Commit 24bd910f authored by alexpott's avatar alexpott

Issue #2443361 by joelpittet, Cottser, sqndr, lauriii, Manuel Garcia, Wim...

Issue #2443361 by joelpittet, Cottser, sqndr, lauriii, Manuel Garcia, Wim Leers: Remove theme_book_link, make book tree align with MenuLinkTree build
parent 8fa32882
......@@ -63,11 +63,7 @@ function book_theme() {
'variables' => array('book_link' => NULL),
),
'book_tree' => array(
'render element' => 'tree',
),
'book_link' => array(
'render element' => 'element',
'function' => 'theme_book_link',
'variables' => array('items' => array(), 'attributes' => array()),
),
'book_export_html' => array(
'variables' => array('title' => NULL, 'contents' => NULL, 'depth' => NULL),
......@@ -499,37 +495,6 @@ function template_preprocess_book_node_export_html(&$variables) {
$variables['content'] = $variables['node']->rendered;
}
/**
* Implements template_preprocess_HOOK() for book-tree.html.twig.
*/
function template_preprocess_book_tree(&$variables) {
$variables['tree'] = $variables['tree']['#children'];
}
/**
* Returns HTML for a book link and subtree.
*
* @param array $variables
* An associative array containing:
* - element: Structured array data for a book link.
*
* @ingroup themeable
*/
function theme_book_link(array $variables) {
$element = $variables['element'];
$sub_menu = '';
if ($element['#below']) {
$sub_menu = drupal_render($element['#below']);
}
$element['#localized_options']['set_active_class'] = TRUE;
/** @var \Drupal\Core\Url $url */
$url = $element['#url'];
$url->setOptions($element['#localized_options'] + $url->getOptions());
$output = \Drupal::l($element['#title'], $url);
return '<li' . new Attribute($element['#attributes']) . '>' . $output . $sub_menu . "</li>\n";
}
/**
* Determines if a given node type is in the list of types allowed for books.
*
......
......@@ -16,6 +16,7 @@
use Drupal\Core\StringTranslation\TranslationInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Template\Attribute;
use Drupal\node\NodeInterface;
/**
......@@ -501,20 +502,46 @@ public function getActiveTrailIds($bid, $link) {
* {@inheritdoc}
*/
public function bookTreeOutput(array $tree) {
$build = array();
$items = array();
$items = $this->buildItems($tree);
// Pull out just the book links we are going to render so that we
// get an accurate count for the first/last classes.
foreach ($tree as $data) {
if ($data['link']['access']) {
$items[] = $data;
}
$build = [];
if ($items) {
// Make sure drupal_render() does not re-order the links.
$build['#sorted'] = TRUE;
// Get the book id from the last link.
$item = end($items);
// Add the theme wrapper for outer markup.
// Allow menu-specific theme overrides.
$build['#theme'] = 'book_tree__book_toc_' . $item['original_link']['bid'];
$build['#items'] = $items;
// Set cache tag.
$build['#cache']['tags'][] = 'config:system.book.' . $item['original_link']['bid'];
}
$num_items = count($items);
foreach ($items as $i => $data) {
return $build;
}
/**
* Builds the #items property for a book tree's renderable array.
*
* Helper function for ::bookTreeOutput().
*
* @param array $tree
* A data structure representing the tree.
*
* @return array
* The value to use for the #items property of a renderable menu.
*/
protected function buildItems(array $tree) {
$items = [];
foreach ($tree as $data) {
$class = ['menu-item'];
// Generally we only deal with visible links, but just in case.
if (!$data['link']['access']) {
continue;
}
// Set a class for the <li>-tag. Since $data['below'] may contain local
// tasks, only set 'expanded' class if the link also has children within
// the current book.
......@@ -528,30 +555,24 @@ public function bookTreeOutput(array $tree) {
// Set a class if the link is in the active trail.
if ($data['link']['in_active_trail']) {
$class[] = 'menu-item--active-trail';
$data['link']['localized_options']['attributes']['class'][] = 'menu-item--active-trail';
}
// Allow book-specific theme overrides.
