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<?php
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/**
* @defgroup print Printer, e-mail and PDF versions
*
* Welcome to the print module developer's documentation. The interesting
* functions for themers are those that start with 'theme_'.
*
* - Printer-friendly pages
* - @link print.module Module main file @endlink
* - @link print.admin.inc Settings form @endlink
* - @link print.pages.inc HTML generation @endlink
* - @link print.install (Un)Install routines @endlink
* - @link print.tpl.php Page generation template @endlink
* - Send by e-mail
* - @link print_mail.module Module main file @endlink
* - @link print_mail.admin.inc Settings form @endlink
* - @link print_mail.inc Mail form and send mail routine @endlink
* - @link print_mail.install (Un)Install routines @endlink
* - PDF version
* - @link print_pdf.module Module main file @endlink
* - @link print_pdf.admin.inc Settings form @endlink
* - @link print_pdf.pages.inc PDF generation @endlink
* - @link print_pdf.class.inc Auxiliary PHP5 class @endlink
* - @link print_pdf.class_php4.inc Auxiliary PHP4 class @endlink
* - @link print_pdf.install (Un)Install routines @endlink
*/
/**
* @file
* Displays Printer-friendly versions of Drupal pages.
*
* This is the core module of the PF package, with the Drupal hooks
* and other administrative functions.
define('PRINT_PATH', 'print');
define('PRINT_LOGO_OPTIONS_DEFAULT', 1);
define('PRINT_LOGO_URL_DEFAULT', '');
define('PRINT_FOOTER_OPTIONS_DEFAULT', 1);
define('PRINT_FOOTER_USER_DEFAULT', '');
define('PRINT_CSS_DEFAULT', '');
define('PRINT_URLS_DEFAULT', 1);
define('PRINT_URLS_ANCHORS_DEFAULT', 0);
define('PRINT_COMMENTS_DEFAULT', 0);
define('PRINT_NEWWINDOW_DEFAULT', 1);
define('PRINT_HTML_LINK_POS_DEFAULT', 'link');
define('PRINT_HTML_LINK_TEASER_DEFAULT', 0);
define('PRINT_HTML_SHOW_LINK_DEFAULT', 1);
define('PRINT_HTML_NODE_LINK_VISIBILITY_DEFAULT', 0);
define('PRINT_HTML_NODE_LINK_PAGES_DEFAULT', '');
define('PRINT_HTML_LINK_CLASS_DEFAULT', 'print-page');
define('PRINT_HTML_SYS_LINK_VISIBILITY_DEFAULT', 1);
define('PRINT_HTML_SYS_LINK_PAGES_DEFAULT', '');
define('PRINT_HTML_LINK_USE_ALIAS_DEFAULT', 0);
define('PRINT_HTML_BOOK_LINK_DEFAULT', 1);
define('PRINT_HTML_NEW_WINDOW_DEFAULT', 0);
define('PRINT_HTML_SENDTOPRINTER_DEFAULT', 0);
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define('PRINT_HTML_WINDOWCLOSE_DEFAULT', 1);
define('PRINT_SOURCEURL_ENABLED_DEFAULT', 1);
define('PRINT_SOURCEURL_DATE_DEFAULT', 0);
define('PRINT_SOURCEURL_FORCENODE_DEFAULT', 0);
define('PRINT_ROBOTS_NOINDEX_DEFAULT', 1);
define('PRINT_ROBOTS_NOFOLLOW_DEFAULT', 1);
define('PRINT_ROBOTS_NOARCHIVE_DEFAULT', 0);
define('PRINT_TYPE_SHOW_LINK_DEFAULT', 1);
define('PRINT_TYPE_COMMENT_LINK_DEFAULT', 0);
define('PRINT_TYPE_URLLIST_DEFAULT', 1);
define('PRINT_ALLOW_NORMAL_LINK', 1);
define('PRINT_ALLOW_BOOK_LINK', 2);
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define('PRINT_TYPE_FIELDS_WEIGHT', 30);
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/**
* Implements hook_permission().
function print_permission() {
'administer print' => array(
'title' => t('Administer the module'),
'description' => t('Perform maintenance tasks for the print module.'),
),
'node-specific print configuration' => array(
'title' => t('Node-specific configuration'),
'description' => t('Enable access to the per-node settings.'),
),
'access print' => array(
'title' => t('Access the printer-friendly page'),
'description' => t('View the printer-friendly pages and the links to them in the original pages.'),
),
* Implements hook_theme().
