mirror of
https://github.com/moodle/moodle.git
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2a13e454f9
I also took the opportunity to improve the layout of this message slightly, and clarify the message that tells you that you cannot add or remove questions from the quiz if there are attemts. Merged from MOODLE_19_STABLE.
496 lines
20 KiB
PHP
496 lines
20 KiB
PHP
<?php // $Id$
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// This page prints a particular instance of quiz
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require_once("../../config.php");
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require_once($CFG->libdir.'/blocklib.php');
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require_once($CFG->libdir.'/gradelib.php');
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require_once($CFG->dirroot.'/mod/quiz/locallib.php');
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require_once($CFG->dirroot.'/mod/quiz/pagelib.php');
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$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
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$q = optional_param('q', 0, PARAM_INT); // quiz ID
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$edit = optional_param('edit', -1, PARAM_BOOL);
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if ($id) {
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if (! $cm = get_coursemodule_from_id('quiz', $id)) {
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error("There is no coursemodule with id $id");
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}
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if (! $course = get_record("course", "id", $cm->course)) {
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error("Course is misconfigured");
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}
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if (! $quiz = get_record("quiz", "id", $cm->instance)) {
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error("The quiz with id $cm->instance corresponding to this coursemodule $id is missing");
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}
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} else {
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if (! $quiz = get_record("quiz", "id", $q)) {
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error("There is no quiz with id $q");
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}
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if (! $course = get_record("course", "id", $quiz->course)) {
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error("The course with id $quiz->course that the quiz with id $q belongs to is missing");
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}
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if (! $cm = get_coursemodule_from_instance("quiz", $quiz->id, $course->id)) {
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error("The course module for the quiz with id $q is missing");
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}
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}
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// Check login and get context.
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require_login($course->id, false, $cm);
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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// if no questions have been set up yet redirect to edit.php
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if (!$quiz->questions and has_capability('mod/quiz:manage', $context)) {
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redirect('edit.php?cmid='.$cm->id);
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}
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add_to_log($course->id, "quiz", "view", "view.php?id=$cm->id", $quiz->id, $cm->id);
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// Initialize $PAGE, compute blocks
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$PAGE = page_create_instance($quiz->id);
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$pageblocks = blocks_setup($PAGE);
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$blocks_preferred_width = bounded_number(180, blocks_preferred_width($pageblocks[BLOCK_POS_LEFT]), 210);
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// Print the page header
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if ($edit != -1 and $PAGE->user_allowed_editing()) {
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$USER->editing = $edit;
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}
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//only check pop ups if the user is not a teacher, and popup is set
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$bodytags = (has_capability('mod/quiz:attempt', $context) && $quiz->popup)?'onload="popupchecker(\'' . get_string('popupblockerwarning', 'quiz') . '\');"':'';
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$PAGE->print_header($course->shortname.': %fullname%','',$bodytags);
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echo '<table id="layout-table"><tr>';
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if(!empty($CFG->showblocksonmodpages) && (blocks_have_content($pageblocks, BLOCK_POS_LEFT) || $PAGE->user_is_editing())) {
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echo '<td style="width: '.$blocks_preferred_width.'px;" id="left-column">';
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print_container_start();
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blocks_print_group($PAGE, $pageblocks, BLOCK_POS_LEFT);
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print_container_end();
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echo '</td>';
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}
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echo '<td id="middle-column">';
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print_container_start();
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// Print the main part of the page
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// Print heading and tabs (if there is more than one).
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$currenttab = 'info';
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include('tabs.php');
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// Print quiz name
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print_heading(format_string($quiz->name));
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if (has_capability('mod/quiz:view', $context)) {
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// Print quiz description
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if (trim(strip_tags($quiz->intro))) {
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$formatoptions->noclean = true;
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print_box(format_text($quiz->intro, FORMAT_MOODLE, $formatoptions), 'generalbox', 'intro');
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}
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echo '<div class="quizinfo">';
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// Print information about number of attempts and grading method.
