class.ilWikiPageGUI.php

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<?php
/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");
include_once("./Modules/Wiki/classes/class.ilWikiPage.php");

class ilWikiPageGUI extends ilPageObjectGUI
{
        function __construct($a_id = 0, $a_old_nr = 0, $a_wiki_ref_id = 0)
        {
                global $tpl;

                // needed for notifications
                $this->setWikiRefId($a_wiki_ref_id);
                
                parent::__construct("wpg", $a_id, $a_old_nr);
                $this->getPageObject()->setWikiRefId($this->getWikiRefId());
                
                // content style
                include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
                
                $tpl->setCurrentBlock("SyntaxStyle");
                $tpl->setVariable("LOCATION_SYNTAX_STYLESHEET",
                        ilObjStyleSheet::getSyntaxStylePath());
                $tpl->parseCurrentBlock();
        }
        
        function setScreenIdComponent()
        {
                global $ilHelp;
                
                $ilHelp->setScreenIdComponent("copgwpg");
        }

        function setWikiRefId($a_ref_id)
    {
                $this->wiki_ref_id = $a_ref_id;
        }

        function getWikiRefId()
    {
                return $this->wiki_ref_id;
        }

        function &executeCommand()
        {
                global $ilCtrl, $ilTabs, $ilUser;
                
                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd();

                switch($next_class)
                {
                        case "ilnotegui":
                                $this->getTabs();
                                $ilTabs->setTabActive("pg");
                                return $this->preview();
                                break;
                                                
                        case "ilratinggui":                             
                                // for rating side block
                                include_once("./Services/Rating/classes/class.ilRatingGUI.php");
                                $rating_gui = new ilRatingGUI();
                                $rating_gui->setObject($this->getPageObject()->getParentId(), "wiki",
                                        $this->getPageObject()->getId(), "wpg");
                                $this->ctrl->forwardCommand($rating_gui);
                                $ilCtrl->redirect($this, "preview");
                                break;

                        case "ilpageobjectgui":
        die("Deprecated. Wikipage gui forwarding to ilpageobject");
                                return;
                                
                        case "ilcommonactiondispatchergui":
                                include_once("Services/Object/classes/class.ilCommonActionDispatcherGUI.php");
                                $gui = ilCommonActionDispatcherGUI::getInstanceFromAjaxCall();
                                $gui->enableCommentsSettings(false);
                                $gui->setRatingCallback($this, "preview");
                                $this->ctrl->forwardCommand($gui);
                                break;
                                
                        default:

                                if($_GET["ntf"])
                                {
                                        include_once "./Services/Notification/classes/class.ilNotification.php";
                    switch($_GET["ntf"])
                                    {
                                                case 1:
                                                        ilNotification::setNotification(ilNotification::TYPE_WIKI, $ilUser->getId(), $this->getPageObject()->getParentId(), false);
                                                        break;

                                                case 2:
                                                        // remove all page notifications here?
                                                        ilNotification::setNotification(ilNotification::TYPE_WIKI, $ilUser->getId(), $this->getPageObject()->getParentId(), true);
                                                        break;

                                                case 3:
                                                        ilNotification::setNotification(ilNotification::TYPE_WIKI_PAGE, $ilUser->getId(), $this->getPageObject()->getId(), false);
                                                        break;

                                                case 4:
                                                        ilNotification::setNotification(ilNotification::TYPE_WIKI_PAGE, $ilUser->getId(), $this->getPageObject()->getId(), true);
                                                        break;
                                   }
                                   $ilCtrl->redirect($this, "preview");
                                }
                                
                                $this->setPresentationTitle($this->getWikiPage()->getTitle());
                                return parent::executeCommand();
                }
        }

        function setWikiPage($a_wikipage)
        {
                $this->setPageObject($a_wikipage);
        }

        function getWikiPage()
        {
                return $this->getPageObject();
        }

        static function getGUIForTitle($a_wiki_id, $a_title, $a_old_nr = 0, $a_wiki_ref_id = 0)
        {
                global $ilDB;

                include_once("./Modules/Wiki/classes/class.ilWikiPage.php");
                $id = ilWikiPage::getPageIdForTitle($a_wiki_id, $a_title);
                $page_gui = new ilWikiPageGUI($id, $a_old_nr, $a_wiki_ref_id);
                
                return $page_gui;
        }
        
        function setSideBlock()
        {
                ilObjWikiGUI::renderSideBlock($this->getWikiPage()->getId(),
                        $this->wiki_ref_id, $this->getWikiPage());
        }
        
        function addHeaderAction($a_redraw = false)
        {                       
                global $ilUser, $ilAccess;
                
