/*
    * Copyright (C) 2003-2007 eXo Platform SAS.
    *
    * This program is free software; you can redistribute it and/or
    * modify it under the terms of the GNU Affero General Public License
    * as published by the Free Software Foundation; either version 3
    * of the License, or (at your option) any later version.
    *
    * This program 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 General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, see<http://www.gnu.org/licenses/>.
   */
  package org.exoplatform.ecm.webui.component.explorer;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.exoplatform.ecm.webui.component.explorer.optionblocks.UIOptionBlockPanel;
  import org.exoplatform.services.cms.templates.TemplateService;
  import org.exoplatform.services.wcm.utils.WCMCoreUtils;
  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.event.Event;
  import org.exoplatform.webui.event.EventListener;
  import org.exoplatform.webui.ext.UIExtension;
  import org.exoplatform.webui.ext.UIExtensionManager;
  import javax.jcr.Node;
  
  /**
   * Created by The eXo Platform SARL
   * Author : Dang Van Minh
   *          minh.dang@exoplatform.com
   * Oct 15, 2007 10:05:43 AM
   */
  @ComponentConfig(
                    template = "app:/groovy/webui/component/explorer/UIDocumentTabPane.gtmpl",
        events = {
                  @EventConfig(listeners = UIDocumentContainer.ChangeTabActionListener.class)
                }
  )
  public class UIDocumentContainer extends UIContainer {
  
    private String OPTION_BLOCK_EXTENSION_TYPE = "org.exoplatform.ecm.dms.UIOptionBlockPanel";
    private List<UIComponent> listExtenstion = new ArrayList<UIComponent>();
    private boolean isDisplayOptionPanel = false;
  
    public UIDocumentContainer() throws Exception {
      addChild(UIDocumentWithTree.class, null, null) ;
      addChild(UIDocumentInfo.class, null, null) ;
      this.initOptionBlockPanel();
    }
  
    public boolean isShowViewFile() throws Exception {
      return getAncestorOfType(UIJCRExplorer.class).isShowViewFile() ;
    }
  
    public boolean isJcrEnable() {
      return getAncestorOfType(UIJCRExplorer.class).getPreference().isJcrEnable() ;
    }
  
    public boolean isDocumentNode() {
      try {
        Node currentNode = this.getAncestorOfType(UIJCRExplorer.class).getCurrentNode();
        TemplateService templateService = WCMCoreUtils.getService(TemplateService.class);
        List<String> documentNodeTypes = templateService.getAllDocumentNodeTypes();
        if(documentNodeTypes.contains(currentNode.getPrimaryNodeType().getName())) return true;
        return false;
      } catch(Exception ex) {
        return false;
      }
    }
  
    public static class ChangeTabActionListener  extends EventListener<UIDocumentContainer> {
      public void execute(Event<UIDocumentContainer> event) throws Exception {
        UIDocumentContainer uiDocumentContainer = event.getSource();
        String selectedTabName = event.getRequestContext().getRequestParameter(OBJECTID);
        UIDocumentWithTree uiDocTree = uiDocumentContainer.getChild(UIDocumentWithTree.class);
        uiDocTree.setRendered(uiDocTree.getId().equals(selectedTabName));
  
        UIDocumentInfo uiDocInfo = uiDocumentContainer.getChildById(UIDocumentInfo.class.getSimpleName());
        uiDocInfo.setRendered(uiDocInfo.getId().equals(selectedTabName));
  
        UIJCRExplorer uiExplorer = uiDocumentContainer.getAncestorOfType(UIJCRExplorer.class);
        uiExplorer.setShowDocumentViewForFile(uiDocInfo.getId().equals(selectedTabName));
        event.getRequestContext().addUIComponentToUpdateByAjax(uiDocumentContainer);
        uiExplorer.updateAjax(event);
      }
    }
    /*
    *
    * This method get Option Block Panel extenstion and add it into this
    *
    * */
    public void addOptionBlockPanel() throws Exception {
 
      UIExtensionManager manager = getApplicationComponent(UIExtensionManager.class);
       List<UIExtension> extensions = manager.getUIExtensions(OPTION_BLOCK_EXTENSION_TYPE);
 
       for (UIExtension extension : extensions) {
         UIComponent uicomp = manager.addUIExtension(extension, null, this);
         uicomp.setRendered(false);
         listExtenstion.add(uicomp);
       }
    }
    /*
     * This method checks and returns true if the Option Block Panel is configured to display, else it returns false
     * */
    public boolean isHasOptionBlockPanel() {
      UIExtensionManager manager = getApplicationComponent(UIExtensionManager.class);
       List<UIExtension> extensions = manager.getUIExtensions(OPTION_BLOCK_EXTENSION_TYPE);
       if(extensions != null) {
         return true;
       }
      return false;
    }
 
    public void setDisplayOptionBlockPanel(boolean display) {
      for(UIComponent uicomp : listExtenstion) {
        uicomp.setRendered(display);
      }
      isDisplayOptionPanel = display;
    }
 
    public boolean isDisplayOptionBlockPanel() {
      return isDisplayOptionPanel;
    }
 
    public void initOptionBlockPanel() throws Exception {
      if(isHasOptionBlockPanel()) {
        addOptionBlockPanel();
        UIOptionBlockPanel optionBlockPanel = this.getChild(UIOptionBlockPanel.class);
 
        if(optionBlockPanel.isHasOptionBlockExtension()) {
          optionBlockPanel.addOptionBlockExtension();
          setDisplayOptionBlockPanel(true);
        }
      }
    }
 }