gui.java

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  /**
   * @return All registered IP distributors
   */
  public Vector<Class<? extends IPDistributor>> getRegisteredIPDistributors() {
    return ipDistributorClasses;
  }

  /**
   * Register new positioner class.
   *
   * @param positionerClass
   *          Class to register
   * @return True if class was registered
   */
  public boolean registerPositioner(Class<? extends Positioner> positionerClass) {
    // Check that interval constructor exists
    try {
      positionerClass
          .getConstructor(new Class[] { int.class, double.class, double.class,
              double.class, double.class, double.class, double.class });
    } catch (Exception e) {
      logger.fatal("No interval constructor found of positioner: "
          + positionerClass);
      return false;
    }

    positionerClasses.add(positionerClass);
    return true;
  }

  /**
   * Unregister all positioner classes.
   */
  public void unregisterPositioners() {
    positionerClasses.clear();
  }

  /**
   * @return All registered positioner classes
   */
  public Vector<Class<? extends Positioner>> getRegisteredPositioners() {
    return positionerClasses;
  }

  /**
   * Register new radio medium class.
   *
   * @param radioMediumClass
   *          Class to register
   * @return True if class was registered
   */
  public boolean registerRadioMedium(
      Class<? extends RadioMedium> radioMediumClass) {
    // Check that simulation constructor exists
    try {
      radioMediumClass.getConstructor(new Class[] { Simulation.class });
    } catch (Exception e) {
      logger.fatal("No simulation constructor found of radio medium: "
          + radioMediumClass);
      return false;
    }

    radioMediumClasses.add(radioMediumClass);
    return true;
  }

  /**
   * Unregister all radio medium classes.
   */
  public void unregisterRadioMediums() {
    radioMediumClasses.clear();
  }

  /**
   * @return All registered radio medium classes
   */
  public Vector<Class<? extends RadioMedium>> getRegisteredRadioMediums() {
    return radioMediumClasses;
  }

  /**
   * Builds new project configuration using current project directories settings.
   * Reregisters mote types, plugins, IP distributors, positioners and radio
   * mediums. This method may still return true even if all classes could not be
   * registered, but always returns false if all project directory configuration
   * files were not parsed correctly.
   *
   * Any registered temporary plugins will be saved and reregistered.
   *
   * @return True if external configuration files were found and parsed OK
   */
  public void reparseProjectConfig()
  throws ParseProjectsException {
    // Backup temporary plugins
    Vector<Class<? extends Plugin>> oldTempPlugins = (Vector<Class<? extends Plugin>>) pluginClassesTemporary
        .clone();

    // Reset current configuration
    unregisterMoteTypes();
    unregisterPlugins();
    unregisterIPDistributors();
    unregisterPositioners();
    unregisterRadioMediums();

    try {
      // Read default configuration
      projectConfig = new ProjectConfig(true);
    } catch (FileNotFoundException e) {
      logger.fatal("Could not find default project config file: "
          + PROJECT_DEFAULT_CONFIG_FILENAME);
      throw (ParseProjectsException) new ParseProjectsException(
          "Could not find default project config file: "
          + PROJECT_DEFAULT_CONFIG_FILENAME).initCause(e);
    } catch (IOException e) {
      logger.fatal("Error when reading default project config file: "
          + PROJECT_DEFAULT_CONFIG_FILENAME);
      throw (ParseProjectsException) new ParseProjectsException(
          "Error when reading default project config file: "
          + PROJECT_DEFAULT_CONFIG_FILENAME).initCause(e);
    }

    // Append project directory configurations
    for (File projectDir : currentProjectDirs) {

      try {
        // Append config to general config
        projectConfig.appendProjectDir(projectDir);
      } catch (FileNotFoundException e) {
        logger.fatal("Could not find project config file: " + projectDir);
        throw (ParseProjectsException) new ParseProjectsException(
            "Could not find project config file: " + projectDir).initCause(e);
      } catch (IOException e) {
        logger.fatal("Error when reading project config file: " + projectDir);
        throw (ParseProjectsException) new ParseProjectsException(
            "Error when reading project config file: " + projectDir).initCause(e);
      }
    }

