package com.melloware.jukes.gui.view.node;
   
   import javax.swing.Icon;
   
   import org.apache.commons.logging.Log;
   import org.apache.commons.logging.LogFactory;
   
   import com.melloware.jukes.db.orm.Track;
   import com.melloware.jukes.file.filter.MusicFilter;
  import com.melloware.jukes.gui.tool.Resources;
  
  /**
   * This class represents TRACKS in the navigation tree.
   * <p>
   * Copyright (c) 1999-2007 Melloware, Inc. <http://www.melloware.com>
   * @author Emil A. Lefkof III <info@melloware.com>
   * @version 4.0
   *
   * @see com.melloware.jukes.db.orm.Track
   */
  public final class TrackNode
      extends AbstractTreeNode {
  
      private static final Log LOG = LogFactory.getLog(TrackNode.class);
  
      /**
       * Constructs a <code>TrackNode</code> for the given parent and track.
       * <p>
       * @param aParent this node's parent
       * @param aModel the associated model, an instance of Track
       */
      public TrackNode(NavigationNode aParent, Track aModel) {
          super(aParent, aModel);
          this.settings = ((AbstractTreeNode)aParent).settings;
      }
  
      /**
       * Returns this node's icon, ignores the selection.
       * The icons is requested from a global resource repository.
       * <p>
       * @return this node's icon.
       */
      public Icon getIcon(final boolean sel) {
          final String extension = getTrack().getTrackUrl().toLowerCase();
          if ((extension.endsWith(MusicFilter.OGG)) || (extension.endsWith(MusicFilter.SPEEX))) {
              return Resources.OGG_VORBIS_ICON;
          } else if (extension.endsWith(MusicFilter.FLAC)) {
              return Resources.FLAC_ICON;
          } else {
              return Resources.TRACK_TREE_ICON;
          }
      }
  
      /**
       * Returns this node's name, the identifier of the associated track.
       * <p>
       * @return this node's name
       */
      public String getName() {
          return getTrack().getDisplayText(this.settings.getDisplayFormatTrack());
      }
  
      /**
       * Returns this node's associated Track instance.
       * <p>
       * @return this node's associated Track instance.
       * @see NavigationNode#getModel()
       */
      public Track getTrack() {
          return (Track)getModel();
      }
  
      /* (non-Javadoc)
       * @see com.melloware.jukes.gui.tool.node.AbstractTreeNode#loadChildren()
       */
      public void loadChildren() {
          if (!childrenLoaded) {
              loadingChildren = true;
              LOG.debug("Loading children");
              loadingChildren = false;
              childrenLoaded = true;
          }
      }
  
  }