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449 lines
20 KiB
PHP
449 lines
20 KiB
PHP
<?PHP // $Id$
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/// This page prints a hotpot quiz
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if (defined('HOTPOT_FIRST_ATTEMPT') && HOTPOT_FIRST_ATTEMPT==false) {
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// this script is being included (by attempt.php)
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} else {
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// this script is being called directly from the browser
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define('HOTPOT_FIRST_ATTEMPT', true);
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require_once("../../config.php");
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require_once("lib.php");
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$id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
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$hp = optional_param('hp', 0, PARAM_INT); // hotpot ID
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if ($id) {
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if (! $cm = get_coursemodule_from_id('hotpot', $id)) {
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error("Course Module ID was incorrect");
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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 (! $hotpot = get_record("hotpot", "id", $cm->instance)) {
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error("Course module is incorrect");
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}
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} else {
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if (! $hotpot = get_record("hotpot", "id", $hp)) {
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error("Course module is incorrect");
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}
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if (! $course = get_record("course", "id", $hotpot->course)) {
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error("Course is misconfigured");
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}
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if (! $cm = get_coursemodule_from_instance("hotpot", $hotpot->id, $course->id)) {
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error("Course Module ID was incorrect");
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}
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}
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require_login($course->id);
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$context = get_context_instance(CONTEXT_MODULE, $cm->id);
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}
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// set nextpage (for error messages)
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$nextpage = "$CFG->wwwroot/course/view.php?id=$course->id";
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// header strings
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$title = strip_tags($course->shortname.': '.$hotpot->name);
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$heading = "$course->fullname";
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$target = empty($CFG->framename) ? '' : ' target="'.$CFG->framename.'"';
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$navigation = '<a'.$target.' href="'.$CFG->wwwroot.'/mod/hotpot/index.php?id='.$course->id.'">'.get_string("modulenameplural", "hotpot")."</a> -> $hotpot->name";
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if ($course->category) {
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$navigation = '<a'.$target.' href="'.$CFG->wwwroot.'/course/view.php?id='.$course->id.'">'.$course->shortname.'</a> -> '.$navigation;
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}
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$button = update_module_button($cm->id, $course->id, get_string("modulename", "hotpot").'" style="font-size:0.75em;');
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$loggedinas = '<span class="logininfo">'.user_login_string($course, $USER).'</span>';
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$time = time();
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$hppassword = optional_param('hppassword', '');
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if (HOTPOT_FIRST_ATTEMPT && !has_capability('mod/hotpot:grade', $context)) {
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// check this quiz is available to this student
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// error message, if quiz is unavailable
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$error = '';
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// check quiz is visible
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if (!hotpot_is_visible($cm)) {
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$error = get_string("activityiscurrentlyhidden");
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// check network address
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} else if ($hotpot->subnet && !address_in_subnet($_SERVER['REMOTE_ADDR'], $hotpot->subnet)) {
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$error = get_string("subneterror", "quiz");
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// check number of attempts
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} else if ($hotpot->attempts && $hotpot->attempts <= count_records('hotpot_attempts', 'hotpot', $hotpot->id, 'userid', $USER->id)) {
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$error = get_string("nomoreattempts", "quiz");
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// get password
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} else if ($hotpot->password && empty($hppassword)) {
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print_header($title, $heading, $navigation, "", "", true, $button, $loggedinas, false);
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print_heading($hotpot->name);
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$boxalign = 'center';
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$boxwidth = 500;
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if (trim(strip_tags($hotpot->summary))) {
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print_simple_box_start($boxalign, $boxwidth);
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print '<div align="center">'.format_text($hotpot->summary)."</div>\n";
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print_simple_box_end();
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print "<br />\n";
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}
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print '<form name="passwordform" method="post" action="view.php?id='.$cm->id.'">'."\n";
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print_simple_box_start($boxalign, $boxwidth);
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print '<div align="center">';
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print get_string('requirepasswordmessage', 'quiz').'<br /><br />';
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print '<b>'.get_string('password').':</b> ';
