class.ilMediaObjectUsagesTableGUI.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("Services/Table/classes/class.ilTable2GUI.php");

class ilMediaObjectUsagesTableGUI extends ilTable2GUI
{
        
        function __construct($a_parent_obj, $a_parent_cmd, $a_media_object,
                $a_include_hist = false)
        {
                global $ilCtrl, $lng, $ilAccess, $lng;

                parent::__construct($a_parent_obj, $a_parent_cmd);
                $this->media_object = $a_media_object;
                $this->include_hist = $a_include_hist;
                $this->addColumn($lng->txt("mob_object"));
                $this->addColumn($this->lng->txt("type"));
                if ($a_include_hist)
                {
                        $this->addColumn($this->lng->txt("cont_versions"));
                }
                //$this->setEnableHeader(false);
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj));
                $this->setRowTemplate("tpl.mob_usage_row.html", "Services/MediaObjects");
                $this->getItems();
                $this->setTitle($lng->txt("cont_mob_usages"));
        }

        function getItems()
        {
                $usages = $this->media_object->getUsages($this->include_hist);
                
                $clip_cnt = 0;
                $to_del = array();
                $agg_usages = array();
                foreach($usages as $k => $usage)
                {
                        if ($usage["type"] == "clip")
                        {
                                $clip_cnt++;
                        }
                        else
                        {
                                if (empty($agg_usages[$usage["type"].":".$usage["id"]]))
                                {
                                        $usage["hist_nr"] = array($usage["hist_nr"]);
                                        $agg_usages[$usage["type"].":".$usage["id"]] = $usage;
                                }
                                else
                                {
                                        $agg_usages[$usage["type"].":".$usage["id"]]["hist_nr"][] =
                                                $usage["hist_nr"];
                                }
                        }
                }

                // usages in clipboards
                if ($clip_cnt > 0)
                {
                        $agg_usages[] = array("type" => "clip", "cnt" => $clip_cnt);
                }

                $this->setData($agg_usages);
        }
        
        protected function fillRow($a_set)
        {
                global $lng, $ilCtrl, $ilAccess;

                $usage = $a_set;
                
//var_dump($usage);

                if(is_int(strpos($usage["type"], ":")))
                {
                        $us_arr = explode(":", $usage["type"]);
                        $usage["type"] = $us_arr[1];
                        $cont_type = $us_arr[0];
                }

                include_once('./Services/Link/classes/class.ilLink.php');

                switch($usage["type"])
                {
                        case "pg":
                                include_once("./Services/COPage/classes/class.ilPageObjectFactory.php");
                                $page_obj = ilPageObjectFactory::getInstance($cont_type, $usage["id"]);

                                $item = array();

                                //$this->tpl->setVariable("TXT_OBJECT", $usage["type"].":".$usage["id"]);
                                switch ($cont_type)
                                {
                                        case "lm":
                                                require_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                                                require_once("./Modules/LearningModule/classes/class.ilObjLearningModule.php");
                                                require_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                                                if (ilObject::_lookupType($page_obj->getParentId()) == "lm")
                                                {
                                                        $lm_obj = new ilObjLearningModule($page_obj->getParentId(), false);
                                                        $item["obj_type_txt"] = $this->lng->txt("obj_".$cont_type);
                                                        $item["obj_title"] = $lm_obj->getTitle();
                                                        $item["sub_txt"] = $this->lng->txt("pg");
                                                        $item["sub_title"] = ilLMObject::_lookupTitle($page_obj->getId());
                                                        $ref_id = $this->getFirstWritableRefId($lm_obj->getId());
                                                        if ($ref_id > 0)
                                                        {
                                                                $item["obj_link"] = ilLink::_getStaticLink($page_obj->getId()."_".$ref_id, "pg");
                                                        }
                                                }
                                                break;

                                        case "wpg":
                                                require_once("./Modules/Wiki/classes/class.ilWikiPage.php");
                                                $item["obj_type_txt"] = $this->lng->txt("obj_wiki");
                                                $item["obj_title"] = ilObject::_lookupTitle($page_obj->getParentId());
                                                $item["sub_txt"] = $this->lng->txt("pg");
                                                $item["sub_title"] = ilWikiPage::lookupTitle($page_obj->getId());
                                                $ref_id = $this->getFirstWritableRefId($page_obj->getParentId());
                                                if ($ref_id > 0)
                                                {
                                                        $item["obj_link"] = ilLink::_getStaticLink($ref_id, "wiki");
                                                }
                                                break;

                                        case "gdf":
                                                require_once("./Modules/Glossary/classes/class.ilGlossaryTerm.php");
                                                require_once("./Modules/Glossary/classes/class.ilGlossaryDefinition.php");
                                                $term_id = ilGlossaryDefinition::_lookupTermId($page_obj->getId());
                                                $glo_id = ilGlossaryTerm::_lookGlossaryId($term_id);
                                                $item["obj_type_txt"] = $this->lng->txt("obj_glo");
                                                $item["obj_title"] = ilObject::_lookupTitle($glo_id);
                                                $item["sub_txt"] = $this->lng->txt("cont_term");
                                                $item["sub_title"] = ilGlossaryTerm::_lookGlossaryTerm($term_id);
                                                $ref_id = $this->getFirstWritableRefId($page_obj->getParentId());
                                                if ($ref_id > 0)
                                                {
                                                        $item["obj_link"] = ilLink::_getStaticLink($ref_id, "glo");
                                                }
                                                break;

