333 lines
11 KiB
PHP
333 lines
11 KiB
PHP
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<?php
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/**
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* @file
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* Preprocessors and theme functions of the Superfish module.
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*/
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use Drupal\Core\Url;
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use Drupal\Core\Menu\InaccessibleMenuLink;
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use Drupal\Core\Language\LanguageInterface;
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use Drupal\Component\Utility\Html;
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use Drupal\Component\Render\FormattableMarkup;
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use Drupal\Core\Template\Attribute;
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/**
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* Prepares variables for the Superfish menu template.
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*
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* Default template: superfish.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - element: An associative array containing the properties of the element.
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* Properties used: #menu_name, #html_id, #settings, #tree
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* - menu_name: Unique menu identifier.
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* - html_id: Unique HTML ID.
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* - settings: Menu block settings.
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* - tree: The menu tree.
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*
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* @see superfish.html.twig
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*/
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function template_preprocess_superfish(array &$variables) {
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$element = $variables['element'];
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$menu_items_rendered = [
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'#theme' => 'superfish_menu_items',
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'#menu_name' => $element['#menu_name'],
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'#tree' => $element['#tree'],
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'#settings' => $element['#settings'],
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'#cloned_parent' => FALSE,
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];
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$direction = \Drupal::languageManager()->getCurrentLanguage()->getDirection();
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$menu_classes = ['menu', 'sf-menu'];
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$menu_classes[] = 'sf-' . $element['#menu_name'];
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$menu_classes[] = 'sf-' . $element['#settings']['menu_type'];
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$menu_classes[] = 'sf-style-' . $element['#settings']['style'];
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$menu_classes[] = ($direction === LanguageInterface::DIRECTION_RTL) ? 'rtl' : '';
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if (strpos($element['#settings']['ulclass'], ' ') !== FALSE) {
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$l = explode(' ', $element['#settings']['ulclass']);
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foreach ($l as $c) {
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$menu_classes[] = Html::cleanCssIdentifier($c);
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}
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}
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else {
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$menu_classes[] = Html::cleanCssIdentifier($element['#settings']['ulclass']);
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}
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$menu_classes = implode(' ', superfish_array_filter($menu_classes));
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$variables['id'] = $element['#html_id'];
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$variables['menu_classes'] = $menu_classes;
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$variables['menu_items'] = $menu_items_rendered;
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}
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/**
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* Prepares variables for Superfish menu items templates.
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*
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* Default template: superfish-menu-items.html.twig.
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*
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* @param array $variables
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* An associative array containing:
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* - element: An associative array containing the properties of the element.
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* Properties used: #tree, #settings, #cloned_parent
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* - tree: The menu tree.
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* - menu_name: Unique menu identifier.
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* - settings: Block settings
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* - cloned_parent: Cloned sub-menu parent link.
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*
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* @see superfish-menu-items.html.twig
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*/
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function template_preprocess_superfish_menu_items(array &$variables) {
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$element = $variables['element'];
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// Keep $sfsettings untouched as we need to pass it to the child menus.
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$settings = $sfsettings = $element['#settings'];
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$multicolumn = $multicolumn_below = $settings['multicolumn'];
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$variables['menu_items'] = [];
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$menu = $element['#tree'];
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// sfTouchscreen.
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// Adding cloned parent to the sub-menu tree.
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// Note, it is always false if it's not a sub-menu.
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if ($element['#cloned_parent'] !== FALSE) {
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array_unshift($menu, $element['#cloned_parent']);
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}
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$active_trails = \Drupal::service('menu.active_trail')
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->getActiveTrailIds($element['#menu_name']);
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foreach ($menu as $menu_item) {
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if (NULL !== $menu_item->link &&
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!($menu_item->link instanceof InaccessibleMenuLink)) {
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$item_class = $link_class = [];
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$multicolumn_wrapper = $multicolumn_column = $multicolumn_content = $nolink = FALSE;
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// Menu link properties.
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$link = $menu_item->link->getPluginDefinition();
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$item = [
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'id' => $link['id'],
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'text' => $menu_item->link->getTitle(),
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'description' => $menu_item->link->getDescription(),
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'url' => $menu_item->link->getUrlObject(),
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'enabled' => $link['enabled'],
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'expanded' => $sfsettings['expanded'] ? $link['expanded'] : TRUE,
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'options' => $link['options'],
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'subtree' => $menu_item->subtree,
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'depth' => $menu_item->depth,
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'hasChildren' => $menu_item->hasChildren,
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'inActiveTrail' => $menu_item->inActiveTrail,
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];
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if ($item['url']->isRouted()) {
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// Adding the "is-active" class.
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$host = \Drupal::request()->getHttpHost();
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$request_uri = \Drupal::request()->getRequestUri();
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$current_url = Url::fromRoute('<current>');
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$current_path = $current_url->toString();
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$link_url = $item['url']->toString();
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// Anchor links.
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if (strpos($link_url, '#') !== FALSE) {
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$link_url = explode('#', $link_url);
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$link_url = $link_url[0];
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}
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if ($link_url == $current_path || $link_url == $request_uri ||
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$link_url == $host . $request_uri) {
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$link_class[] = 'is-active';
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}
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$nolink = $item['url']->getRouteName() === '<nolink>' ? TRUE : FALSE;
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}
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// Adding the necessary "active-trail" class.
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if ($item['inActiveTrail'] ||
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array_key_exists($item['id'], $active_trails) ||
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($menu_item->link->getUrlObject()->isRouted() &&
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$menu_item->link->getUrlObject()->getRouteName() == '<front>' &&
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\Drupal::service('path.matcher')->isFrontPage())) {
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$item_class[] = 'active-trail';
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}
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// Add menu link depth classes to the <li> element and its link.
