plugins/generic/roundedCorners/RoundedCornersPlugin.inc.php

<?php

import('classes.plugins.GenericPlugin');

class RoundedCornersPlugin extends GenericPlugin {

   function getName() {
      return 'RoundedCornersPlugin';
   }

   function getDisplayName() {
      return Locale::translate('plugins.generic.roundedcorners.displayName');
   }

   function getDescription() {
      return Locale::translate('plugins.generic.roundedcorners.description');
   }   

   function register($category, $path) {
      if (!Config::getVar('general', 'installed')) return false;
      if (parent::register($category, $path)) { 
         if ( $this->getEnabled() ) {
            HookRegistry::register('TemplateManager::display', array(&$this, 'templateManagerCallback'));
         }
         $this->addLocaleData();
         return true;
      }
      return false;
   }

   function templateManagerCallback($hookName, &$args) {
      $templateMgr =& $args[0]; //TemplateManager::getManager();
      $baseUrl = $templateMgr->get_template_vars('baseUrl');
      $roundedCornerCssUrl = $baseUrl . '/plugins/generic/roundedCorners/roundedcorners.css';
      $templateMgr->addStyleSheet($roundedCornerCssUrl);
      $templateMgr->register_outputfilter(array('RoundedCornersPlugin', 'roundOutputFilter'));
   }

   function getEnabled() {
      $journal = &Request::getJournal();
      if (!$journal) return false;
      return $this->getSetting($journal->getJournalId(), 'enabled');
   }

   function setEnabled($enabled) {
      $journal = &Request::getJournal();
      if ($journal) {
         $this->updateSetting($journal->getJournalId(), 'enabled', $enabled ? true : false);
         return true;
      }
      return false;
   }

   function getManagementVerbs() {
      $verbs = array();
      if ($this->getEnabled()) {
         $verbs[] = array(
            'disable',
            Locale::translate('manager.plugins.disable')
         );
      } else {
         $verbs[] = array(
            'enable',
            Locale::translate('manager.plugins.enable')
         );
      }
      return $verbs;
   }

   function manage($verb, $args) {
      $returner = false;

      $enabled = ( $verb == 'enable' );
      $this->setEnabled($enabled);
      return $returner;    
   }

   function roundOutputFilter($output, &$smarty) {
      $top = '<span class="rtop"><span class="r1"></span><span class="r2"></span><span class="r3"></span><span class="r4"></span></span><div class="roundedCorner">';
      $bottom = '</div><span class="rbottom"><span class="r4"></span><span class="r3"></span><span class="r2"></span><span class="r1"></span></span>';
      $newOutput = $output;

      $matches = RoundedCornersPlugin::_getDivs($newOutput, 'block');
      if (count($matches) > 0) {
         foreach ($matches as $match) {   
            if (preg_match('/<div[^>]+class\=\"block\"[^>]*>(\s*)(<\/div>[^<]*)$/', $match) > 0 ) continue;

            $newBlock = preg_replace('/(<div[^>]+class\=\"block)(\"[^>]*>)/is', "\\1 alreadyRounded\\2$top", $match, PREG_OFFSET_CAPTURE);
            $newBlock = preg_replace('/([^>]*)(<\/div>[^<]*)$/', "\\1$bottom\\2", $newBlock);

            $newOutput = str_replace($match, $newBlock, $newOutput);
         }
      }

      return $newOutput;
   }

   function _getDivs($subject, $class) {
      preg_match_all("/<div[^>]+class\=\"$class\"[^>]*>/is", $subject, $matches, PREG_OFFSET_CAPTURE);

      $matches = $matches[0];
      for ($i=0; $i<count($matches); $i++) {
         $openDivs = 0;
         $closedDivs = 0;
         $divClosePosition = 0;
         $divPosition = array();
         preg_match_all("/<\/?div[^>]*>/is", $subject, $divPosition, PREG_OFFSET_CAPTURE, $matches[$i][1]);
         $divPosition = $divPosition[0];
         for ($i2=0; $i2<count($divPosition); $i2++) {
            if (eregi("\/", $divPosition[$i2][0])) {
               $closedDivs++;
            } else {
               $openDivs++;
            }

            if($closedDivs > $openDivs-1) {
               $divClosePosition = $divPosition[$i2][1];
               $divLength = $divClosePosition+6 - $matches[$i][1];
               $divs[$i] = substr($subject, $matches[$i][1], $divLength);
               break;
            }
         }
      }
      return $divs;
   }
}

?>

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