diff options
Diffstat (limited to 'system/libraries/Pagination.php')
| -rw-r--r-- | system/libraries/Pagination.php | 201 |
1 files changed, 83 insertions, 118 deletions
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php index cdaacf2d4..35ac541e8 100644 --- a/system/libraries/Pagination.php +++ b/system/libraries/Pagination.php @@ -1,13 +1,25 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource @@ -21,44 +33,43 @@ * @package CodeIgniter * @subpackage Libraries * @category Pagination - * @author ExpressionEngine Dev Team + * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/libraries/pagination.html */ class CI_Pagination { - var $base_url = ''; // The page we are linking to - var $prefix = ''; // A custom prefix added to the path. - var $suffix = ''; // A custom suffix added to the path. - - var $total_rows = 0; // 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 $use_page_numbers = FALSE; // Use page number for segment instead of offset - 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 $first_url = ''; // Alternative URL for the First Page. - 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'; - var $display_pages = TRUE; - var $anchor_class = ''; + protected $base_url = ''; // The page we are linking to + protected $prefix = ''; // A custom prefix added to the path. + protected $suffix = ''; // A custom suffix added to the path. + protected $total_rows = 0; // Total number of items (database results) + protected $per_page = 10; // Max number of items you want shown per page + protected $num_links = 2; // Number of "digit" links to show before/after the currently viewed page + protected $cur_page = 0; // The current page being viewed + protected $use_page_numbers = FALSE; // Use page number for segment instead of offset + protected $first_link = '‹ First'; + protected $next_link = '>'; + protected $prev_link = '<'; + protected $last_link = 'Last ›'; + protected $uri_segment = 3; + protected $full_tag_open = ''; + protected $full_tag_close = ''; + protected $first_tag_open = ''; + protected $first_tag_close = ' '; + protected $last_tag_open = ' '; + protected $last_tag_close = ''; + protected $first_url = ''; // Alternative URL for the First Page. + protected $cur_tag_open = ' <strong>'; + protected $cur_tag_close = '</strong>'; + protected $next_tag_open = ' '; + protected $next_tag_close = ' '; + protected $prev_tag_open = ' '; + protected $prev_tag_close = ''; + protected $num_tag_open = ' '; + protected $num_tag_close = ''; + protected $page_query_string = FALSE; + protected $query_string_segment = 'per_page'; + protected $display_pages = TRUE; + protected $anchor_class = ''; /** * Constructor @@ -68,16 +79,7 @@ class CI_Pagination { */ public function __construct($params = array()) { - if (count($params) > 0) - { - $this->initialize($params); - } - - if ($this->anchor_class != '') - { - $this->anchor_class = 'class="'.$this->anchor_class.'" '; - } - + $this->initialize($params); log_message('debug', "Pagination Class Initialized"); } @@ -90,7 +92,7 @@ class CI_Pagination { * @param array initialization parameters * @return void */ - function initialize($params = array()) + public function initialize($params = array()) { if (count($params) > 0) { @@ -102,6 +104,11 @@ class CI_Pagination { } } } + + if ($this->anchor_class != '') + { + $this->anchor_class = 'class="'.$this->anchor_class.'" '; + } } // -------------------------------------------------------------------- @@ -112,7 +119,7 @@ class CI_Pagination { * @access public * @return string */ - function create_links() + public 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) @@ -121,66 +128,51 @@ class CI_Pagination { } // Calculate the total number of pages - $num_pages = ceil($this->total_rows / $this->per_page); + $num_pages = (int) ceil($this->total_rows / $this->per_page); // Is there only one page? Hm... nothing more to do here then. - if ($num_pages == 1) + if ($num_pages === 1) { return ''; } // Set the base page index for starting page number - if ($this->use_page_numbers) - { - $base_page = 1; - } - else - { - $base_page = 0; - } + $base_page = ($this->use_page_numbers) ? 