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if ($settings['itemdepth']) {
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$link_class[] = 'sf-depth-' . $item['depth'];
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$item_class[] = 'sf-depth-' . $item['depth'];
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}
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// Indicates a cloned parent, i.e. does not exist in the actual menu tree.
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$item_class[] = $element['#cloned_parent'] ? 'sf-clone-parent' : '';
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// Adding custom <li> classes.
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if (strpos($settings['liclass'], ' ') !== FALSE) {
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$l = explode(' ', $settings['liclass']);
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foreach ($l as $c) {
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$item_class[] = Html::cleanCssIdentifier($c);
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}
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}
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else {
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$item_class[] = Html::cleanCssIdentifier($settings['liclass']);
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}
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// Adding custom link classes.
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if (strpos($settings['hlclass'], ' ') !== FALSE) {
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$l = explode(' ', $settings['hlclass']);
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foreach ($l as $c) {
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$link_class[] = Html::cleanCssIdentifier($c);
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}
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}
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else {
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$link_class[] = Html::cleanCssIdentifier($settings['hlclass']);
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}
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// Add a class to external links.
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$link_class[] = isset($item['options']['external']) ? 'sf-external' : '';
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// Inserting link description (the "title" attribute) into the text.
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if ($settings['add_linkdescription'] && !empty($item['description'])) {
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$link_text = '@text <span class="sf-description">@description</span>';
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$link_text_replace = [
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'@text' => $item['text'],
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'@description' => $item['description'],
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];
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}
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else {
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$link_text = '@text';
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$link_text_replace = [
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'@text' => $item['text'],
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];
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}
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// Hiding link descriptions (the "title" attribute).
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if ($settings['hide_linkdescription']) {
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$item['options']['attributes']['title'] = '';
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}
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// Sub-menu.
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if ($item['hasChildren'] && $item['subtree'] && $item['expanded']) {
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// Multi-column sub-menus.
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if ($settings['multicolumn']) {
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if ($item['depth'] == $settings['multicolumn_depth']) {
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$multicolumn_wrapper = TRUE;
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}
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else {
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$multicolumn_wrapper = FALSE;
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}
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if ($item['depth'] == $settings['multicolumn_depth'] + 1) {
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$multicolumn_column = TRUE;
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}
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else {
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$multicolumn_column = FALSE;
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}
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if ($item['depth'] >= $settings['multicolumn_depth'] &&
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$item['depth'] <= $settings['multicolumn_levels']) {
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$multicolumn_content = TRUE;
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}
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else {
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$multicolumn_content = FALSE;
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}
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}
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// sfTouchscreen.
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// Preparing the cloned parent links to be added to the sub-menus.
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if ($settings['clone_parent'] && $item['subtree'] && !$nolink) {
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$cloned_parent = $menu_item;
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$cloned_parent->subtree = [];
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}
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else {
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$cloned_parent = FALSE;
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}
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// Render the sub-menu.
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$children = [
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'#theme' => 'superfish_menu_items',
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'#menu_name' => $element['#menu_name'],
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'#tree' => $item['subtree'],
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'#settings' => $sfsettings,
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'#cloned_parent' => $cloned_parent,
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];
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if ($item['subtree']) {
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// Adding some more classes.
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$item_class[] = $multicolumn_column ? 'sf-multicolumn-column' : '';
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$item_class[] = $link_class[] = 'menuparent';
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}
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}
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else {
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$children = '';
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$item_class[] = 'sf-no-children';
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}
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// Preparing <li> classes for the theme.
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$item_class = implode(' ', superfish_array_filter($item_class));
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// Merging link classes.
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if (isset($item['options']['attributes']['class'])) {
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$link_class_current = $item['options']['attributes']['class'];
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if (!is_array($link_class_current)) {
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$link_class_current = [$link_class_current];
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}
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$link_class = array_merge(
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$link_class_current,
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superfish_array_filter($link_class)
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);
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}
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$item['options']['attributes']['class'] = superfish_array_filter($link_class);
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// Dirty fix! to only add a "menuparent" class.
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$item['options_menuparent'] = $item['options'];
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$item['options_menuparent']['attributes']['class'][] = 'menuparent';
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if ($nolink) {
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$item['options_menuparent']['attributes']['class'][] = 'nolink';
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}
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$link_element = [
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'#type' => 'link',
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'#title' => new FormattableMarkup($link_text, $link_text_replace),
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'#url' => $item['url'],
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'#options' => $item['options'],
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];
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$link_element_menuparent = [
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'#type' => 'link',
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'#title' => new FormattableMarkup($link_text, $link_text_replace),
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'#url' => $item['url'],
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'#options' => $item['options_menuparent'],
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];
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$item_attributes = new Attribute();
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if (isset($item['options']['item_attributes'])) {
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foreach ($item['options']['item_attributes'] as $name => $value) {
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$value = trim($value);
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if ($value) {
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$item_attributes->offsetSet($name, $value);
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}
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}
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}
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$id = Html::getUniqueId($element['#menu_name'] . '-' . $item['id']);
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if (!$item_attributes->offsetGet('id')) {
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$item_attributes->offsetSet('id', $id);
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}
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if ($item_class) {
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$item_attributes->offsetSet('class', trim($item_attributes->offsetGet('class') . ' ' . $item_class));
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}
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$variables['menu_items'][] = [
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'attributes' => $item_attributes,
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'link' => $link_element,
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'link_menuparent' => $link_element_menuparent,
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'children' => $children,
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'multicolumn_wrapper' => $multicolumn_wrapper,
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'multicolumn_content' => $multicolumn_content,
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'multicolumn_column' => $multicolumn_column,
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];
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}
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}
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}
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