function facebook_comments_form_node_form_alter in Facebook Comments Social Plugin 7

Implements hook_form_alter().

Add the Facebook commenting options for a node.

File

./facebook_comments.module, line 279

Facebook Comments Social Plugin module file.

Code

function facebook_comments_form_node_form_alter(&$form, $form_state) {

  // Load the default values.
  $node = $form['#node'];

  // If this is a preview then get the values from the form, not the db.
  if (isset($form_state['values']['op']) && $form_state['values']['op'] == t('Preview')) {
    $defaults = new StdClass();
    $defaults->enabled = $form_state['values']['facebook_comments_enabled'];
    $defaults->amount = $form_state['values']['facebook_comments_amount'];
  }
  elseif (isset($node->nid) && $node->nid > 0) {

    // Load the values from the db if we are viewing an existing node.
    $defaults = db_select('facebook_comments', 'f')
      ->fields('f', array(
      'enabled',
      'amount',
    ))
      ->condition('f.nid', $node->nid, '=')
      ->execute()
      ->fetchObject();

    // If the node existed before we installed facebook_comments add, default values.
    if (!$defaults) {
      $defaulttypes = variable_get('facebook_comments_types', array());
      $defaults = new StdClass();
      $defaults->enabled = FALSE;
      $defaults->amount = 15;
    }
  }
  else {

    // Init standard values.
    $defaulttypes = variable_get('facebook_comments_types', array());
    $defaults = new StdClass();
    $defaults->enabled = !empty($defaulttypes[$node->type]) ? 1 : 0;
    $defaults->amount = 15;
  }
  $form['facebook_comments'] = array(
    '#type' => 'fieldset',
    '#title' => t('Facebook comments'),
    '#group' => 'additional_settings',
    '#access' => user_access('moderate facebook comments'),
    '#attributes' => array(
      'class' => array(
        'edit-facebook-comments',
      ),
    ),
    '#attached' => array(
      'js' => array(
        'vertical-tabs' => drupal_get_path('module', 'facebook_comments') . "/facebook_comments_vertical_tabs.js",
      ),
    ),
  );

  // Enable or disable Facebook comments for this node.
  $form['facebook_comments']['facebook_comments_enabled'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable Facebook comments'),
    '#default_value' => $defaults->enabled,
  );

  // Amount of comments.
  $form['facebook_comments']['facebook_comments_amount'] = array(
    '#type' => 'select',
    '#title' => t('Amount of comments to display'),
    '#options' => array(
      1 => 1,
      2 => 2,
      3 => 3,
      5 => 5,
      7 => 7,
      10 => 10,
      15 => 15,
      20 => 20,
      30 => 30,
    ),
    '#default_value' => $defaults->amount,
  );
}