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moodle/mod/lesson/report.php

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<?PHP
/**************************************************************************
this file displays the lesson statistics.
**************************************************************************/
require_once('../../config.php');
require_once('locallib.php');
$id = required_param('id', PARAM_INT); // Course Module ID
$pageid = optional_param('pageid', NULL, PARAM_INT); // Lesson Page ID
$action = optional_param('action'); // action to take
if (! $cm = get_record('course_modules', 'id', $id)) {
error('Course Module ID was incorrect');
}
if (! $course = get_record('course', 'id', $cm->course)) {
error('Course is misconfigured');
}
if (! $lesson = get_record('lesson', 'id', $cm->instance)) {
error('Course module is incorrect');
}
if (! $attempts = get_records('lesson_attempts', 'lessonid', $lesson->id, 'timeseen')) {
error('Could not find any attempts for this lesson');
}
if (! $students = get_records_sql("SELECT DISTINCT u.*
FROM {$CFG->prefix}user u,
{$CFG->prefix}lesson_attempts a
WHERE a.lessonid = '$lesson->id' and
u.id = a.userid
ORDER BY u.lastname")) {
error("Error: could not find users");
}
if (! $grades = get_records('lesson_grades', 'lessonid', $lesson->id, 'completed')) {
$grades = array();
}
if (! $times = get_records('lesson_timer', 'lessonid', $lesson->id, 'starttime')) {
$times = array();
}
// make sure people are where they should be
require_login($course->id, false);
if (!isteacheredit($course->id)) {
error("Must be teacher to view Reports");
}
/// Print the page header
$strlessons = get_string('modulenameplural', 'lesson');
if ($course->category) {
$navigation = '<a href="../../course/view.php?id='. $course->id .'">'. $course->shortname .'</a> ->';
}
$button = '<form target="'. $CFG->framename .'" method="get" action="'. $CFG->wwwroot .'/course/mod.php">'.
'<input type="hidden" name="update" value="'. $cm->id .'" />'.
'<input type="hidden" name="sesskey" value="'. $USER->sesskey .'" />'.
'<input type="hidden" name="return" value="true" />'.
'<input type="submit" value="'. get_string('editlessonsettings', 'lesson') .'" /></form>';
print_header($course->shortname .': '. format_string($lesson->name), $course->fullname,
"$navigation <A HREF=index.php?id=$course->id>$strlessons</A> -> <a href=\"view.php?id=$cm->id\">".format_string($lesson->name,true)."</a>
-> <a href=\"report.php?id=$cm->id\">".get_string("report", "lesson")."</a>",
'', '', true, $button,
navmenu($course, $cm));
print_heading(get_string("lesson", "lesson", format_string($lesson->name)), "center", 5);
// navigational links
$detaillink = "<a href=\"report.php?id=$cm->id&amp;action=detail\">".get_string("detailedstats", "lesson")."</a>";
$overviewlink = "<a href=\"report.php?id=$cm->id\">".get_string("overview", "lesson")."</a>";
print_heading($overviewlink."&nbsp;&nbsp;&nbsp;".$detaillink);
/**************************************************************************
this action is for default view and overview view
**************************************************************************/
if (empty($action) || $action == 'view') {
$studentdata = array();
// build an array for output
foreach ($attempts as $attempt) {
// if the user is not in the array or if the retry number is not in the sub array, add the data for that try.
if (!array_key_exists($attempt->userid, $studentdata) || !array_key_exists($attempt->retry, $studentdata[$attempt->userid])) {
// restore/setup defaults
$n = 0;
$timestart = 0;
$timeend = 0;
$usergrade = NULL;
// search for the grade record for this try. if not there, the nulls defined above will be used.
foreach($grades as $grade) {
// check to see if the grade matches the correct user
if ($grade->userid == $attempt->userid) {
// see if n is = to the retry
if ($n == $attempt->retry) {
// get grade info
$usergrade = round($grade->grade, 2); // round it here so we only have to do it once
break;
}
$n++; // if not equal, then increment n
}
}
$n = 0;
// search for the time record for this try. if not there, the nulls defined above will be used.
foreach($times as $time) {
// check to see if the grade matches the correct user
if ($time->userid == $attempt->userid) {
// see if n is = to the retry
if ($n == $attempt->retry) {
// get grade info
$timeend = $time->lessontime;
$timestart = $time->starttime;
break;
}
$n++; // if not equal, then increment n
}
}
// build up the array.
