Java Tutorial/SWT/List Event

Add List selection Listener

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.List; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; public class ListSelectionListenerAdd {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
   for (int i = 0; i < 128; i++) {
     list.add("Item " + i);
   }
   list.setBounds(0, 0, 100, 100);
   list.addListener(SWT.Selection, new Listener() {
     public void handleEvent(Event e) {
       String string = "";
       int[] selection = list.getSelectionIndices();
       for (int i = 0; i < selection.length; i++) {
         string += selection[i] + " ";
       }
       System.out.println("Selection={" + string + "}");
     }
   });
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}</source>

List Default Selection Listener

   <source lang="java">

import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.List; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; public class ListDefaultSelectionListener {

 public static void main(String[] args) {
   Display display = new Display();
   Shell shell = new Shell(display);
   final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
   for (int i = 0; i < 128; i++) {
     list.add("Item " + i);
   }
   list.setBounds(0, 0, 100, 100);
   list.addListener(SWT.DefaultSelection, new Listener() {
     public void handleEvent(Event e) {
       String string = "";
       int[] selection = list.getSelectionIndices();
       for (int i = 0; i < selection.length; i++)
         string += selection[i] + " ";
       System.out.println("DefaultSelection={" + string + "}");
     }
   });
   shell.pack();
   shell.open();
   while (!shell.isDisposed()) {
     if (!display.readAndDispatch())
       display.sleep();
   }
   display.dispose();
 }

}</source>