Olá pessoal, como faço pra saber se o ítem selecionado no JTree é uma pasta ou uma simplesmente a lâmina.
No caso deste código:
Como faço pra identificar que o cara clicou no “C”?
package testesjtree;
import java.awt.BorderLayout;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.JTree;
import javax.swing.ScrollPaneConstants;
import javax.swing.UIManager;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreePath;
import tiposmensagens.Mensagem;
public class MainClass {
public static void main(String[] a) {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new JTreeEvents());
f.setSize(500, 500);
f.setVisible(true);
} catch(Exception ex) {
ex.printStackTrace();
}
}
}
class JTreeEvents extends JPanel {
JTree tree;
public JTreeEvents() {
setLayout(new BorderLayout());
DefaultMutableTreeNode top = new DefaultMutableTreeNode("Options");
DefaultMutableTreeNode a = new DefaultMutableTreeNode("A");
top.add(a);
a.add(new DefaultMutableTreeNode("A1"));
a.add(new DefaultMutableTreeNode("A2"));
a.add(new DefaultMutableTreeNode("A3"));
DefaultMutableTreeNode b = new DefaultMutableTreeNode("B");
top.add(b);
b.add(new DefaultMutableTreeNode("B1"));
b.add(new DefaultMutableTreeNode("B2"));
b.add(new DefaultMutableTreeNode("B3"));
DefaultMutableTreeNode c = new DefaultMutableTreeNode("C");
top.add(c);
tree = new JTree(top);
int v = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;
int h = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;
JScrollPane jsp = new JScrollPane(tree, v, h);
add(jsp, BorderLayout.CENTER);
}
}