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if ($quiz->attempts > 1) {
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echo "<p>".get_string("attemptsallowed", "quiz").": $quiz->attempts</p>";
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}
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if ($quiz->attempts != 1) {
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echo "<p>".get_string("grademethod", "quiz").": ".quiz_get_grading_option_name($quiz->grademethod)."</p>";
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}
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// Print information about timings.
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$timenow = time();
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$available = ($quiz->timeopen < $timenow and ($timenow < $quiz->timeclose or !$quiz->timeclose));
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if ($available) {
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if ($quiz->timelimit) {
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echo "<p>".get_string("quiztimelimit","quiz", format_time($quiz->timelimit * 60))."</p>";
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}
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if ($quiz->timeopen) {
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echo '<p>', get_string('quizopens', 'quiz'), ': ', userdate($quiz->timeopen), '</p>';
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}
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if ($quiz->timeclose) {
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echo '<p>', get_string('quizcloses', 'quiz'), ': ', userdate($quiz->timeclose), '</p>';
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}
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} else if ($timenow < $quiz->timeopen) {
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echo "<p>".get_string("quiznotavailable", "quiz", userdate($quiz->timeopen))."</p>";
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} else {
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echo "<p>".get_string("quizclosed", "quiz", userdate($quiz->timeclose))."</p>";
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}
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echo '</div>';
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} else {
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$available = false;
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}
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// Show number of attempts summary to those who can view reports.
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if (has_capability('mod/quiz:viewreports', $context)) {
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if ($strattemptnum = quiz_num_attempt_summary($quiz, $cm)) {
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echo '<div class="quizattemptcounts"><a href="report.php?mode=overview&id=' .
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$cm->id . '">' . $strattemptnum . '</a></div>';
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}
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}
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// Guests can't do a quiz, so offer them a choice of logging in or going back.
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if (isguestuser()) {
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$loginurl = $CFG->wwwroot.'/login/index.php';
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if (!empty($CFG->loginhttps)) {
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$loginurl = str_replace('http:','https:', $loginurl);
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}
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notice_yesno('<p>' . get_string('guestsno', 'quiz') . "</p>\n\n</p>" .
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get_string('liketologin') . '</p>', $loginurl, get_referer(false));
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finish_page($course);
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}
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if (!(has_capability('mod/quiz:attempt', $context) || has_capability('mod/quiz:preview', $context))) {
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print_box('<p>' . get_string('youneedtoenrol', 'quiz') . '</p><p>' .
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print_continue($CFG->wwwroot . '/course/view.php?id=' . $course->id, true) .
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'</p>', 'generalbox', 'notice');
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finish_page($course);
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}
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// Get this user's attempts.
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$attempts = quiz_get_user_attempts($quiz->id, $USER->id);
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$unfinished = false;
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if ($unfinishedattempt = quiz_get_user_attempt_unfinished($quiz->id, $USER->id)) {
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$attempts[] = $unfinishedattempt;
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$unfinished = true;
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}
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$numattempts = count($attempts);
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// Work out the final grade, checking whether it was overridden in the gradebook.
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$mygrade = quiz_get_best_grade($quiz, $USER->id);
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$mygradeoverridden = false;
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$gradebookfeedback = '';
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$grading_info = grade_get_grades($course->id, 'mod', 'quiz', $quiz->id, $USER->id);
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if (!empty($grading_info->items)) {
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$item = $grading_info->items[0];
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if (isset($item->grades[$USER->id])) {
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$grade = $item->grades[$USER->id];
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if ($grade->overridden) {
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$mygrade = $grade->grade + 0; // Convert to number.
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$mygradeoverridden = true;
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}
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if (!empty($grade->str_feedback)) {
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$gradebookfeedback = $grade->str_feedback;
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}
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}
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}
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// Print table with existing attempts
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if ($attempts) {
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print_heading(get_string('summaryofattempts', 'quiz'));
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// Get some strings.
