699 lines
26 KiB
Text
699 lines
26 KiB
Text
<?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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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', serialize(array('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] - [title] - [mod-yyyy]-[mod-mm]-[mod-dd]');
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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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* Implementation of hook_perm().
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*/
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function print_pdf_perm() {
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return array('access PDF version');
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}
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/**
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* Implementation of 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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'arguments' => array(),
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),
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'print_pdf_dompdf_footer' => array(
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'arguments' => 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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'arguments' => 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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'arguments' => 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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'arguments' => 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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'arguments' => 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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'arguments' => 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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* Implementation of 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 = file_directory_path() . '/' . $pdf_dir;
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if (!is_dir($directory)) {
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$dir_tmp = '';
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foreach (explode('/', $pdf_dir) as $dir) {
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$dir_tmp .= $dir . '/';
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$directory = file_directory_path() . '/' . $dir_tmp;
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file_check_directory($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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}
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/**
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* Implementation of 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/settings/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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$items['admin/settings/print/pdf/options'] = array(
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'title' => 'Options',
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'weight' => 1,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items['admin/settings/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 $items;
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}
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/**
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* Implementation of hook_block().
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*/
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function print_pdf_block($op = 'list', $delta = 0, $edit = array()) {
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switch ($op) {
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case 'list':
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$block[0]['info'] = t('Most PDFd');
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$block[0]['cache'] = BLOCK_CACHE_GLOBAL;
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return $block;
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break;
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case 'configure':
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return '';
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case 'save':
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return;
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case 'view':
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switch ($delta) {
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case 0:
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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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if (db_affected_rows()) {
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$block['content'] = '<div class="item-list"><ul>';
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while ($obj = db_fetch_object($result)) {
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$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 $block;
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break;
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}
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}
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/**
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* Implementation of hook_requirements().
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*/
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function print_pdf_requirements($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/settings/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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$directory = file_directory_path() . '/' . PRINT_PDF_DOMPDF_CACHE_DIR_DEFAULT . '/fonts';
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if (!is_dir($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 = file_directory_path() . '/' . 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 $requirements;
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}
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/**
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* Implementation of hook_link().
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*/
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function print_pdf_link($type, $node = NULL, $teaser = FALSE) {
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$print_pdf_link_pos = variable_get('print_pdf_link_pos', unserialize(PRINT_PDF_LINK_POS_DEFAULT));
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$print_pdf_link_use_alias = variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT);
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$allowed_type = print_pdf_link_allowed(array('type' => $type, 'node' => $node, 'teaser' => $teaser));
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if (($allowed_type) && !empty($print_pdf_link_pos['link'])) {
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drupal_add_css(drupal_get_path('module', 'print') .'/css/printlinks.css');
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$links = array();
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$format = theme('print_pdf_format_link');
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// Show book link
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if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
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$links['book_pdf'] = array('href' => PRINTPDF_PATH .'/book/export/html/'. $node->nid,
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'title' => $format['text'],
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'attributes' => $format['attributes'],
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'html' => $format['html'],
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);
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return $links;
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}
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elseif ($allowed_type === PRINT_ALLOW_NORMAL_LINK) {
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$query_arr = $_GET;
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if ($type == 'comment') {
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$query_arr['comment'] = $node->cid;
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}
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$query = print_query_string_encode($query_arr, array('q'));
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if (empty($query)) $query = NULL;
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if (($print_pdf_link_use_alias) && ($alias = drupal_lookup_path('alias', 'node/'. $node->nid))) {
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$path = $alias;
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}
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else {
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$path = $node->nid;
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}
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$links['print_pdf'] = array('href' => PRINTPDF_PATH .'/'. $path,
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'title' => $format['text'],
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'attributes' => $format['attributes'],
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'html' => $format['html'],
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'query' => $query,
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);
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return $links;
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}
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}
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else {
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return;
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}
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}
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/**
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* Implementation of hook_help().
