code: /*
   * Copyright (c) 2008-2019 Emmanuel Dupuy.
   * This project is distributed under the GPLv3 license.
   * This is a Copyleft license that gives the user the right to use,
   * copy and modify the code freely for non-commercial purposes.
   */
  
  package org.jd.gui.spi;
  
  import javax.swing.*;
  import java.awt.*;
  import java.util.Map;
  
  public interface PreferencesPanel {
      String getPreferencesGroupTitle();
  
      String getPreferencesPanelTitle();
  
      JComponent getPanel();
  
      void init(Color errorBackgroundColor);
  
      boolean isActivated();
  
      void loadPreferences(Map<String, String> preferences);
  
      void savePreferences(Map<String, String> preferences);
  
      boolean arePreferencesValid();
  
      void addPreferencesChangeListener(PreferencesPanelChangeListener listener);
  
      interface PreferencesPanelChangeListener {
          void preferencesPanelChanged(PreferencesPanel source);
      }
  }
  