' . implode($breadcrumb_separator, $breadcrumb) . "$trailing_separator$title";
}
}
// Otherwise, return an empty string.
return '';
}
/*
* Converts a string to a suitable html ID attribute.
*
* http://www.w3.org/TR/html4/struct/global.html#h-7.5.2 specifies what makes a
* valid ID attribute in HTML. This function:
*
* - Ensure an ID starts with an alpha character by optionally adding an 'n'.
* - Replaces any character except A-Z, numbers, and underscores with dashes.
* - Converts entire string to lowercase.
*
* @param $string
* The string
* @return
* The converted string
*/
function basic_id_safe($string) {
// Replace with dashes anything that isn't A-Z, numbers, dashes, or underscores.
$string = strtolower(preg_replace('/[^a-zA-Z0-9_-]+/', '-', $string));
// If the first character is not a-z, add 'n' in front.
if (!ctype_lower($string{0})) { // Don't use ctype_alpha since its locale aware.
$string = 'id'. $string;
}
return $string;
}
/**
* Generate the HTML output for a menu link and submenu.
*
* @param $variables
* An associative array containing:
* - element: Structured array data for a menu link.
*
* @return
* A themed HTML string.
*
* @ingroup themeable
*/
function basic_menu_link(array $variables) {
$element = $variables['element'];
$sub_menu = '';
if ($element['#below']) {
$sub_menu = drupal_render($element['#below']);
}
$output = l($element['#title'], $element['#href'], $element['#localized_options']);
// Adding a class depending on the TITLE of the link (not constant)
$element['#attributes']['class'][] = basic_id_safe($element['#title']);
// Adding a class depending on the ID of the link (constant)
$element['#attributes']['class'][] = 'mid-' . $element['#original_link']['mlid'];
return '' . $output . $sub_menu . "\n";
}
/*
* Customize the PRIMARY and SECONDARY LINKS, to allow the admin tabs to work on all browsers
*/
function basic_menu_local_task($variables) {
$link = $variables['element']['#link'];
$link['localized_options']['html'] = TRUE;
return '' . l('' . $link['title'] . '', $link['href'], $link['localized_options']) . "\n";
}
/*
* Duplicate of theme_menu_local_tasks() but adds clearfix to tabs.
*/
function basic_menu_local_tasks() {
$output = array();
if ($primary = menu_primary_local_tasks()) {
if(menu_secondary_local_tasks()) {
$primary['#prefix'] = '';
}
else {
$primary['#prefix'] = '';
}
$primary['#suffix'] = '
';
$output[] = $primary;
}
if ($secondary = menu_secondary_local_tasks()) {
$secondary['#prefix'] = '';
$secondary['#suffix'] = '
';
$output[] = $secondary;
}
return $output;
}