views_handler_field_ncs_last_comment_name.inc

<?php


/**
 * @file
 * Definition of views_handler_field_ncs_last_comment_name.
 */

/**
 * Field handler to present the name of the last comment poster.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_ncs_last_comment_name extends views_handler_field {
    
    /**
     * {@inheritdoc}
     */
    public function query() {
        // 'last_comment_name' only contains data if the user is anonymous, so join
        // in a specially related user table.
        $this->ensure_my_table();
        // Join 'users' to this table via vid.
        $join = new views_join();
        $join->construct('users', $this->table_alias, 'last_comment_uid', 'uid');
        $join->extra = array(
            array(
                'field' => 'uid',
                'operator' => '!=',
                'value' => '0',
            ),
        );
        // 'ncs_user' alias so this can work with the sort handler, below.
        // $this->user_table = $this->query
        //   ->add_relationship(NULL, $join, 'users', $this->relationship);
        $this->user_table = $this->query
            ->ensure_table('ncs_users', $this->relationship, $join);
        $this->field_alias = $this->query
            ->add_field(NULL, "COALESCE({$this->user_table}.name, {$this->table_alias}.{$this->field})", $this->table_alias . '_' . $this->field);
        $this->user_field = $this->query
            ->add_field($this->user_table, 'name');
        $this->uid = $this->query
            ->add_field($this->table_alias, 'last_comment_uid');
    }
    
    /**
     * {@inheritdoc}
     */
    public function option_definition() {
        $options = parent::option_definition();
        $options['link_to_user'] = array(
            'default' => TRUE,
            'bool' => TRUE,
        );
        return $options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function render($values) {
        if (!empty($this->options['link_to_user'])) {
            $account = new stdClass();
            $account->name = $this->get_value($values);
            $account->uid = $values->{$this->uid};
            return theme('username', array(
                'account' => $account,
            ));
        }
        else {
            return $this->sanitize_value($this->get_value($values));
        }
    }

}