Internationalized Graphical User Interfaces: unicode cut and paste : Code Unicode « Development Class « Java

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3. Code Unicode

Internationalized Graphical User Interfaces: unicode cut and paste

     

/*
Java Internationalization
By Andy Deitsch, David Czarnecki

ISBN: 0-596-00019-7
O'Reilly
*/
/*import java.io.*;
import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import javax.swing.*;

public class CutAndPasteDemo extends JFrame implements ClipboardOwner {

  private static String TEMPFILE = "CUTPASTE.TMP";

  String davidMessage = "David says, \"\u05E9\u05DC\u05D5\u05DD \u05E2\u05D5\u05DC\u05DD\" \n";
  String andyMessage = "Andy also says, \"\u05E9\u05DC\u05D5\u05DD \u05E2\u05D5\u05DC\u05DD\"";

  private Clipboard clipboard;

  public void lostOwnership(Clipboard clipboard, Transferable contents) {
    System.out.println("Lost clipboard ownership");
  }

  JTextArea textArea1;
  JTextArea textArea2;

  public CutAndPasteDemo() {
    super("Cut And Paste Demonstration");

    clipboard = getToolkit().getSystemClipboard();

    GraphicsEnvironment.getLocalGraphicsEnvironment();
    Font font = new Font("LucidaSans", Font.PLAIN, 15);
    textArea1 = new JTextArea(davidMessage + andyMessage, 5, 25);
    textArea2 = new JTextArea("<Paste text here>", 5, 25);
    textArea1.setFont(font);
    textArea2.setFont(font);

    JPanel jPanel = new JPanel();
    JMenuBar jMenuBar = new JMenuBar();
    JMenuItem cutItem = new JMenuItem("Cut");
    JMenuItem pasteItem = new JMenuItem("Paste");
    JMenu jMenu = new JMenu("Edit");
    jMenu.add(cutItem);
    jMenu.add(pasteItem);

    cutItem.addActionListener(new CutActionListener());
    pasteItem.addActionListener(new PasteActionListener());

    jMenuBar.add(jMenu);
    jPanel.add(jMenuBar);

    jPanel.setLayout(new BoxLayout(jPanel,BoxLayout.Y_AXIS));
    jPanel.add(textArea1);
    jPanel.add(Box.createRigidArea(new Dimension(0,10)));
    jPanel.add(textArea2);

    getContentPane().add(jPanel, BorderLayout.CENTER);
  }

  class CutActionListener implements ActionListener {

    public void actionPerformed (ActionEvent event) {
      try {
        if (textArea1.getSelectedText() != null) {
          BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(TEMPFILE), "UTF8"));
          bw.write(textArea1.getSelectedText());
          bw.close();
          textArea1.replaceSelection("");
        }
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

  class PasteActionListener implements ActionListener {

    public void actionPerformed (ActionEvent event) {
      try {
        BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(TEMPFILE), "UTF8"));
        StringBuffer text = new StringBuffer();
        String tempString;
        while ((tempString = br.readLine()) != null) {
          text.append(tempString);
        }
        br.close();
        textArea2.replaceSelection(text.toString());
      } catch (Exception e) {
      }
    }
  }

  public static void main(String[] args) {
    JFrame frame = new CutAndPasteDemo();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {System.exit(0);}
    });

    frame.pack();
    frame.setVisible(true);
  }
}
*/

import java.io.*;
import java.awt.*;
import java.awt.datatransfer.*;
import java.awt.event.*;
import javax.swing.*;

public class CutAndPasteDemo extends JFrame implements ClipboardOwner {

  private static String TEMPFILE = "CUTPASTE.TMP";

  String davidMessage = "David says, \"\u05E9\u05DC\u05D5\u05DD" +
      "\u05E2\u05D5\u05DC\u05DD\" \n";
  String andyMessage = "Andy also says, \"\u05E9\u05DC\u05D5\u05DD" +
      "\u05E2\u05D5\u05DC\u05DD\"";

  private Clipboard clipboard;

  public void lostOwnership(Clipboard clipboard, Transferable contents) {
    System.out.println("Lost clipboard ownership");
  }

  JTextArea textArea1;
  JTextArea textArea2;

  public CutAndPasteDemo() {
    super("Cut And Paste Demonstration");

    clipboard = getToolkit().getSystemClipboard();

    GraphicsEnvironment.getLocalGraphicsEnvironment();
    Font font = new Font("LucidaSans", Font.PLAIN, 15);
    textArea1 = new JTextArea(davidMessage + andyMessage, 5, 25);
    textArea2 = new JTextArea("<Paste text here>", 5, 25);
    textArea1.setFont(font);
    textArea2.setFont(font);

    JPanel jPanel = new JPanel();
    JMenuBar jMenuBar = new JMenuBar();
    JMenuItem cutItem = new JMenuItem("Cut");
    JMenuItem pasteItem = new JMenuItem("Paste");
    JMenu jMenu = new JMenu("Edit");
    jMenu.add(cutItem);
    jMenu.add(pasteItem);

    cutItem.addActionListener(new CutActionListener());
    pasteItem.addActionListener(new PasteActionListener());

    jMenuBar.add(jMenu);
    jPanel.add(jMenuBar);

    jPanel.setLayout(new BoxLayout(jPanel,BoxLayout.Y_AXIS));
    jPanel.add(textArea1);
    jPanel.add(Box.createRigidArea(new Dimension(0,10)));
    jPanel.add(textArea2);

    getContentPane().add(jPanel, BorderLayout.CENTER);
  }

  class CutActionListener implements ActionListener {

    public void actionPerformed (ActionEvent event) {
      try {
        if (textArea1.getSelectedText() != null) {
          BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(new
              FileOutputStream(TEMPFILE), "UTF8"));
          bw.write(textArea1.getSelectedText());
          bw.close();
          textArea1.replaceSelection("");
        }
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

  class PasteActionListener implements ActionListener {

    public void actionPerformed (ActionEvent event) {
      try {
        BufferedReader br = new BufferedReader(new InputStreamReader(new
            FileInputStream(TEMPFILE), "UTF8"));
        StringBuffer text = new StringBuffer();
        String tempString;
        while ((tempString = br.readLine()) != null) {
          text.append(tempString);
        }
        br.close();
        textArea2.replaceSelection(text.toString());
      } catch (Exception e) {
      }
    }
  }

  public static void main(String[] args) {
    JFrame frame = new CutAndPasteDemo();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {System.exit(0);}
    });

    frame.pack();
    frame.setVisible(true);
  }
}



           
         
    
    
    
    
  

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