*/
function print_theme() {
return array(
'print_format_link' => array(
'variables' => array(),
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'print_node' => array(
'variables' => array('node' => NULL, 'teaser' => FALSE, 'page' => FALSE, 'type' => PRINT_HTML_FORMAT),
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'template' => 'print_node',
),
'print_page' => array(
'variables' => array('print' => array(), 'type' => PRINT_HTML_FORMAT, 'node' => NULL),
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'template' => 'print',
),
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/**
* Clones the node theme registry for print_node so that it works with existing node templates
*/
function print_theme_registry_alter(&$theme_registry) {
// $theme_registry['print_node']['theme path'] += $theme_registry['node']['theme path'];
// $theme_registry['print_page']['theme path'] += $theme_registry['page']['theme path'];
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/**
* Renders the content of the node using the theme api
*/
function print_preprocess_print_node(&$variables) {
$format = $variables['type'];
$type = $variables['node']->type;
template_preprocess_node($variables);
$variables['theme_hook_suggestions'][] = "node";
$variables['theme_hook_suggestions'][] = "node__$type";
$variables['theme_hook_suggestions'][] = "print_node";
$variables['theme_hook_suggestions'][] = "print_node_$format";
$variables['theme_hook_suggestions'][] = "print_node_$format.node__$type";
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/**
* Renders the print page, where the node content gets embedded
*/
function print_preprocess_print_page(&$variables) {
$format = $variables['type'];
$type = $variables['node']->type;
$variables['show_blocks'] = FALSE;
$variables['show_messages'] = FALSE;
template_preprocess_page($variables);
$variables['theme_hook_suggestions'][] = "print";
$variables['theme_hook_suggestions'][] = "print.node__$type";
$variables['theme_hook_suggestions'][] = "print_$format";
$variables['theme_hook_suggestions'][] = "print_$format.node__$type";
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* Implements hook_menu().
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*/
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$items = array();
$items[PRINT_PATH] = array(
'title' => 'Printer-friendly',
'access arguments' => array('access print'),
'file' => 'print.pages.inc',
$items[PRINT_PATH . '/' . PRINT_PATH] = array(
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'access callback' => FALSE,
$items['admin/config/print'] = array(
'title' => 'Printer, e-mail and PDF versions',
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'description' => 'Adds a printer-friendly version link to content and administrative pages.',
'page callback' => 'drupal_get_form',
'page arguments' => array('print_html_settings'),
'access arguments' => array('administer print'),
'file' => 'print.admin.inc',
$items['admin/config/print/html'] = array(
$items['admin/config/print/html/options'] = array(
'title' => 'Options',
'weight' => 1,
'type' => MENU_DEFAULT_LOCAL_TASK,
);
$items['admin/config/print/html/strings'] = array(
'title' => 'Text strings',
'page callback' => 'drupal_get_form',
'page arguments' => array('print_html_strings_settings'),
'access arguments' => array('administer print'),
'weight' => 2,
'type' => MENU_LOCAL_TASK,
'file' => 'print.admin.inc',
);
$items['admin/config/print/common'] = array(
'title' => 'Settings',
'page callback' => 'drupal_get_form',
'page arguments' => array('print_main_settings'),
'access arguments' => array('administer print'),
'file' => 'print.admin.inc',
$items['admin/config/print/common/options'] = array(
'title' => 'Options',
'weight' => 1,
'type' => MENU_DEFAULT_LOCAL_TASK,
);
$items['admin/config/print/common/strings'] = array(
'title' => 'Text strings',
'page callback' => 'drupal_get_form',
'page arguments' => array('print_main_strings_settings'),
'access arguments' => array('administer print'),
'weight' => 2,
'type' => MENU_LOCAL_TASK,
'file' => 'print.admin.inc',
);
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return $items;
}
* Implements hook_block_info().
function print_block_info() {
$block['print-links']['info'] = t('Printer, e-mail and PDF versions');
$block['print-links']['cache'] = DRUPAL_CACHE_PER_PAGE;
$block['print-top']['info'] = t('Most printed');
$block['print-top']['cache'] = DRUPAL_CACHE_GLOBAL;
* Implements hook_block_view().
function print_block_view($delta = '') {
$nid = preg_replace('!^node/!', '', $_GET['q']);
if (is_numeric($nid)) {
}
else {
$node = NULL;
}
$funcs = get_defined_functions();
$block['content'] = '';
foreach ($funcs['user'] as $func) {
if (preg_match('!^print.*?_insert_link$!', $func)) {
$link = $func(NULL, $node);
if (!empty($link)) {
$block['content'] .= $link;
$block['subject'] = t('Most printed');
$result = db_query_range("SELECT path FROM {print_page_counter} ORDER BY totalcount DESC", 0, 3)
->fetchAll();
if (count($result)) {
$block['content'] = '<div class="item-list"><ul>';
foreach ($result as $obj) {
$block['content'] .= '<li>' . l(_print_get_title($obj->path), $obj->path) . '</li>';
}
$block['content'] .= '</ul></div>';
}
break;
* Implements hook_link_alter().
