767 lines
24 KiB
PHP
767 lines
24 KiB
PHP
<?php
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/**
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* @file
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* Contains the functions to generate Printer-friendly pages.
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*
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* This file is included by the core PF module, and includes all the
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* functions necessary to generate a PF version of the original page
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* in HTML format.
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*
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* @ingroup print
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*/
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$_print_urls = PRINT_URLS_DEFAULT;
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/**
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* Generate an HTML version of the printer-friendly page
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*
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* @see print_controller()
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*/
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function print_controller_html() {
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$args = func_get_args();
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$path = filter_xss(implode('/', $args));
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$cid = isset($_GET['comment']) ? (int)$_GET['comment'] : NULL;
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$link = print_print_link();
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$node = print_controller($path, $link['format'], $cid);
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if ($node) {
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// Handle the query
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$query = $_GET;
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unset($query['q']);
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$html = theme('print', array('node' => $node, 'query' => $query, 'format' => $link['format']));
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drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
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drupal_send_headers();
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print $html;
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$nodepath = (isset($node->nid)) ? 'node/' . $node->nid : drupal_get_normal_path($path);
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db_merge('print_page_counter')
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->key(array('path' => $nodepath))
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->fields(array(
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'totalcount' => 1,
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'timestamp' => REQUEST_TIME,
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))
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->expression('totalcount', 'totalcount + 1')
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->execute();
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}
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}
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/**
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* Select the print generator function based on the page type
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*
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* Depending on the type of node, this functions chooses the appropriate
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* generator function.
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*
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* @param string $path
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* path of the original page
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* @param string $format
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* format of the page being generated
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* @param int $cid
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* comment ID of the individual comment to be rendered
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* @param string $view_mode
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* (optional) view mode to be used when rendering the content
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*
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* @return object
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* node-like object to be used in the print template
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*
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* @see _print_generate_node()
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* @see _print_generate_path()
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* @see _print_generate_book()
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* @see print_preprocess_print()
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*/
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function print_controller($path, $format, $cid = NULL, $view_mode = PRINT_VIEW_MODE) {
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if (empty($path)) {
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// If no path was provided, let's try to generate a page for the referer
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global $base_url;
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$ref = $_SERVER['HTTP_REFERER'];
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$path = preg_replace("!^$base_url/!", '', $ref);
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if (($path === $ref) || empty($path)) {
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$path = variable_get('site_frontpage', 'node');
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}
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}
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if ($alias = drupal_lookup_path('source', $path)) {
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// Indirect call with print/alias
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// If there is a path alias with these arguments, generate a printer-friendly version for it
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$path = $alias;
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}
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$parts = explode('/', $path);
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if (($parts[0] == 'node') && (count($parts) > 1) && ctype_digit($parts[1])) {
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array_shift($parts);
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$path = implode('/', $parts);
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}
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$revision_view = preg_match('!^[\d]*/revisions/[\d]*/view$!', $path);
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if (ctype_digit($parts[0]) && ((count($parts) == 1) || $revision_view)) {
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$vid = $revision_view ? $parts[2] : NULL;
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$node = _print_generate_node($path, $format, $vid, $cid, $view_mode);
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}
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else {
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$ret = preg_match('!^book/export/html/(.*)!i', $path, $matches);
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if ($ret == 1) {
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// This is a book PF page link, handle trough the book handling functions
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$node = _print_generate_book($matches[1], $format);
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}
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else {
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// If no content node was found, handle the page printing with the 'printable' engine
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$node = _print_generate_path($path, $format);
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}
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}
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return $node;
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}
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/**
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* Implements hook_preprocess_HOOK().
