/**
* Validates the url field to verify it's actually a url.
*/
public function follow_url_validate($form, FormStateInterface $form_state)
{
$url = trim($form['#value']);
$networks = follow_networks_load($form['#follow_uid']);
$info = $networks[$form['#follow_network']];
$regex = follow_build_url_regex($info);
$parsed = follow_parse_url($url);
if ($url && !preg_match($regex, $parsed['path'])) {
if (!empty($info['domain'])) {
$message = t('The specified url is invalid for the domain %domain. Make sure you use http://.', array('%domain' => $info['domain']));
} else {
$message = t('The specified path is invalid. Please enter a path on this site (e.g. rss.xml or taxonomy/term/1/feed).');
}
$form_state->setError($form, $message);
}
}
/**
* Override or insert variables into the page templates.
*
* @param $vars
* An array of variables to pass to the theme template.
* @param $hook
* The name of the template being rendered ("page" in this case.)
*/
function lullacog_preprocess_page(&$vars, $hook)
{
global $theme;
global $user;
_lullacog_add_body_classes($vars);
_lullacog_process_menus($vars);
// Re-add the site-name. For SEO purposes, we always want the site name in a
// hidden h1. We can then toggle a visible site name using the $toggle_name var.
$vars['toggle_name'] = theme_get_setting('toggle_name');
$vars['site_name'] = variable_get('site_name', 'Drupal');
// If imagecache is enabled and we're using a custom logo, use our imagecache preset.
if ($vars['logo'] && function_exists('imagecache_create_url') && !theme_get_setting('default_logo')) {
$vars['logo'] = strpos($vars['logo'], '/') == 0 ? substr($vars['logo'], 1) : $vars['logo'];
$vars['logo'] = imagecache_create_url('header_logo', $vars['logo']);
}
$vars['logo_url'] = $vars['base_path'];
// Load up the site follow links into a var so we can hard code them in the theme.
if (function_exists('follow_links_load') && ($links = follow_links_load())) {
$vars['follow_site'] = theme('follow_links', array('links' => $links, 'networks' => follow_networks_load(0)));
}
}