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function print_link_alter(array &$links, $node) {
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foreach ($links as $module => $link) {
if (strpos($module, 'book_printer') !== FALSE) {
$print_html_book_link = variable_get('print_html_book_link', PRINT_HTML_BOOK_LINK_DEFAULT);
if ($print_html_book_link) {
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$print_html_link_pos = variable_get('print_html_link_pos', array(PRINT_HTML_LINK_POS_DEFAULT => PRINT_HTML_LINK_POS_DEFAULT));
if (!empty($print_html_link_pos['link'])) {
switch ($print_html_book_link) {
case 1:
$path = $link['href'];
break;
case 2:
$print_html_link_use_alias = variable_get('print_html_link_use_alias', PRINT_HTML_LINK_USE_ALIAS_DEFAULT);
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$path = ($print_html_link_use_alias && isset($node->path)) ? $node->path : $node->nid;
break;
}
$links[$module] = array(
'title' => $format['text'],
'attributes' => $format['attributes'],
'html' => $format['html'],
);
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}
else {
unset($links[$module]);
}
* Implements hook_help().
*/
function print_help($path, $arg) {
switch ($path) {
case 'admin/help#print':
// Return a line-break version of the module README
return _filter_autop(file_get_contents(drupal_get_path('module', 'print') . '/README.txt'));
$print_html_link_pos = variable_get('print_html_link_pos', array(PRINT_HTML_LINK_POS_DEFAULT => PRINT_HTML_LINK_POS_DEFAULT));
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if (($path !== 'node/%') && !(empty($print_html_link_pos['link']) && empty($print_html_link_pos['corner']))) {
static $output = FALSE;
if ($output === FALSE) {
$output = TRUE;
$link = print_insert_link();
if ($link) {
return "<span class='print-syslink'>$link</span>";
}
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}
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/**
* Implements hook_node_view().
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*/
function print_node_view($node, $view_mode) {
$print_html_link_pos = variable_get('print_html_link_pos', array(PRINT_HTML_LINK_POS_DEFAULT => PRINT_HTML_LINK_POS_DEFAULT));
$print_html_link_use_alias = variable_get('print_html_link_use_alias', PRINT_HTML_LINK_USE_ALIAS_DEFAULT);
$allowed_type = print_link_allowed(array('type' => 'node', 'node' => $node, 'teaser' => ($view_mode == 'teaser')));
if (($allowed_type === PRINT_ALLOW_NORMAL_LINK) && !isset($node->book) && !empty($print_html_link_pos['link'])) {
drupal_add_css(drupal_get_path('module', 'print') . '/css/printlinks.css');
$links = array();
$format = theme('print_format_link');
$query_arr = $_GET;
if ('node' == 'comment') {
$query_arr['comment'] = $node->cid;
}
$query = print_query_string_encode($query_arr, array('q'));
if (empty($query)) $query = NULL;
if ($print_html_link_use_alias) {
}
else {
$path = $node->nid;
}
$links['print_html'] = array(
'title' => $format['text'],
'attributes' => $format['attributes'],
'html' => $format['html'],
'query' => $query,
);
$node->content['links']['print_html'] = array(
'#theme' => 'links',
'#links' => $links,
'#attributes' => array('class' => array('links', 'inline')),
if ($view_mode == 'full') {
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$node->content['print_links'] = array(
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'#prefix' => '<span class="print-link">',
'#markup' => '',
'#suffix' => '</span>',
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'#weight' => -101,
);
if (!empty($print_html_link_pos['corner'])) {
$node->content['print_links']['#markup'] .= print_insert_link(NULL, $node);
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}
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* Implements hook_node_load().
function print_node_load($nodes, $types) {
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foreach ($nodes as $node) {
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}
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/**
* Implements hook_node_insert().