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*/
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function print_preprocess_print(&$variables) {
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global $language;
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$node = $variables['node'];
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$format = $variables['format'];
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$path = drupal_get_path_alias(empty($node->nid) ? $node->path : "node/$node->nid");
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static $hooks = NULL;
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if (!isset($hooks)) {
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drupal_theme_initialize();
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$hooks = theme_get_registry();
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}
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$variables['page']['#show_messages'] = FALSE;
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// Stolen from theme() so that ALL preprocess functions are called
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$hook = 'page';
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$info = $hooks[$hook];
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if (isset($info['preprocess functions']) || isset($info['process functions'])) {
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$variables['theme_hook_suggestions'] = array();
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foreach (array('preprocess functions', 'process functions') as $phase) {
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if (!empty($info[$phase])) {
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foreach ($info[$phase] as $processor_function) {
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if (function_exists($processor_function)) {
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// We don't want a poorly behaved process function changing $hook.
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$hook_clone = $hook;
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$processor_function($variables, $hook_clone);
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}
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}
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}
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}
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}
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$logo_url = FALSE;
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switch (variable_get('print_logo_options', PRINT_LOGO_OPTIONS_DEFAULT)) {
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case 1: // theme's
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$logo_url = theme_get_setting('logo');
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break;
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case 2: // user-specifed
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$logo_url = strip_tags(variable_get('print_logo_url', PRINT_LOGO_URL_DEFAULT));
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break;
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}
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$logo_url = preg_replace('!^' . base_path() . '!', '', $logo_url);
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$variables['print_logo'] = $logo_url ? theme('image', array('path' => $logo_url, 'alt' => variable_get('site_name', 'Drupal'), 'attributes' => array('class' => 'print-logo', 'id' => 'logo'))) : NULL;
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$variables['print_node'] = $node;
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$variables['content'] = $node->content;
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$variables['scripts'] = drupal_get_js();
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$variables['footer_scripts'] = drupal_get_js('footer');
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$variables['sourceurl_enabled'] = variable_get('print_sourceurl_enabled', PRINT_SOURCEURL_ENABLED_DEFAULT);
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$variables['url'] = url($path, array('absolute' => TRUE, 'query' => $variables['query']));
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$variables['source_url'] = url(variable_get('print_sourceurl_forcenode', PRINT_SOURCEURL_FORCENODE_DEFAULT) ? drupal_get_normal_path($path) : $path, array('alias' => TRUE, 'absolute' => TRUE, 'query' => $variables['query']));
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$variables['cid'] = isset($node->cid) ? $node->cid : NULL;
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$variables['print_title'] = check_plain($node->title);
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$variables['head'] = drupal_get_html_head();
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$variables['robots_meta'] = _print_robots_meta_generator();
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$variables['css'] = _print_css_generator($variables['expand_css']);
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if (variable_get('print_html_sendtoprinter', PRINT_HTML_SENDTOPRINTER_DEFAULT) && ($format == 'html')) {
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drupal_add_js('misc/drupal.js', array('weight' => JS_LIBRARY));
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$window_close = (variable_get('print_html_new_window', PRINT_HTML_NEW_WINDOW_DEFAULT) && variable_get('print_html_windowclose', PRINT_HTML_WINDOWCLOSE_DEFAULT)) ? 'window.close();' : '';
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$variables['sendtoprinter'] = '<script type="text/javascript">(function ($) { Drupal.behaviors.print = {attach: function(context) {$(window).load(function() {window.print();' . $window_close . '})}}})(jQuery);</script>';
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}
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$type = (isset($node->type)) ? $node->type : '';
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$nid = (isset($node->nid)) ? $node->nid : '';
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$variables['theme_hook_suggestions'] = array();
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$variables['theme_hook_suggestions'][] = "print__node__{$type}";
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$variables['theme_hook_suggestions'][] = "print__node__{$type}__{$nid}";
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$variables['theme_hook_suggestions'][] = "print__{$format}";
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$variables['theme_hook_suggestions'][] = "print__{$format}__node__{$type}";
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$variables['theme_hook_suggestions'][] = "print__{$format}__node__{$type}__{$nid}";
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}
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/**
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* Returns HTML for the published line of the print template.
