public static void main(String args[]) {
JFrame frame = new JFrame("Drag Image");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container contentPane = frame.getContentPane();
final Clipboard clipboard = frame.getToolkit().getSystemClipboard();
final JLabel label = new JLabel();
// Icon icon = new ImageIcon("/home/j2ee/Desktop/war.103.gif");
// label.setIcon(icon);
label.setTransferHandler(new ImageSelection());
MouseListener mouseListener =
new MouseAdapter() {
public void mousePressed(MouseEvent e) {
JComponent comp = (JComponent) e.getSource();
TransferHandler handler = comp.getTransferHandler();
handler.exportAsDrag(comp, e, TransferHandler.COPY);
}
};
label.addMouseListener(mouseListener);
JScrollPane pane = new JScrollPane(label);
contentPane.add(pane, BorderLayout.CENTER);
JButton copy = new JButton("Copy");
copy.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent e) {
// fire TransferHandler's built-in copy
// action with a new actionEvent having
// "label" as the source
Action copyAction = TransferHandler.getCopyAction();
copyAction.actionPerformed(
new ActionEvent(
label,
ActionEvent.ACTION_PERFORMED,
(String) copyAction.getValue(Action.NAME),
EventQueue.getMostRecentEventTime(),
0));
}
});
JButton clear = new JButton("Clear");
clear.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
label.setIcon(null);
}
});
JButton paste = new JButton("Paste");
paste.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
// use TransferHandler's built-in
// paste action
Action pasteAction = TransferHandler.getPasteAction();
pasteAction.actionPerformed(
new ActionEvent(
label,
ActionEvent.ACTION_PERFORMED,
(String) pasteAction.getValue(Action.NAME),
EventQueue.getMostRecentEventTime(),
0));
}
});
JPanel p = new JPanel();
p.add(copy);
p.add(clear);
p.add(paste);
contentPane.add(p, BorderLayout.SOUTH);
frame.setSize(300, 300);
frame.show();
}
