/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *     "Apache Jetspeed" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache" or
 *    "Apache Jetspeed", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
 
package org.apache.jetspeed.modules.actions.controllers;

import org.apache.jetspeed.portal.Portlet;
import org.apache.jetspeed.portal.PortletSet;
import org.apache.jetspeed.portal.PortletController;
import org.apache.jetspeed.portal.PortletControllerConfig;
import org.apache.jetspeed.portal.PanedPortletController;
import org.apache.jetspeed.services.rundata.JetspeedRunData;
import org.apache.jetspeed.om.profile.Profile;
import org.apache.jetspeed.om.profile.Portlets;
import org.apache.jetspeed.om.profile.Entry;
import org.apache.jetspeed.om.profile.MetaInfo;
import org.apache.jetspeed.om.profile.Layout;
import org.apache.jetspeed.services.resources.JetspeedResources;

// Turbine stuff
import org.apache.turbine.util.Log;
import org.apache.turbine.util.RunData;

// Velocity Stuff
import org.apache.velocity.context.Context;

import java.util.Enumeration;

/**
 * This action builds a context suitable for controllers portlets
 * in panes, ie with only a subsetof defined portlets defined at any
 * time.
 * Should be associated with a controller implementing PanedPortletController
 * to work correctly
 * 
 * @author <a href="mailto:raphael@apache.org">Raphaël Luta</a>
 * @author <a href="mailto:taylor@apache.org">David Sean Taylor</a>
 *
 * @version $Id: PanedControllerAction.java,v 1.8 2002/10/29 18:38:05 taylor Exp $
 */
public class PanedControllerAction extends RowColumnControllerAction
{
    /** 
     * Adds a "pane" portlet object in the context which represents the
     * currently selected pane
     */
    protected void buildNormalContext( PortletController controller, 
                                       Context context,
                                       RunData rundata )
    {
        PanedPortletController cont = (PanedPortletController)controller;
        
        PortletSet myPortlets = cont.getPortlets();
        PortletControllerConfig conf = cont.getConfig();

        Portlet portlet = null;
        String paneID = null;
        String paneName = rundata.getParameters().getString( JetspeedResources.PATH_PANENAME_KEY );

        if (null != paneName)        
        {
            portlet = myPortlets.getPortletByName(paneName);
            if (portlet != null)
            {
                paneID = portlet.getID();
                rundata.getParameters().setString(JetspeedResources.PATH_PANEID_KEY, paneID);
            }
        }

        if (null == portlet)
        {
            paneID = cont.retrievePaneID(rundata, true);
            portlet = myPortlets.getPortletByID(paneID);
            if (null == portlet)
            {
                paneID = cont.retrievePaneID(rundata, false);
                portlet = myPortlets.getPortletByID(paneID);
            }
        }

        if (portlet != null)
            context.put("pane", portlet);        
        cont.savePaneID(rundata, paneID);
    }    

}
