Region_C

package csc143.sudoku;

import javax.swing.*;
import csc143.sudoku.*;
import java.awt.*;
import java.awt.event.*;
/**
 * @author Vita Wiebe
 * @version Feb. 4, 2019
 */

/**
 * Designs a JPanel-type object representing a "region" of the Sudoku board.
 * Is used to regulate the shading schemata of the final SudokuBoard object.
 */
public class Region extends JPanel implements SelectedCell  {

    // A field to hold a Cell instance while populating Region.
    private Cell cell;

   // Our class fields.
    private int rows;
    private int columns;
    private int size;

    // selectedRow/Column keep track of the row/column of the currently selected cell object.
    private int selectedRow;
    private int selectedColumn;

    private SudokuBase b;

   /** Our class constructor.  Designs a Region object of Cells, which will in turn be
    * added to the board to make the overarching schemata of our SudokuBoard.
    * @param Cell cell.
    */
   public Region(SudokuStub b) {

      // Gets the number of rows and columns from the SudokuBase/Stub object.
      rows = b.getRows();
      columns = b.getColumns();
      size = b.getSize();

      // Instantiate b, our SudokuStub/Base/Core object.
      this.b = new SudokuStub(rows, columns);

      setLayout(new GridLayout(this.rows, this.columns, 0, 0));

      // Iterate thru loops and populate "region" 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, to be added to "region" JPanel
            Cell cell = new Cell();
            add(cell);
         }
      }
   }

   /**
    * Set the selected cell to the given row and column.
    * @param row The indicated row
    * @param col The indicated column
    */
   @Override
   public void setSelected(int row, int col) {
      this.selectedRow = row;
      this.selectedColumn = col;


   }

   /**
    * Retrive the row of the currently selected cell.
    * @return The row in which the selected cell is located.
    */
   public int getSelectedRow() {
      return this.selectedRow;
   }

   /**
    * Retrive the column of the currently selected cell.
    * @return The column in which the selected cell is located.
    */
   public int getSelectedColumn(){
      return this.selectedColumn;
   }
}