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| import java.awt.*;
import javax.swing.*;
public class Calc{
private GridBagConstraints gbc = new GridBagConstraints();
private GridBagLayout layout = new GridBagLayout();
private String[][] touches = {
{"MC","7","8","9","/","RAC"},
{"MR","4","5","6","*","%"},
{"MS","1","2","3","-","1/x"},
{"M+","0","+/-",",","+","="}};
private Panel panel = new Panel(layout);
private Insets insets= new Insets(1,1,1,1);
public Calc(){
JFrame frame = new JFrame("Calculatrice de TIMA");
//Ajout des composants supérieurs
JButton ra = new JButton ("Retour arrière");
JButton ce = new JButton ("CE");
JButton c = new JButton ("C");
JTextField textField = new JTextField();
this.ajouterComposant(textField,0,0,7);
this.ajouterComposant(ra,1,1,2);
this.ajouterComposant(ce,3,1,2);
this.ajouterComposant(c,5,1,2);
//Ajout des éléments de la grille du milieu
for(int i=0;i<6;i++){
for(int j=0;j<4;j++){
JButton boutton = new JButton (touches[j][i]);
//Espacement plus important (à droite) pour les éléments sur la première colonne
if(i==0) insets = insets= new Insets(1,1,1,10);
else insets = insets= new Insets(1,1,1,1);
this.ajouterComposant(boutton,i,j+2,1);//j+2 : parce qu'on commence à la 3èmé ligne, les 2 première étant déjà prise
}
}
frame.setContentPane(panel);
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args){
new Calc();
}
private void ajouterComposant(Component composant, int colonne,int ligne,int width){
gbc.gridx = colonne;
gbc.gridy = ligne;
gbc.gridwidth = width;//nombres de cases utilisées horizontalement
gbc.gridheight = 1;
gbc.insets = insets;//Ecarts entre les cases
gbc.fill = GridBagConstraints.BOTH;//Remplir avec tous l'espace disponible
gbc.anchor = GridBagConstraints.CENTER;//Toujours centré sur la case
gbc.weightx=1.0f;//Politique de redimensionnement horizontal
gbc.weighty=1.0f;//Politique de redimensionnement vertical
layout.setConstraints(composant, gbc);//gbc = GridBagConstraints
panel.add(composant);//Ajout au panel
}
} |
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