    // Create class loader
    try {
    projectDirClassLoader = createClassLoader(currentProjectDirs);
    } catch (ClassLoaderCreationException e) {
      throw (ParseProjectsException) new ParseProjectsException(
          "Error when creating class loader").initCause(e);
    }


    // Register mote types
    String[] moteTypeClassNames = projectConfig.getStringArrayValue(GUI.class,
        "MOTETYPES");
    if (moteTypeClassNames != null) {
      for (String moteTypeClassName : moteTypeClassNames) {
        Class<? extends MoteType> moteTypeClass = tryLoadClass(this,
            MoteType.class, moteTypeClassName);

        if (moteTypeClass != null) {
          registerMoteType(moteTypeClass);
          // logger.info("Loaded mote type class: " + moteTypeClassName);
        } else {
          logger.warn("Could not load mote type class: " + moteTypeClassName);
        }
      }
    }

    // Register plugins
    registerPlugin(SimControl.class, false); // Not in menu
    registerPlugin(SimInformation.class, false); // Not in menu
    registerPlugin(MoteTypeInformation.class, false); // Not in menu
    String[] pluginClassNames = projectConfig.getStringArrayValue(GUI.class,
        "PLUGINS");
    if (pluginClassNames != null) {
      for (String pluginClassName : pluginClassNames) {
        Class<? extends Plugin> pluginClass = tryLoadClass(this, Plugin.class,
            pluginClassName);

        if (pluginClass != null) {
          registerPlugin(pluginClass);
          // logger.info("Loaded plugin class: " + pluginClassName);
        } else {
          logger.warn("Could not load plugin class: " + pluginClassName);
        }
      }
    }

    // Reregister temporary plugins again
    if (oldTempPlugins != null) {
      for (Class<? extends Plugin> pluginClass : oldTempPlugins) {
        if (registerTemporaryPlugin(pluginClass)) {
          // logger.info("Reregistered temporary plugin class: " +
          // getDescriptionOf(pluginClass));
        } else {
          logger.warn("Could not reregister temporary plugin class: "
              + getDescriptionOf(pluginClass));
        }
      }
    }

    // Register IP distributors
    String[] ipDistClassNames = projectConfig.getStringArrayValue(GUI.class,
        "IP_DISTRIBUTORS");
    if (ipDistClassNames != null) {
      for (String ipDistClassName : ipDistClassNames) {
        Class<? extends IPDistributor> ipDistClass = tryLoadClass(this,
            IPDistributor.class, ipDistClassName);

        if (ipDistClass != null) {
          registerIPDistributor(ipDistClass);
          // logger.info("Loaded IP distributor class: " + ipDistClassName);
        } else {
          logger
              .warn("Could not load IP distributor class: " + ipDistClassName);
        }
      }
    }

    // Register positioners
    String[] positionerClassNames = projectConfig.getStringArrayValue(
        GUI.class, "POSITIONERS");
    if (positionerClassNames != null) {
      for (String positionerClassName : positionerClassNames) {
        Class<? extends Positioner> positionerClass = tryLoadClass(this,
            Positioner.class, positionerClassName);

        if (positionerClass != null) {
          registerPositioner(positionerClass);
          // logger.info("Loaded positioner class: " + positionerClassName);
        } else {
          logger
              .warn("Could not load positioner class: " + positionerClassName);
        }
      }
    }

    // Register radio mediums
    String[] radioMediumsClassNames = projectConfig.getStringArrayValue(
        GUI.class, "RADIOMEDIUMS");
    if (radioMediumsClassNames != null) {
      for (String radioMediumClassName : radioMediumsClassNames) {
        Class<? extends RadioMedium> radioMediumClass = tryLoadClass(this,
            RadioMedium.class, radioMediumClassName);

        if (radioMediumClass != null) {
          registerRadioMedium(radioMediumClass);
          // logger.info("Loaded radio medium class: " + radioMediumClassName);
        } else {
          logger.warn("Could not load radio medium class: "
              + radioMediumClassName);
        }
      }
    }

  }

  /**
   * Returns the current project configuration common to the entire simulator.
   *
   * @return Current project configuration
   */
  public ProjectConfig getProjectConfig() {
    return projectConfig;
  }

  /**
   * Returns the current project directories common to the entire simulator.
   *
   * @return Current project directories.
   */
  public Vector<File> getProjectDirs() {
    return currentProjectDirs;
  }