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*
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* @param array $vars
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* An empty associative array
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*
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* @return string
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* HTML text with the published line
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*
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* @ingroup themeable
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* @ingroup print_themeable
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*/
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function theme_print_published($vars) {
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global $base_url;
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$published_site = variable_get('site_name', 0);
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return $published_site ? t('Published on %site_name', array('%site_name' => $published_site)) . ' (' . l($base_url, $base_url) . ')' : '';
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}
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/**
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* Returns HTML for the breadcrumb line of the print template.
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*
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* @param array $vars
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* An associative array containing:
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* - $node: the node object
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*
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* @return string
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* HTML text with the breadcrumb
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*
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* @ingroup themeable
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* @ingroup print_themeable
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*/
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function theme_print_breadcrumb($vars) {
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$node = $vars['node'];
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$old_path = $_GET['q'];
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$path = empty($node->nid) ? $node->path : "node/$node->nid";
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menu_set_active_item($path);
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$breadcrumb = drupal_get_breadcrumb();
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if (!empty($breadcrumb)) {
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$breadcrumb[] = menu_get_active_title();
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menu_set_active_item($old_path);
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return filter_xss(implode(' > ', $breadcrumb));
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}
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else {
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menu_set_active_item($old_path);
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return '';
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}
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}
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/**
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* Returns HTML for the footer of the print template.
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*
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* @param array $vars
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* An empty associative array
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*
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* @return string
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* HTML text with the footer
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*
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* @ingroup themeable
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* @ingroup print_themeable
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*/
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function theme_print_footer($vars) {
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$footer = '';
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switch (variable_get('print_footer_options', PRINT_FOOTER_OPTIONS_DEFAULT)) {
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case 1: // theme's
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$footer_blocks = block_get_blocks_by_region('footer');
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$footer = variable_get('site_footer', FALSE) . "\n" . drupal_render($footer_blocks);
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break;
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case 2: // user-specifed
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$footer = variable_get('print_footer_user', PRINT_FOOTER_USER_DEFAULT);
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break;
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}
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// Delete the contextual links
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$footer = preg_replace('!\s*<div class="contextual-links-wrapper">.*?</div>!sim', '', $footer);
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return filter_xss_admin($footer);
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}
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/**
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* Returns HTML for the source URL line of the print template.
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*
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* @param array $vars
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* An associative array containing:
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* - $url: the URL to the full node view.
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* - $node: the node object.
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* - $cid; comment ID of the comment to display.
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*
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* @return string
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* HTML text with the footer
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*
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* @ingroup themeable
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* @ingroup print_themeable
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*/
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function theme_print_sourceurl($vars) {
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$sourceurl_date = variable_get('print_sourceurl_date', PRINT_SOURCEURL_DATE_DEFAULT);
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$url = is_int($vars['cid']) ? $vars['url'] . '#comment-' . $vars['cid'] : $vars['url'];
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$output = '<strong>' . t('Source URL');
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if ($sourceurl_date && isset($vars['node'])) {
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$output .= ' (';
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$date = format_date($vars['node']->changed, 'short');
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$output .= empty($vars['node']->nid) ? t('retrieved on !date', array('!date' => $date)) : t('modified on !date', array('!date' => $date));
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$output .= ')';
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}
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$output .= ':</strong> ' . $url;
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return $output;
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}
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/**
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* Returns HTML for the URL list of the print template.
