public function getChangesActionAttribute()
    {
        // If there are changes, add the modal button
        if ($this->changed) {
            return sprintf('<a href="%s"
                class="glyphicon glyphicon-export js-tooltip changes-modal-link"
                title="%s" data-placement="left"></a>',
                DecoyURL::action('changes@edit', $this->id),
                __('decoy::changes.standard_list.view'));
        }

        // Else, show a disabled button
        else {
            return sprintf('<span
            class="glyphicon glyphicon-export js-tooltip"
            title="%s" data-placement="left"></span>', __('decoy::changes.standard_list.no_changed'));
        }
    }