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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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namespace tool_brickfield\local\htmlchecker\common\checks;
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use tool_brickfield\local\htmlchecker\common\brickfield_accessibility_table_test;
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/**
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* Brickfield accessibility HTML checker library.
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*
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* All data tables contain th elements.
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* Data tables must have th elements while layout tables can not have th elements.
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*
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* @package tool_brickfield
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* @copyright 2020 onward: Brickfield Education Labs, www.brickfield.ie
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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 table_data_should_have_th extends brickfield_accessibility_table_test {
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/** @var int The default severity code for this test. */
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public $defaultseverity = \tool_brickfield\local\htmlchecker\brickfield_accessibility::BA_TEST_SEVERE;
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/**
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* The main check function. This is called by the parent class to actually check content
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*/
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public function check(): void {
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// Remember: We only need to check the first tr in a table and only if there's a single th in there.
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foreach ($this->get_all_elements('table') as $table) {
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foreach ($table->childNodes as $child) {
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if ($this->property_is_equal($child, 'tagName', 'tbody') || $this->property_is_equal($child, 'tagName', 'thead')) {
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foreach ($child->childNodes as $tr) {
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if (!is_null($tr->childNodes)) {
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foreach ($tr->childNodes as $th) {
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if ($this->property_is_equal($th, 'tagName', 'th')) {
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break 3;
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} else {
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$this->add_report($table);
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break 3;
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}
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}
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}
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}
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} else if ($this->property_is_equal($child, 'tagName', 'tr')) {
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foreach ($child->childNodes as $th) {
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if ($this->property_is_equal($th, 'tagName', 'th')) {
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break 2;
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} else {
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$this->add_report($table);
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break 2;
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}
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}
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}
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}
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}
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}
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}
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