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Adding menu names to the ul menus in Drupal 7
function themename_menu_link(&$variables) {
$element = $variables['element'];
$sub_menu = '';
$element['#attributes']['data-menu-parent'] = $element['#original_link']['menu_name'] . '-' . $element['#original_link']['depth'];
if ($element['#below']) {
$sub_menu = drupal_render($element['#below']);
}
$output = l($element['#title'], $element['#href'], $element['#localized_options']);
return '<li' . drupal_attributes($element['#attributes']) . '>' . $output . $sub_menu . "</li>\n";
}
function themename_preprocess_menu_tree(&$variables) {
$tree = new DOMDocument();
$tree->loadHTML($variables['tree']);
$links = $tree->getElementsByTagname('li');
$parent = '';
foreach ($links as $link) {
$parent = $link->getAttribute('data-menu-parent');
}
$variables['menu_parent'] = $parent;
}
function themename_menu_tree(&$variables) {
return '<ul class="menu ' . $variables['menu_parent'] . '">' . $variables['tree'] . '</ul>';
}
@kevinquillen
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kevinquillen commented Dec 7, 2012

A novel approach to getting the menu name applied to the UL container of a Drupal menu, with a depth added. This grants you the ability to get better names on the ul menus instead of 'menu' for better targeting with say, Javascript.

@henrijs
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henrijs commented Aug 13, 2013

Thank you very much for this approach. It's pure genius. I'll take "novel" over "theme_menu_tree" any day. Forked your gist and fixed couple of bugs. 1) @ before $tree->loadHTML() will get rid of errors about HTML5 tags (are those from new DOMDocument()?) and most importantly big one b) break in foreach loop will return correct $parent value (first li, not last, since last one is deepest level in deeper nested trees).

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