248 lines
7.2 KiB
PHP
248 lines
7.2 KiB
PHP
<?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;
|
|
}
|