$value) db_query("UPDATE category SET $key = '". check_input($value) ."' WHERE cid = '$edit[cid]'");
}
// delete category $cid:
function category_del($cid) {
db_query("DELETE FROM category WHERE cid = '". check_input($cid) ."'");
db_query("DELETE FROM node_category WHERE cid = '". check_input($cid) ."'");
}
function category_node($nid, $cid) {
db_query("INSERT INTO node_category (nid, cid) VALUES ('". check_input($nid) ."', '". check_input($cid) ."')", 1);
}
function category_form_select($type, $edit = array(), $size = 1) {
$result = db_query("SELECT * FROM category WHERE type = '$type'");
while ($category = db_fetch_object($result)) {
$options .= "";
}
return "\n";
}
// ----- topic -----
function _topic_get($field, $value) {
return db_query("SELECT * FROM topic WHERE $field = '$value'");
}
// returns the topic object where $field = $value:
function topic_get_object($field, $value) {
return db_fetch_object(_topic_get($field, $value));
}
// returns the topic array where $field = $value:
function topic_get_array($field, $value) {
return db_fetch_array(_topic_get($field, $value));
}
// save a topic:
function topic_save($edit) {
if (!$edit[tid]) $edit[tid] = db_insert_id(db_query("INSERT INTO topic (name) VALUES ('". check_input($edit[name])."')"));
foreach ($edit as $key=>$value) db_query("UPDATE topic SET $key = '". check_input($value) ."' WHERE tid = '$edit[tid]'");
}
// returns a sorted tree-representation of all topics:
function topic_tree($parent = 0, $name = "", $tree = array()) {
$result = db_query("SELECT * FROM topic WHERE pid = '$parent' ORDER BY name");
while ($topic = db_fetch_object($result)) {
$tree[$topic->tid] = ($name ? "$name - $topic->name" : $topic->name);
$tree = topic_tree($topic->tid, $tree[$topic->tid], $tree);
}
return $tree;
}
// delete topic $tid:
function topic_del($tid) {
db_query("DELETE FROM topic WHERE tid = '". check_input($tid) ."'");
db_query("DELETE FROM node_topic WHERE tid = '". check_input($tid) ."'");
}
// add node $nid to topic $tid:
function topic_node($nid, $tid) {
db_query("INSERT INTO node_topic (nid, tid) VALUES ('". check_input($nid) ."', '". check_input($tid) ."')", 1);
}
// renders a HTML form to select one or more topics:
function topic_form_select($edit = array(), $size = 1) {
foreach (topic_tree() as $tid=>$name) {
$options .= "";
}
return "\n";
}
// ----- structure -----
// add node $nid to category $cid and topic $tid:
function structure_save($nid, $cid, $tid) {
category_node($nid, $cid);
topic_node($nid, $tid);
}
// render a HMTL selection form:
function structure_form($type, $edit = array(), $size = 1) {
$output .= "Category and topic:
\n";
$output .= category_form_select($type, $edit, $size) ." ". topic_form_select($edit, $size) ."
";
$output .= "". t("Select the category and the topic this sumbission belongs in.") ."";
return $output;
}
?>