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*/
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function print_pdf_help($path, $arg) {
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$print_pdf_link_pos = variable_get('print_pdf_link_pos', unserialize(PRINT_PDF_LINK_POS_DEFAULT));
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if (($path !== 'node/%') && !(empty($print_pdf_link_pos['help']))) {
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static $output = FALSE;
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if ($output === FALSE) {
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$output = TRUE;
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$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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}
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}
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}
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}
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/**
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* Implementation of hook_nodeapi().
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*/
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function print_pdf_nodeapi(&$node, $op = 'view', $teaser, $page) {
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switch ($op) {
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case 'view':
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// Insert content corner links
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$print_pdf_link_pos = variable_get('print_pdf_link_pos', unserialize(PRINT_PDF_LINK_POS_DEFAULT));
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if (($teaser === FALSE) && !empty($print_pdf_link_pos['corner']) &&
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isset($node->build_mode) && ($node->build_mode === NODE_BUILD_NORMAL)) {
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$node->content['print_links']['#value'] .= print_pdf_insert_link(NULL, $node);
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}
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break;
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case 'load':
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$res = db_fetch_object(db_query("SELECT link, comments, url_list FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid));
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$node->print_pdf_display = $res ? intval($res->link) : variable_get('print_pdf_display_'. $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
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$node->print_pdf_display_comment = $res ? intval($res->comments) : variable_get('print_pdf_display_comment_'. $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
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$node->print_pdf_display_urllist = $res ? intval($res->url_list) : variable_get('print_pdf_display_urllist_'. $node->type, PRINT_TYPE_URLLIST_DEFAULT);
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break;
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case 'insert':
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case 'update':
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if (user_access('administer print') || user_access('node-specific print configuration')) {
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if (!isset($node->print_pdf_display)) $node->print_pdf_display = variable_get('print_pdf_display_'. $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
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if (!isset($node->print_pdf_display_comment)) $node->print_pdf_display_comment = variable_get('print_pdf_display_comment_'. $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
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if (!isset($node->print_pdf_display_urllist)) $node->print_pdf_display_urllist = variable_get('print_pdf_display_urllist_'. $node->type, PRINT_TYPE_URLLIST_DEFAULT);
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_print_pdf_node_conf_modify($node->nid, $node->print_pdf_display, $node->print_pdf_display_comment, $node->print_pdf_display_urllist);
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}
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break;
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case 'delete':
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db_query("DELETE FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid);
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db_query("DELETE FROM {print_pdf_page_counter} WHERE path = 'node/%d'", $node->nid);
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break;
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}
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}
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/**
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* Implementation of hook_form_alter().
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*/
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function print_pdf_form_alter(&$form, $form_state, $form_id) {
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// Add the node-type settings option to activate the PDF version link
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if ((user_access('administer print') || user_access('node-specific print configuration')) && (($form_id == 'node_type_form') ||
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(isset($form['type']) && isset($form['#node']) && $form['type']['#value'] .'_node_form' == $form_id))) {
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$form['print']['pdf_label'] = array(
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'#type' => 'markup',
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'#value' => '<p><strong>'. t('PDF version') .'</strong></p>',
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);
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$form['print']['print_pdf_display'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show link'),
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);
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$form['print']['print_pdf_display_comment'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show link in individual comments'),
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);
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$form['print']['print_pdf_display_urllist'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show Printer-friendly URLs list'),
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);
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|
|
if ($form_id == 'node_type_form') {
|
|
$form['print']['print_pdf_display']['#default_value'] = variable_get('print_pdf_display_'. $form['#node_type']->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
|
$form['print']['print_pdf_display_comment']['#default_value'] = variable_get('print_pdf_display_comment_'. $form['#node_type']->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
|
$form['print']['print_pdf_display_urllist']['#default_value'] = variable_get('print_pdf_display_urllist_'. $form['#node_type']->type, PRINT_TYPE_URLLIST_DEFAULT);
|
|
}
|
|
else {
|
|
$node = $form['#node'];
|
|
$form['print']['print_pdf_display']['#default_value'] = isset($node->print_pdf_display) ? $node->print_pdf_display : variable_get('print_pdf_display_'. $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
|
|
$form['print']['print_pdf_display_comment']['#default_value'] = isset($node->print_pdf_display_comment) ? $node->print_pdf_display_comment : variable_get('print_pdf_display_comment_'. $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
|
$form['print']['print_pdf_display_urllist']['#default_value'] = isset($node->print_pdf_display_urllist) ? $node->print_pdf_display_urllist : variable_get('print_pdf_display_urllist_'. $node->type, PRINT_TYPE_URLLIST_DEFAULT);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Update the print_pdf_node_conf table to reflect the given attributes
|
|
*
|
|
* If updating to the default values, delete the record.