// this array represents each student and all of their tries at the lesson
$studentdata[$attempt->userid][$attempt->retry] = array( "timestart" => $timestart,
"timeend" => $timeend,
"grade" => $usergrade,
"try" => $attempt->retry,
"userid" => $attempt->userid);
}
}
// set all the stats variables
$numofattempts = 0;
$avescore = 0;
$avetime = 0;
$highscore = NULL;
$lowscore = NULL;
$hightime = NULL;
$lowtime = NULL;
$table = new stdClass;
// set up the table object
$table->head = array(get_string('studentname', 'lesson', $course->student), get_string('attempts', 'lesson'), get_string('highscore', 'lesson'));
$table->align = array("center", "left", "left");
$table->wrap = array("nowrap", "nowrap", "nowrap");
$table->width = "90%";
$table->size = array("*", "70%", "*");
// print out the $studentdata array
// going through each student that has attempted the lesson, so, each student should have something to be displayed
foreach ($students as $student) {
// check to see if the student has attempts to print out
if (array_key_exists($student->id, $studentdata)) {
// set/reset some variables
$attempts = array();
// gather the data for each user attempt
$bestgrade = 0;
$bestgradefound = false;
// $tries holds all the tries/retries a student has done
$tries = $studentdata[$student->id];
$studentname = "{$student->lastname},&nbsp;$student->firstname";
foreach ($tries as $try) {
// start to build up the link
$temp = "<a href=\"report.php?id=$cm->id&amp;action=detail&amp;userid=".$try["userid"]."&amp;try=".$try["try"]."\">";
if ($try["grade"] !== NULL) { // if NULL then not done yet
// this is what the link does when the user has completed the try
$timetotake = $try["timeend"] - $try["timestart"];
$temp .= $try["grade"]."%";
$bestgradefound = true;
if ($try["grade"] > $bestgrade) {
$bestgrade = $try["grade"];
}
$temp .= "&nbsp;".userdate($try["timestart"]);
$temp .= ",&nbsp;(".format_time($timetotake).")</a>";
} else {
// this is what the link does/looks like when the user has not completed the try
$temp .= get_string("notcompleted", "lesson");
$temp .= "&nbsp;".userdate($try["timestart"])."</a>";
$timetotake = NULL;
}
// build up the attempts array
$attempts[] = $temp;
// run these lines for the stats only if the user finnished the lesson
if ($try["grade"] !== NULL) {
$numofattempts++;
$avescore += $try["grade"];
$avetime += $timetotake;
if ($try["grade"] > $highscore || $highscore == NULL) {
$highscore = $try["grade"];
}
if ($try["grade"] < $lowscore || $lowscore == NULL) {
$lowscore = $try["grade"];
}
if ($timetotake > $hightime || $hightime == NULL) {
$hightime = $timetotake;
}
if ($timetotake < $lowtime || $lowtime == NULL) {
$lowtime = $timetotake;
}
}
}
// get line breaks in after each attempt
$attempts = implode("<br />\n", $attempts);
// add it to the table data[] object
$table->data[] = array($studentname, $attempts, $bestgrade."%");
}
}
// print it all out !
