print_ui.module in Printer, email and PDF versions 7.2
Printer-friendly pages User Interface module.
This module handles the display of the printer-friendly sub-module links.
File
print_ui/print_ui.moduleView source
<?php
/**
* @file
* Printer-friendly pages User Interface module.
*
* This module handles the display of the printer-friendly sub-module links.
*
* @ingroup print
*/
define('PRINT_UI_LINK_POS_DEFAULT', '{ "link": "link", "block": "block", "help": "help" }');
define('PRINT_UI_LINK_TEASER_DEFAULT', 0);
define('PRINT_UI_SHOW_LINK_DEFAULT', 1);
define('PRINT_UI_SYS_LINK_VISIBILITY_DEFAULT', 1);
define('PRINT_UI_SYS_LINK_PAGES_DEFAULT', '');
define('PRINT_UI_LINK_USE_ALIAS_DEFAULT', 0);
define('PRINT_UI_BOOK_LINK_DEFAULT', 1);
define('PRINT_UI_ALLOW_NORMAL_LINK', 1);
define('PRINT_UI_ALLOW_BOOK_LINK', 2);
define('PRINT_UI_TYPE_FIELDS_WEIGHT', 30);
define('PRINT_UI_TYPE_SHOW_LINK_DEFAULT', 1);
define('PRINT_UI_TYPE_COMMENT_LINK_DEFAULT', 0);
/**
* Implements hook_permission().
*/
function print_ui_permission() {
return array(
'node-specific print configuration' => array(
'title' => t('Node-specific configuration'),
'description' => t('Enable access to the per-node settings.'),
),
);
}
/**
* Implements hook_theme().
*/
function print_ui_theme() {
return array(
'print_ui_format_link' => array(
'variables' => array(
'format' => '',
'location' => '',
),
),
'print_ui_settings' => array(
'render element' => 'form',
'file' => 'print_ui.admin.inc',
),
);
}
/**
* Implements hook_menu().
*/
function print_ui_menu() {
$items = array();
$items['admin/config/user-interface/print/ui'] = array(
'title' => 'Links',
'description' => 'Configure the print module links.',
'page callback' => 'drupal_get_form',
'page arguments' => array(
'print_ui_settings',
),
'access arguments' => array(
'administer print',
),
'weight' => 9,
'type' => MENU_LOCAL_TASK,
'file' => 'print_ui.admin.inc',
);
return $items;
}
/**
* Implements hook_block_info().
*/
function print_ui_block_info() {
$block['print-links']['info'] = t('Printer, email and PDF versions');
$block['print-links']['cache'] = DRUPAL_CACHE_PER_PAGE;
return $block;
}
/**
* Implements hook_block_view().
*/
function print_ui_block_view($delta = '') {
$block = array();
switch ($delta) {
case 'print-links':
$nid = preg_replace('!^node/!', '', $_GET['q']);
if (ctype_digit($nid)) {
$node = node_load($nid);
if (!node_access('view', $node)) {
// If the user doesn't have access to the node, don't show any links.
$block['content'] = '';
return array();
}
}
else {
$node = NULL;
}
$block['content'] = '';
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$link_pos = variable_get('print_' . $link['format'] . '_link_pos', drupal_json_decode(PRINT_UI_LINK_POS_DEFAULT));
if (!empty($link_pos['block'])) {
$links = print_ui_insert_link($link, array(
'node' => $node,
'location' => 'block',
));
if (!empty($links)) {
$block['content'] .= $links;
}
}
}
}
break;
}
return $block;
}
/**
* Implements hook_help().
*/
function print_ui_help($path, $arg) {
$links = '';
if ($path !== 'node/%' && $path !== 'node/%/revisions/%/view') {
static $output = FALSE;
if ($output === FALSE) {
$output = TRUE;
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$link_pos = variable_get('print_' . $link['format'] . '_link_pos', drupal_json_decode(PRINT_UI_LINK_POS_DEFAULT));
if (!empty($link_pos['help'])) {
$links .= print_ui_insert_link($link, array(
'location' => 'help',
));
}
}
}
if ($links) {
return "<span class='print-syslink'>{$links}</span>";
}
}
}
return '';
}
/**
* Implements hook_node_view_alter().
