--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/drupal/modules/book/book.pages.inc Fri Aug 21 16:26:26 2009 +0000
@@ -0,0 +1,260 @@
+<?php
+// $Id: book.pages.inc,v 1.5.2.1 2008/08/13 23:59:13 drumm Exp $
+
+/**
+ * @file
+ * User page callbacks for the book module.
+ */
+
+/**
+ * Menu callback; prints a listing of all books.
+ */
+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', $book_list);
+}
+
+/**
+ * Menu callback; Generates various representation 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: HTML (printer friendly output)
+ *
+ * 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 $type parameter.
+ */
+function book_export($type, $nid) {
+
+ $type = drupal_strtolower($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();
+ }
+}
+
+/**
+ * This function is called by book_export() to generate HTML for 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')) {
+ $export_data = array();
+ $node = node_load($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', $node->title, $contents, $node->book['depth']);
+ }
+ else {
+ drupal_access_denied();
+ }
+}
+
+/**
+ * Menu callback; show the outline form for a single node.
+ */
+function book_outline($node) {
+ drupal_set_title(check_plain($node->title));
+ return drupal_get_form('book_outline_form', $node);
+}
+
+/**
+ * Build the form to handle all book outline operations via the outline tab.
+ *
+ * @see book_outline_form_submit()
+ * @see book_remove_button_submit()
+ *
+ * @ingroup forms
+ */
+function book_outline_form(&$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, $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' => $node->nid != $node->book['bid'] && $node->book['bid'],
+ '#weight' => 20,
+ '#submit' => array('book_remove_button_submit'),
+ );
+
+ return $form;
+}
+
+/**
+ * Button submit function to redirect to removal confirm form.
+ *
+ * @see book_outline_form()
+ */
+function book_remove_button_submit($form, &$form_state) {
+ $form_state['redirect'] = 'node/'. $form['#node']->nid .'/outline/remove';
+}
+
+/**
+ * Handles book outline form submissions from the outline tab.
+ *
+ * @see book_outline_form()
+ */
+function book_outline_form_submit($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/". $node->nid ."/outline";
+ }
+ else {
+ drupal_set_message(t('The book outline has been updated.'));
+ }
+ }
+ else {
+ drupal_set_message(t('There was an error adding the post to the book.'), 'error');
+ }
+}
+
+/**
+ * Menu callback; builds a form to confirm removal of a node from the book.
+ *
+ * @see book_remove_form_submit()
+ *
+ * @ingroup forms
+ */
+function book_remove_form(&$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, $description, t('Remove'));
+}
+
+/**
+ * Confirm form submit function to remove a node from the book.
+ *
+ * @see book_remove_form()
+ */
+function book_remove_form_submit($form, &$form_state) {
+ $node = $form['#node'];
+ if ($node->nid != $node->book['bid']) {
+ // Only allowed when this is not a book (top-level page).
+ menu_link_delete($node->book['mlid']);
+ db_query('DELETE FROM {book} WHERE nid = %d', $node->nid);
+ drupal_set_message(t('The post has been removed from the book.'));
+ }
+ $form_state['redirect'] = 'node/'. $node->nid;
+}
+
+/**
+ * AJAX callback to replace the book parent select options.
+ *
+ * This function is called when the selected book is changed. It updates the
+ * cached form (either the node form or the book outline form) and returns
+ * rendered output to be used to replace the select containing the possible
+ * parent pages in the newly selected book.
+ *
+ * @param $build_id
+ * The form's build_id.
+ * @param $bid
+ * A bid from from among those in the form's book select.
+ * @return
+ * Prints the replacement HTML in JSON format.
+ */
+function book_form_update() {
+ $bid = $_POST['book']['bid'];
+ if ($form = form_get_cache($_POST['form_build_id'], $form_state)) {
+
+ // Validate the bid.
+ if (isset($form['book']['bid']['#options'][$bid])) {
+ $book_link = $form['#node']->book;
+ $book_link['bid'] = $bid;
+ // Get the new options and update the cache.
+ $form['book']['plid'] = _book_parent_select($book_link);
+ form_set_cache($_POST['form_build_id'], $form, $form_state);
+
+ // Build and render the new select element, then return it in JSON format.
+ $form_state = array();
+ $form['#post'] = array();
+ $form = form_builder($form['form_id']['#value'] , $form, $form_state);
+ $output = drupal_render($form['book']['plid']);
+ drupal_json(array('status' => TRUE, 'data' => $output));
+ }
+ else {
+ drupal_json(array('status' => FALSE, 'data' => ''));
+ }
+ }
+ else {
+ drupal_json(array('status' => FALSE, 'data' => ''));
+ }
+ exit();
+}