diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/book/book.pages.inc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/book/book.pages.inc	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,247 @@
+<?php
+
+/**
+ * @file
+ * User page callbacks for the book module.
+ */
+
+/**
+ * Menu callback: Prints a listing of all books.
+ *
+ * @return string
+ *   A HTML-formatted string with the listing of all books content.
+ *
+ * @see book_menu()
+ */
+function book_render() {
+  $book_list = array();
+  foreach (book_get_books() as $book) {
+    $book_list[] = l($book['title'], $book['href'], $book['options']);
+  }
+
+  return theme('item_list', array('items' => $book_list));
+}
+
+/**
+ * Menu callback; Generates representations of a book page and its children.
+ *
+ * The function delegates the generation of output to helper functions. The
+ * function name is derived by prepending 'book_export_' to the given output
+ * type. So, e.g., a type of 'html' results in a call to the function
+ * book_export_html().
+ *
+ * @param $type
+ *   A string encoding the type of output requested. The following types are
+ *   currently supported in book module:
+ *   - html: Printer-friendly HTML.
+ *   Other types may be supported in contributed modules.
+ * @param $nid
+ *   An integer representing the node id (nid) of the node to export
+ *
+ * @return
+ *   A string representing the node and its children in the book hierarchy in a
+ *   format determined by the $type parameter.
+ *
+ * @see book_menu()
+ */
+function book_export($type, $nid) {
+  // Check that the node exists and that the current user has access to it.
+  $node = node_load($nid);
+  if (!$node) {
+    return MENU_NOT_FOUND;
+  }
+  if (!node_access('view', $node)) {
+    return MENU_ACCESS_DENIED;
+  }
+
+  $type = drupal_strtolower($type);
+
+  $export_function = 'book_export_' . $type;
+
+  if (function_exists($export_function)) {
+    print call_user_func($export_function, $nid);
+  }
+  else {
+    drupal_set_message(t('Unknown export format.'));
+    drupal_not_found();
+  }
+}
+
+/**
+ * Generates HTML for export when invoked by book_export().
+ *
+ * The given node is embedded to its absolute depth in a top level section. For
+ * example, a child node with depth 2 in the hierarchy is contained in
+ * (otherwise empty) <div> elements corresponding to depth 0 and depth 1.
+ * This is intended to support WYSIWYG output - e.g., level 3 sections always
+ * look like level 3 sections, no matter their depth relative to the node
+ * selected to be exported as printer-friendly HTML.
+ *
+ * @param $nid
+ *   An integer representing the node id (nid) of the node to export.
+ *
+ * @return
+ *   A string containing HTML representing the node and its children in
+ *   the book hierarchy.
+ */
+function book_export_html($nid) {
+  if (user_access('access printer-friendly version')) {
+    $node = node_load($nid);
+    if (isset($node->book)) {
+      $tree = book_menu_subtree_data($node->book);
+      $contents = book_export_traverse($tree, 'book_node_export');
+      return theme('book_export_html', array('title' => $node->title, 'contents' => $contents, 'depth' => $node->book['depth']));
+    }
+    else {
+      drupal_not_found();
+    }
+  }
+  else {
+    drupal_access_denied();
+  }
+}
+
+/**
+ * Menu callback: Shows the outline form for a single node.
+ *
+ * @param $node
+ *   The book node for which to show the outline.
+ *
+ * @return string
+ *   A HTML-formatted string with the outline form for a single node.
+ *
+  * @see book_menu()
+ */
+function book_outline($node) {
+  drupal_set_title($node->title);
+  return drupal_get_form('book_outline_form', $node);
+}
+
+/**
+ * Form constructor for the book outline form.
+ *
+ * Allows handling of all book outline operations via the outline tab.
+ *
+ * @param $node
+ *   The book node for which to show the outline.
+ *
+ * @see book_outline_form_submit()
+ * @see book_remove_button_submit()
+ * @ingroup forms
+ */
+function book_outline_form($form, &$form_state, $node) {
+  if (!isset($node->book)) {
+    // The node is not part of any book yet - set default options.
