cda/plugins/org.eclipse.mdht.cda.xml.ui/src/org/eclipse/mdht/cda/xml/SWTComboExample.java

/*******************************************************************************
 * Copyright (c) 2020 seanmuir.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     seanmuir - initial API and implementation
 *
 *******************************************************************************/
package org.eclipse.mdht.cda.xml;

import java.util.Arrays;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class SWTComboExample {
	Display d;

	Shell s;

	SWTComboExample() {
		d = new Display();
		s = new Shell(d);
		s.setSize(250, 250);
		s.setText("A Combo Example");
		final CCombo c = new CCombo(s, SWT.READ_ONLY);
		c.setBounds(50, 50, 150, 65);
		c.setEditable(true);
		String items[] = { "aaItem One", "Item Two", "Item Three", "Item Four", "Item Five" };
		c.setItems(items);

		// ControlListener new ControlListener () {} ;

		// ModifyListener new ModifyListener () {};
		// c.addModifyListener(new ModifyListener() {
		//
		// @Override
		// public void modifyText(ModifyEvent arg0) {
		// // TODO Auto-generated method stub
		// System.out.println(arg0.toString());
		//
		// }
		// });

		c.addKeyListener(new KeyListener() {

			@Override
			public void keyPressed(KeyEvent arg0) {
				System.out.println(arg0.toString());
			}

			@Override
			public void keyReleased(KeyEvent arg0) {

				if (arg0.keyCode == 0xd) {
					System.out.println(arg0.toString());

					System.out.println(c.getText());

					boolean result = Arrays.stream(c.getItems()).anyMatch(c.getText()::equals);
					if (!result) {
						c.add(c.getText());
						c.select(c.getItemCount());
					}
				}

			}
		});

		s.open();
		while (!s.isDisposed()) {
			if (!d.readAndDispatch())
				d.sleep();
		}
		d.dispose();
	}

	public static void main(String[] argv) {
		new SWTComboExample();
	}
}