*/
function print_ui_node_view_alter(&$build) {
if (isset($build['links']['book']['#links']['book_printer'])) {
$book_link = variable_get('print_html_book_link', PRINT_UI_BOOK_LINK_DEFAULT);
if ($book_link) {
$link = print_print_link();
$link_pos = variable_get('print_html_link_pos', drupal_json_decode(PRINT_UI_LINK_POS_DEFAULT));
if (!empty($link_pos['link'])) {
$format = theme('print_ui_format_link', array(
'format' => 'html',
'location' => 'link',
));
$path = '';
switch ($book_link) {
case 1:
$path = $build['links']['book']['#links']['book_printer']['href'];
break;
case 2:
$link_use_alias = variable_get('print_html_link_use_alias', PRINT_UI_LINK_USE_ALIAS_DEFAULT);
$path = $link_use_alias && ($alias = drupal_lookup_path('alias', 'node/' . $build['#node']->nid)) ? $alias : $build['#node']->nid;
break;
}
$build['links']['book']['#links']['book_printer'] = array(
'href' => $link['path'] . '/' . $path,
'title' => $format['text'],
'attributes' => $format['attributes'],
'html' => $format['html'],
);
}
else {
unset($build['links']['book']['#links']['book_printer']);
}
}
}
}
/**
* Implements hook_node_view().
*/
function print_ui_node_view($node, $view_mode) {
$corner_markup = '';
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$link_pos = variable_get('print_' . $link['format'] . '_link_pos', drupal_json_decode(PRINT_UI_LINK_POS_DEFAULT));
$link_use_alias = variable_get('print_' . $link['format'] . '_link_use_alias', PRINT_UI_LINK_USE_ALIAS_DEFAULT);
if (!preg_match('!^node/[\\d]*/revisions/[\\d]*/view$!', $_GET['q'])) {
// Not a revision, use node->nid to build the path.
$path = $link_use_alias && ($alias = drupal_lookup_path('alias', 'node/' . $node->nid)) ? $alias : $node->nid;
}
else {
// This is a node revision, replace only the node component.
$path = preg_replace('!^node/!', '', $_GET['q']);
}
$path = $link['path'] . '/' . $path;
foreach (array(
'node',
'comment',
) as $type) {
$allowed_type = print_ui_link_allowed($link, array(
'type' => $type,
'node' => $node,
'view_mode' => $view_mode,
));
if ($allowed_type) {
drupal_add_css(drupal_get_path('module', 'print_ui') . '/css/print_ui.theme.css');
$links = array();
$format = theme('print_ui_format_link', array(
'format' => $link['format'],
'location' => 'link',
));
// Show book link.
if ($allowed_type === PRINT_UI_ALLOW_BOOK_LINK) {
$path = $link['path'] . '/book/export/html/' . $node->nid;
$links['book_' . $link['format']] = array(
'href' => $path,
'title' => $format['text'],
'attributes' => $format['attributes'],
'html' => $format['html'],
);
}
elseif ($allowed_type === PRINT_UI_ALLOW_NORMAL_LINK) {
$links['print_' . $link['format']] = array(
'href' => $path,
'title' => $format['text'],
'attributes' => $format['attributes'],
'html' => $format['html'],
'query' => _print_ui_query_string_encode($_GET, array(
'q',
)),
);
}
$link_content = array(
'#theme' => 'links',
'#links' => $links,
'#attributes' => array(
'class' => array(
'links',
'inline',
),
),
);
// If it's a node, and configured to show the link, but it's not the
// html version of a book then show it.
if ($type == 'node' && !empty($link_pos['link']) && !(isset($node->book) && $link['format'] == 'html')) {
$node->content['links']['print_' . $link['format']] = $link_content;
}
elseif ($type == 'comment' && isset($node->content['comments']['comments'])) {
foreach ($node->content['comments']['comments'] as $cid => $comment) {
if (is_numeric($cid)) {
$link_content['#links']['print_' . $link['format']]['query']['comment'] = $cid;
$node->content['comments']['comments'][$cid]['links']['print_' . $link['format']] = $link_content;
}
}
}
}
}
if (!empty($link_pos['corner'])) {
$corner_markup .= print_ui_insert_link($link, array(
'node' => $node,
'path' => $path,
'location' => 'corner',
));
}
}
}
if ($view_mode == 'full' && !empty($corner_markup)) {
// Insert content corner links.