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$strattempt = get_string("attempt", "quiz");
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$strtimetaken = get_string("timetaken", "quiz");
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$strtimecompleted = get_string("timecompleted", "quiz");
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$strgrade = get_string("grade");
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$strmarks = get_string('marks', 'quiz');
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$strfeedback = get_string('feedback', 'quiz');
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// Work out which columns we need, taking account what data is available in each attempt.
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list($someoptions, $alloptions) = quiz_get_combined_reviewoptions($quiz, $attempts, $context);
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$gradecolumn = $someoptions->scores && $quiz->grade && $quiz->sumgrades;
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$markcolumn = $gradecolumn && ($quiz->grade != $quiz->sumgrades);
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$overallstats = $alloptions->scores;
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$feedbackcolumn = quiz_has_feedback($quiz->id);
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$overallfeedback = $feedbackcolumn && $alloptions->overallfeedback;
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// prepare table header
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$table->class = 'generaltable quizattemptsummary';
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$table->head = array($strattempt, $strtimecompleted);
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$table->align = array("center", "left");
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$table->size = array("", "");
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if ($markcolumn) {
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$table->head[] = "$strmarks / $quiz->sumgrades";
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$table->align[] = 'center';
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$table->size[] = '';
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}
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if ($gradecolumn) {
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$table->head[] = "$strgrade / $quiz->grade";
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$table->align[] = 'center';
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$table->size[] = '';
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}
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if ($feedbackcolumn) {
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$table->head[] = $strfeedback;
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$table->align[] = 'left';
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$table->size[] = '';
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}
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if (isset($quiz->showtimetaken)) {
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$table->head[] = $strtimetaken;
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$table->align[] = 'left';
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$table->size[] = '';
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}
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// One row for each attempt
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foreach ($attempts as $attempt) {
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$attemptoptions = quiz_get_reviewoptions($quiz, $attempt, $context);
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$row = array();
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// Add the attempt number, making it a link, if appropriate.
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if ($attempt->preview) {
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$row[] = make_review_link(get_string('preview', 'quiz'), $quiz, $attempt);
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} else {
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$row[] = make_review_link($attempt->attempt, $quiz, $attempt);
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}
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// prepare strings for time taken and date completed
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$timetaken = '';
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$datecompleted = '';
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if ($attempt->timefinish > 0) {
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// attempt has finished
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$timetaken = format_time($attempt->timefinish - $attempt->timestart);
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$datecompleted = userdate($attempt->timefinish);
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} else if ($available) {
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// The attempt is still in progress.
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$timetaken = format_time(time() - $attempt->timestart);
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$datecompleted = '';
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} else if ($quiz->timeclose) {
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// The attempt was not completed but is also not available any more becuase the quiz is closed.
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$timetaken = format_time($quiz->timeclose - $attempt->timestart);
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$datecompleted = userdate($quiz->timeclose);
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} else {
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// Something weird happened.
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$timetaken = '';
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$datecompleted = '';
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}
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$row[] = $datecompleted;
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if ($markcolumn && $attempt->timefinish > 0) {
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if ($attemptoptions->scores) {
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$row[] = make_review_link(round($attempt->sumgrades, $quiz->decimalpoints), $quiz, $attempt);
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} else {
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$row[] = '';
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}
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}
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// Ouside the if because we may be showing feedback but not grades.
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$attemptgrade = quiz_rescale_grade($attempt->sumgrades, $quiz);
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if ($gradecolumn) {
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if ($attemptoptions->scores && $attempt->timefinish > 0) {
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$formattedgrade = $attemptgrade;
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// highlight the highest grade if appropriate
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if ($overallstats && $numattempts > 1 && !is_null($mygrade) && $attemptgrade == $mygrade && $quiz->grademethod == QUIZ_GRADEHIGHEST) {
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$table->rowclass[$attempt->attempt] = 'bestrow';
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}
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$row[] = make_review_link($formattedgrade, $quiz, $attempt);
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} else {
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$row[] = '';
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}
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}
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if ($feedbackcolumn && $attempt->timefinish > 0) {
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if ($attemptoptions->overallfeedback) {
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$row[] = quiz_feedback_for_grade($attemptgrade, $quiz->id);
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} else {
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$row[] = '';
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}
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}
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if (isset($quiz->showtimetaken)) {
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$row[] = $timetaken;
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}
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$table->data[$attempt->attempt] = $row;
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} // End of loop over attempts.
