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<?PHP // $Id: grades.php,v 1.21.2.1 2004/10/09 11:36:10 stronk7 Exp $
// Displays all grades for a course
require_once("../config.php");
require_once("lib.php");
require_variable($id); // course id
optional_variable($download, ""); // to download data
require_login();
if (! $course = get_record("course", "id", $id)) {
error("Course ID was incorrect");
}
if (!isteacher($course->id)) {
error("Only teachers can use this page!");
}
$strgrades = get_string("grades");
$strgrade = get_string("grade");
$strmax = get_string("maximumshort");
$stractivityreport = get_string("activityreport");
/// Check to see if groups are being used in this course
if ($groupmode = groupmode($course)) { // Groups are being used
if (isset($_GET['group'])) {
$changegroup = $_GET['group']; /// 0 or higher
} else {
$changegroup = -1; /// This means no group change was specified
}
$currentgroup = get_and_set_current_group($course, $groupmode, $changegroup);
} else {
$currentgroup = false;
}
if ($currentgroup) {
$students = get_group_students($currentgroup, "u.lastname ASC");
} else {
$students = get_course_students($course->id, "u.lastname ASC");
}
/// Get a list of all students
if (!$students) {
print_header("$course->shortname: $strgrades", "$course->fullname",
"<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A>
-> $strgrades");
print_heading(get_string("nostudentsyet"));
print_footer($course);
exit;
}
foreach ($students as $student) {
$grades[$student->id] = array(); // Collect all grades in this array
$gradeshtml[$student->id] = array(); // Collect all grades html formatted in this array
$totals[$student->id] = array(); // Collect all totals in this array
}
$columns = array(); // Accumulate column names in this array.
$columnhtml = array(); // Accumulate column html in this array.
/// Collect modules data
get_all_mods($course->id, $mods, $modnames, $modnamesplural, $modnamesused);
/// Search through all the modules, pulling out grade data
$sections = get_all_sections($course->id); // Sort everything the same as the course
for ($i=0; $i<=$course->numsections; $i++) {
if (isset($sections[$i])) { // should always be true
$section = $sections[$i];
if ($section->sequence) {
$sectionmods = explode(",", $section->sequence);
foreach ($sectionmods as $sectionmod) {
$mod = $mods[$sectionmod];
$instance = get_record("$mod->modname", "id", "$mod->instance");
$libfile = "$CFG->dirroot/mod/$mod->modname/lib.php";
if (file_exists($libfile)) {
require_once($libfile);
$gradefunction = $mod->modname."_grades";
if (function_exists($gradefunction)) { // Skip modules without grade function
if ($modgrades = $gradefunction($mod->instance)) {
if (!empty($modgrades->maxgrade)) {
if ($mod->visible) {
$maxgrade = "$strmax: $modgrades->maxgrade";
$maxgradehtml = "<BR>$strmax: $modgrades->maxgrade";
} else {
$maxgrade = "$strmax: $modgrades->maxgrade";
$maxgradehtml = "<BR><FONT class=\"dimmed_text\">$strmax: $modgrades->maxgrade</FONT>";
}
} else {
$maxgrade = "";
$maxgradehtml = "";
}
$image = "<A HREF=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\"".
" TITLE=\"$mod->modfullname\">".
"<IMG BORDER=0 VALIGN=absmiddle SRC=\"../mod/$mod->modname/icon.gif\" ".
"HEIGHT=16 WIDTH=16 ALT=\"$mod->modfullname\"></A>";
if ($mod->visible) {
$columnhtml[] = "$image ".
"<A HREF=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">".
"$instance->name".
"</A>$maxgradehtml";
} else {
$columnhtml[] = "$image ".
"<A CLASS=\"dimmed\" HREF=\"$CFG->wwwroot/mod/$mod->modname/view.php?id=$mod->id\">".
"$instance->name".
"</A>$maxgradehtml";
}
$columns[] = "$mod->modfullname: $instance->name - $maxgrade";
foreach ($students as $student) {
if (!empty($modgrades->grades[$student->id])) {
$grades[$student->id][] = $currentstudentgrade = $modgrades->grades[$student->id];
if ($mod->visible) {
$gradeshtml[$student->id][] = $modgrades->grades[$student->id];
} else {
$gradeshtml[$student->id][] = "<FONT class=\"dimmed_text\">".
$modgrades->grades[$student->id].