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*
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* @param array $vars
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* An empty associative array
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*
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* @return string
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* HTML text with the URL list
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*
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* @ingroup themeable
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* @ingroup print_themeable
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*/
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function theme_print_url_list($vars) {
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global $_print_urls;
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// Display the collected links at the bottom of the page. Code once taken from Kjartan Mannes' project.module
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if (!empty($_print_urls)) {
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$urls = _print_friendly_urls();
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$max = count($urls);
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$url_list = '';
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foreach ($urls as $key => $url) {
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drupal_alter('print_url_list', $url);
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$url_list .= '[' . ($key + 1) . '] ' . check_plain($url) . "<br />\n";
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}
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if (!empty($url_list)) {
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return "<p><strong>" . t('Links') . "</strong><br />$url_list</p>";
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}
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else {
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return '';
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}
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}
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}
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/**
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* Generates a robots meta tag to tell them what they may index
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*
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* @return string
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* meta robots tag
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*/
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function _print_robots_meta_generator() {
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$robots_meta = array();
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if (variable_get('print_robots_noindex', PRINT_ROBOTS_NOINDEX_DEFAULT)) {
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$robots_meta[] = 'noindex';
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}
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if (variable_get('print_robots_nofollow', PRINT_ROBOTS_NOFOLLOW_DEFAULT)) {
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$robots_meta[] = 'nofollow';
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}
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if (variable_get('print_robots_noarchive', PRINT_ROBOTS_NOARCHIVE_DEFAULT)) {
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$robots_meta[] = 'noarchive';
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}
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if (count($robots_meta) > 0) {
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return '<meta name="robots" content=' . implode(', ', $robots_meta) . ' />';
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}
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else {
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return '';
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}
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}
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/**
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* Generates the CSS directive to include in the printer-friendly version
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*
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* @param bool $expand
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* If TRUE, the provided CSS will be expanded, instead of given as a list
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* of includes.
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*
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* @return string
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* applicable CSS
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*/
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function _print_css_generator($expand = FALSE) {
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$print_css = variable_get('print_css', PRINT_CSS_DEFAULT);
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if (!empty($print_css)) {
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drupal_add_css(strtr($print_css, array('%t' => drupal_get_path('theme', variable_get('theme_default')))));
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}
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else {
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drupal_add_css(drupal_get_path('module', 'print') . '/css/print.css');
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}
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$drupal_css = drupal_add_css();
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if (!variable_get('print_keep_theme_css', PRINT_KEEP_THEME_CSS_DEFAULT)) {
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foreach ($drupal_css as $key => $css_file) {
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if ($css_file['group'] == CSS_THEME) {
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// Unset the theme's CSS
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unset($drupal_css[$key]);
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}
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}
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}
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// Expand the CSS if requested
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if ($expand) {
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$style = '';
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$css_files = array_keys($drupal_css);
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foreach ($css_files as $filename) {
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if (file_exists($filename)) {
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$style .= file_get_contents($filename, TRUE);
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}
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}
