Source Code : Formatted Text

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Formatted Text

/******************************************************************************
 * All Right Reserved. 
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * 
 * Created on Mar 16, 2004 7:20:52 PM by JACK
 * $Id$
 * 
 *****************************************************************************/



import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ColorDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FontDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

public class FormattedText {
  Display display = new Display();
  Shell shell = new Shell(display);
  
  // the label used to display the text.
  Label label;
  
  Button buttonColor;
  Button buttonFont;
  
  // current selected color.
  Color color;
  // current selected font.
  Font font;

  public FormattedText() {
    label = new Label(shell, SWT.BORDER | SWT.WRAP);
    label.setBackground(display.getSystemColor(SWT.COLOR_WHITE));
    label.setText("Java UI Programming with SWT/JFace");
    
    buttonColor = new Button(shell, SWT.PUSH);
    buttonColor.setText("Change color");
    buttonColor.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        ColorDialog colorDialog = new ColorDialog(shell);
        if(color != null)
          colorDialog.setRGB(color.getRGB());
        RGB value = colorDialog.open();
        if(value != null) {
          if(color != null)
            color.dispose();
          color = new Color(display, value);
          label.setForeground(color);
        }else{
          System.out.println("Setting foreground color action canceled.");
        }
      }
    });
    
    buttonFont = new Button(shell, SWT.PUSH);
    buttonFont.setText("Change font");
    buttonFont.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event event) {
        FontDialog fontDialog = new FontDialog(shell);
        if(font != null)
          fontDialog.setFontList(font.getFontData());
        FontData fontData = fontDialog.open();
        if(fontData != null) {
          if(font != null)
            font.dispose();
          font = new Font(display, fontData);
          label.setFont(font);
        }else{
          System.out.println("Setting font action canceled.");
        }
      }
    });
    
    label.setBounds(0, 0, 300, 120);
    buttonColor.setBounds(50, 130, 90, 25);
    buttonFont.setBounds(160, 130, 90, 25);

    shell.setSize(300, 190);
    shell.open();
    //textUser.forceFocus();

    // Set up the event loop.
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        // If no more entries in event queue
        display.sleep();
      }
    }

    display.dispose();
  }

  private void init() {

  }

  public static void main(String[] args) {
    new FormattedText();
  }
}


           
       

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