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(2, false));
(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() == -1 ? "<null>" : combo.getItem(combo.getSelectionIndex())) + ", text content in the text field: " + combo.getText());
String text = combo.getText();
if(combo.indexOf(text) < 0) { // 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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