NP_ChoppedDisc/NP_ChoppedDisc.php

   1 <?
   2 /* plugin needs to work on Nucleus versions <=2.0 as well
   3 if (!function_exists('sql_table')){
   4         function sql_table($name) {
   5                 return 'nucleus_' . $name;
   6         }
   7 }*/
   8
   9 class NP_ChoppedDisc extends NucleusPlugin
  10 {
  11         function getEventList()
  12         {
  13                 return array();
  14         }
  15
  16         function getName()
  17         {
  18                 return 'Chopped description';
  19         }
  20
  21         function getAuthor()
  22         {
  23                 return 'nakahara21';
  24         }
  25
  26         function getURL()
  27         {
  28                 return 'http://nakahara21.com';
  29         }
  30
  31         function getVersion()
  32         {
  33                 return '0.7';
  34         }
  35
  36         function getDescription()
  37         {
  38                 return 'Chopped description. &lt;%ChoppedDisc(250,1)%&gt;';
  39         }
  40
  41         function supportsFeature($what)
  42         {
  43                 switch ($what) {
  44                         case 'SqlTablePrefix':
  45                                 return 1;
  46                         default:
  47                                 return 0;
  48                 }
  49         }
  50
  51         function parseHighlight($query)
  52         {
  53
  54                 // get rid of quotes
  55                 $query = preg_replace('/\'|"/','',$query);
  56
  57                 if (!query) return array();
  58
  59                 $aHighlight = explode(' ', $query);
  60
  61                 for ($i = 0; $i<count($aHighlight); $i++) {
  62                         $aHighlight[$i] = trim($aHighlight[$i]);
  63 //                      if (strlen($aHighlight[$i]) < 3)
  64 //                              unset($aHighlight[$i]);
  65                 }
  66
  67 //              if (count($aHighlight) == 1)
  68 //                      return $aHighlight[0];
  69 //              else
  70                         return $aHighlight;
  71         }
  72
  73         function splitLastStr($str, $width=5)
  74         {
  75                 $posn = (mb_strwidth($str) > $width)? mb_strwidth($str) - $width: 0;
  76                 $resArray[0] = ($posn) ? mb_strcut($str, 0, $posn, _CHARSET) : '';
  77                 $resArray[1] = ($posn) ? mb_strcut($str, $posn, $width + 2, _CHARSET) : $str;
  78                 return $resArray;
  79         }
  80
  81         function chopStr($str, $query, $maxLength)
  82         {
  83
  84                 $searchclass =& new SEARCH($query);
  85                 $highlight       = $searchclass->inclusive;
  86                 $this->highlights = $this->parseHighlight($highlight);
  87
  88                 if(mb_strwidth($str) <= $maxLength)
  89                         return $str;
  90
  91                 $toated = "...";
  92                 $tLength = mb_strwidth($toated);
  93                 $maxLength = $maxLength - $tLength;
  94
  95                 $text = highlight($str, $this->highlights, '<\0>');
  96                 $text = '< >' . $text;
  97                 preg_match_all('/(<[^>]+>)([^<>]*)/', $text, $matches);
  98                 for($i=0;$i<count($matches[1]);$i++){
  99                         $matches[1][$i] = ereg_replace("<|>", '', $matches[1][$i]);
 100                 }
 101 /*
 102                 print_r($matches);
 103                 echo "<hr />";
 104 */
 105                 for ($i=0;$i<count($this->highlights);$i++) {
 106                         for ($e=0;$e<count($matches[1]);$e++) {
 107                                 if (eregi($this->highlights[$i], $matches[1][$e])) {
 108                                         if (!$hitkey[$i]) {
 109                                                 $hitkey[$i] = $e;
 110                                         }
 111                                 }
 112                         }
 113                 }
 114
 115
 116                 if(!$hitkey){
 117                         $tt = mb_strcut($matches[2][0], 0, $maxLength, _CHARSET);
 118                         if(mb_strwidth($matches[2][0]) > $maxLength) {