$node->content['print_links'] = array(
'#prefix' => '<span class="print-link">',
'#markup' => $corner_markup,
'#suffix' => '</span>',
'#weight' => -101,
);
}
}
/**
* Implements hook_node_load().
*/
function print_ui_node_load($nodes, $types) {
$ids = array();
foreach ($nodes as $node) {
$ids[] = $node->nid;
}
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$display = 'print_' . $link['format'] . '_display';
$display_comment = 'print_' . $link['format'] . '_display_comment';
$display_urllist = 'print_' . $link['format'] . '_display_urllist';
$result = db_query('SELECT nid, link, comments, url_list FROM {' . $module . '_node_conf} WHERE nid IN (:nids)', array(
':nids' => $ids,
))
->fetchAllAssoc('nid');
foreach ($nodes as $node) {
$node->{$display} = isset($result[$node->nid]) ? intval($result[$node->nid]->link) : variable_get($display . '_' . $node->type, PRINT_UI_TYPE_SHOW_LINK_DEFAULT);
$node->{$display_comment} = isset($result[$node->nid]) ? intval($result[$node->nid]->comments) : variable_get($display_comment . '_' . $node->type, PRINT_UI_TYPE_COMMENT_LINK_DEFAULT);
$node->{$display_urllist} = isset($result[$node->nid]) ? intval($result[$node->nid]->url_list) : variable_get($display_urllist . '_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
}
}
}
}
/**
* Implements hook_node_insert().
*/
function print_ui_node_insert($node) {
print_ui_node_update($node);
}
/**
* Implements hook_node_update().
*/
function print_ui_node_update($node) {
// If no global user object, the user_access call will fail.
if (!isset($GLOBALS['user']) || !is_object($GLOBALS['user'])) {
return;
}
if (user_access('administer print') || user_access('node-specific print configuration')) {
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$display = 'print_' . $link['format'] . '_display';
$display_comment = 'print_' . $link['format'] . '_display_comment';
$display_urllist = 'print_' . $link['format'] . '_display_urllist';
if (!isset($node->{$display}) || $node->{$display} === NULL) {
$node->{$display} = variable_get($display . '_' . $node->type, PRINT_UI_TYPE_SHOW_LINK_DEFAULT);
}
if (!isset($node->{$display_comment}) || $node->{$display_comment} === NULL) {
$node->{$display_comment} = variable_get($display_comment . '_' . $node->type, PRINT_UI_TYPE_COMMENT_LINK_DEFAULT);
}
if (!isset($node->{$display_urllist}) || $node->{$display_urllist} === NULL) {
$node->{$display_urllist} = variable_get($display_urllist . '_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
}
db_merge($module . '_node_conf')
->key(array(
'nid' => $node->nid,
))
->fields(array(
'link' => $node->{$display},
'comments' => $node->{$display_comment},
'url_list' => $node->{$display_urllist},
))
->execute();
}
}
}
}
/**
* Implements hook_node_delete().
*/
function print_ui_node_delete($node) {
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
call_user_func_array($function, array());
db_delete($module . '_node_conf')
->condition('nid', $node->nid)
->execute();
}
}
}
/**
* Implements hook_form_alter().
