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<?php
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/**
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* @file
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* Displays Printer-friendly versions of Drupal pages.
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*
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* @ingroup print
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*/
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define('PRINTPDF_PATH', 'printpdf');
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// Defined in print.module
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// define('PRINT_PDF_FORMAT', 'pdf');
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define('PRINT_PDF_LIB_PATH', 'sites/all/libraries');
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define('PRINT_PDF_LINK_POS_DEFAULT', '{ "link": "link", "block": "block", "help": "help" }');
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define('PRINT_PDF_LINK_TEASER_DEFAULT', 0);
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define('PRINT_PDF_SHOW_LINK_DEFAULT', 1);
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define('PRINT_PDF_NODE_LINK_VISIBILITY_DEFAULT', 0);
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define('PRINT_PDF_NODE_LINK_PAGES_DEFAULT', '');
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define('PRINT_PDF_LINK_CLASS_DEFAULT', 'print-pdf');
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define('PRINT_PDF_SYS_LINK_VISIBILITY_DEFAULT', 1);
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define('PRINT_PDF_SYS_LINK_PAGES_DEFAULT', '');
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define('PRINT_PDF_LINK_USE_ALIAS_DEFAULT', 0);
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define('PRINT_PDF_BOOK_LINK_DEFAULT', 1);
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define('PRINT_PDF_PDF_TOOL_DEFAULT', 0);
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define('PRINT_PDF_CONTENT_DISPOSITION_DEFAULT', 2);
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define('PRINT_PDF_PAPER_SIZE_DEFAULT', 'A4');
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define('PRINT_PDF_PAGE_ORIENTATION_DEFAULT', 'portrait');
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define('PRINT_PDF_IMAGES_VIA_FILE_DEFAULT', 0);
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define('PRINT_PDF_AUTOCONFIG_DEFAULT', 1);
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define('PRINT_PDF_FONT_FAMILY_DEFAULT', 'dejavusans');
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define('PRINT_PDF_FONT_SIZE_DEFAULT', 10);
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define('PRINT_PDF_FONT_SUBSETTING_DEFAULT', FALSE);
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define('PRINT_PDF_FILENAME_DEFAULT', '[site:name] - [node:title] - [node:changed:custom:Y-m-d]');
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define('PRINT_PDF_DOMPDF_UNICODE_DEFAULT', 0);
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define('PRINT_PDF_WKHTMLTOPDF_OPTIONS', "--footer-font-size 7 --footer-right '[page]'");
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define('PRINT_PDF_DOMPDF_CACHE_DIR_DEFAULT', 'print_pdf/dompdf');
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define('PRINT_PDF_TCPDF_CACHE_DIR_DEFAULT', 'print_pdf/tcpdf');
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/**
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* Implements hook_permission().
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*/
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function print_pdf_permission() {
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return array(
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'access PDF version' => array(
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'title' => t('Access the PDF version'),
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'description' => t('View the PDF versions and the links to them in the original pages.'),
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),
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);
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}
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/**
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* Implements hook_theme().
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*/
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function print_pdf_theme() {
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return array(
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'print_pdf_format_link' => array(
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'variables' => array(),
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),
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'print_pdf_dompdf_footer' => array(
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'variables' => array('html' => ''),
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'file' => 'print_pdf.pages.inc',
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),
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'print_pdf_tcpdf_header' => array(
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'variables' => array('pdf' => NULL, 'html' => '', 'font' => array()),
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'file' => 'print_pdf.pages.inc',
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),
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'print_pdf_tcpdf_page' => array(
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'variables' => array('pdf' => NULL),
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'file' => 'print_pdf.pages.inc',
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),
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'print_pdf_tcpdf_content' => array(
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'variables' => array('pdf' => NULL, 'html' => '', 'font' => array()),
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'file' => 'print_pdf.pages.inc',
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),
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'print_pdf_tcpdf_footer' => array(
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'variables' => array('pdf' => NULL, 'html' => '', 'font' => array()),
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'file' => 'print_pdf.pages.inc',
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),
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'print_pdf_tcpdf_footer2' => array(
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'variables' => array('pdf' => NULL),
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'file' => 'print_pdf.pages.inc',
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),
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);
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}
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/**
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* Implements hook_init().
