In.java
     *
     *  This program takes the name of a file as a command-line argument.
     *  From that file, it repeatedly inserts the input, then pops everything out.
     *  Cells that are in between the size and the capacity of the array are
     *  marked with a full black square.
     * @throws Exception
     *
     ****************************************************************************/


    // draw N-by-N percolation system
    public static void draw(DynamicArray<String> vector) throws Exception {
        int N = 20;
        StdDraw.clear();
        StdDraw.setFont(new Font("SansSerif", Font.PLAIN, 12));

        StdDraw.setXscale(0, N);
        StdDraw.setYscale(0, N);


        for (Integer i=0; i < N; ++i) {
            if (i >= vector.capacity()) break;
            if (i < vector.size() ) {
                StdDraw.square(i, N/2, 0.5);
                StdDraw.text(i, N/2, vector.get(i)); // Content
            }
            else if (i < vector.capacity()) {
                StdDraw.setPenColor(StdDraw.BLACK);
                StdDraw.filledSquare(i, N/2, 0.5);
            }
            StdDraw.text(i, N/2 - 1, i.toString()); // Label
        }

    }

    public static void main(String[] args) throws Exception {
        In in = new In(args[0]);      // input file

        // repeatedly read in sites to open and draw resulting system
        DynamicArray<String> v = new DynamicArray<String>();
        draw(v);
        while (!in.isEmpty()) {
            StdDraw.show(0);          // turn on animation mode
            String str = in.readString();
            v.add(str);
            draw(v);
            StdDraw.show(1000);        // pause for 100 miliseconds
        }

        while (v.size() > 0) {
            StdDraw.show(0);          // turn on animation mode
            v.pop();
            draw(v);
            StdDraw.show(1000);        // pause for 100 miliseconds
        }

    }
}