print_table($table);
// some stat calculations
if ($numofattempts == 0) {
$avescore = get_string("notcompleted", "lesson");
} else {
$avescore = format_float($avescore/$numofattempts, 2, ".", ",");
}
if ($avetime == NULL) {
$avetime = get_string("notcompleted", "lesson");
} else {
$avetime = format_float($avetime/$numofattempts, 0, ".", ",");
$avetime = format_time($avetime);
}
if ($hightime == NULL) {
$hightime = get_string("notcompleted", "lesson");
} else {
$hightime = format_time($hightime);
}
if ($lowtime == NULL) {
$lowtime = get_string("notcompleted", "lesson");
} else {
$lowtime = format_time($lowtime);
}
if ($highscore == NULL) {
$highscore = get_string("notcompleted", "lesson");
}
if ($lowscore == NULL) {
$lowscore = get_string("notcompleted", "lesson");
}
// output the stats
print_heading(get_string('lessonstats', 'lesson'));
$stattable = new stdClass;
$stattable->head = array(get_string('averagescore', 'lesson'), get_string('averagetime', 'lesson'),
get_string('highscore', 'lesson'), get_string('lowscore', 'lesson'),
get_string('hightime', 'lesson'), get_string('lowtime', 'lesson'));
$stattable->align = array("center", "center", "center", "center", "center", "center");
$stattable->wrap = array("nowrap", "nowrap", "nowrap", "nowrap", "nowrap", "nowrap");
$stattable->width = "90%";
$stattable->size = array("*", "*", "*", "*", "*", "*");
$stattable->data[] = array($avescore, $avetime, $highscore, $lowscore, $hightime, $lowtime);
print_table($stattable);
}
/**************************************************************************
this action is for a student detailed view and for the general detailed view
General flow of this section of the code
1. Generate a object which holds values for the statistics for each question/answer
2. Cycle through all the pages to create a object. Foreach page, see if the student actually answered
the page. Then process the page appropriatly. Display all info about the question,
Highlight correct answers, show how the user answered the question, and display statistics
about each page
3. Print out info about the try (if needed)
4. Print out the object which contains all the try info
**************************************************************************/
else if ($action == 'detail') {
$formattextdefoptions->para = false; //I'll use it widely in this page
$userid = optional_param('userid', NULL, PARAM_INT); // if empty, then will display the general detailed view
$try = optional_param('try', NULL, PARAM_INT);
if (! $lessonpages = get_records("lesson_pages", "lessonid", $lesson->id)) {
error("Could not find Lesson Pages");
}
if (! $pageid = get_field("lesson_pages", "id", "lessonid", $lesson->id, "prevpageid", 0)) {
error("Could not find first page");
}
if (!empty($userid)) {
// print out users name
$headingobject->lastname = $students[$userid]->lastname;
$headingobject->firstname = $students[$userid]->firstname;
$headingobject->attempt = $try + 1;
print_heading(get_string("studentattemptlesson", "lesson", $headingobject));
}
// now gather the stats into an object
$firstpageid = $pageid;
$pagestats = array();
while ($pageid != 0) { // EOL
$page = $lessonpages[$pageid];
if ($allanswers = get_records_select("lesson_attempts", "lessonid = $lesson->id AND pageid = $page->id", "timeseen")) {
// get them ready for processing
$orderedanswers = array();
foreach ($allanswers as $singleanswer) {
// ordering them like this, will help to find the single attempt record that we want to keep.
