/* * 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;/** * TextCutPaste.java requires the following file: *     TextTransferHandler.java */ import java.io.*;import java.awt.*;import java.awt.event.*;import java.awt.datatransfer.*;import java.awt.dnd.*;import javax.swing.*;import javax.swing.text.*;/** * Example code that shows a text component that supports both * cut, copy and paste (using the DefaultEditorKit's built-in * actions) and drag and drop. */public class TextCutPaste extends JPanel {    TextTransferHandler th;        public TextCutPaste() {        super(new BorderLayout());        setBorder(BorderFactory.createEmptyBorder(20,20,20,20));        //Create the transfer handler.        TextTransferHandler th = new TextTransferHandler();                //Create some text fields.        JPanel buttonPanel = new JPanel(new GridLayout(3, 1));        JTextField textField = new JTextField("Cut, copy and paste...", 30);        textField.setTransferHandler(th);        textField.setDragEnabled(true);        buttonPanel.add(textField);        textField = new JTextField("or drag and drop...", 30);        textField.setTransferHandler(th);        textField.setDragEnabled(true);        buttonPanel.add(textField);        textField = new JTextField("from any of these text fields.", 30);        textField.setTransferHandler(th);        textField.setDragEnabled(true);        buttonPanel.add(textField);        add(buttonPanel, 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);        menuItem = new JMenuItem(new DefaultEditorKit.CutAction());        menuItem.setText("Cut");        menuItem.setMnemonic(KeyEvent.VK_T);        mainMenu.add(menuItem);        menuItem = new JMenuItem(new DefaultEditorKit.CopyAction());        menuItem.setText("Copy");        menuItem.setMnemonic(KeyEvent.VK_C);        mainMenu.add(menuItem);        menuItem = new JMenuItem(new DefaultEditorKit.PasteAction());        menuItem.setText("Paste");        menuItem.setMnemonic(KeyEvent.VK_P);        mainMenu.add(menuItem);        menuBar.add(mainMenu);        return menuBar;    }    /**     * 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("TextCutPaste");        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //Create and set up the menu bar and content pane.        TextCutPaste demo = new TextCutPaste();        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();            }        });    }}