ComboSortList.java Source code

Introduction

Here is the source code for ComboSortList.java

Source

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.FillLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class ComboSortList {

    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", "E", "F" };
        Arrays.sort(ITEMS);
        final Combo combo = new Combo(shell, SWT.DROP_DOWN);
        combo.setItems(ITEMS);

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