class.ilObjectTranslation.php

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<?php

/* Copyright (c) 1998-2014 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilObjectTranslation
{
        protected $db;
        protected $obj_id;
        protected $master_lang;
        protected $languages = array();
        protected $content_activated = false;
        static protected $instances = array();

        private function __construct($a_obj_id)
        {
                global $ilDB;

                $this->db = $ilDB;

                $this->setObjId($a_obj_id);

                if ($this->getObjId() <= 0)
                {
                        include_once("./Services/Object/exceptions/class.ilObjectException.php");
                        throw new ilObjectException("ilObjectTranslation: No object ID passed.");
                }

                $this->read();
        }

        static function getInstance($a_obj_id)
        {
                if (!isset(self::$instances[$a_obj_id]))
                {
                        self::$instances[$a_obj_id] = new ilObjectTranslation($a_obj_id);
                }

                return self::$instances[$a_obj_id];
        }


        function setObjId($a_val)
        {
                $this->obj_id = $a_val;
        }

        function getObjId()
        {
                return $this->obj_id;
        }

        function setMasterLanguage($a_val)
        {
                $this->master_lang = $a_val;
        }

        function getMasterLanguage()
        {
                return $this->master_lang;
        }

        function setLanguages(array $a_val)
        {
                $this->languages = $a_val;
        }

        function getLanguages()
        {
                return $this->languages;
        }

        function addLanguage($a_lang, $a_title, $a_description, $a_default, $a_force = false)
        {
                if ($a_lang != "" && (!isset($this->languages[$a_lang]) || $a_force))
                {
                        if ($a_default)
                        {
                                foreach ($this->languages as $k => $l)
                                {
                                        $this->languages[$k]["lang_default"] = false;
                                }
                        }
                        $this->languages[$a_lang] = array("lang_code" => $a_lang, "lang_default" => $a_default,
                                "title" => $a_title, "description" => $a_description);
                }
        }

        function getDefaultTitle()
        {
                foreach ($this->languages as $l)
                {
                        if ($l["lang_default"])
                        {
                                return $l["title"];
                        }
                }
                return "";
        }

        function setDefaultTitle($a_title)
        {
                foreach ($this->languages as $k => $l)
                {
                        if ($l["lang_default"])
                        {
                                $this->languages[$k]["title"] = $a_title;
                        }
                }
        }

        function getDefaultDescription()
        {
                foreach ($this->languages as $l)
                {
                        if ($l["lang_default"])
                        {
                                return $l["description"];
                        }
                }
                return "";
        }

        function setDefaultDescription($a_description)
        {
                foreach ($this->languages as $k => $l)
                {
                        if ($l["lang_default"])
                        {
                                $this->languages[$k]["description"] = $a_description;
                        }
                }
        }


        function removeLanguage($a_lang)
        {
                if ($a_lang != $this->getMasterLanguage())
                {
                        unset($this->languages[$a_lang]);
                }
        }


        protected function setContentActivated($a_val)
        {
                $this->content_activated = $a_val;
        }

        function getContentActivated()
        {
                return $this->content_activated;
        }

        function read()
        {
                $set = $this->db->query("SELECT * FROM obj_content_master_lng ".
                        " WHERE obj_id = ".$this->db->quote($this->getObjId(), "integer")
                );
                if ($rec = $this->db->fetchAssoc($set))
                {
                        $this->setMasterLanguage($rec["master_lang"]);
                        $this->setContentActivated(true);
                }
                else
                {
                        $this->setContentActivated(false);
                }

                $this->setLanguages(array());
                $set = $this->db->query("SELECT * FROM object_translation ".
                        " WHERE obj_id = ".$this->db->quote($this->getObjId(), "integer")
                );
                while ($rec = $this->db->fetchAssoc($set))
                {
                        $this->addLanguage($rec["lang_code"], $rec["title"], $rec["description"], $rec["lang_default"]);
                }
        }

        function delete()
        {
                $this->db->manipulate("DELETE FROM obj_content_master_lng ".
                        " WHERE obj_id = ".$this->db->quote($this->getObjId(), "integer")
                );
                $this->db->manipulate("DELETE FROM object_translation ".
                        " WHERE obj_id = ".$this->db->quote($this->getObjId(), "integer")
                );
        }

        function deactivateContentTranslation()
        {
                $this->db->manipulate("DELETE FROM obj_content_master_lng ".
                        " WHERE obj_id = ".$this->db->quote($this->getObjId(), "integer")
                );
        }

        function save()
        {
                $this->delete();

                if ($this->getMasterLanguage() != "")
                {
                        $this->db->manipulate("INSERT INTO obj_content_master_lng ".
                                "(obj_id, master_lang) VALUES (".
                                $this->db->quote($this->getObjId(), "integer").",".
                                $this->db->quote($this->getMasterLanguage(), "text").
                                ")");

                        // ensure that an entry for the master language exists and is the default
                        if (!isset($this->languages[$this->getMasterLanguage()]))
                        {
                                $this->languages[$this->getMasterLanguage()] = array("title" => "",
                                        "description" => "", "lang_code" => $this->getMasterLanguage(), "lang_default" => 1);
                        }
                        foreach ($this->languages as $l => $trans)
                        {
                                if ($l == $this->getMasterLanguage())
                                {
                                        $this->languages[$l]["lang_default"] = 1;
                                }
                                else
                                {
                                        $this->languages[$l]["lang_default"] = 0;
                                }
                        }
                }

                foreach ($this->getLanguages() as $l => $trans)
                {
                        $this->db->manipulate($t = "INSERT INTO object_translation ".
                                "(obj_id, title, description, lang_code, lang_default) VALUES (".
                                $this->db->quote($this->getObjId(), "integer").",".
                                $this->db->quote($trans["title"], "text").",".
                                $this->db->quote($trans["description"], "text").",".
                                $this->db->quote($l, "text").",".
                                $this->db->quote($trans["lang_default"], "integer").
                                ")");
                }
        }

        function copy($a_obj_id)
        {
                $target_ml = new ilObjectTranslation($a_obj_id);
                $target_ml->setMasterLanguage($this->getMasterLanguage());
                $target_ml->setLanguages($this->getLanguages());
                $target_ml->save();
                return $target_ml;
        }


        function getEffectiveContentLang($a_lang, $a_parent_type)
        {
                $langs = $this->getLanguages();
                if ($this->getContentActivated() &&
                        isset($langs[$a_lang]) &&
                        ilPageObject::_exists($a_parent_type, $this->getObjId(), $a_lang))
                {
                        return $a_lang;
                }
                return "-";
        }



}

?>