/**
 * 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 javax.swing.JCheckBox;

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

public class SingleBooleanPropertyWidget extends AbstractPropertyWidget<Boolean> {

    private final JCheckBox _checkBox;
    private final DCComboBox<String> _comboBox;

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

        final Boolean currentValue = getCurrentValue();

        final boolean useCheckBox = propertyDescriptor.isRequired() || propertyDescriptor.getBaseType().isPrimitive();

        if (useCheckBox) {
            _checkBox = new JCheckBox();
            _comboBox = null;
            _checkBox.setOpaque(false);
            if (currentValue != null) {
                _checkBox.setSelected(currentValue.booleanValue());
            }
            _checkBox.addActionListener(e -> fireValueChanged());
            add(_checkBox);
        } else {
            _checkBox = null;
            _comboBox = new DCComboBox<>(new String[] { "true", "false", LabelUtils.NULL_LABEL });

            if (currentValue == null) {
                _comboBox.setSelectedItem(LabelUtils.NULL_LABEL);
            } else {
                _comboBox.setSelectedItem(currentValue.toString());
            }

            _comboBox.addListener(item -> fireValueChanged());

            add(_comboBox);
        }
    }

    @Override
    public boolean isSet() {
        if (_comboBox != null) {
            final String selectedItem = (String) _comboBox.getSelectedItem();
            if (LabelUtils.NULL_LABEL.equals(selectedItem)) {
                return false;
            }
        }
        return true;
    }

    @Override
    public Boolean getValue() {
        if (_checkBox == null) {
            final String selectedItem = (String) _comboBox.getSelectedItem();
            if (LabelUtils.NULL_LABEL.equals(selectedItem)) {
                return null;
            } else {
                return Boolean.parseBoolean(selectedItem);
            }
        } else {
            return _checkBox.isSelected();
        }
    }

    @Override
    protected void setValue(final Boolean value) {
        if (_checkBox == null) {
            if (value == null) {
                _comboBox.setSelectedItem(LabelUtils.NULL_LABEL);
            } else {
                if (value.booleanValue()) {
                    _comboBox.setSelectedItem("true");
                } else {
                    _comboBox.setSelectedItem("false");
                }
            }
        } else {
            if (value == null) {
                _checkBox.setSelected(false);
            } else {
                _checkBox.setSelected(value.booleanValue());
            }
        }
    }

}