|
|
*
|
|
* @param $nid
|
|
* value of the nid field (primary key)
|
|
* @param $link
|
|
* value of the link field (0 or 1)
|
|
* @param $comments
|
|
* value of the comments field (0 or 1)
|
|
* @param $url_list
|
|
* value of the url_list field (0 or 1)
|
|
*/
|
|
function _print_pdf_node_conf_modify($nid, $link, $comments, $url_list) {
|
|
db_query("UPDATE {print_pdf_node_conf} SET link = %d, comments = %d, url_list = %d WHERE nid = %d", $link, $comments, $url_list, $nid);
|
|
if (!db_affected_rows()) {
|
|
@db_query("INSERT INTO {print_pdf_node_conf} (nid, link, comments, url_list) VALUES (%d, %d, %d, %d)", $nid, $link, $comments, $url_list);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Format the PDF version link
|
|
*
|
|
* @return
|
|
* array of formatted attributes
|
|
* @ingroup themeable
|
|
*/
|
|
function theme_print_pdf_format_link() {
|
|
$print_pdf_link_class = variable_get('print_pdf_link_class', PRINT_PDF_LINK_CLASS_DEFAULT);
|
|
$print_pdf_content_disposition = variable_get('print_pdf_content_disposition', PRINT_PDF_CONTENT_DISPOSITION_DEFAULT);
|
|
$print_pdf_show_link = variable_get('print_pdf_show_link', PRINT_PDF_SHOW_LINK_DEFAULT);
|
|
$print_pdf_link_text = filter_xss(variable_get('print_pdf_link_text', t('PDF version')));
|
|
|
|
$img = drupal_get_path('module', 'print') .'/icons/pdf_icon.gif';
|
|
$title = t('Display a PDF version of this page.');
|
|
$class = strip_tags($print_pdf_link_class);
|
|
$new_window = ($print_pdf_content_disposition == 1);
|
|
$format = _print_format_link_aux($print_pdf_show_link, $print_pdf_link_text, $img);
|
|
|
|
return array('text' => $format['text'],
|
|
'html' => $format['html'],
|
|
'attributes' => print_fill_attributes($title, $class, $new_window),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Auxiliary function to display a formatted PDF version link
|
|
*
|
|
* Function made available so that developers may call this function from
|
|
* their defined pages/blocks.
