title, "node/$nid") : check_plain($node->title);
}
else {
return t('Not found');
}
}
/**
* Reverse mapping from node title to nid
*
* We also handle autocomplete values (title [nid:x]) and validate the form
*/
function notifications_node_title2nid($name, $field = NULL, $types = array()) {
if (!empty($name)) {
preg_match('/^(?:\s*|(.*) )?\[\s*nid\s*:\s*(\d+)\s*\]$/', $name, $matches);
if (!empty($matches)) {
// Explicit [nid:n].
list(, $title, $nid) = $matches;
if (!empty($title) && ($node = node_load($nid)) && $title != $node->title) {
if ($field) {
form_set_error($field, t('Node title mismatch. Please check your selection.'));
}
$nid = NULL;
}
}
else {
// No explicit nid.
$reference = _notifications_node_references($name, 'equals', $types, 1);
if (!empty($reference)) {
$nid = key($reference);
}
elseif ($field) {
form_set_error($field, t('Found no valid post with that title: %title', array('%title' => $name)));
}
}
}
return !empty($nid) ? $nid : NULL;
}
/**
* Generates 'title [nid:$nid]' for the autocomplete field
*/
function notifications_node_nid2autocomplete($nid, $subscription = NULL) {
if ($node = node_load($nid)) {
return check_plain($node->title) . ' [nid:' . $nid . ']';
}
else {
return t('Not found');
}
}
/**
* Check user access to node
*/
function notifications_node_user_access($node, $account) {
return node_access('view', $node, $account);
}
/**
* Menu callback; Retrieve a pipe delimited string of autocomplete suggestions for existing users
*/
function notifications_node_autocomplete_title($string = '') {
$matches = array();
foreach (_notifications_node_references($string) as $id => $row) {
// Add a class wrapper for a few required CSS overrides.
$matches[$row['title'] . " [nid:$id]"] = '' . $row['rendered'] . '
';
}
drupal_json_output($matches);
}
/**
* Menu callback; Retrieve a pipe delimited string of autocomplete suggestions for existing nodes
*
* @param $node_types
* Comma separated node types to query
*/
function notifications_node_autocomplete_type($node_types, $string = '') {
$matches = array();
$types = split(',', $node_types);
foreach (_notifications_node_references($string, 'contains', $types) as $id => $row) {
// Add a class wrapper for a few required CSS overrides.
$matches[$row['title'] . " [nid:$id]"] = '' . $row['rendered'] . '
';
}
drupal_json_output($matches);
}
/**
* Find node title matches.
*
* Some code from node_reference.module
*/
function _notifications_node_references($string, $match = 'contains', $types = array(), $limit = 10) {
$query = db_select('node', 'n');
$node_nid_alias = $query->addField('n', 'nid');
$node_title_alias = $query->addField('n', 'title', 'node_title');
$node_type_alias = $query->addField('n', 'type', 'node_type');
$query->addTag('node_access');
if ($types) {
$query->condition('n.type', $types, 'IN');
}
switch ($match) {
default: // no match type or incorrect match type: use "="
case 'contains':
$query->condition('n.title', '%' . $string . '%', 'LIKE');
break;
case 'starts_with':
$query->condition('n.title', $string . '%', 'LIKE');
break;
case 'equals':
$query->condition('n.title', $string);
break;
}
$query
->range(0, $limit)
->orderBy($node_title_alias)
->orderBy($node_type_alias);
$result = $query->execute()->fetchAll();
$references = array();
foreach ($result as $node) {
$references[$node->nid] = array(
'title' => $node->node_title,
'rendered' => check_plain($node->node_title),
);
}
return $references;
}