content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library 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 library 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.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.ui.apps;
  
  import org.opencms.ui.apps.CmsWorkplaceAppManager.ConfigurationComparator;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Locale;
  
  import com.vaadin.v7.ui.HorizontalLayout;
  import com.vaadin.ui.Panel;
  import com.vaadin.v7.ui.VerticalLayout;
  import com.vaadin.ui.themes.ValoTheme;
  
  /**
   * Widget used to displays a nested hierarchy of app categories and apps.<p>
   */
  public class CmsAppHierarchyPanel extends VerticalLayout {
  
      /** Serial version id.*/
      private static final long serialVersionUID = 1L;
  
      /** The panel to display the apps at this tree level. */
      private HorizontalLayout m_appPanel;
  
      /** The object used to generate the buttons for the apps. */
      private I_CmsAppButtonProvider m_appButtonProvider;
  
      /**
       * Creates a new instance.<p>
       *
       * @param buttonProvider the object to which we delegate the creation of app buttons
       */
      public CmsAppHierarchyPanel(I_CmsAppButtonProvider buttonProvider) {
  
          m_appPanel = new HorizontalLayout();
          m_appPanel.addStyleName(ValoTheme.LAYOUT_HORIZONTAL_WRAPPING);
          addComponent(m_appPanel);
          setMargin(true);
          setSpacing(true);
          m_appButtonProvider = buttonProvider;
      }
  
      /**
       * Adds a child category panel.<p>
       *
       * @param label the label
       * @param child the child widget
       */
      public void addChild(String label, CmsAppHierarchyPanel child) {
  
          Panel panel = new Panel();
          panel.setCaption(label);
          panel.setContent(child);
          addComponent(panel);
      }
  
      /**
       * Displays the given tree of categories and apps in the tree.<p>
       *
       * @param rootNode the rootNode to render in this panel
       * @param locale the locale to use
       */
      public void fill(CmsAppCategoryNode rootNode, Locale locale) {
  
          List<I_CmsHasOrder> configurations = new ArrayList<I_CmsHasOrder>();
          configurations.addAll(rootNode.getAppConfigurations());
          configurations.addAll(rootNode.getChildren());
          Collections.sort(configurations, new ConfigurationComparator<I_CmsHasOrder>());
          for (I_CmsHasOrder config : configurations) {
              if (config instanceof I_CmsWorkplaceAppConfiguration) {
                  m_appPanel.addComponent(m_appButtonProvider.createAppButton((I_CmsWorkplaceAppConfiguration)config));
              } else {
                  CmsAppCategoryNode childNode = (CmsAppCategoryNode)config;
                  if (childNode.getCategory() instanceof I_CmsFolderAppCategory) {
                      m_appPanel.addComponent(m_appButtonProvider.createAppFolderButton(childNode));
                  } else {
                      CmsAppHierarchyPanel childPanel = new CmsAppHierarchyPanel(m_appButtonProvider);
                      addChild(childNode.getCategory().getName(locale), childPanel);
                      childPanel.fill(childNode, locale);
                  }
              }
          }
      }
  }
  