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*/
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function print_pdf_init() {
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if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
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$pdf_dirs = array();
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$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
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if (basename($print_pdf_pdf_tool) == 'dompdf_config.inc.php') {
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$pdf_dirs[] = PRINT_PDF_DOMPDF_CACHE_DIR_DEFAULT . '/fonts';
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}
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elseif (basename($print_pdf_pdf_tool) == 'tcpdf.php') {
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foreach (array('cache', 'images') as $dir) {
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$pdf_dirs[] = PRINT_PDF_TCPDF_CACHE_DIR_DEFAULT . '/' . $dir;
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}
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}
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if (!empty($pdf_dirs)) {
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foreach ($pdf_dirs as $pdf_dir) {
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$directory = 'public://' . $pdf_dir;
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file_prepare_directory($directory, FILE_CREATE_DIRECTORY);
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}
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}
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}
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}
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/**
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* Implements hook_menu().
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*/
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function print_pdf_menu() {
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$items = array();
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$items[PRINTPDF_PATH] = array(
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'title' => 'Printer-friendly PDF',
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'page callback' => 'print_pdf_controller',
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'access arguments' => array('access PDF version'),
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'type' => MENU_CALLBACK,
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'file' => 'print_pdf.pages.inc',
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);
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$items[PRINTPDF_PATH . '/' . PRINTPDF_PATH] = array(
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'access callback' => FALSE,
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);
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$items['admin/config/user-interface/print/pdf'] = array(
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'title' => 'PDF',
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'description' => 'Configure the settings of the PDF generation functionality.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('print_pdf_settings'),
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'access arguments' => array('administer print'),
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'weight' => 3,
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'type' => MENU_LOCAL_TASK,
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'file' => 'print_pdf.admin.inc',
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);
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$items['admin/config/user-interface/print/pdf/options'] = array(
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'title' => 'Options',
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'weight' => 1,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items['admin/config/user-interface/print/pdf/strings'] = array(
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'title' => 'Text strings',
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'description' => 'Override the user-facing strings used in the PDF version.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('print_pdf_strings_settings'),
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'access arguments' => array('administer print'),
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'weight' => 2,
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'type' => MENU_LOCAL_TASK,
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'file' => 'print_pdf.admin.inc',
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);
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return $items;
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}
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/**
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* Implements hook_block_info().
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*/
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function print_pdf_block_info() {
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$block['print_pdf-top']['info'] = t('Most PDFd');
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$block['print_pdf-top']['cache'] = DRUPAL_CACHE_GLOBAL;
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return $block;
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}
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/**
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* Implements hook_block_view().
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*/
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function print_pdf_block_view($delta = 0) {
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$block = array();
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switch ($delta) {
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case 'print_pdf-top':
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$block['subject'] = t('Most PDFd');
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$result = db_query_range("SELECT path FROM {print_pdf_page_counter} LEFT JOIN {node} n ON path = CONCAT('node/', n.nid) WHERE status <> 0 OR status IS NULL ORDER BY totalcount DESC", 0, 3)
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->fetchAll();
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if (count($result)) {
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$block['content'] = '<div class="item-list"><ul>';
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foreach ($result as $obj) {
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$block['content'] .= '<li>' . l(_print_get_title($obj->path), $obj->path) . '</li>';
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}
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$block['content'] .= '</ul></div>';
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}
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break;
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}
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return $block;
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}
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/**
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* Implements hook_requirements().