$orderedanswers[$singleanswer->userid][$singleanswer->retry][] = $singleanswer;
}
// this is foreach user and for each try for that user, keep one attempt record
foreach ($orderedanswers as $orderedanswer) {
foreach($orderedanswer as $tries) {
if(count($tries) > $lesson->maxattempts) { // if there are more tries than the max that is allowed, grab the last "legal" attempt
$temp = $tries[$lesson->maxattempts - 1];
} else {
// else, user attempted the question less than the max, so grab the last one
$temp = end($tries);
}
// page interpretation
// depending on the page type, process stat info for that page
switch ($page->qtype) {
case LESSON_MULTICHOICE:
case LESSON_TRUEFALSE:
if ($page->qoption) {
$userresponse = explode(",", $temp->useranswer);
foreach ($userresponse as $response) {
if (isset($pagestats[$temp->pageid][$response])) {
$pagestats[$temp->pageid][$response]++;
} else {
$pagestats[$temp->pageid][$response] = 1;
}
}
} else {
if (isset($pagestats[$temp->pageid][$temp->answerid])) {
$pagestats[$temp->pageid][$temp->answerid]++;
} else {
$pagestats[$temp->pageid][$temp->answerid] = 1;
}
}
if (isset($pagestats[$temp->pageid]["total"])) {
$pagestats[$temp->pageid]["total"]++;
} else {
$pagestats[$temp->pageid]["total"] = 1;
}
break;
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
if (isset($pagestats[$temp->pageid][$temp->useranswer])) {
$pagestats[$temp->pageid][$temp->useranswer]++;
} else {
$pagestats[$temp->pageid][$temp->useranswer] = 1;
}
if (isset($pagestats[$temp->pageid]["total"])) {
$pagestats[$temp->pageid]["total"]++;
} else {
$pagestats[$temp->pageid]["total"] = 1;
}
break;
case LESSON_MATCHING:
if ($temp->correct) {
if (isset($pagestats[$temp->pageid]["correct"])) {
$pagestats[$temp->pageid]["correct"]++;
} else {
$pagestats[$temp->pageid]["correct"] = 1;
}
}
if (isset($pagestats[$temp->pageid]["total"])) {
$pagestats[$temp->pageid]["total"]++;
} else {
$pagestats[$temp->pageid]["total"] = 1;
}
break;
case LESSON_ESSAY:
$essayinfo = unserialize($temp->useranswer);
if ($essayinfo->graded) {
if (isset($pagestats[$temp->pageid])) {
$essaystats = $pagestats[$temp->pageid];
$essaystats->totalscore += $essayinfo->score;
$essaystats->total++;
$pagestats[$temp->pageid] = $essaystats;
} else {
$essaystats->totalscore = $essayinfo->score;
$essaystats->total = 1;
$pagestats[$temp->pageid] = $essaystats;
}
}
break;
}
}
}
} else {
// no one answered yet...
}
//unset($orderedanswers); initialized above now
$pageid = $page->nextpageid;
}
$answerpages = array();
$answerpage = "";
$pageid = $firstpageid;
// cycle through all the pages
// foreach page, add to the $answerpages[] array all the data that is needed
// from the question, the users attempt, and the statistics
// grayout pages that the user did not answer and Branch, end of branch, cluster
// and end of cluster pages
while ($pageid != 0) { // EOL
$page = $lessonpages[$pageid];
$answerpage = new stdClass;
$data ='';
$answerdata = new stdClass;
$answerpage->title = format_string($page->title);
$options = new stdClass;
$options->noclean = true;
$answerpage->contents = format_text($page->contents, FORMAT_MOODLE, $options);
// get the page qtype
switch ($page->qtype) {
case LESSON_ESSAY :
case LESSON_MATCHING :
case LESSON_TRUEFALSE :
case LESSON_NUMERICAL :
$answerpage->qtype = $LESSON_QUESTION_TYPE[$page->qtype];
$answerpage->grayout = 0;
break;
case LESSON_SHORTANSWER :
$answerpage->qtype = $LESSON_QUESTION_TYPE[$page->qtype];
if ($page->qoption) {
$answerpage->qtype .= " - ".get_string("casesensitive", "lesson");
}
$answerpage->grayout = 0;
break;
case LESSON_MULTICHOICE :
$answerpage->qtype = $LESSON_QUESTION_TYPE[$page->qtype];
if ($page->qoption) {
$answerpage->qtype .= " - ".get_string("multianswer", "lesson");
}
$answerpage->grayout = 0;
break;
case LESSON_BRANCHTABLE :
$answerpage->qtype = get_string("branchtable", "lesson");
$answerpage->grayout = 1;
break;
case LESSON_ENDOFBRANCH :
$answerpage->qtype = get_string("endofbranch", "lesson");
$answerpage->grayout = 1;
break;
case LESSON_CLUSTER :
$answerpage->qtype = get_string("clustertitle", "lesson");
$answerpage->grayout = 1;
break;
case LESSON_ENDOFCLUSTER :
$answerpage->qtype = get_string("endofclustertitle", "lesson");
$answerpage->grayout = 1;
break;
}
if (empty($userid)) {
// there is no userid, so set these vars and display stats.
