Bonjour,

j'ai ajouté 2 cases à cocher dans mon arbre, cependant je n'arrive pas à les cocher/décocher. Sauriez-vous m'expliquez pourquoi?

Voici mon code :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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public class CheckTreeCellRenderer extends JPanel implements TreeCellRenderer{ 
        private TreeCellRenderer delegate; 
        private JCheckBox checkBox1; 
        private JCheckBox checkBox2;
        private JLabel param, admin;
 
        public CheckTreeCellRenderer(TreeCellRenderer delegate) {
            this.delegate = delegate;
            this.setLayout(new BorderLayout()); 
            this.setOpaque(false);
 
            this.checkBox1 = new JCheckBox();
            this.checkBox2 = new JCheckBox();
//            this.checkBox1.setOpaque(false);
//            this.checkBox2.setOpaque(false);
            this.checkBox1.setFocusable(true);
            this.param=new JLabel("Param");
            this.admin=new JLabel("Admin");
        }
 
        public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus){ 
            Component renderer = delegate.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus); 
 
            removeAll();
 
            TreePath path = tree.getPathForRow(row);
 
            if(path==null)
                return renderer;
 
            if(row==0) {
                add(renderer, BorderLayout.CENTER);
                add(getPanel4FirstLine(), BorderLayout.EAST);                
            }
            else if(path.getPathCount()==2){
                add(renderer, BorderLayout.CENTER);
            }
            else {
                add(renderer, BorderLayout.CENTER);
                add(getPanel(checkBox1, checkBox2), BorderLayout.EAST);
            }
 
            return this;
        }
 
        private JPanel getPanel(JCheckBox c1, JCheckBox c2) {
            JPanel p=new JPanel();
            GroupLayout layout = new GroupLayout(p);        
            layout.setHorizontalGroup(
                layout.createSequentialGroup()
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
                    .addGroup(layout.createParallelGroup()
                        .addComponent(c1))
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
                    .addGroup(layout.createParallelGroup()
                        .addComponent(c2))
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
            );        
            layout.setVerticalGroup(
                layout.createSequentialGroup()
                    .addGap(ComponentDimension.GAP_4_VERTICAL_GROUP/2)
                    .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                        .addComponent(c1)
                        .addComponent(c2))
            );        
            p.setLayout(layout);
 
            return p;
        }
 
        private JPanel getPanel4FirstLine() {
            JPanel p=new JPanel();
            GroupLayout layout = new GroupLayout(p);        
            layout.setHorizontalGroup(
                layout.createSequentialGroup()
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
                    .addGroup(layout.createParallelGroup()
                        .addComponent(this.param))
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
                    .addGroup(layout.createParallelGroup()
                        .addComponent(this.admin))
                    .addGap(ComponentDimension.GAP_4_HORIZONTAL_GROUP)
            );        
            layout.setVerticalGroup(
                layout.createSequentialGroup()
                    .addGap(ComponentDimension.GAP_4_VERTICAL_GROUP+2)
                    .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                        .addComponent(this.param)
                        .addComponent(this.admin))
            );        
            p.setLayout(layout);
 
            return p;
        }
    }
Merci