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*/
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function print_pdf_requirements($phase) {
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$requirements = array();
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$t = get_t();
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switch ($phase) {
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// At runtime, make sure that a PDF generation tool is selected
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case 'runtime':
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$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
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if (empty($print_pdf_pdf_tool)) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('No PDF tool selected'),
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'description' => $t('Please configure it in the !url.', array('!url' => l($t('PDF settings page'), 'admin/config/user-interface/print/pdf'))),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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else {
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if (!is_file($print_pdf_pdf_tool) || !is_readable($print_pdf_pdf_tool)) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('File not found'),
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'description' => $t('The currently selected PDF generation library (%file) is no longer accessible.', array('%file' => $print_pdf_pdf_tool)),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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elseif (basename($print_pdf_pdf_tool) == 'dompdf_config.inc.php') {
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if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
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$directory = 'public://' . PRINT_PDF_DOMPDF_CACHE_DIR_DEFAULT . '/fonts';
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if (!is_dir($directory) || !is_writable($directory)) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('DOMPDF font cache directory'),
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'value' => $t('Non-writable permissions'),
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'description' => $t('You must change the %fontdir permissions to be writable, as dompdf requires write-access to that directory.', array('%fontdir' => $directory)),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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}
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}
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elseif (basename($print_pdf_pdf_tool) == 'tcpdf.php') {
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$version = _print_pdf_tcpdf_version();
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if (version_compare($version, '5.9.001', '<')) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('Unsupported TCPDF version'),
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'description' => $t('The currently selected version of TCPDF (@version) is not supported. Please update to a !url.', array('@version' => $version, '!url' => l($t('newer version'), 'http://sourceforge.net/projects/tcpdf/files/latest'))),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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else {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('TCPDF') . ' ' . $version,
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);
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}
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if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
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foreach (array('cache', 'images') as $dir) {
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$directory = 'public://' . PRINT_PDF_TCPDF_CACHE_DIR_DEFAULT . '/' . $dir;
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if (!is_dir($directory) || !is_writable($directory)) {
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$requirements['print_pdf_tool_' . $dir] = array(
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'title' => $t('TCPDF directory'),
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'value' => $t('Non-writable permissions'),
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'description' => $t('You must change the %fontdir permissions to be writable, as TCPDF requires write-access to that directory.', array('%fontdir' => $directory)),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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}
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}
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}
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elseif (drupal_substr(basename($print_pdf_pdf_tool, '.exe'), 0, 11) == 'wkhtmltopdf') {
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if (function_exists('is_executable') && !is_executable($print_pdf_pdf_tool)) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('wkhtmltopdf library'),
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'value' => $t('Non-executable permissions'),
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'description' => $t('You must modify the permissions of the wkhtmltopdf file (%file) to make it executable.', array('%file' => $print_pdf_pdf_tool)),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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else {
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$version = _print_pdf_wkhtmltopdf_version();
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if (version_compare($version, '0.9.6', '<')) {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('Unsupported wkhtmltopdf version'),
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'description' => $t('The currently selected version of wkhtmltopdf (@version) is not supported. Please update to a !url.', array('@version' => $version, '!url' => l($t('newer version'), 'http://code.google.com/p/wkhtmltopdf/'))),
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'severity' => REQUIREMENT_ERROR,
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);
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}
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else {
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$requirements['print_pdf_tool'] = array(
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'title' => $t('Printer, email and PDF versions - PDF generation library'),
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'value' => $t('wkhtmltopdf') . ' ' . $version,
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);
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}
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}
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}
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}
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break;
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}
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return $requirements;
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}
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296
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297
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/**
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298
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* Implements hook_node_view().
