'SimpleMenu',
'description' => 'Select the menu to display.',
'page callback' => 'drupal_get_form',
'page arguments' => array('simplemenu_admin_settings'),
'access arguments' => array('administer simplemenu'),
'file' => 'simplemenu.admin.inc',
);
return $items;
}
/**
* Is simplemenu enabled for this page request?
*/
function simplemenu_enabled() {
static $enabled;
if (!isset($enabled)) {
global $theme;
$exclusions = variable_get('simplemenu_exclusions', array());
$enabled = (user_access('view simplemenu')
&& (!isset($exclusions[$theme]) || !$exclusions[$theme])
&& _simplemenu_page_visibility()
&& _simplemenu_superuser_active());
}
return $enabled;
}
/**
* Implementation of hook_init().
*/
function simplemenu_init() {
// do a simple access check here, since theme isn't available to check yet
if (user_access('view simplemenu') && simplemenu_enabled()) {
$path = drupal_get_path('module', 'simplemenu');
drupal_add_css($path .'/simplemenu.css');
$simplemenu_theme = variable_get('simplemenu_theme', 'original');
$theme_file = $path .'/themes/'. $simplemenu_theme .'/'. $simplemenu_theme .'.css';
if (is_file($theme_file)) {
drupal_add_css($theme_file);
}
$settings = array(
'effect' => variable_get('simplemenu_effect', 'opacity'),
'effectSpeed' => variable_get('simplemenu_effect_speed', 'fast'),
'element' => variable_get('simplemenu_element', 'body'),
'hideDelay' => variable_get('simplemenu_hide_delay', 800),
'placement' => variable_get('simplemenu_element_method', 'prepend'),
'detectPopup' => variable_get('simplemenu_detect_popop', 1),
);
drupal_add_js(array('simplemenu' => $settings), 'setting');
drupal_add_js($path .'/simplemenu.js');
drupal_add_js($path .'/superfish.js');
}
}
/**
* Implementation of hook_footer().
*
* This has been broken off of simplemenu_init() because simplemenu_get_menu()
* calls simplemenu_menu_tree() which calls menu_tree_output() which has several
* calls to theme(). This initializes the theme system too early causing hard
* to track bugs.
*
* @see http://drupal.org/node/219910
*/
function simplemenu_footer() {
if (simplemenu_enabled()) {
$simplemenu = drupal_to_js(simplemenu_get_menu());
$path = base_path() . drupal_get_path('module', 'simplemenu');
$output = "\n";
return $output;
}
}
/**
* Implementation of hook_perm().
*/
function simplemenu_perm() {
return array('view simplemenu', 'administer simplemenu');
}
/**
* Render an HTML list of links for a given menu.
*/
function simplemenu_get_menu() {
$output = '';
// if a user turned off menu module but SimpleMenu was previously set
// reset variable so a menu appears
$menu_name = module_exists('menu') ? variable_get('simplemenu_menu', 'navigation:0') : 'navigation:0';
$menu = simplemenu_menu_tree($menu_name);
if (!$menu) {
$menu = ''. t('No menu items found. Try a different menu as the default.') .'';
}
// This is ugly, I know, but it is the only way I can see to get the additional
// links inside the tags
if ($devel = simplemenu_get_devel()) {
$pos = strpos($menu, '>') + 1;
$menu = substr($menu, 0, $pos) . $devel . substr($menu, $pos);
}
$output .= $menu;
return $output;
}
/**
* Custom implementation of menu_tree().
* We want to retrieve the entire menu structure for a given menu,
* regardless of whether or not the menu item is expanded or not.
*/
function simplemenu_menu_tree($menu_name = 'navigation:0') {
static $menu_output = array();
if (!isset($menu_output[$menu_name])) {
$tree = simplemenu_tree_all_data($menu_name);
$menu_output[$menu_name] = menu_tree_output($tree);
}
return $menu_output[$menu_name];
}
/**
* Modified menu_tree_all_data(), providing the complete menu tree below $root_menu
* (which can be *any* menu item, not just the root of a custom menu).
