/*
    * Copyright (C) 2003-2008 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.tree;
  
  import java.util.MissingResourceException;
  
  import javax.jcr.Node;
  
  import org.exoplatform.ecm.webui.utils.Utils;
  import org.exoplatform.services.jcr.util.Text;
  import org.exoplatform.services.log.ExoLogger;
  import org.exoplatform.services.log.Log;
  import org.exoplatform.webui.config.annotation.ComponentConfig;
  import org.exoplatform.webui.config.annotation.EventConfig;
  import org.exoplatform.webui.core.UIRightClickPopupMenu;
  import org.exoplatform.webui.core.UITree;
  
  /**
   * Created by The eXo Platform SAS
   * @author : Hoa.Pham
   *          hoa.pham@exoplatform.com
   * Jun 23, 2008
   */
  
  @ComponentConfig(
      template = "system:/groovy/webui/core/UITree.gtmpl" ,
      events = @EventConfig(listeners = UITree.ChangeNodeActionListener.class)
    )
    /**
     * This class extend <code>org.exoplatform.webui.core.UITree</code>
     * to render node tree for <code>javax.jcr.Node</code>
     *
     * */
  public class UINodeTree extends UITree {
  
    /** The log. */
    private static final Log LOG = ExoLogger.getLogger(UINodeTree.class.getName());
    
    private String rootPath = "";
  
    private boolean isTaxonomyLocalize;
  
    public boolean isTaxonomyLocalize() {
      return isTaxonomyLocalize;
    }
  
    public void setTaxonomyLocalize(boolean isTaxonomyLocalize) {
      this.isTaxonomyLocalize = isTaxonomyLocalize;
    }
  
    public String getRootPath() {
      return rootPath;
    }
  
    public void setRootPath(String rootPath) {
      this.rootPath = rootPath;
    }
  
    /*
     * render nodetype icon for node in tree
     * @see org.exoplatform.webui.core.UITree#renderNode(java.lang.Object)
     */
    public String renderNode(Object obj) throws Exception {
      Node node = (Node) obj;
      String nodeTypeIcon = Utils.getNodeTypeIcon(node,"uiIconEcms");
  
      String nodeIcon = this.getColapseIcon();
      String iconGroup = this.getIcon();
      String note = "" ;
      if(isSelected(obj)) {
        nodeIcon = getExpandIcon();
        iconGroup = getSelectedIcon();
        note = " nodeSelected" ;
      }
      String beanIconField = getBeanIconField();
      if(beanIconField != null && beanIconField.length() > 0) {
        if(getFieldValue(obj, beanIconField) != null)
          iconGroup = (String)getFieldValue(obj, beanIconField);
      }
      String objId = Utils.formatNodeName(String.valueOf(getId(obj)));
      String actionLink = event("ChangeNode", objId);
      StringBuilder builder = new StringBuilder();
      if(nodeIcon.equals(getColapseIcon())) {
        builder.append(" <a class=\"")
               .append(nodeIcon)
              .append(" ")
              .append(nodeTypeIcon)
              .append("\" href=\"javascript:void(0);\" onclick=\"")
              .append(actionLink)
              .append("\">");
     } else {
       builder.append(" <a class=\"")
              .append(nodeIcon)
              .append(" ")
              .append(nodeTypeIcon)
              .append("\" onclick=\"eXo.portal.UIPortalControl.collapseTree(this)")
              .append("\">");
     }
     UIRightClickPopupMenu popupMenu = getUiPopupMenu();
     String beanFieldValue = getDisplayFieldValue(obj);
     beanFieldValue = Text.unescapeIllegalJcrChars(Utils.getTitle(node));
     String className="uiIconFileMini uiIconLightGray";
     boolean flgSymlink = false;
     if (Utils.isSymLink(node)) {
       flgSymlink = true;
       className = "uiIconNodeLink";
     }
     if(popupMenu == null) {
       builder.append(" <i class=\"").append(className).append(" ").append(iconGroup).append(" ").append(nodeTypeIcon)
           .append(note).append("\"").append(" title=\"").append(beanFieldValue)
           .append("\"").append(">");
       if (flgSymlink) {
         builder.append("  <i class=\"linkSmall\">")          
           .append("</i>").append(beanFieldValue);
       } 
       builder.append("</i>");
       builder.append(beanFieldValue);
     } else {
       builder.append(" <i class=\"").append(className).append(" ").append(iconGroup).append(" ").append(nodeTypeIcon)
           .append(note).append("\" ").append(popupMenu.getJSOnclickShowPopup(objId, null)).append(
               " title=\"").append(beanFieldValue).append("\"").append(">");
       if (flgSymlink) {
         builder.append("  <i class=\"linkSmall\">")
           .append(beanFieldValue)
           .append("</i>");
       } 
       builder.append("</i>");
       builder.append(beanFieldValue);
     }
     builder.append(" </a>");
     return builder.toString();
   }
 
   private String getDisplayFieldValue(Object bean) throws Exception{
     if (isTaxonomyLocalize && Node.class.isInstance(bean)) {
       String path = ((Node)bean).getPath();
       String taxonomyTreeName = rootPath.substring(rootPath.lastIndexOf("/") + 1);
       try {
         String display = taxonomyTreeName.concat(path.replace(rootPath, "")).replaceAll("/", ".");
         return Utils.getResourceBundle(("eXoTaxonomies.").concat(display).concat(".label"));
       } catch (MissingResourceException me) {
         if (LOG.isWarnEnabled()) {
           LOG.warn(me.getMessage());
         }
       }
     }
     return String.valueOf(getFieldValue(bean, getBeanLabelField()));
   }
 
   public boolean isSelected(Object obj) throws Exception {
     Node selectedNode = this.getSelected();
     Node node = (Node) obj;
     if(selectedNode == null) return false;
     return selectedNode.getPath().equals(node.getPath());
   }
 }