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print_table($table);
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}
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// Print information about the student's best score for this quiz if possible.
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$moreattempts = $unfinished || $numattempts < $quiz->attempts || $quiz->attempts == 0;
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if (!$moreattempts) {
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print_heading(get_string("nomoreattempts", "quiz"));
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}
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if ($numattempts && $quiz->sumgrades && !is_null($mygrade)) {
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$resultinfo = '';
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if ($overallstats) {
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if ($available && $moreattempts) {
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$a = new stdClass;
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$a->method = quiz_get_grading_option_name($quiz->grademethod);
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$a->mygrade = $mygrade;
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$a->quizgrade = $quiz->grade;
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$resultinfo .= print_heading(get_string('gradesofar', 'quiz', $a), '', 2, 'main', true);
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} else {
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$resultinfo .= print_heading(get_string('yourfinalgradeis', 'quiz', "$mygrade / $quiz->grade"), '', 2, 'main', true);
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if ($mygradeoverridden) {
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$resultinfo .= '<p class="overriddennotice">'.get_string('overriddennotice', 'grades').'</p>';
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}
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}
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}
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if ($gradebookfeedback) {
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$resultinfo .= print_heading(get_string('comment', 'quiz'), '', 3, 'main', true);
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$resultinfo .= '<p class="quizteacherfeedback">'.$gradebookfeedback.'</p>';
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}
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if ($overallfeedback) {
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$resultinfo .= print_heading(get_string('overallfeedback', 'quiz'), '', 3, 'main', true);
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$resultinfo .= '<p class="quizgradefeedback">'.quiz_feedback_for_grade($mygrade, $quiz->id).'</p>';
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}
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if ($resultinfo) {
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print_box($resultinfo, 'generalbox', 'feedback');
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}
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}
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// Print a button to start/continue an attempt, if appropriate.
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if (!$quiz->questions) {
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print_heading(get_string("noquestions", "quiz"));
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} else if ($available && $moreattempts) {
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echo "<br />";
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echo "<div class=\"quizattempt\">";
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if ($unfinished) {
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if (has_capability('mod/quiz:preview', $context)) {
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$buttontext = get_string('continuepreview', 'quiz');
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} else {
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$buttontext = get_string('continueattemptquiz', 'quiz');
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}
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} else {
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// Work out the appropriate button caption.
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if (has_capability('mod/quiz:preview', $context)) {
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$buttontext = get_string('previewquiznow', 'quiz');
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} else if ($numattempts == 0) {
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$buttontext = get_string('attemptquiznow', 'quiz');
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} else {
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$buttontext = get_string('reattemptquiz', 'quiz');
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}
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// Work out if the quiz is temporarily unavailable because of the delay option.
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if (!empty($attempts)) {
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$tempunavailable = '';
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$lastattempt = end($attempts);
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$lastattempttime = $lastattempt->timefinish;
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if ($numattempts == 1 && $quiz->delay1 && $timenow <= $lastattempttime + $quiz->delay1) {
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$tempunavailable = get_string('temporaryblocked', 'quiz') .
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' <strong>'. userdate($lastattempttime + $quiz->delay1). '</strong>';
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} else if ($numattempts > 1 && $quiz->delay2 && $timenow <= $lastattempttime + $quiz->delay2) {
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$tempunavailable = get_string('temporaryblocked', 'quiz') .
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' <strong>'. userdate($lastattempttime + $quiz->delay2). '</strong>';
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}
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// If so, display a message and prevent the start button from appearing.
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if ($tempunavailable) {
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print_simple_box($tempunavailable, "center");
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print_continue($CFG->wwwroot . '/course/view.php?id=' . $course->id);
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$buttontext = '';
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}
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}
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}
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// Actually print the start button.
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if ($buttontext) {
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$buttontext = htmlspecialchars($buttontext, ENT_QUOTES);
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// Do we need a confirm javascript alert?
