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<?php
/**
* Elgg admin functions.
* Functions for adding and manipulating options on the admin panel.
*
* @package Elgg
* @subpackage Core
* @author Curverider Ltd
* @link http://elgg.org/
*/
/**
* Register an admin page with the admin panel.
* This function extends the view "admin/main" with the provided view. This view should provide a description
* and either a control or a link to.
*
* Usage:
* - To add a control to the main admin panel then extend admin/main
* - To add a control to a new page create a page which renders a view admin/subpage
* (where subpage is your new page -
* nb. some pages already exist that you can extend), extend the main view to point to it,
* and add controls to your new view.
*
* At the moment this is essentially a wrapper around extend_view.
*
* @param string $new_admin_view The view associated with the control you're adding
* @param string $view The view to extend, by default this is 'admin/main'.
* @param int $priority Optional priority to govern the appearance in the list.
*/
function extend_elgg_admin_page( $new_admin_view, $view = 'admin/main', $priority = 500) {
return extend_view($view, $new_admin_view, $priority);
}
/**
* Initialise the admin page.
*/
function admin_init() {
// Add plugin main menu option (last)
extend_elgg_admin_page('admin/main_opt/statistics', 'admin/main');
extend_elgg_admin_page('admin/main_opt/site', 'admin/main');
extend_elgg_admin_page('admin/main_opt/user', 'admin/main');
extend_elgg_admin_page('admin/main_opt/plugins', 'admin/main', 999); // Always last
register_action('admin/user/ban', false, "", true);
register_action('admin/user/unban', false, "", true);
register_action('admin/user/delete', false, "", true);
register_action('admin/user/resetpassword', false, "", true);
register_action('admin/user/makeadmin', false, "", true);
register_action('admin/user/removeadmin', false, "", true);
// Register some actions
register_action('admin/site/update_basic', false, "", true); // Register basic site admin action
// Page handler
register_page_handler('admin','admin_settings_page_handler');
// if (isadminloggedin()) {
// global $is_admin;
// $is_admin = true;
// }
}
/**
* Add submenu items for admin page.
*
* @return unknown_type
*/
function admin_pagesetup() {
if (get_context() == 'admin') {
global $CONFIG;
add_submenu_item(elgg_echo('admin:statistics'), $CONFIG->wwwroot . 'pg/admin/statistics/');
add_submenu_item(elgg_echo('admin:site'), $CONFIG->wwwroot . 'pg/admin/site/');
add_submenu_item(elgg_echo('admin:user'), $CONFIG->wwwroot . 'pg/admin/user/');
add_submenu_item(elgg_echo('admin:plugins'), $CONFIG->wwwroot . 'pg/admin/plugins/');
}
}
/**
* Handle admin pages.
*
* @param $page
* @return unknown_type
*/
function admin_settings_page_handler($page) {
global $CONFIG;
$path = $CONFIG->path . "admin/index.php";
if ($page[0]) {
switch ($page[0]) {
case 'user' : $path = $CONFIG->path . "admin/user.php"; break;
case 'statistics' : $path = $CONFIG->path . "admin/statistics.php"; break;
case 'plugins' : $path = $CONFIG->path . "admin/plugins.php"; break;
case 'site' : $path = $CONFIG->path . "admin/site.php"; break;
}
}
if ($page[1]) {
set_input('username', $page[1]);
}
include($path);
}
/**
* Admin permissions system
*
* @return true|null True if the current user is an admin.
*/
function admin_permissions($hook, $type, $returnval, $params) {
if (is_array($params) && !empty($params['user']) && $params['user'] instanceof ElggUser) {
$admin = $params['user']->admin;
if ($admin) {
return true;
}
}
}
/**
* Write a persistent message to the administrator's notification window.
*
* Currently this writes a message to the admin store, we may want to come up with another way at some point.
*
* @param string $subject Subject of the message
* @param string $message Body of the message
*/
function send_admin_message($subject, $message) {
$subject = sanitise_string($subject);
$message = sanitise_string($message);
if (($subject) && ($message)) {
$admin_message = new ElggObject();
$admin_message->subtype = 'admin_message';
$admin_message->access_id = ACCESS_PUBLIC;
$admin_message->title = $subject;
$admin_message->description = $message;
return $admin_message->save();
}
return false;
}
/**
* List all admin messages.
*
* @param int $limit Limit
*/
function list_admin_messages($limit = 10) {
return list_entities('object', 'admin_message', 0, $limit);
}
/**
* Remove an admin message.
*
* @param int $guid The
*/
function clear_admin_message($guid) {
return delete_entity($guid);
}
/// Register init functions
register_elgg_event_handler('init','system','admin_init');
register_elgg_event_handler('pagesetup','system','admin_pagesetup');
// Register a plugin hook for permissions
register_plugin_hook('permissions_check','all','admin_permissions');
register_plugin_hook('container_permissions_check','all','admin_permissions');
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