  // // PLUGIN METHODS ////

  /**
   * Show a started plugin in working area.
   *
   * @param plugin
   *          Internal frame to add
   */
  public void showPlugin(VisPlugin plugin) {
    int nrFrames = myDesktopPane.getAllFrames().length;
    myDesktopPane.add(plugin);

    // Set standard size if not specified by plugin itself
    if (plugin.getWidth() <= 0 || plugin.getHeight() <= 0) {
      plugin.setSize(FRAME_STANDARD_WIDTH, FRAME_STANDARD_HEIGHT);
    }

    // Set location if not already visible
    if (!plugin.isVisible()) {
      plugin.setLocation((nrFrames + 1) * FRAME_NEW_OFFSET, (nrFrames + 1)
          * FRAME_NEW_OFFSET);
      plugin.setVisible(true);
    }

    // Deselect all other plugins before selecting the new one
    try {
      for (JInternalFrame existingPlugin : myDesktopPane.getAllFrames()) {
        existingPlugin.setSelected(false);
      }
      plugin.setSelected(true);
    } catch (Exception e) {
      // Ignore
    }

    // Mote plugin to front
    myDesktopPane.moveToFront(plugin);
  }

  /**
   * Remove a plugin from working area.
   *
   * @param plugin
   *          Plugin to remove
   * @param askUser
   *          If plugin is the last one, ask user if we should remove current
   *          simulation also?
   */
  public void removePlugin(Plugin plugin, boolean askUser) {
    // Clear any allocated resources and remove plugin
    plugin.closePlugin();
    startedPlugins.remove(plugin);

    // Dispose plugin if it has visualizer
    if (plugin instanceof VisPlugin) {
      ((VisPlugin) plugin).dispose();
    }

    if (getSimulation() != null && askUser && startedPlugins.isEmpty()) {
      String s1 = "Remove";
      String s2 = "Cancel";
      Object[] options = { s1, s2 };
      int n = JOptionPane.showOptionDialog(frame,
          "You have an active simulation.\nDo you want to remove it?",
          "Remove current simulation?", JOptionPane.YES_NO_OPTION,
          JOptionPane.QUESTION_MESSAGE, null, options, s1);
      if (n != JOptionPane.YES_OPTION) {
        return;
      }
      doRemoveSimulation(false);
    }
  }

  /**
   * Starts a plugin of given plugin class with given arguments.
   *
   * @param pluginClass
   *          Plugin class
   * @param gui
   *          GUI passed as argument to all plugins
   * @param simulation
   *          Simulation passed as argument to mote and simulation plugins
   * @param mote
   *          Mote passed as argument to mote plugins
   * @return Start plugin if any
   */
  public Plugin startPlugin(Class<? extends Plugin> pluginClass, GUI gui,
      Simulation simulation, Mote mote) {

    // Check that plugin class is registered
    if (!pluginClasses.contains(pluginClass)) {
      logger.fatal("Plugin class not registered: " + pluginClass);
      return null;
    }

    // Check that visualizer plugin is not started without GUI
    if (!isVisualized()) {
      try {
        pluginClass.asSubclass(VisPlugin.class);

        // Cast succeded, plugin is visualizer plugin!
        logger.fatal("Can't start visualizer plugin (no GUI): " + pluginClass);
        return null;
      } catch (ClassCastException e) {
      }
    }

    // Construct plugin depending on plugin type
    Plugin newPlugin = null;
    int pluginType = pluginClass.getAnnotation(PluginType.class).value();

    try {
      if (pluginType == PluginType.MOTE_PLUGIN) {
        if (mote == null) {
          logger.fatal("Can't start mote plugin (no mote selected)");
          return null;
        }

        newPlugin = pluginClass.getConstructor(
            new Class[] { Mote.class, Simulation.class, GUI.class })
            .newInstance(mote, simulation, gui);

        // Tag plugin with mote
        newPlugin.tagWithObject(mote);
      } else if (pluginType == PluginType.SIM_PLUGIN
          || pluginType == PluginType.SIM_STANDARD_PLUGIN) {
        if (simulation == null) {
          logger.fatal("Can't start simulation plugin (no simulation)");
          return null;