|
|
*
|
|
* @param $path
|
|
* path of the original page (optional). If not specified, the current URL
|
|
* is used
|
|
* @param $node
|
|
* an optional node object, to be used in defining the path, if used, the
|
|
* path argument is irrelevant
|
|
* @return
|
|
* string with the HTML link to the printer-friendly page
|
|
*/
|
|
function print_pdf_insert_link($path = NULL, $node = NULL) {
|
|
if ($node !== NULL) {
|
|
$nid = $node->nid;
|
|
$path = 'node/'. $nid;
|
|
$allowed_type = print_pdf_link_allowed(array('node' => $node));
|
|
}
|
|
else {
|
|
if ($path === NULL) {
|
|
$nid = preg_replace('!^node/([\d]+)!', '$1', $_GET['q']);
|
|
$path = $_GET['q'];
|
|
}
|
|
else {
|
|
$nid = NULL;
|
|
}
|
|
$allowed_type = print_pdf_link_allowed(array('path' => $path));
|
|
}
|
|
|
|
if ($allowed_type) {
|
|
if ($nid !== NULL) {
|
|
if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
|
|
$path = 'book/export/html/'. $nid;
|
|
}
|
|
else {
|
|
if (variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
|
|
$path = $alias;
|
|
}
|
|
else {
|
|
$path = $nid;
|
|
}
|
|
}
|
|
$path = PRINTPDF_PATH .'/'. $path;
|
|
$query = print_query_string_encode($_GET, array('q'));
|
|
if (empty($query)) {
|
|
$query = NULL;
|
|
}
|
|
}
|
|
else {
|
|
$query = NULL;
|
|
}
|
|
drupal_add_css(drupal_get_path('module', 'print') .'/css/printlinks.css');
|
|
$format = theme('print_pdf_format_link');
|
|
return '<span class="print_pdf">'. l($format['text'], $path, array('attributes' => $format['attributes'], 'query' => $query, 'absolute' => TRUE, 'html' => $format['html'])) .'</span>';
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the link to the PDF version is allowed depending on the settings
|
|
*
|
|
* @param $args
|
|
* array containing the possible parameters:
|
|
* teaser, node, type, path
|
|
* @return
|
|
* FALSE if not allowed
|
|
* PRINT_ALLOW_NORMAL_LINK if a normal link is allowed
|
|
* PRINT_ALLOW_BOOK_LINK if a link is allowed in a book node
|
|
*/
|
|
function print_pdf_link_allowed($args) {
|
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
|
if ((!empty($args['teaser']) && !variable_get('print_pdf_link_teaser', PRINT_PDF_LINK_TEASER_DEFAULT))
|
|
|| !user_access('access PDF version') || (empty($print_pdf_pdf_tool))) {
|
|
// If the teaser link is disabled or the user is not allowed
|
|
return FALSE;
|
|
}
|
|
if (!empty($args['path'])) {
|
|
$nid = preg_replace('!^node/!', '', drupal_get_normal_path($args['path']));
|
|
if (ctype_digit($nid)) {
|
|
$args['node'] = node_load($nid);
|
|
}
|
|
}
|
|
if (!empty($args['node'])) {
|
|
static $node_type = FALSE;
|
|
|
|
$node = $args['node'];
|
|
if (isset($node->type)) {
|
|
$node_type = $node->type;
|
|
}
|
|
// Node
|
|
$print_pdf_node_link_visibility = variable_get('print_pdf_node_link_visibility', PRINT_PDF_NODE_LINK_VISIBILITY_DEFAULT);
|
|
$print_pdf_node_link_pages = variable_get('print_pdf_node_link_pages', PRINT_PDF_NODE_LINK_PAGES_DEFAULT);
|
|
|
|
if (!_print_page_match($print_pdf_node_link_visibility, "node/". $node->nid, $print_pdf_node_link_pages)) {
|
|
// Page not in visibility list
|
|
return FALSE;
|
|
}
|
|
elseif (isset($args['type']) && ($args['type'] == 'comment') && isset($node_type)) {
|
|
// Link is for a comment, return the configured setting
|
|
// Cache this statically to avoid duplicate queries for every comment.