 119                                 $tt .= $toated;
 120                         }
 121                 } elseif($hitkey[1]) {
 122                         sort($hitkey);
 123                         foreach ($hitkey as $keyval) {
 124                                 $hitWordArray[] = $matches[1][$keyval];
 125                         }
 126
 127                         $list[0] = array("qlen" => 0, "q" => '');
 128                         $trimLength = intval(($maxLength - mb_strwidth(join("",$hitWordArray))) / (count($hitWordArray) +1));
 129
 130                         $left = $str;
 131                         $i=0;
 132                         while ($i <= count($hitWordArray)) {
 133 //                              $hitWord = $hitWordArray[$i];
 134                                 $tempArray = ($hitWord = $hitWordArray[$i]) ? explode($hitWord, $left, 2) : array($left, '');
 135                                 $preStr = ($hitWord) ? $this->splitLastStr($tempArray[0], 5) : array($left, '');
 136
 137                                 $left = $preStr[1].$hitWord.$tempArray[1];
 138
 139                                 $list[$i]['str'] = $preStr[0];
 140                                 $list[$i]['len'] = mb_strwidth($preStr[0]);
 141
 142                                 $tempTrimLen = $trimLength + $list[$i]['qlen'];
 143
 144                                 if($list[$i]['len'] < $tempTrimLen){
 145                                         $list[$i]['trimlen'] = 0;
 146                                         $addsum += $tempTrimLen - $list[$i]['len'];
 147                                 }else{
 148                                         $list[$i]['trimlen'] = $list[$i]['len'] - $tempTrimLen;
 149                                 }
 150
 151                                 if (!$hitWord) break;
 152                                 $i++;
 153                                 $list[$i]['q'] = $hitWord;
 154                                 $list[$i]['qlen'] = mb_strwidth($hitWord);
 155                         }
 156 //      print_r($list);
 157
 158                         for ($i=0;$i<count($list);$i++) {
 159                                 if ($list[$i]['trimlen'] && ($addsum > 0)) {
 160                                         $list[$i]['trimlen'] = min($list[$i]['trimlen'], $addsum);
 161                                         $addsum -= $list[$i]['trimlen'];
 162                                         $list[$i]['trimlen'] = $trimLength + $list[$i]['trimlen'] + $list[$i]['qlen'];
 163                                 } elseif($list[$i]['trimlen']) {
 164                                         $list[$i]['trimlen'] = $trimLength + $list[$i]['qlen'];
 165                                 } else {
 166                                         $list[$i]['trimlen'] = $list[$i]['len'];
 167                                 }
 168                         }
 169 //      print_r($list);
 170
 171                         $tt = mb_strcut(
 172                                  $list[0]['str'],
 173                                  $list[0]['len'] - $list[0]['trimlen'],
 174                                  $list[0]['trimlen'] + 2,
 175                                  _CHARSET);
 176                         if ($list[0]['len'] > $list[0]['trimlen']) {
 177                                 $tt = $toated.$tt;
 178                         }
 179
 180                         for ($i=1;$i<count($list);$i++) {
 181                                 $tt .= mb_strcut($list[$i]['str'], 0, $list[$i]['trimlen'], _CHARSET);
 182                                 if ($list[$i]['len'] > $list[$i]['trimlen']) {
 183                                         $tt .= $toated;
 184                                 }
 185                         }
 186                 } else {
 187                         $hitWord = $this->highlights[0];
 188                         $keyLength = mb_strwidth($hitWord);
 189
 190                         $splitStr = preg_quote($hitWord);
 191                         list($preStr, $hStr) = preg_split("/$splitStr/i",$str,2);
 192
 193                         $preStrLength = mb_strwidth($preStr);
 194                         $hStrLength = mb_strwidth($hStr);