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*/
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300
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function print_pdf_node_view($node, $view_mode) {
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$print_pdf_link_pos = variable_get('print_pdf_link_pos', drupal_json_decode(PRINT_PDF_LINK_POS_DEFAULT));
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$print_pdf_link_use_alias = variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT);
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303
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foreach (array('node', 'comment') as $type) {
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$allowed_type = print_pdf_link_allowed(array('type' => $type, 'node' => $node, 'view_mode' => $view_mode));
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if (($allowed_type) && !empty($print_pdf_link_pos['link'])) {
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drupal_add_css(drupal_get_path('module', 'print') . '/css/printlinks.css');
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308
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$links = array();
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309
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$format = theme('print_pdf_format_link');
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310
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311
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// Show book link
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if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
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313
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$links['book_pdf'] = array(
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314
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'href' => PRINTPDF_PATH . '/book/export/html/' . $node->nid,
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315
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'title' => $format['text'],
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316
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'attributes' => $format['attributes'],
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317
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'html' => $format['html'],
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);
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319
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}
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320
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elseif ($allowed_type === PRINT_ALLOW_NORMAL_LINK) {
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321
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$path = (($print_pdf_link_use_alias) && ($alias = drupal_lookup_path('alias', 'node/' . $node->nid))) ? $alias : $node->nid;
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322
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323
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$links['print_pdf'] = array(
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'href' => PRINTPDF_PATH . '/' . $path,
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325
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'title' => $format['text'],
|
326
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'attributes' => $format['attributes'],
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327
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'html' => $format['html'],
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328
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'query' => print_query_string_encode($_GET, array('q')),
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329
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);
|
330
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}
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331
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|
332
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$link_content = array(
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333
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'#theme' => 'links',
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334
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'#links' => $links,
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335
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'#attributes' => array('class' => array('links', 'inline')),
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336
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);
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337
|
|
338
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if ($type == 'node') {
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339
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$node->content['links']['print_pdf'] = $link_content;
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340
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}
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341
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elseif (($type == 'comment') && isset($node->content['comments']['comments'])) {
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342
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foreach ($node->content['comments']['comments'] as $cid => $comment) {
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343
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if (is_numeric($cid)) {
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$link_content['#links']['print_pdf']['query']['comment'] = $cid;
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$node->content['comments']['comments'][$cid]['links']['print_pdf'] = $link_content;
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}
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347
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}
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348
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}
|
349
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}
|
350
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}
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351
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|
352
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// Insert content corner links
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353
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if ((!empty($print_pdf_link_pos['corner'])) && ($view_mode == 'full')) {
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$node->content['print_links']['#markup'] .= print_pdf_insert_link(NULL, $node);
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}
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356
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}
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357
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358
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/**
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359
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* Implements hook_help().
|
360
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*/
|
361
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function print_pdf_help($path, $arg) {
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362
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$print_pdf_link_pos = variable_get('print_pdf_link_pos', drupal_json_decode(PRINT_PDF_LINK_POS_DEFAULT));
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363
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if (($path !== 'node/%') && !(empty($print_pdf_link_pos['help']))) {
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364
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static $output = FALSE;
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365
|
|
366
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if ($output === FALSE) {
|
367
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$output = TRUE;
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368
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369
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$link = print_pdf_insert_link();
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if ($link) {
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return "<span class='print-syslink'>$link</span>";
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}
|
373
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}
|
374
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}
|
375
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}
|
376
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|
377
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/**
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378
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* Implements hook_node_load().
|
379
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*/
|
380
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function print_pdf_node_load($nodes, $types) {
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381
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$ids = array();
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382
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foreach ($nodes as $node) {
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383
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$ids[] = $node->nid;
|
384
|
}
|
385
|
|
386
|
$result = db_query('SELECT nid, link, comments, url_list FROM {print_pdf_node_conf} WHERE nid IN (:nids)', array(':nids' => $ids))->fetchAllAssoc('nid');
|
387
|
|
388
|
foreach ($nodes as $node) {
|
389
|
$node->print_pdf_display = isset($result[$node->nid]) ? intval($result[$node->nid]->link) : variable_get('print_pdf_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
390
|
$node->print_pdf_display_comment = isset($result[$node->nid]) ? intval($result[$node->nid]->comments) : variable_get('print_pdf_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
391
|
$node->print_pdf_display_urllist = isset($result[$node->nid]) ? intval($result[$node->nid]->url_list) : variable_get('print_pdf_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
392
|
}
|
393
|
}
|
394
|
|
395
|
/**
|
396
|
* Implements hook_node_insert().
|
397
|
*/
|
398
|
function print_pdf_node_insert($node) {
|
399
|
if (user_access('administer print') || user_access('node-specific print configuration')) {
|
400
|
if (!isset($node->print_pdf_display)) $node->print_pdf_display = variable_get('print_pdf_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
401
|
if (!isset($node->print_pdf_display_comment)) $node->print_pdf_display_comment = variable_get('print_pdf_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
402
|
if (!isset($node->print_pdf_display_urllist)) $node->print_pdf_display_urllist = variable_get('print_pdf_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
403
|
|
404
|
_print_pdf_node_conf_modify($node->nid, $node->print_pdf_display, $node->print_pdf_display_comment, $node->print_pdf_display_urllist);
|
405
|
}
|
406
|
}
|
407
|
|
408
|
/**
|
409
|
* Implements hook_node_update().
