GridLayout?? ??? X ? Y ???? ?? ?? ??

Java?? GridLayout? ??? ? x ? Y ???? ???? ? ?? ????. ??? ? ?? ??? y ???. ?? ???? ??? ??? ?? ?? ??? 2?? ??? ???? ?? ??? ?????.

<br> @Override<br> public void actionPerformed(ActionEvent ae) {</p>
<pre class="brush:php;toolbar:false">JButton bx = (JButton) ae.getSource();
for (int i = 0; i < 5; i++)
  for (int j = 0; j < 5; j++)
    if (b[i][j] == bx)
    {
      bx.setBackground(Color.RED);
    }

}

? ??? ???? ??? ???? ????. ??? ??? ??? ???? ? ???? ??? ????.

GridButtonPanel ??? ??

?? Java ??? ???? ???? ?????.

???? java.awt.EventQueue;
???? java.awt.GridLayout;
java.awt.event.ActionEvent ????;
java.awt.event.ActionListener ????;
java.util.ArrayList ????;
java.util.List ????;
javax.swing.JButton ????;
???? javax.swing.JFrame;
import javax.swing.JPanel;

/**

• @see http://stackoverflow.com/questions/7702697
  */

?? ??? GridButtonPanel {

private static final int N = 5;
private final List<JButton> list = new ArrayList<JButton>();

private JButton getGridButton(int r, int c) {
    int index = r * N + c;
    return list.get(index);
}

private JButton createGridButton(final int row, final int col) {
    final JButton b = new JButton("r" + row + ",c" + col);
    b.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            JButton gb = GridButtonPanel.this.getGridButton(row, col);
            System.out.println("r" + row + ",c" + col
                + " " + (b == gb)
                + " " + (b.equals(gb)));
        }
    });
    return b;
}

private JPanel createGridPanel() {
    JPanel p = new JPanel(new GridLayout(N, N));
    for (int i = 0; i < N * N; i++) {
        int row = i / N;
        int col = i % N;
        JButton gb = createGridButton(row, col);
        list.add(gb);
        p.add(gb);
    }
    return p;
}

private void display() {
    JFrame f = new JFrame("GridButton");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(createGridPanel());
    f.pack();
    f.setLocationRelativeTo(null);
    f.setVisible(true);
}

public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {

        @Override
        public void run() {
            new GridButtonPanel().display();
        }
    });
}

}

? ????:

1. getGridButton() ???:

? ???? ???? x ? y ??? ???? ????? ??? ??? ? ????. ??? ???? ???? ?? ? ?(N)? ??? ?(r)? ??? ??? ?(c)? ????.

2. ?? ???:

??? ???? ?? ???? ????? getGridButton() ???? ???? ??? ??? ?????. ?? ?? ??? ??(b)? ??? ??? ??(gb)? ???? ? ? ??? ??? ????? ?????.

3. display() ???:

? ???? ??? ??? ?????(GUI)? ???? ?????.

? ????? ???? GUI? x? ??? ??? ?? ???? ?????. ??? y ??. ??? ???? ??? ?? ??? ???? ??? ID? ?????.

?:

"r2,c3 ??? ???? ", ?? ??? ??? ????.

r2,c3 true true

??? ??? ??? (gb)? ??? ?? (b)? ????, ?? ???? ??? ?????.

? ?? ??? ???? ??? ?? ?? ????? ??? GridLayout? ?? ??? x ? y ???? ????? ???? ? ????.

? ??? Java GridLayout?? ??? X ? Y ???? ????? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!