/**
     * Condition group.
     *
     * Output the HTML of a new condition group.
     *
     * @since 1.0.0
     */
    public function add_condition_group()
    {
        check_ajax_referer('wpc-ajax-nonce', 'nonce');
        $group = absint($_POST['group']);
        ?>
<div class='wpc-condition-group wpc-condition-group-<?php 
        echo $group;
        ?>
' data-group='<?php 
        echo $group;
        ?>
'>

		<p class='or-match'><?php 
        _e('Or match all of the following rules to apply the validation rule:', 'woocommerce-advanced-shipping-validation');
        ?>
</p><?php 
        $wp_condition = new WCASV_Condition(null, $group);
        $wp_condition->output_condition_row();
        ?>
</div>

		<p class='or-text'><strong><?php 
        _e('Or', 'woocommerce-advanced-shipping-validation');
        ?>
</strong></p><?php 
        die;
    }
        _e('Or match all of the following rules to apply the validation rule:', 'woocommerce-advanced-shipping-validation');
        ?>
</p><?php 
        foreach ($conditions as $condition_id => $condition) {
            $wp_condition = new WCASV_Condition($condition_id, $condition_group, $condition['condition'], $condition['operator'], $condition['value']);
            $wp_condition->output_condition_row();
        }
        ?>
</div>

			<p class='or-text'><strong><?php 
        _e('Or', 'woocommerce-advanced-shipping-validation');
        ?>
</strong></p><?php 
    }
} else {
    ?>
<div class='wpc-condition-group wpc-condition-group-0' data-group='0'><?php 
    $wp_condition = new WCASV_Condition();
    $wp_condition->output_condition_row();
    ?>
</div><?php 
}
?>
</div>

<a class='button wpc-condition-group-add' href='javascript:void(0);'><?php 
_e('Add \'Or\' group', 'woocommerce-advanced-shipping-validation');
?>
</a>