Hi Nathan,
I finally find a easy way to do it. The order is very important to me because I want to cut/copy/paste the exactly same order to another folder node. Please let me know if you have better solution and thanks again for your time.
<code>
import java.awt.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.JTree.*;
import java.awt.event.*;
import javax.swing.event.*;
public class SelectableTree extends JFrame {
private JTree tree;
private JButton showSelectionButton = new JButton("Show Selection");
public static void main(
String[] args) {
new SelectableTree();
}
public SelectableTree() {
super("JTree Selections");
Container content = getContentPane();
DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");
DefaultMutableTreeNode child;
DefaultMutableTreeNode grandChild;
for(int childIndex=1; childIndex<4; childIndex++) {
child = new DefaultMutableTreeNode("Child " + childIndex);
root.add(child);
for(int grandChildIndex=1; grandChildIndex<6; grandChildIndex++) {
grandChild =
new DefaultMutableTreeNode("Grandchild " + childIndex + "." + grandChildIndex);
child.add(grandChild);
}
}
tree = new JTree(root);
tree.getSelectionModel().setSelectionMode(javax.swing.tree.TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
content.add(new JScrollPane(tree), BorderLayout.CENTER);
showSelectionButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
TreePath[] treePaths = tree.getSelectionPaths();
int [] treeRows = tree.getSelectionRows();
for (int i = 0; i < treePaths.length; i++) {
DefaultMutableTreeNode Node
= (DefaultMutableTreeNode)treePaths[i].getLastPathComponent();
System.out.println(Node.toString());
}
System.out.println("Before sorting");
for (int i = 0; i < treeRows.length; i++) {
TreePath treePath = tree.getPathForRow(treeRows[i]);
DefaultMutableTreeNode Node
= (DefaultMutableTreeNode)treePath.getLastPathComponent();
System.out.println(Node.toString());
}
System.out.println("After sorting");
java.util.Arrays.sort(treeRows);
for (int i = 0; i < treeRows.length; i++) {
TreePath treePath = tree.getPathForRow(treeRows[i]);
DefaultMutableTreeNode Node
= (DefaultMutableTreeNode)treePath.getLastPathComponent();
System.out.println(Node.toString());
}
}
});
content.add(showSelectionButton, BorderLayout.SOUTH);
setSize(250, 275);
setVisible(true);
}
}
</code>