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if ($unfinished) {
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$strconfirmstartattempt = '';
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} else if ($quiz->timelimit && $quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string('confirmstartattempttimelimit','quiz', $quiz->attempts));
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} else if ($quiz->timelimit) {
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$strconfirmstartattempt = addslashes(get_string('confirmstarttimelimit','quiz'));
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} else if ($quiz->attempts) {
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$strconfirmstartattempt = addslashes(get_string('confirmstartattemptlimit','quiz', $quiz->attempts));
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} else {
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$strconfirmstartattempt = '';
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}
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// Prepare options depending on whether the quiz should be a popup.
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if (!empty($quiz->popup)) {
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$window = 'quizpopup';
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$windowoptions = "left=0, top=0, height='+window.screen.height+', " .
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"width='+window.screen.width+', channelmode=yes, fullscreen=yes, " .
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"scrollbars=yes, resizeable=no, directories=no, toolbar=no, " .
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"titlebar=no, location=no, status=no, menubar=no";
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} else {
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$window = '_self';
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$windowoptions = '';
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}
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// Determine the URL to use.
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$attempturl = "attempt.php?id=$cm->id";
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if (!empty($CFG->usesid) && !isset($_COOKIE[session_name()])) {
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$attempturl = sid_process_url($attempturl);
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}
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echo '<input type="button" value="'.$buttontext.'" onclick="javascript:';
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if ($strconfirmstartattempt) {
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echo "if (confirm('".addslashes_js($strconfirmstartattempt)."')) ";
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}
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echo "window.open('$attempturl','$window','$windowoptions');", '" />';
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?>
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<noscript>
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<div>
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<?php print_heading(get_string('noscript', 'quiz')); ?>
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</div>
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</noscript>
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<?php
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}
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echo "</div>\n";
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} else {
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print_continue($CFG->wwwroot . '/course/view.php?id=' . $course->id);
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}
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// Should we not be seeing if we need to print right-hand-side blocks?
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finish_page($course);
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|
|
|
// Utility functions =================================================================
|
|
|
|
function finish_page($course) {
|
|
global $THEME;
|
|
print_container_end();
|
|
echo '</td></tr></table>';
|
|
print_footer($course);
|
|
exit;
|
|
}
|
|
|
|
/** Make some text into a link to review the quiz, if that is appropriate. */
|
|
function make_review_link($linktext, $quiz, $attempt) {
|
|
// If not even responses are to be shown in review then we don't allow any review
|
|
if (!($quiz->review & QUIZ_REVIEW_RESPONSES)) {
|
|
return $linktext;
|
|
}
|
|
|
|
// If the quiz is still open, are reviews allowed?
|
|
if ((!$quiz->timeclose or time() < $quiz->timeclose) and !($quiz->review & QUIZ_REVIEW_OPEN)) {
|
|
// If not, don't link.
|
|
return $linktext;
|
|
}
|
|
|
|
// If the quiz is closed, are reviews allowed?
|
|
if (($quiz->timeclose and time() > $quiz->timeclose) and !($quiz->review & QUIZ_REVIEW_CLOSED)) {
|
|
// If not, don't link.
|
|
return $linktext;
|
|
}
|
|
|
|
// If the attempt is still open, don't link.
|
|
if (!$attempt->timefinish) {
|
|
return $linktext;
|
|
}
|
|
|
|
$url = "review.php?q=$quiz->id&attempt=$attempt->id";
|
|
if ($quiz->popup) {
|
|
$windowoptions = "left=0, top=0, channelmode=yes, fullscreen=yes, scrollbars=yes, resizeable=no, directories=no, toolbar=no, titlebar=no, location=no, status=no, menubar=no";
|
|
return link_to_popup_window('/mod/quiz/' . $url, 'quizpopup', $linktext, '+window.screen.height+', '+window.screen.width+', '', $windowoptions, true);
|
|
} else {
|
|
return "<a href='$url'>$linktext</a>";
|
|
}
|
|
}
|
|
?>
|