configurator.py 文件源码

def refresh_treeview(self):
        """
        Clears the Treeview and repopulates it with the current contents of the tree.
        """
        # clear the entries in the Treeview
        for x in self.treeview.get_children():
            self.treeview.delete(x)

        # clear the id-element dictionary
        # elements may be given new id's after repopulation
        self.element_dict.clear()

        # repopulate
        if self.root_element is not None:
            self.populate_tree(self.root_element)