//: CutAndPaste.java
//////////////////////////////////////////////////
// Copyright (c) Bruce Eckel, 1998
// Source code file from the book "Thinking in Java"
// All rights reserved EXCEPT as allowed by the
// following statements: You can freely use this file
// for your own work (personal or commercial),
// including modifications and distribution in
// executable form only. Permission is granted to use
// this file in classroom situations, including its
// use in presentation materials, as long as the book
// "Thinking in Java" is cited as the source.
// Except in classroom situations, you cannot copy
// and distribute this code; instead, the sole
// distribution point is http://www.BruceEckel.com
// (and official mirror sites) where it is
// freely available. You cannot remove this
// copyright and notice. You cannot distribute
// modified versions of the source code in this
// package. You cannot use this file in printed
// media without the express permission of the
// author. Bruce Eckel makes no representation about
// the suitability of this software for any purpose.
// It is provided "as is" without express or implied
// warranty of any kind, including any implied
// warranty of merchantability, fitness for a
// particular purpose or non-infringement. The entire
// risk as to the quality and performance of the
// software is with you. Bruce Eckel and the
// publisher shall not be liable for any damages
// suffered by you or any third party as a result of
// using or distributing software. In no event will
// Bruce Eckel or the publisher 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 Bruce Eckel
// and the publisher have been advised of the
// possibility of such damages. Should the software
// prove defective, you assume the cost of all
// necessary servicing, repair, or correction. If you
// think you've found an error, please email all
// modified files with clearly commented changes to:
// Bruce@EckelObjects.com. (Please use the same
// address for non-code errors found in the book.)
/////////////////////////////////////////////////
// Using the clipboard from Java 1.1
import java.awt.*;
import java.awt.event.*;
import java.awt.datatransfer.*;
public class CutAndPaste extends Frame {
MenuBar mb = new MenuBar();
Menu edit = new Menu("Edit");
MenuItem
cut = new MenuItem("Cut"),
copy = new MenuItem("Copy"),
paste = new MenuItem("Paste");
TextArea text = new TextArea(20,20);
Clipboard clipbd =
getToolkit().getSystemClipboard();
public CutAndPaste() {
cut.addActionListener(new CutL());
copy.addActionListener(new CopyL());
paste.addActionListener(new PasteL());
edit.add(cut);
edit.add(copy);
edit.add(paste);
mb.add(edit);
setMenuBar(mb);
add(text, BorderLayout.CENTER);
}
class CopyL implements ActionListener {
public void actionPerformed(ActionEvent e) {
String selection = text.getSelectedText();
StringSelection clipString =
new StringSelection(selection);
clipbd.setContents(clipString, clipString);
}
}
class CutL implements ActionListener {
public void actionPerformed(ActionEvent e) {
String selection = text.getSelectedText();
StringSelection clipString =
new StringSelection(selection);
clipbd.setContents(clipString, clipString);
text.replaceRange("",
text.getSelectionStart(),
text.getSelectionEnd());
}
}
class PasteL implements ActionListener {
public void actionPerformed(ActionEvent e) {
Transferable clipData =
clipbd.getContents(CutAndPaste.this);
try {
String clipString =
(String)clipData.
getTransferData(
DataFlavor.stringFlavor);
text.replaceRange(clipString,
text.getSelectionStart(),
text.getSelectionEnd());
} catch(Exception ex) {
System.out.println("not String flavor");
}
}
}
public static void main(String[] args) {
CutAndPaste cp = new CutAndPaste();
cp.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
cp.setSize(300,200);
cp.setVisible(true);
}
} ///:~ |