class.ilPDNewsTableGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

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

class ilPDNewsTableGUI extends ilTable2GUI
{

        function __construct($a_parent_obj, $a_parent_cmd = "", $a_contexts,
                $a_selected_context)
        {
                global $ilCtrl, $lng;
                
                parent::__construct($a_parent_obj, $a_parent_cmd);
                
                $this->contexts = $a_contexts;
                $this->selected_context = $a_selected_context;
                $this->addColumn("");
                //$this->addColumn($lng->txt("date"), "creation_date", "1");
                //$this->addColumn($lng->txt("news_news_item_content"), "");
                $this->setFormAction($ilCtrl->getFormAction($a_parent_obj));
                $this->setRowTemplate("tpl.table_row_pd_news.html",
                        "Services/News");
                $this->setDefaultOrderField("update_date");
                $this->setDefaultOrderDirection("desc");
                $this->setEnableTitle(false);
                $this->setEnableHeader(false);
                $this->setIsDataTable(false);
                $this->initFilter();
        }
        
        function initFilter()
        {
                global $lng, $ilUser;
                
                // period
                $per = ($_SESSION["news_pd_news_per"] != "")
                        ? $_SESSION["news_pd_news_per"]
                        : ilNewsItem::_lookupUserPDPeriod($ilUser->getId());
                $news_set = new ilSetting("news");
                $allow_shorter_periods = $news_set->get("allow_shorter_periods");
                $allow_longer_periods = $news_set->get("allow_longer_periods");
                $default_per = ilNewsItem::_lookupDefaultPDPeriod();

                $options = array(
                        2 => sprintf($lng->txt("news_period_x_days"), 2),
                        3 => sprintf($lng->txt("news_period_x_days"), 3),
                        5 => sprintf($lng->txt("news_period_x_days"), 5),
                        7 => $lng->txt("news_period_1_week"),
                        14 => sprintf($lng->txt("news_period_x_weeks"), 2),
                        30 => $lng->txt("news_period_1_month"),
                        60 => sprintf($lng->txt("news_period_x_months"), 2),
                        120 => sprintf($lng->txt("news_period_x_months"), 4),
                        180 => sprintf($lng->txt("news_period_x_months"), 6),
                        366 =>  $lng->txt("news_period_1_year"));
                        
                $unset = array();
                foreach($options as $k => $opt)
                {
                        if (!$allow_shorter_periods && ($k < $default_per)) $unset[$k] = $k;
                        if (!$allow_longer_periods && ($k > $default_per)) $unset[$k] = $k;
                }
                foreach($unset as $k)
                {
                        unset($options[$k]);
                }

                include_once("./Services/Form/classes/class.ilSelectInputGUI.php");
                $si = new ilSelectInputGUI($this->lng->txt("news_time_period"), "news_per");
                $si->setOptions($options);
                $si->setValue($per);
                $this->addFilterItem($si);
                
                // related to...
                $si = new ilSelectInputGUI($this->lng->txt("context"), "news_ref_id");
                $si->setOptions($this->contexts);
                $si->setValue($this->selected_context);
                $this->addFilterItem($si);
        }
        
        
        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"]))
                                {
                                        $this->tpl->setVariable("VAL_AUTHOR", ilObjUser::_lookupLogin($a_set["user_id"]));
                                }
                        }
                        $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");
                        $this->tpl->setVariable("VAL_CONTENT",
                                nl2br($this->makeClickable(
                                        ilNewsItem::determineNewsContent($a_set["context_obj_type"], $a_set["content"], $a_set["content_text_is_lang_var"])
                                )));
                        $this->tpl->parseCurrentBlock();
                }
                if ($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"])   // update 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;
                        }
                }

                // file hack, not nice
                if ($obj_type == "file")
                {
                        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $a_set["ref_id"]);
                        $url = $ilCtrl->getLinkTargetByClass("ilrepositorygui", "sendfile");
                        $ilCtrl->setParameterByClass("ilrepositorygui", "ref_id", $_GET["ref_id"]);

                        include_once "Services/UIComponent/Button/classes/class.ilLinkButton.php";
                        $button = ilLinkButton::getInstance();
                        $button->setUrl($url);
                        $button->setCaption("download");

                        $this->tpl->setCurrentBlock("download");
                        $this->tpl->setVariable("BUTTON_DOWNLOAD", $button->render());
                        $this->tpl->parseCurrentBlock();
                }

                // wiki hack, not nice
                if ($obj_type == "wiki" && $a_set["context_sub_obj_type"] == "wpg"
                        && $a_set["context_sub_obj_id"] > 0)
                {
                        include_once("./Modules/Wiki/classes/class.ilWikiPage.php");
                        $wptitle = ilWikiPage::lookupTitle($a_set["context_sub_obj_id"]);
                        if ($wptitle != "")
                        {
                                $add = "_".ilWikiUtil::makeUrlTitle($wptitle);
                        }
                }


                $url_target = "./goto.php?client_id=".rawurlencode(CLIENT_ID)."&target=".
                        $obj_type."_".$a_set["ref_id"].$add;

                // lm page hack, not nice
                if (in_array($obj_type, array("dbk", "lm")) && $a_set["context_sub_obj_type"] == "pg"
                        && $a_set["context_sub_obj_id"] > 0)
                {
                        $url_target = "./goto.php?client_id=".rawurlencode(CLIENT_ID)."&target=".
                                "pg_".$a_set["context_sub_obj_id"]."_".$a_set["ref_id"];
                }


                $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.".svg"));
                $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();
        }

        function makeClickable($a_str)
        {
                // this fixes bug 8744. We assume that strings that contain < and >
                // already contain html, we do not handle these
                if (is_int(strpos($a_str, ">")) && is_int(strpos($a_str, "<")))
                {
                        return $a_str;
                }

                return ilUtil::makeClickable($a_str);
        }

}
?>