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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Moodle implementation of RTLCSS.
*
* @package core
* @copyright 2016 Frédéric Massart
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Moodle RTLCSS class.
*
* @package core
* @copyright 2016 Frédéric Massart
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_rtlcss extends \MoodleHQ\RTLCSS\RTLCSS {
/**
* Process a block declaration.
*
* This is overriden in order to provide a backwards compability with the plugins
* who already defined RTL styles the old-fashioned way. Because we do not need
* those any more we rename them so that they do not apply.
*
* @todo Remove the dir-rtl flipping when dir-rtl is fully deprecated.
* @param \Sabberworm\CSS\RuleSet\RuleSet $node The object.
* @return void
*/
protected function processDeclaration($node) {
$selectors = $node instanceof \Sabberworm\CSS\RuleSet\DeclarationBlock ? $node->getSelectors() : [];
foreach ($selectors as $selector) {
// The blocks containing .dir-rtl are always accepted as is.
if (strpos($selector->getSelector(), '.dir-rtl') !== false) {
return;
}
}
return parent::processDeclaration($node);
}
}