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