class.ilAccessKey.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilAccessKey
{
        // function id constants
        const NEXT = 1;
        const PREVIOUS = 2;
        const DELETE = 3;
        const LAST_VISITED = 4;
        const TREE_ON = 5;
        const TREE_OFF = 6;
        const REPLY = 7;
        const FORWARD_MAIL = 8;
        const MARK_ALL_READ = 9;
        const PERSONAL_DESKTOP = 10;
        
        public static $func_def = array(
                ilAccessKey::NEXT => array(
                        "component" => array("global"),
                        "lang" => "acc_next"),
                ilAccessKey::PREVIOUS => array(
                        "component" => array("global"),
                        "lang" => "acc_previous"),
                ilAccessKey::DELETE => array(
                        "component" => array("global"),
                        "lang" => "acc_delete"),
                ilAccessKey::LAST_VISITED => array(
                        "component" => array("global"),
                        "lang" => "acc_last_rep_visited"),
                ilAccessKey::TREE_ON => array(
                        "component" => array("global"),
                        "lang" => "acc_tree_on"),
                ilAccessKey::TREE_OFF => array(
                        "component" => array("global"),
                        "lang" => "acc_tree_off"),
                ilAccessKey::REPLY => array(
                        "component" => array("mail"),
                        "lang" => "acc_reply"),
                ilAccessKey::FORWARD_MAIL => array(
                        "component" => array("mail"),
                        "lang" => "acc_forward_mail"),
                ilAccessKey::MARK_ALL_READ => array(
                        "component" => array("frm"),
                        "lang" => "acc_mark_all_read"),
                ilAccessKey::PERSONAL_DESKTOP => array(
                        "component" => array("global"),
                        "lang" => "acc_personal_desktop")
                );
        
        private static function getAllKeysEmpty()
        {
                $empty_keys = array();
                foreach (self::$func_def as $f => $c)
                {
                        $empty_keys[$f] = "";
                }
                
                return $empty_keys;
        }
        
        static function getFunctionName($a_func_id)
        {
                global $lng;
 
                return $lng->txt(self::$func_def[$a_func_id]["lang"]);
        }
        
        static function getComponentNames($a_func_id)
        {
                global $lng;
 
                $c_str = $lim = "";
                foreach (self::$func_def[$a_func_id]["component"] as $c)
                {
                        $c_str.= $lim.$lng->txt("acc_comp_".$c);
                        $lim = ", ";
                }
                return $c_str;
        }
 
        
        static function getKeys($lang_key = "0", $a_ignore_default = false)
        {
                global $ilDB;
                
                $keys = ilAccessKey::getAllKeysEmpty();
                
                // get defaults
                if ($lang_key != "0" && !$a_ignore_default)
                {
                        $keys = ilAccessKey::getKeys();
                }
                
                // get keys of selected language
                $set = $ilDB->query("SELECT * FROM acc_access_key ".
                        " WHERE lang_key = ".$ilDB->quote($lang_key, "text")
                        );
                while ($rec  = $ilDB->fetchAssoc($set))
                {
                        $keys[$rec["function_id"]] = $rec["access_key"];
                }
                
                return $keys;
        }
        
        static function getKey($a_func_id, $lang_key = "0", $a_ignore_default = false)
        {
                global $ilDB;
                
                $key = "";
                
                // get defaults
                if ($lang_key != "0" && !$a_ignore_default)
                {
                        $key = ilAccessKey::getKey($a_func_id);
                }
                
                // get keys of selected language
                $set = $ilDB->query("SELECT * FROM acc_access_key ".
                        " WHERE lang_key = ".$ilDB->quote($lang_key, "text").
                        " AND function_id = ".$ilDB->quote($a_func_id, "integer")
                        );
                if ($rec  = $ilDB->fetchAssoc($set))
                {
                        $key = $rec["access_key"];
                }
                
                return $key;
        }
 
        static function writeKeys($a_keys, $a_lang_key = "0")
        {
                global $ilDB;
                
                $ilDB->manipulate("DELETE FROM acc_access_key WHERE ".
                        "lang_key = ".$ilDB->quote($a_lang_key, "text")
                        );
                
                foreach ($a_keys as $func_id => $acc_key)
                {
                        $ilDB->manipulate("INSERT INTO acc_access_key ".
                                "(lang_key, function_id, access_key) VALUES (".
                                $ilDB->quote($a_lang_key, "text").",".
                                $ilDB->quote($func_id, "integer").",".
                                $ilDB->quote(strtolower(trim($acc_key)), "text").
                                ")");
                }
        }
        
}