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Java Source | 2000-05-25 | 4.5 KB | 122 lines |
- //: 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);
- }
- } ///:~