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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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* This is the core module of the PF package, with the Drupal hooks
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* and other administrative functions.
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*
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* @ingroup print
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*/
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define('PRINT_VIEW_MODE', 'print');
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define('PRINT_LOGO_OPTIONS_DEFAULT', 1);
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define('PRINT_LOGO_URL_DEFAULT', '');
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define('PRINT_FOOTER_OPTIONS_DEFAULT', 1);
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define('PRINT_FOOTER_USER_DEFAULT', '');
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define('PRINT_CSS_DEFAULT', '');
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define('PRINT_KEEP_THEME_CSS_DEFAULT', 0);
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define('PRINT_URLS_DEFAULT', 1);
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define('PRINT_URLS_ANCHORS_DEFAULT', 0);
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define('PRINT_COMMENTS_DEFAULT', 0);
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define('PRINT_NODE_ROUTER_DEFAULT', 0);
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define('PRINT_NEWWINDOW_DEFAULT', 1);
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define('PRINT_TYPE_URLLIST_DEFAULT', 1);
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define('PRINT_TYPE_SYS_URLLIST_DEFAULT', 0);
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define('PRINT_TYPE_LINK_TEXT_ENABLED_DEFAULT', 0);
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define('PRINT_HTML_NEW_WINDOW_DEFAULT', 0);
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define('PRINT_HTML_SENDTOPRINTER_DEFAULT', 0);
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define('PRINT_HTML_WINDOWCLOSE_DEFAULT', 1);
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define('PRINT_SOURCEURL_ENABLED_DEFAULT', 1);
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define('PRINT_SOURCEURL_DATE_DEFAULT', 0);
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define('PRINT_SOURCEURL_FORCENODE_DEFAULT', 0);
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define('PRINT_ROBOTS_NOINDEX_DEFAULT', 1);
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define('PRINT_ROBOTS_NOFOLLOW_DEFAULT', 1);
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define('PRINT_ROBOTS_NOARCHIVE_DEFAULT', 0);
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define('PRINT_LIB_PATH', 'sites/all/libraries');
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/**
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* Implements hook_print_link().
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*/
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function print_print_link() {
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return array(
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'format' => 'html',
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'text' => t('Printer-friendly version'),
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'description' => t('Display a printer-friendly version of this page.'),
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'path' => 'print',
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'class' => 'print-page',
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'icon' => 'print_icon.png',
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'module' => 'print',
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);
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}
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/**
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* Implements hook_print_new_window_alter().
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*/
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function print_print_new_window_alter(&$new_window, $format) {
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$new_window = variable_get('print_html_new_window', PRINT_HTML_NEW_WINDOW_DEFAULT);
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}
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/**
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* Implements hook_permission().
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*/
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function print_permission() {
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return array(
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'administer print' => array(
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'title' => t('Administer the module'),
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'description' => t('Perform maintenance tasks for the print module.'),
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),
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'access print' => array(
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'title' => t('Access the printer-friendly page'),
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'description' => t('View the printer-friendly pages 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_theme() {
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return array(
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'print' => array(
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'variables' => array(
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'node' => NULL,
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'query' => NULL,
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'format' => '',
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'expand_css' => FALSE,
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'message' => '',
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),
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'template' => 'print',
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'file' => 'print.pages.inc',
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),
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'print_published' => array(
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'variables' => array(),
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'file' => 'print.pages.inc',
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),
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'print_breadcrumb' => array(
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'variables' => array('node' => NULL),
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'file' => 'print.pages.inc',
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),
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'print_footer' => array(
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'variables' => array(),
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'file' => 'print.pages.inc',
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),
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'print_sourceurl' => array(
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'variables' => array('url' => '', 'node' => NULL, 'cid' => NULL),
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'file' => 'print.pages.inc',
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),
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'print_url_list' => array(
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'variables' => array(),
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'file' => 'print.pages.inc',
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),
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);
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}
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/**
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* Implements hook_preprocess_HOOK().
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*/
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function print_preprocess_node(&$variables) {
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if (($variables['elements']['#view_mode'] == PRINT_VIEW_MODE) && isset($variables['elements']['#print_format'])) {
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$type = $variables['elements']['#node']->type;
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$format = $variables['elements']['#print_format'];
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$nid = $variables['elements']['#node']->nid;
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$variables['theme_hook_suggestions'][] = "node__print";
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$variables['theme_hook_suggestions'][] = "node__print__{$format}";
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$variables['theme_hook_suggestions'][] = "node__print__{$format}__node__{$type}";
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$variables['theme_hook_suggestions'][] = "node__print__{$format}__node__{$nid}";
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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_menu() {
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$link = print_print_link();
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$items = array();
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$items[$link['path']] = array(
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'title' => 'Printer-friendly',
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'page callback' => 'print_controller_html',
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'access arguments' => array('access print'),
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'type' => MENU_CALLBACK,
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'file' => 'print.pages.inc',
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);
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$items[$link['path'] . '/' . $link['path']] = array(
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'access callback' => FALSE,
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);
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$items['admin/config/user-interface/print'] = array(
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'title' => 'Printer, email and PDF versions',
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'description' => 'Adds a printer-friendly version link to content and administrative pages.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('print_html_settings'),
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'access arguments' => array('administer print'),
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'file' => 'print.admin.inc',
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);
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$items['admin/config/user-interface/print/html'] = array(
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'title' => 'Web page',
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'weight' => 1,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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$items['admin/config/user-interface/print/common'] = array(
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'title' => 'Settings',
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'description' => 'Settings for the common functionalities for all the print sub-modules.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('print_main_settings'),
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'access arguments' => array('administer print'),
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'weight' => 10,
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'type' => MENU_LOCAL_TASK,
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'file' => 'print.admin.inc',
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);
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return $items;
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}
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/**
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* Implements hook_variable_info().
