From 2bc3de6a4ffa99e47ddfd05fbe75927c882412d4 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Fri, 18 Sep 2009 10:54:20 +0000
Subject: - Patch #283723 by pwolanin, sun | eddified, moshe weitzman, Dries,
 aether, Arancaytar: Added Make menu_tree_output() return renderable output.

---
 modules/book/book-all-books-block.tpl.php |  7 +++----
 modules/book/book.module                  | 26 ++++++++++++++++++++++++--
 2 files changed, 27 insertions(+), 6 deletions(-)

(limited to 'modules')

diff --git a/modules/book/book-all-books-block.tpl.php b/modules/book/book-all-books-block.tpl.php
index daec0aa82..5a42c9835 100644
--- a/modules/book/book-all-books-block.tpl.php
+++ b/modules/book/book-all-books-block.tpl.php
@@ -8,13 +8,12 @@
  * all pages" which presents Multiple independent books on all pages.
  *
  * Available variables:
- * - $book_menus: Array of book outlines rendered as an unordered list. It is
- *   keyed to the parent book ID which is also the ID of the parent node
- *   containing an entire outline.
+ * - $book_menus: Array of book outlines keyed to the parent book ID. Call
+ *   render() on each to print it as an unordered list. 
  */
 ?>
 <?php foreach ($book_menus as $book_id => $menu) : ?>
 <div id="book-block-menu-<?php print $book_id; ?>" class="book-block-menu">
-  <?php print $menu; ?>
+  <?php print render($menu); ?>
 </div>
 <?php endforeach; ?>
diff --git a/modules/book/book.module b/modules/book/book.module
index 13a589c45..2df5e988f 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -248,7 +248,8 @@ function book_block_view($delta = '') {
         $book_menus[$book_id] = menu_tree_output($pseudo_tree);
       }
     }
-    $block['content'] = theme('book_all_books_block', $book_menus);
+    $book_menus['#theme'] = 'book_all_books_block';
+    $block['content'] = $book_menus;
   }
   elseif ($current_bid) {
     // Only display this block when the user is browsing a book.
@@ -705,7 +706,7 @@ function book_children($book_link) {
     }
   }
 
-  return $children ? menu_tree_output($children) : '';
+  return $children ? drupal_render(menu_tree_output($children)) : '';
 }
 
 /**
@@ -891,6 +892,27 @@ function _book_link_defaults($nid) {
   return array('original_bid' => 0, 'menu_name' => '', 'nid' => $nid, 'bid' => 0, 'router_path' => 'node/%', 'plid' => 0, 'mlid' => 0, 'has_children' => 0, 'weight' => 0, 'module' => 'book', 'options' => array());
 }
 
+/**
+ * Process variables for book-all-books-block.tpl.php.
+ *
+ * The $variables array contains the following arguments:
+ * - $book_menus
+ *
+ * All non-renderable elements are removed so that the template has full
+ * access to the structured data but can also simply iterate over all
+ * elements and render them (as in the default template).
+ *
+ * @see book-navigation.tpl.php
+ */
+function template_preprocess_book_all_books_block(&$variables) {
+  // Remove all non-renderable elements.
+  $elements = $variables['book_menus'];
+  $variables['book_menus'] = array();
+  foreach (element_children($elements) as $index) {
+    $variables['book_menus'][$index] = $elements[$index];
+  }
+}
+
 /**
  * Process variables for book-navigation.tpl.php.
  *
-- 
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