function comment_box_form_alter in Util 7

Same name and namespace in other branches

1. 6.3 contribs/comment_box/comment_box.module \comment_box_form_alter()

Implements hook_form_alter(). Change the comment textarea size.

File

contribs/comment_box/comment_box.module, line 11

Changes the size of the comment area.

Code

function comment_box_form_alter(&$form, $form_state, $form_id) {

  // Is it a comment form?
  if (substr($form_id, 0, 13) == 'comment_node_' && substr($form_id, -5) == '_form') {

    // Save the content type.
    $type = drupal_html_id(substr($form_id, 13, -5));

    // Fake the form id.
    $form_id = '_comment_node_xxx_form';
  }
  switch ($form_id) {
    case '_comment_node_xxx_form':
      foreach ($form['comment_body'] as $lang => $group) {
        if (substr($lang, 0, 1) != '#') {
          foreach ($group as $key => $element) {
            if (is_numeric($key)) {

              // Set the texarea size. Note, Drupal always adds one extra row, so we decrement the value.
              $form['comment_body'][$lang][$key]['#rows'] = variable_get("comment_box_size_{$type}", 10) - 1;

              // Add a class so it can be further styled in the CSS.
              $form['comment_body'][$lang][$key]['#prefix'] = '<div class="' . "comment-box-{$type}" . '">';
              $form['comment_body'][$lang][$key]['#suffix'] = '</div>';
            }
          }
        }
      }
      return;

    // Settings
    case 'util_page':
      $form['comment_box'] = array(
        '#type' => 'fieldset',
        '#collapsible' => TRUE,
        '#collapsed' => FALSE,
        '#title' => t('Comment box size'),
        '#description' => t('Enter the number of rows you wish each comment box to be for the listed content type.'),
      );
      $types = node_type_get_names();
      foreach ($types as $type => $name) {
        $var_name = "comment_box_size_{$type}";
        $form['comment_box'][$var_name] = array(
          '#type' => 'textfield',
          '#field_prefix' => '<strong>' . check_plain($name) . '</strong> ',
          '#default_value' => variable_get($var_name, 10),
          '#size' => 8,
        );
      }
      $form['clear'] = array(
        '#value' => '<div class="clear-block"></div>',
      );
  }
}