Initializes the Component ui.

        :return: Method success.
        :rtype: bool

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