$element['#theme'] = 'book_link__book_toc_' . $data['link']['bid'];
$element['#attributes']['class'] = $class;
$element['#title'] = $data['link']['title'];
$element = [];
$element['attributes'] = new Attribute();
$element['attributes']['class'] = $class;
$element['title'] = $data['link']['title'];
$node = $this->entityManager->getStorage('node')->load($data['link']['nid']);
$element['#url'] = $node->urlInfo();
$element['#localized_options'] = !empty($data['link']['localized_options']) ? $data['link']['localized_options'] : array();
$element['#below'] = $data['below'] ? $this->bookTreeOutput($data['below']) : $data['below'];
$element['#original_link'] = $data['link'];
$element['url'] = $node->urlInfo();
$element['localized_options'] = !empty($data['link']['localized_options']) ? $data['link']['localized_options'] : [];
$element['localized_options']['set_active_class'] = TRUE;
$element['below'] = $data['below'] ? $this->buildItems($data['below']) : [];
$element['original_link'] = $data['link'];
// Index using the link's unique nid.
$build[$data['link']['nid']] = $element;
}
if ($build) {
// Make sure drupal_render() does not re-order the links.
$build['#sorted'] = TRUE;
// Add the theme wrapper for outer markup.
// Allow book-specific theme overrides.
$build['#theme_wrappers'][] = 'book_tree__book_toc_' . $data['link']['bid'];
$items[$data['link']['nid']] = $element;
}
return $build;
return $items;
}
/**
......
......@@ -255,8 +255,7 @@ public function deleteFromBook($nid);
* @return array
* A structured array to be rendered by drupal_render().
*
* @todo This was copied from menu_tree_output() but with some changes that
* may be obsolete. Attempt to resolve the differences.
* @see \Drupal\Core\Menu\MenuLinkTree::build
*/
public function bookTreeOutput(array $tree);
......
{#
/**
* @file
* Default theme implementation for a book tree.
* Default theme implementation to display a book tree.
*
* Returns HTML for a wrapper for a book sub-tree.
*
* Available variables:
* - tree: An HTML string containing the tree's items.
*
* @see template_preprocess_book_tree()
* - items: A nested list of book items. Each book item contains:
* - attributes: HTML attributes for the book item.
* - below: The book item child items.
* - title: The book link title.
* - url: The book link URL, instance of \Drupal\Core\Url.
*
* @ingroup themeable
*/
#}
<ul>{{ tree }}</ul>
{% import _self as book_tree %}
{#
We call a macro which calls itself to render the full tree.
@see http://twig.sensiolabs.org/doc/tags/macro.html
#}
{{ book_tree.book_links(items, attributes, 0) }}
{% macro book_links(items, attributes, menu_level) %}
{% import _self as book_tree %}
{% if items %}
{% if menu_level == 0 %}
<ul{{ attributes }}>
{% else %}
<ul>
{% endif %}
{% for item in items %}
<li{{ item.attributes }}>
{{ link(item.title, item.url) }}
{% if item.below %}
{{ book_tree.book_links(item.below, attributes, menu_level + 1) }}
{% endif %}
</li>
{% endfor %}
</ul>
{% endif %}
{% endmacro %}
{#
/**
* @file
* Theme override for a book tree.
* Theme override to display a book tree.
*
* Returns HTML for a wrapper for a book sub-tree.
*
* Available variables:
* - tree: An HTML string containing the tree's items.
*
* @see template_preprocess_book_tree()
* - items: A nested list of book items. Each book item contains:
* - attributes: HTML attributes for the book item.
* - below: The book item child items.
* - title: The book link title.
* - url: The book link URL, instance of \Drupal\Core\Url.
*/
#}
<ul class="menu">{{ tree }}</ul>
{% import _self as book_tree %}
{#
We call a macro which calls itself to render the full tree.
@see http://twig.sensiolabs.org/doc/tags/macro.html
#}
{{ book_tree.book_links(items, attributes, 0) }}
{% macro book_links(items, attributes, menu_level) %}
{% import _self as book_tree %}
{% if items %}
{% if menu_level == 0 %}
<ul{{ attributes.addClass('menu') }}>
{% else %}
<ul class="menu">
{% endif %}
{% for item in items %}
<li{{ item.attributes }}>
{{ link(item.title, item.url) }}
{% if item.below %}
{{ book_tree.book_links(item.below, attributes, menu_level + 1) }}
{% endif %}
</li>
{% endfor %}
</ul>
{% endif %}
{% endmacro %}
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