root / drupal7 / sites / all / themes / bootstrap / templates / book / book-navigation.vars.php @ 38c269d5
1 | caf16a48 | Assos Assos | <?php
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2 | /**
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3 | * @file
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4 | * Stub file for "book_navigation" theme hook [pre]process functions.
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5 | */
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6 | |||
7 | /**
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8 | * Pre-processes variables for the "book_navigation" theme hook.
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9 | *
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10 | * See template for list of available variables.
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11 | *
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12 | * @see book-navigation.tpl.php
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13 | *
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14 | * @ingroup theme_preprocess
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15 | */
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16 | 4eeb3b46 | Assos Assos | function bootstrap_preprocess_book_navigation(&$variables) { |
17 | caf16a48 | Assos Assos | $variables['tree'] = _bootstrap_book_children($variables['book_link']); |
18 | } |
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19 | |||
20 | /**
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21 | * Formats the menu links for the child pages of the current page.
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22 | *
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23 | * @param array $book_link
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24 | * A fully loaded menu link that is part of the book hierarchy.
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25 | *
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26 | * @return string
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27 | * HTML for the links to the child pages of the current page.
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28 | */
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29 | function _bootstrap_book_children($book_link) { |
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30 | // Rebuild entire menu tree for the book.
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31 | $tree = menu_build_tree($book_link['menu_name']); |
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32 | $tree = menu_tree_output($tree); |
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33 | |||
34 | // Fix the theme hook suggestions.
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35 | _bootstrap_book_fix_theme_hooks($book_link['nid'], $tree); |
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36 | |||
37 | // Return the rendered output.
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38 | return drupal_render($tree); |
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39 | } |
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40 | |||
41 | /**
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42 | * Helper function to fix theme hooks in book TOC menus.
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43 | *
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44 | * @param int $bid
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45 | * The book identification number.
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46 | * @param array $element
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47 | * The element to iterate over, passed by reference.
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48 | * @param int $level
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49 | * Used internally to determine the current level of the menu.
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50 | */
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51 | function _bootstrap_book_fix_theme_hooks($bid, array &$element, $level = 0) { |
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52 | $hook = $level === 0 ? $bid : 'sub_menu__' . $bid; |
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53 | $element['#theme_wrappers'] = array('menu_tree__book_toc__' . $hook); |
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54 | foreach (element_children($element) as $child) { |
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55 | $element[$child]['#theme'] = 'menu_link__book_toc__' . $hook; |
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56 | // Iterate through all child menu items as well.
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57 | if (!empty($element[$child]['#below'])) { |
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58 | _bootstrap_book_fix_theme_hooks($bid, $element[$child]['#below'], ($level + 1)); |
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59 | } |
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60 | } |
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61 | } |