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55 lines
2 KiB
PHP
55 lines
2 KiB
PHP
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<?php
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/**
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* @file
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* Default theme implementation to navigate books.
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*
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* Presented under nodes that are a part of book outlines.
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*
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* Available variables:
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* - $tree: The immediate children of the current node rendered as an unordered
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* list.
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* - $current_depth: Depth of the current node within the book outline. Provided
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* for context.
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* - $prev_url: URL to the previous node.
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* - $prev_title: Title of the previous node.
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* - $parent_url: URL to the parent node.
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* - $parent_title: Title of the parent node. Not printed by default. Provided
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* as an option.
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* - $next_url: URL to the next node.
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* - $next_title: Title of the next node.
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* - $has_links: Flags TRUE whenever the previous, parent or next data has a
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* value.
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* - $book_id: The book ID of the current outline being viewed. Same as the node
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* ID containing the entire outline. Provided for context.
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* - $book_url: The book/node URL of the current outline being viewed. Provided
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* as an option. Not used by default.
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* - $book_title: The book/node title of the current outline being viewed.
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* Provided as an option. Not used by default.
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*
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* @see template_preprocess_book_navigation()
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*
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* @ingroup themeable
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*/
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?>
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<?php if ($tree || $has_links): ?>
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<div id="book-navigation-<?php print $book_id; ?>" class="book-navigation">
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<?php print $tree; ?>
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<?php if ($has_links): ?>
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<div class="page-links clearfix">
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<?php if ($prev_url): ?>
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<a href="<?php print $prev_url; ?>" class="page-previous" title="<?php print t('Go to previous page'); ?>"><?php print t('‹ ') . $prev_title; ?></a>
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<?php endif; ?>
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<?php if ($parent_url): ?>
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<a href="<?php print $parent_url; ?>" class="page-up" title="<?php print t('Go to parent page'); ?>"><?php print t('up'); ?></a>
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<?php endif; ?>
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<?php if ($next_url): ?>
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<a href="<?php print $next_url; ?>" class="page-next" title="<?php print t('Go to next page'); ?>"><?php print $next_title . t(' ›'); ?></a>
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<?php endif; ?>
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</div>
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<?php endif; ?>
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</div>
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<?php endif; ?>
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