|
410
|
*/
|
411
|
function print_pdf_node_update($node) {
|
412
|
if (user_access('administer print') || user_access('node-specific print configuration')) {
|
413
|
if (!isset($node->print_pdf_display) || $node->print_pdf_display === NULL) {
|
414
|
$node->print_pdf_display = variable_get('print_pdf_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
415
|
}
|
416
|
if (!isset($node->print_pdf_display_comment) || $node->print_pdf_display_comment === NULL) {
|
417
|
$node->print_pdf_display_comment = variable_get('print_pdf_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
418
|
}
|
419
|
if (!isset($node->print_pdf_display_urllist) || $node->print_pdf_display_urllist === NULL) {
|
420
|
$node->print_pdf_display_urllist = variable_get('print_pdf_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
421
|
}
|
422
|
|
423
|
_print_pdf_node_conf_modify($node->nid, $node->print_pdf_display, $node->print_pdf_display_comment, $node->print_pdf_display_urllist);
|
424
|
}
|
425
|
}
|
426
|
|
427
|
/**
|
428
|
* Implements hook_node_delete().
|
429
|
*/
|
430
|
function print_pdf_node_delete($node) {
|
431
|
db_delete('print_pdf_node_conf')
|
432
|
->condition('nid', $node->nid)
|
433
|
->execute();
|
434
|
db_delete('print_pdf_page_counter')
|
435
|
->condition('path', 'node/' . $node->nid)
|
436
|
->execute();
|
437
|
}
|
438
|
|
439
|
/**
|
440
|
* Implements hook_form_alter().
|
441
|
*/
|
442
|
function print_pdf_form_alter(&$form, &$form_state, $form_id) {
|
443
|
// Add the node-type settings option to activate the PDF version link
|
444
|
if ((user_access('administer print') || user_access('node-specific print configuration')) &&
|
445
|
(($form_id == 'node_type_form') || !empty($form['#node_edit_form']))) {
|
446
|
$form['print']['pdf_label'] = array(
|
447
|
'#type' => 'markup',
|
448
|
'#markup' => '<p><strong>' . t('PDF version') . '</strong></p>',
|
449
|
);
|
450
|
|
451
|
$form['print']['print_pdf_display'] = array(
|
452
|
'#type' => 'checkbox',
|
453
|
'#title' => t('Show link'),
|
454
|
);
|
455
|
$form['print']['print_pdf_display_comment'] = array(
|
456
|
'#type' => 'checkbox',
|
457
|
'#title' => t('Show link in individual comments'),
|
458
|
);
|
459
|
$form['print']['print_pdf_display_urllist'] = array(
|
460
|
'#type' => 'checkbox',
|
461
|
'#title' => t('Show Printer-friendly URLs list'),
|
462
|
);
|
463
|
|
464
|
if ($form_id == 'node_type_form') {
|
465
|
$form['print']['print_pdf_display']['#default_value'] = variable_get('print_pdf_display_' . $form['#node_type']->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
466
|
$form['print']['print_pdf_display_comment']['#default_value'] = variable_get('print_pdf_display_comment_' . $form['#node_type']->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
467
|
$form['print']['print_pdf_display_urllist']['#default_value'] = variable_get('print_pdf_display_urllist_' . $form['#node_type']->type, PRINT_TYPE_URLLIST_DEFAULT);
|
468
|
}
|
469
|
else {
|
470
|
$node = $form['#node'];
|
471
|
$form['print']['print_pdf_display']['#default_value'] = isset($node->print_pdf_display) ? $node->print_pdf_display : variable_get('print_pdf_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
472
|
$form['print']['print_pdf_display_comment']['#default_value'] = isset($node->print_pdf_display_comment) ? $node->print_pdf_display_comment : variable_get('print_pdf_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
473
|
$form['print']['print_pdf_display_urllist']['#default_value'] = isset($node->print_pdf_display_urllist) ? $node->print_pdf_display_urllist : variable_get('print_pdf_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
474
|
}
|
475
|
}
|
476
|
}
|
477
|
|
478
|
/**
|
479
|
* Update the print_pdf_node_conf table to reflect the given attributes
|
480
|
*
|
481
|
* If updating to the default values, delete the record.
