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           efrain | 
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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\output\checktyperesults;
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           use core\chart_pie as chart_pie;
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           use core\chart_series as chart_series;
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           use tool_brickfield\accessibility;
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           use tool_brickfield\local\tool\filter;
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           use tool_brickfield\manager;
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           /**
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            * tool_brickfield/checktyperesults renderer
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            *
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            * @package    tool_brickfield
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            * @copyright  2020 onward: Brickfield Education Labs, https://www.brickfield.ie
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            * @author     Mike Churchward
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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 renderer extends \tool_brickfield\output\renderer {
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               /**
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                * Render the page containing the Checktype results report.
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                * @param \stdClass $data
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                * @param filter $filter
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                * @return bool|string
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                * @throws \coding_exception
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                * @throws \dml_exception
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                * @throws \moodle_exception
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                */
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               public function display(\stdClass $data, filter $filter): string {
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                   $templatedata = new \stdClass();
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                   // Set up the page information for the external renderer.
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                   $templatedata->title = accessibility::get_title($filter, $data->countdata);
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                   $templatedata->chartdesc = get_string('pagedesc:checktype', manager::PLUGINNAME);
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                   $templatedata->chartdesctitle = get_string('pagedesctitle:checktype', manager::PLUGINNAME);
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                   // Set up a table of data for the template.
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                   $noerrorsfound = true;
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                   $grouperrors = [];
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                   $labels = [];
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                   $count = 0;
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                   for ($i = 1; (($count < $data->data[0]->groupcount) && ($i < 10)); $i++) {
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                       if (isset($data->data[0]->{'componentlabel' . $i})) {
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                           $grouperrors[] = $data->data[0]->{'errorsvalue' . $i};
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                           if ($data->data[0]->{'errorsvalue' . $i} > 0) {
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                               $noerrorsfound = false;
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                           }
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                           $labels[] = $data->data[0]->{'componentlabel' . $i};
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                           $count++;
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                       }
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                   }
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                   if ($noerrorsfound) {
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                       $templatedata->pagetitle = $templatedata->title;
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                       $templatedata->noerrorsfound = get_string('noerrorsfound', manager::PLUGINNAME);
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                       return $this->render_from_template(manager::PLUGINNAME . '/norecords', $templatedata);
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                   }
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                   $chart = new chart_pie();
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                   $chart->set_doughnut(true);
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                   $series1 = new chart_series(get_string('totalerrors', manager::PLUGINNAME), $grouperrors);
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                   $chart->add_series($series1);
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                   $chart->set_labels($labels);
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                   $chart->set_title(get_string('totalgrouperrors', manager::PLUGINNAME));
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                   $templatedata->chart = $this->render($chart);
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                   return $this->render_from_template(manager::PLUGINNAME . '/chartsingle', $templatedata);
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               }
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           }
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