*/
function print_node_insert($node) {
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if (user_access('administer print') || user_access('node-specific print configuration')) {
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if ($node->print_display === NULL) $node->print_display = variable_get('print_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
if ($node->print_display_comment === NULL) $node->print_display_comment = variable_get('print_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
if ($node->print_display_urllist === NULL) $node->print_display_urllist = variable_get('print_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
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_print_node_conf_modify($node->nid, $node->print_display, $node->print_display_comment, $node->print_display_urllist);
}
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* Implements hook_node_update().
function print_node_update($node) {
if (user_access('administer print') || user_access('node-specific print configuration')) {
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if ($node->print_display === NULL) $node->print_display = variable_get('print_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
if ($node->print_display_comment === NULL) $node->print_display_comment = variable_get('print_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
if ($node->print_display_urllist === NULL) $node->print_display_urllist = variable_get('print_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
_print_node_conf_modify($node->nid, $node->print_display, $node->print_display_comment, $node->print_display_urllist);
}
* Implements hook_node_delete().
function print_node_delete($node) {
db_delete('print_node_conf')
->condition('nid', $node->nid)
->execute();
db_delete('print_page_counter')
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->condition('path', 'node/' . $node->nid)
* Implements hook_form_alter().
function print_form_alter(&$form, &$form_state, $form_id) {
// Add the node-type settings option to activate the printer-friendly version link
if ((user_access('administer print') || user_access('node-specific print configuration')) &&
(($form_id == 'node_type_form') || !empty($form['#node_edit_form']))) {
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$form['print'] = array(
'#type' => 'fieldset',
'#title' => t('Printer, e-mail and PDF versions'),
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'#collapsible' => TRUE,
'#collapsed' => TRUE,
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'#weight' => (function_exists('cck_extra_field_weight') && isset($form['type'])) ? cck_extra_field_weight($form['type']['#value'], 'print') : PRINT_TYPE_FIELDS_WEIGHT,
'#group' => 'additional_settings',
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);
$form['print']['label'] = array(
'#type' => 'markup',
'#markup' => '<p><strong>' . t('Printer-friendly version') . '</strong></p>',
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$form['print']['print_display'] = array(
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$form['print']['print_display_comment'] = array(
'#title' => t('Show link in individual comments'),
);
$form['print']['print_display_urllist'] = array(
'#type' => 'checkbox',
'#title' => t('Show Printer-friendly URLs list'),
if ($form_id == 'node_type_form') {
$form['print']['print_display']['#default_value'] = variable_get('print_display_' . $form['#node_type']->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
$form['print']['print_display_comment']['#default_value'] = variable_get('print_display_comment_' . $form['#node_type']->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
$form['print']['print_display_urllist']['#default_value'] = variable_get('print_display_urllist_' . $form['#node_type']->type, PRINT_TYPE_URLLIST_DEFAULT);
$node = $form['#node'];
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$form['print']['print_display']['#default_value'] = isset($node->print_display) ? $node->print_display : variable_get('print_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
$form['print']['print_display_comment']['#default_value'] = isset($node->print_display_comment) ? $node->print_display_comment : variable_get('print_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
$form['print']['print_display_urllist']['#default_value'] = isset($node->print_display_urllist) ? $node->print_display_urllist : variable_get('print_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
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/**
* Implements hook_cck_extra_fields().
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*/
function print_cck_extra_fields($type_name) {
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$fields['print'] = array(
'label' => t('Printer, e-mail and PDF versions'),
'description' => t('Print module form.'),
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'weight' => PRINT_TYPE_FIELDS_WEIGHT,
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);
return $fields;
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* Implements hook_field_build_modes().
