/**
    * This file Copyright (c) 2003-2010 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.cms.gui.dialog;
  
  import info.magnolia.cms.beans.config.ContentRepository;
  import info.magnolia.cms.core.Content;
  import info.magnolia.cms.gui.control.ControlImpl;
  import info.magnolia.cms.gui.control.Select;
  import info.magnolia.cms.gui.control.SelectOption;
  import info.magnolia.cms.gui.misc.CssConstants;
  import info.magnolia.cms.security.AccessDeniedException;
  import info.magnolia.cms.util.ContentUtil;
  import info.magnolia.cms.util.NodeDataUtil;
  
  import java.io.IOException;
  import java.io.Writer;
  import java.util.ArrayList;
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Iterator;
  import java.util.List;
  
  import javax.jcr.PathNotFoundException;
  import javax.jcr.PropertyType;
  import javax.jcr.RepositoryException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * @author Vinzenz Wyser
   * @version 2.0
   */
  public class DialogSelect extends DialogBox {
  
      /**
       * Logger.
       */
      private static Logger log = LoggerFactory.getLogger(DialogSelect.class);
  
      public void setOptions(Content configNode) {
          List options = new ArrayList();
          try {
              Iterator it = this.getOptionNodes(configNode).iterator(); //$NON-NLS-1$
              while (it.hasNext()) {
                  Content n = (Content) it.next();
                  String valueNodeData = this.getConfigValue("valueNodeData", "value");
                  String labelNodeData = this.getConfigValue("labelNodeData", "label");
  
                  String value = n.getName();
                  if (n.hasNodeData(valueNodeData)) {
                      value = NodeDataUtil.getString(n, valueNodeData);
                  }
                  String label = NodeDataUtil.getString(n, labelNodeData, value);//$NON-NLS-1$
  
                  SelectOption option = new SelectOption(label, value);
                  if (n.getNodeData("selected").getBoolean()) { //$NON-NLS-1$
                      option.setSelected(true);
                  }
                  options.add(option);
              }
          }
          catch (RepositoryException e) {
              if (log.isDebugEnabled()) {
                 log.debug("Exception caught: " + e.getMessage(), e); //$NON-NLS-1$
             }
         }
         this.setOptions(options);
     }
 
     protected Collection getOptionNodes(Content configNode) throws PathNotFoundException, RepositoryException, AccessDeniedException {
         Content optionsNode = null;
 
         if(configNode.hasContent("options")){
             optionsNode = configNode.getContent("options"); //$NON-NLS-1$
         }
         else{
             String repository = this.getConfigValue("repository", ContentRepository.WEBSITE);
             String path = this.getConfigValue("path");
             if(StringUtils.isNotEmpty(path)){
                 optionsNode = ContentUtil.getContent(repository, path);
             }
         }
 
         if(optionsNode != null){
             return ContentUtil.getAllChildren(optionsNode);
         }
         return new ArrayList();
     }
 
     /**
      * @see info.magnolia.cms.gui.dialog.DialogControl#init(HttpServletRequest, HttpServletResponse, Content, Content)
      */
     public void init(HttpServletRequest request, HttpServletResponse response, Content websiteNode, Content configNode)
         throws RepositoryException {
         super.init(request, response, websiteNode, configNode);
         if (configNode != null) {
             setOptions(configNode);
         }
     }
 
     /**
      * @see info.magnolia.cms.gui.dialog.DialogControl#drawHtml(Writer)
      */
     public void drawHtml(Writer out) throws IOException {
         Select control;
         if (this.getConfigValue("valueType").equals("multiple")) { //$NON-NLS-1$ //$NON-NLS-2$
             List values = this.getValues();
             if ((values == null || values.isEmpty()) && getValue() != null) {
                 values = Collections.singletonList(getValue());
             }
             control = new Select(this.getName(), values);
             control.setValueType(ControlImpl.VALUETYPE_MULTIPLE);
         }
         else {
             control = new Select(this.getName(), this.getValue());
         }
         control.setType(this.getConfigValue("type", PropertyType.TYPENAME_STRING)); //$NON-NLS-1$
         if (this.getConfigValue("saveInfo").equals("false")) { //$NON-NLS-1$ //$NON-NLS-2$
             control.setSaveInfo(false);
         }
         control.setCssClass(CssConstants.CSSCLASS_SELECT);
         control.setMultiple(this.getConfigValue("multiple", "false")); //$NON-NLS-1$ //$NON-NLS-2$
         control.setCssStyles("width", this.getConfigValue("width", "100%")); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 
         // translate (not possible in init since not a sub of the tab then)
         for (Iterator iter = this.getOptions().iterator(); iter.hasNext();) {
             SelectOption option = (SelectOption) iter.next();
             option.setLabel(this.getMessage(option.getLabel()));
         }
         control.setOptions(this.getOptions());
 
         this.drawHtmlPre(out);
         out.write(control.getHtml());
         this.drawHtmlPost(out);
     }
 }