docs: def register_view(self, view):
          """Called when the View was registered
  
          Can be used e.g. to connect signals. Here, the destroy signal is connected to close the application
  
          :param rafcon.gui.views.state_editor.overview.StateOverviewView view: A state overview view instance
          """
          # prepare State Type Change ComboBox
          super(StateOverviewController, self).register_view(view)
          self.allowed_state_classes = self.get_allowed_state_classes(self.model.state)
  
          view['entry_name'].connect('focus-out-event', self.on_focus_out)
          view['entry_name'].connect('key-press-event', self.check_for_enter)
          if self.model.state.name:
              view['entry_name'].set_text(self.model.state.name)
          view['label_id_value'].set_text(self.model.state.state_id)
  
          l_store = Gtk.ListStore(GObject.TYPE_STRING)
          combo = Gtk.ComboBoxText()
          combo.set_name("state_type_combo")
          combo.set_focus_on_click(False)
          combo.set_model(l_store)
          combo.show_all()
          view['type_viewport'].add(combo)
          view['type_viewport'].show()
  
          # Prepare label for state_name -> Library states cannot be changed
          if isinstance(self.model, LibraryStateModel):
              l_store.prepend(['LIBRARY'])
              combo.set_sensitive(False)
  
              self.view['library_path'].set_text(self.model.state.library_path + "/" + self.model.state.library_name)
              self.view['library_path'].set_sensitive(True)
              self.view['library_path'].set_editable(False)
              view['show_content_checkbutton'].set_active(self.model.meta['gui']['show_content'] is True)
              view['show_content_checkbutton'].connect('toggled', self.on_toggle_show_content)
              # self.view['properties_widget'].remove(self.view['show_content_checkbutton'])
          else:
              self.view['properties_widget'].remove(self.view['label_library_path'])
              self.view['properties_widget'].remove(self.view['library_path'])
              self.view['properties_widget'].remove(self.view['label_show_content'])
              self.view['properties_widget'].remove(self.view['show_content_checkbutton'])
              self.view['properties_widget'].resize(2, 5)
  
              for state_class in self.allowed_state_classes:
                  if isinstance(self.model.state, state_class):
                      l_store.prepend([state_class.__name__])
                  else:
                      l_store.append([state_class.__name__])
  
          combo.set_active(0)
          view['type_combobox'] = combo
          view['type_combobox'].connect('changed', self.change_type)
  
          # Prepare "is start state check button"
          has_no_start_state_state_types = [BarrierConcurrencyState, PreemptiveConcurrencyState]
          if not self.with_is_start_state_check_box or isinstance(self.model.state, DeciderState) or \
                  self.model.state.is_root_state or type(self.model.parent.state) in has_no_start_state_state_types:
              view['is_start_state_checkbutton'].destroy()
          else:
              view['is_start_state_checkbutton'].set_active(bool(self.model.is_start))
              view['is_start_state_checkbutton'].connect('toggled', self.on_toggle_is_start_state)
  
          if isinstance(self.model.state, DeciderState):
              combo.set_sensitive(False)
  
          # in case the state is inside of a library
          if self.model.state.get_next_upper_library_root_state():
              view['entry_name'].set_editable(False)
              combo.set_sensitive(False)
              view['is_start_state_checkbutton'].set_sensitive(False)
              if isinstance(self.model, LibraryStateModel):
                  self.view['show_content_checkbutton'].set_sensitive(False)