/*
    * EL4J, the Extension Library for the J2EE, adds incremental enhancements to
    * the spring framework, http://el4j.sf.net
    * Copyright (C) 2005 by ELCA Informatique SA, Av. de la Harpe 22-24,
    * 1000 Lausanne, Switzerland, http://www.elca.ch
    *
    * EL4J is published under the GNU Lesser General Public License (LGPL)
    * Version 2.1. See http://www.gnu.org/licenses/
    *
   * 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.
   *
   * For alternative licensing, please contact info@elca.ch
   */
  package ch.elca.el4j.services.gui.swing.cookswing.binding;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.jdesktop.application.ApplicationContext;
  import org.jdesktop.beansbinding.Property;
  import org.jdesktop.swingbinding.JTableBinding;
  import org.jdesktop.swingbinding.JTableBinding.ColumnBinding;
  import org.w3c.dom.Element;
  
  import com.silvermindsoftware.hitch.binding.PropertyUtil;
  
  import ch.elca.el4j.services.gui.swing.GUIApplication;
  
  import cookxml.core.DecodeEngine;
  import cookxml.core.exception.CreatorException;
  
  /**
   * The cookSwing creator for general purpose <columnbinding>s inside
   * <tablebinding>s.
   *
   * @svnLink $Revision: 3873 $;$Date: 2009-08-04 13:59:45 +0200 (Di, 04. Aug 2009) $;$Author: swismer $;$URL: https://el4j.svn.sourceforge.net/svnroot/el4j/branches/el4j_3_1/el4j/framework/modules/swing/src/main/java/ch/elca/el4j/services/gui/swing/cookswing/binding/ColumnBindingCreator.java $
   *
   * @author Stefan Wismer (SWI)
   */
  public class ColumnBindingCreator extends AbstractBindingCreator {
  	/**
  	 * The logger.
  	 */
  	private static Logger s_logger = LoggerFactory.getLogger(ColumnBindingCreator.class);
  	
  	// <column> specific attributes
  	protected static final String LABEL = "label";
  	protected static final String EDITABLE = "editable";
  	protected static final String CLASS = "class";
  	
  	/** {@inheritDoc} */
  	@SuppressWarnings("unchecked")
  	public Object create(String parentNS, String parentTag, Element elm,
  		Object parentObj, DecodeEngine decodeEngine) throws CreatorException {
  		
  		// read attributes
  		JTableBinding tb = ((NoAddValueHolder<JTableBinding>)
  			parentObj).getObject();
  		Property prop = PropertyUtil.create(elm.getAttribute(PROPERTY));
  		
  		// create binding
  		ColumnBinding cb = tb.addColumnBinding(prop);
  		
  		// get localized string
  		String columnName = elm.getAttribute(LABEL);
  		if (columnName.startsWith("@")) {
  			GUIApplication app = GUIApplication.getInstance();
  			ApplicationContext appContext = app.getContext();
  			columnName = appContext.getResourceMap(
  				decodeEngine.getVariable("this").getClass())
  				.getString(columnName.substring(1));
  			if (columnName == null) {
  				// no string found -> restore
  				columnName = elm.getAttribute(LABEL).substring(1);
  			}
  		}
  		cb.setColumnName(columnName);
  		
  		// is editable?
  		cb.setEditable(elm.getAttribute(EDITABLE).equalsIgnoreCase("true"));
  		
  		// set class
  		try {
  			if (!elm.getAttribute(CLASS).equals("")) {
  				cb.setColumnClass(Class.forName(elm.getAttribute(CLASS)));
  			}
  		} catch (ClassNotFoundException e) {
  			s_logger.warn("Attribute '" + CLASS + "' of tag '"
  				+ elm.getNodeName() + "' contains invalid class.");
  		}
  		
  		return new NoAddValueHolder<ColumnBinding>(cb);
  	}
  }