nombre de selections maximun dans un ButtonGroup

bonjour

J'ai créer 10 ToggleButton. Je voudrais que l'utilisateur ne puisse en selectionner que 2 au maximun ...
Je sais qu'il existe les ButtonGroup, ais cela ne permet que dans selectionner 1 seul.

Aurriez vous une idée de comment faire ?
merci

bon et bien a force de chercher ... j'ai trouver !!!
je vous donne mon code, merci quand meme !

Code:

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/** The panel returned*/ private VPanel panel = new VPanel();   /**The button to listen the conference 1. */ private VToggleButton conf_1 = new VToggleButton();   /**The button to listen the conference 2. */ private VToggleButton conf_2 = new VToggleButton();   /**The button to listen the conference 3. */ private VToggleButton conf_3 = new VToggleButton();   /**The button to listen the conference 4. */ private VToggleButton conf_4 = new VToggleButton();   /**The button to listen the conference 5. */ private VToggleButton conf_5 = new VToggleButton();   /**The button to listen the conference 6. */ private VToggleButton conf_6 = new VToggleButton();   /**The button to listen the conference 7. */ private VToggleButton conf_7 = new VToggleButton();   /**The button to listen the conference 8. */ private VToggleButton conf_8 = new VToggleButton();   /**The button to listen the conference 9. */ private VToggleButton conf_9 = new VToggleButton();   /**The button to listen the conference 10. */ private VToggleButton conf_10 = new VToggleButton();   /** List which contain the position of the button (pressed or not). */ private Map<VToggleButton,Boolean> buttonPosition = new HashMap<VToggleButton,Boolean>();     public ConferenceVE(String arg0) { super(arg0); buttonPosition.put(conf_1,false); buttonPosition.put(conf_2,false); buttonPosition.put(conf_3,false); buttonPosition.put(conf_4,false); buttonPosition.put(conf_5,false); buttonPosition.put(conf_6,false); buttonPosition.put(conf_7,false); buttonPosition.put(conf_8,false); buttonPosition.put(conf_9,false); buttonPosition.put(conf_10,false);   }   @Override public JComponent createJComponent() { panel = new VPanel(new GridBagLayout());   conf_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_1.isSelected()) { buttonPosition.put(conf_1, true); verifNombreSelec(); } else { buttonPosition.put(conf_1, false); verifNombreSelec(); } } }); conf_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_2.isSelected()) { buttonPosition.put(conf_2, true); verifNombreSelec(); } else { buttonPosition.put(conf_2, false); verifNombreSelec(); } } }); conf_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_3.isSelected()) { buttonPosition.put(conf_3, true); verifNombreSelec(); } else { buttonPosition.put(conf_3, false); verifNombreSelec(); } } }); conf_4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_4.isSelected()) { buttonPosition.put(conf_4, true); verifNombreSelec(); } else { buttonPosition.put(conf_4, false); verifNombreSelec(); } } }); conf_5.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_5.isSelected()) { buttonPosition.put(conf_5, true); verifNombreSelec(); } else { buttonPosition.put(conf_5, false); verifNombreSelec(); } } }); conf_6.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_6.isSelected()) { buttonPosition.put(conf_6, true); verifNombreSelec(); } else { buttonPosition.put(conf_6, false); verifNombreSelec(); } } }); conf_7.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_7.isSelected()) { buttonPosition.put(conf_7, true); verifNombreSelec(); } else { buttonPosition.put(conf_7, false); verifNombreSelec(); } } }); conf_8.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_8.isSelected()) { buttonPosition.put(conf_8, true); verifNombreSelec(); } else { buttonPosition.put(conf_8, false); verifNombreSelec(); } } }); conf_9.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_9.isSelected()) { buttonPosition.put(conf_9, true); verifNombreSelec(); } else { buttonPosition.put(conf_9, false); verifNombreSelec(); } } }); conf_10.