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print '<input name="hppassword" type="password" value=""> ';
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print '<input type="submit" value="'.get_string("ok").'"> ';
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print "</div>\n";
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print_simple_box_end();
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print "</form>\n";
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print_footer();
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exit;
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// check password
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} else if ($hotpot->password && strcmp($hotpot->password, $hppassword)) {
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$error = get_string("passworderror", "quiz");
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$nextpage = "view.php?id=$cm->id";
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// check quiz is open
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} else if ($hotpot->timeopen && $hotpot->timeopen > $time) {
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$error = get_string("quiznotavailable", "quiz", userdate($hotpot->timeopen))."<br />\n";
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// check quiz is not closed
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} else if ($hotpot->timeclose && $hotpot->timeclose < $time) {
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$error = get_string("quizclosed", "quiz", userdate($hotpot->timeclose))."<br />\n";
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}
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if ($error) {
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print_header($title, $heading, $navigation, "", "", true, $button, $loggedinas, false);
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notice($error, $nextpage);
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//
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// script stops here, if quiz is unavailable to student
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//
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}
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}
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$available_msg = '';
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if (!empty($hotpot->timeclose) && $hotpot->timeclose > $time) {
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// quiz is available until 'timeclose'
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$available_msg = get_string("quizavailable", "quiz", userdate($hotpot->timeclose))."<br />\n";
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}
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// open and parse the source file
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if(!$hp = new hotpot_xml_quiz($hotpot)) {
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error("Quiz is unavailable at the moment");
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}
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$get_js = optional_param('js', '', PARAM_ALPHA);
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$get_css = optional_param('css', '', PARAM_ALPHA);
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$framename = optional_param('framename', '', PARAM_ALPHA);
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// look for <frameset> (HP5 v5)
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$frameset = '';
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$frameset_tags = '';
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if (preg_match_all('|<frameset([^>]*)>(.*?)</frameset>|is', $hp->html, $matches)) {
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$last = count($matches[0])-1;
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$frameset = $matches[2][$last];
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$frameset_tags = $matches[1][$last];
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}
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// if HTML is being requested ...
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if (empty($get_js) && empty($get_css)) {
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if (empty($frameset)) {
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// HP v6
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if ($hotpot->navigation==HOTPOT_NAVIGATION_FRAME || $hotpot->navigation==HOTPOT_NAVIGATION_IFRAME) {
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$get_html = ($framename=='main') ? true : false;
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} else {
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$get_html = true;
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}
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} else {
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// HP5 v5
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$get_html = empty($framename) ? true : false;
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}
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if ($get_html) {
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if (HOTPOT_FIRST_ATTEMPT) {
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add_to_log($course->id, "hotpot", "view", "view.php?id=$cm->id", "$hotpot->id", "$cm->id");
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$attemptid = hotpot_add_attempt($hotpot->id);
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if (! is_numeric($attemptid)) {
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error('Could not insert attempt record: '.$db->ErrorMsg);
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}
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}
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$hp->adjust_media_urls();
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if (empty($frameset)) {
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// HP6 v6
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switch ($hotpot->navigation) {
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case HOTPOT_NAVIGATION_BUTTONS:
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// do nothing (i.e. leave buttons as they are)
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break;
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case HOTPOT_NAVIGATION_GIVEUP:
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$hp->insert_giveup_form($attemptid, '<!-- BeginTopNavButtons -->', '<!-- EndTopNavButtons -->');
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break;
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default:
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$hp->remove_nav_buttons();
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}
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if (isset($hp->real_outputformat) && $hp->real_outputformat==HOTPOT_OUTPUTFORMAT_MOBILE) {
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$hp->insert_submission_form($attemptid, '<!-- BeginSubmissionForm -->', '<!-- EndSubmissionForm -->', true);
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} else {
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$hp->insert_submission_form($attemptid, '<!-- BeginSubmissionForm -->', '<!-- EndSubmissionForm -->');
