297 lines
9.9 KiB
PHP
297 lines
9.9 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* Admin page callbacks for the book module.
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*/
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/**
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* Returns an administrative overview of all books.
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*/
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function book_admin_overview() {
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$rows = array();
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foreach (book_get_books() as $book) {
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$rows[] = array(l($book['title'], $book['href'], $book['options']), l(t('edit order and titles'), "admin/content/book/". $book['nid']));
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}
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$headers = array(t('Book'), t('Operations'));
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return theme('table', $headers, $rows);
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}
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/**
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* Builds and returns the book settings form.
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*
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* @see book_admin_settings_validate()
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*
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* @ingroup forms
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*/
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function book_admin_settings() {
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$types = node_get_types('names');
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$form['book_allowed_types'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Allowed book outline types'),
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'#default_value' => variable_get('book_allowed_types', array('book')),
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'#options' => $types,
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'#description' => t('Select content types which users with the %add-perm permission will be allowed to add to the book hierarchy. Users with the %outline-perm permission can add all content types.', array('%add-perm' => t('add content to books'), '%outline-perm' => t('administer book outlines'))),
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'#required' => TRUE,
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);
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$form['book_child_type'] = array(
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'#type' => 'radios',
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'#title' => t('Default child page type'),
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'#default_value' => variable_get('book_child_type', 'book'),
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'#options' => $types,
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'#description' => t('The content type for the %add-child link must be one of those selected as an allowed book outline type.', array('%add-child' => t('Add child page'))),
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'#required' => TRUE,
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);
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$form['array_filter'] = array('#type' => 'value', '#value' => TRUE);
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$form['#validate'][] = 'book_admin_settings_validate';
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return system_settings_form($form);
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}
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/**
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* Validate the book settings form.
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*
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* @see book_admin_settings()
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*/
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function book_admin_settings_validate($form, &$form_state) {
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$child_type = $form_state['values']['book_child_type'];
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if (empty($form_state['values']['book_allowed_types'][$child_type])) {
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form_set_error('book_child_type', t('The content type for the %add-child link must be one of those selected as an allowed book outline type.', array('%add-child' => t('Add child page'))));
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}
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}
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/**
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* Build the form to administrate the hierarchy of a single book.
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*
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* @see book_admin_edit_submit()
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*
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* @ingroup forms.
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*/
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function book_admin_edit($form_state, $node) {
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drupal_set_title(check_plain($node->title));
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$form = array(
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'#cache' => TRUE,
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'#prefix' => '<div id="book-admin-edit-wrapper">',
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'#suffix' => '</div>',
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);
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$form['#node'] = $node;
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$form['table'] = _book_admin_table($node);
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$form['save'] = array(
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'#type' => 'submit',
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'#value' => t('Save book pages'),
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'#ahah' => array(
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'path' => 'book/js/admin/'. $node->nid,
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'selector' => '#book-admin-edit select',
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'wrapper' => 'book-admin-edit-wrapper',
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'event' => 'change',
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'effect' => 'fade',
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),
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);
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return $form;
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}
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/**
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* Handle submission of the book administrative page form.
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*
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* @see book_admin_edit()
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*/
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function book_admin_edit_submit($form, &$form_state) {
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foreach ($form_state['values']['table'] as $row) {
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$node = node_load($row['nid'], FALSE);
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if ($row['title'] != $node->title || $row['weight'] != $node->book['weight']) {
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// Record changes in node's log message.
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$log_messages = array();
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if ($row['title'] != $node->title) {
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$log_messages[] = t('Title changed from %original to %current.', array('%original' => $node->title, '%current' => $row['title']));
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}
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if ($row['weight'] != $node->book['weight']) {
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$log_messages[] = t('Weight changed from %original to %current.', array('%original' => $node->book['weight'], '%current' => $row['weight']));
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}
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$node->title = $row['title'];
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$node->book['link_title'] = $row['title'];
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$node->book['weight'] = $row['weight'];
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$node->revision = 1;
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$node->log = implode(' ', $log_messages);
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node_save($node);
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watchdog('content', 'book: updated %title.', array('%title' => $node->title), WATCHDOG_NOTICE, l(t('view'), 'node/'. $node->nid));
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}
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}
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// Insure we have the current title - it may have been changed in the form.
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$title = db_result(db_query("SELECT title FROM {node} WHERE nid = %d", $form['#node']->nid));
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drupal_set_message(t('Updated book %title.', array('%title' => $title)));
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}
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/**
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* Build the table portion of the form for the book administration page.
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*
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* @see book_admin_edit()
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*/
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function _book_admin_table($node) {
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$form = array(
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'#theme' => 'book_admin_table',
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'#tree' => TRUE,
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);
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$tree = book_menu_subtree_data($node->book);
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_book_admin_table_tree($tree, $form);
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return $form;
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}
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/**
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* Recursive helper to build the main table in the book administration page form.