*
* @param $root_menu
* root menu item of the tree to return as "menu_name:mlid" (mlid = menu link id)
*
* @todo we don't actually need $menu_name, $mlid would be sufficient
*/
function simplemenu_tree_all_data($root_menu = 'navigation:0') {
static $tree = array();
list($menu_name, $mlid) = explode(':', $root_menu);
// Generate the cache ID.
// "links:navigation:all:2" means "all from root to 2" (what the ...), so for "all from 2 down" we do "links:navigation:all:2:all"
$cid = "links:$menu_name:all:$mlid". ($mlid ? ':all' : '');
if (!isset($tree[$cid])) {
// If the static variable doesn't have the data, check {cache_menu}.
$cache = cache_get($cid, 'cache_menu');
if ($cache && isset($cache->data)) {
$data = $cache->data;
}
else {
// Build and run the query, and build the tree.
if ($mlid > 0) {
$item = menu_link_load($mlid);
// The tree is a subtree of $menu_name, so we need to restrict the query to
// this subtree.
$px = "p$item[depth]";
$where = " AND ml.$px = %d AND ml.mlid != %d";
$args = array($item[$px], $mlid);
}
else {
// Get all links in this menu.
$where = '';
$args = array();
}
array_unshift($args, $menu_name);
// Select the links from the table, and recursively build the tree. We
// LEFT JOIN since there is no match in {menu_router} for an external
// link.
$data['tree'] = menu_tree_data(db_query("
SELECT m.load_functions, m.to_arg_functions, m.access_callback, m.access_arguments, m.page_callback, m.page_arguments, m.title, m.title_callback, m.title_arguments, m.type, m.description, ml.*
FROM {menu_links} ml LEFT JOIN {menu_router} m ON m.path = ml.router_path
WHERE ml.menu_name = '%s'". $where ."
ORDER BY p1 ASC, p2 ASC, p3 ASC, p4 ASC, p5 ASC, p6 ASC, p7 ASC, p8 ASC, p9 ASC", $args));
$data['node_links'] = array();
menu_tree_collect_node_links($data['tree'], $data['node_links']);
// Cache the data.
cache_set($cid, $data, 'cache_menu');
}
// Check access for the current user to each item in the tree.
menu_tree_check_access($data['tree'], $data['node_links']);
$tree[$cid] = $data['tree'];
}
return $tree[$cid];
}
/**
* Return a list of devel module links if the module is enabled
* and the user has access to this module.
*/
function simplemenu_get_devel() {
$output = '';
if (variable_get('simplemenu_devel', 0) && module_exists('devel')) {
if (user_access('access devel information')) {
$output = '- '. t('Devel module') .'';
$output .= simplemenu_menu_tree('devel');
$output .= '
';
}
}
return $output;
}
/**
* Determine if simplemenu should be displayed based on visibility settings.
*
* @return boolean
*/
function _simplemenu_page_visibility() {
$operator = variable_get('simplemenu_visibility_operator', 0);
$pages = variable_get('simplemenu_visibility_pages', '');
if ($pages) {
$path = drupal_get_path_alias($_GET['q']);
// Compare with the internal and path alias (if any).
$page_match = drupal_match_path($path, $pages);
if ($path != $_GET['q']) {
$page_match = $page_match || drupal_match_path($_GET['q'], $pages);
}
// When $operator has a value of 0, the menu is displayed on
// all pages except those listed in $pages. When set to 1, it
// is displayed only on those pages listed in $pages.
$page_match = !($operator ^ $page_match);
}
else {
$page_match = TRUE;
}
return $page_match;
}
/**
* Check whether the superuser/admin should be shown simplemenu.
*/
function _simplemenu_superuser_active() {
global $user;
return $user->uid != 1 || variable_get('simplemenu_uid1', 1) == 1;
}
// vim: ts=2 sw=2 et syntax=php