$answerpage->grayout = 0;
$useranswer = NULL;
$answerdata->score = NULL;
$answerdata->response = NULL;
} elseif ($useranswers = get_records_select("lesson_attempts",
"lessonid = $lesson->id AND userid = $userid AND retry = $try AND pageid = $page->id", "timeseen")) {
// get the user's answer for this page
// need to find the right one
$i = 0;
foreach ($useranswers as $userattempt) {
$useranswer = $userattempt;
$i++;
if ($lesson->maxattempts == $i) {
break; // reached maxattempts, break out
}
}
} else {
// user did not answer this page, gray it out and set some nulls
$answerpage->grayout = 1;
$useranswer = NULL;
$answerdata->score = NULL;
$answerdata->response = NULL;
}
// build up the answer data
if ($answers = get_records("lesson_answers", "pageid", $page->id, "id")) {
$i = 0;
$n = 0;
// go through each answer and display it properly with statistics, highlight if correct answer,
// and display what the user entered
foreach ($answers as $answer) {
switch ($page->qtype) {
case LESSON_MULTICHOICE:
case LESSON_TRUEFALSE:
if ($page->qoption) {
$userresponse = explode(",", $useranswer->useranswer);
if (in_array($answer->id, $userresponse)) {
// make checked
$data = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
if (!isset($answerdata->response)) {
if ($answer->response == NULL) {
if ($useranswer->correct) {
$answerdata->response = get_string("thatsthecorrectanswer", "lesson");
} else {
$answerdata->response = get_string("thatsthewronganswer", "lesson");
}
} else {
$answerdata->response = $answer->response;
}
}
if (!isset($answerdata->score)) {
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
} elseif ($useranswer->correct) {
$answerdata->score = get_string("receivedcredit", "lesson");
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
}
} else {
// unchecked
$data = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";
}
if (($answer->score > 0 && $lesson->custom) || (lesson_iscorrect($page->id, $answer->jumpto) && !$lesson->custom)) {
$data .= "<font class=highlight>".format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions)."</font>";
} else {
$data .= format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions);
}
} else {
if ($answer->id == $useranswer->answerid) {
// make checked
$data = "<input readonly=\"readonly\" disabled=\"disabled\" name=\"answer[$i]\" checked=\"checked\" type=\"checkbox\" value=\"1\" />";
if ($answer->response == NULL) {
if ($useranswer->correct) {
$answerdata->response = get_string("thatsthecorrectanswer", "lesson");
} else {
$answerdata->response = get_string("thatsthewronganswer", "lesson");
}
} else {
$answerdata->response = $answer->response;
}
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
} elseif ($useranswer->correct) {
$answerdata->score = get_string("receivedcredit", "lesson");
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
} else {
// unchecked
$data = "<input type=\"checkbox\" readonly=\"readonly\" name=\"answer[$i]\" value=\"0\" disabled=\"disabled\" />";
}
if (($answer->score > 0 && $lesson->custom) || (lesson_iscorrect($page->id, $answer->jumpto) && !$lesson->custom)) {
$data .= "<font class=\"highlight\">".format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions)."</font>";
} else {
$data .= format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions);
}
}
if (isset($pagestats[$page->id][$answer->id])) {
$percent = $pagestats[$page->id][$answer->id] / $pagestats[$page->id]["total"] * 100;
$percent = round($percent, 2);
$percent .= "% ".get_string("checkedthisone", "lesson");
} else {
$percent = get_string("noonecheckedthis", "lesson");
}
$answerdata->answers[] = array($data, $percent);
break;
case LESSON_SHORTANSWER:
case LESSON_NUMERICAL:
if ($useranswer == NULL && $i == 0) {
// I have the $i == 0 because it is easier to blast through it all at once.
