/*
 * Copyright 2012, Red Hat, Inc. and individual contributors as indicated by the
 * @author tags. See the copyright.txt file in the distribution for a full
 * listing of individual contributors.
 * 
 * This is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 * 
 * This software 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 software; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
 * site: http://www.fsf.org.
 */
package org.zanata.webtrans.client.service;

import java.util.HashMap;
import java.util.Map;

import net.customware.gwt.presenter.client.EventBus;

import org.zanata.webtrans.client.events.TransUnitEditEvent;
import org.zanata.webtrans.client.events.TransUnitEditEventHandler;
import org.zanata.webtrans.shared.model.Person;
import org.zanata.webtrans.shared.model.TransUnit;
import org.zanata.webtrans.shared.model.UserPanelSessionItem;

import com.google.inject.Inject;

/**
 * @author Alex Eng <a href="mailto:aeng@redhat.com">aeng@redhat.com</a>
 *
 */
public class UserSessionService implements TransUnitEditEventHandler
{
   private final HashMap<Person, UserPanelSessionItem> userSessionMap;

   @Inject
   public UserSessionService(final EventBus eventBus)
   {
      userSessionMap = new HashMap<Person, UserPanelSessionItem>();
      
      eventBus.addHandler(TransUnitEditEvent.getType(), this);
   }

   @Override
   public void onTransUnitEdit(TransUnitEditEvent event)
   {
      updateTranslatorStatus(event.getPerson(), event.getSelectedTransUnit());
   }

   public void updateTranslatorStatus(Person person, TransUnit selectedTransUnit)
   {
      if (userSessionMap.containsKey(person) && selectedTransUnit != null)
      {
         userSessionMap.get(person).setSelectedTransUnit(selectedTransUnit);
      }
   }

   public int getTranslatorsSize()
   {
      return userSessionMap.size();
   }

   public UserPanelSessionItem getUserPanel(Person person)
   {
      return userSessionMap.get(person);
   }

   public void addUser(Person person, UserPanelSessionItem item)
   {
      userSessionMap.put(person, item);
   }

   public void removeUser(Person person)
   {
      userSessionMap.remove(person);
   }

   public Map<Person, UserPanelSessionItem> getUserSessionMap()
   {
      return userSessionMap;
   }
}

@@ -1413,16 +1413,59 @@
 nItem;%0A%0A
+import com.allen_sauer.gwt.log.client.Log;%0A
 import c
@@ -2257,24 +2257,134 @@
 ll)%0A      %7B%0A
+         Log.info(%22======updateTranslatorStatus:%22 + person.getName() + %22:%22 + selectedTransUnit.getSources());%0A
          use

Work in progress: problem with multiple user display in editor