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- <?php
- /**
- * @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.
- * - $book_title: The book/node title of the current outline being viewed.
- * Provided as an option. Not used by default.
- *
- * @see template_preprocess_book_navigation()
- *
- * @ingroup themeable
- */
- ?>
- <?php if ($tree || $has_links): ?>
- <div id="book-navigation-<?php print $book_id; ?>" class="book-navigation">
- <?php print $tree; ?>
- <?php if ($has_links): ?>
- <div class="page-links clearfix">
- <?php if ($prev_url): ?>
- <a href="<?php print $prev_url; ?>" class="page-previous" title="<?php print t('Go to previous page'); ?>"><?php print t('‹ ') . $prev_title; ?></a>
- <?php endif; ?>
- <?php if ($parent_url): ?>
- <a href="<?php print $parent_url; ?>" class="page-up" title="<?php print t('Go to parent page'); ?>"><?php print t('up'); ?></a>
- <?php endif; ?>
- <?php if ($next_url): ?>
- <a href="<?php print $next_url; ?>" class="page-next" title="<?php print t('Go to next page'); ?>"><?php print $next_title . t(' ›'); ?></a>
- <?php endif; ?>
- </div>
- <?php endif; ?>
- </div>
- <?php endif; ?>
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