protected void selectionChanged() {
   Vector<SearchRecord> selectedRecords = getSelectedRecords();
   boolean containsPlayable = false;
   for (SearchRecord searchRecord : selectedRecords) {
     if (!searchRecord.isExternalItem()) {
       containsPlayable = true;
       break;
     }
   }
   removeAction(playAction);
   removeAction(separator1);
   removeAction(mergeAction);
   removeAction(separator2);
   removeAction(removeAction);
   boolean added = false;
   if (containsPlayable) {
     addAction(playAction);
     added = true;
   }
   if (selectedRecords.size() > 1) {
     if (added) addAction(separator1);
     addAction(mergeAction);
   }
   if (selectedRecords.size() > 0) {
     if (added) addAction(separator2);
     addAction(removeAction);
   }
 }
 protected void hideRecords() {
   if (QMessageBox.question(
           this,
           Translations.get("dialog_hide_recommended_title"),
           Translations.get("dialog_hide_recommended_text"),
           QMessageBox.StandardButton.Yes,
           QMessageBox.StandardButton.No)
       != QMessageBox.StandardButton.Yes.value()) {
     return;
   }
   Vector<SearchRecord> selectedSearchRecords = getSelectedRecords();
   for (SearchRecord searchRecord : selectedSearchRecords) {
     searchRecord.setDisabled(true);
     searchRecord.update();
   }
 }
 @Override
 public boolean matches(SearchRecord searchRecord) {
   if (searchRecord instanceof ArtistRecord) {
     if (excludeArtistIds.containsKey(searchRecord.getUniqueId())) return false;
     if (artistIds.containsKey(searchRecord.getUniqueId())) return true;
     if (artistSearchParameters != null)
       for (ArtistSearchParameters params : artistSearchParameters)
         if (params.matches(searchRecord) > 0.0f) return true;
     return false;
   } else if (searchRecord instanceof LabelRecord) {
     if (excludeLabelIds.containsKey(searchRecord.getUniqueId())) return false;
     if (labelIds.containsKey(searchRecord.getUniqueId())) return true;
     if (labelSearchParameters != null)
       for (LabelSearchParameters params : labelSearchParameters)
         if (params.matches(searchRecord) > 0.0f) return true;
     return false;
   } else if (searchRecord instanceof ReleaseRecord) {
     if (excludeReleaseIds.containsKey(searchRecord.getUniqueId())) return false;
     if (releaseIds.containsKey(searchRecord.getUniqueId())) return true;
     if (releaseSearchParameters != null)
       for (ReleaseSearchParameters params : releaseSearchParameters)
         if (params.matches(searchRecord) > 0.0f) return true;
     boolean include = false;
     ReleaseRecord releaseRecord = (ReleaseRecord) searchRecord;
     if (releaseRecord.getArtistIds() != null) {
       for (int artistId : releaseRecord.getArtistIds()) {
         if (excludeArtistIds.containsKey(artistId)) return false;
         if (artistIds.containsKey(artistId)) include = true;
       }
     }
     if (releaseRecord.getLabelIds() != null) {
       for (int labelId : releaseRecord.getLabelIds()) {
         if (excludeLabelIds.containsKey(labelId)) return false;
         if (labelIds.containsKey(labelId)) include = true;
       }
     }
     return include;
   } else if (searchRecord instanceof SongRecord) {
     if (excludeSongIds.containsKey(searchRecord.getUniqueId())) return false;
     if (songIds.containsKey(searchRecord.getUniqueId())) return true;
     if (songSearchParameters != null)
       for (SongSearchParameters params : songSearchParameters)
         if (params.matches(searchRecord) > 0.0f) return true;
     boolean include = false;
     SongRecord songRecord = (SongRecord) searchRecord;
     if (songRecord.getArtistIds() != null) {
       for (int artistId : songRecord.getArtistIds()) {
         if (excludeArtistIds.containsKey(artistId)) return false;
         if (artistIds.containsKey(artistId)) include = true;
       }
     }
     if (songRecord.getLabelIds() != null) {
       for (int labelId : songRecord.getLabelIds()) {
         if (excludeLabelIds.containsKey(labelId)) return false;
         if (labelIds.containsKey(labelId)) include = true;
       }
     }
     if (songRecord.getReleaseIds() != null) {
       for (int releaseId : songRecord.getReleaseIds()) {
         if (excludeReleaseIds.containsKey(releaseId)) return false;
         if (releaseIds.containsKey(releaseId)) include = true;
       }
     }
     return include;
   }
   return false;
 }