Current Path : C:/Users/Mahmood/Desktop/moodle/mod/quiz/ |
Current File : C:/Users/Mahmood/Desktop/moodle/mod/quiz/overrides.php |
<?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/>. /** * This page handles listing of quiz overrides * * @package mod_quiz * @copyright 2010 Matt Petro * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ require_once(__DIR__ . '/../../config.php'); require_once($CFG->dirroot.'/mod/quiz/lib.php'); require_once($CFG->dirroot.'/mod/quiz/locallib.php'); require_once($CFG->dirroot.'/mod/quiz/override_form.php'); $cmid = required_param('cmid', PARAM_INT); $mode = optional_param('mode', '', PARAM_ALPHA); // One of 'user' or 'group', default is 'group'. list($course, $cm) = get_course_and_cm_from_cmid($cmid, 'quiz'); $quiz = $DB->get_record('quiz', array('id' => $cm->instance), '*', MUST_EXIST); require_login($course, false, $cm); $context = context_module::instance($cm->id); // Check the user has the required capabilities to list overrides. require_capability('mod/quiz:manageoverrides', $context); $quizgroupmode = groups_get_activity_groupmode($cm); $accessallgroups = ($quizgroupmode == NOGROUPS) || has_capability('moodle/site:accessallgroups', $context); // Get the course groups that the current user can access. $groups = $accessallgroups ? groups_get_all_groups($cm->course) : groups_get_activity_allowed_groups($cm); // Default mode is "group", unless there are no groups. if ($mode != "user" and $mode != "group") { if (!empty($groups)) { $mode = "group"; } else { $mode = "user"; } } $groupmode = ($mode == "group"); $url = new moodle_url('/mod/quiz/overrides.php', array('cmid'=>$cm->id, 'mode'=>$mode)); $PAGE->set_url($url); // Display a list of overrides. $PAGE->set_pagelayout('admin'); $PAGE->set_title(get_string('overrides', 'quiz')); $PAGE->set_heading($course->fullname); echo $OUTPUT->header(); echo $OUTPUT->heading(format_string($quiz->name, true, array('context' => $context))); // Delete orphaned group overrides. $sql = 'SELECT o.id FROM {quiz_overrides} o LEFT JOIN {groups} g ON o.groupid = g.id WHERE o.groupid IS NOT NULL AND g.id IS NULL AND o.quiz = ?'; $params = array($quiz->id); $orphaned = $DB->get_records_sql($sql, $params); if (!empty($orphaned)) { $DB->delete_records_list('quiz_overrides', 'id', array_keys($orphaned)); } $overrides = []; // Fetch all overrides. if ($groupmode) { $colname = get_string('group'); // To filter the result by the list of groups that the current user has access to. if ($groups) { $params = ['quizid' => $quiz->id]; list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED); $params += $inparams; $sql = "SELECT o.*, g.name FROM {quiz_overrides} o JOIN {groups} g ON o.groupid = g.id WHERE o.quiz = :quizid AND g.id $insql ORDER BY g.name"; $overrides = $DB->get_records_sql($sql, $params); } } else { $colname = get_string('user'); list($sort, $params) = users_order_by_sql('u'); $params['quizid'] = $quiz->id; if ($accessallgroups) { $sql = 'SELECT o.*, ' . get_all_user_name_fields(true, 'u') . ' FROM {quiz_overrides} o JOIN {user} u ON o.userid = u.id WHERE o.quiz = :quizid ORDER BY ' . $sort; $overrides = $DB->get_records_sql($sql, $params); } else if ($groups) { list($insql, $inparams) = $DB->get_in_or_equal(array_keys($groups), SQL_PARAMS_NAMED); $params += $inparams; $sql = 'SELECT o.*, ' . get_all_user_name_fields(true, 'u') . ' FROM {quiz_overrides} o JOIN {user} u ON o.userid = u.id JOIN {groups_members} gm ON u.id = gm.userid WHERE o.quiz = :quizid AND gm.groupid ' . $insql . ' ORDER BY ' . $sort; $overrides = $DB->get_records_sql($sql, $params); } } // Initialise table. $table = new html_table(); $table->headspan = array(1, 2, 1); $table->colclasses = array('colname', 'colsetting', 'colvalue', 'colaction'); $table->head = array( $colname, get_string('overrides', 'quiz'), get_string('action'), ); $userurl = new moodle_url('/user/view.php', array()); $groupurl = new moodle_url('/group/overview.php', array('id' => $cm->course)); $overridedeleteurl = new moodle_url('/mod/quiz/overridedelete.php'); $overrideediturl = new moodle_url('/mod/quiz/overrideedit.php'); $hasinactive = false; // Whether there are any inactive overrides. foreach ($overrides as $override) { $fields = array(); $values = array(); $active = true; // Check for inactive overrides. if (!$groupmode) { if (!has_capability('mod/quiz:attempt', $context, $override->userid)) { // User not allowed to take the quiz. $active = false; } else if (!