*/
function print_ui_form_alter(&$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']))) {
$form['print'] = array(
'#type' => 'fieldset',
'#title' => t('Printer, email and PDF versions'),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#weight' => PRINT_UI_TYPE_FIELDS_WEIGHT,
'#group' => 'additional_settings',
);
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
$form['print']['print_' . $link['format']] = array(
'#type' => 'fieldset',
'#title' => check_plain($link['text']),
'#collapsible' => TRUE,
);
$display = 'print_' . $link['format'] . '_display';
$display_comment = 'print_' . $link['format'] . '_display_comment';
$display_urllist = 'print_' . $link['format'] . '_display_urllist';
$form['print']['print_' . $link['format']][$display] = array(
'#type' => 'checkbox',
'#title' => t('Show link'),
);
$form['print']['print_' . $link['format']][$display_comment] = array(
'#type' => 'checkbox',
'#title' => t('Show link in individual comments'),
);
$form['print']['print_' . $link['format']][$display_urllist] = array(
'#type' => 'checkbox',
'#title' => t('Show Printer-friendly URLs list'),
);
if ($form_id == 'node_type_form') {
$form['print']['print_' . $link['format']][$display]['#default_value'] = variable_get($display . '_' . $form['#node_type']->type, PRINT_UI_TYPE_SHOW_LINK_DEFAULT);
$form['print']['print_' . $link['format']][$display_comment]['#default_value'] = variable_get($display_comment . '_' . $form['#node_type']->type, PRINT_UI_TYPE_COMMENT_LINK_DEFAULT);
$form['print']['print_' . $link['format']][$display_urllist]['#default_value'] = variable_get($display_urllist . '_' . $form['#node_type']->type, PRINT_TYPE_URLLIST_DEFAULT);
}
else {
$node = $form['#node'];
$form['print']['print_' . $link['format']][$display]['#default_value'] = isset($node->{$display}) ? $node->{$display} : variable_get($display . '_' . $node->type, PRINT_UI_TYPE_SHOW_LINK_DEFAULT);
$form['print']['print_' . $link['format']][$display_comment]['#default_value'] = isset($node->{$display_comment}) ? $node->{$display_comment} : variable_get($display_comment . '_' . $node->type, PRINT_UI_TYPE_COMMENT_LINK_DEFAULT);
$form['print']['print_' . $link['format']][$display_urllist]['#default_value'] = isset($node->{$display_urllist}) ? $node->{$display_urllist} : variable_get($display_urllist . '_' . $node->type, PRINT_TYPE_URLLIST_DEFAULT);
}
}
}
}
}
/**
* Auxiliary function to fill the Printer-friendly link attributes.
*
* @param string $title
* Text to displayed by the link when hovering over it with the mouse.
* @param string $class
* Class attribute to be used in the link.
* @param bool $new_window
* If TRUE opens the target page in a new window.
*
* @return array
* An associative array containing:
* - title: text to be used when hovering over the link.
* - class: CSS class of the link tag.
* - target: used for opening a new window with the non-javascript method
* - onclick: open a new window, with the javascript method
* - rel: SEO-related attribute indicating that the printer-friendly version
* should not be indexed by search engine robots.
*/
function _print_ui_fill_attributes($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)) {
$attributes['class'] = array(
$class,
);
}
if ($new_window) {
switch ($print_newwindow) {
case 0:
$attributes['target'] = '_blank';
break;
case 1:
$attributes['onclick'] = 'window.open(this.href); return false';
break;
}
}
if (!empty($print_robots_noindex)) {
$attributes['rel'] = 'nofollow';
}
return $attributes;
}
/**
* Format the Printer-friendly link.
*
* @return array
* An associative array containing:
* - text: The content of the link
* - html: TRUE if the text contains HTML tags, FALSE if it's plain text
* - attributes: several attributes of the link tag (title, class, target,
* onclick, rel)
*
* @see _print_ui_fill_attributes()
* @ingroup themeable
* @ingroup print_themeable
*/
function theme_print_ui_format_link($vars) {
$format = $vars['format'];
foreach (module_implements('print_link') as $module) {
$function = $module . '_print_link';
if (function_exists($function)) {
$link = call_user_func_array($function, array());
if ($link['format'] == $format) {
$link_class = variable_get('print_' . $link['format'] . '_link_class', $link['class']);
$new_window = FALSE;
$func = $module . '_print_new_window_alter';
if (function_exists($func)) {
$func($new_window, $link['format']);
}
$show_link = variable_get('print_' . $link['format'] . '_show_link', PRINT_UI_SHOW_LINK_DEFAULT);
$link_text = filter_xss(variable_get('print_' . $link['format'] . '_link_text', $link['text']));
$text = '';
if ($show_link >= 2) {
$img = drupal_get_path('module', $module) . '/icons/' . $link['icon'];
switch ($show_link) {
case 2:
$text = theme('image', array(
'path' => $img,
'width' => '16px',
'height' => '16px',
'alt' => $link_text,
'title' => $link_text,
'attributes' => array(
'class' => array(
'print-icon',
),
),
));
break;
case 3:
$text = theme('image', array(
'path' => $img,
'width' => '16px',
'height' => '16px',
'alt' => $link_text,
'title' => $link_text,
'attributes' => array(
'class' => array(
'print-icon',
'print-icon-margin',
),
),
)) . $link_text;
break;
}
$html = TRUE;
}
else {
$text = $link_text;
$html = FALSE;
}
return array(
'text' => $text,
'html' => $html,
'attributes' => _print_ui_fill_attributes($link['description'], strip_tags($link_class), $new_window),
);
}
}
}
return array();
}
/**
* 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 array $link
* Array returned by the hook_print_link() call.