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return "<style type='text/css' media='all'>$style</style>\n";
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}
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else {
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return drupal_get_css($drupal_css);
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}
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}
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/**
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* Callback function for the preg_replace_callback for URL-capable patterns
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*
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* Manipulate URLs to make them absolute in the URLs list, and add a [n]
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* footnote marker.
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*
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* @param array $matches
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* array with the matched tag patterns, usually <a...>+text+</a>
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*
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* @return string
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* tag with re-written URL and, if applicable, the [n] index to the URL list
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*/
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function _print_rewrite_urls($matches) {
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global $base_url, $base_root, $_print_urls;
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$include_anchors = variable_get('print_urls_anchors', PRINT_URLS_ANCHORS_DEFAULT);
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// first, split the html into the different tag attributes
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$pattern = '!\s*(\w+\s*=\s*"(?:\\\"|[^"])*")\s*|\s*(\w+\s*=\s*\'(?:\\\\\'|[^\'])*\')\s*|\s*(\w+\s*=\s*\w+)\s*|\s+!';
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$attribs = preg_split($pattern, $matches[1], -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
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foreach ($attribs as $key => $value) {
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$attribs[$key] = preg_replace('!(\w)\s*=\s*(.*)!', '$1=$2', $value);
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}
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$size = count($attribs);
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for ($i=1; $i < $size; $i++) {
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// If the attribute is href or src, we may need to rewrite the URL in the value
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if (preg_match('!^(?:href|src)\s*?=(.*)!i', $attribs[$i], $urls) > 0) {
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$url = trim($urls[1], " \t\n\r\0\x0B\"'");
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if (empty($url)) {
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// If URL is empty, use current_url
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$path = explode('/', $_GET['q']);
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unset($path[0]);
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$path = implode('/', $path);
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if (ctype_digit($path)) {
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$path = "node/$path";
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}
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// Printer-friendly URLs is on, so we need to make it absolute
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$newurl = url($path, array('fragment' => drupal_substr($url, 1), 'absolute' => TRUE));
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}
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elseif (strpos(html_entity_decode($url), '://') || preg_match('!^mailto:.*?@.*?\..*?$!iu', html_entity_decode($url))) {
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// URL is absolute, do nothing
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$newurl = $url;
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}
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elseif (strpos(html_entity_decode($url), '//') === 0) {
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// URL is 'almost absolute', but it does not contain protocol; replace with base_path protocol
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$newurl = (empty($_SERVER['HTTPS']) ? 'http' : 'https') . ":" . $url;
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$matches[1] = str_replace($url, $newurl, $matches[1]);
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}
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else {
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if ($url[0] == '#') {
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// URL is an anchor tag
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if ($include_anchors && (!empty($_print_urls))) {
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$path = explode('/', $_GET['q']);
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unset($path[0]);
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$path = implode('/', $path);
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if (ctype_digit($path)) {
|
|
$path = "node/$path";
|
|
}
|
|
// Printer-friendly URLs is on, so we need to make it absolute
|
|
$newurl = url($path, array('fragment' => drupal_substr($url, 1), 'absolute' => TRUE));
|
|
}
|
|
// Because base href is the original page, change the link to
|
|
// still be usable inside the print page
|
|
$matches[1] = str_replace($url, check_plain(base_path() . $_GET['q'] . $url), $matches[1]);
|
|
}
|
|
else {
|
|
// URL is relative, convert it into absolute URL
|
|
if ($url[0] == '/') {
|
|
// If it starts with '/' just append it to the server name
|
|
$newurl = $base_root . '/' . trim($url, '/');
|
|
}
|
|
elseif (preg_match('!^(?:index.php)?\?q=!i', $url)) {
|
|
// If it starts with ?q=, just prepend with the base URL
|
|
$newurl = $base_url . '/' . trim($url, '/');
|
|
}
|
|
else {
|
|
$newurl = url(trim($url, '/'), array('absolute' => TRUE));
|
|
}
|
|
$matches[1] = str_replace($url, $newurl, $matches[1]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$ret = '<' . $matches[1] . '>';
|
|
if (count($matches) == 4) {
|
|
$ret .= $matches[2] . $matches[3];
|
|
if ((!empty($_print_urls)) && (isset($newurl))) {
|
|
$ret .= ' <span class="print-footnote">[' . _print_friendly_urls(trim($newurl)) . ']</span>';
|
|
}
|
|
}
|
|
|
|
return filter_xss_admin($ret);
|
|
}
|
|
|
|
/**
|
|
* Auxiliary function to store the Printer-friendly URLs list as static.
|
|
*
|
|
* @param string $url
|
|
* absolute URL to be inserted in the list
|
|
*
|
|
* @return array
|
|
* list of URLs previously stored if $url is 0, or the current count
|
|
* otherwise.
