58 lines
1.9 KiB
Twig
58 lines
1.9 KiB
Twig
{#
|
||
/**
|
||
* @file
|
||
* Default theme implementation to navigate books.
|
||
*
|
||
* Presented under nodes that are a part of book outlines.
|
||
*
|
||
* Available variables:
|
||
* - tree: The immediate children of the current node rendered as an unordered
|
||
* list.
|
||
* - current_depth: Depth of the current node within the book outline. Provided
|
||
* for context.
|
||
* - prev_url: URL to the previous node.
|
||
* - prev_title: Title of the previous node.
|
||
* - parent_url: URL to the parent node.
|
||
* - parent_title: Title of the parent node. Not printed by default. Provided
|
||
* as an option.
|
||
* - next_url: URL to the next node.
|
||
* - next_title: Title of the next node.
|
||
* - has_links: Flags TRUE whenever the previous, parent or next data has a
|
||
* value.
|
||
* - book_id: The book ID of the current outline being viewed. Same as the node
|
||
* ID containing the entire outline. Provided for context.
|
||
* - book_url: The book/node URL of the current outline being viewed. Provided
|
||
* as an option. Not used by default.
|
||
* - book_title: The book/node title of the current outline being viewed.
|
||
*
|
||
* @see template_preprocess_book_navigation()
|
||
*
|
||
* @ingroup themeable
|
||
*/
|
||
#}
|
||
{% if tree or has_links %}
|
||
<nav role="navigation" aria-labelledby="book-label-{{ book_id }}">
|
||
{{ tree }}
|
||
{% if has_links %}
|
||
<h2>{{ 'Book traversal links for'|t }} {{ book_title }}</h2>
|
||
<ul>
|
||
{% if prev_url %}
|
||
<li>
|
||
<a href="{{ prev_url }}" rel="prev" title="{{ 'Go to previous page'|t }}"><b>{{ '‹'|t }}</b> {{ prev_title }}</a>
|
||
</li>
|
||
{% endif %}
|
||
{% if parent_url %}
|
||
<li>
|
||
<a href="{{ parent_url }}" title="{{ 'Go to parent page'|t }}">{{ 'Up'|t }}</a>
|
||
</li>
|
||
{% endif %}
|
||
{% if next_url %}
|
||
<li>
|
||
<a href="{{ next_url }}" rel="next" title="{{ 'Go to next page'|t }}">{{ next_title }} <b>{{ '›'|t }}</b></a>
|
||
</li>
|
||
{% endif %}
|
||
</ul>
|
||
{% endif %}
|
||
</nav>
|
||
{% endif %}
|