Placement des JBoutons et des JPanels
Bonjour,
Dans le code suivant, je ne comprends pas pourquoi la matrice de boutton ne s'affiche pas; pourtant, c'est fait d'une manière identique au autres bouttons...
Code:
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import java.awt.Dimension;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class Grille extends JFrame{
JPanel panel;
FlowLayout layout;
JButton init;
JButton start;
JButton stop;
JButton[][] b;
int dim = 10;
Grille(){
super();
build();
}
void build(){
setTitle("Fourmilière");
setSize(500,700);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setContentPane(getPanel());
setVisible(true);
}
JPanel getPanel(){
layout = new FlowLayout();
layout.setAlignment(FlowLayout.CENTER);
panel = new JPanel();
panel.setLayout(layout);
init = new JButton("init");
init.setPreferredSize(new Dimension(75,25));
panel.add(init);
start = new JButton("start");
start.setPreferredSize(new Dimension(75,25));
panel.add(start);
stop = new JButton("Stop");
stop.setPreferredSize(new Dimension(75,25));
panel.add(stop);
b = new JButton[dim][dim];
for(int i=0; i<dim; i++){
for(int j=0; j>dim; j++){
b[i][j] = new JButton(" ");
b[i][j].setPreferredSize(new Dimension(10,10));
panel.add(b[i][j]);
}
}
return panel;
}
} |
