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https://github.com/tag1consulting/d7_to_d10_migration.git
synced 2024-11-29 00:43:27 +00:00
247 lines
7.2 KiB
PHP
247 lines
7.2 KiB
PHP
<?php
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/**
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* @file
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* User page callbacks for the book module.
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*/
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/**
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* Menu callback: Prints a listing of all books.
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*
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* @return string
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* A HTML-formatted string with the listing of all books content.
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*
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* @see book_menu()
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*/
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function book_render() {
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$book_list = array();
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foreach (book_get_books() as $book) {
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$book_list[] = l($book['title'], $book['href'], $book['options']);
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}
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return theme('item_list', array('items' => $book_list));
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}
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/**
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* Menu callback; Generates representations of a book page and its children.
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*
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* The function delegates the generation of output to helper functions. The
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* function name is derived by prepending 'book_export_' to the given output
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* type. So, e.g., a type of 'html' results in a call to the function
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* book_export_html().
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*
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* @param $type
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* A string encoding the type of output requested. The following types are
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* currently supported in book module:
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* - html: Printer-friendly HTML.
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* Other types may be supported in contributed modules.
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* @param $nid
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* An integer representing the node id (nid) of the node to export
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*
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* @return
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* A string representing the node and its children in the book hierarchy in a
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* format determined by the $type parameter.
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*
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* @see book_menu()
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*/
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function book_export($type, $nid) {
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// Check that the node exists and that the current user has access to it.
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$node = node_load($nid);
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if (!$node) {
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return MENU_NOT_FOUND;
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}
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if (!node_access('view', $node)) {
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return MENU_ACCESS_DENIED;
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}
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$type = drupal_strtolower($type);
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$export_function = 'book_export_' . $type;
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if (function_exists($export_function)) {
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print call_user_func($export_function, $nid);
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}
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else {
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drupal_set_message(t('Unknown export format.'));
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drupal_not_found();
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}
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}
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/**
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* Generates HTML for export when invoked by book_export().
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*
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* The given node is embedded to its absolute depth in a top level section. For
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* example, a child node with depth 2 in the hierarchy is contained in
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* (otherwise empty) <div> elements corresponding to depth 0 and depth 1.
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* This is intended to support WYSIWYG output - e.g., level 3 sections always
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* look like level 3 sections, no matter their depth relative to the node
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* selected to be exported as printer-friendly HTML.
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*
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* @param $nid
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* An integer representing the node id (nid) of the node to export.
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*
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* @return
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* A string containing HTML representing the node and its children in
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* the book hierarchy.
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*/
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function book_export_html($nid) {
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if (user_access('access printer-friendly version')) {
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$node = node_load($nid);
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if (isset($node->book)) {
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$tree = book_menu_subtree_data($node->book);
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$contents = book_export_traverse($tree, 'book_node_export');
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return theme('book_export_html', array('title' => $node->title, 'contents' => $contents, 'depth' => $node->book['depth']));
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}
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else {
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drupal_not_found();
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}
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}
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else {
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drupal_access_denied();
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}
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}
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/**
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* Menu callback: Shows the outline form for a single node.
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*
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* @param $node
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* The book node for which to show the outline.
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*
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* @return string
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* A HTML-formatted string with the outline form for a single node.
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*
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* @see book_menu()
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*/
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function book_outline($node) {
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drupal_set_title($node->title);
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return drupal_get_form('book_outline_form', $node);
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}
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/**
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* Form constructor for the book outline form.
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*
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* Allows handling of all book outline operations via the outline tab.
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*
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* @param $node
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* The book node for which to show the outline.
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*
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* @see book_outline_form_submit()
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* @see book_remove_button_submit()
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* @ingroup forms
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*/
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function book_outline_form($form, &$form_state, $node) {
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if (!isset($node->book)) {
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// The node is not part of any book yet - set default options.
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$node->book = _book_link_defaults($node->nid);
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}
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else {
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$node->book['original_bid'] = $node->book['bid'];
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}
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// Find the depth limit for the parent select.
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if (!isset($node->book['parent_depth_limit'])) {
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$node->book['parent_depth_limit'] = _book_parent_depth_limit($node->book);
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}
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$form['#node'] = $node;
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$form['#id'] = 'book-outline';
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_book_add_form_elements($form, $form_state, $node);
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$form['book']['#collapsible'] = FALSE;
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$form['update'] = array(
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'#type' => 'submit',
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'#value' => $node->book['original_bid'] ? t('Update book outline') : t('Add to book outline'),
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'#weight' => 15,
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);
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$form['remove'] = array(
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'#type' => 'submit',
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'#value' => t('Remove from book outline'),
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'#access' => _book_node_is_removable($node),
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'#weight' => 20,
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'#submit' => array('book_remove_button_submit'),
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);
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return $form;
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}
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/**
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* Form submission handler for book_outline_form().
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*
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* Redirects to removal confirmation form.
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*
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* @see book_outline_form_submit()
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*/
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function book_remove_button_submit($form, &$form_state) {
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$form_state['redirect'] = 'node/' . $form['#node']->nid . '/outline/remove';
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}
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/**
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* Form submission handler for book_outline_form().
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*
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* @see book_remove_button_submit()
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*/
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function book_outline_form_submit($form, &$form_state) {
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$node = $form['#node'];
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$form_state['redirect'] = "node/" . $node->nid;
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$book_link = $form_state['values']['book'];
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if (!$book_link['bid']) {
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drupal_set_message(t('No changes were made'));
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return;
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}
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$book_link['menu_name'] = book_menu_name($book_link['bid']);
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$node->book = $book_link;
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if (_book_update_outline($node)) {
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if ($node->book['parent_mismatch']) {
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// This will usually only happen when JS is disabled.
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drupal_set_message(t('The post has been added to the selected book. You may now position it relative to other pages.'));
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$form_state['redirect'] = "node/" . $node->nid . "/outline";
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}
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else {
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drupal_set_message(t('The book outline has been updated.'));
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}
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}
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else {
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drupal_set_message(t('There was an error adding the post to the book.'), 'error');
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}
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}
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/**
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* Form constructor to confirm removal of a node from a book.
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*
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* @param $node
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* The node to delete.
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*
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* @see book_remove_form_submit()
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* @ingroup forms
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*/
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function book_remove_form($form, &$form_state, $node) {
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$form['#node'] = $node;
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$title = array('%title' => $node->title);
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if ($node->book['has_children']) {
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$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.', $title);
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}
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else {
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$description = t('%title may be added to hierarchy again using the Outline tab.', $title);
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}
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return confirm_form($form, t('Are you sure you want to remove %title from the book hierarchy?', $title), 'node/' . $node->nid, $description, t('Remove'));
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}
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/**
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* Form submission handler for book_remove_form().
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*/
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function book_remove_form_submit($form, &$form_state) {
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$node = $form['#node'];
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if (_book_node_is_removable($node)) {
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menu_link_delete($node->book['mlid']);
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db_delete('book')
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->condition('nid', $node->nid)
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->execute();
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drupal_set_message(t('The post has been removed from the book.'));
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}
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$form_state['redirect'] = 'node/' . $node->nid;
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}
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