<?php
/**
* product_prev_next.php
*
* @package productTypes
* @copyright Copyright 2003-2006 Zen Cart Development Team
* @copyright Portions Copyright 2003 osCommerce
* @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
* @version $Id: product_prev_next.php 6912 2007-09-02 02:23:45Z drbyte $
*/
}
// bof: previous next
if (PRODUCT_INFO_PREVIOUS_NEXT != 0) {
// sort order
switch(PRODUCT_INFO_PREVIOUS_NEXT_SORT) {
case (0):
$prev_next_order= ' order by LPAD(p.products_id,11,"0")';
break;
case (1):
$prev_next_order= " order by pd.products_name";
break;
case (2):
$prev_next_order= " order by p.products_model";
break;
case (3):
$prev_next_order= " order by p.products_price_sorter, pd.products_name";
break;
case (4):
$prev_next_order= " order by p.products_price_sorter, p.products_model";
break;
case (5):
$prev_next_order= " order by pd.products_name, p.products_model";
break;
case (6):
$prev_next_order= ' order by LPAD(p.products_sort_order,11,"0"), pd.products_name';
break;
default:
$prev_next_order= " order by pd.products_name";
break;
}
/*
if (!$current_category_id || SHOW_CATEGORIES_ALWAYS == 1) {
$sql = "SELECT categories_id
from " . TABLE_PRODUCTS_TO_CATEGORIES . "
where products_id ='" . (int)$_GET['products_id']
. "'";
$cPath_row = $db->Execute($sql);
$current_category_id = $cPath_row->fields['categories_id'];
$cPath = $current_category_id;
}
*/
// if (!$current_category_id || !$cPath) {
if ($cPath < 1) {
$cPath = zen_get_product_path((int)$_GET['products_id']);
// $_GET['$cPath'] = $cPath;
$cPath_array = zen_parse_category_path($cPath);
$cPath = implode('_', $cPath_array); $current_category_id = $cPath_array[(sizeof($cPath_array)-1)];
// $current_category_id = $cPath;
}
$sql = "select p.products_id, p.products_model, p.products_price_sorter, pd.products_name, p.products_sort_order
from " . TABLE_PRODUCTS . " p, "
. TABLE_PRODUCTS_DESCRIPTION . " pd, "
. TABLE_PRODUCTS_TO_CATEGORIES . " ptc
where p.products_status = '1' and p.products_id = pd.products_id and pd.language_id= '" . (int)$_SESSION['languages_id'] . "' and p.products_id = ptc.products_id and ptc.categories_id = '" . (int)$current_category_id . "'" .
$prev_next_order;
$products_ids = $db->Execute($sql);
$products_found_count = $products_ids->RecordCount();
while (!$products_ids->EOF) {
$id_array[] = $products_ids->fields['products_id'];
$products_ids->MoveNext();
}
// if invalid product id skip
$counter = 0;
foreach ($id_array as $key => $value) {
if ($value == (int)$_GET['products_id']) {
$position = $counter;
if ($key == 0) {
$previous = -1; // it was the first to be found
} else {
$previous = $id_array[$key - 1];
}
if (isset($id_array[$key + 1]) && $id_array[$key + 1]) { $next_item = $id_array[$key + 1];
} else {
$next_item = $id_array[0];
}
}
$last = $value;
$counter++;
}
if ($previous == -1) $previous = $last;
$sql = "select categories_name
from " . TABLE_CATEGORIES_DESCRIPTION . "
where categories_id = " . (int)$current_category_id . " AND language_id = '" . (int)$_SESSION['languages_id'] . "'";
$category_name_row = $db->Execute($sql);
} // if is_array
// previous_next button and product image settings
// include products_image status 0 = off 1= on
// 0 = button only 1= button and product image 2= product image only
$previous_button = zen_image_button(BUTTON_IMAGE_PREVIOUS, BUTTON_PREVIOUS_ALT);
$next_item_button = zen_image_button(BUTTON_IMAGE_NEXT, BUTTON_NEXT_ALT);
$previous_image = zen_get_products_image($previous, PREVIOUS_NEXT_IMAGE_WIDTH, PREVIOUS_NEXT_IMAGE_HEIGHT);
$next_item_image = zen_get_products_image($next_item, PREVIOUS_NEXT_IMAGE_WIDTH, PREVIOUS_NEXT_IMAGE_HEIGHT);
if (SHOW_PREVIOUS_NEXT_STATUS == 0) {
$previous_image = '';
$next_item_image = '';
} else {
if (SHOW_PREVIOUS_NEXT_IMAGES >= 1) {
if (SHOW_PREVIOUS_NEXT_IMAGES == 2) {
$previous_button = '';
$next_item_button = '';
}
if ($previous == $next_item) {
$previous_image = '';
$next_item_image = '';
}
} else {
$previous_image = '';
$next_item_image = '';
}
}
}
// eof: previous next
?>
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