function additems($list)
{
global $curoutcomes, $seenoutcomes, $cid;
$outarr = array();
$list = substr($list, 1, -1);
$i = 0;
$nd = 0;
$last = 0;
$listarr = array();
while ($i < strlen($list)) {
if ($list[$i] == '[') {
$nd++;
} else {
if ($list[$i] == ']') {
$nd--;
} else {
if ($list[$i] == ',' && $nd == 0) {
$listarr[] = substr($list, $last, $i - $last);
$last = $i + 1;
}
}
}
$i++;
}
$listarr[] = substr($list, $last);
//new group: newgrp###, name in newg###
//ext group: grp### name in g###
//new outcome: new###, name in newo###
//ext outcome: ###, name in o###
foreach ($listarr as $it) {
if (strpos($it, 'grp') !== false) {
//is outcome group
$pos = strpos($it, ':');
if ($pos === false) {
$block = array("outcomes" => array());
$pts[0] = $it;
} else {
$pts[0] = substr($it, 0, $pos);
$pts[1] = substr($it, $pos + 1);
$subarr = additems($pts[1]);
$block = array("outcomes" => $subarr);
}
if (substr($pts[0], 0, 3) == 'new') {
$name = stripslashes($_POST['newg' . substr($pts[0], 6)]);
} else {
$name = stripslashes($_POST['g' . substr($pts[0], 3)]);
}
$block['name'] = $name;
$outarr[] = $block;
} else {
//is an outcome
if (substr($it, 0, 3) == 'new') {
$ocnt = substr($it, 3);
$query = "INSERT INTO imas_outcomes (courseid, name) VALUES ";
$query .= "('{$cid}','{$_POST['newo' . $ocnt]}')";
$result = mysql_query($query) or die("Query failed : " . mysql_error());
$newid = mysql_insert_id();
$seenoutcomes[] = $newid;
$outarr[] = $newid;
} else {
if (isset($curoutcomes[$it])) {
if (stripslashes($_POST['o' . $it]) != $curoutcomes[$it]) {
$query = "UPDATE imas_outcomes SET name='{$_POST['o' . $it]}' WHERE id='{$it}' AND courseid='{$cid}'";
$result = mysql_query($query) or die("Query failed : " . mysql_error());
}
$outarr[] = $it;
$seenoutcomes[] = $it;
}
}
}
}
return $outarr;
}
function additems($list)
{
global $items;
$outarr = array();
$list = substr($list, 1, -1);
$i = 0;
$nd = 0;
$last = 0;
$listarr = array();
while ($i < strlen($list)) {
if ($list[$i] == '[') {
$nd++;
} else {
if ($list[$i] == ']') {
$nd--;
} else {
if ($list[$i] == ',' && $nd == 0) {
$listarr[] = substr($list, $last, $i - $last);
$last = $i + 1;
}
}
}
$i++;
}
$listarr[] = substr($list, $last);
foreach ($listarr as $it) {
if (strpos($it, '-') !== false) {
//is block
$pos = strpos($it, ':');
if ($pos === false) {
$pts[0] = $it;
} else {
$pts[0] = substr($it, 0, $pos);
$pts[1] = substr($it, $pos + 1);
}
$blocktree = explode('-', $pts[0]);
$sub = $items;
for ($i = 1; $i < count($blocktree) - 1; $i++) {
$sub = $sub[$blocktree[$i] - 1]['items'];
}
$block = $sub[$blocktree[count($blocktree) - 1] - 1];
if ($pos === false) {
$block['items'] = array();
} else {
$subarr = additems($pts[1]);
$block['items'] = $subarr;
}
$outarr[] = $block;
} else {
//regular item
$outarr[] = $it;
}
}
return $outarr;
}
