PA3_A

package csc143.sudoku;

import javax.swing.*;
import csc143.sudoku.*;
import java.awt.*;

/**
 * @author Vita Wiebe
 * @version PA2
 * A class to make a SudokuBoard.
 */
public class SudokuBoard extends JPanel
   // implements SelectedCell
{
    // Our class fields.
    private int rows;
    private int columns;

    // "Size"  is how many cells are in the Sudoku board, total.
    private int size;

    // X and Y track the pixel position in the cell matrix.
    // This can be used to calculate the area of each region in the current matrix.
    private int x;
    private int y;

    SudokuStub b;

    // Create an empty 2D array of JPanels the size
    // of the underlying board element (SudokuBase).
    // These shall serve as our cells.
    JPanel[][] cells;

    /** Our class constructor.
     * @param SudokuBase b.
     *
    */
    public SudokuBoard(SudokuBase b) {

        // Gets the number of rows and columns from the SudokuBase/Stub object b passed to our constructor.
        rows = b.getRows();
        columns = b.getColumns();
        size = b.getSize();
        // Instantiate b, our SudokuStub/Base object, SudokuBoard's sole parameter and underlying element.
        this.b = new SudokuStub(rows, columns);

        // Determine the layout scheme of the overall board structure.
        GridLayout grid = new GridLayout(this.rows, this.columns, 2, 2);

        // Instantiate our 2D JPanel array, "cells".
        cells = new JPanel[rows][columns];

        // Creates our overall "board" element, one big JPanel, to set into container (JFrame, frame).
        JPanel board = new JPanel(grid);

        // Initialize a counter of the number of regions in the board.
        // This will be used to determine which parts of the board constitute a "region"
        // by determining when a cell is the first in a new region, and
        // thus, how they should be shaded.
        int region = 0;

        // Iterate thru loops and populate 2D array, "cells", with cells made using our Cell helper class.
        for (int row = 0; row < rows; row++) {
            for (int col = 0; col < columns; col++) {
               // make new cell with CreateCell class object.
               Cell cell = new Cell();
               cells[row][col] = cell;
               board.add(cell);
               // Update x to reflect how many pixels traversed from left to right.
               x += 50;
            }
         }
         // Reset x once a row of columns has been iterated through.
         x = 0;
         // Update y to reflect how many pixels traversed from top to bottom.
         y += 50;

        JFrame frame = new JFrame (rows + "x" + columns);
        frame.setSize(rows*60, columns*60);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(board);
        frame.getContentPane().setLayout(grid);
        frame.pack();
        frame.setVisible(true);

        board.setPreferredSize(new java.awt.Dimension(rows*54, columns*54));
        board.setBorder(BorderFactory.createLineBorder(Color.BLACK));
        board.setLayout(grid);
        board.setVisible(true);

        this.repaint();
    }

    /**
    * This method renders one large rectangle border.
    * @param g The Graphics object use to render
    */
    @Override
    public void paintComponent(java.awt.Graphics g) {

        // paint the underlying component
        super.paintComponent(g);

        // set the color of the outline
        g.setColor(Color.BLACK);

        // Set the size of board matrix.
        // width is the number of columns times 50 pixels wide.
        int width = columns*54;
        //height is the number of rows in the board, times 50 pixels as well.
        int height = rows*54;
        g.drawRect(0, 0, width, height);
    }

     /*
      *@param None
      *@return b
      */
     SudokuBase getBase() {
        return b;
    }

    public static void main(String[] args) {
        // Instantiate SudokuStub to pass to our constructor.
        SudokuStub stub = new SudokuStub(3, 3);

        SudokuBoard game = new SudokuBoard(stub);

//         javax.swing.JFrame win = new javax.swing.JFrame("Test 2x3");
//         win.setDefaultCloseOperation(javax.swing.JFrame.DISPOSE_ON_CLOSE);
//         win.add(new SudokuBoard(new SudokuStub(2, 3)));
//         win.pack();
//         win.setVisible(true);

    }

}