if (isset($pagestats[$page->id])) {
$stats = $pagestats[$page->id];
$total = $stats["total"];
unset($stats["total"]);
foreach ($stats as $valentered => $ntimes) {
$data = "<input type=\"text\" size=\"50\" disabled=\"disabled\" readonly=\"readonly\" value=\"$valentered\">";
$percent = $ntimes / $total * 100;
$percent = round($percent, 2);
$percent .= "% ".get_string("enteredthis", "lesson");
$answerdata->answers[] = array($data, $percent);
}
} else {
$answerdata->answers[] = array(get_string("nooneansweredthisquestion", "lesson"), " ");
}
$i++;
} else if ($answer->id == $useranswer->answerid && $useranswer != NULL) {
// get in here when a user answer matches one of the answers to the page
$data = "<input type=\"text\" size=\"50\" disabled=\"disabled\" readonly=\"readonly\" value=\"$useranswer->useranswer\">";
if (isset($pagestats[$page->id][$useranswer->useranswer])) {
$percent = $pagestats[$page->id][$useranswer->useranswer] / $pagestats[$page->id]["total"] * 100;
$percent = round($percent, 2);
$percent .= "% ".get_string("enteredthis", "lesson");
} else {
$percent = get_string("nooneenteredthis", "lesson");
}
$answerdata->answers[] = array($data, $percent);
if ($answer->response == NULL) {
if ($useranswer->correct) {
$answerdata->response = get_string("thatsthecorrectanswer", "lesson");
} else {
$answerdata->response = get_string("thatsthewronganswer", "lesson");
}
} else {
$answerdata->response = $answer->response;
}
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
} elseif ($useranswer->correct) {
$answerdata->score = get_string("receivedcredit", "lesson");
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
} elseif ($answer == end($answers) && empty($answerdata) && $useranswer != NULL) {
// get in here when what the user entered is not one of the answers
$data = "<input type=\"text\" size=\"50\" disabled=\"disabled\" readonly=\"readonly\" value=\"$useranswer->useranswer\">";
if (isset($pagestats[$page->id][$useranswer->useranswer])) {
$percent = $pagestats[$page->id][$useranswer->useranswer] / $pagestats[$page->id]["total"] * 100;
$percent = round($percent, 2);
$percent .= "% ".get_string("enteredthis", "lesson");
} else {
$percent = get_string("nooneenteredthis", "lesson");
}
$answerdata->answers[] = array($data, $percent);
$answerdata->response = get_string("thatsthewronganswer", "lesson");
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": 0";
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
}
break;
case LESSON_MATCHING:
if ($n == 0 && $useranswer->correct) {
if ($answer->response == NULL && $useranswer != NULL) {
$answerdata->response = get_string("thatsthecorrectanswer", "lesson");
} else {
$answerdata->response = $answer->response;
}
} elseif ($n == 1 && !$useranswer->correct) {
if ($answer->response == NULL && $useranswer != NULL) {
$answerdata->response = get_string("thatsthewronganswer", "lesson");
} else {
$answerdata->response = $answer->response;
}
} elseif ($n > 1) {
if ($n == 2 && $useranswer->correct && $useranswer != NULL) {
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
} else {
$answerdata->score = get_string("receivedcredit", "lesson");
}
} elseif ($n == 3 && !$useranswer->correct && $useranswer != NULL) {
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$answer->score;
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
}
$data = "<select disabled=\"disabled\"><option selected>".strip_tags(format_text($answer->answer,FORMAT_MOODLE,$formattextdefoptions))."</option></select>";
if ($useranswer != NULL) {
$userresponse = explode(",", $useranswer->useranswer);
$data .= "<select disabled=\"disabled\"><option selected>".strip_tags(format_string($answers[$userresponse[$i]]->response,FORMAT_PLAIN,$formattextdefoptions))."</option></select>";
} else {
$data .= "<select disabled=\"disabled\"><option selected>".strip_tags(format_string($answer->response,FORMAT_PLAIN,$formattextdefoptions))."</option></select>";
}
if ($n == 2) {
if (isset($pagestats[$page->id])) {
$percent = $pagestats[$page->id]["correct"] / $pagestats[$page->id]["total"] * 100;
$percent = round($percent, 2);
$percent .= "% ".get_string("answeredcorrectly", "lesson");
} else {
$percent = get_string("nooneansweredthisquestion", "lesson");
}
} else {
$percent = "";
}
$answerdata->answers[] = array($data, $percent);
$i++;
}
$n++;
break;
case LESSON_ESSAY :
if ($useranswer != NULL) {
$essayinfo = unserialize($useranswer->useranswer);
if ($essayinfo->response == NULL) {
$answerdata->response = get_string("nocommentyet", "lesson");
} else {
$answerdata->response = $essayinfo->response;
}
if (isset($pagestats[$page->id])) {
$percent = $pagestats[$page->id]->totalscore / $pagestats[$page->id]->total * 100;
$percent = round($percent, 2);
$percent = get_string("averagescore", "lesson").": ". $percent ."%";
} else {
// dont think this should ever be reached....
