lib/system/template/plugins/function.pages.php

   1 <?php
   2 use dns\system\DNS;
   3
   4 function smarty_function_pages($tagArgs, $tplObj) {
   5         // needed params: controller, pageNo, pages
   6         if (!isset($tagArgs['controller'])) throw new Exception("missing 'controller' argument in pages tag");
   7         if (!isset($tagArgs['pageNo'])) {
   8                 if (($tagArgs['pageNo'] = $tplObj->smarty->getTemplateVars('pageNo')) === null) {
   9                         throw new Exception("missing 'pageNo' argument in pages tag");
  10                 }
  11         }
  12         if (!isset($tagArgs['pages'])) {
  13                 if (($tagArgs['pages'] = $tplObj->smarty->getTemplateVars('pages')) === null) {
  14                         throw new Exception("missing 'pages' argument in pages tag");
  15                 }
  16         }
  17
  18         $html = '';
  19
  20         if ($tagArgs['pages'] > 1) {
  21                 $link = "index.php?".$tagArgs['controller'].(isset($tagArgs['id']) ? "/".$tagArgs['id'] : "");
  22
  23                 if (!isset($tagArgs['pageNo'])) {
  24                         if (($tagArgs['pageNo'] = $tplObj->smarty->getTemplateVars('pageNo')) === null) {
  25                                 $tagArgs['pageNo'] = 0;
  26                         }
  27                 }
  28
  29                 // open div and ul
  30                 $html .= "<nav>\n<ul class='pagination'>\n";
  31
  32                 // previous page
  33                 $html .= makePreviousLink($link, $tagArgs['pageNo']);
  34
  35                 // first page
  36                 $html .= makeLink($link, 1, $tagArgs['pageNo'], $tagArgs['pages']);
  37
  38                 // calculate page links
  39                 $maxLinks = 7;
  40                 $linksBeforePage = $tagArgs['pageNo'] - 2;
  41                 if ($linksBeforePage < 0) $linksBeforePage = 0;
  42                 $linksAfterPage = $tagArgs['pages'] - ($tagArgs['pageNo'] + 1);
  43                 if ($linksAfterPage < 0) $linksAfterPage = 0;
  44                 if ($tagArgs['pageNo'] > 1 && $tagArgs['pageNo'] < $tagArgs['pages']) {
  45                         $maxLinks--;
  46                 }
  47
  48                 $half = $maxLinks / 2;
  49                 $left = $right = $tagArgs['pageNo'];
  50                 if ($left < 1) $left = 1;
  51                 if ($right < 1) $right = 1;
  52                 if ($right > $tagArgs['pages'] - 1) $right = $tagArgs['pages'] - 1;
  53
  54                 if ($linksBeforePage >= $half) {
  55                         $left -= $half;
  56                 }
  57                 else {
  58                         $left -= $linksBeforePage;
  59                         $right += $half - $linksBeforePage;
  60                 }
  61
  62                 if ($linksAfterPage >= $half) {
  63                         $right += $half;
  64                 }
  65                 else {
  66                         $right += $linksAfterPage;
  67                         $left -= $half - $linksAfterPage;
  68                 }
  69
  70                 $right = intval(ceil($right));
  71                 $left = intval(ceil($left));
  72                 if ($left < 1) $left = 1;
  73                 if ($right > $tagArgs['pages']) $right = $tagArgs['pages'];
  74
  75                 // left ... links
  76                 if ($left > 1) {
  77                         if ($left - 1 < 2) {
  78                                 $html .= makeLink($link, 2, $tagArgs['pageNo'], $tagArgs['pages']);
  79                         }
  80                         else {
  81                                 $html .= '<li class="button jumpTo"><a>&hellip;</a></li>'."\n";
  82                         }
  83                 }
  84
  85                 // visible links
  86                 for ($i = $left + 1; $i < $right; $i++) {
  87                         $html .= makeLink($link, $i, $tagArgs['pageNo'], $tagArgs['pages']);
  88                 }
  89
  90                 // right ... links
  91                 if ($right < $tagArgs['pages']) {
  92                         if ($tagArgs['pages'] - $right < 2) {
  93                                 $html .= makeLink($link, $tagArgs['pages'] - 1, $tagArgs['pageNo'], $tagArgs['pages']);
  94                         }
  95                         else {
  96                                 $html .= '<li class="button jumpTo"><a>&hellip;</a></li>'."\n";
  97                         }
  98                 }
  99
 100                 // last page
 101                 $html .= makeLink($link, $tagArgs['pages'], $tagArgs['pageNo'], $tagArgs['pages']);
 102
 103                 // next page
 104                 $html .= makeNextLink($link, $tagArgs['pageNo'], $tagArgs['pages']);
 105
 106                 // close div and ul
 107                 $html .= "</ul></nav>\n";
 108         }
 109
 110         // assign html output to template var
 111         if (isset($tagArgs['assign'])) {
 112                 $tplObj->assign($tagArgs['assign'], $html);
 113         }
 114
 115         return $html;
 116 }
 117
 118 function insertPageNumber($link, $pageNo) {
 119         $link = $link ."&pageNo=".$pageNo;
 120         return $link;
 121 }
 122
 123 function makeLink($link, $pageNo, $activePage, $pages) {
 124         // first page
 125         if ($activePage != $pageNo) {
 126                 return '<li><a href="'.insertPageNumber($link, $pageNo).'" class="ttips" title="'.DNS::getLanguageVariable('pagination.page', array('page' => $pageNo)).'">'.intval($pageNo).'</a></li>'."\n";
 127         }
 128         else {
 129                 return '<li class="active"><a>'.intval($pageNo).'</a></li>'."\n";
 130         }
 131 }
 132
 133 function makePreviousLink($link, $pageNo) {
 134         if ($pageNo > 1) {
 135                 return '<li class="skip"><a href="'.insertPageNumber($link, $pageNo - 1).'" title="'.DNS::getLanguageVariable('pagination.previous').'" class="ttips"><span class="fa fa-angle-double-left"></span></a></li>'."\n";
 136         }
 137         else {
 138                 return '<li class="skip disabled"><span class="fa fa-angle-double-left disabled"></span></li>'."\n";
 139         }
 140 }
 141
 142
 143 function makeNextLink($link, $pageNo, $pages) {
 144         if ($pageNo && $pageNo < $pages) {
 145                 return '<li class="skip"><a href="'.insertPageNumber($link, $pageNo + 1).'" title="'.DNS::getLanguageVariable('pagination.next').'" class="ttips"><span class="fa fa-angle-double-right"></span></a></li>'."\n";
 146         }
 147         else {
 148                 return '<li class="skip disabled"><span class="fa fa-angle-double-right disabled"></span></li>'."\n";
 149         }
 150 }