ListStyleController.java

/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/osp/trunk/common/tool-lib/src/java/org/theospi/portfolio/style/tool/ListStyleController.java $
* $Id: ListStyleController.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
 * Copyright (c) 2005, 2006, 2008 The Sakai Foundation
 *
 * Licensed under the Educational Community License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.opensource.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*
**********************************************************************************/
package org.theospi.portfolio.style.tool;

import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.sakaiproject.metaobj.security.AuthorizationFailedException;
import org.sakaiproject.metaobj.shared.model.Agent;
import org.sakaiproject.metaobj.utils.mvc.intf.ListScroll;
import org.sakaiproject.metaobj.utils.mvc.intf.ListScrollIndexer;
import org.sakaiproject.tool.cover.ToolManager;
import org.springframework.validation.Errors;
import org.springframework.web.servlet.ModelAndView;
import org.theospi.portfolio.style.StyleHelper;
import org.theospi.portfolio.style.model.Style;

public class ListStyleController extends AbstractStyleController {

   protected final Log logger = LogFactory.getLog(getClass());
   private ListScrollIndexer listScrollIndexer;

   public ModelAndView handleRequest(Object requestModel, Map request, Map session,
                                     Map application, Errors errors) {

      Hashtable model = new Hashtable();
      Agent agent = getAuthManager().getAgent();
      List styles = new ArrayList();
      
      String selectable = (String)session.get(StyleHelper.STYLE_SELECTABLE);
      if (selectable != null) {
         model.put("selectableStyle", selectable);
         styles.addAll(getStyleManager().findPublishedStyles(ToolManager.getCurrentPlacement().getContext()));
      }
      else if (!getStyleManager().isGlobal())
         styles.addAll(getStyleManager().findSiteStyles(ToolManager.getCurrentPlacement().getContext()));
      else
         styles.addAll(getStyleManager().findGlobalStyles(agent));
      
      model.put("styleCount", String.valueOf(styles.size()));

      if (request.get("newStyleId") != null) {
         request.put(ListScroll.ENSURE_VISIBLE_TAG, "" + getStyleIndex(styles,
            (String)request.get("newStyleId")));
      }
      
      if (session.get(StyleHelper.CURRENT_STYLE_ID) != null)
         model.put("selectedStyle", session.get(StyleHelper.CURRENT_STYLE_ID));

      styles = getListScrollIndexer().indexList(request, model, styles);
      model.put("styles", styles);

      model.put("osp_agent", agent);
      String worksiteId = getWorksiteManager().getCurrentWorksiteId().getValue();
      model.put("worksite", getWorksiteManager().getSite(worksiteId));
      model.put("tool", getWorksiteManager().getTool(ToolManager.getCurrentPlacement().getId()));
      model.put("isMaintainer", isMaintainer());
      model.put("isGlobal", Boolean.valueOf(getStyleManager().isGlobal()));
      
      return new ModelAndView("success", model);
   }

   protected int getStyleIndex(List styles, String styleId) {
      if (styleId == null) {
         return 0;
      }

      for (int i=0;i<styles.size();i++){
         Style current = (Style)styles.get(i);
         if (current.getId().getValue().equals(styleId)) {
            return i;
         }
      }
      return 0;
   }
   
   protected void checkPermission(String function) throws AuthorizationFailedException{
      getAuthzManager().checkPermission(function, getIdManager().getId(ToolManager.getCurrentPlacement().getContext()));
   }

   public ListScrollIndexer getListScrollIndexer() {
      return listScrollIndexer;
   }

   public void setListScrollIndexer(ListScrollIndexer listScrollIndexer) {
      this.listScrollIndexer = listScrollIndexer;
   }

}