/**
    * This file Copyright (c) 2012-2014 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.dam.app.assets.column;
  
  import info.magnolia.cms.beans.config.MIMEMapping;
  import info.magnolia.dam.jcr.AssetNodeTypes;
  import info.magnolia.jcr.util.PropertyUtil;
  import info.magnolia.ui.workbench.column.AbstractColumnFormatter;
  
  import javax.jcr.Item;
  import javax.jcr.Node;
  import javax.jcr.RepositoryException;
  
  import org.apache.commons.lang.StringUtils;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.vaadin.ui.Table;
  
  /**
   * ColumnFormatter for names of assets.<br>
   * - For folders, return the folder node name <br>
   * - For assets, return the asset name. If empty, return the asset node name.
   */
  public class AssetNameColumnFormatter extends AbstractColumnFormatter<AssetNameColumnDefinition> {
  
      private static final Logger log = LoggerFactory.getLogger(AssetNameColumnFormatter.class);
      private static final String ICON_TAG = "<span class=\"%s v-table-icon-element\"></span>";
  
      public AssetNameColumnFormatter(AssetNameColumnDefinition definition) {
          super(definition);
      }
  
      @Override
      public Object generateCell(Table source, Object itemId, Object columnId) {
          final Item jcrItem = getJcrItem(source, itemId);
          if (jcrItem != null && jcrItem.isNode()) {
              Node node = (Node) jcrItem;
              try {
                  String icon = getIcon((Node) jcrItem);
                  if (node.hasProperty(AssetNodeTypes.Asset.ASSET_NAME) && StringUtils.isNotBlank(node.getProperty(AssetNodeTypes.Asset.ASSET_NAME).getString())) {
                      return icon + node.getProperty(AssetNodeTypes.Asset.ASSET_NAME).getString();
                  }
                  return icon + node.getName();
              } catch (RepositoryException e) {
                  log.warn("Unable to get the displayed value for the name column ", e);
              }
          }
          return StringUtils.EMPTY;
      }
      private String getIcon(Node node) throws RepositoryException {
          if (node.getPrimaryNodeType().getName().equals(AssetNodeTypes.Asset.NAME) && node.hasNode(AssetNodeTypes.AssetResource.RESOURCE_NAME)) {
              String mimeType = PropertyUtil.getString(node.getNode(AssetNodeTypes.AssetResource.RESOURCE_NAME), AssetNodeTypes.AssetResource.MIMETYPE, "");
              String extension = PropertyUtil.getString(node.getNode(AssetNodeTypes.AssetResource.RESOURCE_NAME), AssetNodeTypes.AssetResource.EXTENSION, "");
              if (StringUtils.isBlank(mimeType)) {
                  mimeType = MIMEMapping.getMIMEType(extension);
              }
              if (StringUtils.isBlank(mimeType)) {
                  return String.format(ICON_TAG, MIMEMapping.DEFAULT_ICON_STYLE);
              }
              String icon = MIMEMapping.getMIMETypeIconStyle(mimeType);
              return String.format(ICON_TAG, icon);
          }
          return StringUtils.EMPTY;
      }
  }