diff options
Diffstat (limited to 'system/libraries/Pagination.php')
| -rw-r--r-- | system/libraries/Pagination.php | 158 |
1 files changed, 96 insertions, 62 deletions
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php index cc62e660b..eea953ae4 100644 --- a/system/libraries/Pagination.php +++ b/system/libraries/Pagination.php @@ -4,10 +4,22 @@ * * 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 - 2011, 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 @@ -21,43 +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 $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 $anchor_class = ''; /** * Constructor @@ -67,16 +79,7 @@ class CI_Pagination { */ public function __construct($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"); } @@ -89,7 +92,7 @@ class CI_Pagination { * @param array initialization parameters * @return void */ - function initialize($params = array()) + public function initialize($params = array()) { if (count($params) > 0) { @@ -101,6 +104,11 @@ class CI_Pagination { } } } + + if ($this->anchor_class != '') + { + $this->anchor_class = 'class="'.$this->anchor_class.'" '; + } } // -------------------------------------------------------------------- @@ -111,7 +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) @@ -128,12 +136,15 @@ class CI_Pagination { return ''; } + // Set the base page index for starting page number + $base_page = ($this->use_page_numbers) ? 1 : 0; + // 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($this->query_string_segment) != 0) + if ($CI->input->get($this->query_string_segment) != $base_page) { $this->cur_page = $CI->input->get($this->query_string_segment); @@ -143,7 +154,7 @@ class CI_Pagination { } else { - if ($CI->uri->segment($this->uri_segment) != 0) + if ($CI->uri->segment($this->uri_segment) != $base_page) { $this->cur_page = $CI->uri->segment($this->uri_segment); @@ -152,6 +163,12 @@ class CI_Pagination { } } + // Set current page to 1 if using page numbers instead of offset + if ($this->use_page_numbers AND $this->cur_page == 0) + { + $this->cur_page = $base_page; + } + $this->num_links = (int)$this->num_links; if ($this->num_links < 1) @@ -161,18 +178,32 @@ class CI_Pagination { if ( ! is_numeric($this->cur_page)) { - $this->cur_page = 0; + $this->cur_page = $base_page; } // Is the page number beyond the result range? // If so we show the last page - if ($this->cur_page > $this->total_rows) + if ($this->use_page_numbers) + { + if ($this->cur_page > $num_pages) + { + $this->cur_page = $num_pages; + } + } + else { - $this->cur_page = ($num_pages - 1) * $this->per_page; + if ($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); + + if ( ! $this->use_page_numbers) + { + $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); + } // Calculate the start and end numbers. These determine // which number to start and end the digit links with @@ -203,9 +234,9 @@ class CI_Pagination { // Render the "previous" link if ($this->prev_link !== FALSE AND $this->cur_page != 1) { - $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 == 0 OR ($this->use_page_numbers && $i == 1)) AND $this->first_url != '') { $output .= $this->prev_tag_open.'<a '.$this->anchor_class.'href="'.$this->first_url.'">'.$this->prev_link.'</a>'.$this->prev_tag_close; } @@ -223,9 +254,9 @@ class CI_Pagination { // Write the digit links for ($loop = $start -1; $loop <= $end; $loop++) { - $i = ($loop * $this->per_page) - $this->per_page; + $i = ($this->use_page_numbers) ? $loop : ($loop * $this->per_page) - $this->per_page; - if ($i >= 0) + if ($i >= $base_page) { if ($this->cur_page == $loop) { @@ -233,7 +264,7 @@ class CI_Pagination { } else { - $n = ($i == 0) ? '' : $i; + $n = ($i == $base_page) ? '' : $i; if ($n == '' && $this->first_url != '') { @@ -253,17 +284,20 @@ class CI_Pagination { // Render the "next" link if ($this->next_link !== FALSE AND $this->cur_page < $num_pages) { - $output .= $this->next_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$this->prefix.($this->cur_page * $this->per_page).$this->suffix.'">'.$this->next_link.'</a>'.$this->next_tag_close; + $i = ($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; } // Render the "Last" link if ($this->last_link !== FALSE AND ($this->cur_page + $this->num_links) < $num_pages) { - $i = (($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); |