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

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/**
 * 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.BorderLayout;
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;
import javax.swing.JButton;
import javax.swing.border.EmptyBorder;
import javax.swing.event.DocumentEvent;
import javax.swing.text.JTextComponent;

import org.datacleaner.descriptors.ConfiguredPropertyDescriptor;
import org.datacleaner.job.builder.ComponentBuilder;
import org.datacleaner.panels.DCPanel;
import org.datacleaner.util.DCDocumentListener;
import org.datacleaner.util.IconUtils;
import org.datacleaner.util.WidgetFactory;
import org.datacleaner.widgets.CharTextField;
import org.jdesktop.swingx.VerticalLayout;

public class MultipleCharPropertyWidget extends AbstractPropertyWidget {

	private final DCPanel _textFieldPanel;

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

		_textFieldPanel = new DCPanel();
		_textFieldPanel.setLayout(new VerticalLayout(2));

		char[] currentValue = getCurrentValue();
		if (currentValue == null) {
			currentValue = new char[1];
		}
		updateComponents(currentValue);

		final JButton addButton = WidgetFactory.createSmallButton(IconUtils.ACTION_ADD);
		addButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				addCharField();
				fireValueChanged();
			}
		});

		final JButton removeButton = WidgetFactory.createSmallButton(IconUtils.ACTION_REMOVE);
		removeButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				int componentCount = _textFieldPanel.getComponentCount();
				if (componentCount > 0) {
					_textFieldPanel.remove(componentCount - 1);
					_textFieldPanel.updateUI();
					fireValueChanged();
				}
			}
		});

		final DCPanel buttonPanel = new DCPanel();
		buttonPanel.setBorder(new EmptyBorder(0, 4, 0, 0));
		buttonPanel.setLayout(new VerticalLayout(2));
		buttonPanel.add(addButton);
		buttonPanel.add(removeButton);

		final DCPanel outerPanel = new DCPanel();
		outerPanel.setLayout(new BorderLayout());

		outerPanel.add(_textFieldPanel, BorderLayout.CENTER);
		outerPanel.add(buttonPanel, BorderLayout.EAST);

		add(outerPanel);
	}

	public void updateComponents(char[] values) {
		_textFieldPanel.removeAll();
		if (values != null) {
			for (char value : values) {
				addTextComponent(value);
			}
		}
	}

	private CharTextField addCharField() {
		CharTextField textField = new CharTextField();
		textField.addDocumentListener(new DCDocumentListener() {
			@Override
			protected void onChange(DocumentEvent event) {
				fireValueChanged();
			}
		});
		_textFieldPanel.add(textField);
		_textFieldPanel.updateUI();
		return textField;
	}

	private void addTextComponent(char value) {
		addCharField().setValue(value);
	}

	@Override
	public char[] getValue() {
		Component[] components = _textFieldPanel.getComponents();
		List list = new ArrayList();
		for (int i = 0; i < components.length; i++) {
			DCPanel panel = (DCPanel) components[i];
			JTextComponent textComponent = (JTextComponent) panel.getComponent(0);
			String text = textComponent.getText();
			if (text != null && text.length() == 1) {
				list.add(text.charAt(0));
			}
		}
		char[] result = new char[list.size()];
		for (int i = 0; i < result.length; i++) {
			result[i] = list.get(i);
		}
		return result;
	}

	@Override
	protected void setValue(char[] value) {
		updateComponents(value);
	}

}