/**
    * This file Copyright (c) 2015 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.resources.app.workbench.tree;
  
  import info.magnolia.context.Context;
  import info.magnolia.event.EventBus;
  import info.magnolia.jcr.util.NodeTypes;
  import info.magnolia.jcr.util.NodeUtil;
  import info.magnolia.module.ModuleRegistry;
  import info.magnolia.objectfactory.ComponentProvider;
  import info.magnolia.resourceloader.ResourceOrigin;
  import info.magnolia.resources.app.ResourcesContentConnector;
  import info.magnolia.resources.app.availability.IsResourcePresentInJcrRule;
  import info.magnolia.resources.app.utils.ResourceUtils;
  import info.magnolia.resources.app.workbench.ResourcesContainer;
  import info.magnolia.resources.app.workbench.tools.FilterClasspathResourcesEvent;
  import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector;
  import info.magnolia.ui.vaadin.integration.jcr.JcrNodeAdapter;
  import info.magnolia.ui.workbench.tree.TreePresenter;
  import info.magnolia.ui.workbench.tree.TreeView;
  
  import java.util.List;
  
  import javax.inject.Inject;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import com.google.common.base.Optional;
  import com.google.common.collect.Lists;
  import com.vaadin.data.Container;
  import com.vaadin.data.Item;
  import com.vaadin.data.Property;
  
  /**
   * Specialized {@link TreePresenter} which creates an origin-based Vaadin container.
   */
  public class ResourcesTreePresenter extends TreePresenter {
  
      private static final String ICON_DIRECTORY = "icon-folder-l";
      private static final String ICON_FILE = "icon-file-text";
  
      private final ModuleRegistry moduleRegistry;
      private final Optional<Context> context;
  
      @Inject
      public ResourcesTreePresenter(final TreeView view, ComponentProvider componentProvider, ModuleRegistry moduleRegistry, Context context) {
          super(view, componentProvider);
          this.moduleRegistry = moduleRegistry;
          this.context = Optional.fromNullable(context);
      }
  
      /**
       * @deprecated since 2.4.2 - use {@link #ResourcesTreePresenter(TreeView, ComponentProvider, ModuleRegistry, Context)} instead.
       */
      public ResourcesTreePresenter(final TreeView view, ComponentProvider componentProvider, ModuleRegistry moduleRegistry) {
          this(view, componentProvider, moduleRegistry, null);
      }
  
      /**
       * @deprecated since 2.4.1 - use {@link #ResourcesTreePresenter(TreeView, ComponentProvider, ModuleRegistry)} instead.
       */
      @Deprecated
      public ResourcesTreePresenter(final TreeView view, ComponentProvider componentProvider, ContentConnector contentConnector, ModuleRegistry moduleRegistry, EventBus eventBus) {
          this(view, componentProvider, moduleRegistry, null);
      }
  
      @Override
      protected Container.Hierarchical createContainer() {
         final ResourceOrigin<?> origin = resourcesContentConnector().getOrigin();
         final List<String> moduleNames = Lists.newArrayList(moduleRegistry.getModuleNames());
         final ResourcesContainer resourcesContainer = new ResourcesContainer(origin, moduleNames);
 
         eventBus.addHandler(FilterClasspathResourcesEvent.class, new FilterClasspathResourcesEvent.Handler() {
             @Override
             public void onResourceFilterChange(FilterClasspathResourcesEvent event) {
                 resourcesContainer.setClasspathResourcesFiltered(event.isFilteringClasspathResources());
             }
         });
 
         return resourcesContainer;
     }
 
     protected ResourcesContentConnector resourcesContentConnector() {
         return (ResourcesContentConnector)contentConnector;
     }
 
     @Override
     public String getIcon(Item item) {
         String resourcePath = item.getItemProperty(ResourcesContainer.RESOURCE_PATH).getValue().toString();
         boolean isResourcePresentInJcr = new IsResourcePresentInJcrRule(resourcesContentConnector().getOrigin()).isAvailable(Lists.newArrayList(resourcePath));
 
         if (context.isPresent() && isResourcePresentInJcr) {
             JcrNodeAdapter jcrNodeAdapter = ResourceUtils.getJcrNodeAdapterFor(context.get(), item);
             Node node = jcrNodeAdapter.getJcrItem();
 
             boolean isDeleted;
             try {
                 isDeleted = NodeUtil.hasMixin(node, NodeTypes.Deleted.NAME);
             } catch (RepositoryException ignored) {
                 isDeleted = false;
             }
             if (isDeleted) {
                 return ICON_TRASH;
             }
         }
 
         Property<Boolean> isDirectory = item.getItemProperty(ResourcesContainer.DIRECTORY_PROPERTY_ID);
         if (isDirectory != null) {
             return isDirectory.getValue() ? ICON_DIRECTORY : ICON_FILE;
         }
         return null;
     }
 
 }