 195                         $halfLength = intval(($maxLength - $keyLength) / 2);
 196
 197                         $hTrimLength = $preTrimLength = $halfLength;
 198                         $minLength = min($preStrLength, $hStrLength, $halfLength);
 199                         if ($preStrLength == $minLength) {
 200                                 $hTrimLength = $maxLength - $keyLength - $preStrLength;
 201                                 $preTrimLength = $preStrLength;
 202                         }
 203                         if ($hStrLength == $minLength) {
 204                                 $preTrimLength = $maxLength - $keyLength - $hStrLength;
 205                                 $hTrimLength = $hStrLength;
 206                         }
 207
 208                         $tt = mb_strcut($preStr, $preStrLength - $preTrimLength, $preStrLength, _CHARSET);
 209                         $tt .= $matches[1][1];
 210                         $tt .= mb_strcut($hStr, 0, $hTrimLength,_CHARSET);
 211
 212                         if ($preTrimLength < $preStrLength) {
 213                                 $tt = $toated . $tt;
 214                         }
 215                         if ($hTrimLength < $hStrLength) {
 216                                 $tt .= $toated;
 217                         }
 218
 219                 }
 220
 221                 return $tt;
 222
 223 /*
 224                 $temp_str_array = mb_split($query,$str);
 225                 $num = count($temp_str_array);
 226                 foreach($temp_str_array as $key => $temp_str){
 227                         $lastp = mb_strwidth($temp_str);
 228                         if($key>0)
 229                                 $temp_s  = mb_strcut($temp_str, 0, 40, _CHARSET);
 230                         if($key>0 || ($key==0 && $lastp>40))
 231                                 $temp_s .= "...";
 232                         $temp_s .= mb_strcut($temp_str, $lastp-40, $lastp, _CHARSET);
 233                         $str_array[$key] = $temp_s;
 234 //                      if($key>0 && $lastp<83)
 235                         if(($key>0 && $lastp<83) || $key == $num-1)
 236                                 $str_array[$key] = $temp_str;
 237
 238                         $temp_str_length += mb_strwidth($str_array[$key]);
 239                         if($temp_str_length > $maxLength)
 240                                 $str_array[$key] = $temp_str;
 241                 }
 242                 $str = @join($query,$str_array);
 243                 return $str;
 244 */
 245         }
 246
 247         function doTemplateVar(&$item, $maxLength = 250, $addHighlight = 0)
 248         {
 249                 global $CONF, $manager, $member, $catid;
 250                 global $query;
 251
 252                 if ($manager->pluginInstalled('NP_HighlightSource')) {
 253                         $tempPlugin =& $manager->getPlugin('NP_HighlightSource');
 254                         preg_replace_callback("#<hs(|:[^>]+?)>(.*?)</hs>#s", array(&$tempPlugin, 'phpHighlight'), $item->body);
 255                         preg_replace_callback("#<hs(|:[^>]+?)>(.*?)</hs>#s", array(&$tempPlugin, 'phpHighlight'), $item->more);
 256                 }
 257
 258                 $syndicated = strip_tags($item->body);
 259                 $syndicated .= strip_tags($item->more);
 260                 $syndicated = preg_replace("/[\r\n]/", "", $syndicated);
 261
 262                 $syndicated = $this->chopStr($syndicated, $query, $maxLength);
 263
 264 /*
 265                 if ($addHighlight) {
 266                         echo highlight(htmlspecialchars($syndicated), $this->highlights, '<span class="highlight">\0</span>');
 267                 } else {
 268                         echo htmlspecialchars($syndicated);
 269                 }
 270         }
 271 */
 272                 if ($addHighlight) {
 273                         global $currentTemplateName;
 274                         $template =& $manager->getTemplate($currentTemplateName);
 275                         echo highlight($syndicated, $this->highlights, $template['SEARCH_HIGHLIGHT']);
 276                 } else {
 277                         echo $syndicated;
 278                 }
 279         }
 280
 281 }