+ //
+ // project configuration
+ //
+
+ /**
+ * Notifies a listener that loading the projects finished successfully.
+ *
+ * @param directory
+ * The directory the nodes were loaded from
+ */
+ public void loadingProjectsDone(String directory);
+
+ /**
+ * Notifies all listeners that loading the projects has failed.
+ *
+ * @param directory
+ * The directory the projects were tried to load from
+ * @param throwable
+ * The exception that occured while saving, if any
+ */
+ public void loadingProjectsFailed(String directory, Throwable throwable);
+
+ /**
+ * Notifies a listener that the projects were successfully saved to the
+ * given directory.
+ *
+ * @param directory
+ * The directory the projects were saved to
+ */
+ public void savingProjectsDone(String directory);
+
+ /**
+ * Notifies a listener that saving the projects has failed.
+ *
+ * @param directory
+ * The directory the projects were to be saved to
+ * @param throwable
+ * The exception that occured when saving the projects, if any
+ */
+ public void savingProjectsFailed(String directory, Throwable throwable);
+
+ /**
+ * Notifies a listener that the given project was added.
+ *
+ * @param project
+ * The project that was added.
+ */
+ public void projectAdded(Project project);
+
+ /**
+ * Notifies a listener that a project was cloned.
+ *
+ * @param clonedProject
+ * The clones project
+ * @param projectClone
+ * The clone of the project
+ */
+ public void projectCloned(Project clonedProject, Project projectClone);
+
+ /**
+ * Notifies a listener that the given project was removed.
+ *
+ * @param project
+ * The project that was removed.
+ */
+ public void projectRemoved(Project project);
+
+ //
+ // node configuration
+ //
+
+ /**
+ * Notifies a listener that the nodes were successfully loaded.
+ *
+ * @param directory
+ * The directory the nodes were loaded from
+ */
+ public void loadingNodesDone(String directory);
+
+ /**
+ * Notifies a listener that loading the nodes has failed.
+ *
+ * @param directory
+ * The directory the nodes were loaded from
+ * @param throwable
+ * The exception that occured while loading the nodes
+ */
+ public void loadingNodesFailed(String directory, Throwable throwable);
+
+ /**
+ * Notifies a listener that the nodes were successfully saved.
+ *
+ * @param directory
+ * The directory the nodes were saved to
+ */
+ public void savingNodesDone(String directory);
+
+ /**
+ * Notifies a listener that saving the nodes has failed.
+ *
+ * @param directory
+ * The directory the nodes were saved to
+ * @param throwable
+ * The exception that occured while saving the nodes
+ */
+ public void savingNodesFailed(String directory, Throwable throwable);
+
+ //
+ // basic core functionality
+ //
+