/**
 * Copyright (C) 2009 eXo Platform SAS.
 * 
 * This 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 software 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.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.platform.webui.navigation;

import org.exoplatform.portal.application.PortalRequestContext;
import org.exoplatform.portal.config.UserPortalConfig;
import org.exoplatform.portal.config.UserPortalConfigService;
import org.exoplatform.portal.mop.SiteKey;
import org.exoplatform.portal.mop.SiteType;
import org.exoplatform.portal.mop.user.UserNavigation;
import org.exoplatform.portal.webui.util.Util;
import org.exoplatform.portal.webui.workspace.UIPortalApplication;
import org.exoplatform.portal.webui.workspace.UIWorkingWorkspace;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.core.UIContainer;
import org.exoplatform.webui.core.UIPopupWindow;
import org.exoplatform.webui.core.UIRightClickPopupMenu;
import org.exoplatform.webui.core.UITree;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.Event.Phase;
import org.exoplatform.webui.event.EventListener;

@ComponentConfig(template = "classpath:groovy/platform/webui/containers/UINavigationManagement.gtmpl", events = {
    @EventConfig(listeners = UINavigationManagement.SaveActionListener.class),
    @EventConfig(listeners = UINavigationManagement.AddRootNodeActionListener.class) })
public class UINavigationManagement extends UIContainer {

  private SiteKey siteKey;

  public UINavigationManagement() throws Exception {
    addChild(UINavigationNodeSelector.class, null, null);
  }

  public SiteKey getSiteKey() {
    return siteKey;
  }

  public void setSiteKey(SiteKey key) {
    siteKey = key;
  }

  public <T extends UIComponent> T setRendered(boolean b) {
    return super.<T> setRendered(b);
  }

  public void loadView(Event<? extends UIComponent> event) throws Exception {
    UINavigationNodeSelector uiNodeSelector = getChild(UINavigationNodeSelector.class);
    UITree uiTree = uiNodeSelector.getChild(UITree.class);
    uiTree.createEvent("ChangeNode", event.getExecutionPhase(), event.getRequestContext()).broadcast();
  }

  static public class SaveActionListener extends EventListener<UINavigationManagement> {

    public void execute(Event<UINavigationManagement> event) throws Exception {
      PortalRequestContext prContext = Util.getPortalRequestContext();
      UINavigationManagement uiManagement = event.getSource();
      UINavigationNodeSelector uiNodeSelector = uiManagement.getChild(UINavigationNodeSelector.class);
      UserPortalConfigService portalConfigService = uiManagement.getApplicationComponent(UserPortalConfigService.class);

      UIPopupWindow uiPopup = uiManagement.getParent();
      uiPopup.createEvent("ClosePopup", Phase.PROCESS, event.getRequestContext()).broadcast();

      UIPortalApplication uiPortalApp = (UIPortalApplication) prContext.getUIApplication();
      UIWorkingWorkspace uiWorkingWS = uiPortalApp.getChildById(UIPortalApplication.UI_WORKING_WS_ID);
      prContext.addUIComponentToUpdateByAjax(uiWorkingWS);
      prContext.setFullRender(true);

      UserNavigation navigation = uiNodeSelector.getEdittedNavigation();
      SiteKey siteKey = navigation.getKey();
      String editedOwnerId = siteKey.getName();

      // Check existed
      UserPortalConfig userPortalConfig;
      if (SiteType.PORTAL.equals(siteKey.getType())) {
        userPortalConfig = portalConfigService.getUserPortalConfig(editedOwnerId, event.getRequestContext().getRemoteUser());
        if (userPortalConfig == null) {
          prContext.getUIApplication().addMessage(
              new ApplicationMessage("UIPortalForm.msg.notExistAnymore", null, ApplicationMessage.ERROR));
          return;
        }
      } else {
        userPortalConfig = portalConfigService.getUserPortalConfig(prContext.getPortalOwner(), event.getRequestContext()
            .getRemoteUser());
      }

      UserNavigation persistNavigation = userPortalConfig.getUserPortal().getNavigation(siteKey);
      if (persistNavigation == null) {
        prContext.getUIApplication().addMessage(
            new ApplicationMessage("UINavigationManagement.msg.NavigationNotExistAnymore", null, ApplicationMessage.ERROR));
        return;
      }

      uiNodeSelector.save();
    }
  }

  static public class AddRootNodeActionListener extends EventListener<UINavigationManagement> {

    @Override
    public void execute(Event<UINavigationManagement> event) throws Exception {
      UINavigationManagement uiManagement = event.getSource();
      UINavigationNodeSelector uiNodeSelector = uiManagement.getChild(UINavigationNodeSelector.class);
      UIRightClickPopupMenu menu = uiNodeSelector.getChild(UIRightClickPopupMenu.class);
      menu.createEvent("AddNode", Phase.PROCESS, event.getRequestContext()).broadcast();
    }

  }
}
