Finding Items : Combo « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. Combo

Search a combo's list from the given index until an item is found. If no such item is found, -1 is returned.

public int indexOf(String text, int startIndex)

The indexOf method starts the search from 0:

public int indexOf(String text)

which is equivalent to

indexOf(text, 0);

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

public class ComboFindingItem {

  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());

    String[] ITEMS = { "A", "B", "C", "D" };

    final Combo combo = new Combo(shell, SWT.DROP_DOWN);
    combo.setItems(ITEMS);

    System.out.println(combo.indexOf("B"));
    
    combo.addSelectionListener(new SelectionListener() {
      public void widgetSelected(SelectionEvent e) {
        System.out.println(combo.getText());
      }

      public void widgetDefaultSelected(SelectionEvent e) {
        System.out.println(combo.getText());
      }
    });

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

17.11.Combo
	17.11.1.	Introducing Combo
	17.11.2.	Create a dropdown Combo
	17.11.3.	Create a read-only (non-editable) Combo
	17.11.4.	Create a 'simple' Combo
	17.11.5.	Getting selected item index from Combo
	17.11.6.	Retrieve the content text of the text field of a combo
	17.11.7.	Programmatically select an item from the list
	17.11.8.	Deselect an item
	17.11.9.	Getting Items
	17.11.10.	Setting Items
	17.11.11.	Finding Items
	17.11.12.	Adding Items
	17.11.13.	Add method appends an item to the end of the list
	17.11.14.	Removing Items
	17.11.15.	To remove multiple items
	17.11.16.	Removes the first found item with given text
	17.11.17.	Creating a Combo with Sorted List