Monday, November 25, 2013

Adding additional class to a button in drupal

Recently we were building a multi-domain site, we are using same theme for all sites but we want to have different colors for buttons for each domain. We achieved this using my overriding theme_button in template.php of theme, here is the snippet.

/**
 * Overwrite theme_button()
 * @file template.php
 */
function mytheme_button($variables) {
  $element = $variables['element'];
  // Add some extra conditions to make sure we're only adding
  // the classto the right submit button Now add our custom class
  if (isset($element['#attributes'])) {
    $element['#attributes']['class'] [] = 'button';
    $domain = domain_get_domain();
    $element['#attributes']['class'] [] = $domain['machine_name'];
  }
  $variables['element'] = $element;
  return theme_button($variables);
}

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