Example usage for javax.swing.tree DefaultTreeModel nodesWereInserted

Introduction

In this page you can find the example usage for javax.swing.tree DefaultTreeModel nodesWereInserted.

Prototype

public void nodesWereInserted(TreeNode node, int[] childIndices) 

Source Link

Document

Invoke this method after you've inserted some TreeNodes into node.

Usage

From source file:Main.java

public static void main(String[] args) {
    JFrame frame = new JFrame(Main.class.getSimpleName());
    DefaultTreeModel model = getTreeModel();
    JTree tree1 = new JTree(model);
    JTree tree2 = new JTree(model);
    frame.add(new JScrollPane(tree1), BorderLayout.WEST);
    frame.add(new JScrollPane(tree2), BorderLayout.EAST);
    frame.pack();/*from  www.j  a  v a  2s.  c o  m*/
    frame.setSize(frame.getWidth() + 50, frame.getHeight() + 140);
    frame.setVisible(true);
    Timer t = new Timer(2000, new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            DefaultMutableTreeNode root = (DefaultMutableTreeNode) model.getRoot();
            root.add(new DefaultMutableTreeNode("A new node"));
            model.nodesWereInserted(root, new int[] { root.getChildCount() - 1 });
            tree1.expandRow(0);
            tree2.expandRow(0);
            frame.revalidate();
        }
    });
    t.start();
}

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