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 | import javax.swing.*;
 
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.*;
import java.util.Enumeration;
 
import javax.swing.event.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;
 
 
public  class Tree extends JFrame implements TreeSelectionListener {
 
private JTree arbre;
private JToolBar barre = new JToolBar();
private JTextField jtf = new  JTextField("");
private JButton bouton= new JButton("Search");
 
 
public Tree() {
 super("DDSM");
 
 
 bouton.addActionListener(new BoutonListener());
 Font police = new Font("Arial", Font.BOLD, 14);
 jtf.setFont(police);
 jtf.setPreferredSize(new Dimension(150, 30));
 jtf.setForeground(Color.BLUE);
 jtf.setPreferredSize(new Dimension(150, 30));
 
 jtf.setEditable( true );
 barre.add(jtf);
 barre.add(bouton);
 
 
construireArbre();
add(barre, BorderLayout.SOUTH);
add(new JScrollPane(arbre), BorderLayout.WEST);
 
setSize(540, 300);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
}
 
class BoutonListener implements ActionListener{
String word; 
               public void actionPerformed(ActionEvent e) {
            	   if(e.getSource() == bouton)
            	      {
            	        word=jtf.getText();
            	        String[] split = word.split("");
    					for (int i = 0; i < split.length; i++) {
    						 word= split[i];
    						 }
            	        findByName(arbre,split);
            	       }
 
 
               }
 
       }
 
public static void main(String[] args) { 
	new Tree(); 
	}
private void construireArbre() {
 
	DefaultMutableTreeNode root = new DefaultMutableTreeNode("DDSM");
 
	String[] volums = DDsm.getVolums();
 
	for (int i = 0; i < volums.length; i++) {
		DefaultMutableTreeNode volume = new DefaultMutableTreeNode(volums[i],true);
 
		// creation des noeuds case
		String[] cases = DDsm.getCases(volums[i]);
		for (int j = 0; j < cases.length; j++) {
			DefaultMutableTreeNode ccase = new DefaultMutableTreeNode(cases[j],true);
 
			// creation des noeuds fichier
			String[] files = DDsm.getFiles(volums[i], cases[j]);
			for (int k = 0; k < files.length; k++) {
				ccase.add(new DefaultMutableTreeNode(files[k],false));
			}
			volume.add(ccase);
		}
		root.add(volume);
	}
	DefaultTreeModel treeModel = new DefaultTreeModel(root);
 
 
arbre = new JTree(root,true);
arbre.setPreferredSize(new Dimension(300, 1000));
 
arbre.addTreeSelectionListener(this);
arbre.setEditable(true);
 
}
 
public TreePath findByName(JTree tree, String[] names) {
    TreeNode root = (TreeNode) tree.getModel().getRoot();
    return find(new TreePath(root), names, 0, true);
} 
 
private TreePath find(TreePath parent, Object[] nodes, int depth, boolean byName) {
    TreeNode node = (TreeNode) parent.getLastPathComponent();
 
    Object o = node;
    if(o == null) return null;
 
    // If by name, convert node to a string
    if (byName)
        o = o.toString();
 
    // If equal, go down the branch
    if (o.equals(nodes[depth])) {
 
        // If at end, return match
        if (depth == nodes.length - 1)
            return parent;
 
        // Traverse children
        if (node.getChildCount() >= 0)
            for (Enumeration e = node.children(); e.hasMoreElements(); ) {
                TreeNode n = (TreeNode) e.nextElement();
                TreePath path = parent.pathByAddingChild(n);
                TreePath result = find(path, nodes, depth + 1, byName);
 
                // Found a match
                if (result != null)
                    return result;
            }
    }
    // No match at this branch
    return null;
} 
 
 
@Override
public void valueChanged(TreeSelectionEvent arg0) {
	// TODO Auto-generated method stub
 
}
 
 
 
 
 
} | 
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