$print, 'type' => PRINT_HTML_FORMAT, 'node' => $node));
drupal_add_http_header('Content-Type', 'text/html; charset=utf-8');
drupal_send_headers();
print $html;
$nodepath = (isset($node->path) && is_string($node->path)) ? drupal_get_normal_path($node->path) : 'node/' . $path;
db_merge('print_page_counter')
->key(array('path' => $nodepath))
->fields(array(
'totalcount' => 1,
'timestamp' => REQUEST_TIME,
))
->expression('totalcount', 'totalcount + 1')
->execute();
}
}
/**
* Select the print generator function based on the page type
*
* Depending on the type of node, this functions chooses the appropriate
* generator function.
*
* @param $path
* path of the original page
* @param array $query
* (optional) array of key/value pairs as used in the url() function for the
* query
* @param $cid
* comment ID of the individual comment to be rendered
* @param $format
* format of the page being generated
* @param $teaser
* if set to TRUE, outputs only the node's teaser
* @param $message
* optional sender's message (used by the send email module)
* @return
* array with the fields to be used in the template
* @see _print_generate_node()
* @see _print_generate_path()
* @see _print_generate_book()
*/
function print_controller($path, $query = NULL, $cid = NULL, $format = PRINT_HTML_FORMAT, $teaser = FALSE, $message = NULL) {
if (empty($path)) {
// If no path was provided, let's try to generate a page for the referer
global $base_url;
$ref = $_SERVER['HTTP_REFERER'];
$path = preg_replace("!^$base_url/!", '', $ref);
if (($path === $ref) || empty($path)) {
$path = variable_get('site_frontpage', 'node');
}
}
if ($alias = drupal_lookup_path('source', $path)) {
// Indirect call with print/alias
// If there is a path alias with these arguments, generate a printer-friendly version for it
$path = $alias;
}
$parts = explode('/', $path);
if (($parts[0] == 'node') && (count($parts) > 1) && ctype_digit($parts[1])) {
array_shift($parts);
$path = implode('/', $parts);
}
if (ctype_digit($parts[0]) && (count($parts) == 1)) {
$print = _print_generate_node($path, $query, $cid, $format, $teaser, $message);
}
else {
$ret = preg_match('!^book/export/html/(.*)!i', $path, $matches);
if ($ret == 1) {
// This is a book PF page link, handle trough the book handling functions
$print = _print_generate_book($matches[1], $query, $format, $teaser, $message);
}
else {
// If no content node was found, handle the page printing with the 'printable' engine
$print = _print_generate_path($path, $query, $format, $teaser, $message);
}
}
return $print;
}
/**
* Generates a robots meta tag to tell them what they may index
*
* @return
* string with the meta robots tag
*/
function _print_robots_meta_generator() {
$print_robots_noindex = variable_get('print_robots_noindex', PRINT_ROBOTS_NOINDEX_DEFAULT);
$print_robots_nofollow = variable_get('print_robots_nofollow', PRINT_ROBOTS_NOFOLLOW_DEFAULT);
$print_robots_noarchive = variable_get('print_robots_noarchive', PRINT_ROBOTS_NOARCHIVE_DEFAULT);
$robots_meta = array();
if (!empty($print_robots_noindex)) {
$robots_meta[] = 'noindex';
}
if (!empty($print_robots_nofollow)) {
$robots_meta[] = 'nofollow';
}
if (!empty($print_robots_noarchive)) {
$robots_meta[] = 'noarchive';