|
|
*/
|
|
function _print_friendly_urls($url = 0) {
|
|
static $urls = array();
|
|
if ($url !== 0) {
|
|
$url_idx = array_search($url, $urls);
|
|
if ($url_idx !== FALSE) {
|
|
return ($url_idx + 1);
|
|
}
|
|
else {
|
|
$urls[] = $url;
|
|
return count($urls);
|
|
}
|
|
}
|
|
$ret = $urls;
|
|
$urls = array();
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Check URL list settings for this node
|
|
*
|
|
* @param object $node
|
|
* node object
|
|
* @param string $format
|
|
* format of the page being generated
|
|
*
|
|
* @return bool
|
|
* TRUE if URL list should be displayed, FALSE otherwise
|
|
*/
|
|
function _print_url_list_enabled($node, $format) {
|
|
if (!isset($node->type)) {
|
|
$node_urllist = variable_get('print_' . $format . '_display_sys_urllist', PRINT_TYPE_SYS_URLLIST_DEFAULT);
|
|
}
|
|
else {
|
|
$node_urllist = isset($node->{'print_' . $format . '_display_urllist'}) ? $node->{'print_' . $format . '_display_urllist'} : variable_get('print_' . $format . '_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
|
}
|
|
|
|
// Get value of Printer-friendly URLs setting
|
|
return (variable_get('print_urls', PRINT_URLS_DEFAULT) && ($node_urllist));
|
|
}
|
|
|
|
/**
|
|
* Prepare a Printer-friendly-ready node body for content nodes
|
|
*
|
|
* @param int $nid
|
|
* node ID of the node to be rendered into a printer-friendly page
|
|
* @param string $format
|
|
* format of the page being generated
|
|
* @param int $vid
|
|
* (optional) revision ID of the node to use
|
|
* @param int $cid
|
|
* (optional) comment ID of the individual comment to be rendered
|
|
* @param string $view_mode
|
|
* (optional) view mode to be used when rendering the content
|
|
*
|
|
* @return object
|
|
* filled node-like object to be used in the print template
|
|
*/
|
|
function _print_generate_node($nid, $format, $vid = NULL, $cid = NULL, $view_mode = PRINT_VIEW_MODE) {
|
|
global $_print_urls;
|
|
|
|
if (!isset($langcode)) {
|
|
$langcode = $GLOBALS['language_content']->language;
|
|
}
|
|
|
|
// We can take a node id
|
|
$node = node_load($nid, $vid);
|
|
if (!$node) {
|
|
// Node not found
|
|
drupal_not_found();
|
|
return FALSE;
|
|
}
|
|
elseif (!node_access('view', $node)) {
|
|
// Access is denied
|
|
drupal_access_denied();
|
|
return FALSE;
|
|
}
|
|
drupal_set_title($node->title);
|
|
|
|
if ($cid === NULL) {
|
|
// Adapted (simplified) version of node_view
|
|
// Render the node content
|
|
node_build_content($node, $view_mode);
|
|
|
|
// Disable the links area
|
|
unset($node->content['links']);
|
|
|
|
$build = $node->content;
|
|
unset($node->content);
|
|
}
|
|
|
|
if (function_exists('comment_node_page_additions') &&
|
|
(($cid != NULL) || (variable_get('print_comments', PRINT_COMMENTS_DEFAULT)))) {
|
|
// Print only the requested comment (or if $cid is NULL, all of them)
|
|
|
|
$comments = comment_node_page_additions($node);
|
|
if (!empty($comments)) {
|
|
unset($comments['comment_form']);
|
|
foreach ($comments['comments'] as $key => &$comment) {
|
|
if (is_numeric($key)) {
|
|
if (($cid != NULL) && ($key != $cid)) {
|
|
unset($comments['comments'][$key]);
|
|
}
|
|
else {
|
|
unset($comment['links']);
|
|
}
|
|
}
|
|
}
|
|
|
|
$build['comments'] = $comments;
|
|
}
|
|
}
|
|
|
|
$build += array(
|
|
'#theme' => 'node',
|
|
'#node' => $node,
|
|
'#view_mode' => $view_mode,
|
|
'#language' => $langcode,
|
|
'#print_format' => $format,
|
|
);
|
|
|
|
$type = 'node';
|
|
drupal_alter(array('node_view', 'entity_view'), $build, $type);
|
|
|
|
$content = render($build);
|
|
|
|
