/**
  * show news
  */
 function showNews()
 {
     global $lng, $ilCtrl, $ilUser;
     // workaround for dynamic mode (if cache is disabled, showNews has no data)
     if (empty(self::$st_data)) {
         $this->setData($this->getNewsData());
     }
     $news_set = new ilSetting("news");
     $enable_internal_rss = $news_set->get("enable_rss_for_internal");
     include_once "./Services/News/classes/class.ilNewsItem.php";
     $news = new ilNewsItem($_GET["news_id"]);
     $tpl = new ilTemplate("tpl.show_news.html", true, true, "Services/News");
     // get current item in data set
     $previous = $next = "";
     reset($this->data);
     $c = current($this->data);
     $curr_cnt = 1;
     while ($c["id"] > 0 && $c["id"] != $_GET["news_id"]) {
         $previous = $c;
         $c = next($this->data);
         $curr_cnt++;
     }
     // collect news items to show
     $news_list = array();
     if (is_array($c["aggregation"])) {
         //$agg_obj_id = ilObject::_lookupObjId($c["agg_ref_id"]);
         //$agg_obj_type = ilObject::_lookupType($agg_obj_id);
         //$agg_obj_title = ilObject::_lookupObjId($agg_obj_id);
         $news_list[] = array("ref_id" => $c["agg_ref_id"], "agg_ref_id" => $c["agg_ref_id"], "aggregation" => $c["aggregation"], "user_id" => "", "content_type" => "text", "mob_id" => 0, "visibility" => "", "content" => "", "content_long" => "", "update_date" => $news->getUpdateDate(), "creation_date" => "", "content_is_lang_var" => false, "loc_context" => $_GET["news_context"], "context_obj_type" => $news->getContextObjType(), "title" => "");
         foreach ($c["aggregation"] as $c_item) {
             ilNewsItem::_setRead($ilUser->getId(), $c_item["id"]);
             $c_item["loc_context"] = $c_item["ref_id"];
             $c_item["loc_stop"] = $_GET["news_context"];
             $news_list[] = $c_item;
         }
     } else {
         $news_list[] = array("ref_id" => $_GET["news_context"], "user_id" => $news->getUserId(), "content_type" => $news->getContentType(), "mob_id" => $news->getMobId(), "visibility" => $news->getVisibility(), "priority" => $news->getPriority(), "content" => $news->getContent(), "content_long" => $news->getContentLong(), "update_date" => $news->getUpdateDate(), "creation_date" => $news->getCreationDate(), "context_sub_obj_type" => $news->getContextSubObjType(), "context_obj_type" => $news->getContextObjType(), "context_sub_obj_id" => $news->getContextSubObjId(), "content_is_lang_var" => $news->getContentIsLangVar(), "content_text_is_lang_var" => $news->getContentTextIsLangVar(), "loc_context" => $_GET["news_context"], "title" => $news->getTitle());
         ilNewsItem::_setRead($ilUser->getId(), $_GET["news_id"]);
     }
     foreach ($news_list as $item) {
         // user
         if ($item["user_id"] > 0 && ilObject::_exists($item["user_id"])) {
             // get login
             if (ilObjUser::_exists($item["user_id"])) {
                 $user = new ilObjUser($item["user_id"]);
                 $displayname = $user->getLogin();
             } else {
                 // this should actually not happen, since news entries
                 // should be deleted when the user is going to be removed
                 $displayname = "<" . strtolower($lng->txt("deleted")) . ">";
             }
             $tpl->setCurrentBlock("user_info");
             $tpl->setVariable("VAL_AUTHOR", $displayname);
             $tpl->setVariable("TXT_AUTHOR", $lng->txt("author"));
             $tpl->parseCurrentBlock();
         }
         // media player
         if ($item["content_type"] == NEWS_AUDIO && $item["mob_id"] > 0 && ilObject::_exists($item["mob_id"])) {
             include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
             include_once "./Services/MediaObjects/classes/class.ilMediaPlayerGUI.php";
             $mob = new ilObjMediaObject($item["mob_id"]);
             $med = $mob->getMediaItem("Standard");
             $mpl = new ilMediaPlayerGUI();
             if (strcasecmp("Reference", $med->getLocationType()) == 0) {