}
if (count($robots_meta) > 0) {
$robots_meta = implode(', ', $robots_meta);
$robots_meta = "\n";
}
else {
$robots_meta = '';
}
return $robots_meta;
}
/**
* Post-processor that fills the array for the template with common details
*
* @param $node
* generated node with a printer-friendly node body
* @param array $query
* (optional) array of key/value pairs as used in the url() function for the
* query
* @param $message
* optional sender's message (used by the send email module)
* @param $cid
* id of current comment being generated (NULL when not generating
* an individual comment)
* @return
* array with the fields to be used in the template
*/
function _print_var_generator($node, $query = NULL, $message = NULL, $cid = NULL) {
global $base_url, $language, $_print_urls;
$path = empty($node->nid) ? $node->path : "node/$node->nid";
// print module settings
$print_css = variable_get('print_css', PRINT_CSS_DEFAULT);
$print_keep_theme_css = variable_get('print_keep_theme_css', PRINT_KEEP_THEME_CSS_DEFAULT);
$print_logo_options = variable_get('print_logo_options', PRINT_LOGO_OPTIONS_DEFAULT);
$print_logo_url = variable_get('print_logo_url', PRINT_LOGO_URL_DEFAULT);
$print_html_new_window = variable_get('print_html_new_window', PRINT_HTML_NEW_WINDOW_DEFAULT);
$print_html_sendtoprinter = variable_get('print_html_sendtoprinter', PRINT_HTML_SENDTOPRINTER_DEFAULT);
$print_html_windowclose = variable_get('print_html_windowclose', PRINT_HTML_WINDOWCLOSE_DEFAULT);
$print_sourceurl_enabled = variable_get('print_sourceurl_enabled', PRINT_SOURCEURL_ENABLED_DEFAULT);
$print_sourceurl_forcenode = variable_get('print_sourceurl_forcenode', PRINT_SOURCEURL_FORCENODE_DEFAULT);
$print_sourceurl_date = variable_get('print_sourceurl_date', PRINT_SOURCEURL_DATE_DEFAULT);
$print_footer_options = variable_get('print_footer_options', PRINT_FOOTER_OPTIONS_DEFAULT);
$print_footer_user = variable_get('print_footer_user', PRINT_FOOTER_USER_DEFAULT);
$print['language'] = $language->language;
$print['title'] = check_plain($node->title);
$print['head'] = drupal_get_html_head();
if ($print_html_sendtoprinter) {
drupal_add_js('misc/drupal.js', array('weight' => JS_LIBRARY));
}
$print['scripts'] = drupal_get_js();
$print['footer_scripts'] = drupal_get_js('footer');
$print['robots_meta'] = _print_robots_meta_generator();
$print['url'] = url($path, array('absolute' => TRUE, 'query' => $query));
$print['base_href'] = "\n";
$print['favicon'] = theme_get_setting('toggle_favicon') ? "\n" : '';
if (!empty($print_css)) {
drupal_add_css(strtr($print_css, array('%t' => path_to_theme())));
}
else {
drupal_add_css(drupal_get_path('module', 'print') . '/css/print.css');
}
$drupal_css = drupal_add_css();
if (!$print_keep_theme_css) {
foreach ($drupal_css as $key => $css_file) {
if ($css_file['group'] == CSS_THEME) {
// Unset the theme's CSS
unset($drupal_css[$key]);
}
}
}
// If we are sending a message via email, the CSS must be embedded
if (!empty($message)) {
$style = '';
$css_files = array_keys($drupal_css);
foreach ($css_files as $filename) {
$res = file_exists($filename) ? file_get_contents($filename, TRUE) : FALSE;
if ($res != FALSE) {
$style .= $res;
}
}
$print['css'] = "\n";
}
else {
