init_class('CI_Pagination', '', $config); // ------------------------------------------------------------------------ /** * Pagination Class * * @package CodeIgniter * @subpackage Libraries * @category Pagination * @author Rick Ellis * @link http://www.codeigniter.com/user_guide/libraries/pagination.html */ class CI_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 = ' '; var $cur_tag_close = ''; var $next_tag_open = ' '; var $next_tag_close = ' '; var $prev_tag_open = ' '; var $prev_tag_close = ''; var $num_tag_open = ' '; var $num_tag_close = ''; /** * Constructor * * @access public * @param array initialization parameters */ function CI_Pagination($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 $num_pages = intval($this->total_rows / $this->per_page); // Use modulus to see if our division has a remainder.If so, add one to our page number. if ($this->total_rows % $this->per_page) { $num_pages++; } // Is there only one page? Hm... nothing more to do here then. if ($num_pages == 1) { return ''; } // Determine the current page number. $obj =& get_instance(); if ($obj->uri->segment($this->uri_segment) != 0) { $this->cur_page = $obj->uri->segment($this->uri_segment); } if ( ! is_numeric($this->cur_page)) { $this->cur_page = 0; } $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; // Add a trailing slash to the base URL if needed $this->base_url = preg_replace("/(.+?)\/*$/", "\\1/", $this->base_url); // And here we go... $output = ''; // Render the "First" link if ($this->cur_page > $this->num_links) { $output .= $this->first_tag_open.''.$this->first_link.''.$this->first_tag_close; } // Render the "previous" link if (($this->cur_page - $this->num_links) >= 0) { $i = $uri_page_number - $this->per_page; if ($i == 0) $i = ''; $output .= $this->prev_tag_open.''.$this->prev_link.''.$this->prev_tag_close; } // Write the digit links for ($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 .= $this->num_tag_open.''.$loop.''.$this->num_tag_close; } } } // Render the "next" link if ($this->cur_page < $num_pages) { $output .= $this->next_tag_open.''.$this->next_link.''.$this->next_tag_close; } // Render the "Last" link if (($this->cur_page + $this->num_links) < $num_pages) { $i = (($num_pages * $this->per_page) - $this->per_page); $output .= $this->last_tag_open.''.$this->last_link.''.$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 shashes. $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 ?>