/* * Copyright 2002 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. * * -Redistribution 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, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY * DAMAGES OR LIABILITIES SUFFERED BY LICENSEE AS A RESULT OF OR * RELATING TO USE, MODIFICATION OR DISTRIBUTION OF THE SOFTWARE OR * ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE * FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, * SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF * THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN * ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or * intended for use in the design, construction, operation or * maintenance of any nuclear facility. */ // Implemented under 1.4. import java.awt.*; import java.awt.event.*; import javax.swing.*; // This example demonstrates adding drag and drop (DnD) // support to a JLabel. public class JLabelDragNDrop { JFrame aFrame; JPanel aPanel; JTextField tf; JLabel tl; // Constructor public JLabelDragNDrop() { // Create the frame and container. aFrame = new JFrame("JLabel Drag and Drop Demo"); aFrame.setSize(100, 10); aPanel = new JPanel(); aPanel.setLayout(new GridLayout(2, 2)); // Add the widgets. addWidgets(); // Add the panel to the frame. aFrame.getContentPane().add(aPanel, BorderLayout.CENTER); // Exit when the window is closed. aFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Show the panel. aFrame.pack(); aFrame.setVisible(true); } // Create and add the widgets to the panel. private void addWidgets() { // Create widgets. tf = new JTextField(100); tf.setDragEnabled(true); tl = new JLabel("Drop Here", SwingConstants.LEFT); tl.setTransferHandler(new TransferHandler("text")); MouseListener ml = new MouseAdapter() { public void mousePressed(MouseEvent e) { JComponent c = (JComponent)e.getSource(); TransferHandler th = c.getTransferHandler(); th.exportAsDrag(c, e, TransferHandler.COPY); } }; tl.addMouseListener(ml); // Add widgets to container. aPanel.add(tf); aPanel.add(tl); tl.setBorder(BorderFactory.createEmptyBorder(5,5,5,5)); } // main method public static void main(String[] args) { // Set the look and feel. try { UIManager.setLookAndFeel( UIManager.getCrossPlatformLookAndFeelClassName()); } catch(Exception e) {} JLabelDragNDrop example = new JLabelDragNDrop(); } }