function ajax_comments_form_comment_form_alter in AJAX Comments 6

Same name and namespace in other branches

1. 8 ajax_comments.module \ajax_comments_form_comment_form_alter()
2. 7 ajax_comments.module \ajax_comments_form_comment_form_alter()

Implementation of hook_form_FORM_ID_alter().

File

./ajax_comments.module, line 112

Implements AJAX handling for Drupal comment forms.

Code

function ajax_comments_form_comment_form_alter(&$form, $form_state) {
  if ($form['nid']['#value']) {
    $node = node_load($form['nid']['#value']);
  }
  else {
    $node = menu_get_object();
    if ((!isset($node) || !$node->nid) && arg(0) == 'ajax_comments') {
      $node = node_load(arg(2));
    }
  }
  $allowed_node_types = variable_get('ajax_comments_node_types', array());
  $all_allowed = TRUE;
  foreach ($allowed_node_types as $type) {
    if ($type) {
      $all_allowed = FALSE;
      break;
    }
  }
  if ($all_allowed || isset($allowed_node_types[$node->type]) && $allowed_node_types[$node->type]) {
    if (arg(1) != 'edit' && arg(1) != 'reply' && arg(2) != 'edit' && arg(2) != 'reply') {
      $form['#prefix'] = '<div id="comment-preview"></div>';

      // Overriding PID param so it will appear on the form.
      $form['pid']['#type'] = 'hidden';
      $form['pid']['#default_value'] = $form['pid']['#value'];
      unset($form['pid']['#value']);

      // Node id for rebuilding form if needed
      $form['nid'] = array(
        '#type' => 'hidden',
        '#default_value' => $node->nid,
      );

      // We should set specific ID to let ahah wrapper know what to wrap on ajax
      // loaded comment-form even if we have many submit buttons on the page.
      $form['preview']['#id'] = "ajax-comments-preview";
      $form['preview']['#ahah'] = array(
        'path' => 'ajax_comments/js',
        'wrapper' => 'comment-preview',
        'event' => 'click',
        'method' => 'append',
        'effect' => 'ajaxCommentsPreview',
        'progress' => array(
          'type' => '1bar',
          'message' => t('Please wait...'),
        ),
      );
      $form['submit']['#id'] = "ajax-comments-submit";
      $form['submit']['#submit'] = array(
        'ajax_comments_submit',
      );
      $form['submit']['#ahah'] = array(
        'path' => 'ajax_comments/js',
        'wrapper' => 'comment-form-content',
        'event' => 'click',
        'method' => 'before',
        'effect' => 'ajaxCommentsSubmit',
        'progress' => array(
          'type' => '1bar',
          'message' => t('Please wait...'),
        ),
      );
    }
  }
}