Example usage for javax.swing JList setDragEnabled

Introduction

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

Prototype

@BeanProperty(bound = false, description = "determines whether automatic drag handling is enabled")
public void setDragEnabled(boolean b) 

Source Link

Document

Turns on or off automatic drag handling.

Usage

From source file:DnDDemo3.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);/*from  ww  w. j  a  va  2  s  .c om*/
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.USE_SELECTION);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:DropModeON.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);//w w w .  j a v a  2 s .  c  om
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }

            // Scroll to display the element that was dropped
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.ON);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:DropModeON_OR_INSERT.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);/*from  www. j a  v a  2s. c o m*/
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }

            // Scroll to display the element that was dropped
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.ON_OR_INSERT);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:DropModeINSERT.java

public static void main(String[] args) {
    JPanel north = new JPanel();
    north.add(new JLabel("Drag from here:"));
    JTextField field = new JTextField(10);
    field.setDragEnabled(true);/*from   w ww.  j  a v a2 s  . c o m*/
    north.add(field);

    final DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("first");
    listModel.addElement("second");
    final JList list = new JList(listModel);
    list.setDragEnabled(true);

    list.setTransferHandler(new TransferHandler() {
        public boolean canImport(TransferHandler.TransferSupport support) {
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }
            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            if (dl.getIndex() == -1) {
                return false;
            } else {
                return true;
            }
        }

        public boolean importData(TransferHandler.TransferSupport support) {
            if (!canImport(support)) {
                return false;
            }

            Transferable transferable = support.getTransferable();
            String data;
            try {
                data = (String) transferable.getTransferData(DataFlavor.stringFlavor);
            } catch (Exception e) {
                return false;
            }

            JList.DropLocation dl = (JList.DropLocation) support.getDropLocation();
            int index = dl.getIndex();
            if (dl.isInsert()) {
                listModel.add(index, data);
            } else {
                listModel.set(index, data);
            }

            // Scroll to display the element that was dropped
            Rectangle r = list.getCellBounds(index, index);
            list.scrollRectToVisible(r);
            return true;
        }
    });
    JScrollPane center = new JScrollPane();
    center.setViewportView(list);

    list.setDropMode(DropMode.INSERT);
    JPanel cp = new JPanel();
    cp.setLayout(new BorderLayout());
    cp.add(north, BorderLayout.NORTH);
    cp.add(center, BorderLayout.CENTER);
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setContentPane(cp);
    frame.pack();
    frame.setVisible(true);
}

---

From source file:de.dakror.virtualhub.client.dialog.ChooseCatalogDialog.java

public static void show(ClientFrame frame, final JSONArray data) {
    final JDialog dialog = new JDialog(frame, "Katalog whlen", true);
    dialog.setSize(400, 300);/*w ww.j  a  v  a  2 s. co m*/
    dialog.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
    dialog.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
            Client.currentClient.disconnect();
            System.exit(0);
        }
    });

    JPanel contentPane = new JPanel(new FlowLayout(FlowLayout.LEADING, 0, 0));
    dialog.setContentPane(contentPane);
    DefaultListModel dlm = new DefaultListModel();
    for (int i = 0; i < data.length(); i++) {
        try {
            dlm.addElement(data.getJSONObject(i).getString("name"));
        } catch (JSONException e) {
            e.printStackTrace();
        }
    }

    final JList catalogs = new JList(dlm);
    catalogs.setDragEnabled(false);
    catalogs.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);

    JScrollPane jsp = new JScrollPane(catalogs, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    jsp.setPreferredSize(new Dimension(396, 200));
    contentPane.add(jsp);

    JPanel mods = new JPanel(new GridLayout(1, 2));
    mods.setPreferredSize(new Dimension(50, 22));
    mods.add(new JButton(new AbstractAction("+") {
        private static final long serialVersionUID = 1L;