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}
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} else {
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// HP5 v5
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switch ($hotpot->navigation) {
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case HOTPOT_NAVIGATION_BUTTONS:
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// convert URLs in nav buttons
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break;
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case HOTPOT_NAVIGATION_GIVEUP:
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// $hp->insert_giveup_form($attemptid, '<!-- BeginTopNavButtons -->', '<!-- EndTopNavButtons -->');
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break;
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default:
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// remove navigation buttons
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$hp->html = preg_replace('#NavBar\+=(.*);#', '', $hp->html);
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}
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$hp->insert_submission_form($attemptid, "var NavBar='", "';");
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}
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}
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}
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//FEEDBACK = new Array();
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//FEEDBACK[0] = ''; // url of feedback page/script
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//FEEDBACK[1] = ''; // array of array('teachername', 'value');
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//FEEDBACK[2] = ''; // 'student name' [formmail only]
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//FEEDBACK[3] = ''; // 'student email' [formmail only]
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//FEEDBACK[4] = ''; // window width
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//FEEDBACK[5] = ''; // window height
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//FEEDBACK[6] = ''; // 'Send a message to teacher' [prompt/button text]
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//FEEDBACK[7] = ''; // 'Title'
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//FEEDBACK[8] = ''; // 'Teacher'
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//FEEDBACK[9] = ''; // 'Message'
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//FEEDBACK[10] = ''; // 'Close this window'
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$feedback = array();
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switch ($hotpot->studentfeedback) {
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case HOTPOT_FEEDBACK_NONE:
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// do nothing
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break;
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case HOTPOT_FEEDBACK_WEBPAGE:
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if (empty($hotpot->studentfeedbackurl)) {
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$hotpot->studentfeedback = HOTPOT_FEEDBACK_NONE;
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} else {
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$feedback[0] = "'$hotpot->studentfeedbackurl'";
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}
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break;
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case HOTPOT_FEEDBACK_FORMMAIL:
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$teachers = hotpot_feedback_teachers($course, $hotpot);
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if (empty($teachers) || empty($hotpot->studentfeedbackurl)) {
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$hotpot->studentfeedback = HOTPOT_FEEDBACK_NONE;
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} else {
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$feedback[0] = "'$hotpot->studentfeedbackurl'";
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$feedback[1] = $teachers;
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$feedback[2] = "'".fullname($USER)."'";
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$feedback[3] = "'".$USER->email."'";
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$feedback[4] = 500; // width
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$feedback[5] = 300; // height
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}
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break;
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case HOTPOT_FEEDBACK_MOODLEFORUM:
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$module = get_record('modules', 'name', 'forum');
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$forums = get_records('forum', 'course', "$course->id");
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if (empty($module) || empty($module->visible) || empty($forums)) {
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$hotpot->studentfeedback = HOTPOT_FEEDBACK_NONE;
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} else {
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$feedback[0] = "'$CFG->wwwroot/mod/forum/index.php?id=$course->id'";
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}
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break;
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case HOTPOT_FEEDBACK_MOODLEMESSAGING:
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$teachers = hotpot_feedback_teachers($course, $hotpot);
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if (empty($CFG->messaging) || empty($teachers)) {
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$hotpot->studentfeedback = HOTPOT_FEEDBACK_NONE;
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} else {
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$feedback[0] = "'$CFG->wwwroot/message/discussion.php?id='";
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$feedback[1] = $teachers;
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$feedback[4] = 400; // width
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$feedback[5] = 500; // height
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}
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break;
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default:
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// do nothing
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}
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if ($hotpot->studentfeedback != HOTPOT_FEEDBACK_NONE) {
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$feedback[6] = "'Send a message to teacher'";
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$feedback[7] = "'Title'";
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$feedback[8] = "'Teacher'";
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$feedback[9] = "'Message'";
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$feedback[10] = "'Close this window'";
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$js = '';
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foreach ($feedback as $i=>$str) {
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$js .= 'FEEDBACK['.$i."] = $str;\n";
