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