<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');/** * SD_Pagination Class * * @package CodeIgniter * @subpackage Libraries * @category Pagination * @author ExpressionEngine Dev Team * @modified Alexandru Bucur (CoolGoose) -- http://alexandrubucur.com * @link http://codeigniter.com/user_guide/libraries/pagination.html */class SD_Pagination { var $base_url = ''; // The page we are linking to var $total_rows = ''; // Total number of items (database results) var $per_page = 10; // Max number of items you want shown per page var $num_links = 2; // Number of "digit" links to show before/after the currently viewed page var $cur_page = 0; // The current page being viewed var $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 = ' <strong>'; var $cur_tag_close = '</strong>'; 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 $query_string_segment = 'per_page'; /** * Constructor * * @access public * @param array initialization parameters */ function SD_Pagination($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) * $this->per_page; // 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) * $this->per_page; // 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)) { $this->cur_page = 0; } // Is the page number beyond the result range? // If so we show the last page if ($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 : $num_pages; // Is pagination being used over GET or POST? If get, add a per_page query // string. If post, add a trailing slash to the base URL if needed if ($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... $output = ''; // Render the "First" link if ($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" link if ($this->cur_page != 1) { $output .= $this->prev_tag_open.'<a href="'.$this->base_url.($this->cur_page - 2).'">'.$this->prev_link.'</a>'.$this->prev_tag_close; } // Write the digit links for ($loop = $start -1; $loop <= $end; $loop++) { $i = $loop - 1; if ($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>'.$this->num_tag_close; } } } // Render the "next" link if ($this->cur_page < $num_pages) { $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page).'">'.$this->next_link.'</a>'.$this->next_tag_close; } // Render the "Last" link if (($this->cur_page + $this->num_links) < $num_pages) { $i = $num_pages - 1; $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 SD_Pagination Class/* End of file Pagination.php *//* Location: ./system/application/libraries/sd_pagination.php */