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}
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$js = '<script type="text/javascript" language="javascript">'."<!--\n"."FEEDBACK = new Array();\n".$js."//--></script>\n";
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$hp->html = preg_replace('|</head>|i', "$js</head>", $hp->html, 1);
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}
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// insert hot-potatoes.js
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$hp->insert_script(HOTPOT_JS);
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// extract first <head> tag
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$head = '';
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$pattern = '|<head([^>]*)>(.*?)</head>|is';
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if (preg_match($pattern, $hp->html, $matches)) {
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$head = $matches[2];
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// remove <title>
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$head = preg_replace('|<title[^>]*>(.*?)</title>|is', '', $head);
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}
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// extract <style> tags (and remove from $head)
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$styles = '';
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$pattern = '|<style([^>]*)>(.*?)</style>|is';
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if (preg_match_all($pattern, $head, $matches)) {
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$count = count($matches[0]);
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for ($i=0; $i<$count; $i++) {
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$styles .= $matches[0][$i]."\n";
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$head = str_replace($matches[0][$i], '', $head);
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}
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}
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// extract <script> tags (and remove from $head)
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$scripts = '';
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$pattern = '|<script([^>]*)>(.*?)</script>|is';
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if (preg_match_all($pattern, $head, $matches)) {
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$count = count($matches[0]);
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for ($i=0; $i<$count; $i++) {
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$scripts .= $matches[0][$i]."\n";
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$head = str_replace($matches[0][$i], '', $head);
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}
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}
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// extract <body> tags
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$body = '';
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$body_tags = '';
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$footer = '</html>';
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// HP6 and some HP5 (v6 and v4)
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if (preg_match('|<body'.'([^>]*'.'onLoad=(["\'])(.*?)(\\2)'.'[^>]*)'.'>(.*)</body>|is', $hp->html, $matches)) {
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$body = $matches[5]; // contents of first <body onload="StartUp()">...</body> block
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$body_tags = $matches[1];
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// workaround to ensure javascript onload routine for quiz is always executed
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// $body_tags will only be inserted into the <body ...> tag
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// if it is included in the theme/$CFG->theme/header.html,
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// so some old or modified themes may not insert $body_tags
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$body .= ""
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. '<script type="text/javascript">'."\n"
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. "<!--\n"
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. " var s = (typeof(window.onload)=='function') ? onload.toString() : '';\n"
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. " if (s.indexOf('".$matches[3]."')<0) {\n"
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. " if (s=='') {\n" // no previous onload
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. " window.onload = new Function('".$matches[3]."');\n"
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. " } else {\n"
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. " window.onload_hotpot = onload;\n"
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. " window.onload = new Function('window.onload_hotpot();'+'".$matches[3]."');\n"
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. " }\n"
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. " }\n"
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. "//-->\n"
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. "</script>\n"
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;
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$footer = '</body>'.$footer;
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} else if ($frameset) { // HP5 v5
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switch ($framename) {
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case 'top':
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print_header($title, $heading, $navigation, "", "", true, $button, $loggedinas);
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print $footer;
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break;
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default:
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// add a HotPot navigation frame at the top of the page
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//$rows = empty($CFG->resource_framesize) ? 85 : $CFG->resource_framesize;
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//$frameset = "\n\t".'<frame src="view.php?id='.$cm->id.'&framename=top" frameborder="0" name="top"></frame>'.$frameset;
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//$frameset_tags = preg_replace('|rows="(.*?)"|', 'rows="'.$rows.',\\1"', $frameset_tags);
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// put navigation into var NavBar='';
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// add form to TopFrame in "WriteFeedback" function
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// OR add form to BottomFrame in "DisplayExercise" function
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// submission form: '<!-- BeginSubmissionForm -->', '<!-- EndSubmissionForm -->'
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// give up form: '<!-- BeginTopNavButtons -->', '<!-- EndTopNavButtons -->'
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print "<html>\n";
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print "<head>\n<title>$title</title>\n$styles\n$scripts</head>\n";
