function tac_lite_create_form_alter in Taxonomy Access Control Lite 6
Same name and namespace in other branches
- 8 tac_lite_create/tac_lite_create.module \tac_lite_create_form_alter()
- 7 tac_lite_create.module \tac_lite_create_form_alter()
Implementation of hook_form_alter().
File
- ./
tac_lite_create.module, line 15 - Use tac_lite to control which terms can be used when creating new content. Unlike tac_lite.module, which relies on Drupal's node_access features, this module uses hook_form_alter to change which terms are presented by the taxonomy module.
Code
function tac_lite_create_form_alter(&$form, $form_state, $form_id) {
if (strpos($form_id, 'node_form') !== FALSE) {
global $user;
if (user_access('administer tac_lite')) {
// no need to restrict based on update permission in this cases
return;
}
// the vocabularies containing protected info.
$vids = variable_get('tac_lite_categories', array(
0,
));
// the terms this user is allowed to edit
$tids = array();
for ($i = 1; $i <= variable_get('tac_lite_schemes', 1); $i++) {
$config = _tac_lite_config($i);
if (isset($config['tac_lite_create']) && $config['tac_lite_create'] || in_array('grant_update', $config['perms'])) {
$tids = array_merge($tids, _tac_lite_user_tids($user, $i));
}
}
if (isset($form['taxonomy'])) {
foreach ($form['taxonomy'] as $vid => $data) {
if (!is_numeric($vid) || !in_array($vid, $vids)) {
// Not a vid, or not controlled by tac_lite.
continue;
}
foreach ($data['#options'] as $num => $term) {
if (!is_numeric($num)) {
continue;
}
if (!in_array(key($term->option), $tids)) {
if (!in_array(key($term->option), $form['taxonomy'][$vid]['#default_value'])) {
// The term is not the default value, and user is not allowed to create with it.
unset($form['taxonomy'][$vid]['#options'][$num]);
}
}
}
if (count($form['taxonomy'][$vid]['#options']) == 0 && $form['taxonomy'][$vid]['#required'] == TRUE) {
drupal_set_message(t('You have no permissions to add content to the required %name vocabulary. Please contact the site administrator if you believe you should have permission to add content.', array(
'%name' => $form['taxonomy'][$vid]['#title'],
)));
drupal_access_denied();
exit;
}
if (count($form['taxonomy'][$vid]['#options']) <= 1) {
// Don't show if the only option left is <none>.
unset($form['taxonomy'][$vid]);
}
if (isset($form['taxonomy'][$vid]['#size']) && $form['taxonomy'][$vid]['#size'] > count($form['taxonomy'][$vid]['#options'])) {
$form['taxonomy'][$vid]['#size'] = count($form['taxonomy'][$vid]['#options']);
}
}
}
}
elseif ($form_id == 'tac_lite_admin_scheme_form') {
$config = $form['#tac_lite_config'];
$scheme = $form['#parameters'][2];
$form['tac_lite_config_scheme_' . $scheme]['tac_lite_create'] = array(
'#type' => 'checkbox',
'#title' => 'Visibility on create and edit forms',
'#default_value' => isset($config['tac_lite_create']) ? $config['tac_lite_create'] : FALSE,
'#description' => t('Show terms when creating content. This <strong>does not</strong> control which users can create a given content type. This <strong>does</strong> control which terms appear on the node edit forms. <br/>Note that schemes granting <em>update</em> permission (above) imply <em>visibility on forms</em> as well.'),
);
}
}