|
482
|
*
|
483
|
* @param $nid
|
484
|
* value of the nid field (primary key)
|
485
|
* @param $link
|
486
|
* value of the link field (0 or 1)
|
487
|
* @param $comments
|
488
|
* value of the comments field (0 or 1)
|
489
|
* @param $url_list
|
490
|
* value of the url_list field (0 or 1)
|
491
|
*/
|
492
|
function _print_pdf_node_conf_modify($nid, $link, $comments, $url_list) {
|
493
|
db_merge('print_pdf_node_conf')
|
494
|
->key(array('nid' => $nid))
|
495
|
->fields(array(
|
496
|
'link' => $link,
|
497
|
'comments' => $comments,
|
498
|
'url_list' => $url_list,
|
499
|
))
|
500
|
->execute();
|
501
|
}
|
502
|
|
503
|
/**
|
504
|
* Format the PDF version link
|
505
|
*
|
506
|
* @return
|
507
|
* array of formatted attributes
|
508
|
* @ingroup themeable
|
509
|
*/
|
510
|
function theme_print_pdf_format_link() {
|
511
|
$print_pdf_link_class = variable_get('print_pdf_link_class', PRINT_PDF_LINK_CLASS_DEFAULT);
|
512
|
$print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
|
513
|
$print_pdf_show_link = variable_get('print_pdf_show_link', PRINT_PDF_SHOW_LINK_DEFAULT);
|
514
|
$print_pdf_link_text = filter_xss(variable_get('print_pdf_link_text', t('PDF version')));
|
515
|
|
516
|
$img = drupal_get_path('module', 'print') . '/icons/pdf_icon.gif';
|
517
|
$title = t('Display a PDF version of this page.');
|
518
|
$class = strip_tags($print_pdf_link_class);
|
519
|
$new_window = ($print_pdf_content_disposition == 1);
|
520
|
$format = _print_format_link_aux($print_pdf_show_link, $print_pdf_link_text, $img);
|
521
|
|
522
|
return array('text' => $format['text'],
|
523
|
'html' => $format['html'],
|
524
|
'attributes' => print_fill_attributes($title, $class, $new_window),
|
525
|
);
|
526
|
}
|
527
|
|
528
|
/**
|
529
|
* Auxiliary function to display a formatted PDF version link
|
530
|
*
|
531
|
* Function made available so that developers may call this function from
|
532
|
* their defined pages/blocks.
|
533
|
*
|
534
|
* @param $path
|
535
|
* path of the original page (optional). If not specified, the current URL
|
536
|
* is used
|
537
|
* @param $node
|
538
|
* an optional node object, to be used in defining the path, if used, the
|
539
|
* path argument is irrelevant
|
540
|
* @return
|
541
|
* string with the HTML link to the printer-friendly page
|
542
|
*/
|
543
|
function print_pdf_insert_link($path = NULL, $node = NULL) {
|
544
|
if ($node !== NULL) {
|
545
|
$nid = $node->nid;
|
546
|
$path = 'node/' . $nid;
|
547
|
$allowed_type = print_pdf_link_allowed(array('node' => $node));
|
548
|
}
|
549
|
else {
|
550
|
if ($path === NULL) {
|
551
|
$nid = preg_replace('!^node/([\d]+)!', '$1', $_GET['q']);
|
552
|
$path = $_GET['q'];
|
553
|
}
|
554
|
else {
|
555
|
$nid = NULL;
|
556
|
}
|
557
|
$allowed_type = print_pdf_link_allowed(array('path' => $path));
|
558
|
}
|
559
|
|
560
|
if ($allowed_type) {
|
561
|
if ($nid !== NULL) {
