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Andrey Andreevc5536aa2012-11-01 17:33:58 +02001<?php
Derek Allard2067d1a2008-11-13 22:59:24 +00002/**
3 * CodeIgniter
4 *
Phil Sturgeon07c1ac82012-03-09 17:03:37 +00005 * An open source application development framework for PHP 5.2.4 or newer
Derek Allard2067d1a2008-11-13 22:59:24 +00006 *
Derek Jonesf4a4bd82011-10-20 12:18:42 -05007 * NOTICE OF LICENSE
Eric Barnes9a4902a2011-12-03 23:46:06 -05008 *
Derek Jonesf4a4bd82011-10-20 12:18:42 -05009 * Licensed under the Open Software License version 3.0
Eric Barnes9a4902a2011-12-03 23:46:06 -050010 *
Derek Jonesf4a4bd82011-10-20 12:18:42 -050011 * This source file is subject to the Open Software License (OSL 3.0) that is
12 * bundled with this package in the files license.txt / license.rst. It is
13 * also available through the world wide web at this URL:
14 * http://opensource.org/licenses/OSL-3.0
15 * If you did not receive a copy of the license and are unable to obtain it
16 * through the world wide web, please send an email to
17 * licensing@ellislab.com so we can send you a copy immediately.
18 *
Derek Allard2067d1a2008-11-13 22:59:24 +000019 * @package CodeIgniter
Derek Jonesf4a4bd82011-10-20 12:18:42 -050020 * @author EllisLab Dev Team
darwinel871754a2014-02-11 17:34:57 +010021 * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
Derek Jonesf4a4bd82011-10-20 12:18:42 -050022 * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
Derek Allard2067d1a2008-11-13 22:59:24 +000023 * @link http://codeigniter.com
24 * @since Version 1.0
25 * @filesource
26 */
Andrey Andreevc5536aa2012-11-01 17:33:58 +020027defined('BASEPATH') OR exit('No direct script access allowed');
Derek Allard2067d1a2008-11-13 22:59:24 +000028
Derek Allard2067d1a2008-11-13 22:59:24 +000029/**
30 * Pagination Class
31 *
32 * @package CodeIgniter
33 * @subpackage Libraries
34 * @category Pagination
Derek Jonesf4a4bd82011-10-20 12:18:42 -050035 * @author EllisLab Dev Team
Derek Allard2067d1a2008-11-13 22:59:24 +000036 * @link http://codeigniter.com/user_guide/libraries/pagination.html
37 */
38class CI_Pagination {
39
Andrey Andreev0fa95bd2012-11-01 23:33:14 +020040 /**
41 * Base URL
42 *
43 * The page that we're linking to
44 *
45 * @var string
46 */
47 protected $base_url = '';
48
49 /**
50 * Prefix
51 *
52 * @var string
53 */
54 protected $prefix = '';
55
56 /**
57 * Suffix
58 *
59 * @var string
60 */
61 protected $suffix = '';
62
63 /**
64 * Total number of items
65 *
66 * @var int
67 */
68 protected $total_rows = 0;
69
70 /**
71 * Items per page
72 *
73 * @var int
74 */
75 protected $per_page = 10;
76
77 /**
78 * Number of links to show
79 *
80 * Relates to "digit" type links shown before/after
81 * the currently viewed page.
