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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');/*** CodeIgniter** An open source application development framework for PHP 4.3.2 or newer** @package CodeIgniter* @author ExpressionEngine Dev Team* @copyright Copyright (c) 2008, EllisLab, Inc.* @license http://codeigniter.com/user_guide/license.html* @link http://codeigniter.com* @since Version 1.0* @filesource*/// ------------------------------------------------------------------------/*** Pagination Class** @package CodeIgniter* @subpackage Libraries* @category Pagination* @author ExpressionEngine Dev Team* @link http://codeigniter.com/user_guide/libraries/pagination.html*/class CI_Pagination {var $base_url = ''; // The page we are linking tovar $total_rows = ''; // Total number of items (database results)var $per_page = 10; // Max number of items you want shown per pagevar $num_links = 2; // Number of "digit" links to show before/after the currently viewed pagevar $cur_page = 0; // The current page being viewedvar $first_link = '‹ First';var $next_link = '>';var $prev_link = '<';var $last_link = 'Last ›';var $uri_segment = 3;var $full_tag_open = '';var $full_tag_close = '';var $first_tag_open = '';var $first_tag_close = ' ';var $last_tag_open = ' ';var $last_tag_close = '';var $cur_tag_open = ' <b>';var $cur_tag_close = '</b>';var $next_tag_open = ' ';var $next_tag_close = ' ';var $prev_tag_open = ' ';var $prev_tag_close = '';var $num_tag_open = ' ';var $num_tag_close = '';var $page_query_string = FALSE;var $query_string_segment = 'per_page';/*** Constructor** @access public* @param array initialization parameters*/function CI_Pagination($params = array()){if (count($params) > 0){$this->initialize($params);}log_message('debug', "Pagination Class Initialized");}// --------------------------------------------------------------------/*** Initialize Preferences** @access public* @param array initialization parameters* @return void*/function initialize($params = array()){if (count($params) > 0){foreach ($params as $key => $val){if (isset($this->$key)){$this->$key = $val;}}}}// --------------------------------------------------------------------/*** Generate the pagination links** @access public* @return string*/function create_links(){// If our item count or per-page total is zero there is no need to continue.if ($this->total_rows == 0 OR $this->per_page == 0){return '';}// Calculate the total number of pages$num_pages = ceil($this->total_rows / $this->per_page);// Is there only one page? Hm... nothing more to do here then.if ($num_pages == 1){return '';}// Determine the current page number.$CI =& get_instance();if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE){if ($CI->input->get($this->query_string_segment) != 0){$this->cur_page = $CI->input->get($this->query_string_segment);// Prep the current page - no funny business!$this->cur_page = (int) $this->cur_page;}}else{if ($CI->uri->segment($this->uri_segment) != 0){$this->cur_page = $CI->uri->segment($this->uri_segment);// Prep the current page - no funny business!$this->cur_page = (int) $this->cur_page;}}$this->num_links = (int)$this->num_links;if ($this->num_links < 1){show_error('Your number of links must be a positive number.');}if ( ! is_numeric($this->cur_page)){$this->cur_page = 0;}// Is the page number beyond the result range?// If so we show the last pageif ($this->cur_page > $this->total_rows){$this->cur_page = ($num_pages - 1) * $this->per_page;}$uri_page_number = $this->cur_page;$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);// Calculate the start and end numbers. These determine// which number to start and end the digit links with$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;$end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;// Is pagination being used over GET or POST? If get, add a per_page query// string. If post, add a trailing slash to the base URL if neededif ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE){$this->base_url = rtrim($this->base_url).'&'.$this->query_string_segment.'=';}else{$this->base_url = rtrim($this->base_url, '/') .'/';}// And here we go...$output = '';// Render the "First" linkif ($this->cur_page > ($this->num_links + 1)){$output .= $this->first_tag_open.'<a href="'.$this->base_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;}// Render the "previous" linkif ($this->cur_page != 1){$i = $uri_page_number - $this->per_page;if ($i == 0) $i = '';$output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;}// Write the digit linksfor ($loop = $start -1; $loop <= $end; $loop++){$i = ($loop * $this->per_page) - $this->per_page;if ($i >= 0){if ($this->cur_page == $loop){$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page}else{$n = ($i == 0) ? '' : $i;$output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;}}}// Render the "next" linkif ($this->cur_page < $num_pages){$output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;}// Render the "Last" linkif (($this->cur_page + $this->num_links) < $num_pages){$i = (($num_pages * $this->per_page) - $this->per_page);$output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;}// Kill double slashes. Note: Sometimes we can end up with a double slash// in the penultimate link so we'll kill all double slashes.$output = preg_replace("#([^:])//+#", "\\1/", $output);// Add the wrapper HTML if exists$output = $this->full_tag_open.$output.$this->full_tag_close;return $output;}}// END Pagination Class/* End of file Pagination.php *//* Location: ./system/libraries/Pagination.php */