|
562
|
if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
|
563
|
$path = 'book/export/html/' . $nid;
|
564
|
}
|
565
|
else {
|
566
|
if (variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
|
567
|
$path = $alias;
|
568
|
}
|
569
|
else {
|
570
|
$path = $nid;
|
571
|
}
|
572
|
}
|
573
|
$path = PRINTPDF_PATH . '/' . $path;
|
574
|
$query = print_query_string_encode($_GET, array('q'));
|
575
|
}
|
576
|
else {
|
577
|
$query = NULL;
|
578
|
}
|
579
|
drupal_add_css(drupal_get_path('module', 'print') . '/css/printlinks.css');
|
580
|
$format = theme('print_pdf_format_link');
|
581
|
return '<span class="print_pdf">' . l($format['text'], $path, array('attributes' => $format['attributes'], 'query' => $query, 'absolute' => TRUE, 'html' => $format['html'])) . '</span>';
|
582
|
}
|
583
|
else {
|
584
|
return FALSE;
|
585
|
}
|
586
|
}
|
587
|
|
588
|
/**
|
589
|
* Check if the link to the PDF version is allowed depending on the settings
|
590
|
*
|
591
|
* @param $args
|
592
|
* array containing the possible parameters:
|
593
|
* teaser, node, type, path
|
594
|
* @return
|
595
|
* FALSE if not allowed
|
596
|
* PRINT_ALLOW_NORMAL_LINK if a normal link is allowed
|
597
|
* PRINT_ALLOW_BOOK_LINK if a link is allowed in a book node
|
598
|
*/
|
599
|
function print_pdf_link_allowed($args) {
|
600
|
$view_mode = isset($args['view_mode']) ? $args['view_mode'] : '';
|
601
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
602
|
if ((($view_mode == 'teaser') && !variable_get('print_pdf_link_teaser', PRINT_PDF_LINK_TEASER_DEFAULT))
|
603
|
|| !in_array($view_mode, array('full', 'teaser', '')) || !user_access('access PDF version') || (empty($print_pdf_pdf_tool))) {
|
604
|
// If the teaser link is disabled or the user is not allowed
|
605
|
return FALSE;
|
606
|
}
|
607
|
if (!empty($args['path'])) {
|
608
|
$nid = preg_replace('!^node/!', '', drupal_get_normal_path($args['path']));
|
609
|
if (ctype_digit($nid)) {
|
610
|
$args['node'] = node_load($nid);
|
611
|
}
|
612
|
}
|
613
|
if (!empty($args['node'])) {
|
614
|
static $node_type = FALSE;
|
615
|
|
616
|
$node = $args['node'];
|
617
|
if (isset($node->type)) {
|
618
|
$node_type = $node->type;
|
619
|
}
|
620
|
// Node
|
621
|
$print_pdf_node_link_visibility = variable_get('print_pdf_node_link_visibility', PRINT_PDF_NODE_LINK_VISIBILITY_DEFAULT);
|
622
|
$print_pdf_node_link_pages = variable_get('print_pdf_node_link_pages', PRINT_PDF_NODE_LINK_PAGES_DEFAULT);
|
623
|
|
624
|
if (!_print_page_match($print_pdf_node_link_visibility, "node/" . $node->nid, $print_pdf_node_link_pages)) {
|
625
|
// Page not in visibility list
|
626
|
return FALSE;
|
627
|
}
|
628
|
elseif (isset($args['type']) && ($args['type'] == 'comment') && isset($node_type)) {
|
629
|
// Link is for a comment, return the configured setting
|
630
|
// Cache this statically to avoid duplicate queries for every comment.
