function _i18n_book_navigation_block in Book translation 6.2

Same name and namespace in other branches

1. 6 i18n_book_navigation.module \_i18n_book_navigation_block()

Creates the block navigation. Assembles the navigation for the "current" book outline and translates the links into the desired language.

Parameters

stdClass $tnode: The current node object.

Return value

array The block array

See also

book_block() for more information

1 call to _i18n_book_navigation_block()

i18n_book_navigation_block in ./i18n_book_navigation.module

Implementation of hook_block()

File

./i18n_book_navigation.module, line 137

Defines the i18n book navigation module. Contains all necessary data and hooks

Code

function _i18n_book_navigation_block($tnode) {
  $block = array();

  // Get the node in the original language
  $node = i18n_book_navigation_get_original_node($tnode);

  // If it's the same as the current language, use the default block to save time
  if ($node->language == i18n_get_lang()) {
    $block = book_block('view');
    return $block;
  }
  if (!empty($node->book)) {
    $current_bid = $node->book['bid'];
  }
  else {
    $current_bid = 0;
  }
  if (variable_get('book_block_mode', 'all pages') == 'all pages') {
    $book_menus = array();
    foreach (i18n_book_navigation_get_books() as $bid => $book) {
      $tree = array();
      if ($bid == $current_bid) {
        $tree = i18n_book_navigation($node);
      }
      else {
        $book['in_active_trail'] = FALSE;
        $tree[0]['link'] = $book;
        $tree[0]['below'] = FALSE;
      }
      if ($bid == $current_bid) {

        // Set the breadcrumb
        i18n_book_navigation_set_breadcrumb($tnode, $tree);
      }

      // Render
      $book_menus[$bid] = menu_tree_output($tree);
    }
    $block['subject'] = t("i18n Book navigation");
    $block['content'] = theme('book_all_books_block', $book_menus);
  }
  elseif ($current_bid) {

    // Only display this block when the user is browsing a book.
    $title = db_result(db_query(db_rewrite_sql('SELECT n.title FROM {node} n WHERE n.nid = %d'), array(
      $node->book['bid'],
    )));

    // Only show the block if the user has view access for the top-level node.
    if ($title) {
      $tree = i18n_book_navigation($node);
      if (count($tree)) {

        // There should only be one element at the top level.
        $data = array_shift($tree);
        $block['subject'] = theme('book_title_link', $data['link']);
        $block['content'] = $data['below'] ? menu_tree_output($data['below']) : '';
      }
    }
  }
  return $block;
}