$print['css'] = drupal_get_css($drupal_css);
}
$window_close = ($print_html_new_window && $print_html_windowclose) ? 'window.close();' : '';
$print['sendtoprinter'] = $print_html_sendtoprinter ? '' : '';
switch ($print_logo_options) {
case 0: // none
$logo_url = 0;
break;
case 1: // theme's
$logo_url = theme_get_setting('logo');
break;
case 2: // user-specifed
$logo_url = strip_tags($print_logo_url);
break;
}
$logo_url = preg_replace('!^' . base_path() . '!', '', $logo_url);
$site_name = variable_get('site_name', 'Drupal');
$print['logo'] = $logo_url ? theme('image', array('path' => $logo_url, 'alt' => $site_name, 'attributes' => array('class' => 'print-logo', 'id' => 'logo'))) : '';
switch ($print_footer_options) {
case 0: // none
$footer = '';
break;
case 1: // theme's
$footer_blocks = block_get_blocks_by_region('footer');
$footer = variable_get('site_footer', FALSE) . "\n" . drupal_render($footer_blocks);
break;
case 2: // user-specifed
$footer = $print_footer_user;
break;
}
$print['footer_message'] = filter_xss_admin($footer);
$published_site = variable_get('site_name', 0);
if ($published_site) {
$print_text_published = filter_xss(variable_get('print_text_published', t('Published on %site_name')));
$published = t($print_text_published, array('%site_name' => $published_site));
$print['site_name'] = $published . ' (' . l($base_url, $base_url) . ')';
}
else {
$print['site_name'] = '';
}
if ($print_sourceurl_enabled == 1) {
/* Grab and format the src URL */
if (empty($print_sourceurl_forcenode)) {
$url = $print['url'];
}
else {
$url = $base_url . '/' . (((bool)variable_get('clean_url', '0')) ? '' : '?q=') . $path;
}
if (is_int($cid)) {
$url .= "#comment-$cid";
}
$retrieved_date = format_date(REQUEST_TIME, 'short');
$print_text_retrieved = filter_xss(variable_get('print_text_retrieved', t('retrieved on %date')));
$retrieved = t($print_text_retrieved, array('%date' => $retrieved_date));
$print['printdate'] = $print_sourceurl_date ? " ($retrieved)" : '';
$source_url = filter_xss(variable_get('print_text_source_url', t('Source URL')));
$print['source_url'] = '' . $source_url . $print['printdate'] . ': ' . l($url, $url);
}
else {
$print['source_url'] = '';
}
$print['type'] = (isset($node->type)) ? $node->type : '';
menu_set_active_item($path);
$breadcrumb = drupal_get_breadcrumb();
if (!empty($breadcrumb)) {
$breadcrumb[] = menu_get_active_title();
$print['breadcrumb'] = filter_xss(implode(' > ', $breadcrumb));
}
else {
$print['breadcrumb'] = '';
}
// Display the collected links at the bottom of the page. Code once taken from Kjartan Mannes' project.module
$print['pfp_links'] = '';
if (!empty($_print_urls)) {
$urls = _print_friendly_urls();
$max = count($urls);
$pfp_links = '';
if ($max) {
for ($i = 0; $i < $max; $i++) {
$pfp_links .= '[' . ($i + 1) . '] ' . check_plain($urls[$i]) . " \n";
}
$links = filter_xss(variable_get('print_text_links', t('Links')));
$print['pfp_links'] = "
$links: $pfp_links
";
}
}
$print['node'] = $node;
$print['message'] = $message;
return $print;
}
/**
* Callback function for the preg_replace_callback for URL-capable patterns
*
* Manipulate URLs to make them absolute in the URLs list, and to add a
* [n] footnote marker.