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*/
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function print_variable_info($options) {
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$link = print_print_link();
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$variable['print_html_link_text'] = array(
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'title' => t('Printer-friendly version'),
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'description' => t('Text used in the link to the printer-friendly version.'),
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'type' => 'string',
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'default' => t($link['text']),
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);
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return $variable;
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}
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/**
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* Implements hook_block_info().
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*/
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function print_block_info() {
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$block['print-top']['info'] = t('Most printed');
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$block['print-top']['cache'] = DRUPAL_CACHE_GLOBAL;
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return $block;
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}
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/**
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* Implements hook_block_view().
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*/
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function print_block_view($delta = '') {
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$block = array();
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switch ($delta) {
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case 'print-top':
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$block['subject'] = t('Most printed');
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$result = db_query_range("SELECT path FROM {print_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($result)) {
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$items = array();
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foreach ($result as $obj) {
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$items[] = l(_print_get_title($obj->path), $obj->path);
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}
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$block['content'] = theme('item_list', array('items' => $items, 'type' => 'ul'));
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}
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break;
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}
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return $block;
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}
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/**
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* Implements hook_help().
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*/
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function print_help($path, $arg) {
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$ret = '';
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switch ($path) {
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case 'admin/help#print':
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// Return a line-break version of the module README.
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$ret = _filter_autop(file_get_contents(drupal_get_path('module', 'print') . '/README.txt'));
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}
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return $ret;
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}
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/**
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* Implements hook_node_delete().
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*/
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function print_node_delete($node) {
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db_delete('print_page_counter')
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->condition('path', 'node/' . $node->nid)
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->execute();
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}
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/**
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* Implements hook_entity_info_alter().
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*/
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function print_entity_info_alter(&$info) {
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// Add the 'Print' view mode for nodes.
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$info['node']['view modes'] += array(
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PRINT_VIEW_MODE => array(
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'label' => t('Print'),
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'custom settings' => FALSE,
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),
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);
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// Add the 'Print' view mode for field_collections.
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if (module_exists('field_collection')) {
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$info['field_collection_item']['view modes'] += array(
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PRINT_VIEW_MODE => array(
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'label' => t('Print'),
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'custom settings' => FALSE,
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),
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);
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}
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}
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/**
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* Auxiliary function to discover a given page's title.
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*
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* @param string $path
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* Path of the page being identified.
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*
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* @return string
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* string with the page's title
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*/
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function _print_get_title($path) {
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$path = drupal_get_normal_path($path);
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$nid = preg_replace('!^node/!', '', $path);
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if (ctype_digit($nid)) {
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return db_query("SELECT title FROM {node} WHERE nid = :nid", array(':nid' => $nid))
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->fetchField();
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}
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else {
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// Not a node, try to get title from the menu system.
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$menu_item = menu_get_item($path);
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if (!empty($menu_item['title'])) {
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return $menu_item['title'];
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}
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elseif (drupal_substr($menu_item['page_callback'], 0, 6) == 'views_') {
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// It's a view, load the view to have access to the title.
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$view = views_get_view($menu_item['page_arguments']['0']);
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return $view->get_title();
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}
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else {
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return NULL;
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}
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}
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}
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306
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307
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/**
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* Auxiliary function to display a formatted Printer-friendly link.
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*
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* Function made available so that developers may call this function from
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* their defined pages/blocks.
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*
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* @param string $path
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* path to be used in the link. If not specified, the current URL is used.
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* @param object $node
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* node object, to be used in checking node access. If the path argument is
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* not provided, the path used will be node/nid.
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* @param string $location
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* Where in the page where the link is being inserted ('link', 'corner',
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* 'block', 'help').
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*
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* @return string
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* HTML link to the printer-friendly page
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*
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325
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* @ingroup print_api
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*/
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function print_insert_link($path = NULL, $node = NULL, $location = '') {
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if (function_exists('print_ui_insert_link')) {
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return print_ui_insert_link(print_print_link(), array(
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'path' => $path,
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'node' => $node,
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'location' => $location,
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));
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}
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else {
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return FALSE;
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}
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}
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339
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340
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/**
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341
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* Check if the link to the PF version is allowed depending on the settings.
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342
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*
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343
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* @param array $args
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344
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* Array containing the possible parameters:
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345
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* view_mode, node, type, path.
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346
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*
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* @return bool
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348
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* FALSE if not allowed, TRUE otherwise
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349
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*/
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350
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function print_link_allowed($args) {
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351
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return (user_access('access print'));
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}
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353
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354
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/**
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355
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* Implements hook_contextual_links_view_alter().
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*/
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357
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function print_contextual_links_view_alter(&$element, $items) {
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358
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// Hide all contextual links.
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359
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if (preg_match('!^print!', $_GET['q'])) {
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unset($element['#links']);
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}
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}
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363
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/**
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365
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* Implements hook_views_api().
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366
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*/
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367
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function print_views_api() {
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368
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return array(
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369
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'api' => 2.0,
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370
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'path' => drupal_get_path('module', 'print'),
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);
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}
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