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view.php
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view.php
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<?php // $Id$
/*************************************************
ACTIONS handled are:
displayfinalgrade (for students)
makeleaguetableavailable (for teachers)
notavailable (for students)
openexercise (for teachers)
setupassignment (for teachers)
showsubmissions (for students)
studentsview
submitassignment
teachersview
************************************************/
require_once("../../config.php");
require_once("lib.php");
require_once("locallib.php");
$id = required_param('id', PARAM_INT); // Course Module ID
$action = optional_param('action', '', PARAM_ALPHA);
$changegroup = optional_param('group', -1, PARAM_INT);
// get some esential stuff...
if (! $cm = get_coursemodule_from_id('exercise', $id)) {
error("Course Module ID was incorrect");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("Course is misconfigured");
}
if (! $exercise = get_record("exercise", "id", $cm->instance)) {
error("Course module is incorrect");
}
require_login($course->id, false, $cm);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
// ...log activity...
add_to_log($course->id, "exercise", "view", "view.php?id=$cm->id", $exercise->id, $cm->id);
$strexercises = get_string("modulenameplural", "exercise");
$strexercise = get_string("modulename", "exercise");
// ...display header...
$navigation = build_navigation('', $cm);
print_header_simple(format_string($exercise->name), "", $navigation,
"", "", true, update_module_button($cm->id, $course->id, $strexercise), navmenu($course, $cm));
if (isteacher($course->id)) {
if (empty($action)) { // no action specified, either go straight to elements page else the admin page
// has the assignment any elements
if (count_records("exercise_elements", "exerciseid", $exercise->id)) {
$action = "teachersview";
}
else {
redirect("assessments.php?action=editelements&id=$cm->id");
}
}
}
elseif (!isguest()) { // it's a student then
if (!$cm->visible) {
notice(get_string("activityiscurrentlyhidden"));
}
switch ($exercise->phase) {
case 0 :
case 1 : $action = 'notavailable'; break;
case 2 : $action = 'studentsview'; break;
case 3 : $action = 'displayfinalgrade';
}
}
else { // it's a guest, oh no!
$action = 'notavailable';
}
/****************** display final grade (for students) ************************************/
if ($action == 'displayfinalgrade' ) {
// show the final grades as stored in the tables...
print_heading(get_string("displayoffinalgrades", "exercise"));
if ($submissions = exercise_get_user_submissions($exercise, $USER)) { // any submissions from user?
echo "<center><table border=\"1\" width=\"90%\"><tr>";
echo "<td><b>".get_string("submissions", "exercise")."</b></td>";
echo "<td align=\"center\"><b>".get_string("gradeforassessment", "exercise")."</b></td>";
echo "<td align=\"center\"><b>".get_string("gradeforsubmission", "exercise", $course->teacher)."</b></td>";
echo "<td align=\"center\"><b>".get_string("overallgrade", "exercise")."</b></td></tr>\n";
// now the weights
echo "<tr><td><b>".get_string("maximumgrade")."</b></td>";
echo "<td align=\"center\"><b>$exercise->gradinggrade</b></td>\n";
echo "<td align=\"center\"><b>$exercise->grade</b></td>\n";
echo "<td><b> </b></td></tr>\n";
// first get user's own assessment reord, it should contain their grading grade
if ($ownassessments = exercise_get_user_assessments($exercise, $USER)) {
foreach ($ownassessments as $ownassessment) {
break; // there should only be one
}
}
else {
$ownassessment->gradinggrade = 0;
}
foreach ($submissions as $submission) {
if ($assessments = exercise_get_assessments($submission)) {
foreach ($assessments as $assessment) { // (normally there should only be one
$gradinggrade = number_format($ownassessment->gradinggrade * $exercise->gradinggrade / 100.0,
1);
$grade = number_format($assessment->grade * $exercise->grade / 100.0, 1);
$overallgrade = number_format(($assessment->grade * $exercise->grade / 100.0) +
($ownassessment->gradinggrade * $exercise->gradinggrade / 100.0 ), 1);
if ($submission->late) {
$grade = "<font color=\"red\">(".$grade.")</font>";
$overallgrade = "<font color=\"red\">(".$overallgrade.")</font>";
}
echo "<tr><td>".exercise_print_submission_title($exercise, $submission)."</td>\n";
echo "<td align=\"center\">$gradinggrade</td>";
echo "<td align=\"center\">$grade</td>";
echo "<td align=\"center\">$overallgrade</td></tr>\n";
}
}
}
