function taxonomy_form_alter in Drupal 4
Same name and namespace in other branches
- 5 modules/taxonomy/taxonomy.module \taxonomy_form_alter()
- 6 modules/taxonomy/taxonomy.module \taxonomy_form_alter()
Generate a form for selecting terms to associate with a node.
File
- modules/
taxonomy.module, line 598 - Enables the organization of content into categories.
Code
function taxonomy_form_alter($form_id, &$form) {
if (isset($form['type']) && $form['type']['#value'] . '_node_form' == $form_id) {
$node = $form['#node'];
if (!isset($node->taxonomy)) {
if ($node->nid) {
$terms = taxonomy_node_get_terms($node->nid);
}
else {
$terms = array();
}
}
else {
$terms = $node->taxonomy;
}
$c = db_query(db_rewrite_sql("SELECT v.* FROM {vocabulary} v INNER JOIN {vocabulary_node_types} n ON v.vid = n.vid WHERE n.type = '%s' ORDER BY v.weight, v.name", 'v', 'vid'), $node->type);
while ($vocabulary = db_fetch_object($c)) {
if ($vocabulary->tags) {
$typed_terms = array();
foreach ($terms as $term) {
// Extract terms belonging to the vocabulary in question.
if ($term->vid == $vocabulary->vid) {
// Commas and quotes in terms are special cases, so encode 'em.
if (preg_match('/,/', $term->name) || preg_match('/"/', $term->name)) {
$term->name = '"' . preg_replace('/"/', '""', $term->name) . '"';
}
$typed_terms[] = $term->name;
}
}
$typed_string = implode(', ', $typed_terms) . (array_key_exists('tags', $terms) ? $terms['tags'][$vocabulary->vid] : NULL);
if ($vocabulary->help) {
$help = $vocabulary->help;
}
else {
$help = t('A comma-separated list of terms describing this content. Example: funny, bungee jumping, "Company, Inc.".');
}
$form['taxonomy']['tags'][$vocabulary->vid] = array(
'#type' => 'textfield',
'#title' => $vocabulary->name,
'#description' => $help,
'#required' => $vocabulary->required,
'#default_value' => $typed_string,
'#autocomplete_path' => 'taxonomy/autocomplete/' . $vocabulary->vid,
'#weight' => $vocabulary->weight,
'#maxlength' => 255,
);
}
else {
// Extract terms belonging to the vocabulary in question.
$default_terms = array();
foreach ($terms as $term) {
if ($term->vid == $vocabulary->vid) {
$default_terms[$term->tid] = $term;
}
}
$form['taxonomy'][$vocabulary->vid] = taxonomy_form($vocabulary->vid, array_keys($default_terms), $vocabulary->help);
$form['taxonomy'][$vocabulary->vid]['#weight'] = $vocabulary->weight;
$form['taxonomy'][$vocabulary->vid]['#required'] = $vocabulary->required;
}
}
if (isset($form['taxonomy'])) {
$form['taxonomy'] += array(
'#type' => 'fieldset',
'#title' => t('Categories'),
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#tree' => TRUE,
'#weight' => -3,
);
}
}
}