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*
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* @see book_admin_edit()
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*/
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function _book_admin_table_tree($tree, &$form) {
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foreach ($tree as $key => $data) {
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$form[$key] = array(
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'nid' => array('#type' => 'value', '#value' => $data['link']['nid']),
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'depth' => array('#type' => 'value', '#value' => $data['link']['depth']),
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'href' => array('#type' => 'value', '#value' => $data['link']['href']),
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'title' => array(
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'#type' => 'textfield',
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'#default_value' => $data['link']['link_title'],
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'#maxlength' => 255,
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),
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'weight' => array(
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'#type' => 'weight',
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'#default_value' => $data['link']['weight'],
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'#delta' => 15,
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),
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);
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if ($data['below']) {
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_book_admin_table_tree($data['below'], $form);
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}
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}
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return $form;
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}
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/**
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* Theme function for the book administration page form.
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*
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* @ingroup themeable
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*/
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function theme_book_admin_table($form) {
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$header = array(t('Title'), t('Weight'), array('data' => t('Operations'), 'colspan' => '3'));
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$rows = array();
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$destination = drupal_get_destination();
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$access = user_access('administer nodes');
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foreach (element_children($form) as $key) {
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$nid = $form[$key]['nid']['#value'];
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$href = $form[$key]['href']['#value'];
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$asterisk = (isset($form[$key]['#attributes']['class']) && strpos($form[$key]['#attributes']['class'], 'book-changed') !== FALSE) ? '<span class="warning">*</span>' : '';
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$data = array(
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'<div style="padding-left: '. (25 * $form[$key]['depth']['#value']) .'px;">'. drupal_render($form[$key]['title']) . $asterisk .'</div>',
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drupal_render($form[$key]['weight']),
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l(t('view'), $href),
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$access ? l(t('edit'), 'node/'. $nid .'/edit', array('query' => $destination)) : ' ',
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$access ? l(t('delete'), 'node/'. $nid .'/delete', array('query' => $destination) ) : ' ',
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);
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$row = array('data' => $data);
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if (isset($form[$key]['#attributes'])) {
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$row = array_merge($row, $form[$key]['#attributes']);
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}
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$rows[] = $row;
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}
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return theme('status_messages') . theme('table', $header, $rows);
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}
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/**
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* Menu callback for updating the book outline form.
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*/
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function book_admin_js_update() {
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$cid = 'form_'. $_POST['form_build_id'];
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$cache = cache_get($cid, 'cache_form');
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if ($cache) {
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$form = $cache->data;
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$tree = book_menu_subtree_data($form['#node']->book);
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_book_admin_js_update_tree($tree);
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_book_admin_sort_tree($tree);
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// Create the form in the new order.
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$table_form = array();
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_book_admin_table_tree($tree, $table_form);
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// Find the changed element on this request and save the current classes.
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foreach (element_children($form['table']) as $key) {
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if (isset($form['table'][$key]['#attributes'])) {
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$table_form[$key]['#attributes'] = $form['table'][$key]['#attributes'];
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}
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if ($form['table'][$key]['weight']['#default_value'] != $_POST['table'][$key]['weight']) {
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$changed_key = $key;
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}
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}
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// Preserve the order of the new form while merging the previous data.
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$form_order = array_flip(array_keys($table_form)); // Save the form order.
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$form['table'] = array_merge($form['table'], $table_form); // Merge the data.
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$form['table'] = array_merge($form_order, $form['table']); // Put back into the correct order.
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$form['table'][$changed_key]['#attributes']['class'] = 'book-changed';
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cache_set($cid, $form, 'cache_form', $cache->expire);
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// Add the special AHAH class for new content.
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$form['table'][$changed_key]['#attributes']['class'] = isset($form['table'][$changed_key]['#attributes']['class']) ? $form['table'][$changed_key]['#attributes']['class'] .' ahah-new-content' : 'ahah-new-content';
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// Set a message for the user to save the form.
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drupal_set_message(t('Your changes will not be saved until you click the <em>Save book pages</em> button.'), 'warning');
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// Prevent duplicate wrappers.
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unset($form['#prefix'], $form['#suffix']);
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// Render the form.
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$form['#post'] = $_POST;
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$form_state = array('submitted' => FALSE);
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$form = form_builder('book_admin_edit', $form, $form_state);
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$output = drupal_render($form);
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drupal_json(array('status' => TRUE, 'data' => $output));
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}
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}
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/**
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* Recursive helper to set new form weights to the tree.
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*/
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function _book_admin_js_update_tree(&$tree) {
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foreach($tree as $key => $subtree) {
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$tree[$key]['link']['weight'] = $_POST['table'][$key]['weight'];
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$tree[$key]['link']['title'] = $_POST['table'][$key]['title'];
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if (!empty($subtree['below'])) {
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_book_admin_js_update_tree($tree[$key]['below']);
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}
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}
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}
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/**
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* Recursive helper to sort each layer of a book tree by weight.
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*/
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function _book_admin_sort_tree(&$tree) {
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uasort($tree, '_book_admin_compare');
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foreach($tree as $key => $subtree) {
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if (!empty($tree[$key]['below'])) {
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_book_admin_sort_tree($tree[$key]['below']);
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}
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}
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}
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/**
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* Used by uasort() in _book_admin_sort_tree() to compare items in a book tree.
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*/
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function _book_admin_compare($a, $b) {
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$weight = $a['link']['weight'] - $b['link']['weight'];
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if ($weight) {
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return $weight;
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}
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return strncmp($a['link']['title'], $b['link']['title']);
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}
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