\core_availability\info_module::is_user_visible($cm, $override->userid)) { // User cannot access the module. $active = false; } } // Format timeopen. if (isset($override->timeopen)) { $fields[] = get_string('quizopens', 'quiz'); $values[] = $override->timeopen > 0 ? userdate($override->timeopen) : get_string('noopen', 'quiz'); } // Format timeclose. if (isset($override->timeclose)) { $fields[] = get_string('quizcloses', 'quiz'); $values[] = $override->timeclose > 0 ? userdate($override->timeclose) : get_string('noclose', 'quiz'); } // Format timelimit. if (isset($override->timelimit)) { $fields[] = get_string('timelimit', 'quiz'); $values[] = $override->timelimit > 0 ? format_time($override->timelimit) : get_string('none', 'quiz'); } // Format number of attempts. if (isset($override->attempts)) { $fields[] = get_string('attempts', 'quiz'); $values[] = $override->attempts > 0 ? $override->attempts : get_string('unlimited'); } // Format password. if (isset($override->password)) { $fields[] = get_string('requirepassword', 'quiz'); $values[] = $override->password !== '' ? get_string('enabled', 'quiz') : get_string('none', 'quiz'); } // Icons. $iconstr = ''; // Edit. $editurlstr = $overrideediturl->out(true, array('id' => $override->id)); $iconstr = '<a title="' . get_string('edit') . '" href="'. $editurlstr . '">' . $OUTPUT->pix_icon('t/edit', get_string('edit')) . '</a> '; // Duplicate. $copyurlstr = $overrideediturl->out(true, array('id' => $override->id, 'action' => 'duplicate')); $iconstr .= '<a title="' . get_string('copy') . '" href="' . $copyurlstr . '">' . $OUTPUT->pix_icon('t/copy', get_string('copy')) . '</a> '; // Delete. $deleteurlstr = $overridedeleteurl->out(true, array('id' => $override->id, 'sesskey' => sesskey())); $iconstr .= '<a title="' . get_string('delete') . '" href="' . $deleteurlstr . '">' . $OUTPUT->pix_icon('t/delete', get_string('delete')) . '</a> '; if ($groupmode) { $usergroupstr = '<a href="' . $groupurl->out(true, array('group' => $override->groupid)) . '" >' . $override->name . '</a>'; } else { $usergroupstr = '<a href="' . $userurl->out(true, array('id' => $override->userid)) . '" >' . fullname($override) . '</a>'; } $class = ''; if (!$active) { $class = "dimmed_text"; $usergroupstr .= '*'; $hasinactive = true; } $usergroupcell = new html_table_cell(); $usergroupcell->rowspan = count($fields); $usergroupcell->text = $usergroupstr; $actioncell = new html_table_cell(); $actioncell->rowspan = count($fields); $actioncell->text = $iconstr; for ($i = 0; $i < count($fields); ++$i) { $row = new html_table_row(); $row->attributes['class'] = $class; if ($i == 0) { $row->cells[] = $usergroupcell; } $cell1 = new html_table_cell(); $cell1->text = $fields[$i]; $row->cells[] = $cell1; $cell2 = new html_table_cell(); $cell2->text = $values[$i]; $row->cells[] = $cell2; if ($i == 0) { $row->cells[] = $actioncell; } $table->data[] = $row; } } // Output the table and button. echo html_writer::start_tag('div', array('id' => 'quizoverrides')); if (count($table->data)) { echo html_writer::table($table); } if ($hasinactive) { echo $OUTPUT->notification(get_string('inactiveoverridehelp', 'quiz'), 'dimmed_text'); } echo html_writer::start_tag('div', array('class' => 'buttons')); $options = array(); if ($groupmode) { if (empty($groups)) { // There are no groups. echo $OUTPUT->notification(get_string('groupsnone', 'quiz'), 'error'); $options['disabled'] = true; } echo $OUTPUT->single_button($overrideediturl->out(true, array('action' => 'addgroup', 'cmid' => $cm->id)), get_string('addnewgroupoverride', 'quiz'), 'post', $options); } else { $users = array(); // See if there are any students in the quiz. if ($accessallgroups) { $users = get_users_by_capability($context, 'mod/quiz:attempt', 'u.id'); $nousermessage = get_string('usersnone', 'quiz'); } else if ($groups) { $users = get_users_by_capability($context, 'mod/quiz:attempt', 'u.id', '', '', '', array_keys($groups)); $nousermessage = get_string('usersnone', 'quiz'); } else { $nousermessage = get_string('groupsnone', 'quiz'); } $info = new \core_availability\info_module($cm); $users = $info->filter_user_list($users); if (empty($users)) { // There are no students. echo $OUTPUT->notification($nousermessage, 'error'); $options['disabled'] = true; } echo $OUTPUT->single_button($overrideediturl->out(true, array('action' => 'adduser', 'cmid' => $cm->id)), get_string('addnewuseroverride', 'quiz'), 'get', $options); } echo html_writer::end_tag('div'); echo html_writer::end_tag('div'); // Finish the page. echo $OUTPUT->footer();