        @Override
        public void actionPerformed(ActionEvent e) {
            String name = JOptionPane.showInputDialog(dialog,
                    "Bitte geben Sie den Namen des neuen Katalogs ein.", "Katalog hinzufgen",
                    JOptionPane.PLAIN_MESSAGE);
            if (name != null && name.length() > 0) {
                DefaultListModel dlm = (DefaultListModel) catalogs.getModel();
                for (int i = 0; i < dlm.getSize(); i++) {
                    if (dlm.get(i).toString().equals(name)) {
                        JOptionPane.showMessageDialog(dialog,
                                "Es existert bereits ein Katalog mit diesem Namen!",
                                "Katalog bereits vorhanden!", JOptionPane.ERROR_MESSAGE);
                        actionPerformed(e);
                        return;
                    }
                }

                try {
                    dlm.addElement(name);
                    JSONObject o = new JSONObject();
                    o.put("name", name);
                    o.put("sources", new JSONArray());
                    o.put("tags", new JSONArray());
                    data.put(o);
                    Client.currentClient.sendPacket(new Packet0Catalogs(data));
                } catch (Exception e1) {
                    e1.printStackTrace();
                }
            }
        }
    }));
    mods.add(new JButton(new AbstractAction("-") {
        private static final long serialVersionUID = 1L;

        @Override
        public void actionPerformed(ActionEvent e) {
            if (catalogs.getSelectedIndex() != -1) {
                if (JOptionPane.showConfirmDialog(dialog,
                        "Sind Sie sicher, dass Sie diesen\r\nKatalog unwiderruflich lschen wollen?",
                        "Katalog lschen", JOptionPane.YES_NO_CANCEL_OPTION,
                        JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
                    DefaultListModel dlm = (DefaultListModel) catalogs.getModel();
                    data.remove(catalogs.getSelectedIndex());
                    dlm.remove(catalogs.getSelectedIndex());
                    try {
                        Client.currentClient.sendPacket(new Packet0Catalogs(data));
                    } catch (IOException e1) {
                        e1.printStackTrace();
                    }
                }
            }
        }
    }));

    contentPane.add(mods);

    JLabel l = new JLabel("");
    l.setPreferredSize(new Dimension(396, 14));
    contentPane.add(l);

    JSeparator sep = new JSeparator(JSeparator.HORIZONTAL);
    sep.setPreferredSize(new Dimension(396, 10));
    contentPane.add(sep);

    JPanel buttons = new JPanel(new GridLayout(1, 2));
    buttons.setPreferredSize(new Dimension(396, 22));
    buttons.add(new JButton(new AbstractAction("Abbrechen") {
        private static final long serialVersionUID = 1L;

        @Override
        public void actionPerformed(ActionEvent e) {
            Client.currentClient.disconnect();
            System.exit(0);
        }
    }));
    buttons.add(new JButton(new AbstractAction("Katalog whlen") {
        private static final long serialVersionUID = 1L;

        @Override
        public void actionPerformed(ActionEvent e) {
            if (catalogs.getSelectedIndex() != -1) {
                try {
                    Client.currentClient
                            .setCatalog(new Catalog(data.getJSONObject(catalogs.getSelectedIndex())));
                    Client.currentClient.frame.setTitle("- " + Client.currentClient.getCatalog().getName());
                    dialog.dispose();
                } catch (JSONException e1) {
                    e1.printStackTrace();
                }
            }
        }
    }));

    dialog.add(buttons);

    dialog.setLocationRelativeTo(frame);
    dialog.setResizable(false);
    dialog.setVisible(true);
}

---

From source file:FillViewportHeightDemo.java

public FillViewportHeightDemo() {
    super("Empty Table DnD Demo");

    tableModel = getDefaultTableModel();
    table = new JTable(tableModel);
    table.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
    table.setDropMode(DropMode.INSERT_ROWS);

    table.setTransferHandler(new TransferHandler() {

        public boolean canImport(TransferSupport support) {
            // for the demo, we'll only support drops (not clipboard paste)
            if (!support.isDrop()) {
                return false;
            }//from w w  w  .  j ava  2  s  . c om

            // we only import Strings
            if (!support.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }

            return true;
        }

        public boolean importData(TransferSupport support) {
            // if we can't handle the import, say so
            if (!canImport(support)) {
                return false;
            }

            // fetch the drop location
            JTable.DropLocation dl = (JTable.DropLocation) support.getDropLocation();

            int row = dl.getRow();

            // fetch the data and bail if this fails
            String data;
            try {
                data = (String) support.getTransferable().getTransferData(DataFlavor.stringFlavor);
            } catch (UnsupportedFlavorException e) {
                return false;
            } catch (IOException e) {
                return false;
            }

