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

}

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From source file:Main.java

public static void main(String args[]) {
    JTree tree = new JTree();
    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {

        @Override//from   w ww .  j a  v a2  s . co  m
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            System.out.println("Min: " + treeSource.getMinSelectionRow());
            System.out.println("Max: " + treeSource.getMaxSelectionRow());
            System.out.println("Lead: " + treeSource.getLeadSelectionRow());
            System.out.println("Row: " + treeSource.getSelectionRows()[0]);
        }
    };
    tree.addTreeSelectionListener(treeSelectionListener);
    JFrame frame = new JFrame();
    frame.add(new JScrollPane(tree));
    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:MainClass.java

public static void main(String args[]) {
    JFrame f = new JFrame("JTree Sample");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    JScrollPane scrollPane = new JScrollPane(tree);
    f.add(scrollPane, BorderLayout.CENTER);
    f.setSize(300, 200);// ww w .  jav  a  2 s. c  o m
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) {
    JTree tree = new JTree();
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    int treeSelectedRows[] = { 3, 1 };
    tree.setSelectionRows(treeSelectedRows);
    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {

        @Override/*from   w ww.j  a  va 2 s .c  om*/
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            System.out.println("Min: " + treeSource.getMinSelectionRow());
            System.out.println("Max: " + treeSource.getMaxSelectionRow());
            System.out.println("Lead: " + treeSource.getLeadSelectionRow());
            System.out.println("Row: " + treeSource.getSelectionRows()[0]);
        }
    };
    tree.addTreeSelectionListener(treeSelectionListener);
    JFrame frame = new JFrame("JTree With Multi-Discontiguous selection");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setPreferredSize(new Dimension(380, 320));
    frame.setLocation(150, 150);
    frame.pack();
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] argv) {
    JTree tree = new JTree();
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    int treeSelectedRows[] = { 3, 1 };
    tree.setSelectionRows(treeSelectedRows);
    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {

        @Override/*from   w  w  w  .j  av a  2 s  . c o m*/
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            System.out.println("Min: " + treeSource.getMinSelectionRow());
            System.out.println("Max: " + treeSource.getMaxSelectionRow());
            System.out.println("Lead: " + treeSource.getLeadSelectionRow());
            System.out.println("Row: " + treeSource.getSelectionRows()[0]);
        }
    };
    tree.addTreeSelectionListener(treeSelectionListener);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new JScrollPane(tree));
    frame.setPreferredSize(new Dimension(380, 320));
    frame.setLocation(150, 150);
    frame.pack();
    frame.setVisible(true);
}

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From source file:TreeSelectionRow.java

public static void main(String args[]) {
    String title = "JTree Sample";
    JFrame frame = new JFrame(title);
    JTree tree = new JTree();
    TreeSelectionListener treeSelectionListener = new TreeSelectionListener() {
        public void valueChanged(TreeSelectionEvent treeSelectionEvent) {
            JTree treeSource = (JTree) treeSelectionEvent.getSource();
            System.out.println("Min: " + treeSource.getMinSelectionRow());
            System.out.println("Max: " + treeSource.getMaxSelectionRow());
            System.out.println("Lead: " + treeSource.getLeadSelectionRow());
            System.out.println("Row: " + treeSource.getSelectionRows()[0]);
        }//from   ww w.ja  v  a2  s. c om
    };
    tree.addTreeSelectionListener(treeSelectionListener);

    JScrollPane scrollPane = new JScrollPane(tree);
    frame.getContentPane().add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:MainClass.java

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

    Box box = Box.createHorizontalBox();

    JTree tree1 = new JTree();
    JScrollPane scrollPane1 = new JScrollPane(tree1);
    tree1.setAutoscrolls(true);//from  w  w w  .  j  ava  2 s . c o m

    JTree tree2 = new JTree();
    tree2.putClientProperty("JTree.lineStyle", "None");
    JScrollPane scrollPane2 = new JScrollPane(tree2);

    box.add(scrollPane1, BorderLayout.WEST);
    box.add(scrollPane2, BorderLayout.EAST);

    frame.add(box, BorderLayout.CENTER);
    frame.setSize(300, 240);
    frame.setVisible(true);
}

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From source file:MainClass.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Changed Renderer");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTree tree = new JTree();
    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer) tree.getCellRenderer();

    renderer.setFont(new Font("Dialog", Font.BOLD | Font.ITALIC, 32));
    int rowHeight = tree.getRowHeight();
    if (rowHeight <= 0) {
        tree.setRowHeight(rowHeight - 1);
    }/*from   w  w  w  .  ja va  2s  .  co  m*/

    Color backgroundSelection = renderer.getBackgroundSelectionColor();
    renderer.setBackgroundSelectionColor(Color.blue);
    renderer.setBackgroundNonSelectionColor(backgroundSelection);

    // Swap text colors
    Color textSelection = renderer.getTextSelectionColor();
    renderer.setTextSelectionColor(Color.green);
    renderer.setTextNonSelectionColor(textSelection);

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

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From source file:Main.java

public static void main(String[] args) {
    JPanel panel = new JPanel(new BorderLayout());
    final JTree tree = new JTree();
    panel.add(new JScrollPane(tree));
    JButton btn = new JButton("Press Me");
    btn.addActionListener(et -> {/*from  w  ww.ja v  a2s . c o  m*/
        for (Enumeration e = ((TreeNode) tree.getModel().getRoot()).children(); e.hasMoreElements();) {
            TreeNode tn = (TreeNode) e.nextElement();
            tree.expandPath(new TreePath(((DefaultTreeModel) tree.getModel()).getPathToRoot(tn)));
        }
    });
    panel.add(btn, BorderLayout.SOUTH);
    JFrame frame = new JFrame("");
    frame.getContentPane().add(panel);
    frame.setSize(300, 300);
    frame.setLocation(100, 100);
    frame.pack();
    frame.show();
}

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From source file:TreeLines.java

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

    Container content = frame.getContentPane();
    Box box = Box.createHorizontalBox();

    JTree tree1 = new JTree();
    tree1.putClientProperty("JTree.lineStyle", "Angled");
    JScrollPane scrollPane1 = new JScrollPane(tree1);
    tree1.setAutoscrolls(true);/*from w  w w . jav  a  2s .c o  m*/

    JTree tree2 = new JTree();
    JScrollPane scrollPane2 = new JScrollPane(tree2);

    box.add(scrollPane1, BorderLayout.WEST);
    box.add(scrollPane2, BorderLayout.EAST);

    frame.getContentPane().add(box, BorderLayout.CENTER);
    frame.setSize(300, 240);
    frame.setVisible(true);
}

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