function print_field_build_modes() {
return array(
'print' => array(
'title' => t('Print'),
'build modes' => array(
'print' => array(
'title' => t('Print'),
'views style' => TRUE,
),
),
),
);
/**
* Auxiliary function to assign the per-node settings to the node object fields
*
* @param $node
* node to be modified
*/
function _print_set_node_fields(&$node) {
if (isset($node->nid)) {
$res = db_query("SELECT link, comments, url_list FROM {print_node_conf} WHERE nid = :nid", array(':nid' => $node->nid))
}
else {
$res = FALSE;
}
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$node->print_display = $res ? intval($res->link) : variable_get('print_display_' . $node->type, PRINT_TYPE_SHOW_LINK_DEFAULT);
$node->print_display_comment = $res ? intval($res->comments) : variable_get('print_display_comment_' . $node->type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
$node->print_display_urllist = $res ? intval($res->url_list) : variable_get('print_display_urllist_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
}
/**
* Auxiliary function to discover a given page's title
*
* @param $path
* path of the page being identified
* @return
* string with the page's title
*/
function _print_get_title($path) {
$path = drupal_get_normal_path($path);
$nid = preg_replace('!^node/!', '', $path);
if (is_numeric($nid)) {
$res = db_query("SELECT title FROM {node} WHERE nid = :nid", array(':nid' => $nid))
}
else {
$res = db_query("SELECT link_title FROM {menu_links} WHERE link_path = :link_path", array(':link_path' => $path))
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}
return $res;
}
/**
* Update the print_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 $url_list
* value of the url_list field (0 or 1)
*/
function _print_node_conf_modify($nid, $link, $comments, $url_list) {
db_merge('print_node_conf')
->key(array('nid' => $nid))
->fields(array(
'link' => $link,
'comments' => $comments,
'url_list' => $url_list,
))
->execute();
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}
* Auxiliary function to fill the Printer-friendly link attributes
* @param $title
* text to displayed by the link when hovering over it with the mouse
* @param $class
* class attribute to be used in the link
* @param $new_window
* if TRUE opens the target page in a new window
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function print_fill_attributes($title = '', $class = '', $new_window = FALSE) {
$print_newwindow = variable_get('print_newwindow', PRINT_NEWWINDOW_DEFAULT);
$print_robots_noindex = variable_get('print_robots_noindex', PRINT_ROBOTS_NOINDEX_DEFAULT);
$attributes = array();
$attributes['title'] = $title;
if (!empty($class)) {
}
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if ($new_window) {
switch ($print_newwindow) {
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case 0:
$attributes['target'] = '_blank';
break;
case 1:
$attributes['onclick'] = 'window.open(this.href); return false';
break;
}
if (!empty($print_robots_noindex)) {
/**
* Auxiliary function to set the link text and html flag
*
* @param $type
* type of link: 0 or 1 for a text-only link, 2 for icon-only and 3 for
* both text and icon
* @param $text
* text to be displayed on the link to the printer-friendly page
* @param $img
* path to the icon file
* @return
* array with the link text and html flag
*/
function _print_format_link_aux($type = 0, $text = '', $img = '') {
if ($type >= 2) {
$html = TRUE;
switch ($type) {
case 2:
$text = theme('image', array('path' => $img, 'alt' => $text, 'title' => $text, 'attributes' => array('class' => array('print-icon'))));
$text = theme('image', array('path' => $img, 'alt' => $text, 'title' => $text, 'attributes' => array('class' => array('print-icon', 'print-icon-margin')))) . $text;
break;
}
}
else {
$html = FALSE;
}
return array('text' => $text,
'html' => $html,
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);
/**
* Format the Printer-friendly link
*
* @return
* array of formatted attributes
* @ingroup themeable
*/
$print_html_link_class = variable_get('print_html_link_class', PRINT_HTML_LINK_CLASS_DEFAULT);
$print_html_new_window = variable_get('print_html_new_window', PRINT_HTML_NEW_WINDOW_DEFAULT);
$print_html_show_link = variable_get('print_html_show_link', PRINT_HTML_SHOW_LINK_DEFAULT);
$print_html_link_text = filter_xss(variable_get('print_html_link_text', t('Printer-friendly version')));
$img = drupal_get_path('module', 'print') . '/icons/print_icon.gif';
$title = t('Display a printer-friendly version of this page.');
$class = strip_tags($print_html_link_class);
$new_window = $print_html_new_window;
$format = _print_format_link_aux($print_html_show_link, $print_html_link_text, $img);
return array('text' => $format['text'],
'html' => $format['html'],
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'attributes' => print_fill_attributes($title, $class, $new_window),
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);
* Auxiliary function to display a formatted Printer-friendly 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
* @param $node