            String[] rowData = data.split(",");
            tableModel.insertRow(row, rowData);

            Rectangle rect = table.getCellRect(row, 0, false);
            if (rect != null) {
                table.scrollRectToVisible(rect);
            }

            // demo stuff - remove for blog
            model.removeAllElements();
            model.insertElementAt(getNextString(count++), 0);
            // end demo stuff

            return true;
        }
    });

    JList dragFrom = new JList(model);
    dragFrom.setFocusable(false);
    dragFrom.setPrototypeCellValue(getNextString(100));
    model.insertElementAt(getNextString(count++), 0);
    dragFrom.setDragEnabled(true);
    dragFrom.setBorder(BorderFactory.createLoweredBevelBorder());

    dragFrom.addMouseListener(new MouseAdapter() {
        public void mouseClicked(MouseEvent me) {
            if (SwingUtilities.isLeftMouseButton(me) && me.getClickCount() % 2 == 0) {
                String text = (String) model.getElementAt(0);
                String[] rowData = text.split(",");
                tableModel.insertRow(table.getRowCount(), rowData);
                model.removeAllElements();
                model.insertElementAt(getNextString(count++), 0);
            }
        }
    });

    JPanel p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
    JPanel wrap = new JPanel();
    wrap.add(new JLabel("Drag from here:"));
    wrap.add(dragFrom);
    p.add(Box.createHorizontalStrut(4));
    p.add(Box.createGlue());
    p.add(wrap);
    p.add(Box.createGlue());
    p.add(Box.createHorizontalStrut(4));
    getContentPane().add(p, BorderLayout.NORTH);

    JScrollPane sp = new JScrollPane(table);
    getContentPane().add(sp, BorderLayout.CENTER);
    fillBox = new JCheckBoxMenuItem("Fill Viewport Height");
    fillBox.addActionListener(this);

    JMenuBar mb = new JMenuBar();
    JMenu options = new JMenu("Options");
    mb.add(options);
    setJMenuBar(mb);

    JMenuItem clear = new JMenuItem("Reset");
    clear.addActionListener(this);
    options.add(clear);
    options.add(fillBox);

    getContentPane().setPreferredSize(new Dimension(260, 180));
}

---

From source file:LocationSensitiveDemo.java

public LocationSensitiveDemo() {
    super("Location Sensitive Drag and Drop Demo");

    treeModel = getDefaultTreeModel();/*from ww w.j a v  a 2 s  .  c o  m*/
    tree = new JTree(treeModel);
    tree.setBorder(BorderFactory.createEmptyBorder(2, 4, 2, 4));
    tree.getSelectionModel().setSelectionMode(TreeSelectionModel.DISCONTIGUOUS_TREE_SELECTION);
    tree.setDropMode(DropMode.ON);
    namesPath = tree.getPathForRow(2);
    tree.expandRow(2);
    tree.expandRow(1);
    tree.setRowHeight(0);

    tree.setTransferHandler(new TransferHandler() {

        public boolean canImport(TransferHandler.TransferSupport info) {
            // for the demo, we'll only support drops (not clipboard paste)
            if (!info.isDrop()) {
                return false;
            }

            String item = (String) indicateCombo.getSelectedItem();

            if (item.equals("Always")) {
                info.setShowDropLocation(true);
            } else if (item.equals("Never")) {
                info.setShowDropLocation(false);
            }

            // we only import Strings
            if (!info.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                return false;
            }

            // fetch the drop location
            JTree.DropLocation dl = (JTree.DropLocation) info.getDropLocation();

            TreePath path = dl.getPath();

            // we don't support invalid paths or descendants of the names folder
            if (path == null || namesPath.isDescendant(path)) {
                return false;
            }

            return true;
        }

        public boolean importData(TransferHandler.TransferSupport info) {
            // if we can't handle the import, say so
            if (!canImport(info)) {
                return false;
            }

            // fetch the drop location
            JTree.DropLocation dl = (JTree.DropLocation) info.getDropLocation();

            // fetch the path and child index from the drop location
            TreePath path = dl.getPath();
            int childIndex = dl.getChildIndex();

