/**
    * This file Copyright (c) 2012-2014 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.ui.vaadin.gwt.client.applauncher.widget;
  
  import info.magnolia.ui.vaadin.gwt.client.applauncher.event.AppActivationEvent;
  import info.magnolia.ui.vaadin.gwt.client.applauncher.shared.AppGroup;
  import info.magnolia.ui.vaadin.gwt.client.applauncher.shared.AppTile;
  
  import java.util.HashMap;
  import java.util.Map;
  import java.util.Map.Entry;
  
  import com.google.gwt.user.client.ui.FlowPanel;
  import com.google.web.bindery.event.shared.EventBus;
  
  /**
   * Implementation of AppLauncher view.
   */
  public class AppLauncherViewImpl extends FlowPanel implements AppLauncherView, AppActivationEvent.Handler {
  
      private final Map<String, VAppTileGroup> groups = new HashMap<String, VAppTileGroup>();
  
      private final VTemporaryAppGroupBar temporarySectionsBar = new VTemporaryAppGroupBar();
  
      private final EventBus eventBus;
  
      private Presenter presenter;
  
      public AppLauncherViewImpl(final EventBus eventBus) {
          super();
          this.eventBus = eventBus;
          add(temporarySectionsBar);
          this.eventBus.addHandler(AppActivationEvent.TYPE, this);
      }
  
      @Override
      public void addAppGroup(AppGroup group) {
          if (group.isPermanent()) {
              addPermanentAppGroup(group);
          } else {
              addTemporaryAppGroup(group);
          }
      }
  
      public void addTemporaryAppGroup(AppGroup groupParams) {
          final VAppTileGroup group = new VTemporaryAppTileGroup(groupParams.getBackgroundColor());
          group.setClientGroup(groupParams.isClientGroup());
          groups.put(groupParams.getName(), group);
          temporarySectionsBar.addGroup(groupParams.getCaption(), group);
          add(group);
      }
  
      public void addPermanentAppGroup(AppGroup groupParams) {
          final VPermanentAppTileGroup group = new VPermanentAppTileGroup(groupParams.getCaption(), groupParams.getBackgroundColor());
          group.setClientGroup(groupParams.isClientGroup());
          groups.put(groupParams.getName(), group);
          add(group);
      }
  
      @Override
      public void onAppActivated(AppActivationEvent event) {
          presenter.activateApp(event.getAppName());
      }
  
      @Override
      public void setPresenter(Presenter presenter) {
          this.presenter = presenter;
      }
 
     @Override
     public void setAppActive(String appName, boolean isActive) {
         for (Entry<String, VAppTileGroup> entry : groups.entrySet()) {
             if (entry.getValue().hasApp(appName)) {
                 AppTileWidget tile = entry.getValue().getAppTile(appName);
                 tile.setActiveState(isActive);
             }
         }
     }
 
     @Override
     public void addAppTile(AppTile tileData, AppGroup groupData) {
         AppTileWidget tile = new AppTileWidget(eventBus, tileData);
         VAppTileGroup group = groups.get(groupData.getName());
         if (group != null) {
             group.addAppTile(tile);
         }
     }
 
     @Override
     public void clear() {
         temporarySectionsBar.clear();
         for (final VAppTileGroup group : groups.values()) {
             remove(group);
         }
         groups.clear();
     }
 
 }