Example usage for javax.swing.tree DefaultMutableTreeNode DefaultMutableTreeNode

List of usage examples for javax.swing.tree DefaultMutableTreeNode DefaultMutableTreeNode

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Introduction

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

Prototype

public DefaultMutableTreeNode(Object userObject)

Source Link

Document

Creates a tree node with no parent, no children, but which allows children, and initializes it with the specified user object.

Usage

From source file:DndTree.java

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

    JPanel top = new JPanel(new BorderLayout());
    JLabel dragLabel = new JLabel("Drag me:");
    JTextField text = new JTextField();
    text.setDragEnabled(true);// w ww . j av  a 2 s  . co m
    top.add(dragLabel, BorderLayout.WEST);
    top.add(text, BorderLayout.CENTER);
    f.add(top, BorderLayout.NORTH);

    final JTree tree = new JTree();
    final DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
    tree.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor) || !support.isDrop()) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            return dropLocation.getPath() != null;
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dropLocation.getPath();
            Transferable transferable = support.getTransferable();

            String transferData;
            try {
                transferData = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (IOException e) {
                return false;
            } catch (UnsupportedFlavorException e) {
                return false;
            }

            int childIndex = dropLocation.getChildIndex();
            if (childIndex == -1) {
                childIndex = model.getChildCount(path.getLastPathComponent());
            }

            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(transferData);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            model.insertNodeInto(newNode, parentNode, childIndex);

            TreePath newPath = path.pathByAddingChild(newNode);
            tree.makeVisible(newPath);
            tree.scrollRectToVisible(tree.getPathBounds(newPath));
            return true;
        }
    });

    JScrollPane pane = new JScrollPane(tree);
    f.add(pane, BorderLayout.CENTER);

    tree.setDropMode(DropMode.INSERT);
    f.setSize(300, 400);
    f.setVisible(true);
}

From source file:DndTree.java

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

    JPanel top = new JPanel(new BorderLayout());
    JLabel dragLabel = new JLabel("Drag me:");
    JTextField text = new JTextField();
    text.setDragEnabled(true);/*  w  w  w.j av  a 2  s  .  c  om*/
    top.add(dragLabel, BorderLayout.WEST);
    top.add(text, BorderLayout.CENTER);
    f.add(top, BorderLayout.NORTH);

    final JTree tree = new JTree();
    final DefaultTreeModel model = (DefaultTreeModel) tree.getModel();
    tree.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor) || !support.isDrop()) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            return dropLocation.getPath() != null;
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }
            JTree.DropLocation dropLocation = (JTree.DropLocation) support.getDropLocation();
            TreePath path = dropLocation.getPath();
            Transferable transferable = support.getTransferable();

            String transferData;
            try {
                transferData = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (IOException e) {
                return false;
            } catch (UnsupportedFlavorException e) {
                return false;
            }

            int childIndex = dropLocation.getChildIndex();
            if (childIndex == -1) {
                childIndex = model.getChildCount(path.getLastPathComponent());
            }

            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(transferData);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            model.insertNodeInto(newNode, parentNode, childIndex);

            TreePath newPath = path.pathByAddingChild(newNode);
            tree.makeVisible(newPath);
            tree.scrollRectToVisible(tree.getPathBounds(newPath));
            return true;
        }
    });

    JScrollPane pane = new JScrollPane(tree);
    f.add(pane, BorderLayout.CENTER);

    tree.setDropMode(DropMode.ON_OR_INSERT);
    f.setSize(300, 400);
    f.setVisible(true);
}

From source file:SimpleClient.java

public static void main(String argv[]) {
    boolean usage = false;

    for (int optind = 0; optind < argv.length; optind++) {
        if (argv[optind].equals("-L")) {
            url.addElement(argv[++optind]);
        } else if (argv[optind].startsWith("-")) {
            usage = true;//from w  w  w  .  j  ava2s  . c  om
            break;
        } else {
            usage = true;
            break;
        }
    }

    if (usage || url.size() == 0) {
        System.out.println("Usage: SimpleClient -L url");
        System.out.println("   where url is protocol://username:password@hostname/");
        System.exit(1);
    }

    try {
        // Set up our Mailcap entries.  This will allow the JAF
        // to locate our viewers.
        File capfile = new File("simple.mailcap");
        if (!capfile.isFile()) {
            System.out.println("Cannot locate the \"simple.mailcap\" file.");
            System.exit(1);
        }

