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;
    }
    
    public static function getFunctionName($a_func_id)
    {
        global $DIC;
 
        $lng = $DIC->language();
 
        return $lng->txt(self::$func_def[$a_func_id]["lang"]);
    }
    
    public static function getComponentNames($a_func_id)
    {
        global $DIC;
 
        $lng = $DIC->language();
 
        $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;
    }
 
    
    public static function getKeys($lang_key = "0", $a_ignore_default = false)
    {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        $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;
    }
    
    public static function getKey($a_func_id, $lang_key = "0", $a_ignore_default = false)
    {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        $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;
    }
 
    public static function writeKeys($a_keys, $a_lang_key = "0")
    {
        global $DIC;
 
        $ilDB = $DIC->database();
        
        $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") .
                ")");
        }
    }
}