function twitter_post_field_widget_form in Twitter 7.6

Implements hook_field_widget_form().

File

twitter_post/twitter_post.field.inc, line 36

Field configuration for twitter_post module.

Code

function twitter_post_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {
  if (!is_numeric($delta)) {
    $delta = 0;
  }

  // Load the default values for this field.
  if (isset($instance['default_value'][$delta])) {
    $defaults = $instance['default_value'][$delta];
  }
  else {
    $defaults = array(
      'status' => 0,
      'message' => _twitter_post_default_message($instance['entity_type']),
    );
  }

  // Work out the field's current values, use the defaults if not found.
  $status = isset($items[$delta]['status']) ? $items[$delta]['status'] : $defaults['status'];
  $message = isset($items[$delta]['message']) ? $items[$delta]['message'] : $defaults['message'];

  // If this entity was previously published, disable the status.
  if (isset($element['#entity']) && !empty($element['#entity']->status)) {
    $status = 0;
  }

  // Build the basic fields.
  $element += array(
    '#attached' => array(
      'js' => array(
        drupal_get_path('module', 'twitter_post') . '/twitter_post.js',
      ),
    ),
    'status' => array(
      '#type' => 'checkbox',
      '#title' => t('Announce this post on Twitter'),
      '#default_value' => $status,
      '#id' => 'twitter-toggle',
    ),
    'message' => array(
      '#type' => 'textfield',
      '#title' => t('Twitter.com status'),
      '#default_value' => $message,
      '#description' => t('The given text will be posted to Twitter.com. See Replacement Patterns below for a list of available tokens. Note that if a URL is being included, the maximum length of the rest of the tweet is 117 characters.'),
      '#maxlength' => 150,
      '#attributes' => array(
        'class' => array(
          'twitter-post-message',
        ),
      ),
      '#states' => array(
        'visible' => array(
          'input#twitter-toggle' => array(
            'checked' => TRUE,
          ),
        ),
      ),
    ),
    'token_help' => array(
      '#title' => t('Replacement patterns'),
      '#type' => 'fieldset',
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
      '#description' => t('Prefer raw-text replacements for text to avoid problems with HTML entities!'),
      '#states' => array(
        'visible' => array(
          'input#twitter-toggle' => array(
            'checked' => TRUE,
          ),
        ),
      ),
      'help' => array(
        '#theme' => 'token_tree',
        '#token_types' => array(
          $instance['entity_type'],
        ),
        '#global_types' => TRUE,
        '#click_insert' => TRUE,
        '#dialog' => TRUE,
      ),
    ),
  );

  // Only add the account selector when editing a node.
  if (!empty($element['#entity'])) {
    global $user;
    $account = user_load($user->uid);
    $langcode = empty($langcode) ? entity_language($entity_type, $entity) : $langcode;
    module_load_include('inc', 'twitter');

    // Only show Twitter accounts that are either global or are tied to this
    // user.
    $access_global = user_access('post to twitter with global account', $account);
    $twitter_accounts = twitter_load_authenticated_accounts($account->uid, $access_global);
    $options = array();
    foreach ($twitter_accounts as $twitter_account) {
      $options[$twitter_account->twitter_uid] = $twitter_account->screen_name;
    }

    // The current value on the form field.
    $twitter_uid = isset($items[$delta]['account']) ? $items[$delta]['account'] : NULL;

    // No accounts were found. Oops.
    if (empty($options)) {

      // Save the current value.
      $element += array(
        'account' => array(
          '#type' => 'value',
          '#value' => $twitter_uid,
          '#id' => 'twitter-account',
        ),
      );

      // Disable the tweet options.
      $element['status']['#disabled'] = TRUE;
      $element['message']['#disabled'] = TRUE;
      $element['token_help']['#access'] = TRUE;
    }
    elseif (count($options) > 1) {
      $element += array(
        'account' => array(
          '#type' => 'select',
          '#title' => t('Twitter Account'),
          '#options' => $options,
          '#id' => 'twitter-account',
          '#default_value' => $twitter_uid,
          '#states' => array(
            'visible' => array(
              'input#twitter-toggle' => array(
                'checked' => TRUE,
              ),
            ),
          ),
        ),
      );
    }
    else {
      if (empty($twitter_uid)) {
        $twitter_uid = key($options);
      }
      $screen_name = twitter_screen_name_from_uid($twitter_uid);
      $element += array(
        'account' => array(
          '#type' => 'value',
          '#value' => $twitter_uid,
          '#id' => 'twitter-account',
        ),
        'account_name' => array(
          '#type' => 'item',
          '#title' => t('Twitter account'),
          '#markup' => _twitter_user_profile($screen_name),
          '#states' => array(
            'visible' => array(
              'input#twitter-toggle' => array(
                'checked' => TRUE,
              ),
            ),
          ),
        ),
      );
    }
  }
  return $element;
}