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print "<frameset$frameset_tags>$frameset</frameset>\n";
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print "</html>\n";
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break;
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} // end switch $framename
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exit;
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// other files (maybe not even a HotPots)
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} else if (preg_match('|<body'.'([^>]*)'.'>(.*)</body>|is', $hp->html, $matches)) {
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$body = $matches[2];
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$body_tags = $matches[1];
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}
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// print the quiz to the browser
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if ($get_js) {
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print($scripts);
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exit;
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}
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if ($get_css) {
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print($styles);
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exit;
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}
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switch ($hotpot->navigation) {
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case HOTPOT_NAVIGATION_BAR:
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//update_module_button($cm->id, $course->id, $strmodulename.'" style="font-size:0.8em')
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print_header(
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$title, $heading, $navigation,
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"", $head.$styles.$scripts, true, $button,
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$loggedinas, false, $body_tags
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);
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if (!empty($available_msg)) {
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notify($available_msg);
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}
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print $body.$footer;
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break;
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case HOTPOT_NAVIGATION_FRAME:
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switch ($framename) {
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case 'top':
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print_header($title, $heading, $navigation, "", "", true, $button, $loggedinas);
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print $footer;
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break;
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case 'main':
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if (!empty($available_msg)) {
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$hp->insert_message('<!-- BeginTopNavButtons -->', $available_msg);
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}
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print $hp->html;
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break;
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default:
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$rows = empty($CFG->resource_framesize) ? 85 : $CFG->resource_framesize;
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print "<html>\n";
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print "<head><title>$title</title></head>\n";
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print "<frameset rows=$rows,*>\n";
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print "<frame src=\"view.php?id=$cm->id&framename=top\">\n";
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print "<frame src=\"view.php?id=$cm->id&framename=main\">\n";
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print "</frameset>\n";
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print "</html>\n";
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break;
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} // end switch $framename
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break;
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case HOTPOT_NAVIGATION_IFRAME:
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switch ($framename) {
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case 'main':
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print $hp->html;
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break;
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default:
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$iframe_id = 'hotpot_iframe';
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$body_tags = " onload=\"set_iframe_height('$iframe_id')\"";
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$iframe_js = '<script src="iframe.js" type="text/javascript" language="javascript"></script>'."\n";
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print_header(
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$title, $heading, $navigation,
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"", $head.$styles.$scripts.$iframe_js, true, $button,
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$loggedinas, false, $body_tags
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);
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if (!empty($available_msg)) {
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notify($available_msg);
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}
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print "<iframe id=\"$iframe_id\" src=\"view.php?id=$cm->id&framename=main\" height=\"100%\" width=\"100%\">";
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print "<ilayer name=\"$iframe_id\" src=\"view.php?id=$cm->id&framename=main\" height=\"100%\" width=\"100%\">";
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print "</ilayer>\n";
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print "</iframe>\n";
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print $footer;
|
|
break;
|
|
} // end switch $framename
|
|
break;
|
|
default:
|
|
// HOTPOT_NAVIGATION_BUTTONS
|
|
// HOTPOT_NAVIGATION_GIVEUP
|
|
// HOTPOT_NAVIGATION_NONE
|
|
if (!empty($available_msg)) {
|
|
$hp->insert_message('<!-- BeginTopNavButtons -->', $available_msg);
|
|
}
|
|
print($hp->html);
|
|
}
|
|
///////////////////////////////////
|
|
/// functions
|
|
///////////////////////////////////
|
|
function hotpot_feedback_teachers(&$course, &$hotpot) {
|
|
global $CFG;
|
|
$teachers = get_users_by_capability(get_context_instance(CONTEXT_COURSE, $course->id), 'mod/hotpot:grade');
|
|
$teacherdetails = '';
|
|
if (!empty($teachers)) {
|
|
$details = array();
|
|
foreach ($teachers as $teacher) {
|
|
if ($hotpot->studentfeedback==HOTPOT_FEEDBACK_MOODLEMESSAGING) {
|
|
$detail = $teacher->id;
|
|
} else {
|
|
$detail =$teacher->email;
|
|
}
|
|
$details[] = "new Array('".fullname($teacher)."', '$detail')";
|
|
}
|
|
$teacherdetails = 'new Array('.implode(',', $details).");\n";
|
|
}
|
|
return $teacherdetails;
|
|
}
|
|
?>
|