def toggle_logo_path(self):
        """Set state of logo path line edit and button."""
        is_checked = self.custom_organisation_logo_check_box.isChecked()
        if is_checked:
            # Use previous org logo path
            path = setting(
                key='organisation_logo_path',
                default=supporters_logo_path(),
                expected_type=str,
                qsettings=self.settings)
        else:
            # Set organisation path line edit to default one
            path = supporters_logo_path()

        self.organisation_logo_path_line_edit.setText(path)
        self.organisation_logo_path_line_edit.setEnabled(is_checked)
        self.open_organisation_logo_path_button.setEnabled(is_checked)
Set state of logo path line edit and button.