                 $mpl->setFile($med->getLocation());
             } else {
                 $mpl->setFile(ilObjMediaObject::_getURL($mob->getId()) . "/" . $med->getLocation());
             }
             $mpl->setDisplayHeight($med->getHeight());
             $tpl->setCurrentBlock("player");
             $tpl->setVariable("PLAYER", $mpl->getMp3PlayerHtml());
             $tpl->parseCurrentBlock();
         }
         // access
         if ($enable_internal_rss && $item["visibility"] != "") {
             $obj_id = ilObject::_lookupObjId($item["ref_id"]);
             $tpl->setCurrentBlock("access");
             $tpl->setVariable("TXT_ACCESS", $lng->txt("news_news_item_visibility"));
             if ($item["visibility"] == NEWS_PUBLIC || $item["priority"] == 0 && ilBlockSetting::_lookup("news", "public_notifications", 0, $obj_id)) {
                 $tpl->setVariable("VAL_ACCESS", $lng->txt("news_visibility_public"));
             } else {
                 $tpl->setVariable("VAL_ACCESS", $lng->txt("news_visibility_users"));
             }
             $tpl->parseCurrentBlock();
         }
         // content
         if (trim($item["content"]) != "") {
             $tpl->setCurrentBlock("content");
             $tpl->setVariable("VAL_CONTENT", nl2br($this->makeClickable(ilNewsItem::determineNewsContent($item["context_obj_type"], $item["content"], $item["content_text_is_lang_var"]))));
             //$tpl->setVariable("VAL_CONTENT", nl2br($item["content"]));
             $tpl->parseCurrentBlock();
         }
         if (trim($item["content_long"]) != "") {
             $tpl->setCurrentBlock("long");
             $tpl->setVariable("VAL_LONG_CONTENT", $this->makeClickable($item["content_long"]));
             $tpl->parseCurrentBlock();
         }
         if ($item["update_date"] != $item["creation_date"]) {
             $tpl->setCurrentBlock("ni_update");
             $tpl->setVariable("TXT_LAST_UPDATE", $lng->txt("last_update"));
             $tpl->setVariable("VAL_LAST_UPDATE", ilDatePresentation::formatDate(new ilDateTime($item["update_date"], IL_CAL_DATETIME)));
             $tpl->parseCurrentBlock();
         }
         // creation date
         if ($item["creation_date"] != "") {
             $tpl->setCurrentBlock("ni_update");
             $tpl->setVariable("VAL_CREATION_DATE", ilDatePresentation::formatDate(new ilDateTime($item["creation_date"], IL_CAL_DATETIME)));
             $tpl->setVariable("TXT_CREATED", $lng->txt("created"));
             $tpl->parseCurrentBlock();
         }
         // context / title
         if ($_GET["news_context"] > 0) {
             //$obj_id = ilObject::_lookupObjId($_GET["news_context"]);
             $obj_id = ilObject::_lookupObjId($item["ref_id"]);
             $obj_type = ilObject::_lookupType($obj_id);
             $obj_title = ilObject::_lookupTitle($obj_id);
             // file hack, not nice
             if ($obj_type == "file") {
                 $tpl->setCurrentBlock("download");
                 $tpl->setVariable("TXT_DOWNLOAD", $lng->txt("download"));
                 $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $item["ref_id"]);
                 $tpl->setVariable("HREF_DOWNLOAD", $ilCtrl->getLinkTargetByClass("ilrepositorygui", "sendfile"));
                 $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);
                 $tpl->parseCurrentBlock();
             }
             // forum hack, not nice
             $add = "";
             if ($obj_type == "frm" && $item["context_sub_obj_type"] == "pos" && $item["context_sub_obj_id"] > 0) {
                 include_once "./Modules/Forum/classes/class.ilObjForumAccess.php";
                 $pos = $item["context_sub_obj_id"];
                 $thread = ilObjForumAccess::_getThreadForPosting($pos);
                 if ($thread > 0) {
                     $add = "_" . $thread . "_" . $pos;
                 }
             }
             // wiki hack, not nice