82 *
83 * @var int
84 */
85 protected $num_links = 2;
86
87 /**
88 * Current page
89 *
90 * @var int
91 */
92 protected $cur_page = 0;
93
94 /**
95 * Use page numbers flag
96 *
97 * Whether to use actual page numbers instead of an offset
98 *
99 * @var bool
100 */
101 protected $use_page_numbers = FALSE;
102
103 /**
104 * First link
105 *
106 * @var string
107 */
108 protected $first_link = '&lsaquo; First';
109
110 /**
111 * Next link
112 *
113 * @var string
114 */
115 protected $next_link = '&gt;';
116
117 /**
118 * Previous link
119 *
120 * @var string
121 */
122 protected $prev_link = '&lt;';
123
124 /**
125 * Last link
126 *
127 * @var string
128 */
129 protected $last_link = 'Last &rsaquo;';
130
131 /**
132 * URI Segment
133 *
134 * @var int
135 */
Eric Roberts9f3a5902013-01-28 04:29:06 -0600136 protected $uri_segment = 0;
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200137
138 /**
139 * Full tag open
140 *
141 * @var string
142 */
143 protected $full_tag_open = '';
144
145 /**
146 * Full tag close
147 *
148 * @var string
149 */
150 protected $full_tag_close = '';
151
152 /**
153 * First tag open
154 *
155 * @var string
156 */
157 protected $first_tag_open = '';
158
159 /**
160 * First tag close
161 *
162 * @var string
163 */
164 protected $first_tag_close = '';
165
166 /**
167 * Last tag open
168 *
169 * @var string
170 */
171 protected $last_tag_open = '';
172
173 /**
174 * Last tag close
175 *
176 * @var string
177 */
178 protected $last_tag_close = '';
179
180 /**
181 * First URL
182 *
183 * An alternative URL for the first page
184 *
185 * @var string
186 */
187 protected $first_url = '';
188
189 /**
190 * Current tag open
191 *
192 * @var string
193 */
194 protected $cur_tag_open = '<strong>';
195
196 /**
197 * Current tag close
198 *
199 * @var string
200 */
201 protected $cur_tag_close = '</strong>';
202
203 /**
204 * Next tag open
205 *
206 * @var string
207 */
208 protected $next_tag_open = '';
209
210 /**
211 * Next tag close
212 *
213 * @var string
214 */
215 protected $next_tag_close = '';
216
217 /**
218 * Previous tag open
219 *
220 * @var string
221 */
222 protected $prev_tag_open = '';
223
224 /**
225 * Previous tag close
226 *
227 * @var string
228 */
229 protected $prev_tag_close = '';
230
231 /**
232 * Number tag open
233 *
234 * @var string
235 */
236 protected $num_tag_open = '';
237
238 /**
239 * Number tag close
240 *
241 * @var string
242 */
243 protected $num_tag_close = '';
244
245 /**
246 * Page query string flag
247 *
248 * @var bool
249 */
Phil Sturgeonf82b9292012-06-23 15:49:23 +0100250 protected $page_query_string = FALSE;
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200251
252 /**
253 * Query string segment
254 *
255 * @var string
256 */
Alex Bilbief7e23b32012-09-07 09:52:32 +0100257 protected $query_string_segment = 'per_page';
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200258
259 /**
260 * Display pages flag
261 *
262 * @var bool
263 */
264 protected $display_pages = TRUE;
265
266 /**
267 * Attributes
268 *
269 * @var string
270 */
271 protected $_attributes = '';
272
273 /**
274 * Link types
275 *
276 * "rel" attribute
277 *
278 * @see CI_Pagination::_attr_rel()
279 * @var array
280 */
281 protected $_link_types = array();
282
283 /**
284 * Reuse query string flag
285 *
286 * @var bool
287 */
Phil Sturgeonf82b9292012-06-23 15:49:23 +0100288 protected $reuse_query_string = FALSE;
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200289
290 /**
291 * Data page attribute
292 *
293 * @var string
294 */
295 protected $data_page_attr = 'data-ci-pagination-page';
296
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200297 /**
298 * CI Singleton
299 *
300 * @var object
301 */
302 protected $CI;
303
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200304 // --------------------------------------------------------------------