|
631
|
static $res = array();
|
632
|
if (!isset($res[$node->nid])) {
|
633
|
$res[$node->nid] = db_query("SELECT comments FROM {print_pdf_node_conf} WHERE nid = :nid", array(':nid' => $node->nid))->fetchField();
|
634
|
}
|
635
|
$print_display_comment = ($res && ($res[$node->nid] !== FALSE)) ? $res[$node->nid] : variable_get('print_pdf_display_comment_' . $node_type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
636
|
if ($print_display_comment) {
|
637
|
return PRINT_ALLOW_NORMAL_LINK;
|
638
|
}
|
639
|
}
|
640
|
else {
|
641
|
// Node link
|
642
|
if (isset($node->print_pdf_display) && !$node->print_pdf_display) {
|
643
|
// Link for this node is disabled
|
644
|
return FALSE;
|
645
|
}
|
646
|
elseif (isset($node->book)) {
|
647
|
// Node is a book;
|
648
|
$print_pdf_book_link = variable_get('print_pdf_book_link', PRINT_PDF_BOOK_LINK_DEFAULT);
|
649
|
switch ($print_pdf_book_link) {
|
650
|
case 1:
|
651
|
if (user_access('access printer-friendly version')) {
|
652
|
return PRINT_ALLOW_BOOK_LINK;
|
653
|
}
|
654
|
break;
|
655
|
case 2:
|
656
|
return PRINT_ALLOW_NORMAL_LINK;
|
657
|
}
|
658
|
}
|
659
|
else {
|
660
|
return PRINT_ALLOW_NORMAL_LINK;
|
661
|
}
|
662
|
}
|
663
|
}
|
664
|
else {
|
665
|
// 'System' page
|
666
|
$print_pdf_sys_link_visibility = variable_get('print_pdf_sys_link_visibility', PRINT_PDF_SYS_LINK_VISIBILITY_DEFAULT);
|
667
|
$print_pdf_sys_link_pages = variable_get('print_pdf_sys_link_pages', PRINT_PDF_SYS_LINK_PAGES_DEFAULT);
|
668
|
|
669
|
return _print_page_match($print_pdf_sys_link_visibility, $_GET['q'], $print_pdf_sys_link_pages);
|
670
|
}
|
671
|
return FALSE;
|
672
|
}
|
673
|
|
674
|
/**
|
675
|
* Find out the version of the TCPDF library
|
676
|
*/
|
677
|
function _print_pdf_tcpdf_version() {
|
678
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
679
|
if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
|
680
|
// prevent TCPDF default configs
|
681
|
define('K_TCPDF_EXTERNAL_CONFIG', TRUE);
|
682
|
}
|
683
|
require_once(DRUPAL_ROOT . '/' . $print_pdf_pdf_tool);
|
684
|
|
685
|
// Hide warnings, as some TCPDF constants may still be undefined
|
686
|
if (class_exists('TCPDF')) {
|
687
|
@$pdf = new TCPDF();
|
688
|
|
689
|
if (class_exists('TCPDF_STATIC')) {
|
690
|
return TCPDF_STATIC::getTCPDFVersion();
|
691
|
}
|
692
|
elseif (method_exists($pdf, 'getTCPDFVersion')) {
|
693
|
return $pdf->getTCPDFVersion();
|
694
|
}
|
695
|
elseif (defined('PDF_PRODUCER')) {
|
696
|
sscanf(PDF_PRODUCER, "TCPDF %s", $version);
|
697
|
|
698
|
return $version;
|
699
|
}
|
700
|
}
|
701
|
return 'unknown';
|
702
|
}
|
703
|
|
704
|
/**
|
705
|
* Find out the version of the wkhtmltopdf library
|
706
|
*/
|
707
|
function _print_pdf_wkhtmltopdf_version() {
|
708
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
709
|
$descriptor = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
|
710
|
|
711
|
$cmd = '"' . realpath($print_pdf_pdf_tool) . '" --version';
|
712
|
$process = proc_open($cmd, $descriptor, $pipes, NULL, NULL);
|
713
|
if (is_resource($process)) {
|
714
|
$content = stream_get_contents($pipes[1]);
|
715
|
$out = preg_match('!.*?(\d+\.\d+\.\d+).*$!m', $content, $matches);
|
716
|
fclose($pipes[0]);
|
717
|
fclose($pipes[1]);
|
718
|
fclose($pipes[2]);
|
719
|
$retval = proc_close($process);
|
720
|
}
|
721
|
|
722
|
return ($matches[1]);
|
723
|
}
|
724
|
|
725
|
/**
|
726
|
* Implements hook_views_api().
|
727
|
*/
|
728
|
function print_pdf_views_api() {
|
729
|
return array(
|
730
|
'api' => 2.0,
|
731
|
'path' => drupal_get_path('module', 'print_pdf'),
|
732
|
);
|
733
|
}
|