$node, 'query' => $query, 'format' => $link['format'])); drupal_add_http_header('Content-Type', 'text/html; charset=utf-8'); drupal_send_headers(); print $html; $nodepath = (isset($node->nid)) ? 'node/' . $node->nid : drupal_get_normal_path($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 string $path * path of the original page * @param string $format * format of the page being generated * @param int $cid * comment ID of the individual comment to be rendered * @param string $view_mode * (optional) view mode to be used when rendering the content * * @return object * node-like object to be used in the print template * * @see _print_generate_node() * @see _print_generate_path() * @see _print_generate_book() * @see print_preprocess_print() */ function print_controller($path, $format, $cid = NULL, $view_mode = PRINT_VIEW_MODE) { if (empty($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); } $revision_view = preg_match('!^[\d]*/revisions/[\d]*/view$!', $path); if (ctype_digit($parts[0]) && ((count($parts) == 1) || $revision_view)) { $vid = $revision_view ? $parts[2] : NULL; $node = _print_generate_node($path, $format, $vid, $cid, $view_mode); } 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 $node = _print_generate_book($matches[1], $format); } else { // If no content node was found, handle the page printing with the 'printable' engine $node = _print_generate_path($path, $format); } } return $node; } /** * Implements hook_preprocess_HOOK(). */ function print_preprocess_print(&$variables) { global $language; $node = $variables['node']; $format = $variables['format']; $path = drupal_get_path_alias(empty($node->nid) ? $node->path : "node/$node->nid"); static $hooks = NULL; if (!isset($hooks)) { drupal_theme_initialize(); $hooks = theme_get_registry(); } $variables['page']['#show_messages'] = FALSE; // Stolen from theme() so that ALL preprocess functions are called $hook = 'page'; $info = $hooks[$hook]; if (isset($info['preprocess functions']) || isset($info['process functions'])) { $variables['theme_hook_suggestions'] = array(); foreach (array('preprocess functions', 'process functions') as $phase) { if (!empty($info[$phase])) { foreach ($info[$phase] as $processor_function) { if (function_exists($processor_function)) { // We don't want a poorly behaved process function changing $hook. $hook_clone = $hook; $processor_function($variables, $hook_clone); } } } } } $logo_url = FALSE; switch (variable_get('print_logo_options', PRINT_LOGO_OPTIONS_DEFAULT)) { case 1: // theme's $logo_url = theme_get_setting('logo'); break; case 2: // user-specifed $logo_url = strip_tags(variable_get('print_logo_url', PRINT_LOGO_URL_DEFAULT)); break; } $logo_url = preg_replace('!^' . base_path() . '!', '', $logo_url); $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; $variables['print_node'] = $node; $variables['content'] = $node->content; $variables['scripts'] = drupal_get_js(); $variables['footer_scripts'] = drupal_get_js('footer'); $variables['sourceurl_enabled'] = variable_get('print_sourceurl_enabled', PRINT_SOURCEURL_ENABLED_DEFAULT); $variables['url'] = url($path, array('absolute' => TRUE, 'query' => $variables['query'])); $variables['source_url'] = url(variable_get('print_sourceurl_forcenode', PRINT_SOURCEURL_FORCENODE_DEFAULT) ? drupal_get_normal_path($path) : $path, array('alias' => TRUE, 'absolute' => TRUE, 'query' => $variables['query'])); $variables['cid'] = isset($node->cid) ? $node->cid : NULL; $variables['print_title'] = check_plain($node->title); $variables['head'] = drupal_get_html_head(); $variables['robots_meta'] = _print_robots_meta_generator(); $variables['css'] = _print_css_generator($variables['expand_css']); if (variable_get('print_html_sendtoprinter', PRINT_HTML_SENDTOPRINTER_DEFAULT) && ($format == 'html')) { drupal_add_js('misc/drupal.js', array('weight' => JS_LIBRARY)); $window_close = (variable_get('print_html_new_window', PRINT_HTML_NEW_WINDOW_DEFAULT) && variable_get('print_html_windowclose', PRINT_HTML_WINDOWCLOSE_DEFAULT)) ? 'window.close();' : ''; $variables['sendtoprinter'] = ''; } $type = (isset($node->type)) ? $node->type : ''; $nid = (isset($node->nid)) ? $node->nid : ''; $variables['theme_hook_suggestions'] = array(); $variables['theme_hook_suggestions'][] = "print__node__{$type}"; $variables['theme_hook_suggestions'][] = "print__node__{$type}__{$nid}"; $variables['theme_hook_suggestions'][] = "print__{$format}"; $variables['theme_hook_suggestions'][] = "print__{$format}__node__{$type}"; $variables['theme_hook_suggestions'][] = "print__{$format}__node__{$type}__{$nid}"; } /** * Returns HTML for the published line of the print template. * * @param array $vars * An empty associative array * * @return string * HTML text with the published line * * @ingroup themeable * @ingroup print_themeable */ function theme_print_published($vars) { global $base_url; $published_site = variable_get('site_name', 0); return $published_site ? t('Published on %site_name', array('%site_name' => $published_site)) . ' (' . l($base_url, $base_url) . ')' : ''; } /** * Returns HTML for the breadcrumb line of the print template. * * @param array $vars * An associative array containing: * - $node: the node object * * @return string * HTML text with the breadcrumb * * @ingroup themeable * @ingroup print_themeable */ function theme_print_breadcrumb($vars) { $node = $vars['node']; $old_path = $_GET['q']; $path = empty($node->nid) ? $node->path : "node/$node->nid"; menu_set_active_item($path); $breadcrumb = drupal_get_breadcrumb(); if (!empty($breadcrumb)) { $breadcrumb[] = menu_get_active_title(); menu_set_active_item($old_path); return filter_xss(implode(' > ', $breadcrumb)); } else { menu_set_active_item($old_path); return ''; } } /** * Returns HTML for the footer of the print template. * * @param array $vars * An empty associative array * * @return string * HTML text with the footer * * @ingroup themeable * @ingroup print_themeable */ function theme_print_footer($vars) { $footer = ''; switch (variable_get('print_footer_options', PRINT_FOOTER_OPTIONS_DEFAULT)) { 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 = variable_get('print_footer_user', PRINT_FOOTER_USER_DEFAULT); break; } // Delete the contextual links $footer = preg_replace('!\s*!sim', '', $footer); return filter_xss_admin($footer); } /** * Returns HTML for the source URL line of the print template. * * @param array $vars * An associative array containing: * - $url: the URL to the full node view. * - $node: the node object. * - $cid; comment ID of the comment to display. * * @return string * HTML text with the footer * * @ingroup themeable * @ingroup print_themeable */ function theme_print_sourceurl($vars) { $sourceurl_date = variable_get('print_sourceurl_date', PRINT_SOURCEURL_DATE_DEFAULT); $url = is_int($vars['cid']) ? $vars['url'] . '#comment-' . $vars['cid'] : $vars['url']; $output = '' . t('Source URL'); if ($sourceurl_date && isset($vars['node'])) { $output .= ' ('; $date = format_date($vars['node']->changed, 'short'); $output .= empty($vars['node']->nid) ? t('retrieved on !date', array('!date' => $date)) : t('modified on !date', array('!date' => $date)); $output .= ')'; } $output .= ': ' . $url; return $output; } /** * Returns HTML for the URL list of the print template. * * @param array $vars * An empty associative array * * @return string * HTML text with the URL list * * @ingroup themeable * @ingroup print_themeable */ function theme_print_url_list($vars) { global $_print_urls; // Display the collected links at the bottom of the page. Code once taken from Kjartan Mannes' project.module if (!empty($_print_urls)) { $urls = _print_friendly_urls(); $max = count($urls); $url_list = ''; foreach ($urls as $key => $url) { drupal_alter('print_url_list', $url); $url_list .= '[' . ($key + 1) . '] ' . check_plain($url) . "
\n"; } if (!empty($url_list)) { return "

" . t('Links') . "
$url_list

"; } else { return ''; } } } /** * Generates a robots meta tag to tell them what they may index * * @return string * meta robots tag */ function _print_robots_meta_generator() { $robots_meta = array(); if (variable_get('print_robots_noindex', PRINT_ROBOTS_NOINDEX_DEFAULT)) { $robots_meta[] = 'noindex'; } if (variable_get('print_robots_nofollow', PRINT_ROBOTS_NOFOLLOW_DEFAULT)) { $robots_meta[] = 'nofollow'; } if (variable_get('print_robots_noarchive', PRINT_ROBOTS_NOARCHIVE_DEFAULT)) { $robots_meta[] = 'noarchive'; } if (count($robots_meta) > 0) { return ''; } else { return ''; } } /** * Generates the CSS directive to include in the printer-friendly version * * @param bool $expand * If TRUE, the provided CSS will be expanded, instead of given as a list * of includes. * * @return string * applicable CSS */ function _print_css_generator($expand = FALSE) { $print_css = variable_get('print_css', PRINT_CSS_DEFAULT); if (!empty($print_css)) { drupal_add_css(strtr($print_css, array('%t' => drupal_get_path('theme', variable_get('theme_default'))))); } else { drupal_add_css(drupal_get_path('module', 'print') . '/css/print.css'); } $drupal_css = drupal_add_css(); if (!variable_get('print_keep_theme_css', PRINT_KEEP_THEME_CSS_DEFAULT)) { foreach ($drupal_css as $key => $css_file) { if ($css_file['group'] == CSS_THEME) { // Unset the theme's CSS unset($drupal_css[$key]); } } } // Expand the CSS if requested if ($expand) { $style = ''; $css_files = array_keys($drupal_css); foreach ($css_files as $filename) { if (file_exists($filename)) { $style .= file_get_contents($filename, TRUE); } } return "\n"; } else { return drupal_get_css($drupal_css); } } /** * Callback function for the preg_replace_callback for URL-capable patterns * * Manipulate URLs to make them absolute in the URLs list, and add a [n] * footnote marker. * * @param array $matches * array with the matched tag patterns, usually +text+ * * @return string * tag with re-written URL and, if applicable, the [n] index to the URL list */ function _print_rewrite_urls($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, 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))) { $ret .= ' [' . _print_friendly_urls(trim($newurl)) . ']'; } } 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('
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*!sim', '', $node->content); // Delete the contextual links also $node->content = preg_replace('!\s*!sim', '', $node->content); // Check URL list settings $_print_urls = _print_url_list_enabled($node, $format); // Convert the a href elements $pattern = '!<(a\s[^>]*?)>(.*?)()!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[^>]*?)>(.*?)()!is'; $node->content = preg_replace_callback($pattern, '_print_rewrite_urls', $node->content); return $node; }