Derek Allard2067d1a2008-11-13 22:59:24 +0000305
306 /**
307 * Constructor
308 *
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200309 * @param array $params Initialization parameters
Andrey Andreev56454792012-05-17 14:32:19 +0300310 * @return void
Derek Allard2067d1a2008-11-13 22:59:24 +0000311 */
Greg Akera9263282010-11-10 15:26:43 -0600312 public function __construct($params = array())
Derek Allard2067d1a2008-11-13 22:59:24 +0000313 {
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200314 $this->CI =& get_instance();
315 $this->CI->load->language('pagination');
Andrey Andreevaef63e52014-02-13 14:49:55 +0200316 foreach (array('first_link', 'next_link', 'prev_link', 'last_link') as $key)
317 {
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200318 if (($val = $this->CI->lang->line('pagination_'.$key)) !== FALSE)
Andrey Andreevaef63e52014-02-13 14:49:55 +0200319 {
320 $this->$key = $val;
321 }
322 }
323
Eric Barnesbce41402011-12-03 23:47:41 -0500324 $this->initialize($params);
Andrey Andreev796bc952012-03-26 19:40:40 +0300325 log_message('debug', 'Pagination Class Initialized');
Derek Allard2067d1a2008-11-13 22:59:24 +0000326 }
Derek Allardfaac15e2009-03-07 17:17:58 +0000327
Derek Allard2067d1a2008-11-13 22:59:24 +0000328 // --------------------------------------------------------------------
Derek Allardfaac15e2009-03-07 17:17:58 +0000329
Derek Allard2067d1a2008-11-13 22:59:24 +0000330 /**
331 * Initialize Preferences
332 *
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200333 * @param array $params Initialization parameters
Andrey Andreev6f6102c2014-02-08 19:11:40 +0200334 * @return CI_Pagination
Derek Allard2067d1a2008-11-13 22:59:24 +0000335 */
Andrey Andreevaef63e52014-02-13 14:49:55 +0200336 public function initialize(array $params = array())
Derek Allard2067d1a2008-11-13 22:59:24 +0000337 {
Andrey Andreev88c47272012-06-17 02:32:31 +0300338 if (isset($params['attributes']) && is_array($params['attributes']))
339 {
Eric Roberts9f3a5902013-01-28 04:29:06 -0600340 $this->_parse_attributes($params['attributes']);
Andrey Andreev88c47272012-06-17 02:32:31 +0300341 unset($params['attributes']);
342 }
343
344 // Deprecated legacy support for the anchor_class option
345 // Should be removed in CI 3.1+
346 if (isset($params['anchor_class']))
347 {
348 empty($params['anchor_class']) OR $attributes['class'] = $params['anchor_class'];
349 unset($params['anchor_class']);
350 }
351
Andrey Andreevaef63e52014-02-13 14:49:55 +0200352 foreach ($params as $key => $val)
Derek Allard2067d1a2008-11-13 22:59:24 +0000353 {
Andrey Andreeve9c8c892014-02-17 17:29:23 +0200354 if (property_exists($this, $key))
Derek Allard2067d1a2008-11-13 22:59:24 +0000355 {
Andrey Andreevaef63e52014-02-13 14:49:55 +0200356 $this->$key = $val;
Derek Allard2067d1a2008-11-13 22:59:24 +0000357 }
358 }
Andrey Andreev6f6102c2014-02-08 19:11:40 +0200359
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200360 if ($this->CI->config->item('enable_query_strings') === TRUE)
361 {
362 $this->page_query_string = TRUE;
363 }
364
Andrey Andreev6f6102c2014-02-08 19:11:40 +0200365 return $this;
Derek Allard2067d1a2008-11-13 22:59:24 +0000366 }
Derek Allardfaac15e2009-03-07 17:17:58 +0000367
Derek Allard2067d1a2008-11-13 22:59:24 +0000368 // --------------------------------------------------------------------
Derek Allardfaac15e2009-03-07 17:17:58 +0000369
Derek Allard2067d1a2008-11-13 22:59:24 +0000370 /**
371 * Generate the pagination links
372 *
Derek Allard2067d1a2008-11-13 22:59:24 +0000373 * @return string
Derek Allardfaac15e2009-03-07 17:17:58 +0000374 */
Eric Barnes9a4902a2011-12-03 23:46:06 -0500375 public function create_links()
Derek Allard2067d1a2008-11-13 22:59:24 +0000376 {
377 // If our item count or per-page total is zero there is no need to continue.
