Sample Combo : Combo « SWT JFace Eclipse « Java

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Java » SWT JFace Eclipse » ComboScreenshots 
Sample Combo
Sample Combo


/******************************************************************************
 * Copyright (c) 1998, 2004 Jackwind Li Guojie
 * All right reserved. 
 
 * Created on Feb 8, 2004 9:25:39 AM by JACK
 * $Id$
 
 * visit: http://www.asprise.com/swt
 *****************************************************************************/



import java.util.Arrays;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;

public class SampleCombo {
  Display display = new Display();
  Shell shell = new Shell(display);

  public SampleCombo() {
    init();
    
    shell.setLayout(new GridLayout(2false));
    
    (new Label(shell, SWT.NULL)).setText("Select your favorite programming language: ");
    
    //final CCombo combo = new CCombo(shell, SWT.FLAT);
    final Combo combo = new Combo(shell, SWT.NULL);
    
    String[] languages = new String[]{"Java""C""C++""SmallTalk"};
    
    Arrays.sort(languages);
    
    for(int i=0; i<languages.length; i++)
      combo.add(languages[i]);
    
    //combo.add("Perl", 5);
    //combo.setItem(5, "Perl");
    
    combo.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println("Selected index: " + combo.getSelectionIndex() ", selected item: " + combo.getItem(combo.getSelectionIndex()) ", text content in the text field: " + combo.getText());
      }

      public void widgetDefaultSelected(SelectionEvent e) {
        System.out.println("Default selected index: " + combo.getSelectionIndex() ", selected item: " (combo.getSelectionIndex() == -"<null>" : combo.getItem(combo.getSelectionIndex())) ", text content in the text field: " + combo.getText());
        String text = combo.getText();
        if(combo.indexOf(text0) { // Not in the list yet. 
          combo.add(text);
          // Re-sort
          String[] items = combo.getItems();
          Arrays.sort(items);
          combo.setItems(items);
        }
      }
    });

    shell.pack();
    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 SampleCombo();
  }
}


           
       
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