*
* @param $matches
* array with the matched tag patterns, usually +text+
* @return
* tag with re-written URL and when appropriate the [n] index to the
* URL list
*/
function _print_rewrite_urls($matches) {
global $base_url, $base_root, $_print_urls;
$include_anchors = variable_get('print_urls_anchors', PRINT_URLS_ANCHORS_DEFAULT);
// first, split the html into the different tag attributes
$pattern = '!\s*(\w+\s*=\s*"(?:\\\"|[^"])*")\s*|\s*(\w+\s*=\s*\'(?:\\\\\'|[^\'])*\')\s*|\s*(\w+\s*=\s*\w+)\s*|\s+!';
$attribs = preg_split($pattern, $matches[1], -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
foreach ($attribs as $key => $value) {
$attribs[$key] = preg_replace('!(\w)\s*=\s*(.*)!', '$1=$2', $value);
}
$size = count($attribs);
for ($i=1; $i < $size; $i++) {
// If the attribute is href or src, we may need to rewrite the URL in the value
if (preg_match('!^(?:href|src)\s*?=(.*)!i', $attribs[$i], $urls) > 0) {
$url = trim($urls[1], " \t\n\r\0\x0B\"'");
if (empty($url)) {
// If URL is empty, use current_url
$path = explode('/', $_GET['q']);
unset($path[0]);
$path = implode('/', $path);
if (ctype_digit($path)) {
$path = "node/$path";
}
// Printer-friendly URLs is on, so we need to make it absolute
$newurl = url($path, array('fragment' => drupal_substr($url, 1), 'absolute' => TRUE));
}
elseif (strpos(html_entity_decode($url), '://') || preg_match('!^mailto:.*?@.*?\..*?$!iu', html_entity_decode($url))) {
// URL is absolute, do nothing
$newurl = $url;
}
elseif (strpos(html_entity_decode($url), '//') === 0) {
// URL is 'almost absolute', but it does not contain protocol; replace with base_path protocol
$newurl = (empty($_SERVER['HTTPS']) ? 'http' : 'https') . ":" . $url;
$matches[1] = str_replace($url, $newurl, $matches[1]);
}
else {
if ($url[0] == '#') {
// URL is an anchor tag
if ($include_anchors && (!empty($_print_urls))) {
$path = explode('/', $_GET['q']);
unset($path[0]);
$path = implode('/', $path);
if (ctype_digit($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, 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))) {
$ret .= ' [' . _print_friendly_urls(trim($newurl)) . ']';
}
}
return $ret;
}
/**
* Auxiliary function to store the Printer-friendly URLs list as static.
*
* @param $url
* absolute URL to be inserted in the list
* @return
* 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 node
* node object
* @param $format
* format of the page being generated
* @return
* TRUE if URL list should be displayed, FALSE otherwise
*/
function _print_url_list_enabled($node, $format = PRINT_HTML_FORMAT) {
if (!isset($node->type)) {
switch ($format) {
case PRINT_HTML_FORMAT:
$node_urllist = variable_get('print_display_sys_urllist', PRINT_TYPE_SYS_URLLIST_DEFAULT);
break;
case PRINT_MAIL_FORMAT:
$node_urllist = variable_get('print_mail_display_sys_urllist', PRINT_TYPE_SYS_URLLIST_DEFAULT);
break;
case PRINT_PDF_FORMAT:
$node_urllist = variable_get('print_pdf_display_sys_urllist', PRINT_TYPE_SYS_URLLIST_DEFAULT);
break;
default:
$node_urllist = PRINT_TYPE_SYS_URLLIST_DEFAULT;
}
}
else {
switch ($format) {
case PRINT_HTML_FORMAT:
$node_urllist = isset($node->print_display_urllist) ? $node->print_display_urllist : variable_get('print_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
break;
case PRINT_MAIL_FORMAT:
$node_urllist = isset($node->print_mail_display_urllist) ? $node->print_mail_display_urllist : variable_get('print_mail_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
break;
case PRINT_PDF_FORMAT:
$node_urllist = isset($node->print_pdf_display_urllist) ? $node->print_pdf_display_urllist : variable_get('print_pdf_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
break;
default:
$node_urllist = PRINT_TYPE_URLLIST_DEFAULT;
}
}
// Get value of Printer-friendly URLs setting
return (variable_get('print_urls', PRINT_URLS_DEFAULT) && ($node_urllist));
}
/**
* Prepare a Printer-friendly-ready node body for content nodes
*
* @param $nid
* node ID of the node to be rendered into a printer-friendly page
* @param array $query
* (optional) array of key/value pairs as used in the url() function for the
* query
* @param $cid
* comment ID of the individual comment to be rendered