* an optional node object, to be used in defining the path, if used, the
* path argument is irrelevant
* @return
* string with the HTML link to the printer-friendly page
function print_insert_link($path = NULL, $node = NULL) {
if ($node !== NULL) {
$nid = $node->nid;
$allowed_type = print_link_allowed(array('node' => $node));
}
else {
$nid = preg_replace('!^node/!', '', $_GET['q']);
$path = $_GET['q'];
}
else {
$nid = NULL;
}
$allowed_type = print_link_allowed(array('path' => $path));
}
if ($allowed_type) {
if ($nid !== NULL) {
if ($allowed_type === PRINT_ALLOW_BOOK_LINK) {
if (variable_get('print_html_link_use_alias', PRINT_HTML_LINK_USE_ALIAS_DEFAULT)) {
$path = drupal_get_path_alias($path);
}
else {
$path = $nid;
}
$query = print_query_string_encode($_GET, array('q'));
drupal_add_css(drupal_get_path('module', 'print') . '/css/printlinks.css');
return '<span class="print_html">' . l($format['text'], $path, array('attributes' => $format['attributes'], 'query' => $query, 'absolute' => TRUE, 'html' => $format['html'])) . '</span>';
else {
return FALSE;
}
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}
/**
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* Determine if the provided page is enabled according to the visibility settings
*
* @param $visibility
* current visibility settings:
* 0 for show on every page except the listed pages
* 1 for show on only the listed pages
* @param $pages
* list of pages
* @return
* TRUE if it is enabled, FALSE otherwise
*/
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function _print_page_match($visibility, $path, $pages) {
if ($pages) {
if (module_exists('php')) {
return php_eval($pages);
}
else {
return FALSE;
}
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$alias = drupal_get_path_alias($path);
$page_match = drupal_match_path($path, $pages);
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if ($alias != $path) {
$page_match = $page_match || drupal_match_path($alias, $pages);
}
return !($visibility xor $page_match);
}
else {
return !$visibility;
}
}
/**
* Determine a the link to the PF version is allowed depending on all possible settings
*
* @param $args
* array containing the possible parameters:
* teaser, node, type, path
* @return
* FALSE if not allowed
* PRINT_ALLOW_NORMAL_LINK if a normal link is allowed
* PRINT_ALLOW_BOOK_LINK if a link is allowed in a book node
*/
function print_link_allowed($args) {
if ((!empty($args['teaser']) && !variable_get('print_html_link_teaser', PRINT_HTML_LINK_TEASER_DEFAULT))
|| !user_access('access print')) {
// If the teaser link is disabled or the user is not allowed
if (!empty($args['path'])) {
$nid = preg_replace('!^node/!', '', drupal_get_normal_path($args['path']));
if (is_numeric($nid)) {
static $node_type = '';
if (isset($node->type)) {
$node_type = $node->type;
}
// Node
$print_html_node_link_visibility = variable_get('print_html_node_link_visibility', PRINT_HTML_NODE_LINK_VISIBILITY_DEFAULT);
$print_html_node_link_pages = variable_get('print_html_node_link_pages', PRINT_HTML_NODE_LINK_PAGES_DEFAULT);
if (!_print_page_match($print_html_node_link_visibility, "node/" . $node->nid, $print_html_node_link_pages)) {
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// Page not in visibility list
elseif (isset($args['type']) && ($args['type'] == 'comment') && isset($node_type)) {
// Link is for a comment, return the configured setting
$res = db_query("SELECT comments FROM {print_node_conf} WHERE nid = :nid", array(':nid' => $node->nid))
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$print_display_comment = $res ? intval($res->comments) : variable_get('print_display_comment_' . $node_type, PRINT_TYPE_COMMENT_LINK_DEFAULT);
if ($print_display_comment) {
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if (!$node->print_display) {
// Link for this node is disabled
elseif (isset($node->book)) {
// Node is a book;
$print_html_book_link = variable_get('print_html_book_link', PRINT_HTML_BOOK_LINK_DEFAULT);
switch ($print_html_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_html_sys_link_visibility = variable_get('print_html_sys_link_visibility', PRINT_HTML_SYS_LINK_VISIBILITY_DEFAULT);
$print_html_sys_link_pages = variable_get('print_html_sys_link_pages', PRINT_HTML_SYS_LINK_PAGES_DEFAULT);
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return _print_page_match($print_html_sys_link_visibility, $_GET['q'], $print_html_sys_link_pages);
/**
* Parse an array into a valid urlencoded query string.
* Modified from drupal_query_string_encode to prevent re-encoding of
* encoded original.
*
* @param $query
* The array to be processed e.g. $_GET
* @param $exclude
* The array filled with keys to be excluded.
* @return
* urlencoded string which can be appended to/as the URL query string
*/
function print_query_string_encode($query, $exclude = array(), $parent = '') {
$params = array();
foreach ($query as $key => $value) {
if (in_array($key, $exclude)) {
continue;
}
if (is_array($value)) {
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$params[] = print_query_string_encode($value, $exclude, $key);
return implode('&', $params);
}