diff options
Diffstat (limited to 'system/libraries/Pagination.php')
| -rw-r--r-- | system/libraries/Pagination.php | 253 |
1 files changed, 104 insertions, 149 deletions
diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php index cdaacf2d4..a91159c98 100644 --- a/system/libraries/Pagination.php +++ b/system/libraries/Pagination.php @@ -1,84 +1,84 @@ -<?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 + * An open source application development framework for PHP 5.2.4 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 */ -// ------------------------------------------------------------------------ - /** * Pagination Class * * @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 $anchor_class = ''; /** * Constructor * - * @access public * @param array initialization parameters + * @return void */ public function __construct($params = array()) { - if (count($params) > 0) - { - $this->initialize($params); - } - - if ($this->anchor_class != '') - { - $this->anchor_class = 'class="'.$this->anchor_class.'" '; - } - - log_message('debug', "Pagination Class Initialized"); + $this->initialize($params); + log_message('debug', 'Pagination Class Initialized'); } // -------------------------------------------------------------------- @@ -86,17 +86,20 @@ class CI_Pagination { /** * Initialize Preferences * - * @access public * @param array initialization parameters * @return void */ - function initialize($params = array()) + public function initialize($params = array()) { if (count($params) > 0) { foreach ($params as $key => $val) { - if (isset($this->$key)) + if ($key === 'anchor_class') + { + $this->anchor_class = ($val !== '') ? 'class="'.$val.'" ' : ''; + } + elseif (isset($this->$key)) { $this->$key = $val; } @@ -109,78 +112,62 @@ class CI_Pagination { /** * Generate the pagination links * - * @access public * @return string */ - function create_links() + public function create_links() { // If our item count or per-page total is zero there is no need to continue. - if ($this->total_rows == 0 OR $this->per_page == 0) + if ($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); + $num_pages = (int) ceil($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) != $base_page) + if ($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 && $CI->uri->segment($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 && $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) @@ -190,16 +177,13 @@ class CI_Pagination { $this->cur_page = $num_pages; } } - else + elseif ($this->cur_page > $this->total_rows) { - if ($this->cur_page > $this->total_rows) - { - $this->cur_page = ($num_pages - 1) * $this->per_page; - } + $this->cur_page = ($num_pages - 1) * $this->per_page; } $uri_page_number = $this->cur_page; - + if ( ! $this->use_page_numbers) { $this->cur_page = floor(($this->cur_page/$this->per_page) + 1); @@ -207,10 +191,10 @@ class CI_Pagination { // 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; + $start = (($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 : $num_pages; - // Is pagination being used over GET or POST? If get, add a per_page query + // Is pagination being used over GET or POST? If get, add a per_page query // string. If post, add a trailing slash to the base URL if needed if ($CI->config->item('enable_query_strings') === TRUE OR $this->page_query_string === TRUE) { @@ -225,31 +209,24 @@ class CI_Pagination { $output = ''; // Render the "First" link - if ($this->first_link !== FALSE AND $this->cur_page > ($this->num_links + 1)) + if ($this->first_link !== FALSE && $this->cur_page > ($this->num_links + 1)) { - $first_url = ($this->first_url == '') ? $this->base_url : $this->first_url; + $first_url = ($this->first_url === '') ? $this->base_url : $this->first_url; $output .= $this->first_tag_open.'<a '.$this->anchor_class.'href="'.$first_url.'">'.$this->first_link.'</a>'.$this->first_tag_close; } // Render the "previous" link - if ($this->prev_link !== FALSE AND $this->cur_page != 1) + if ($this->prev_link !== FALSE && $this->cur_page !== 1) { - if ($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 && $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; } @@ -261,32 +238,25 @@ 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 >= $base_page) { - if ($this->cur_page == $loop) + if ($this->cur_page === $loop) { $output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page } else { - $n = ($i == $base_page) ? '' : $i; + $n = ($i === $base_page) ? '' : $i; - if ($n == '' && $this->first_url != '') + if ($n === '' && $this->first_url !== '') { $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.$this->first_url.'">'.$loop.'</a>'.$this->num_tag_close; } else { - $n = ($n == '') ? '' : $this->prefix.$n.$this->suffix; + $n = ($n === '') ? '' : $this->prefix.$n.$this->suffix; $output .= $this->num_tag_open.'<a '.$this->anchor_class.'href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close; } @@ -296,45 +266,30 @@ class CI_Pagination { } // Render the "next" link - if ($this->next_link !== FALSE AND $this->cur_page < $num_pages) + if ($this->next_link !== FALSE && $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; } // Render the "Last" link - if ($this->last_link !== FALSE AND ($this->cur_page + $this->num_links) < $num_pages) + if ($this->last_link !== FALSE && ($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); + $output = preg_replace('#([^:])//+#', '\\1/', $output); // Add the wrapper HTML if exists - $output = $this->full_tag_open.$output.$this->full_tag_close; - - return $output; + return $this->full_tag_open.$output.$this->full_tag_close; } + } -// END Pagination Class /* End of file Pagination.php */ /* Location: ./system/libraries/Pagination.php */
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