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { if(conf_10.isSelected()) { buttonPosition.put(conf_10, true); verifNombreSelec(); } else { buttonPosition.put(conf_10, false); verifNombreSelec(); } } });   return panel; }     /** Construction of the panel on the event aplication ready in order to have all parameters needed. */ public void onApplicationReady() {   setTextButton(conf_1,"Conférence 1"); setTextButton(conf_2,"Conférence 2"); setTextButton(conf_3,"Conférence 3"); setTextButton(conf_4,"Conférence 4"); setTextButton(conf_5,"Conférence 5"); setTextButton(conf_6,"Conférence 6"); setTextButton(conf_7,"Conférence 7"); setTextButton(conf_8,"Conférence 8"); setTextButton(conf_9,"Conférence 9"); setTextButton(conf_10,"Conférence 10");   panel.add(conf_1, new GridBagConstraints(0, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_2, new GridBagConstraints(1, 0, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_3, new GridBagConstraints(0, 1, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_4, new GridBagConstraints(1, 1, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_5, new GridBagConstraints(0, 2, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_6, new GridBagConstraints(1, 2, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_7, new GridBagConstraints(0, 3, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_8, new GridBagConstraints(1, 3, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_9, new GridBagConstraints(0, 4, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0)); panel.add(conf_10, new GridBagConstraints(1, 4, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,new Insets(10, 10, 10, 10), 0, 0));   }     /** Funtion to set the text to the button. */ public void setTextButton (VToggleButton button, String text) { VLabel labelText = new VLabel(); Font dialog = new Font("Dialog", Font.ROMAN_BASELINE, 32); labelText.setFont(dialog); labelText.setText(text); labelText.setHorizontalAlignment(SwingConstants.CENTER); button.add(labelText);   button.setLayout(new CardLayout()); }   public void actionPerformed(ActionEvent arg0) {   }   public void verifNombreSelec() { int k = 0; Set cles = buttonPosition.keySet(); Iterator iter = cles.iterator();   while(iter.hasNext()) { Object cle = iter.next(); if(buttonPosition.get(cle) == true) {k=k+1;} } if(k == 2){     Set cles2 = buttonPosition.keySet(); Iterator iter2 = cles2.iterator(); while(iter2.hasNext()) { Object cle2 = iter2.next(); if(buttonPosition.get(conf_1)==true) { conf_1.setEnabled(true); } else {conf_1.setEnabled(false);} if(buttonPosition.get(conf_2)==true) { conf_2.setEnabled(true); } else {conf_2.setEnabled(false);} if(buttonPosition.get(conf_3)==true) { conf_3.setEnabled(true); } else {conf_3.setEnabled(false);} if(buttonPosition.get(conf_4)==true) { conf_4.setEnabled(true); } else {conf_4.setEnabled(false);} if(buttonPosition.get(conf_5)==true) { conf_5.setEnabled(true); } else {conf_5.setEnabled(false);} if(buttonPosition.get(conf_6)==true) { conf_6.setEnabled(true); } else {conf_6.setEnabled(false);} if(buttonPosition.get(conf_7)==true) { conf_7.setEnabled(true); } else {conf_7.setEnabled(false);} if(buttonPosition.get(conf_8)==true) { conf_8.setEnabled(true); } else {conf_8.setEnabled(false);} if(buttonPosition.get(conf_9)==true) { conf_9.setEnabled(true); } else {conf_9.setEnabled(false);} if(buttonPosition.get(conf_10)==true) { conf_10.setEnabled(true); } else {conf_10.setEnabled(false);} } }else { conf_1.setEnabled(true); conf_2.setEnabled(true); conf_3.setEnabled(true); conf_4.setEnabled(true); conf_5.setEnabled(true); conf_6.setEnabled(true); conf_7.setEnabled(true); conf_8.setEnabled(true); conf_9.setEnabled(true); conf_10.setEnabled(true); } }

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c'est long mais ça peut interesser du monde ! :bug: