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Java Forum / JavaBeans / May 2008

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help with a class

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beelzibub - 26 May 2008 00:54 GMT
package testjava;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
//import javax.swing.event.*;
class ChessBoard extends JFrame implements MouseListener,
MouseMotionListener {

    GridLayout Board = new GridLayout(8, 8);
    int xMove, yMove, labelw, labelh;
    JLabel label;
    int Xpos, Ypos;
    String[] manrow = {"Pawn0", "Pawn1", "Pawn2", "Pawn3", "Pawn4",
"Pawn5", "Pawn6", "Pawn7"};
    String[] manrowx = {"Pawn0", "Pawn1", "Pawn2", "Pawn3", "Pawn4",
"Pawn5", "Pawn6", "Pawn7"};
    String[] piecerow = {"Rook", "Knight", "Bishop", "Queen", "King",
"Bishop", "Knight", "Rook"};
    String[] piecerowx = {"Rook", "Knight", "Bishop", "Queen", "King",
"Bishop", "Knight", "Rook"};

// update these labels position, which is parent jpanel, at each move
    JPanel[][] grids;
    JLabel[][] pieces;
    Dimension pieceSize = new Dimension(100, 100);
    Container con;
    Component DraggingComp;
    GridLayout board;

    public ChessBoard() {
        super("ChessBoard");
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        board = new GridLayout(8, 8);
        Board.setHgap(4);
        Board.setVgap(4);
        Dimension boardSize = new Dimension(800, 800);
        con = getContentPane();
        new MySquares();        //con.setBackground(Color.black);
        con.addMouseListener(this);
        con.addMouseMotionListener(this);
        grids = new JPanel[8][8];
        pieces = new JLabel[8][8];
        label = new JLabel("0123456789");
        Dimension d = label.getPreferredSize();
        labelw = d.width;
        labelh = d.height;
        label.setBounds(Xpos, Ypos, labelw, labelh);

        setDefaultCloseOperation(EXIT_ON_CLOSE);
        /* for (int i = 0; i < 8; ++i) {
        for (int j = 0; j < 8; ++j) {
        MySquares.fillBoard();
        }
        }*/

        setSize(boardSize);
        setVisible(true);
    } // end constructor

    public JFrame addAction(JFrame frame) {
        frame.getContentPane().addMouseMotionListener(this);
        return frame;
    }

    public void seeIt(Component c) {
        System.out.println("in seeIt");
        add(c);
        ((JPanel) con).revalidate();
    }

    public void moveComponent(Component c, int newX, int newY, int
width, int height) {
        System.out.println("in moveComponent");
        c.setBounds(newX, newY, width, height);
        seeIt(c);
    }

    public String getMan(int i) {
        return manrow[i];
    }

    public String getPiece(int i) {
        return piecerow[i];
    }

    public boolean isOdd(int i) {
        return i % 2 != 0;
    }

    public boolean isEven(int i) {
        return i % 2 == 0;
    }

    public JLabel setBlue(JLabel b1) {
        b1.setOpaque(true);
        b1.setBackground(Color.blue);
        return b1;
    }

    public JLabel setYellow(JLabel b1) {
        b1.setOpaque(true);
        b1.setBackground(Color.yellow);
        return b1;
    }

    public void addColors() {
        for (int i = 0; i < 64; i++) {
            JLabel square = new JLabel(); //new BorderLayout());
            square.setOpaque(true);
            Board.addLayoutComponent(null, square);

            int row = (i / 8) % 2;
            if (row == 0) {
                square.setBackground(i % 2 == 0 ? Color.blue :
Color.yellow);
            } else {
                square.setBackground(i % 2 == 0 ? Color.yellow :
Color.blue);
            }
        }
    }

    public JLabel addBlankRow(int i, int j) {
        JLabel square = new JLabel();
        square.setOpaque(true);
        square.setLayout(new BorderLayout());

        if (isEven(j)) {
            square.setBackground(i % 2 == 0 ? Color.yellow : Color.blue);
            square.setName("blank");  // added
        } else {
            square.setBackground(i % 2 == 0 ? Color.blue : Color.yellow);
            square.setName("blank");  // added
        }
        //Board.addLayoutComponent(null,square);
        return square;
    }

    public JLabel addManRow(int i, int j) {
        String[] m = i == 1 ? manrowx : manrow;
        JLabel square = new JLabel();
        square.setOpaque(true);
        //square.setVerticalTextPosition(); // DEFAULT IS CENTER
        square.setLayout(new BorderLayout());

        int col = j + 1;
        if (isEven(col)) {
            square.setBackground(Color.yellow);
            square.add((new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);// added
        } else {
            square.setBackground(Color.blue);
            square.add((new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);  // added
        }
        return square;
    }

    public JLabel addPieceRow(int i, int j) {

        String[] m = i == 1 ? piecerow : piecerowx;
        JLabel square = new JLabel();
        square.setOpaque(true);
        square.setLayout(new BorderLayout());

        int col = j;
        if (isEven(col) && (col < 8)) {

            square.add(setYellow(new JLabel(m[j])), JLabel.CENTER);
            square.setBackground(Color.yellow);
            square.setName(m[j]);  // added
        } else {
            square.add(setBlue(new JLabel(m[j])), JLabel.CENTER);
            square.setBackground(Color.blue);
            square.setName(m[j]);  // added
        }
        return square;
    }

    public JLabel addPieceRowx(int i, int j) {
        String[] m = i == 1 ? piecerowx : piecerow;
        JLabel square = (new JLabel(m[j]));
        square.setOpaque(true);
        square.setLayout(new BorderLayout());

        int col = j + 1;
        if (isEven(col)) {
            square.setBackground(Color.yellow);
            square.add((new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);  // added
        } else {
            square.setBackground(Color.blue);
            square.add((new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);  // added
        }
        return square;
    }

    public JLabel addManRowx(int i, int j) {
        String[] m = i == 1 ? manrowx : manrow;
        JLabel square = new JLabel();
        square.setOpaque(true);
        square.setLayout(new BorderLayout());
        // ??? square.setVerticalTextPosition(CENTER);

        int col = j + 1;
        if (isEven(col)) {
            square.setBackground(Color.blue);
            square.add(setBlue(new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);  // added
        } else {
            square.setBackground(Color.yellow);
            square.add(setYellow(new JLabel(m[j])), JLabel.CENTER);
            square.setName(m[j]);  // added
        }
        return square;
    }

    public void mousePressed(MouseEvent me) {
        System.out.println("in mouse pressed");

        // get orriginal coordinates
        if (DraggingComp != null) {
            Xpos = me.getX();
            Ypos = me.getY();
            DraggingComp = getComponentAt(Xpos, Ypos);
        }

    }

    public void mouseDragged(MouseEvent me) {

        System.out.println("in mouse dragged");
        DraggingComp = con.getComponentAt(Xpos, Ypos);
        if (DraggingComp == null) {
            return;
        } else {
            Xpos = getX();
            Ypos = getY();
        }
        moveComponent(DraggingComp, Xpos, Ypos, labelw, labelh);

    }

    public void mouseReleased(MouseEvent me) {
    }

    public void mouseEntered(MouseEvent me) {
    }

    public void mouseExited(MouseEvent me) {
    }

    public void mouseMoved(MouseEvent me) {
    }

    public void mouseClicked(MouseEvent me) {
    }

    /* public void addSquares(int i, int j) {
    JLabel square = new JLabel();
    square.setLayout(new BorderLayout());
    square.setOpaque(true);
    int col = j;
    int row = i;
    switch (row) {
    case 0:
    addPieceRow(row, col);
    break;
    case 1:
    addManRow(row, col);
    break;
    case 2:
    addBlankRow(row, col);
    break;
    case 3:
    addBlankRow(row, col);
    break;
    case 4:
    addBlankRow(row, col);
    break;
    case 5:
    addBlankRow(row, col);
    break;
    case 6:
    addManRowx(row, col);
    break;
    case 7:
    addPieceRowx(row, col);
    break;
    }
    square.setBounds(Xpos, Ypos, labelw, labelh);
    add(square);
    //return;
    }*/
    class MySquares extends ChessBoard{

       public JFrame fillBoard(){
            for (int i = 0; i < 64; i++) {
                //Board.addLayoutComponent(null, square);

                int row = (i / 8) % 2;
                if (row == 0) {
                    setBackground(i % 2 == 0 ? Color.blue : Color.yellow);
                } else {
                    setBackground(i % 2 == 0 ? Color.yellow : Color.blue);
                }
            }
        }

      // return JFrame; // what!!!
        }

public static void main(String[] args) {
        new ChessBoard();
    }
}
Sabine Dinis Blochberger - 26 May 2008 10:14 GMT
> snip code

You didn't really ask a specific question. Saying "I'm lost" just will
get you answers like "do more research".

Be more specific about what part you are having trouble with and what
you want the code to do.
beelzibub - 26 May 2008 20:19 GMT
>> snip code
>
[quoted text clipped - 3 lines]
> Be more specific about what part you are having trouble with and what
> you want the code to do.

... i'm trying to build a class  MySquares wich will just checker the board.

b


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