/**
    * This file Copyright (c) 2003-2012 Magnolia International
    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
    *
    *
    * This file is dual-licensed under both the Magnolia
    * Network Agreement and the GNU General Public License.
    * You may elect to use one or the other of these licenses.
    *
   * This file is distributed in the hope that it will be
   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
   * implied warranty of MERCHANTABILITY or FITNESS FOR A
   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
   * Redistribution, except as permitted by whichever of the GPL
   * or MNA you select, is prohibited.
   *
   * 1. For the GPL license (GPL), you can redistribute and/or
   * modify this file under the terms of the GNU General
   * Public License, Version 3, as published by the Free Software
   * Foundation.  You should have received a copy of the GNU
   * General Public License, Version 3 along with this program;
   * if not, write to the Free Software Foundation, Inc., 51
   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 2. For the Magnolia Network Agreement (MNA), this file
   * and the accompanying materials are made available under the
   * terms of the MNA which accompanies this distribution, and
   * is available at http://www.magnolia-cms.com/mna.html
   *
   * Any modifications to this file must keep this entire header
   * intact.
   *
   */
  package info.magnolia.module.admininterface.trees;
  
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.core.MgnlNodeType;
  import info.magnolia.cms.gui.control.Select;
  import info.magnolia.cms.gui.control.TreeColumn;
  import info.magnolia.cms.i18n.Messages;
  import info.magnolia.cms.i18n.MessagesManager;
  import info.magnolia.cms.i18n.MessagesUtil;
  import info.magnolia.jcr.RuntimeRepositoryException;
  import info.magnolia.objectfactory.Components;
  import info.magnolia.registry.RegistrationException;
  import info.magnolia.rendering.template.TemplateDefinition;
  import info.magnolia.rendering.template.assignment.TemplateDefinitionAssignment;
  import info.magnolia.rendering.template.registry.TemplateDefinitionRegistry;
  
  import java.util.Collection;
  
  import javax.jcr.RepositoryException;
  import javax.servlet.http.HttpServletRequest;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * @author pbracher
   * @version $Id$
   *
   */
  public class TemplateColumn extends TreeColumn {
      private static final Logger log = LoggerFactory.getLogger(TemplateColumn.class);
  
      private TemplateDefinitionRegistry templateRegistry;
      private TemplateDefinitionAssignment templateAssignment;
      Select templateSelect;
  
      public TemplateColumn(String javascriptTree, HttpServletRequest request) {
          super(javascriptTree, request);
          // TODO dlipp: use IoC here.
          this.templateRegistry = Components.getComponent(TemplateDefinitionRegistry.class);
          this.templateAssignment = Components.getComponent(TemplateDefinitionAssignment.class);
  
          templateSelect = new Select();
          templateSelect.setName(javascriptTree + TreeColumn.EDIT_NAMEADDITION);
          templateSelect.setSaveInfo(false);
          templateSelect.setCssClass(TreeColumn.EDIT_CSSCLASS_SELECT);
  
          // we must pass the displayValue to this function
          // templateSelect.setEvent("onblur", tree.getJavascriptTree() + TreeColumn.EDIT_JSSAVE);
          // templateSelect.setEvent("onchange", tree.getJavascriptTree() + TreeColumn.EDIT_JSSAVE);
          templateSelect.setEvent("onblur", javascriptTree //$NON-NLS-1$
              + ".saveNodeData(this.value,this.options[this.selectedIndex].text)"); //$NON-NLS-1$
          templateSelect.setEvent("onchange", javascriptTree //$NON-NLS-1$
              + ".saveNodeData(this.value,this.options[this.selectedIndex].text)"); //$NON-NLS-1$
  
      }
  
      @Override
      public String getHtml() {
          Content content = this.getWebsiteNode();
          try {
              if(MgnlNodeType.NT_FOLDER.equals(content.getNodeTypeName())) {
                  return "";
              }
          } catch (RepositoryException e) {
             throw new RuntimeRepositoryException("Could not retrieve node type name for content " + content, e);
         }
         String templateName = content.getMetaData().getTemplate();
 
         TemplateDefinition template = null;
         try {
             template = templateRegistry.getTemplateDefinition(templateName);
         }
         catch (RegistrationException e) {
             log.error("Template with id {} doesn't exist.", templateName);
         }
         return template != null ? getI18nTitle(template) : "Missing: " + StringUtils.defaultString(templateName);
 
     }
 
     @Override
     public String getHtmlEdit() {
         Collection<TemplateDefinition> templateDefinitons = templateAssignment.getAvailableTemplates(this.getWebsiteNode().getJCRNode());
 
         templateSelect.getOptions().clear();
 
         for (TemplateDefinition templateDefinition : templateDefinitons) {
             String title = MessagesUtil.javaScriptString(getI18nTitle(templateDefinition));
             templateSelect.setOptions(title, templateDefinition.getId());
         }
         return templateSelect.getHtml();
     }
 
     private String getI18nTitle(TemplateDefinition template) {
         Messages messages = MessagesManager.getMessages(template.getI18nBasename());
         String title = template.getTitle();
         return messages.getWithDefault(title, title);
     }
 }