$percent = get_string("nooneansweredthisquestion", "lesson");
}
if ($essayinfo->graded) {
if ($lesson->custom) {
$answerdata->score = get_string("pointsearned", "lesson").": ".$essayinfo->score;
} elseif ($essayinfo->score) {
$answerdata->score = get_string("receivedcredit", "lesson");
} else {
$answerdata->score = get_string("didnotreceivecredit", "lesson");
}
} else {
$answerdata->score = get_string("havenotgradedyet", "lesson");
}
} else {
$essayinfo->answer = get_string("didnotanswerquestion", "lesson");
}
if (isset($pagestats[$page->id])) {
$avescore = $pagestats[$page->id]->totalscore / $pagestats[$page->id]->total;
$avescore = round($avescore, 2);
$avescore = get_string("averagescore", "lesson").": ". $avescore ;
} else {
// dont think this should ever be reached....
$avescore = get_string("nooneansweredthisquestion", "lesson");
}
$answerdata->answers[] = array($essayinfo->answer, $avescore);
break;
case LESSON_BRANCHTABLE :
$data = "<input type=\"button\" name=\"$answer->id\" value=\"".strip_tags(format_text($answer->answer, FORMAT_MOODLE,$formattextdefoptions))."\" disabled=\"disabled\"> ";
$data .= get_string("jumptsto", "lesson").": ";
if ($answer->jumpto == 0) {
$data .= get_string("thispage", "lesson");
} elseif ($answer->jumpto == LESSON_NEXTPAGE) {
$data .= get_string("nextpage", "lesson");
} elseif ($answer->jumpto == LESSON_EOL) {
$data .= get_string("endoflesson", "lesson");
} elseif ($answer->jumpto == LESSON_UNSEENBRANCHPAGE) {
$data .= get_string("unseenpageinbranch", "lesson");
} elseif ($answer->jumpto == LESSON_PREVIOUSPAGE) {
$data .= get_string("previouspage", "lesson");
} elseif ($answer->jumpto == LESSON_RANDOMPAGE) {
$data .= get_string("randompageinbranch", "lesson");
} elseif ($answer->jumpto == LESSON_RANDOMBRANCH) {
$data .= get_string("randombranch", "lesson");
} elseif ($answer->jumpto == LESSON_CLUSTERJUMP) {
$data .= get_string("clusterjump", "lesson");
} else {
$data .= format_string($lessonpages[$answer->jumpto]->title)." ".get_string("page", "lesson");
}
$answerdata->answers[] = array($data, "");
$answerpage->grayout = 1; // always grayed out
break;
case LESSON_ENDOFBRANCH :
case LESSON_CLUSTER :
case LESSON_ENDOFCLUSTER :
$data = get_string("jumptsto", "lesson").": ";
if ($answer->jumpto == 0) {
$data .= get_string("thispage", "lesson");
} elseif ($answer->jumpto == LESSON_NEXTPAGE) {
$data .= get_string("nextpage", "lesson");
} elseif ($answer->jumpto == LESSON_EOL) {
$data .= get_string("endoflesson", "lesson");
} elseif ($answer->jumpto == LESSON_UNSEENBRANCHPAGE) {
$data .= get_string("unseenpageinbranch", "lesson");
} elseif ($answer->jumpto == LESSON_PREVIOUSPAGE) {
$data .= get_string("previouspage", "lesson");
} elseif ($answer->jumpto == LESSON_RANDOMPAGE) {
$data .= get_string("randompageinbranch", "lesson");
} elseif ($answer->jumpto == LESSON_RANDOMBRANCH) {
$data .= get_string("randombranch", "lesson");
} elseif ($answer->jumpto == LESSON_CLUSTERJUMP) {
$data .= get_string("clusterjump", "lesson");
} else {
$data .= format_string($lessonpages[$answer->jumpto]->title)." ".get_string("page", "lesson");
