/**
 * Copyright (C) 2009 eXo Platform SAS.
 * 
 * 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.exoplatform.webui.form;

import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.EventListener;

/**
 * Represents a tabbed pane
 * 
 */
abstract public class UIFormTabPane extends UIForm
{
   /**
   * name of this element 
    */
   public String name_;

   /**
    * Whether to represent an info bar
    */
   private boolean withInfoBar = true;

   private boolean withRenderTabName = true;

   /**
    * The tab to render
    */
   private String selectedTabId = "";

   /**
    * The tab to render by default (DECODE phase)
    */
   public static String RENDER_TAB = "currentSelectedTab";

   public UIFormTabPane(String name) throws Exception
   {
      name_ = name;
   }

   public String getSelectedTabId()
   {
      return selectedTabId;
   }

   public void setSelectedTab(String renderTabId)
   {
      selectedTabId = renderTabId;
   }

   public void setSelectedTab(int index)
   {
      selectedTabId = ((UIComponent)getChild(index - 1)).getId();
   }

   public void processDecode(WebuiRequestContext context) throws Exception
   {
      String renderTab = context.getRequestParameter(RENDER_TAB);
      if (renderTab != null)
         selectedTabId = renderTab;
      super.processDecode(context);
   }

   public String getName()
   {
      return name_;
   }

   public boolean hasInfoBar()
   {
      return withInfoBar;
   }

   public void setInfoBar(boolean value)
   {
      withInfoBar = value;
   }

   public boolean hasRenderResourceTabName()
   {
      return withRenderTabName;
   }

   public void setRenderResourceTabName(boolean bool)
   {
      withRenderTabName = bool;
   }

   static public class SelectTabActionListener extends EventListener<UIFormTabPane>
   {
      public void execute(Event<UIFormTabPane> event) throws Exception
      {
         WebuiRequestContext context = event.getRequestContext();
         String renderTab = context.getRequestParameter(UIComponent.OBJECTID);
         if (renderTab == null)
            return;
         event.getSource().setSelectedTab(renderTab);
      }
   }

}