            // fetch the data and bail if this fails
            String data;
            try {
                data = (String) info.getTransferable().getTransferData(DataFlavor.stringFlavor);
            } catch (UnsupportedFlavorException e) {
                return false;
            } catch (IOException e) {
                return false;
            }

            // if child index is -1, the drop was on top of the path, so we'll
            // treat it as inserting at the end of that path's list of children
            if (childIndex == -1) {
                childIndex = tree.getModel().getChildCount(path.getLastPathComponent());
            }

            // create a new node to represent the data and insert it into the model
            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(data);
            DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) path.getLastPathComponent();
            treeModel.insertNodeInto(newNode, parentNode, childIndex);

            // make the new node visible and scroll so that it's visible
            tree.makeVisible(path.pathByAddingChild(newNode));
            tree.scrollRectToVisible(tree.getPathBounds(path.pathByAddingChild(newNode)));

            // demo stuff - remove for blog
            model.removeAllElements();
            model.insertElementAt("String " + (++count), 0);
            // end demo stuff

            return true;
        }
    });

    JList dragFrom = new JList(model);
    dragFrom.setFocusable(false);
    dragFrom.setPrototypeCellValue("String 0123456789");
    model.insertElementAt("String " + count, 0);
    dragFrom.setDragEnabled(true);
    dragFrom.setBorder(BorderFactory.createLoweredBevelBorder());

    JPanel p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
    JPanel wrap = new JPanel();
    wrap.add(new JLabel("Drag from here:"));
    wrap.add(dragFrom);
    p.add(Box.createHorizontalStrut(4));
    p.add(Box.createGlue());
    p.add(wrap);
    p.add(Box.createGlue());
    p.add(Box.createHorizontalStrut(4));
    getContentPane().add(p, BorderLayout.NORTH);

    getContentPane().add(new JScrollPane(tree), BorderLayout.CENTER);
    indicateCombo = new JComboBox(new String[] { "Default", "Always", "Never" });
    indicateCombo.setSelectedItem("INSERT");

    p = new JPanel();
    p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
    wrap = new JPanel();
    wrap.add(new JLabel("Show drop location:"));
    wrap.add(indicateCombo);
    p.add(Box.createHorizontalStrut(4));
    p.add(Box.createGlue());
    p.add(wrap);
    p.add(Box.createGlue());
    p.add(Box.createHorizontalStrut(4));
    getContentPane().add(p, BorderLayout.SOUTH);

    getContentPane().setPreferredSize(new Dimension(400, 450));
}

---

From source file:ExtendedDnDDemo.java

private JPanel createList() {
    DefaultListModel listModel = new DefaultListModel();
    listModel.addElement("List 0");
    listModel.addElement("List 1");
    listModel.addElement("List 2");
    listModel.addElement("List 3");
    listModel.addElement("List 4");
    listModel.addElement("List 5");
    listModel.addElement("List 6");
    listModel.addElement("List 7");
    listModel.addElement("List 8");

    JList list = new JList(listModel);
    list.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
    JScrollPane scrollPane = new JScrollPane(list);
    scrollPane.setPreferredSize(new Dimension(400, 100));

    list.setDragEnabled(true);
    list.setTransferHandler(new ListTransferHandler());

    JPanel panel = new JPanel(new BorderLayout());
    panel.add(scrollPane, BorderLayout.CENTER);
    panel.setBorder(BorderFactory.createTitledBorder("List"));
    return panel;
}

---

From source file:ListCutPaste.java

public ListCutPaste() {
    super(new BorderLayout());
    lh = new ListTransferHandler();

    JPanel panel = new JPanel(new GridLayout(1, 3));
    DefaultListModel list1Model = new DefaultListModel();
    list1Model.addElement("alpha");
    list1Model.addElement("beta");
    list1Model.addElement("gamma");
    list1Model.addElement("delta");
    list1Model.addElement("epsilon");
    list1Model.addElement("zeta");
    JList list1 = new JList(list1Model);
    list1.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane sp1 = new JScrollPane(list1);
    sp1.setPreferredSize(new Dimension(400, 100));
    list1.setDragEnabled(true);
    list1.setTransferHandler(lh);//from   ww w  .j  a  v  a 2 s .c  o m
    list1.setDropMode(DropMode.ON_OR_INSERT);
    setMappings(list1);
    JPanel pan1 = new JPanel(new BorderLayout());
    pan1.add(sp1, BorderLayout.CENTER);
    pan1.setBorder(BorderFactory.createTitledBorder("Greek Alphabet"));
    panel.add(pan1);