Andrey Andreevb367f7b2013-10-14 12:27:00 +0300378 // Note: DO NOT change the operator to === here!
379 if ($this->total_rows == 0 OR $this->per_page == 0)
Derek Allard2067d1a2008-11-13 22:59:24 +0000380 {
Derek Allardfaac15e2009-03-07 17:17:58 +0000381 return '';
Derek Allard2067d1a2008-11-13 22:59:24 +0000382 }
383
384 // Calculate the total number of pages
Ronald Beilsmacfb70212011-12-29 09:57:49 +0100385 $num_pages = (int) ceil($this->total_rows / $this->per_page);
Derek Allard2067d1a2008-11-13 22:59:24 +0000386
387 // Is there only one page? Hm... nothing more to do here then.
Ronald Beilsmacfb70212011-12-29 09:57:49 +0100388 if ($num_pages === 1)
Derek Allard2067d1a2008-11-13 22:59:24 +0000389 {
390 return '';
391 }
392
Eric Roberts9f3a5902013-01-28 04:29:06 -0600393 // Check the user defined number of links.
Eric Barnes3b376592012-01-04 00:28:27 -0500394 $this->num_links = (int) $this->num_links;
Derek Allardfaac15e2009-03-07 17:17:58 +0000395
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900396 if ($this->num_links < 1)
Derek Allard2067d1a2008-11-13 22:59:24 +0000397 {
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900398 show_error('Your number of links must be a positive number.');
Derek Allard2067d1a2008-11-13 22:59:24 +0000399 }
Derek Allardfaac15e2009-03-07 17:17:58 +0000400
Eric Roberts9f3a5902013-01-28 04:29:06 -0600401 // Keep any existing query string items.
402 // Note: Has nothing to do with any other query string option.
Eric Roberts9f3a5902013-01-28 04:29:06 -0600403 if ($this->reuse_query_string === TRUE)
404 {
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200405 $get = $this->CI->input->get();
Eric Roberts9f3a5902013-01-28 04:29:06 -0600406
407 // Unset the controll, method, old-school routing options
408 unset($get['c'], $get['m'], $get[$this->query_string_segment]);
409 }
Eric Robertsba67f3b2013-01-28 18:01:01 -0600410 else
411 {
412 $get = array();
413 }
Eric Roberts9f3a5902013-01-28 04:29:06 -0600414
415 // Put together our base and first URLs.
Andrey Andreevb1616b82014-02-13 15:12:43 +0200416 // Note: DO NOT append to the properties as that would break successive calls
417 $base_url = trim($this->base_url);
418 $first_url = $this->first_url;
Eric Roberts9f3a5902013-01-28 04:29:06 -0600419
420 $query_string = '';
Andrey Andreevb1616b82014-02-13 15:12:43 +0200421 $query_string_sep = (strpos($base_url, '?') === FALSE) ? '?' : '&amp;';
Eric Roberts9f3a5902013-01-28 04:29:06 -0600422
423 // Are we using query strings?
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200424 if ($this->page_query_string === TRUE)
Eric Roberts9f3a5902013-01-28 04:29:06 -0600425 {
426 // If a custom first_url hasn't been specified, we'll create one from
427 // the base_url, but without the page item.
Andrey Andreevb1616b82014-02-13 15:12:43 +0200428 if ($first_url === '')
Eric Roberts9f3a5902013-01-28 04:29:06 -0600429 {
Andrey Andreevb1616b82014-02-13 15:12:43 +0200430 $first_url = $base_url;
Eric Roberts9f3a5902013-01-28 04:29:06 -0600431
432 // If we saved any GET items earlier, make sure they're appended.
433 if ( ! empty($get))
434 {
Andrey Andreevb1616b82014-02-13 15:12:43 +0200435 $first_url .= $query_string_sep.http_build_query($get);
Eric Roberts9f3a5902013-01-28 04:29:06 -0600436 }
437 }
438
439 // Add the page segment to the end of the query string, where the
440 // page number will be appended.
