package com.melloware.jukes.gui.view.component;
   
   import java.awt.Color;
   import java.awt.Component;
   import java.awt.Font;
   import java.util.Comparator;
   
   import javax.swing.JLabel;
   import javax.swing.JList;
  import javax.swing.ListCellRenderer;
  
  import org.apache.commons.lang.builder.CompareToBuilder;
  
  import com.jgoodies.uif.application.Application;
  import com.melloware.jukes.db.orm.Track;
  import com.melloware.jukes.gui.tool.Settings;
  import com.melloware.jukes.gui.view.MainFrame;
  import com.melloware.jukes.util.JukesValidationMessage;
  
  /**
   * Custom TrackListCellRenderer used to display Tracks in JList messages.
   * <p>
   * Copyright (c) 1999-2007 Melloware, Inc. <http://www.melloware.com>
   * @author Emil A. Lefkof III <info@melloware.com>
   * @version 4.0
   */
  public final class TrackListCellRenderer
      extends JLabel
      implements ListCellRenderer {
  
      /**
       * Comparator used to sort the list items by name constantly.
       */
      public static final Comparator TRACK_COMPARATOR = new Comparator() {
          public int compare(Object aObject1, Object aObject2) {
              final JukesValidationMessage item1 = (JukesValidationMessage)aObject1;
              final JukesValidationMessage item2 = (JukesValidationMessage)aObject2;
              final CompareToBuilder builder = new CompareToBuilder();
              builder.append(item1.formattedText(), item2.formattedText());
              return builder.toComparison();
          }
      };
      public final Settings settings;
  
      /**
       * Default Constructor
       */
      public TrackListCellRenderer() {
          super();
          this.settings = null;
      }
  
      /**
       * Default Constructor
       */
      public TrackListCellRenderer(Settings aSettings) {
          super();
          this.settings = aSettings;
      }
  
      /* (non-Javadoc)
       * @see javax.swing.ListCellRenderer#getListCellRendererComponent(javax.swing.JList, java.lang.Object, int, boolean,
       * boolean)
       */
      public Component getListCellRendererComponent(final JList list,
                                                    final Object value,
                                                    final int index,
                                                    final boolean isSelected,
                                                    final boolean cellHasFocus) {
  
          final JukesValidationMessage message = (JukesValidationMessage)value;
          // this.setIcon(TrackListCellRenderer.getIcon(message.severity()));
          final Track track = (Track)message.getDomainObject();
  
          // pad the display with two spaces for readability
          this.setText(track.getDisplayText("  " + this.settings.getDisplayFormatTrack()) + "  ");
          final MainFrame mainFrame = (MainFrame)Application.getDefaultParentFrame();
          if (isSelected) {
              setBackground(list.getSelectionBackground());
              if (track.isNotValid()) {
                  setForeground(Color.RED);
              } else if (mainFrame.getPlaylist().containsNext(track)) {
                  setForeground(Color.BLUE);
              } else {
                  setForeground(list.getSelectionForeground());
              }
          } else {
              setBackground(list.getBackground());
              if (track.isNotValid()) {
                  setForeground(Color.RED);
              } else if (mainFrame.getPlaylist().containsNext(track)) {
                  setForeground(Color.BLUE);
              } else {
                  setForeground(list.getForeground());
              }
          }
          setEnabled(list.isEnabled());
          Font newfont = list.getFont();
          if (track.isNotValid()) {
             newfont = newfont.deriveFont(newfont.getStyle() ^ Font.ITALIC);
         }
         setFont(newfont);
         setOpaque(true);
         return this;
     }
 
 }