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