+    $node->book = _book_link_defaults($node->nid);
+  }
+  else {
+    $node->book['original_bid'] = $node->book['bid'];
+  }
+
+  // Find the depth limit for the parent select.
+  if (!isset($node->book['parent_depth_limit'])) {
+    $node->book['parent_depth_limit'] = _book_parent_depth_limit($node->book);
+  }
+  $form['#node'] = $node;
+  $form['#id'] = 'book-outline';
+  _book_add_form_elements($form, $form_state, $node);
+
+  $form['book']['#collapsible'] = FALSE;
+
+  $form['update'] = array(
+    '#type' => 'submit',
+    '#value' => $node->book['original_bid'] ? t('Update book outline') : t('Add to book outline'),
+    '#weight' => 15,
+  );
+
+  $form['remove'] = array(
+    '#type' => 'submit',
+    '#value' => t('Remove from book outline'),
+    '#access' => _book_node_is_removable($node),
+    '#weight' => 20,
+    '#submit' => array('book_remove_button_submit'),
+  );
+
+  return $form;
+}
+
+/**
+ * Form submission handler for book_outline_form().
+ *
+ * Redirects to removal confirmation form.
+ *
+ * @see book_outline_form_submit()
+ */
+function book_remove_button_submit($form, &$form_state) {
+  $form_state['redirect'] = 'node/' . $form['#node']->nid . '/outline/remove';
+}
+
+/**
+ * Form submission handler for book_outline_form().
+ *
+ * @see book_remove_button_submit()
+ */
+function book_outline_form_submit($form, &$form_state) {
+  $node = $form['#node'];
+  $form_state['redirect'] = "node/" . $node->nid;
+  $book_link = $form_state['values']['book'];
+  if (!$book_link['bid']) {
+    drupal_set_message(t('No changes were made'));
+
+    return;
+  }
+
+  $book_link['menu_name'] = book_menu_name($book_link['bid']);
+  $node->book = $book_link;
+  if (_book_update_outline($node)) {
+    if ($node->book['parent_mismatch']) {
+      // This will usually only happen when JS is disabled.
+      drupal_set_message(t('The post has been added to the selected book. You may now position it relative to other pages.'));
+      $form_state['redirect'] = "node/" . $node->nid . "/outline";
+    }
+    else {
+      drupal_set_message(t('The book outline has been updated.'));
+    }
+  }
+  else {
+    drupal_set_message(t('There was an error adding the post to the book.'), 'error');
+  }
+}
+
+/**
+ * Form constructor to confirm removal of a node from a book.
+ *
+ * @param $node
+ *   The node to delete.
+ *
+ * @see book_remove_form_submit()
+ * @ingroup forms
+ */
+function book_remove_form($form, &$form_state, $node) {
+  $form['#node'] = $node;
+  $title = array('%title' => $node->title);
+
+  if ($node->book['has_children']) {
+    $description = t('%title has associated child pages, which will be relocated automatically to maintain their connection to the book. To recreate the hierarchy (as it was before removing this page), %title may be added again using the Outline tab, and each of its former child pages will need to be relocated manually.', $title);
+  }
+  else {
+    $description = t('%title may be added to hierarchy again using the Outline tab.', $title);
+  }
+
+  return confirm_form($form, t('Are you sure you want to remove %title from the book hierarchy?', $title), 'node/' . $node->nid, $description, t('Remove'));
+}
+
+/**
+ * Form submission handler for book_remove_form().
+ */
+function book_remove_form_submit($form, &$form_state) {
+  $node = $form['#node'];
+  if (_book_node_is_removable($node)) {
+    menu_link_delete($node->book['mlid']);
+    db_delete('book')
+      ->condition('nid', $node->nid)
+      ->execute();
+    drupal_set_message(t('The post has been removed from the book.'));
+  }
+  $form_state['redirect'] = 'node/' . $node->nid;
+}