// Get rid of any links before the content
|
|
$parts = explode('<div class="content', $content, 2);
|
|
if (count($parts) == 2) {
|
|
$pattern = '!(.*?)<a [^>]*?>(.*?)</a>(.*?)!mis';
|
|
$parts[0] = preg_replace($pattern, '$1$2$3', $parts[0]);
|
|
$content = implode('<div class="content', $parts);
|
|
}
|
|
|
|
// Check URL list settings
|
|
$_print_urls = _print_url_list_enabled($node, $format);
|
|
|
|
// Convert the a href elements
|
|
$pattern = '!<(a\s[^>]*?)>(.*?)(</a>)!is';
|
|
$content = preg_replace_callback($pattern, '_print_rewrite_urls', $content);
|
|
|
|
$node->content = $content;
|
|
|
|
return $node;
|
|
}
|
|
|
|
/**
|
|
* Prepare a Printer-friendly-ready node body for non-content pages
|
|
*
|
|
* @param string $path
|
|
* path of the node to be rendered into a printer-friendly page
|
|
* @param string $format
|
|
* format of the page being generated
|
|
*
|
|
* @return object
|
|
* filled node-like object to be used in the print template
|
|
*/
|
|
function _print_generate_path($path, $format) {
|
|
global $_print_urls;
|
|
|
|
// Handle node tabs
|
|
$parts = explode('/', $path);
|
|
if (ctype_digit($parts[0]) && (count($parts) > 1)) {
|
|
$path = 'node/' . $path;
|
|
}
|
|
|
|
$path = drupal_get_normal_path($path);
|
|
|
|
menu_set_active_item($path);
|
|
// Adapted from index.php.
|
|
$node = new stdClass();
|
|
$node->content = menu_execute_active_handler($path, FALSE);
|
|
if (is_array($node->content)) {
|
|
$node->content = drupal_render($node->content);
|
|
}
|
|
|
|
if (is_int($node->content)) {
|
|
switch ($node->content) {
|
|
case MENU_NOT_FOUND:
|
|
drupal_not_found();
|
|
return FALSE;
|
|
break;
|
|
case MENU_ACCESS_DENIED:
|
|
drupal_access_denied();
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$node->title = drupal_get_title();
|
|
$node->path = $path;
|
|
$node->changed = REQUEST_TIME;
|
|
|
|
// Delete any links area
|
|
$node->content = preg_replace('!\s*<div class="links">.*?</div>!sim', '', $node->content);
|
|
|
|
// Delete the contextual links also
|
|
$node->content = preg_replace('!\s*<div class="contextual-links-wrapper">.*?</div>!sim', '', $node->content);
|
|
|
|
// Check URL list settings
|
|
$_print_urls = _print_url_list_enabled($node, $format);
|
|
|
|
// Convert the a href elements
|
|
$pattern = '!<(a\s[^>]*?)>(.*?)(</a>)!is';
|
|
$node->content = preg_replace_callback($pattern, '_print_rewrite_urls', $node->content);
|
|
|
|
return $node;
|
|
}
|
|
|
|
|
|
/**
|
|
* Prepare a Printer-friendly-ready node body for book pages
|
|
*
|
|
* @param int $nid
|
|
* node ID of the node to be rendered into a printer-friendly page
|
|
* @param string $format
|
|
* format of the page being generated
|
|
*
|
|
* @return object
|
|
* filled node-like object to be used in the print template
|
|
*/
|
|
function _print_generate_book($nid, $format) {
|
|
global $_print_urls;
|
|
|
|
$node = node_load($nid);
|
|
if (!$node) {
|
|
// Node not found
|
|
drupal_not_found();
|
|
return FALSE;
|
|
}
|
|
elseif (!node_access('view', $node) || (!user_access('access printer-friendly version'))) {
|
|
// Access is denied
|
|
drupal_access_denied();
|
|
return FALSE;
|
|
}
|
|
|
|
$tree = book_menu_subtree_data($node->book);
|
|
$node->content = book_export_traverse($tree, 'book_node_export');
|
|
|
|
// Check URL list settings
|
|
$_print_urls = _print_url_list_enabled($node, $format);
|
|
|
|
// Convert the a href elements
|
|
$pattern = '!<(a\s[^>]*?)>(.*?)(</a>)!is';
|
|
$node->content = preg_replace_callback($pattern, '_print_rewrite_urls', $node->content);
|
|
|
|
return $node;
|
|
}
|