    DefaultListModel list2Model = new DefaultListModel();
    list2Model.addElement("uma");
    list2Model.addElement("dois");
    list2Model.addElement("tres");
    list2Model.addElement("quatro");
    list2Model.addElement("cinco");
    list2Model.addElement("seis");
    JList list2 = new JList(list2Model);
    list2.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list2.setDragEnabled(true);
    JScrollPane sp2 = new JScrollPane(list2);
    sp2.setPreferredSize(new Dimension(400, 100));
    list2.setTransferHandler(lh);
    list2.setDropMode(DropMode.INSERT);
    setMappings(list2);
    JPanel pan2 = new JPanel(new BorderLayout());
    pan2.add(sp2, BorderLayout.CENTER);
    pan2.setBorder(BorderFactory.createTitledBorder("Portuguese Numbers"));
    panel.add(pan2);

    DefaultListModel list3Model = new DefaultListModel();
    list3Model.addElement("adeen");
    list3Model.addElement("dva");
    list3Model.addElement("tri");
    list3Model.addElement("chyetirye");
    list3Model.addElement("pyat");
    list3Model.addElement("shest");
    JList list3 = new JList(list3Model);
    list3.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    list3.setDragEnabled(true);
    JScrollPane sp3 = new JScrollPane(list3);
    sp3.setPreferredSize(new Dimension(400, 100));
    list3.setTransferHandler(lh);
    list3.setDropMode(DropMode.ON);
    setMappings(list3);
    JPanel pan3 = new JPanel(new BorderLayout());
    pan3.add(sp3, BorderLayout.CENTER);
    pan3.setBorder(BorderFactory.createTitledBorder("Russian Numbers"));
    panel.add(pan3);

    setPreferredSize(new Dimension(500, 200));
    add(panel, BorderLayout.CENTER);
}

---

From source file:DragListDemo.java

public DragListDemo() {
    arrayListHandler = new ArrayListTransferHandler();
    JList list1, list2;

    DefaultListModel list1Model = new DefaultListModel();
    list1Model.addElement("0 (list 1)");
    list1Model.addElement("1 (list 1)");
    list1Model.addElement("2 (list 1)");
    list1Model.addElement("3 (list 1)");
    list1Model.addElement("4 (list 1)");
    list1Model.addElement("5 (list 1)");
    list1Model.addElement("6 (list 1)");
    list1 = new JList(list1Model);
    list1.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
    list1.setTransferHandler(arrayListHandler);
    list1.setDragEnabled(true);
    JScrollPane list1View = new JScrollPane(list1);
    list1View.setPreferredSize(new Dimension(200, 100));
    JPanel panel1 = new JPanel();
    panel1.setLayout(new BorderLayout());
    panel1.add(list1View, BorderLayout.CENTER);
    panel1.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    DefaultListModel list2Model = new DefaultListModel();
    list2Model.addElement("0 (list 2)");
    list2Model.addElement("1 (list 2)");
    list2Model.addElement("2 (list 2)");
    list2Model.addElement("3 (list 2)");
    list2Model.addElement("4 (list 2)");
    list2Model.addElement("5 (list 2)");
    list2Model.addElement("6 (list 2)");
    list2 = new JList(list2Model);
    list2.setSelectionMode(ListSelectionModel.SINGLE_INTERVAL_SELECTION);
    list2.setTransferHandler(arrayListHandler);
    list2.setDragEnabled(true);/*from  w  w w . ja v a2  s  . c  om*/
    JScrollPane list2View = new JScrollPane(list2);
    list2View.setPreferredSize(new Dimension(200, 100));
    JPanel panel2 = new JPanel();
    panel2.setLayout(new BorderLayout());
    panel2.add(list2View, BorderLayout.CENTER);
    panel2.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

    setLayout(new BorderLayout());
    add(panel1, BorderLayout.LINE_START);
    add(panel2, BorderLayout.LINE_END);
    setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
}

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