             if ($obj_type == "wiki" && $item["context_sub_obj_type"] == "wpg" && $item["context_sub_obj_id"] > 0) {
                 include_once "./Modules/Wiki/classes/class.ilWikiPage.php";
                 $wptitle = ilWikiPage::lookupTitle($item["context_sub_obj_id"]);
                 if ($wptitle != "") {
                     $add = "_" . ilWikiUtil::makeUrlTitle($wptitle);
                 }
             }
             $url_target = "./goto.php?client_id=" . rawurlencode(CLIENT_ID) . "&target=" . $obj_type . "_" . $item["ref_id"] . $add;
             // lm page hack, not nice
             if (in_array($obj_type, array("dbk", "lm")) && $item["context_sub_obj_type"] == "pg" && $item["context_sub_obj_id"] > 0) {
                 $url_target = "./goto.php?client_id=" . rawurlencode(CLIENT_ID) . "&target=" . "pg_" . $item["context_sub_obj_id"] . "_" . $item["ref_id"];
             }
             $context_opened = false;
             if ($item["loc_context"] != null && $item["loc_context"] != $item["loc_stop"]) {
                 $tpl->setCurrentBlock("context");
                 $context_opened = true;
                 $cont_loc = new ilLocatorGUI();
                 $cont_loc->addContextItems($item["loc_context"], true, $item["loc_stop"]);
                 $tpl->setVariable("CONTEXT_LOCATOR", $cont_loc->getHTML());
             }
             //var_dump($item);
             if ($item["no_context_title"] !== true) {
                 if (!$context_opened) {
                     $tpl->setCurrentBlock("context");
                 }
                 $tpl->setVariable("HREF_CONTEXT_TITLE", $url_target);
                 $tpl->setVariable("CONTEXT_TITLE", $obj_title);
                 $tpl->setVariable("IMG_CONTEXT_TITLE", ilObject::_getIcon($obj_id, "big", $obj_type));
             }
             if ($context_opened) {
                 $tpl->parseCurrentBlock();
             }
             $tpl->setVariable("HREF_TITLE", $url_target);
         }
         // title
         $tpl->setVariable("VAL_TITLE", ilNewsItem::determineNewsTitle($item["context_obj_type"], $item["title"], $item["content_is_lang_var"], $item["agg_ref_id"], $item["aggregation"]));
         $row_css = $row_css != "tblrow1" ? "tblrow1" : "tblrow2";
         $tpl->setCurrentBlock("item");
         $tpl->setVariable("ITEM_ROW_CSS", $row_css);
         $tpl->parseCurrentBlock();
     }
     include_once "./Services/PersonalDesktop/classes/class.ilPDContentBlockGUI.php";
     $content_block = new ilPDContentBlockGUI();
     $content_block->setContent($tpl->get());
     if ($this->getProperty("title") != "") {
         $content_block->setTitle($this->getProperty("title"));
     } else {
         $content_block->setTitle($lng->txt("news_internal_news"));
     }
     //$content_block->setColSpan(2);
     $content_block->setImage(ilUtil::getImagePath("icon_news.png"));
     $this->addCloseCommand($content_block);
     // previous
     if ($previous != "") {
         if ($previous["ref_id"] > 0) {
             $ilCtrl->setParameter($this, "news_context", $previous["ref_id"]);
         }
         $ilCtrl->setParameter($this, "news_id", $previous["id"]);
         $content_block->addFooterLink($lng->txt("previous"), $ilCtrl->getLinkTarget($this, "showNews"), "", "", true);
         $ilCtrl->setParameter($this, "news_context", "");
     }
     // next
     if ($c = next($this->data)) {
         if ($c["ref_id"] > 0) {
             $ilCtrl->setParameter($this, "news_context", $c["ref_id"]);
         }
         $ilCtrl->setParameter($this, "news_id", $c["id"]);
         $content_block->addFooterLink($lng->txt("next"), $ilCtrl->getLinkTarget($this, "showNews"), "", "", true);
     }
     $ilCtrl->setParameter($this, "news_context", "");
     $ilCtrl->setParameter($this, "news_id", "");
     $content_block->setCurrentItemNumber($curr_cnt);
     $content_block->setEnableNumInfo(true);
     $content_block->setData($this->getData());
     return $content_block->getHTML();
 }
 /**
  * Standard Version of Fill Row. Most likely to
  * be overwritten by derived class.