        CommandMap.setDefaultCommandMap(new MailcapCommandMap(new FileInputStream(capfile)));

        JFrame frame = new JFrame("Simple JavaMail Client");
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        //frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

        // Get a Store object
        SimpleAuthenticator auth = new SimpleAuthenticator(frame);
        Session session = Session.getDefaultInstance(System.getProperties(), auth);
        //session.setDebug(true);

        DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");

        // create a node for each store we have
        for (Enumeration e = url.elements(); e.hasMoreElements();) {
            String urlstring = (String) e.nextElement();
            URLName urln = new URLName(urlstring);
            Store store = session.getStore(urln);

            StoreTreeNode storenode = new StoreTreeNode(store);
            root.add(storenode);
        }

        DefaultTreeModel treeModel = new DefaultTreeModel(root);
        JTree tree = new JTree(treeModel);
        tree.addTreeSelectionListener(new TreePress());

        /* Put the Tree in a scroller. */
        JScrollPane sp = new JScrollPane();
        sp.setPreferredSize(new Dimension(250, 300));
        sp.getViewport().add(tree);

        /* Create a double buffered JPanel */
        JPanel sv = new JPanel(new BorderLayout());
        sv.add("Center", sp);

        fv = new FolderViewer(null);

        JSplitPane jsp = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, sv, fv);
        jsp.setOneTouchExpandable(true);
        mv = new MessageViewer();
        JSplitPane jsp2 = new JSplitPane(JSplitPane.VERTICAL_SPLIT, jsp, mv);
        jsp2.setOneTouchExpandable(true);

        frame.getContentPane().add(jsp2);
        frame.pack();
        frame.show();

    } catch (Exception ex) {
        System.out.println("SimpletClient caught exception");
        ex.printStackTrace();
        System.exit(1);
    }
}

From source file:Main.java

static DefaultMutableTreeNode createTreeModel(File file, boolean recursive) {
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(file);
    if (file.isDirectory() && recursive) {
        File[] children = file.listFiles();
        if (children != null) {
            for (File f : children) {
                node.add(createTreeModel(f, recursive));
            }/*from  ww  w  .  j av a 2 s. com*/
        }
    }
    return node;
}

From source file:Main.java

private static DefaultTreeModel getTreeModel() {
    return new DefaultTreeModel(new DefaultMutableTreeNode("Root object"));
}

From source file:Main.java

private static DefaultTreeModel buildDemoModel() {
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("Root");

    root.add(new DefaultMutableTreeNode("A"));
    root.add(new DefaultMutableTreeNode("B"));
    root.add(new DefaultMutableTreeNode("C"));

    return new DefaultTreeModel(root);
}

From source file:Main.java

static DefaultMutableTreeNode pathToTreeNode(Object[] objects, int offset) {
    if (objects == null || objects.length == 0 || offset >= objects.length || offset < 0) {
        return null;
    }//from  ww  w  .j a  va2s  . co m
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(objects[offset]);
    DefaultMutableTreeNode child = pathToTreeNode(objects, offset + 1);
    if (child != null) {
        node.add(child);
    }
    return node;
}

From source file:Main.java

private static void fillTree(DefaultMutableTreeNode parent, int level, String label) {
    for (int i = 0; i < 5; i++) {
        DefaultMutableTreeNode node = new DefaultMutableTreeNode(label + " " + i);
        parent.add(node);/*from ww w  .j  av a  2  s  .  c  o m*/
        if (level > 0) {
            fillTree(node, level - 1, label);
        }
    }
}

From source file:Main.java

public static DefaultMutableTreeNode cloneTreeNode(DefaultMutableTreeNode srcNode) {
    if (srcNode == null)
        return null;
    DefaultMutableTreeNode node = new DefaultMutableTreeNode(srcNode.getUserObject());
    for (int i = 0; i < srcNode.getChildCount(); i++) {
        DefaultMutableTreeNode child = (DefaultMutableTreeNode) srcNode.getChildAt(i);
        addCloneNode(child, node);//from  ww w.ja  v  a 2 s. com
    }
    return node;
}

From source file:Main.java

private static TreeModel getTreeModel() {
    return new DefaultTreeModel(getNodes(
            new DefaultMutableTreeNode("<html>Root <a href=\"http://www.google.be\">Google</a></html>"), 5));
}