"</FONT>";
}
} else {
$grades[$student->id][] = $currentstudentgrade = "";
$gradeshtml[$student->id][] = "";
}
if (!empty($modgrades->maxgrade)) {
$totals[$student->id] = (float)($totals[$student->id]) + (float)($currentstudentgrade);
} else {
$totals[$student->id] = (float)($totals[$student->id]) + 0;
}
}
}
}
}
}
}
}
} // a new Moodle nesting record? ;-)
/// OK, we have all the data, now present it to the user
if ($download == "xls" and confirm_sesskey()) {
require_once("../lib/excel/Worksheet.php");
require_once("../lib/excel/Workbook.php");
// HTTP headers
header("Content-type: application/vnd.ms-excel");
$downloadfilename = clean_filename("$course->shortname $strgrades");
header("Content-Disposition: attachment; filename=\"$downloadfilename.xls\"");
header("Expires: 0");
header("Cache-Control: must-revalidate,post-check=0,pre-check=0");
header("Pragma: public");
/// Creating a workbook
$workbook = new Workbook("-");
$myxls =& $workbook->add_worksheet($strgrades);
/// Print names of all the fields
$myxls->write_string(0,0,get_string("firstname"));
$myxls->write_string(0,1,get_string("lastname"));
$myxls->write_string(0,2,get_string("idnumber"));
$myxls->write_string(0,3,get_string("institution"));
$myxls->write_string(0,4,get_string("department"));
$myxls->write_string(0,5,get_string("email"));
$pos=6;
foreach ($columns as $column) {
$myxls->write_string(0,$pos++,strip_tags($column));
}
$myxls->write_string(0,$pos,get_string("total"));
/// Print all the lines of data.
$i = 0;
foreach ($grades as $studentid => $studentgrades) {
$i++;
$student = $students[$studentid];
if (empty($totals[$student->id])) {
$totals[$student->id] = '';
}
$myxls->write_string($i,0,$student->firstname);
$myxls->write_string($i,1,$student->lastname);
$myxls->write_string($i,2,$student->idnumber);
$myxls->write_string($i,3,$student->institution);
$myxls->write_string($i,4,$student->department);
$myxls->write_string($i,5,$student->email);
$j=6;
foreach ($studentgrades as $grade) {
$myxls->write_string($i,$j++,strip_tags($grade));
}
$myxls->write_number($i,$j,$totals[$student->id]);
}
$workbook->close();
exit;
} else if ($download == "txt" and confirm_sesskey()) {
/// Print header to force download
header("Content-Type: application/download\n");
$downloadfilename = clean_filename("$course->shortname $strgrades");
header("Content-Disposition: attachment; filename=\"$downloadfilename.txt\"");
/// Print names of all the fields
echo get_string("firstname")."\t".
get_string("lastname")."\t".
get_string("idnumber")."\t".
get_string("institution")."\t".
get_string("department")."\t".
get_string("email");
foreach ($columns as $column) {
$column = strip_tags($column);
echo "\t$column";
}
echo "\t".get_string("total")."\n";
/// Print all the lines of data.
foreach ($grades as $studentid => $studentgrades) {
$student = $students[$studentid];
if (empty($totals[$student->id])) {
$totals[$student->id] = '';
}
echo "$student->firstname\t$student->lastname\t$student->idnumber\t$student->institution\t$student->department\t$student->email";
foreach ($studentgrades as $grade) {
$grade = strip_tags($grade);
echo "\t$grade";
}
echo "\t".$totals[$student->id];
echo "\n";
}
exit;
} else { // Just print the web page
print_header("$course->shortname: $strgrades", "$course->fullname",
"<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A>
-> $strgrades");
print_heading($strgrades);
setup_and_print_groups($course, $groupmode, "grades.php?id=$course->id");
echo "<TABLE BORDER=0 ALIGN=CENTER><TR>";
echo "<TD>";
$options["id"] = "$course->id";
$options["download"] = "xls";
$options["sesskey"] = $USER->sesskey;
print_single_button("grades.php", $options, get_string("downloadexcel"));
echo "<TD>";
$options["download"] = "txt";
$options["sesskey"] = $USER->sesskey;
print_single_button("grades.php", $options, get_string("downloadtext"));
echo "</TABLE>";
$table->head = array_merge(array ("", get_string("firstname"), get_string("lastname")), $columnhtml, array(get_string("total")));
$table->width = array(35, "");
$table->align = array("LEFT", "RIGHT", "LEFT");
foreach ($columns as $column) {
$table->width[] = "";
$table->align[] = "CENTER";
}
$table->width[] = "";
$table->align[] = "CENTER";
foreach ($students as $key => $student) {
$studentgrades = $gradeshtml[$student->id];
if (empty($totals[$student->id])) {
$totals[$student->id] = '';
}
$picture = print_user_picture($student->id, $course->id, $student->picture, false, true);
$name = array ("$picture", "$student->firstname", "$student->lastname");
$total = array ($totals[$student->id]);
$table->data[] = array_merge($name, $studentgrades, $total);
}
print_table($table);
print_footer($course);
}
?>
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