Andrey Andreevb1616b82014-02-13 15:12:43 +0200441 $base_url .= $query_string_sep.http_build_query(array_merge($get, array($this->query_string_segment => '')));
Eric Roberts9f3a5902013-01-28 04:29:06 -0600442 }
443 else
444 {
445 // Standard segment mode.
446 // Generate our saved query string to append later after the page number.
447 if ( ! empty($get))
448 {
Eric Roberts9668d1d2013-01-28 17:45:34 -0600449 $query_string = $query_string_sep.http_build_query($get);
Eric Roberts9f3a5902013-01-28 04:29:06 -0600450 $this->suffix .= $query_string;
451 }
452
453 // Does the base_url have the query string in it?
454 // If we're supposed to save it, remove it so we can append it later.
Andrey Andreevb1616b82014-02-13 15:12:43 +0200455 if ($this->reuse_query_string === TRUE && ($base_query_pos = strpos($base_url, '?')) !== FALSE)
Eric Roberts9f3a5902013-01-28 04:29:06 -0600456 {
Andrey Andreevb1616b82014-02-13 15:12:43 +0200457 $base_url = substr($base_url, 0, $base_query_pos);
Eric Roberts9f3a5902013-01-28 04:29:06 -0600458 }
459
Andrey Andreevb1616b82014-02-13 15:12:43 +0200460 if ($first_url === '')
Eric Roberts9f3a5902013-01-28 04:29:06 -0600461 {
Andrey Andreevb1616b82014-02-13 15:12:43 +0200462 $first_url = $base_url.$query_string;
Eric Roberts9f3a5902013-01-28 04:29:06 -0600463 }
464
Andrey Andreevb1616b82014-02-13 15:12:43 +0200465 $base_url = rtrim($base_url, '/').'/';
Eric Roberts9f3a5902013-01-28 04:29:06 -0600466 }
467
468 // Determine the current page number.
469 $base_page = ($this->use_page_numbers) ? 1 : 0;
470
471 // Are we using query strings?
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200472 if ($this->page_query_string === TRUE)
Eric Roberts9f3a5902013-01-28 04:29:06 -0600473 {
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200474 $this->cur_page = $this->CI->input->get($this->query_string_segment);
Eric Roberts9f3a5902013-01-28 04:29:06 -0600475 }
476 else
477 {
478 // Default to the last segment number if one hasn't been defined.
479 if ($this->uri_segment === 0)
480 {
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200481 $this->uri_segment = count($this->CI->uri->segment_array());
Eric Roberts9f3a5902013-01-28 04:29:06 -0600482 }
483
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200484 $this->cur_page = $this->CI->uri->segment($this->uri_segment);
Eric Roberts9f3a5902013-01-28 04:29:06 -0600485
486 // Remove any specified prefix/suffix from the segment.
Eric Roberts032af982013-01-28 23:25:52 -0600487 if ($this->prefix !== '' OR $this->suffix !== '')
488 {
489 $this->cur_page = str_replace(array($this->prefix, $this->suffix), '', $this->cur_page);
490 }
Eric Roberts9f3a5902013-01-28 04:29:06 -0600491 }
492
493 // If something isn't quite right, back to the default base page.
Eric Roberts032af982013-01-28 23:25:52 -0600494 if ( ! ctype_digit($this->cur_page) OR ($this->use_page_numbers && (int) $this->cur_page === 0))
Eric Roberts9f3a5902013-01-28 04:29:06 -0600495 {
496 $this->cur_page = $base_page;
497 }
Eric Roberts032af982013-01-28 23:25:52 -0600498 else
499 {
500 // Make sure we're using integers for comparisons later.
501 $this->cur_page = (int) $this->cur_page;
502 }
Eric Roberts9f3a5902013-01-28 04:29:06 -0600503
Derek Allard2067d1a2008-11-13 22:59:24 +0000504 // Is the page number beyond the result range?
Eric Roberts9f3a5902013-01-28 04:29:06 -0600505 // If so, we show the last page.
