org.datacleaner.widgets.properties.SingleEnumPropertyWidget Maven / Gradle / Ivy

Go to download
/**
 * DataCleaner (community edition)
 * Copyright (C) 2014 Neopost - Customer Information Management
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.datacleaner.widgets.properties;

import javax.inject.Inject;

import org.datacleaner.descriptors.ConfiguredPropertyDescriptor;
import org.datacleaner.job.builder.ComponentBuilder;
import org.datacleaner.widgets.DCComboBox;
import org.datacleaner.widgets.DCComboBox.Listener;
import org.datacleaner.widgets.EnumComboBoxListRenderer;
import org.apache.metamodel.util.CollectionUtils;

public final class SingleEnumPropertyWidget extends AbstractPropertyWidget> {

	private final DCComboBox> _comboBox;

	@Inject
	public SingleEnumPropertyWidget(ConfiguredPropertyDescriptor propertyDescriptor,
			ComponentBuilder componentBuilder) {
		super(componentBuilder, propertyDescriptor);

		Enum[] enumConstants = (Enum[]) propertyDescriptor.getType().getEnumConstants();

		if (!propertyDescriptor.isRequired()) {
			enumConstants = CollectionUtils.array(new Enum[] { null }, enumConstants);
		}

		_comboBox = new DCComboBox>(enumConstants);
		_comboBox.setRenderer(new EnumComboBoxListRenderer());

		Enum currentValue = getCurrentValue();
		_comboBox.setSelectedItem(currentValue);

		addComboListener(new Listener>() {
			@Override
			public void onItemSelected(Enum item) {
				fireValueChanged();
			}
		});
		add(_comboBox);
	}
	
	public void addComboListener(Listener> listener) {
		_comboBox.addListener(listener);
	}

	@Override
	public Enum getValue() {
		return (Enum) _comboBox.getSelectedItem();
	}

	@Override
	protected void setValue(Enum value) {
		_comboBox.setSelectedItem(value);
	}

}