/*
    * 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.designgridlayout;
  
  import org.w3c.dom.Element;
  
  import ch.elca.el4j.services.gui.swing.cookswing.binding.NoAddValueHolder;
  
  import net.java.dev.designgridlayout.DesignGridLayout;
  import net.java.dev.designgridlayout.IRow;
  
  import cookxml.core.DecodeEngine;
  import cookxml.core.interfaces.Creator;
  
  
  /**
   * A cookSwing creator for <row>s, rows inside a designgridlayout.
   *
   * @svnLink $Revision: 3883 $;$Date: 2009-08-04 15:35:01 +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/designgridlayout/RowCreator.java $
   *
   * @author Stefan Wismer (SWI)
   */
  public class RowCreator implements Creator {
  
  	/** {@inheritDoc} */
  	public Object create(String parentNS, String parentTag, Element elm,
  		Object parentObj, DecodeEngine decodeEngine) throws Exception {
  		
  		if (parentObj == null || !(parentObj instanceof DesignGridLayout)) {
  			return null;
  		}
  		
  		// search for align attribute, which is required for row construction
  		String align = elm.getAttribute("align");
  		IRow row = null;
  		if (align.equals("left")) {
  			row = ((DesignGridLayout) parentObj).row().left();
  		} else if (align.equals("right")) {
  			row = ((DesignGridLayout) parentObj).row().right();
  		} else if (align.equals("center")) {
  			row = ((DesignGridLayout) parentObj).row().center();
  		} else {
  			// align="grid" or not set
  			row = ((DesignGridLayout) parentObj).row().grid();
  		}
  		return new NoAddValueHolder<IRow>(row);
  	}
  
  	/** {@inheritDoc} */
  	public Object editFinished(String parentNS, String parentTag, Element elm,
  		Object parentObj, Object obj, DecodeEngine decodeEngine)
  		throws Exception {
  		
  		return obj;
  	}
  
  }