  */
 protected function fillRow($a_set)
 {
     global $lng, $ilCtrl;
     $news_set = new ilSetting("news");
     $enable_internal_rss = $news_set->get("enable_rss_for_internal");
     // context
     $obj_id = ilObject::_lookupObjId($a_set["ref_id"]);
     $obj_type = ilObject::_lookupType($obj_id);
     $obj_title = ilObject::_lookupTitle($obj_id);
     // user
     if ($a_set["user_id"] > 0) {
         $this->tpl->setCurrentBlock("user_info");
         if ($obj_type == "frm") {
             include_once "./Modules/Forum/classes/class.ilForumProperties.php";
             if (ilForumProperties::_isAnonymized($a_set["context_obj_id"])) {
                 if ($a_set["context_sub_obj_type"] == "pos" && $a_set["context_sub_obj_id"] > 0) {
                     include_once "./Modules/Forum/classes/class.ilForumPost.php";
                     $post = new ilForumPost($a_set["context_sub_obj_id"]);
                     if ($post->getUserAlias() != "") {
                         $this->tpl->setVariable("VAL_AUTHOR", ilUtil::stripSlashes($post->getUserAlias()));
                     } else {
                         $this->tpl->setVariable("VAL_AUTHOR", $lng->txt("forums_anonymous"));
                     }
                 } else {
                     $this->tpl->setVariable("VAL_AUTHOR", $lng->txt("forums_anonymous"));
                 }
             } else {
                 if (ilObject::_exists($a_set["user_id"])) {
                     $user_obj = new ilObjUser($a_set["user_id"]);
                     $this->tpl->setVariable("VAL_AUTHOR", $user_obj->getLogin());
                 }
             }
         } else {
             if (ilObject::_exists($a_set["user_id"])) {
                 $user_obj = new ilObjUser($a_set["user_id"]);
                 $this->tpl->setVariable("VAL_AUTHOR", $user_obj->getLogin());
             }
         }
         $this->tpl->setVariable("TXT_AUTHOR", $lng->txt("author"));
         $this->tpl->parseCurrentBlock();
     }
     // media player
     if ($a_set["content_type"] == NEWS_AUDIO && $a_set["mob_id"] > 0 && ilObject::_exists($a_set["mob_id"])) {
         include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
         include_once "./Services/MediaObjects/classes/class.ilMediaPlayerGUI.php";
         $mob = new ilObjMediaObject($a_set["mob_id"]);
         $med = $mob->getMediaItem("Standard");
         $mpl = new ilMediaPlayerGUI();
         $mpl->setFile(ilObjMediaObject::_getDirectory($a_set["mob_id"]) . "/" . $med->getLocation());
         $this->tpl->setCurrentBlock("player");
         $this->tpl->setVariable("PLAYER", $mpl->getMp3PlayerHtml());
         $this->tpl->parseCurrentBlock();
     }
     // access
     if ($enable_internal_rss) {
         $this->tpl->setCurrentBlock("access");
         include_once "./Services/Block/classes/class.ilBlockSetting.php";
         $this->tpl->setVariable("TXT_ACCESS", $lng->txt("news_news_item_visibility"));
