class.ilNewsItemGUI.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/News/classes/class.ilNewsItemGUIGen.php");

class ilNewsItemGUI extends ilNewsItemGUIGen
{

        function __construct()
        {
                global $ilCtrl;
                
                parent::__construct();
                
                $ilCtrl->saveParameter($this, "add_mode");
        }
        
        function getHTML()
        {
                global $lng, $ilCtrl;
                
                $lng->LoadLanguageModule("news");
                
                return $this->getNewsForContextBlock();
        }
        
        public function prepareBlockNewsForContext(&$a_block_gui)
        {
                $a_block_gui->setParentClass("ilinfoscreengui");
                $a_block_gui->setParentCmd("showSummary");
                $a_block_gui->setEnableEdit($this->getEnableEdit());
        }

        function prepareBlockQueryNewsForContext(&$a_news_item)
        {
                $a_news_item->setContextObjId($this->ctrl->getContextObjId());
                $a_news_item->setContextObjType($this->ctrl->getContextObjType());
        }
        
        function prepareSaveNewsItem(&$a_news_item)
        {
                global $ilUser;
                
                $a_news_item->setContextObjId($this->ctrl->getContextObjId());
                $a_news_item->setContextObjType($this->ctrl->getContextObjType());
                $a_news_item->setUserId($ilUser->getId());

                $news_set = new ilSetting("news");
                if (!$news_set->get("enable_rss_for_internal"))
                {
                        $a_news_item->setVisibility("users");
                }
        }
        
        public function prepareFormNewsItem(&$a_form_gui)
        {
                $a_form_gui->setTitleIcon(ilUtil::getImagePath("icon_news.gif"));
                
                $news_set = new ilSetting("news");
                if (!$news_set->get("enable_rss_for_internal"))
                {
                        $a_form_gui->removeItemByPostVar("news_visibility");
                }
                else
                {
                        $nv = $a_form_gui->getItemByPostVar("news_visibility");
                        if (is_object($nv))
                        {
                                $nv->setValue(ilNewsItem::_getDefaultVisibilityForRefId($_GET["ref_id"]));
                        }
                }
        }
        
        function saveNewsItem()
        {
                if (!$this->getEnableEdit())
                {
                        return;
                }
                
                return parent::saveNewsItem();
        }
        
        function exitSaveNewsItem()
        {
                global $ilCtrl;
                
                if ($_GET["add_mode"] == "block")
                {
                        $ilCtrl->returnToParent($this);
                }
                else
                {
                        $ilCtrl->redirect($this, "editNews");
                }
        }

        function updateNewsItem()
        {
                if (!$this->getEnableEdit())
                {
                        return;
                }
                
                return parent::updateNewsItem();
        }

        function exitUpdateNewsItem()
        {
                global $ilCtrl;
                
                $ilCtrl->redirect($this, "editNews");
        }

        function cancelUpdateNewsItem()
        {
                return $this->editNews();
        }

        function cancelSaveNewsItem()
        {
                global $ilCtrl;
                
                if ($_GET["add_mode"] == "block")
                {
                        $ilCtrl->returnToParent($this);
                }
                else
                {
                        return $this->editNews();
                }
        }

        function editNews()
        {
                if (!$this->getEnableEdit())
                {
                        return;
                }
                return $this->getNewsForContextTable();
        }

        
        function cancelUpdate()
        {
                return $this->editNews();
        }
        
        function prepareTableNewsForContext(&$a_table_gui)
        {
                global $ilCtrl, $lng;
                
                $a_table_gui->setDefaultOrderField("creation_date");
                $a_table_gui->setDefaultOrderDirection("desc");
                $a_table_gui->addCommandButton("createNewsItem", $lng->txt("add"));
                $a_table_gui->addMultiCommand("confirmDeletionNewsItems", $lng->txt("delete"));
                $a_table_gui->setTitle($lng->txt("news"), "icon_news.gif", $lng->txt("news"));
                $a_table_gui->setSelectAllCheckbox("news_id");
        }

        function confirmDeletionNewsItems()
        {
                global $ilCtrl, $lng;

                if (!$this->getEnableEdit())
                {
                        return;
                }
                
                // check whether at least one item is selected
                if (count($_POST["news_id"]) == 0)
                {
                        ilUtil::sendInfo($lng->txt("no_checkbox"));
                        return $this->editNews();
                }

                include_once("Services/Utilities/classes/class.ilConfirmationGUI.php");
                $c_gui = new ilConfirmationGUI();
                
                // set confirm/cancel commands
                $c_gui->setFormAction($ilCtrl->getFormAction($this, "deleteNewsItems"));
                $c_gui->setHeaderText($lng->txt("info_delete_sure"));
                $c_gui->setCancel($lng->txt("cancel"), "editNews");
                $c_gui->setConfirm($lng->txt("confirm"), "deleteNewsItems");

                // add items to delete
                foreach($_POST["news_id"] as $news_id)
                {
                        $news = new ilNewsItem($news_id);
                        $c_gui->addItem("news_id[]", $news_id, $news->getTitle(),
                                ilUtil::getImagePath("icon_news.gif"));
                }
                
                return $c_gui->getHTML();
        }

        function deleteNewsItems()
        {
                if (!$this->getEnableEdit())
                {
                        return;
                }
                // delete all selected news items
                foreach($_POST["news_id"] as $news_id)
                {
                        $news = new ilNewsItem($news_id);
                        $news->delete();
                }
                
                return $this->editNews();
        }
}