}
$answerdata->answers[] = array($data, "");
$answerpage->grayout = 1; // always grayed out
break;
}
if (isset($answerdata)) {
$answerpage->answerdata = $answerdata;
}
}
$answerpages[] = $answerpage;
}
$pageid = $page->nextpageid;
}
/// actually start printing something
$table = new stdClass;
$table->wrap = array();
$table->width = "60%";
if (!empty($userid)) {
// if looking at a students try, print out some basic stats at the top
$table->head = array();
$table->align = array("right", "left");
$table->size = array("*", "*");
if (!$grades = get_records_select("lesson_grades", "lessonid = $lesson->id and userid = $userid", "completed", "*", $try, 1)) {
$grade = -1;
$completed = -1;
} else {
$grade = current($grades);
$completed = $grade->completed;
$grade = round($grade->grade, 2);
}
if (!$times = get_records_select("lesson_timer", "lessonid = $lesson->id and userid = $userid", "starttime", "*", $try, 1)) {
$timetotake = -1;
} else {
$timetotake = current($times);
$timetotake = $timetotake->lessontime - $timetotake->starttime;
}
if ($timetotake == -1 || $completed == -1 || $grade == -1) {
$table->align = array("center");
$table->size = array("*");
$table->data[] = array(get_string("notcompleted", "lesson"));
} else {
$table->align = array("right", "left");
$table->size = array("*", "*");
$table->data[] = array(get_string("timetaken", "lesson").":", format_time($timetotake));
$table->data[] = array(get_string("completed", "lesson").":", userdate($completed));
$table->data[] = array(get_string("grade", "lesson").":", $grade."%");
}
print_table($table);
echo "<br />";
}
$table->align = array("left", "left");
$table->size = array("70%", "*");
foreach ($answerpages as $page) {
unset($table->data);
if ($page->grayout) { // set the color of text
$fontstart = "<span class=\"dimmed\">";
$fontend = "</font>";
$fontstart2 = $fontstart;
$fontend2 = $fontend;
} else {
$fontstart = "";
$fontend = "";
$fontstart2 = "";
$fontend2 = "";
}
$table->head = array($fontstart2.$page->qtype.": ".format_string($page->title).$fontend2, $fontstart2.get_string("classstats", "lesson").$fontend2);
$table->data[] = array($fontstart.get_string("question", "lesson").": <br />".$fontend.$fontstart2.$page->contents.$fontend2, " ");
$table->data[] = array($fontstart.get_string("answer", "lesson").":".$fontend);
// apply the font to each answer
foreach ($page->answerdata->answers as $answer){
$modified = array();
foreach ($answer as $single) {
// need to apply a font to each one
$modified[] = $fontstart2.$single.$fontend2;
}
$table->data[] = $modified;
}
if ($page->answerdata->response != NULL) {
$table->data[] = array($fontstart.get_string("response", "lesson").": <br />".$fontend.$fontstart2.format_text($page->answerdata->response,FORMAT_MOODLE,$formattextdefoptions).$fontend2, " ");
}
$table->data[] = array($page->answerdata->score, " ");
print_table($table);
echo "<br />";
}
}
else {
error("Fatal Error: Unknown Action: ".$action."\n");
}
/// Finish the page
print_footer($course);
?>
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