         if ($a_set["visibility"] == NEWS_PUBLIC || $a_set["priority"] == 0 && ilBlockSetting::_lookup("news", "public_notifications", 0, $obj_id)) {
             $this->tpl->setVariable("VAL_ACCESS", $lng->txt("news_visibility_public"));
         } else {
             $this->tpl->setVariable("VAL_ACCESS", $lng->txt("news_visibility_users"));
         }
         $this->tpl->parseCurrentBlock();
     }
     // content
     if ($a_set["content"] != "") {
         $this->tpl->setCurrentBlock("content");
         $this->tpl->setVariable("VAL_CONTENT", ilUtil::makeClickable($a_set["content"], true));
         $this->tpl->parseCurrentBlock();
     }
     if ($a_set["content_long"] != "") {
         $this->tpl->setCurrentBlock("long");
         $this->tpl->setVariable("VAL_LONG_CONTENT", ilUtil::makeClickable($a_set["content_long"], true));
         $this->tpl->parseCurrentBlock();
     }
     if ($a_set["update_date"] != $a_set["creation_date"]) {
         $this->tpl->setCurrentBlock("ni_update");
         $this->tpl->setVariable("TXT_LAST_UPDATE", $lng->txt("last_update"));
         $this->tpl->setVariable("VAL_LAST_UPDATE", ilDatePresentation::formatDate(new ilDateTime($a_set["update_date"], IL_CAL_DATETIME)));
         $this->tpl->parseCurrentBlock();
     }
     // forum hack, not nice
     $add = "";
     if ($obj_type == "frm" && $a_set["context_sub_obj_type"] == "pos" && $a_set["context_sub_obj_id"] > 0) {
         include_once "./Modules/Forum/classes/class.ilObjForumAccess.php";
         $pos = $a_set["context_sub_obj_id"];
         $thread = ilObjForumAccess::_getThreadForPosting($pos);
         if ($thread > 0) {
             $add = "_" . $thread . "_" . $pos;
         }
     }
     $url_target = "./goto.php?client_id=" . rawurlencode(CLIENT_ID) . "&target=" . $obj_type . "_" . $a_set["ref_id"] . $add;
     $this->tpl->setCurrentBlock("context");
     $cont_loc = new ilLocatorGUI();
     $cont_loc->addContextItems($a_set["ref_id"], true);
     $this->tpl->setVariable("CONTEXT_LOCATOR", $cont_loc->getHTML());
     $this->tpl->setVariable("HREF_CONTEXT_TITLE", $url_target);
     $this->tpl->setVariable("CONTEXT_TITLE", $obj_title);
     $this->tpl->setVariable("ALT_CONTEXT_TITLE", $lng->txt("icon") . " " . $lng->txt("obj_" . $obj_type));
     $this->tpl->setVariable("IMG_CONTEXT_TITLE", ilUtil::getImagePath("icon_" . $obj_type . "_b.png"));
     $this->tpl->parseCurrentBlock();
     $this->tpl->setVariable("HREF_TITLE", $url_target);
     // title
     if ($a_set["content_is_lang_var"]) {
         $this->tpl->setVariable("VAL_TITLE", $lng->txt($a_set["title"]));
     } else {
         $this->tpl->setVariable("VAL_TITLE", ilUtil::stripSlashes($a_set["title"]));
         // title
     }
     // creation date
     $this->tpl->setVariable("VAL_CREATION_DATE", ilDatePresentation::formatDate(new ilDateTime($a_set["creation_date"], IL_CAL_DATETIME)));
     $this->tpl->setVariable("TXT_CREATED", $lng->txt("created"));
     $this->tpl->parseCurrentBlock();
 }