}
echo "</table></center><br clear=\"all\" />\n";
if ($exercise->showleaguetable) {
exercise_print_league_table($exercise);
}
echo "<br />".get_string("maximumgrade").": $exercise->grade<br />\n";
}
/****************** make final grades available (for teachers only)**************/
elseif ($action == 'makeleaguetableavailable') {
if (!isteacheredit($course->id)) {
error("Only teachers with editing permissions can do this.");
}
set_field("exercise", "phase", 3, "id", "$exercise->id");
add_to_log($course->id, "exercise", "display", "view.php?id=$cm->id", "$exercise->id", $cm->id);
redirect("view.php?id=$cm->id", get_string("movingtophase", "exercise", 3));
}
/*********************** assignment not available (for students)***********************/
elseif ($action == 'notavailable') {
print_heading(get_string("notavailable", "exercise"));
}
/****************** open exercise for student assessments and submissions (phase 2) (for teachers)**/
elseif ($action == 'openexercise') {
if (!isteacheredit($course->id)) {
error("Only teachers with editing permissions can do this.");
}
// move to phase 2, check that teacher has made enough submissions
if (exercise_count_teacher_submissions($exercise) == 0) {
redirect("view.php?id=$cm->id", get_string("noexercisedescriptionssubmitted", "exercise"));
}
elseif (($exercise->gradingstrategy == 3) and ($exercise->nelements ==1 )) {
// only one criterion specified
redirect("view.php?id=$cm->id", get_string("numberofcriterionelements", "exercise"));
} else {
set_field("exercise", "phase", 2, "id", "$exercise->id");
add_to_log($course->id, "exercise", "open", "view.php?id=$cm->id", "$exercise->id", $cm->id);
redirect("view.php?id=$cm->id", get_string("movingtophase", "exercise", 2));
}
}
/****************** set up assignment (move back to phase 1) (for teachers)***********************/
elseif ($action == 'setupassignment') {
if (!isteacher($course->id)) {
error("Only teachers with editing permissions can do this.");
}
set_field("exercise", "phase", 1, "id", "$exercise->id");
add_to_log($course->id, "exercise", "set up", "view.php?id=$cm->id", "$exercise->id", $cm->id);
redirect("view.php?id=$cm->id", get_string("movingtophase", "exercise", 1));
}
/****************** showsubmissions (for students, in phase 3)***********************/
elseif ($action == 'showsubmissions') {
exercise_print_assignment_info($exercise);
print_heading(get_string("submissionsnowclosed", "exercise"));
// show student's assessment (linked to the teacher's exercise/submission
print_heading(get_string("yourassessment", "exercise"));
exercise_list_teacher_submissions($exercise, $USER);
echo "<hr size=\"1\" noshade=\"noshade\" />";
if ($submissions = exercise_get_user_submissions($exercise, $USER)) {
print_heading(get_string("yoursubmission", "exercise"));
print_simple_box_start("center");
$table->head = array (get_string("submission", "exercise"), get_string("submitted", "exercise"),
get_string("assessed", "exercise"), get_string("grade"));
$table->width = "100%";
$table->align = array ("left", "left", "left", "center");
$table->size = array ("*", "*", "*", "*");
$table->cellpadding = 2;
$table->cellspacing = 0;
foreach ($submissions as $submission) {
if ($assessments = exercise_get_assessments($submission)) {
// should only be one but we'll loop anyway
foreach ($assessments as $assessment) {
$table->data[] = array(exercise_print_submission_title($exercise, $submission),
userdate($submission->timecreated), userdate($assessment->timecreated),
"<a href=\"assessments.php?action=viewassessment&id=$cm->id&aid=$assessment->id\">".$assessment->grade * $exercise->grade / 100.0."</a>");
}
} else {
// submission not yet assessed (by teacher)
$table->data[] = array(exercise_print_submission_title($exercise, $submission),
userdate($submission->timecreated), get_string("notassessedyet", "exercise"), 0);
}
}
print_table($table);
print_simple_box_end();
} else {
print_heading(get_string("nosubmissions", "exercise"));
}
// always allow student to resubmit
if (exercise_test_for_resubmission($exercise, $USER)) {
// if resubmission requested print upload form
echo "<hr size=\"1\" noshade=\"noshade\" />";
print_heading(get_string("pleasesubmityourwork", "exercise").":");
exercise_print_upload_form($exercise);
}
echo "<hr size=\"1\" noshade=\"noshade\" />";
}
/****************** student's view could be in 1 of 3 stages ***********************/
elseif ($action == 'studentsview') {
exercise_print_assignment_info($exercise);
// is a password needed?
