source: trunk/www.guidonia.net/wp/wp-content/plugins/tubepress/classes/org/tubepress/pagination/DiggStylePaginationService.class.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 14 years ago
File size: 8.9 KB
Line 
1<?php
2/**
3 * Copyright 2006, 2007, 2008, 2009 Eric D. Hough (http://ehough.com)
4 *
5 * This file is part of TubePress (http://tubepress.org)
6 *
7 * TubePress is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * TubePress is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with TubePress. If not, see <http://www.gnu.org/licenses/>.
19 *
20 */
21
22function_exists('tubepress_load_classes')
23 || require(dirname(__FILE__) . '/../../../tubepress_classloader.php');
24tubepress_load_classes(array('org_tubepress_pagination_PaginationService',
25 'org_tubepress_options_category_Display',
26 'net_php_pear_Net_URL2',
27 'org_tubepress_message_MessageService',
28 'org_tubepress_querystring_QueryStringService',
29 'org_tubepress_options_manager_OptionsManager'));
30
31/**
32 * General purpose cache for TubePress
33 */
34class org_tubepress_pagination_DiggStylePaginationService implements org_tubepress_pagination_PaginationService
35{
36 private $_messageService;
37 private $_tpom;
38 private $_queryStringService;
39
40 public function getHtml($vidCount)
41 {
42 $currentPage = $this->_queryStringService->getPageNum($_GET);
43 $vidsPerPage = $this->_tpom->
44 get(org_tubepress_options_category_Display::RESULTS_PER_PAGE);
45
46 $newurl = new net_php_pear_Net_URL2($this->_queryStringService->getFullUrl($_SERVER));
47 $newurl->unsetQueryVariable("tubepress_page");
48
49 return $this->_diggStyle($this->_messageService, $currentPage, $vidCount,
50 $vidsPerPage, 1, $newurl->getURL(),
51 "tubepress_page");
52 }
53
54 public function setMessageService(org_tubepress_message_MessageService $messageService) { $this->_messageService = $messageService; }
55 public function setQueryStringService(org_tubepress_querystring_QueryStringService $queryStringService) { $this->_queryStringService = $queryStringService; }
56 public function setOptionsManager(org_tubepress_options_manager_OptionsManager $tpom) { $this->_tpom = $tpom; }
57
58 //function to return the pagination string
59 private function _diggStyle(org_tubepress_message_MessageService $messageService, $page = 1, $totalitems, $limit = 15, $adjacents = 1, $targetpage = "/", $pagestring = "?page=")
60 {
61 //defaults
62 if(!$adjacents) $adjacents = 1;
63 if(!$limit) $limit = 15;
64 if(!$page) $page = 1;
65 if(!$targetpage) $targetpage = "/";
66
67 //other vars
68 $prev = $page - 1; //previous page is page - 1
69 $next = $page + 1; //next page is page + 1
70 $lastpage = ceil($totalitems / $limit); //lastpage is = total items / items per page, rounded up.
71 $lpm1 = $lastpage - 1; //last page minus 1
72
73 /*
74 Now we apply our rules and draw the pagination object.
75 We're actually saving the code to a variable in case we want to draw it more than once.
76 */
77 $pagination = "";
78
79 $url = new net_php_pear_Net_URL2($targetpage);
80
81 if($lastpage > 1)
82 {
83 $pagination .= "<div class=\"pagination\"";
84
85 $pagination .= ">";
86
87 //previous button
88 if ($page > 1) {
89 $url->setQueryVariable($pagestring, $prev);
90 $newurl = $url->getURL();
91 $pagination .= "<a href=\"$newurl\">" . $messageService->_("prev") . "</a>";
92 }
93 else
94 $pagination .= "<span class=\"disabled\">" . $messageService->_("prev") . "</span>";
95
96 //pages
97 if ($lastpage < 7 + ($adjacents * 2)) //not enough pages to bother breaking it up
98 {
99 for ($counter = 1; $counter <= $lastpage; $counter++)
100 {
101 if ($counter == $page)
102 $pagination .= "<span class=\"current\">$counter</span>";
103 else {
104 $url->setQueryVariable($pagestring, $counter);
105 $newurl = $url->getURL();
106 $pagination .= "<a href=\"$newurl\">$counter</a>";
107 }
108 }
109 }
110 elseif($lastpage >= 7 + ($adjacents * 2)) //enough pages to hide some
111 {
112 //close to beginning; only hide later pages
113 if($page < 1 + ($adjacents * 3))
114 {
115 for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
116 {
117 if ($counter == $page)
118 $pagination .= "<span class=\"current\">$counter</span>";
119 else {
120 $url->setQueryVariable($pagestring, $counter);
121 $newurl = $url->getURL();
122 $pagination .= "<a href=\"$newurl\">$counter</a>";
123 }
124 }
125 $pagination .= "...";
126 $url->setQueryVariable($pagestring, $lpm1);
127 $newurl = $url->getURL();
128 $pagination .= " <a href=\"$newurl\">$lpm1</a>";
129 $url->setQueryVariable($pagestring, $lastpage);
130 $newurl = $url->getURL();
131 $pagination .= "<a href=\"$newurl\">$lastpage</a>";
132 }
133 //in middle; hide some front and some back
134 elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
135 {
136 $url->setQueryVariable($pagestring, 1);
137 $newurl = $url->getURL();
138 $pagination .= "<a href=\"$newurl\">1</a>";
139 $url->setQueryVariable($pagestring, 2);
140 $newurl = $url->getURL();
141 $pagination .= "<a href=\"$newurl\">2</a>";
142 $pagination .= "...";
143 for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
144 {
145 if ($counter == $page)
146 $pagination .= "<span class=\"current\">$counter</span>";
147 else {
148 $url->setQueryVariable($pagestring, $counter);
149 $newurl = $url->getURL();
150 $pagination .= " <a href=\"$newurl\">$counter</a>";
151 }
152 }
153 $pagination .= "...";
154
155 $url->setQueryVariable($pagestring, $lpm1);
156 $newurl = $url->getURL();
157 $pagination .= " <a href=\"$newurl\">$lpm1</a>";
158 $url->setQueryVariable($pagestring, $lastpage);
159 $newurl = $url->getURL();
160 $pagination .= " <a href=\"$newurl\">$lastpage</a>";
161 }
162 //close to end; only hide early pages
163 else
164 {
165 $url->setQueryVariable($pagestring, 1);
166 $newurl = $url->getURL();
167 $pagination .= "<a href=\"$newurl\">1</a>";
168 $url->setQueryVariable($pagestring, 2);
169 $newurl = $url->getURL();
170 $pagination .= "<a href=\"$newurl\">2</a>";
171 $pagination .= "...";
172 for ($counter = $lastpage - (1 + ($adjacents * 3)); $counter <= $lastpage; $counter++)
173 {
174 if ($counter == $page)
175 $pagination .= "<span class=\"current\">$counter</span>";
176 else {
177 $url->setQueryVariable($pagestring, $counter);
178 $newurl = $url->getURL();
179 $pagination .= " <a href=\"$newurl\">$counter</a>";
180 }
181
182 }
183 }
184 }
185 //next button
186 if ($page < $counter - 1) {
187 $url->setQueryVariable($pagestring, $next);
188 $newurl = $url->getURL();
189 $pagination .= "<a href=\"$newurl\">" . $messageService->_("next") . "</a>";
190 } else {
191 $pagination .= "<span class=\"disabled\">" . $messageService->_("next") . "</span>";
192 }
193 $pagination .= "</div>\n";
194 }
195
196 return $pagination;
197 }
198}
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