Using the clipboard : Clip Board « Development Class « Java

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Java » Development Class » Clip BoardScreenshots 
Using the clipboard
Using the clipboard
 
// : c14:CutAndPaste.java
// Using the clipboard.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;

public class CutAndPaste extends JFrame {
  private JMenuBar mb = new JMenuBar();

  private JMenu edit = new JMenu("Edit");

  private JMenuItem cut = new JMenuItem("Cut"), copy = new JMenuItem("Copy"),
      paste = new JMenuItem("Paste");

  private JTextArea text = new JTextArea(2020);

  private 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);
    setJMenuBar(mb);
    getContentPane().add(text);
  }

  class CopyL implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      String selection = text.getSelectedText();
      if (selection == null)
        return;
      StringSelection clipString = new StringSelection(selection);
      clipbd.setContents(clipString, clipString);
    }
  }

  class CutL implements ActionListener {
    public void actionPerformed(ActionEvent e) {
      String selection = text.getSelectedText();
      if (selection == null)
        return;
      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 = (StringclipData
            .getTransferData(DataFlavor.stringFlavor);
        text.replaceRange(clipString, text.getSelectionStart(), text
            .getSelectionEnd());
      catch (Exception ex) {
        System.err.println("Not String flavor");
      }
    }
  }

  public static void main(String[] args) {
    run(new CutAndPaste()300200);
  }

  public static void run(JFrame frame, int width, int height) {
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setSize(width, height);
    frame.setVisible(true);
  }
///:~



           
         
  
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2.Sending Image Objects through the ClipboardSending Image Objects through the Clipboard
3.Placing text on the computer clipboard
4.Getting data from the computer clipboard
5.Get string value from clipboard
6.Write a string to the system clipboard
7.Getting and Setting an Image on the System Clipboard
8.Setting an image on the clipboard with a custom Transferable object to hold the image
9.Determining When an Item Is No Longer on the System Clipboard
10.implements ClipboardOwner
11.Copying data to system clipboard
12.Taken from the Sun documentation on Clipboard APITaken from the Sun documentation on Clipboard API
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