1 : 0; // Determine the current page number. $CI =& get_instance(); + // See if we are using a prefix or suffix on links + if ($this->prefix != '' OR $this->suffix != '') + { + $this->cur_page = (int) str_replace(array($this->prefix, $this->suffix), '', $CI->uri->segment($this->uri_segment)); + } + if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE) { if ($CI->input->get($this->query_string_segment) != $base_page) { - $this->cur_page = $CI->input->get($this->query_string_segment); - - // Prep the current page - no funny business! - $this->cur_page = (int) $this->cur_page; + $this->cur_page = (int) $CI->input->get($this->query_string_segment); } } - else + elseif ( ! $this->cur_page AND $CI->uri->segment($this->uri_segment) != $base_page) { - if ($CI->uri->segment($this->uri_segment) != $base_page) - { - $this->cur_page = $CI->uri->segment($this->uri_segment); - - // Prep the current page - no funny business! - $this->cur_page = (int) $this->cur_page; - } + $this->cur_page = (int) $CI->uri->segment($this->uri_segment); } - - // Set current page to 1 if using page numbers instead of offset - if ($this->use_page_numbers AND $this->cur_page == 0) + + // Set current page to 1 if it's not valid or if using page numbers instead of offset + if ( ! is_numeric($this->cur_page) OR ($this->use_page_numbers AND $this->cur_page == 0)) { $this->cur_page = $base_page; } - $this->num_links = (int)$this->num_links; + $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 = $base_page; - } - // Is the page number beyond the result range? // If so we show the last page if ($this->use_page_numbers) @@ -199,7 +191,7 @@ class CI_Pagination { } $uri_page_number = $this->cur_page; - + if ( ! $this->use_page_numbers) { $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); @@ -234,22 +226,15 @@ class CI_Pagination { // Render the "previous" link if ($this->prev_link !== FALSE AND $this->cur_page != 1) { - if ($this->use_page_numbers) - { - $i = $uri_page_number - 1; - } - else - { - $i = $uri_page_number - $this->per_page; - } + $i = ($this->use_page_numbers) ? $uri_page_number - 1 : $uri_page_number - $this->per_page; - if ($i == 0 && $this->first_url != '') + if ($i == $base_page AND $this->first_url != '') { $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->first_url.'">'.$this->prev_link.'</a>'.$this->prev_tag_close; } else { - $i = ($i == 0) ? '' : $this->prefix.$i.$this->suffix; + $i = ($i == $base_page) ? '' : $this->prefix.$i.$this->suffix; $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close; } @@ -261,14 +246,7 @@ class CI_Pagination { // Write the digit links for ($loop = $start -1; $loop <= $end; $loop++) { - if ($this->use_page_numbers) - { - $i = $loop; - } - else - { - $i = ($loop * $this->per_page) - $this->per_page; - } + $i = ($this->use_page_numbers) ? $loop : ($loop * $this->per_page) - $this->per_page; if ($i >= $base_page) { @@ -298,14 +276,7 @@ class CI_Pagination { // Render the "next" link if ($this->next_link !== FALSE AND $this->cur_page < $num_pages) { - if ($this->use_page_numbers) - { - $i = $this->cur_page + 1; - } - else - { - $i = ($this->cur_page * $this->per_page); - } + $i = ($this->use_page_numbers) ? $this->cur_page + 1 : $this->cur_page * $this->per_page; $output .= $this->next_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close; } @@ -313,18 +284,12 @@ class CI_Pagination { // Render the "Last" link if ($this->last_link !== FALSE AND ($this->cur_page + $this->num_links) < $num_pages) { - if ($this->use_page_numbers) - { - $i = $num_pages; - } - else - { - $i = (($num_pages * $this->per_page) - $this->per_page); - } + $i = ($this->use_page_numbers) ? $num_pages : ($num_pages * $this->per_page) - $this->per_page; + $output .= $this->last_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.$i.$this->suffix.'">'.$this->last_link.'</a>'.$this->last_tag_close; } - // Kill double slashes. Note: Sometimes we can end up with a double slash + // 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); @@ -337,4 +302,4 @@ class CI_Pagination { // END Pagination Class /* End of file Pagination.php */ -/* Location: ./system/libraries/Pagination.php */
\ No newline at end of file +/* Location: ./system/libraries/Pagination.php */ |