List: addSelectionListener(SelectionListener lis) : List « org.eclipse.swt.widgets « Java by API






List: addSelectionListener(SelectionListener lis)


import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class MainClass {

  public static void main(String[] a) {
    Display display = new Display();
    final Shell shell = new Shell(display);

    final List list = new List(shell, SWT.BORDER | SWT.MULTI | SWT.V_SCROLL);
    list.setBounds(40, 20, 220, 100);
    for (int loopIndex = 0; loopIndex < 9; loopIndex++) {
      list.add("Item Number " + loopIndex);
    }

    final Text text = new Text(shell, SWT.BORDER);
    text.setBounds(60, 130, 160, 25);

    list.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent event) {
        int[] selectedItems = list.getSelectionIndices();
        String outString = "";
        for (int loopIndex = 0; loopIndex < selectedItems.length; loopIndex++)
          outString += selectedItems[loopIndex] + " ";
        text.setText("Selected Items: " + outString);
      }

      public void widgetDefaultSelected(SelectionEvent event) {
        int[] selectedItems = list.getSelectionIndices();
        String outString = "";
        for (int loopIndex = 0; loopIndex < selectedItems.length; loopIndex++)
          outString += selectedItems[loopIndex] + " ";
        System.out.println("Selected Items: " + outString);
      }
    });

    shell.open();

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }

}
           
       








Related examples in the same category

1.new List(Shell s, SWT.MULTI | SWT.BORDER)
2.new List(Shell s, SWT.SINGLE | SWT.BORDER)
3.List: add(String value)
4.List: getSelection()
5.List: getVerticalBar()
6.List: removeAll()
7.List: select(int index)
8.List: setItems(String[] values)
9.List: showSelection()