docs: def initialize_ui(self):
          """
          Initializes the Component ui.
  
          :return: Method success.
          :rtype: bool
          """
  
          LOGGER.debug("> Initializing '{0}' Component ui.".format(self.__class__.__name__))
  
          self.Trace_Modules_Filter_lineEdit = Search_QLineEdit(self)
          self.Trace_Modules_Filter_lineEdit.search_active_label.hide()
          self.Trace_Modules_Filter_lineEdit.setPlaceholderText("Objects Trace Filter ...")
          self.Trace_Modules_Filter_horizontalLayout.addWidget(self.Trace_Modules_Filter_lineEdit)
  
          self.__model = ModulesModel(self, horizontal_headers=self.__headers)
  
          self.Modules_treeView.setParent(None)
          self.Modules_treeView = Modules_QTreeView(self, self.__model)
          self.Modules_treeView.setObjectName("Modules_treeView")
          self.Modules_treeView.setContextMenuPolicy(Qt.ActionsContextMenu)
          self.Trace_Ui_dockWidgetContents_gridLayout.addWidget(self.Modules_treeView, 0, 0)
          self.__view = self.Modules_treeView
          self.__view_add_actions()
  
          self.set_modules()
  
          # Signals / Slots.
          self.refresh_nodes.connect(self.__model__refresh_nodes)
  
          self.initialized_ui = True
          return True