                                        case "cont":
                                                $otype  = ilObject::_lookupType($page_obj->getId());
                                                $item["obj_type_txt"] = $this->lng->txt("obj_".$otype);
                                                $item["obj_title"] = ilObject::_lookupTitle($page_obj->getId());
                                                $ref_id = $this->getFirstWritableRefId($page_obj->getId());
                                                if ($ref_id > 0)
                                                {
                                                        $item["obj_link"] = ilLink::_getStaticLink($ref_id, $otype);
                                                }
                                                break;

                                        default:
                                                include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
                                                $oid = ilObjMediaObject::getParentObjectIdForUsage($a_set);
                                                if ($oid > 0)
                                                {
                                                        $type = ilObject::_lookupType($oid);
                                                        $item["obj_type_txt"] = $this->lng->txt("obj_".$type);
                                                        $item["obj_title"] = ilObject::_lookupTitle($oid);
                                                        $ref_id = $this->getFirstWritableRefId($oid);
                                                        if ($ref_id > 0)
                                                        {
                                                                $item["obj_link"] = ilLink::_getStaticLink($ref_id, $type);
                                                        }
                                                }
                                                break;
                                }
                                break;

                        case "mep":
                                $item["obj_type_txt"] = $this->lng->txt("obj_mep");
                                $item["obj_title"] = ilObject::_lookupTitle($usage["id"]);
                                $ref_id = $this->getFirstWritableRefId($usage["id"]);
                                if ($ref_id > 0)
                                {
                                        $item["obj_link"] = ilLink::_getStaticLink($ref_id, "mep");
                                }
                                break;

                        case "map":
                                $item["obj_type_txt"] = $this->lng->txt("obj_mob");
                                $item["obj_title"] = ilObject::_lookupTitle($usage["id"]);
                                $item["sub_txt"] = $this->lng->txt("cont_link_area");
                                break;
                }
                
                // show versions
                if ($this->include_hist)
                {
                        $ver = "";
                        if (is_array($usage["hist_nr"]) &&
                                (count($usage["hist_nr"]) > 1 || $usage["hist_nr"][0] > 0))
                        {
                                asort($usage["hist_nr"]);
                                $ver = $sep = "";
                                if ($usage["hist_nr"][0] == 0)
                                {
                                        array_shift($usage["hist_nr"]);
                                        $usage["hist_nr"][] = 0;
                                }
                                if (count($usage["hist_nr"]) > 5)
                                {
                                        $ver.= "..., ";
                                        $cnt = count($usage["hist_nr"]) - 5;
                                        for ($i = 0; $i < $cnt; $i++)
                                        {
                                                unset($usage["hist_nr"][$i]);
                                        }
                                }

                                foreach ($usage["hist_nr"] as $nr)
                                {
                                        if ($nr > 0)
                                        {
                                                $ver.= $sep.$nr;
                                        }
                                        else
                                        {
                                                $ver.= $sep.$this->lng->txt("cont_current_version");
                                        }
                                        $sep = ", ";
                                }

                        }
                        $this->tpl->setCurrentBlock("versions");
                        $this->tpl->setVariable("VAL_VERSIONS", $ver);
                        $this->tpl->parseCurrentBlock();
                }

                if ($item["obj_type_txt"] != "")
                {
                        $this->tpl->setVariable("VAL_TYPE", $item["obj_type_txt"]);
                }

                if ($usage["type"] != "clip")
                {
                        if ($item["obj_link"])
                        {
                                $this->tpl->setCurrentBlock("linked_item");
                                $this->tpl->setVariable("TXT_OBJECT", $item["obj_title"]);
                                $this->tpl->setVariable("HREF_LINK", $item["obj_link"]);
                                $this->tpl->parseCurrentBlock();
                        }
                        else
                        {
                                $this->tpl->setVariable("TXT_OBJECT_NO_LINK", $item["obj_title"]);
                        }
                        
                        if ($item["sub_txt"] != "")
                        {
                                $this->tpl->setVariable("SEP", ", ");
                                $this->tpl->setVariable("SUB_TXT", $item["sub_txt"]);
                                if ($item["sub_title"] != "")
                                {
                                        $this->tpl->setVariable("SEP2", ": ");
                                        $this->tpl->setVariable("SUB_TITLE", $item["sub_title"]);
                                }
                        }
                        
                }
                else
                {
                        $this->tpl->setVariable("TXT_OBJECT_NO_LINK", $this->lng->txt("cont_users_have_mob_in_clip1").
                                " ".$usage["cnt"]." ".$this->lng->txt("cont_users_have_mob_in_clip2"));

                }
        }

        function getFirstWritableRefId($a_obj_id)
        {
                global $ilAccess;
                
                $ref_ids = ilObject::_getAllReferences($a_obj_id);
                foreach ($ref_ids as $ref_id)
                {
                        if ($ilAccess->checkAccess("write", "", $ref_id))
                        {
                                return $ref_id;
                        }
                }
                return 0;
        }
}
?>