Example usage for javax.swing JTree JTree

Introduction

In this page you can find the example usage for javax.swing JTree JTree.

Prototype

public JTree()

Source Link

Document

Returns a JTree with a sample model.

Usage

From source file:Main.java

public static void main(String[] args) {
    JTree tree = new JTree();
    Enumeration en = ((DefaultMutableTreeNode) tree.getModel().getRoot()).preorderEnumeration();
    while (en.hasMoreElements()) {
        TreePath path = new TreePath(((DefaultMutableTreeNode) en.nextElement()).getPath());
        String text = path.toString();
        System.out.println(text);
    }/*  w  w w . j av  a  2s  .com*/
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTree tree = new JTree();

    JFrame f = new JFrame();
    f.add(new JScrollPane(tree));
    f.setSize(300, 300);/*from  w  w w .j a v a2s.c o m*/
    f.setVisible(true);

    // Get paths of all selected nodes
    TreePath[] paths = tree.getSelectionPaths();

}

From source file:TreeSingleSelection.java

public static void main(String[] argv) {
    JTree tree = new JTree();

    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);

    JFrame frame = new JFrame("Tree single selection");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setSize(380, 320);//w w  w.j a  v a2 s.c  o  m
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTree tree = new JTree();
    visitAllExpandedNodes(tree);//from  w  w w. j a  v a  2  s . c om
}

From source file:TreeSelectionOption.java

public static void main(String[] argv) {
    JTree tree = new JTree();

    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setSize(380, 320);/*from  w  w w.j ava2s  .  c o  m*/
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

}

From source file:TreeDISCONTIGUOUSSelection.java

public static void main(String[] argv) {
    JTree tree = new JTree();

    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);

    JFrame frame = new JFrame("tree DISCONTIGUOUS selection");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setSize(380, 320);/*w w  w. j a v  a 2s .c o  m*/
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    JTree tree = new JTree();
    TreePath path = findByName(tree, new String[] { "JTree", "A", "a" });
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame f = new JFrame("Test");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    tree.putClientProperty("JTree.lineStyle", "Angled");
    // tree.putClientProperty("JTree.lineStyle", "Horizontal");
    // tree.putClientProperty("JTree.lineStyle", "None");
    for (int i = 0; i < tree.getRowCount(); i++) {
        tree.expandRow(i);/*from www. ja v a2s .  c o  m*/
    }
    f.add(tree);
    f.pack();
    f.setLocationRelativeTo(null);
    f.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    for (int i = 0; i < tree.getRowCount(); i++) {
        tree.expandRow(i);//w  w  w . ja v a  2  s  . com
    }
    f.add(new JScrollPane(tree));
    f.pack();
    f.setSize(200, 200);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    JTree tree = new JTree();

    tree.addTreeSelectionListener(new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent evt) {
            TreePath[] paths = evt.getPaths();

            for (int i = 0; i < paths.length; i++) {
                if (evt.isAddedPath(i)) {
                    System.out.println("This node has been selected");
                } else {
                    System.out.println("This node has been deselected");
                }// w w  w  . ja  v  a2  s  .c o m
            }
        }
    });
}