function shoutbox_add_form_validate in Shoutbox 6.2

Same name and namespace in other branches

1. 5 shoutbox.module \shoutbox_add_form_validate()
2. 6 shoutbox.module \shoutbox_add_form_validate()
3. 7.2 shoutbox.module \shoutbox_add_form_validate()
4. 7 shoutbox.module \shoutbox_add_form_validate()

Makes sure uses don't submit default values.

Parameters

$form_id: The form ID of the form.

$form_values: Form values.

File

./shoutbox.module, line 483

Shout box module displays a block for users to create short messages for the whole site. Uses AHAH to update the database and display content.

Code

function shoutbox_add_form_validate($form, &$form_state) {

  //  Remove trailing whitespace
  $form_state['values']['message'] = trim($form_state['values']['message']);
  $max = variable_get('shoutbox_max_length', 255);

  //  Empty message
  if (!$form_state['values']['message']) {
    form_set_error('message', t('You must enter a message.'));
  }
  else {
    if ($max && strlen($form_state['values']['message']) > $max) {
      form_set_error('message', t('Your shout is too long. Only @max characters are allowed.', array(
        '@max' => $max,
      )));
    }
  }
}