/**
 * 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 java.awt.Component;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Map;

import javax.inject.Inject;
import javax.swing.JList;

import org.datacleaner.descriptors.ConfiguredPropertyDescriptor;
import org.datacleaner.job.builder.ComponentBuilder;
import org.datacleaner.widgets.DCComboBox;
import org.datacleaner.widgets.DCListCellRenderer;

public class SingleClassPropertyWidget extends AbstractPropertyWidget<Class<?>> {

    private final DCComboBox<Class<?>> _comboBox;

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

        _comboBox = createClassComboBox(propertyDescriptor.isRequired());
        final Class<?> currentValue = getCurrentValue();
        if (currentValue != null) {
            _comboBox.setSelectedItem(currentValue);
        }

        _comboBox.addListener(this::fireValueChanged);

        add(_comboBox);
    }

    public static DCComboBox<Class<?>> createClassComboBox(final boolean required) {
        final Collection<Class<?>> items = new ArrayList<>();

        if (!required) {
            items.add(null);
        }
        items.add(String.class);
        items.add(Number.class);
        items.add(Date.class);
        items.add(Boolean.class);
        items.add(List.class);
        items.add(Map.class);
        items.add(Object.class);

        final DCComboBox<Class<?>> comboBox = new DCComboBox<>(items);
        comboBox.setRenderer(new DCListCellRenderer() {

            private static final long serialVersionUID = 1L;

            @Override
            public Component getListCellRendererComponent(final JList<?> list, Object value, final int index,
                    final boolean isSelected, final boolean cellHasFocus) {
                if (value instanceof Class) {
                    // render eg. java.lang.String as just "String"
                    value = ((Class<?>) value).getSimpleName();
                }
                return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
            }
        });
        return comboBox;
    }

    @Override
    public Class<?> getValue() {
        return _comboBox.getSelectedItem();
    }

    @Override
    protected void setValue(final Class<?> value) {
        _comboBox.setSelectedItem(value);
    }

}