* @param $format
* format of the page being generated
* @param $teaser
* if set to TRUE, outputs only the node's teaser
* @param $message
* optional sender's message (used by the send email module)
* @return
* filled array ready to be used in the template
*/
function _print_generate_node($nid, $query = NULL, $cid = NULL, $format = PRINT_HTML_FORMAT, $teaser = FALSE, $message = NULL) {
global $_print_urls;
if (!isset($langcode)) {
$langcode = $GLOBALS['language_content']->language;
}
// We can take a node id
$node = node_load($nid);
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);
$view_mode = $teaser ? 'teaser' : 'print';
// Turn off Pagination by the Paging module
unset($node->pages);
unset($node->page_count);
// Make this page a member of the original page's organic group
if (function_exists('og_set_group_context') && isset($node->og_groups)) {
og_set_group_context($node->og_groups);
}
if ($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']);
// Disable fivestar widget output
unset($node->content['fivestar_widget']);
// Disable service links module output
unset($node->content['service_links']);
$build = $node->content;
unset($node->content);
}
$print_comments = variable_get('print_comments', PRINT_COMMENTS_DEFAULT);
if (function_exists('comment_node_page_additions') && (($cid != NULL) || ($print_comments))) {
// 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('
]*?)>(.*?)()!is';
$content = preg_replace_callback($pattern, '_print_rewrite_urls', $content);
$print = _print_var_generator($node, $query, $message, $cid);
$print['content'] = $content;
return $print;
}
/**
* Prepare a Printer-friendly-ready node body for non-content pages
*
* @param $path
* path of the node to be rendered into a printer-friendly page
* @param array $query
* (optional) array of key/value pairs as used in the url() function for the
* query
* @param $format
* format of the page being generated
* @param $teaser
* if set to TRUE, outputs only the node's teaser
* @param $message
* optional sender's message (used by the send email module)
* @return
* filled array ready to be used in the template
*/
function _print_generate_path($path, $query = NULL, $format = PRINT_HTML_FORMAT, $teaser = FALSE, $message = NULL) {
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();
$node->body = menu_execute_active_handler($path, FALSE);
if (is_array($node->body)) {
$node->body = drupal_render($node->body);
}
if (is_int($node->body)) {
switch ($node->body) {
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 = 0;
// Delete any links area
$node->body = preg_replace('!\s*
.*?
!sim', '', $node->body);
// Check URL list settings
$_print_urls = _print_url_list_enabled($node, $format);
// Convert the a href elements
$pattern = '!<(a\s[^>]*?)>(.*?)()!is';
$node->body = preg_replace_callback($pattern, '_print_rewrite_urls', $node->body);
$print = _print_var_generator($node, $query, $message);
$print['content'] = $node->body;
return $print;
}
/**
* Prepare a Printer-friendly-ready node body for book pages
*
* @param $nid
* node ID of the node to be rendered into a printer-friendly page
* @param array $query
* (optional) array of key/value pairs as used in the url() function for the
* query
* @param $format
* format of the page being generated
* @param $teaser
* if set to TRUE, outputs only the node's teaser
* @param $message
* optional sender's message (used by the send email module)
* @return
* filled array ready to be used in the template
*/
function _print_generate_book($nid, $query = NULL, $format = PRINT_HTML_FORMAT, $teaser = FALSE, $message = NULL) {
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);
$node->body = book_export_traverse($tree, 'book_node_export');
// Check URL list settings
$_print_urls = _print_url_list_enabled($node, $format);
// Convert the a href elements
$pattern = '!<(a\s[^>]*?)>(.*?)()!is';
$node->body = preg_replace_callback($pattern, '_print_rewrite_urls', $node->body);
$print = _print_var_generator($node, $query, $message);
$print['content'] = $node->body;
// The title is already displayed by the book_recurse, so avoid duplication
$print['title'] = '';
return $print;
}