PHP action_menu::will_be_enhanced示例

    /**
     * Export for template.
     *
     * @param renderer_base $output The renderer.
     * @return stdClass
     */
    public function export_for_template(renderer_base $output) {
        static $instance = 1;

        $data = parent::export_for_template($output);
        $data->instance = $instance++;

        // Ignore what the parent did with the attributes, except for ID and class.
        $data->attributes = [];
        $attributes = $this->attributes;
        unset($attributes['id']);
        unset($attributes['class']);

        // Handle text being a renderable.
        $comparetoalt = $this->text;
        if ($this->text instanceof renderable) {
            $data->text = $this->render($this->text);
            $comparetoalt = '';
        }
        $comparetoalt = (string) $comparetoalt;

        $data->showtext = (!$this->icon || $this->primary === false);

        $data->icon = null;
        if ($this->icon) {
            $icon = $this->icon;
            if ($this->primary || !$this->actionmenu->will_be_enhanced()) {
                $attributes['title'] = $data->text;
            }
            if (!$this->primary && $this->actionmenu->will_be_enhanced()) {
                if ((string) $icon->attributes['alt'] === $comparetoalt) {
                    $icon->attributes['alt'] = '';
                }
                if (isset($icon->attributes['title']) && (string) $icon->attributes['title'] === $comparetoalt) {
                    unset($icon->attributes['title']);
                }
            }
            $data->icon = $icon ? $icon->export_for_template($output) : null;
        }

        $data->disabled = !empty($attributes['disabled']);
        unset($attributes['disabled']);

        $data->attributes = array_map(function($key, $value) {
            return [
                'name' => $key,
                'value' => $value
            ];
        }, array_keys($attributes), $attributes);

        return $data;
    }