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(final String args[]) {
    JFrame frame = new JFrame("Editable Tree");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    tree.setEditable(true);//from w w  w .  j a  v a2s . c o m

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();

    DefaultCellEditor comboEditor = new DefaultCellEditor(new JTextField());

    System.out.println(comboEditor.getComponent());

    TreeCellEditor editor = new DefaultTreeCellEditor(tree, renderer, comboEditor);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Editable Tree");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    tree.setEditable(true);// w  ww .j a va2  s .  c  om

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();

    DefaultCellEditor comboEditor = new DefaultCellEditor(new JTextField());

    comboEditor.stopCellEditing();

    TreeCellEditor editor = new DefaultTreeCellEditor(tree, renderer, comboEditor);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(final String args[]) {
    JFrame frame = new JFrame("Editable Tree");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    tree.setEditable(true);/*w ww . j  a v  a 2  s . com*/

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();

    DefaultCellEditor comboEditor = new DefaultCellEditor(new JTextField());

    comboEditor.getCellEditorValue();

    TreeCellEditor editor = new DefaultTreeCellEditor(tree, renderer, comboEditor);
    tree.setCellEditor(editor);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:TreeExpandSample.java

public static void main(String args[]) {
    String title = ("JTree Expand Sample");
    JFrame frame = new JFrame(title);
    JTree tree = new JTree();
    TreeWillExpandListener treeWillExpandListener = new TreeWillExpandListener() {
        public void treeWillCollapse(TreeExpansionEvent treeExpansionEvent) throws ExpandVetoException {
            TreePath path = treeExpansionEvent.getPath();
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
            String data = node.getUserObject().toString();
            if (data.equals("colors")) {
                throw new ExpandVetoException(treeExpansionEvent);
            }//from ww w. jav a2s . com
        }

        public void treeWillExpand(TreeExpansionEvent treeExpansionEvent) throws ExpandVetoException {
            TreePath path = treeExpansionEvent.getPath();
            DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
            String data = node.getUserObject().toString();
            if (data.equals("sports")) {
                throw new ExpandVetoException(treeExpansionEvent);
            }
        }
    };
    tree.addTreeWillExpandListener(treeWillExpandListener);
    JScrollPane scrollPane = new JScrollPane(tree);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 150);
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    final ConfirmDialog dialog = new ConfirmDialog(f);
    final JTree tree = new JTree();
    tree.setVisibleRowCount(5);/*  w w  w. j a v  a2 s .co  m*/
    final JScrollPane treeScroll = new JScrollPane(tree);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JButton b = new JButton("Choose Tree Item");
    b.addActionListener(e -> {
        int result = dialog.showConfirmDialog(treeScroll, "Choose an item");
        if (result == ConfirmDialog.OK_OPTION) {
            System.out.println(tree.getSelectionPath());
        } else {
            System.out.println("User cancelled");
        }
    });
    JPanel p = new JPanel(new BorderLayout());
    p.add(b);
    p.setBorder(new EmptyBorder(50, 50, 50, 50));
    f.setContentPane(p);
    f.pack();
    f.setLocationByPlatform(true);
    f.setVisible(true);

}

From source file:Main.java

public static void main(String[] args) {
    Main dn = new Main(new JTree());
    dn.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    dn.setSize(400, 300);/*from   w w w  . j a  v a  2s. com*/
    dn.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    final JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Icon empty = new TreeIcon();
    UIManager.put("Tree.closedIcon", empty);
    UIManager.put("Tree.openIcon", empty);
    UIManager.put("Tree.collapsedIcon", empty);
    UIManager.put("Tree.expandedIcon", empty);
    UIManager.put("Tree.leafIcon", empty);

    JTree jt = new JTree();
    frame.add(jt);//from   ww  w  .  j a  v a 2  s.  c  o m
    frame.pack();
    frame.setSize(300, 400);
    frame.setVisible(true);
}

From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Traverse Tree");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTree tree = new JTree();
    tree.setRootVisible(true);/*  w  w w  .  jav  a2s  . c  o  m*/
    TreeModel model = tree.getModel();
    Object rootObject = model.getRoot();
    if ((rootObject != null) && (rootObject instanceof DefaultMutableTreeNode)) {
        DefaultMutableTreeNode r = (DefaultMutableTreeNode) rootObject;
        printDescendents(r);
        Enumeration breadth = r.breadthFirstEnumeration();
        Enumeration depth = r.depthFirstEnumeration();
        Enumeration preOrder = r.preorderEnumeration();
        printEnumeration(breadth, "Breadth");
        printEnumeration(depth, "Depth");
        printEnumeration(preOrder, "Pre");
    }

    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            TreePath path = treeSource.getSelectionPath();
            System.out.println(path);
            System.out.println(path.getPath());
            System.out.println(path.getParentPath());
            System.out.println(((DefaultMutableTreeNode) path.getLastPathComponent()).getUserObject());
            System.out.println(path.getPathCount());
        }
    };
    tree.addTreeSelectionListener(treeSelectionListener);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(300, 400);
    frame.setVisible(true);
}

From source file:LazySample.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Lazy Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Integer fifteen = new Integer(15);
    Object lazyArgs[] = new Object[] { Color.GREEN, Boolean.TRUE, fifteen, fifteen };
    Object lazyDiamond = new UIDefaults.ProxyLazyValue("MyIcon", lazyArgs);
    UIManager.put("Tree.openIcon", lazyDiamond);

    JTree tree = new JTree();
    JScrollPane scrollPane = new JScrollPane(tree);

    frame.add(scrollPane, BorderLayout.CENTER);
    frame.setSize(200, 200);/*from w w  w .j a v a2  s .c om*/
    frame.setVisible(true);
}

From source file:EmbedSwingAWTSWT.java

public static void main(String[] args) {
    final Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setText("SWT and Swing/AWT Example");

    Composite treeComp = new Composite(shell, SWT.EMBEDDED);

    treeComp.setBounds(5, 5, 300, 300);/*from  w  w  w  .  j  a  v a2  s  . c  o  m*/

    java.awt.Frame fileTableFrame = SWT_AWT.new_Frame(treeComp);
    java.awt.Panel panel = new java.awt.Panel(new java.awt.BorderLayout());
    fileTableFrame.add(panel);
    JTree fileTable = new JTree();
    fileTable.setDoubleBuffered(true);
    JScrollPane scrollPane = new JScrollPane(fileTable);
    panel.add(scrollPane);

    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch())
            display.sleep();
    }
    display.dispose();
}