* @param array $args
* Array of optional arguments:
* - node: node object, to be used in checking node access. If the path
* argument is not provided, the path used will be node/nid.
* - path: path to be used in the link. If not specified, the current URL
* is used.
* - location: the location in the page where the link is being inserted
* ('link', 'corner', 'block', 'help').
*
* @return string
* string with the HTML link to the printer-friendly page
*/
function print_ui_insert_link($link, $args = array()) {
$node = isset($args['node']) ? $args['node'] : NULL;
$path = isset($args['path']) ? $args['path'] : NULL;
$location = isset($args['location']) ? $args['location'] : '';
if ($node !== NULL) {
$nid = $node->nid;
if ($path === NULL) {
$path = 'node/' . $nid;
}
$allowed_type = print_ui_link_allowed($link, array(
'node' => $node,
));
}
else {
if ($path === NULL) {
$nid = preg_replace('!^node/([\\d]+)!', '$1', $_GET['q']);
$path = $_GET['q'];
}
else {
$nid = NULL;
}
$allowed_type = print_ui_link_allowed($link, array(
'path' => $path,
));
}
if ($allowed_type) {
if ($nid !== NULL) {
if ($allowed_type === PRINT_UI_ALLOW_BOOK_LINK) {
$path = 'book/export/html/' . $nid;
}
else {
if (variable_get('print_' . $link['format'] . '_link_use_alias', PRINT_UI_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
$path = $alias;
}
else {
$path = $nid;
}
}
$path = $link['path'] . '/' . $path;
$query = _print_ui_query_string_encode($_GET, array(
'q',
));
}
else {
$query = NULL;
}
drupal_add_css(drupal_get_path('module', 'print_ui') . '/css/print_ui.theme.css');
$format = theme('print_ui_format_link', array(
'format' => $link['format'],
'location' => $location,
));
return '<span class="print_' . $link['format'] . '">' . l($format['text'], $path, array(
'attributes' => $format['attributes'],
'query' => $query,
'absolute' => TRUE,
'html' => $format['html'],
)) . '</span>';
}
else {
return FALSE;
}
}
/**
* Check if the link to the PF version is allowed depending on the settings.
*
* @param array $link
* Array returned by the hook_print_link() call.
* @param array $args
* Array containing the possible parameters:
* view_mode, node, type, path.
*
* @return int
* FALSE if not allowed
* PRINT_UI_ALLOW_NORMAL_LINK if a normal link is allowed
* PRINT_UI_ALLOW_BOOK_LINK if a link is allowed in a book node
*/
function print_ui_link_allowed($link, $args) {
if (isset($args['view_mode'])) {
$view_mode = $args['view_mode'];
if ($view_mode == 'teaser' && !variable_get('print_' . $link['format'] . '_link_teaser', PRINT_UI_LINK_TEASER_DEFAULT) || !in_array($view_mode, array(
'full',
'teaser',
))) {
// If the teaser link is disabled.
return FALSE;
}
}
$link_allowed_func = $link['module'] . '_link_allowed';
if (function_exists($link_allowed_func)) {
if (!$link_allowed_func($args)) {
// If the format-specific function disallows the link.
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 = '';
$node = $args['node'];
if (isset($node->type)) {
$node_type = $node->type;
}
// Node.
if (isset($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[$link['format']][$node->nid])) {
$res[$link['format']][$node->nid] = db_query("SELECT comments FROM {" . $link['module'] . "_node_conf} WHERE nid = :nid", array(
':nid' => $node->nid,
))
->fetchField();
}
$display_comment = $res && $res[$link['format']][$node->nid] !== FALSE ? $res[$link['format']][$node->nid] : variable_get('print_' . $link['format'] . '_display_comment_' . $node_type, PRINT_UI_TYPE_COMMENT_LINK_DEFAULT);
if ($display_comment) {
return PRINT_UI_ALLOW_NORMAL_LINK;
}
}
else {
// Node link.
