whitesosa

<?php
/*
$Id: split_page_results.php 1739 2007-12-20 00:52:16Z hpdl $

osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com

Copyright © 2003 osCommerce

Released under the GNU General Public License
*/

class splitPageResults {
var $sql_query, $number_of_rows, $current_page_number, $number_of_pages, $number_of_rows_per_page, $page_name;

/* class constructor */
function splitPageResults($query, $max_rows, $count_key = '*', $page_holder = 'page') {
global $HTTP_GET_VARS, $HTTP_POST_VARS;

$this->sql_query = $query;
$this->page_name = $page_holder;

if (isset($HTTP_GET_VARS[$page_holder])) {
$page = $HTTP_GET_VARS[$page_holder];
} elseif (isset($HTTP_POST_VARS[$page_holder])) {
$page = $HTTP_POST_VARS[$page_holder];
} else {
$page = '';
}

if (empty($page) || !is_numeric($page)) $page = 1;
$this->current_page_number = $page;

$this->number_of_rows_per_page = $max_rows;

$pos_to = strlen($this->sql_query);
$pos_from = strpos($this->sql_query, ' from', 0);

$pos_group_by = strpos($this->sql_query, ' group by', $pos_from);
if (($pos_group_by < $pos_to) && ($pos_group_by != false)) $pos_to = $pos_group_by;

$pos_having = strpos($this->sql_query, ' having', $pos_from);
if (($pos_having < $pos_to) && ($pos_having != false)) $pos_to = $pos_having;

$pos_order_by = strpos($this->sql_query, ' order by', $pos_from);
if (($pos_order_by < $pos_to) && ($pos_order_by != false)) $pos_to = $pos_order_by;

if (strpos($this->sql_query, 'distinct') || strpos($this->sql_query, 'group by')) {
$count_string = 'distinct ' . tep_db_input($count_key);
} else {
$count_string = tep_db_input($count_key);
}

$count_query = tep_db_query("select count(" . $count_string . ") as total " . substr($this->sql_query, $pos_from, ($pos_to - $pos_from)));
$count = tep_db_fetch_array($count_query);

$this->number_of_rows = $count['total'];

$this->number_of_pages = ceil($this->number_of_rows / $this->number_of_rows_per_page);

if ($this->current_page_number > $this->number_of_pages) {
$this->current_page_number = $this->number_of_pages;
}

$offset = ($this->number_of_rows_per_page * ($this->current_page_number - 1));

$this->sql_query .= " limit " . max($offset, 0) . ", " . $this->number_of_rows_per_page;
}

/* class functions */

// display split-page-number-links
function display_links($max_page_links, $parameters = '') {
global $PHP_SELF, $request_type;

$display_links_string = '';

$class = 'class="pageResults"';

if (tep_not_null($parameters) && (substr($parameters, -1) != '&')) $parameters .= '&';

// previous button - not displayed on first page
if ($this->current_page_number > 1) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . ($this->current_page_number - 1), $request_type) . '" class="pageResults" title=" ' . PREVNEXT_TITLE_PREVIOUS_PAGE . ' "><u>' . PREVNEXT_BUTTON_PREV . '</u></a>&nbsp;&nbsp;';

// check if number_of_pages > $max_page_links
$cur_window_num = intval($this->current_page_number / $max_page_links);
if ($this->current_page_number % $max_page_links) $cur_window_num++;

$max_window_num = intval($this->number_of_pages / $max_page_links);
if ($this->number_of_pages % $max_page_links) $max_window_num++;

// previous window of pages
if ($cur_window_num > 1) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . (($cur_window_num - 1) * $max_page_links), $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_PREV_SET_OF_NO_PAGE, $max_page_links) . ' ">...</a>';

// page nn button
for ($jump_to_page = 1 + (($cur_window_num - 1) * $max_page_links); ($jump_to_page <= ($cur_window_num * $max_page_links)) && ($jump_to_page <= $this->number_of_pages); $jump_to_page++) {
if ($jump_to_page == $this->current_page_number) {
$display_links_string .= '&nbsp;<b>' . $jump_to_page . '</b>&nbsp;';
} else {
$display_links_string .= '&nbsp;<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . $jump_to_page, $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_PAGE_NO, $jump_to_page) . ' "><u>' . $jump_to_page . '</u></a>&nbsp;';
}
}

// next window of pages
if ($cur_window_num < $max_window_num) $display_links_string .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $this->page_name . '=' . (($cur_window_num) * $max_page_links + 1), $request_type) . '" class="pageResults" title=" ' . sprintf(PREVNEXT_TITLE_NEXT_SET_OF_NO_PAGE, $max_page_links) . ' ">...</a>&nbsp;';