if ($exercise->usepassword) {
$correctpass = false;
if (isset($_POST['userpassword'])) {
if ($exercise->password == md5(trim($_POST['userpassword']))) {
$USER->exerciseloggedin[$exercise->id] = true;
$correctpass = true;
}
} elseif (isset($USER->exerciseloggedin[$exercise->id])) {
$correctpass = true;
}
if (!$correctpass) {
print_simple_box_start("center");
echo "<form id=\"password\" method=\"post\" action=\"view.php\">\n";
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />\n";
echo "<table cellpadding=\"7px\">";
if (isset($_POST['userpassword'])) {
echo "<tr align=\"center\" style='color:#DF041E;'><td>".get_string("wrongpassword", "exercise").
"</td></tr>";
}
echo "<tr align=\"center\"><td>".get_string("passwordprotectedexercise", "exercise", format_string($exercise->name)).
"</td></tr>";
echo "<tr align=\"center\"><td>".get_string("enterpassword", "exercise").
" <input type=\"password\" name=\"userpassword\" /></td></tr>";
echo "<tr align=\"center\"><td>";
echo "<input type=\"button\" value=\"".get_string("cancel").
"\" onclick=\"parent.location='../../course/view.php?id=$course->id';\"> ";
echo "<input type=\"button\" value=\"".get_string("continue").
"\" onclick=\"document.password.submit();\" />";
echo "</td></tr></table>";
print_simple_box_end();
exit();
}
}
// in Stage 1 - the student must make an assessment (linked to the teacher's exercise/submission
if (!exercise_test_user_assessments($exercise, $USER)) {
print_heading(get_string("pleaseviewtheexercise", "exercise", $course->teacher));
exercise_list_teacher_submissions($exercise, $USER);
}
// in stage 2? - submit own first attempt
else {
// show assessment the teacher's examples, there may be feedback from teacher
if (exercise_count_user_submissions($exercise, $USER) == 0) {
print_heading(get_string("atthisstageyou", "exercise", $course->teacher));
exercise_list_teacher_submissions($exercise, $USER, true); // true = allow re-assessing
// print upload form
print_heading(get_string("pleasesubmityourwork", "exercise").":");
exercise_print_upload_form($exercise);
}
// in stage 3? - awaiting grading of assessment and assessment of work by teacher,
// may resubmit if allowed
else {
exercise_list_teacher_submissions($exercise, $USER);
echo "<hr size=\"1\" noshade=\"noshade\" />";
print_heading(get_string("yoursubmission", "exercise"));
exercise_list_user_submissions($exercise, $USER);
if (exercise_test_for_resubmission($exercise, $USER)) {
// if resubmission requested print upload form
echo "<hr size=\"1\" noshade=\"noshade\" />";
print_heading(get_string("pleasesubmityourwork", "exercise").":");
exercise_print_upload_form($exercise);
echo "<hr size=\"1\" noshade=\"noshade\" />";
}
}
}
}
/****************** submission of assignment by teacher only***********************/
elseif ($action == 'submitassignment') {
if (!has_capability('mod/exercise:assess', $context)) {
error("Only teachers with editing permissions can do this.");
}
exercise_print_assignment_info($exercise);
// list previous submissions from this user
exercise_list_user_submissions($exercise, $USER);
echo "<hr size=\"1\" noshade=\"noshade\" />";
// print upload form
print_heading(get_string("submitexercisedescription", "exercise").":");
exercise_print_upload_form($exercise);
}
/****************** teacher's view - display admin page (current phase options) ************/
elseif ($action == 'teachersview') {
if (!isteacher($course->id)) {
error("Only teachers can look at this page");
}
/// Check to see if groups are being used in this exercise
/// and if so, set $currentgroup to reflect the current group
$groupmode = groupmode($course, $cm); // Groups are being used?
