<?php
if (isset($_POST["box_grades"])) {
foreach ($_POST["box_grades"] as $f_gscaleid) {
deleteGrade((int) $f_gscaleid);
}
} else {
$f_gscaleid = (int) readGetVar('gscaleid');
deleteGrade($f_gscaleid);
}
gotoLocation('grades.php' . getURLAddon('', array('action', 'confirmed', 'gscaleid')));
function deleteGrade($i_gscaleid)
{
global $g_db, $srv_settings;
if ($i_gscaleid > SYSTEM_GRADES_MAX_INDEX) {
if ($g_db->Execute("UPDATE " . $srv_settings['table_prefix'] . "tests SET gscaleid=1 WHERE gscaleid=" . $i_gscaleid) === false) {
showDBError(__FILE__, 1);
}
if ($g_db->Execute("DELETE FROM " . $srv_settings['table_prefix'] . "gscales_grades WHERE gscaleid={$i_gscaleid}") === false) {
showDBError(__FILE__, 2);
}
if ($g_db->Execute("DELETE FROM " . $srv_settings['table_prefix'] . "gscales WHERE gscaleid={$i_gscaleid}") === false) {
showDBError(__FILE__, 3);
}
}
}
} else {
if ($wasdate < $middate) {
$query = mysql_query("UPDATE registrations SET q1currpoints=(q1currpoints - {$_POST['wasgrade']}), q2currpoints=(q2currpoints + {$_POST['points']}), currentpoints=(currentpoints + {$_POST['points']} - {$_POST['wasgrade']}) WHERE courseid = {$_POST['selectclass']} AND studentid = {$_POST['student']}");
} else {
$query = mysql_query("UPDATE registrations SET q2currpoints=(q2currpoints + {$_POST['points']} - {$_POST['wasgrade']}), currentpoints=(currentpoints + {$_POST['points']} - {$_POST['wasgrade']}) WHERE courseid = {$_POST['selectclass']} AND studentid = {$_POST['student']}");
}
}
}
// Delete the selected grades //
if ($_POST["deletegrade"] == 1) {
require_once "DeleteFunctions.php";
$delete = $_POST["delete"];
for ($i = 0; $i < sizeof($delete); $i++) {
$query = mysql_query("SELECT gradeid, points, submitdate, studentid FROM grades WHERE studentid = {$delete[$i]} AND assignmentid = {$_POST['assignment']}");
$id = mysql_fetch_row($query);
deleteGrade($id[0]);
// Subtract the amount off from the current and possible points //
$query = mysql_query("SELECT midtermdate FROM semesters WHERE startdate < CURDATE() AND CURDATE() < enddate");
$dates = mysql_fetch_row($query);
$middate = strtotime($dates[0]);
$submitdate = strtotime($id[2]);
if ($submitdate < $middate) {
$query = mysql_query("UPDATE registrations SET q1currpoints=(q1currpoints - {$id['1']}), currentpoints=(currentpoints - {$id['1']}) WHERE studentid = {$id['3']} AND courseid = {$_POST['selectclass']}");
} else {
$query = mysql_query("UPDATE registrations SET q2currpoints=(q2currpoints - {$id['1']}), currentpoints=(currentpoints - {$id['1']}) WHERE studentid = {$id['3']} AND courseid = {$_POST['selectclass']}");
}
}
}
print "<script language='JavaScript'>\n\n // Function to make sure the student wants to delete the grade(s) //\n function validate()\n {\n if( document.grades.selectgrade.value > 0 )\n {\n\tvar confirmed = confirm(\"Are you sure you want to delete this grade?\");\n\n\tif( confirmed == true )\n\t{\n\t document.grades.submit();\n\t}\n }\n else\n {\n\talert('You must select a grade to delete.');\n }\n }\n\n\n // Function to make sure only one checkbox has been selected //\n function checkboxes()\n {\n if( document.grades.selectgrade.value == 1 )\n {\n\tdocument.grades.submit();\n }\n else\n {\n\tif( document.grades.selectgrade.value > 1 )\n\t{\n\t alert('You can only edit one grade at a time.');\n\t}\n\telse\n\t{\n\t alert('You must select a grade to edit.');\n\t}\n }\n }\n\n\n // Function to keep track of how many checkboxes are checked //\n function updateboxes(row)\n {\n row = row;\n if(document.grades.elements[row].checked)\n {\n\tdocument.grades.selectgrade.value = Math.round(document.grades.selectgrade.value) + 1;\n }\n else\n {\n\tdocument.grades.selectgrade.value = Math.round(document.grades.selectgrade.value) - 1;\n }\n }\n </script>\n <h1>Grades</h1>\n <br>\n <table align='center' width='595' cellspacing='0' cellpadding='0' border='0'>\n <tr>\n <td>\n <form name='grades' action='./index.php' method='POST'>\n <b>Assignment:</b>\n <select name='assignment' onChange='document.grades.addgrade.value=0;document.grades.deletegrade.value=0;document.grades.submit();'>";
$query = mysql_query("SELECT * FROM assignments WHERE courseid = '{$_POST['selectclass']}'");
// Stop displaying information if the query returned a null set //