$display = 'print_' . $link['format'] . '_display';
if (isset($node->{$display}) && !$node->{$display}) {
// Link for this node is disabled.
return FALSE;
}
elseif (isset($node->book)) {
// Node is a book.
$book_link = variable_get('print_' . $link['format'] . '_book_link', PRINT_UI_BOOK_LINK_DEFAULT);
switch ($book_link) {
case 1:
if (user_access('access printer-friendly version')) {
return PRINT_UI_ALLOW_BOOK_LINK;
}
break;
case 2:
return PRINT_UI_ALLOW_NORMAL_LINK;
}
}
else {
return PRINT_UI_ALLOW_NORMAL_LINK;
}
}
}
else {
// 'System' page.
$sys_link_visibility = variable_get('print_' . $link['format'] . '_sys_link_visibility', PRINT_UI_SYS_LINK_VISIBILITY_DEFAULT);
$sys_link_pages = variable_get('print_' . $link['format'] . '_sys_link_pages', PRINT_UI_SYS_LINK_PAGES_DEFAULT);
return _print_ui_page_match($sys_link_visibility, $_GET['q'], $sys_link_pages);
}
return FALSE;
}
/**
* Check if the provided page is enabled according to the visibility settings.
*
* @param int $visibility
* Current visibility settings:
* 0 for show on every page except the listed pages
* 1 for show on only the listed pages.
* @param string $path
* Current path.
* @param string $pages
* List of pages.
*
* @return bool
* TRUE if it is enabled, FALSE otherwise
*/
function _print_ui_page_match($visibility, $path, $pages) {
if ($pages) {
if ($visibility == 2) {
if (module_exists('php')) {
return php_eval($pages);
}
else {
return FALSE;
}
}
$alias = drupal_get_path_alias($path);
$page_match = drupal_match_path($path, $pages);
if ($alias != $path) {
$page_match = $page_match || drupal_match_path($alias, $pages);
}
return !($visibility xor $page_match);
}
else {
return !$visibility;
}
}
/**
* Parse an array into a valid urlencoded query string.
*
* Modified from drupal_query_string_encode to prevent re-encoding of
* encoded original. (see #301192)
*
* @param array $query
* The array to be processed e.g. $_GET.
* @param array $exclude
* The array filled with keys to be excluded.
* @param string $parent
* The be used in recursive calls.
*
* @return array
* urlencoded string which can be appended to/as the URL query string
*/
function _print_ui_query_string_encode($query, $exclude = array(), $parent = '') {
$params = array();
foreach ($query as $key => $value) {
if (in_array($key, $exclude, TRUE)) {
continue;
}
if (is_array($value)) {
$params[$key] = _print_ui_query_string_encode($value, $exclude, $key);
}
else {
$params[$key] = $value;
}
}
return empty($params) ? NULL : $params;
}Functions
Name |
Description |
|---|---|
| print_ui_block_info | Implements hook_block_info(). |
| print_ui_block_view | Implements hook_block_view(). |
| print_ui_form_alter | Implements hook_form_alter(). |
| print_ui_help | Implements hook_help(). |
| print_ui_insert_link | Auxiliary function to display a formatted Printer-friendly link. |
| print_ui_link_allowed | Check if the link to the PF version is allowed depending on the settings. |
| print_ui_menu | Implements hook_menu(). |
| print_ui_node_delete | Implements hook_node_delete(). |
| print_ui_node_insert | Implements hook_node_insert(). |
| print_ui_node_load | Implements hook_node_load(). |
| print_ui_node_update | Implements hook_node_update(). |
| print_ui_node_view | Implements hook_node_view(). |
| print_ui_node_view_alter | Implements hook_node_view_alter(). |
| print_ui_permission | Implements hook_permission(). |
| print_ui_theme | Implements hook_theme(). |
| theme_print_ui_format_link | Format the Printer-friendly link. |
| _print_ui_fill_attributes | Auxiliary function to fill the Printer-friendly link attributes. |
| _print_ui_page_match | Check if the provided page is enabled according to the visibility settings. |
| _print_ui_query_string_encode | Parse an array into a valid urlencoded query string. |