/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package dnd;/** * ListCutPaste.java requires the following files: *     ListTransferHandler.java *     TransferActionListener.java */import java.io.*;import java.awt.*;import java.awt.event.*;import java.awt.datatransfer.*;import java.awt.dnd.*;import javax.swing.*;/** * The ListCutPaste example illustrates cut, copy, paste * and drag and drop using three instances of JList. * The TransferActionListener class listens for one of * the CCP actions and, when one occurs, forwards the * action to the component which currently has the focus. */public class ListCutPaste extends JPanel {    ListTransferHandler lh;    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);        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);    }    /**     * Create an Edit menu to support cut/copy/paste.     */    public JMenuBar createMenuBar() {        JMenuItem menuItem = null;        JMenuBar menuBar = new JMenuBar();        JMenu mainMenu = new JMenu("Edit");        mainMenu.setMnemonic(KeyEvent.VK_E);        TransferActionListener actionListener = new TransferActionListener();        menuItem = new JMenuItem("Cut");        menuItem.setActionCommand((String)TransferHandler.getCutAction().                 getValue(Action.NAME));        menuItem.addActionListener(actionListener);        menuItem.setAccelerator(          KeyStroke.getKeyStroke(KeyEvent.VK_X, ActionEvent.CTRL_MASK));        menuItem.setMnemonic(KeyEvent.VK_T);        mainMenu.add(menuItem);                menuItem = new JMenuItem("Copy");        menuItem.setActionCommand((String)TransferHandler.getCopyAction().                 getValue(Action.NAME));        menuItem.addActionListener(actionListener);        menuItem.setAccelerator(          KeyStroke.getKeyStroke(KeyEvent.VK_C, ActionEvent.CTRL_MASK));        menuItem.setMnemonic(KeyEvent.VK_C);        mainMenu.add(menuItem);                menuItem = new JMenuItem("Paste");        menuItem.setActionCommand((String)TransferHandler.getPasteAction().                 getValue(Action.NAME));        menuItem.addActionListener(actionListener);        menuItem.setAccelerator(          KeyStroke.getKeyStroke(KeyEvent.VK_V, ActionEvent.CTRL_MASK));        menuItem.setMnemonic(KeyEvent.VK_P);        mainMenu.add(menuItem);        menuBar.add(mainMenu);        return menuBar;    }        /**     * Add the cut/copy/paste actions to the action map.     */    private void setMappings(JList list) {        ActionMap map = list.getActionMap();        map.put(TransferHandler.getCutAction().getValue(Action.NAME),                TransferHandler.getCutAction());        map.put(TransferHandler.getCopyAction().getValue(Action.NAME),                TransferHandler.getCopyAction());        map.put(TransferHandler.getPasteAction().getValue(Action.NAME),                TransferHandler.getPasteAction());    }    /**     * Create the GUI and show it.  For thread safety,     * this method should be invoked from the     * event-dispatching thread.     */    private static void createAndShowGUI() {        //Create and set up the window.        JFrame frame = new JFrame("ListCutPaste");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Create and set up the menu bar and content pane.        ListCutPaste demo = new ListCutPaste();        frame.setJMenuBar(demo.createMenuBar());        demo.setOpaque(true); //content panes must be opaque        frame.setContentPane(demo);        //Display the window.        frame.pack();        frame.setVisible(true);    }    public static void main(String[] args) {                   //Schedule a job for the event-dispatching thread:        //creating and showing this application's GUI.        javax.swing.SwingUtilities.invokeLater(new Runnable() {            public void run() {                //Turn off metal's use of bold fonts                UIManager.put("swing.boldMetal", Boolean.FALSE);                createAndShowGUI();            }        });    }}