|
|
static $res = array();
|
|
if (!isset($res[$node->nid])) {
|
|
$res[$node->nid] = db_fetch_object(db_query("SELECT comments FROM {print_pdf_node_conf} WHERE nid = %d", $node->nid));
|
|
}
|
|
$print_display_comment = ($res && ($res[$node->nid] !== FALSE)) ? intval($res[$node->nid]->comments) : variable_get('print_pdf_display_comment_'. $node_type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
|
|
if ($print_display_comment) {
|
|
return PRINT_ALLOW_NORMAL_LINK;
|
|
}
|
|
}
|
|
else {
|
|
// Node link
|
|
if (isset($node->print_pdf_display) && !$node->print_pdf_display) {
|
|
// Link for this node is disabled
|
|
return FALSE;
|
|
}
|
|
elseif (isset($node->book)) {
|
|
// Node is a book;
|
|
$print_pdf_book_link = variable_get('print_pdf_book_link', PRINT_PDF_BOOK_LINK_DEFAULT);
|
|
switch ($print_pdf_book_link) {
|
|
case 1:
|
|
if (user_access('access printer-friendly version')) {
|
|
return PRINT_ALLOW_BOOK_LINK;
|
|
}
|
|
break;
|
|
case 2:
|
|
return PRINT_ALLOW_NORMAL_LINK;
|
|
}
|
|
}
|
|
else {
|
|
return PRINT_ALLOW_NORMAL_LINK;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// 'System' page
|
|
$print_pdf_sys_link_visibility = variable_get('print_pdf_sys_link_visibility', PRINT_PDF_SYS_LINK_VISIBILITY_DEFAULT);
|
|
$print_pdf_sys_link_pages = variable_get('print_pdf_sys_link_pages', PRINT_PDF_SYS_LINK_PAGES_DEFAULT);
|
|
|
|
return _print_page_match($print_pdf_sys_link_visibility, $_GET['q'], $print_pdf_sys_link_pages);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Find out the version of the TCPDF library
|
|
*/
|
|
function _print_pdf_tcpdf_version() {
|
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
|
if (variable_get('print_pdf_autoconfig', PRINT_PDF_AUTOCONFIG_DEFAULT)) {
|
|
// prevent TCPDF default configs
|
|
define('K_TCPDF_EXTERNAL_CONFIG', TRUE);
|
|
}
|
|
require_once($print_pdf_pdf_tool);
|
|
|
|
// Hide warnings, as some TCPDF constants may still be undefined
|
|
if (class_exists('TCPDF')) {
|
|
@$pdf = new TCPDF();
|
|
|
|
if (class_exists('TCPDF_STATIC')) {
|
|
return TCPDF_STATIC::getTCPDFVersion();
|
|
}
|
|
elseif (method_exists($pdf, 'getTCPDFVersion')) {
|
|
return $pdf->getTCPDFVersion();
|
|
}
|
|
elseif (defined('PDF_PRODUCER')) {
|
|
sscanf(PDF_PRODUCER, "TCPDF %s", $version);
|
|
|
|
return $version;
|
|
}
|
|
}
|
|
return 'unknown';
|
|
}
|
|
|
|
/**
|
|
* Find out the version of the wkhtmltopdf library
|
|
*/
|
|
function _print_pdf_wkhtmltopdf_version() {
|
|
$print_pdf_pdf_tool = variable_get('print_pdf_pdf_tool', PRINT_PDF_PDF_TOOL_DEFAULT);
|
|
$descriptor = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
|
|
|
|
$cmd = '"'. realpath($print_pdf_pdf_tool) .'" --version';
|
|
$process = proc_open($cmd, $descriptor, $pipes, NULL, NULL);
|
|
if (is_resource($process)) {
|
|
$content = stream_get_contents($pipes[1]);
|
|
$out = preg_match('!.*?(\d+\.\d+\.\d+).*$!m', $content, $matches);
|
|
fclose($pipes[0]);
|
|
fclose($pipes[1]);
|
|
fclose($pipes[2]);
|
|
$retval = proc_close($process);
|
|
}
|
|
|
|
return ($matches[1]);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_views_api().
|
|
*/
|
|
function print_pdf_views_api() {
|
|
return array(
|
|
'api' => 2.0,
|
|
'path' => drupal_get_path('module', 'print_pdf'),
|
|
);
|
|
}
|