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400506 if ($this->use_page_numbers)
Derek Allard2067d1a2008-11-13 22:59:24 +0000507 {
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400508 if ($this->cur_page > $num_pages)
509 {
510 $this->cur_page = $num_pages;
511 }
512 }
Andrey Andreev796bc952012-03-26 19:40:40 +0300513 elseif ($this->cur_page > $this->total_rows)
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400514 {
Andrey Andreev796bc952012-03-26 19:40:40 +0300515 $this->cur_page = ($num_pages - 1) * $this->per_page;
Derek Allard2067d1a2008-11-13 22:59:24 +0000516 }
Derek Allardfaac15e2009-03-07 17:17:58 +0000517
Derek Allard2067d1a2008-11-13 22:59:24 +0000518 $uri_page_number = $this->cur_page;
Eric Barnes9a4902a2011-12-03 23:46:06 -0500519
Eric Roberts9f3a5902013-01-28 04:29:06 -0600520 // If we're using offset instead of page numbers, convert it
521 // to a page number, so we can generate the surrounding number links.
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400522 if ( ! $this->use_page_numbers)
523 {
Bo-Yi Wu5d504532012-07-14 00:03:56 +0800524 $this->cur_page = (int) floor(($this->cur_page/$this->per_page) + 1);
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400525 }
Derek Allard2067d1a2008-11-13 22:59:24 +0000526
527 // Calculate the start and end numbers. These determine
Eric Roberts9f3a5902013-01-28 04:29:06 -0600528 // which number to start and end the digit links with.
Andrey Andreev796bc952012-03-26 19:40:40 +0300529 $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
530 $end = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
Derek Allard2067d1a2008-11-13 22:59:24 +0000531
Barry Mienydd671972010-10-04 16:33:58 +0200532 // And here we go...
Derek Allard2067d1a2008-11-13 22:59:24 +0000533 $output = '';
Phil Sturgeonf82b9292012-06-23 15:49:23 +0100534
Eric Roberts9f3a5902013-01-28 04:29:06 -0600535 // Render the "First" link.
Andrey Andreev796bc952012-03-26 19:40:40 +0300536 if ($this->first_link !== FALSE && $this->cur_page > ($this->num_links + 1))
Derek Allard2067d1a2008-11-13 22:59:24 +0000537 {
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900538 // Take the general parameters, and squeeze this pagination-page attr in for JS frameworks.
539 $attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, 1);
Phil Sturgeona44cf572012-07-12 11:50:46 +0100540
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900541 $output .= $this->first_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('start').'>'
Ahmad Anbar290f5872014-02-18 23:10:38 +0200542 .$this->first_link.'</a>'.$this->first_tag_close;
Derek Allard2067d1a2008-11-13 22:59:24 +0000543 }
544
Eric Roberts9f3a5902013-01-28 04:29:06 -0600545 // Render the "Previous" link.
