/*
 * This program is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
 * Foundation.
 *
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 * or from the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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.
 *
 * Copyright (c) 2005-2011 Pentaho Corporation.  All rights reserved.
 */

package org.pentaho.reporting.ui.datasources.jdbc.ui;

import java.awt.Component;
import javax.script.ScriptEngineFactory;
import javax.swing.DefaultListCellRenderer;
import javax.swing.JLabel;
import javax.swing.JList;

import org.pentaho.reporting.ui.datasources.jdbc.Messages;

public class QueryLanguageListCellRenderer extends DefaultListCellRenderer
{
  private ScriptEngineFactory defaultValue;

  public QueryLanguageListCellRenderer()
  {
  }

  public ScriptEngineFactory getDefaultValue()
  {
    return defaultValue;
  }

  public void setDefaultValue(final ScriptEngineFactory defaultValue)
  {
    this.defaultValue = defaultValue;
  }

  public Component getListCellRendererComponent(final JList list,
                                                final Object value,
                                                final int index,
                                                final boolean isSelected,
                                                final boolean cellHasFocus)
  {
    final JLabel component = (JLabel)
        super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
    if (value == null)
    {
      if (defaultValue != null)
      {
        component.setText
            (Messages.getString("QueryLanguageListCellRenderer.UseDefault", defaultValue.getLanguageName()));
      }
      else
      {
        component.setText(" ");
      }
    }
    else
    {
      final ScriptEngineFactory factory = (ScriptEngineFactory) value;
      component.setText(factory.getLanguageName());
    }
    return component;
  }
}