/*
    * 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.admin.drives;
  
  import java.util.Collections;
  import java.util.Comparator;
  import java.util.List;
  import java.util.MissingResourceException;
  
  import org.exoplatform.services.cms.drives.DriveData;
  import org.exoplatform.services.cms.views.ManageViewService;
  import org.exoplatform.services.cms.views.ViewConfig;
  import org.exoplatform.web.application.ApplicationMessage;
  import org.exoplatform.webui.application.WebuiRequestContext;
  import org.exoplatform.webui.exception.MessageException;
  import org.exoplatform.webui.form.UIFormInputSet;
  import org.exoplatform.webui.form.input.UICheckBoxInput;
  
  /**
   * Created by The eXo Platform SARL
   * Author : Tran The Trong
   *          trongtt@gmail.com
   * Jun 28, 2006
   */
  public class UIViewsInputSet extends UIFormInputSet {
  
    public UIViewsInputSet(String name) throws Exception {
      super(name);
    }
  
    public String getViewsSelected() throws Exception {
      StringBuilder selectedView = new StringBuilder() ;
      List<ViewConfig> views_ = getApplicationComponent(ManageViewService.class).getAllViews();
      for(ViewConfig view : views_){
        String viewName= view.getName() ;
        boolean checked = getUICheckBoxInput(viewName).isChecked() ;
        if(checked){
          if(selectedView.length() > 0) selectedView.append(", ") ;
          selectedView.append(viewName) ;
        }
      }
      if(selectedView.length() < 1 ) {
        throw new MessageException(new ApplicationMessage("UIDriveForm.msg.drive-views-invalid",
                                                          null, ApplicationMessage.WARNING)) ;
      }
      return selectedView.toString() ;
    }
  
    private void clear() throws Exception {
      
      List<ViewConfig> views_ = getApplicationComponent(ManageViewService.class).getAllViews();
      Collections.sort(views_, new ViewComparator());
      for(ViewConfig view : views_){
        String viewName = view.getName() ;
        if(getUICheckBoxInput(viewName) != null) {
          getUICheckBoxInput(viewName).setChecked(false) ;
        }else{
          addUIFormInput(new UICheckBoxInput(viewName, viewName, null)) ;
        }
  
      }
    }
    
    static public class ViewComparator implements Comparator<ViewConfig> {
      public int compare(ViewConfig v1, ViewConfig v2) throws ClassCastException {
        WebuiRequestContext webReqContext = WebuiRequestContext.getCurrentInstance();
        String displayName1, displayName2;
        try {
          displayName1 = webReqContext.getApplicationResourceBundle().getString("UIDriveForm.label." + v1.getName());  
        } catch(MissingResourceException mre) {
          displayName1 = v1.getName();
        }
        try {
          displayName2 = webReqContext.getApplicationResourceBundle().getString("UIDriveForm.label." + v2.getName());
        } catch(MissingResourceException mre) {
          displayName2 = v2.getName();
        }
        return displayName1.compareToIgnoreCase(displayName2);
      }
    }
  
    public void update(DriveData drive) throws Exception {
      clear() ;
      if( drive == null) return ;
      String views = drive.getViews() ;
     String[] array = views.split(",") ;
     for(String view: array){
       getUICheckBoxInput(view.trim()).setChecked(true) ;
     }
   }
 }