Phil Sturgeonf82b9292012-06-23 15:49:23 +0100546 if ($this->prev_link !== FALSE && $this->cur_page !== 1)
Derek Allard2067d1a2008-11-13 22:59:24 +0000547 {
Aaron Kuzemchaka5e13f92011-09-04 16:39:47 -0400548 $i = ($this->use_page_numbers) ? $uri_page_number - 1 : $uri_page_number - $this->per_page;
Barry Mienydd671972010-10-04 16:33:58 +0200549
Phil Sturgeona44cf572012-07-12 11:50:46 +0100550 $attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
551
Eric Roberts9f3a5902013-01-28 04:29:06 -0600552 if ($i === $base_page)
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400553 {
Eric Roberts9f3a5902013-01-28 04:29:06 -0600554 // First page
Andrey Andreevb1616b82014-02-13 15:12:43 +0200555 $output .= $this->prev_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('prev').'>'
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300556 .$this->prev_link.'</a>'.$this->prev_tag_close;
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400557 }
558 else
559 {
Eric Roberts9f3a5902013-01-28 04:29:06 -0600560 $append = $this->prefix.$i.$this->suffix;
Andrey Andreevb1616b82014-02-13 15:12:43 +0200561 $output .= $this->prev_tag_open.'<a href="'.$base_url.$append.'"'.$attributes.$this->_attr_rel('prev').'>'
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300562 .$this->prev_link.'</a>'.$this->prev_tag_close;
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400563 }
Barry Mienydd671972010-10-04 16:33:58 +0200564
Derek Allard2067d1a2008-11-13 22:59:24 +0000565 }
566
Derek Allarde01fd0f2010-07-05 11:06:07 -0400567 // Render the pages
568 if ($this->display_pages !== FALSE)
Derek Allard2067d1a2008-11-13 22:59:24 +0000569 {
Derek Allarde01fd0f2010-07-05 11:06:07 -0400570 // Write the digit links
571 for ($loop = $start -1; $loop <= $end; $loop++)
Derek Allard2067d1a2008-11-13 22:59:24 +0000572 {
Aaron Kuzemchaka5e13f92011-09-04 16:39:47 -0400573 $i = ($this->use_page_numbers) ? $loop : ($loop * $this->per_page) - $this->per_page;
Phil Sturgeona44cf572012-07-12 11:50:46 +0100574
Phil Sturgeona44cf572012-07-12 11:50:46 +0100575 $attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
576
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400577 if ($i >= $base_page)
Derek Allard2067d1a2008-11-13 22:59:24 +0000578 {
Alex Bilbied261b1e2012-06-02 11:12:16 +0100579 if ($this->cur_page === $loop)
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400580 {
Eric Roberts9f3a5902013-01-28 04:29:06 -0600581 // Current page
582 $output .= $this->cur_tag_open.$loop.$this->cur_tag_close;
583 }
584 elseif ($i === $base_page)
585 {
586 // First page
Andrey Andreevb1616b82014-02-13 15:12:43 +0200587 $output .= $this->num_tag_open.'<a href="'.$first_url.'"'.$attributes.$this->_attr_rel('start').'>'
Eric Roberts9f3a5902013-01-28 04:29:06 -0600588 .$loop.'</a>'.$this->num_tag_close;
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400589 }
590 else
591 {
Eric Roberts9f3a5902013-01-28 04:29:06 -0600592 $append = $this->prefix.$i.$this->suffix;
Andrey Andreevb1616b82014-02-13 15:12:43 +0200593 $output .= $this->num_tag_open.'<a href="'.$base_url.$append.'"'.$attributes.$this->_attr_rel('start').'>'
Eric Roberts9f3a5902013-01-28 04:29:06 -0600594 .$loop.'</a>'.$this->num_tag_close;
Robin Sowell2a6c1da2010-05-24 12:20:03 -0400595 }
Derek Allard2067d1a2008-11-13 22:59:24 +0000596 }
597 }
598 }
599
600 // Render the "next" link
Andrey Andreev796bc952012-03-26 19:40:40 +0300601 if ($this->next_link !== FALSE && $this->cur_page < $num_pages)
Derek Allard2067d1a2008-11-13 22:59:24 +0000602 {
Aaron Kuzemchaka5e13f92011-09-04 16:39:47 -0400603 $i = ($this->use_page_numbers) ? $this->cur_page + 1 : $this->cur_page * $this->per_page;
Aaron Kuzemchak11c5f162011-09-03 20:59:07 -0400604
Phil Sturgeona44cf572012-07-12 11:50:46 +0100605 $attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
606
Andrey Andreevb1616b82014-02-13 15:12:43 +0200607 $output .= $this->next_tag_open.'<a href="'.$base_url.$this->prefix.$i.$this->suffix.'"'.$attributes