$currentgroup = setup_and_print_groups($course, $groupmode, "view.php?id=$cm->id");
print_heading_with_help(get_string("managingassignment", "exercise"), "managing", "exercise");
exercise_print_assignment_info($exercise);
$tabs->names = array("1. ".get_string("phase1", "exercise"),
"2. ".get_string("phase2", "exercise", $course->student),
"3. ".get_string("phase3", "exercise", $course->student));
if (isteacheredit($course->id)) {
$tabs->urls = array("view.php?id=$cm->id&action=setupassignment",
"view.php?id=$cm->id&action=openexercise",
"view.php?id=$cm->id&action=makeleaguetableavailable");
} else {
// don't allow non-editing teacher to change phase
$tabs->urls = array("view.php?id=$cm->id",
"view.php?id=$cm->id",
"view.php?id=$cm->id");
}
if ($exercise->phase) { // phase 1 or more
$tabs->highlight = $exercise->phase - 1;
} else {
$tabs->highlight = 0; // phase is zero
}
exercise_print_tabbed_heading($tabs);
echo "<center>\n";
switch ($exercise->phase) {
case 0:
case 1: // set up assignment
if (isteacheredit($course->id)) {
echo "<p><b><a href=\"assessments.php?id=$cm->id&action=editelements\">".
get_string("amendassessmentelements", "exercise")."</a></b></p> \n";
helpbutton("elements", get_string("amendassessmentelements", "exercise"), "exercise");
echo "<p><b><a href=\"view.php?id=$cm->id&action=submitassignment\">".
get_string("submitexercisedescription", "exercise")."</a></b></p> \n";
helpbutton("submissionofdescriptions", get_string("submitexercisedescription", "exercise"), "exercise");
}
break;
case 2: // submissions and assessments
// just show student submissions link, the (self) assessments are show above the assessment form for
// the submissions
echo "<p><b><a href=\"submissions.php?id=$cm->id&action=listforassessmentstudent\">".
get_string("studentsubmissionsforassessment", "exercise",
exercise_count_unassessed_student_submissions($exercise))."</a></b></p> \n";
helpbutton("grading", get_string("studentsubmissionsforassessment", "exercise"),
"exercise");
break;
case 3: // show final grades
echo "<p><b><a href=\"submissions.php?id=$cm->id&action=listforassessmentstudent\">".
get_string("studentsubmissionsforassessment", "exercise",
exercise_count_unassessed_student_submissions($exercise))."</a></b></p> \n";
helpbutton("grading", get_string("studentsubmissionsforassessment", "exercise"),
"exercise");
print_heading("<a href=\"submissions.php?id=$cm->id&action=displayfinalgrades\">".
get_string("displayoffinalgrades", "exercise")."</a>");
}
print_heading("<a href=\"submissions.php?id=$cm->id&action=adminlist\">".
get_string("administration")."</a>");
echo "</center>\n";
}
/*************** no man's land **************************************/
else {
error("Fatal Error: Unknown Action: ".$action."\n");
}
print_footer($course);
?>