/*
  * @see org.eclipse.jdt.internal.ui.preferences.IPreferenceConfigurationBlock#performDefaults()
  */
 @Override
 public void performDefaults() {
   initializeBracketHighlightingPreferences();
   super.performDefaults();
   initializeDefaultColors();
   handleAppearanceColorListSelection();
 }
  @Override
  public void performDefaults() {
    super.performDefaults();

    fListViewer.refresh();

    handleSyntaxColorListSelection();

    uninstallSemanticHighlighting();
    installSemanticHighlighting();

    fPreviewViewer.invalidateTextPresentation();
  }
 /*
  * @see org.eclipse.jdt.internal.ui.preferences.IPreferenceConfigurationBlock#performDefaults()
  */
 @Override
 public void performDefaults() {
   super.performDefaults();
   initializeDefaultColors();
   handleAppearanceColorListSelection();
 }