Andrey Andreev88c47272012-06-17 02:32:31 +0300608 .$this->_attr_rel('next').'>'.$this->next_link.'</a>'.$this->next_tag_close;
Derek Allard2067d1a2008-11-13 22:59:24 +0000609 }
610
611 // Render the "Last" link
Andrey Andreev796bc952012-03-26 19:40:40 +0300612 if ($this->last_link !== FALSE && ($this->cur_page + $this->num_links) < $num_pages)
Derek Allard2067d1a2008-11-13 22:59:24 +0000613 {
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900614 $i = ($this->use_page_numbers) ? $num_pages : ($num_pages * $this->per_page) - $this->per_page;
Phil Sturgeonc00a5a02011-11-22 15:25:32 +0000615
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900616 $attributes = sprintf('%s %s="%d"', $this->_attributes, $this->data_page_attr, (int) $i);
Phil Sturgeona44cf572012-07-12 11:50:46 +0100617
Takayuki Sakai1240b6a2014-06-13 18:12:02 +0900618 $output .= $this->last_tag_open.'<a href="'.$base_url.$this->prefix.$i.$this->suffix.'"'.$attributes.'>'
619 .$this->last_link.'</a>'.$this->last_tag_close;
Derek Allard2067d1a2008-11-13 22:59:24 +0000620 }
621
Phil Sturgeonc00a5a02011-11-22 15:25:32 +0000622 // Kill double slashes. Note: Sometimes we can end up with a double slash
Derek Allard2067d1a2008-11-13 22:59:24 +0000623 // in the penultimate link so we'll kill all double slashes.
Andrey Andreev796bc952012-03-26 19:40:40 +0300624 $output = preg_replace('#([^:])//+#', '\\1/', $output);
Derek Allard2067d1a2008-11-13 22:59:24 +0000625
626 // Add the wrapper HTML if exists
Andrey Andreev796bc952012-03-26 19:40:40 +0300627 return $this->full_tag_open.$output.$this->full_tag_close;
Derek Allard2067d1a2008-11-13 22:59:24 +0000628 }
Andrey Andreev796bc952012-03-26 19:40:40 +0300629
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300630 // --------------------------------------------------------------------
631
632 /**
Andrey Andreev88c47272012-06-17 02:32:31 +0300633 * Parse attributes
634 *
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200635 * @param array $attributes
Andrey Andreev88c47272012-06-17 02:32:31 +0300636 * @return void
637 */
638 protected function _parse_attributes($attributes)
639 {
640 isset($attributes['rel']) OR $attributes['rel'] = TRUE;
641 $this->_link_types = ($attributes['rel'])
Andrey Andreevffe8ade2014-02-17 18:51:48 +0200642 ? array('start' => 'start', 'prev' => 'prev', 'next' => 'next')
643 : array();
Andrey Andreev88c47272012-06-17 02:32:31 +0300644 unset($attributes['rel']);
645
646 $this->_attributes = '';
647 foreach ($attributes as $key => $value)
648 {
649 $this->_attributes .= ' '.$key.'="'.$value.'"';
650 }
651 }
652
653 // --------------------------------------------------------------------
654
655 /**
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300656 * Add "rel" attribute
657 *
Andrey Andreev88c47272012-06-17 02:32:31 +0300658 * @link http://www.w3.org/TR/html5/links.html#linkTypes
Andrey Andreev0fa95bd2012-11-01 23:33:14 +0200659 * @param string $type
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300660 * @return string
661 */
Andrey Andreev88c47272012-06-17 02:32:31 +0300662 protected function _attr_rel($type)
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300663 {
Andrey Andreev88c47272012-06-17 02:32:31 +0300664 if (isset($this->_link_types[$type]))
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300665 {
Andrey Andreev88c47272012-06-17 02:32:31 +0300666 unset($this->_link_types[$type]);
667 return ' rel="'.$type.'"';
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300668 }
669
Andrey Andreev88c47272012-06-17 02:32:31 +0300670 return '';
Andrey Andreev5a1e5e32012-06-12 11:28:26 +0300671 }
672
Derek Allard2067d1a2008-11-13 22:59:24 +0000673}
Derek Allard2067d1a2008-11-13 22:59:24 +0000674
675/* End of file Pagination.php */
Andrey Andreev685cdd72012-07-13 20:11:13 +0300676/* Location: ./system/libraries/Pagination.php */