array(
'#type' => 'vertical_tabs',
'islandora_general' => array(
'#type' => 'fieldset',
'#title' => t('General Configuration'),
'wrapper' => array(
'#prefix' => '',
'#suffix' => '
',
'#type' => 'markup',
'islandora_base_url' => array(
'#type' => 'textfield',
'#title' => t('Fedora base URL'),
'#default_value' => variable_get('islandora_base_url', 'http://localhost:8080/fedora'),
'#description' => t('The URL to use for REST connections
!confirmation_message', array(
'!confirmation_message' => $confirmation_message)),
'#required' => TRUE,
'#ajax' => array(
'callback' => 'islandora_update_url_div',
'wrapper' => 'islandora-url',
'effect' => 'fade',
'event' => 'blur',
'progress' => array('type' => 'throbber'),
),
),
),
'islandora_repository_pid' => array(
'#type' => 'textfield',
'#title' => t('Root Collection PID'),
'#default_value' => variable_get('islandora_repository_pid', 'islandora:root'),
'#description' => t('The PID of the Root Collection Object'),
'#required' => TRUE,
),
'islandora_use_datastream_cache_headers' => array(
'#type' => 'checkbox',
'#title' => t('Generate/parse datastream HTTP cache headers'),
'#description' => t('HTTP caching can reduce network traffic, by allowing clients to used cached copies.'),
'#default_value' => variable_get('islandora_use_datastream_cache_headers', TRUE),
),
),
'islandora_namespace' => array(
'#type' => 'fieldset',
'#title' => t('Namespaces'),
'islandora_namespace_restriction_enforced' => array(
'#type' => 'checkbox',
'#title' => t('Enforce namespace restrictions'),
'#description' => t("Allow administrator to restrict user's access to the PID namepaces listed below"),
'#default_value' => $restrict_namespaces,
),
'islandora_pids_allowed' => array(
'#type' => 'textarea',
'#title' => t('PID namespaces allowed in this Drupal install'),
'#description' => t('A list of PID namespaces, separated by spaces, that users are permitted to access from this Drupal installation.
This could be more than a simple namespace, e.g. demo:mydemos.
The namespace islandora: is reserved, and is always allowed.'),
'#default_value' => variable_get('islandora_pids_allowed', 'default: demo: changeme: ilives: islandora-book: books: newspapers: '),
'#states' => array(
'invisible' => array(
':input[name="islandora_namespace_restriction_enforced"]' => array('checked' => FALSE),
),
),
),
),
),
);
return system_settings_form($form);
}
/**
* Gets a message which describes if the repository is accessible.
*
* Also describes if the user is considered an authenticated user by the
* repository.
*
* @param string $url
* The url to the Fedora Repository.
*
* @return string
* A message describing the accessibility of the repository at the given url.
*/
function islandora_admin_settings_form_repository_access_message($url) {
$info = $dc = FALSE;
$connection = islandora_get_tuque_connection(NULL, $url);
if ($connection) {
try {
$info = $connection->api->a->describeRepository();
// If we are able to successfully call API-M::getDatastream, assume we are
// an authenticated user, as API-M is usally locked down.
$dc = $connection->api->m->getDatastream('fedora-system:ContentModel-3.0', 'DC');
}
catch (RepositoryException $e) {
// Ignore, we only testing to see what is accessible.
}
}
if ($info && $dc) {
$confirmation_message = theme_image(array('path' => 'misc/watchdog-ok.png', 'attributes' => array()));
$confirmation_message .= t('Successfully connected to Fedora Server (Version !version).', array(
'!version' => $info['repositoryVersion']));
}
elseif ($info) {
$confirmation_message = theme_image(array('path' => 'misc/watchdog-warning.png', 'attributes' => array()));
$confirmation_message .= t('Unable to authenticate when connecting to to Fedora Server (Version !version). Please configure the !filter.', array(
'!version' => $info['repositoryVersion'], '!filter' => 'Drupal Filter'));
}
else {
$confirmation_message = theme_image(array('path' => 'misc/watchdog-error.png', 'attributes' => array()));
$confirmation_message .= t('Unable to connect to Fedora server at !islandora_url', array(
'!islandora_url' => $url));
}
return $confirmation_message;
}
/**
* Get the element to render for the AJAX event that triggered this callback.
*
* @param array $form
* The Drupal form definition.
* @param array $form_state
* The Drupal form state.
*
* @return array
* The form element to render.
*/
function islandora_update_url_div(array $form, array $form_state) {
return $form['islandora_tabs']['islandora_general']['wrapper'];
}