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<?php
/**
* @file plugins/generic/roundedCorners/RoundedCornersPlugin.inc.php
*
* Copyright (c) 2013-2019 Simon Fraser University
* Copyright (c) 2007-2009 Juan Pablo Alperin, Gunther Eysenbach
* Distributed under the GNU GPL v2. For full terms see the file docs/COPYING.
*
* @class RoundedCornersPlugin
* @ingroup plugins_generic_roundedCorners
*
* @brief Rounded Corners plugin class
*
*/
import('lib.pkp.classes.plugins.GenericPlugin');
class RoundedCornersPlugin extends GenericPlugin {
function getDisplayName() {
return __('plugins.generic.roundedcorners.displayName');
}
function getDescription() {
return __('plugins.generic.roundedcorners.description');
}
function register($category, $path) {
if (parent::register($category, $path)) {
if (!Config::getVar('general', 'installed') || defined('RUNNING_UPGRADE')) return true;
if ( $this->getEnabled() ) {
HookRegistry::register('TemplateManager::display', array(&$this, 'templateManagerCallback'));
}
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);
$templateMgr->register_outputfilter(array('RoundedCornersPlugin', 'roundOutputFilter'));
}
/**
* Do the work of adding in the <span> blocks
*/
function roundOutputFilter($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;
}
/**
* look for the opening and closing divs with a particular $class in the $subject
* Have to count opening and closing divs since regexes are not so good matching opening and closing tags
*/
function _getDivs($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;
}
}
?>