class views_handler_field_user

class views_handler_field_user extends views_handler_field {
    
    /**
     * Override init function to provide generic option to link to user.
     */
    public function init(&$view, &$data) {
        parent::init($view, $data);
        $this->additional_fields['uid'] = 'uid';
    }
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['link_to_user'] = array(
            'default' => TRUE,
            'bool' => TRUE,
        );
        return $options;
    }
    
    /**
     * Provide link to node option.
     */
    public function options_form(&$form, &$form_state) {
        $form['link_to_user'] = array(
            '#title' => t('Link this field to its user'),
            '#description' => t("Enable to override this field's links."),
            '#type' => 'checkbox',
            '#default_value' => $this->options['link_to_user'],
        );
        parent::options_form($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function render_link($data, $values) {
        if (!empty($this->options['link_to_user']) && user_access('access user profiles') && ($uid = $this->get_value($values, 'uid')) && $data !== NULL && $data !== '') {
            $this->options['alter']['make_link'] = TRUE;
            $this->options['alter']['path'] = "user/" . $uid;
        }
        return $data;
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($values) {
        $value = $this->get_value($values);
        return $this->render_link($this->sanitize_value($value), $values);
    }

}