// next button
if (($this->current_page_number < $this->number_of_pages) && ($this->number_of_pages != 1)) $display_links_string .= '&nbsp;<a href="' . tep_href_link(basename($PHP_SELF), $parameters . 'page=' . ($this->current_page_number + 1), $request_type) . '" class="pageResults" title=" ' . PREVNEXT_TITLE_NEXT_PAGE . ' "><u>' . PREVNEXT_BUTTON_NEXT . '</u></a>&nbsp;';

return $display_links_string;
}

// display number of total products found
function display_count($text_output) {
$to_num = ($this->number_of_rows_per_page * $this->current_page_number);
if ($to_num > $this->number_of_rows) $to_num = $this->number_of_rows;

$from_num = ($this->number_of_rows_per_page * ($this->current_page_number - 1));

if ($to_num == 0) {
$from_num = 0;
} else {
$from_num++;
}

return sprintf($text_output, $from_num, $to_num, $this->number_of_rows);
}
}
?>

<?php
/*
$Id: split_page_results.php 1739 2007-12-20 00:52:16Z hpdl $

osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com

Copyright © 2002 osCommerce

Released under the GNU General Public License
*/

class splitPageResults {
function splitPageResults(&$current_page_number, $max_rows_per_page, &$sql_query, &$query_num_rows) {
if (empty($current_page_number)) $current_page_number = 1;

$pos_to = strlen($sql_query);
$pos_from = strpos($sql_query, ' from', 0);

$pos_group_by = strpos($sql_query, ' group by', $pos_from);
if (($pos_group_by < $pos_to) && ($pos_group_by != false)) $pos_to = $pos_group_by;

$pos_having = strpos($sql_query, ' having', $pos_from);
if (($pos_having < $pos_to) && ($pos_having != false)) $pos_to = $pos_having;

$pos_order_by = strpos($sql_query, ' order by', $pos_from);
if (($pos_order_by < $pos_to) && ($pos_order_by != false)) $pos_to = $pos_order_by;

$reviews_count_query = tep_db_query("select count(*) as total " . substr($sql_query, $pos_from, ($pos_to - $pos_from)));
$reviews_count = tep_db_fetch_array($reviews_count_query);
$query_num_rows = $reviews_count['total'];

$num_pages = ceil($query_num_rows / $max_rows_per_page);
if ($current_page_number > $num_pages) {
$current_page_number = $num_pages;
}
$offset = ($max_rows_per_page * ($current_page_number - 1));
if ($offset < 0)
{
$offset = 0 ;
}
$sql_query .= " limit " . max($offset, 0) . ", " . $max_rows_per_page;
}

function display_links($query_numrows, $max_rows_per_page, $max_page_links, $current_page_number, $parameters = '', $page_name = 'page') {
global $PHP_SELF;

if ( tep_not_null($parameters) && (substr($parameters, -1) != '&') ) $parameters .= '&';

// calculate number of pages needing links
$num_pages = ceil($query_numrows / $max_rows_per_page);

$pages_array = array();
for ($i=1; $i<=$num_pages; $i++) {
$pages_array[] = array('id' => $i, 'text' => $i);
}

if ($num_pages > 1) {
$display_links = tep_draw_form('pages', basename($PHP_SELF), '', 'get');

if ($current_page_number > 1) {
$display_links .= '<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $page_name . '=' . ($current_page_number - 1), 'NONSSL') . '" class="splitPageLink">' . PREVNEXT_BUTTON_PREV . '</a>&nbsp;&nbsp;';
} else {
$display_links .= PREVNEXT_BUTTON_PREV . '&nbsp;&nbsp;';
}

$display_links .= sprintf(TEXT_RESULT_PAGE, tep_draw_pull_down_menu($page_name, $pages_array, $current_page_number, 'onChange="this.form.submit();"'), $num_pages);

if (($current_page_number < $num_pages) && ($num_pages != 1)) {
$display_links .= '&nbsp;&nbsp;<a href="' . tep_href_link(basename($PHP_SELF), $parameters . $page_name . '=' . ($current_page_number + 1), 'NONSSL') . '" class="splitPageLink">' . PREVNEXT_BUTTON_NEXT . '</a>';
} else {
$display_links .= '&nbsp;&nbsp;' . PREVNEXT_BUTTON_NEXT;
}

if ($parameters != '') {
if (substr($parameters, -1) == '&') $parameters = substr($parameters, 0, -1);
$pairs = explode('&', $parameters);
while (list(, $pair) = each($pairs)) {
list($key,$value) = explode('=', $pair);
$display_links .= tep_draw_hidden_field(rawurldecode($key), rawurldecode($value));
}
}

$display_links .= tep_hide_session_id() . '</form>';
} else {
$display_links = sprintf(TEXT_RESULT_PAGE, $num_pages, $num_pages);
}

return $display_links;
}

function display_count($query_numrows, $max_rows_per_page, $current_page_number, $text_output) {
$to_num = ($max_rows_per_page * $current_page_number);
if ($to_num > $query_numrows) $to_num = $query_numrows;
$from_num = ($max_rows_per_page * ($current_page_number - 1));
if ($to_num == 0) {
$from_num = 0;
} else {
$from_num++;
}

return sprintf($text_output, $from_num, $to_num, $query_numrows);
}
}
?>