islandora_fedora_api.module

<?php

/**
 * $file
 * Main module file for the Islandora Fedora API.
 */

/**
 * Implements hook_form_FORM_ID_alter().
 *
 * This hook adds the fedora settings to the Islandora settings page
 * when this module is used with Islandora core. If it is used on its own
 * it is up to the user to pass the Fedora information to the API.
 *
 * @todo Implement namespace restrictions.
 * @todo Make sure we save a value for islandora_repository_title
 * @todo Shouldn't this be implemented using module_invoke_all instead of for alter
 */
function fedora_api_form_islandora_admin_settings_alter(&$form, &$form_state, $form_id) {

  // get the current value of fedora_drupal_filter for the AJAX callback
  $fedora_drupal_filter = isset($form_state['values']['fedora_drupal_filter']) ?
    $form_state['values']['fedora_drupal_filter'] : variable_get('fedora_drupal_filter', 1);

  $form['fedora'] = array(
    '#type' => 'fieldset',
    '#title' => t('Fedora'),
    '#weight' => -8,
    '#group' => 'settings',
  );

  $form['fedora']['fedora_server_url'] = array(
    '#type' => 'textfield',
    '#title' => t('Fedora server URL'),
    '#default_value' => variable_get('fedora_server_url', 'http://localhost:8080/fedora'),
    '#description' => t('The Fedora server URL'),
    '#required' => TRUE,
    '#suffix' => '<div id="check-url-div"></div>',
    '#ajax' => array(
      'callback' => 'fedora_api_check_url_callback',
      'wrapper' => 'check-url-div',
      'effect' => 'none',
      'progress' => array('type' => 'throbber', 'message' => '', ),
    ),
  );

  $form['fedora']['fedora_drupal_filter'] = array(
    '#type' => 'checkbox',
    '#title' => t('Use Drupal Filter'),
    '#description' => t('Uncheck this box if you would like to bypass the drupal servlet filter when connecting
      to the fedora repository. (Not recommended.)'),
    '#default_value' => variable_get('fedora_drupal_filter', 1),
    '#ajax' => array(
      'callback' => 'fedora_api_filter_callback',
      'wrapper' => 'drupal-filter-div',
      'effect' => 'slide',
      'speed' => 'fast',
      'progress' => array('type' => 'none'),
    ),
  );

  // add the fieldset for the ajax callback to the form array
  $form['fedora']['filter_fieldset'] = array(
    '#prefix' => '<div id="drupal-filter-div">',
    '#suffix' => '</div>',
    '#type' => 'fieldset',
  );

  if ($fedora_drupal_filter == 0) {
    $form['fedora']['filter_fieldset']['fedora_user'] = array(
      '#type' => 'textfield',
      '#title' => 'Fedora User',
      '#default_value' => variable_get('fedora_user', 'fedoraAdmin'),
      '#description' => t('The username to use when connecting to the Fedora server'),
      '#required' => FALSE,
    );
    $form['fedora']['filter_fieldset']['fedora_password'] = array(
      '#type' => 'password',
      '#title' => 'Password',
      '#default_value' => variable_get('fedora_password', ''),
      '#description' => t('Password for this Fedora user.'),
      '#required' => FALSE,
    );
  }

}

/**
 * Implements a AJAX callback that is called when the don't use drupal filter box is checked.
 *
 * @todo get this working. currently doesn't save when enabled through ajax.
 */
function fedora_api_filter_callback($form, $form_state) {
  return $form['fedora']['filter_fieldset'];
}

function fedora_api_check_url_callback($form, $form_state) {
  return '<div id="check-url-div"><img src="' . url('misc/watchdog-ok.png') . '"/></div><p>';
}