                $wiki_id = $this->getPageObject()->getParentId();
                $page_id = $this->getPageObject()->getId();
                
                include_once "Services/Object/classes/class.ilCommonActionDispatcherGUI.php";
                $dispatcher = new ilCommonActionDispatcherGUI(ilCommonActionDispatcherGUI::TYPE_REPOSITORY, 
                        $ilAccess, "wiki", $_GET["ref_id"], $wiki_id);
                $dispatcher->setSubObject("wpg", $page_id);

                include_once "Services/Object/classes/class.ilObjectListGUI.php";
                ilObjectListGUI::prepareJSLinks($this->ctrl->getLinkTarget($this, "redrawHeaderAction", "", true),                      
                        $this->ctrl->getLinkTargetByClass(array("ilcommonactiondispatchergui", "ilnotegui"), "", "", true, false), 
                        $this->ctrl->getLinkTargetByClass(array("ilcommonactiondispatchergui", "iltagginggui"), "", "", true, false));

                $lg = $dispatcher->initHeaderAction();
                $lg->enableNotes(true);
                $lg->enableComments(ilObjWiki::_lookupPublicNotes($wiki_id), false);
                
                // rating
                if (ilObjWiki::_lookupRatingOverall($wiki_id))
                {
                        $lg->enableRating(true, $this->lng->txt("wiki_rate_overall"), 
                                false,
                                // so ilCtrl does not use the shortcut via ilWikiGUI
                                array("ilcommonactiondispatchergui", "ilratinggui"));
                }

                // notification
                if ($ilUser->getId() != ANONYMOUS_USER_ID)
                {
                        include_once "./Services/Notification/classes/class.ilNotification.php";
                        if(ilNotification::hasNotification(ilNotification::TYPE_WIKI, $ilUser->getId(), $wiki_id))
                        {
                                $this->ctrl->setParameter($this, "ntf", 1);
                                $lg->addCustomCommand($this->ctrl->getLinkTarget($this), "wiki_notification_deactivate_wiki");

                                $lg->addHeaderIcon("not_icon",
                                        ilUtil::getImagePath("notification_on.png"),
                                        $this->lng->txt("wiki_notification_activated"));
                        }
                        else
                        {
                                $this->ctrl->setParameter($this, "ntf", 2);
                                $lg->addCustomCommand($this->ctrl->getLinkTarget($this), "wiki_notification_activate_wiki");
                                
                                if(ilNotification::hasNotification(ilNotification::TYPE_WIKI_PAGE, $ilUser->getId(), $page_id))
                                {
                                        $this->ctrl->setParameter($this, "ntf", 3);
                                        $lg->addCustomCommand($this->ctrl->getLinkTarget($this), "wiki_notification_deactivate_page");

                                        $lg->addHeaderIcon("not_icon",
                                                ilUtil::getImagePath("notification_on.png"),
                                                $this->lng->txt("wiki_page_notification_activated"));                                   
                                }
                                else
                                {
                                        $this->ctrl->setParameter($this, "ntf", 4);
                                        $lg->addCustomCommand($this->ctrl->getLinkTarget($this), "wiki_notification_activate_page");
                                        
                                        $lg->addHeaderIcon("not_icon",
                                                ilUtil::getImagePath("notification_off.png"),
                                                $this->lng->txt("wiki_notification_deactivated"));
                                }
                        }
                        $this->ctrl->setParameter($this, "ntf", "");
                }               
                
                if(!$a_redraw)
                {
                        $this->tpl->setHeaderActionMenu($lg->getHeaderAction());                
                }
                else
                {
                        // we need to add onload code manually (rating, comments, etc.)
                        return $lg->getHeaderAction().
                                $this->tpl->getOnLoadCodeForAsynch();
                }
        }
                
        function redrawHeaderAction()
        {               
                echo $this->addHeaderAction(true);
                exit;
        }

        function preview()
        {
                global $ilCtrl, $ilAccess, $lng, $tpl, $ilUser, $ilSetting, $ilToolbar;

                // block/unblock
                if ($this->getPageObject()->getBlocked())
                {
                        ilUtil::sendInfo($lng->txt("wiki_page_status_blocked"));
                }

                $this->increaseViewCount();
                                
                $this->addHeaderAction();
                
                // content
                $this->setSideBlock();
                
                $wtpl = new ilTemplate("tpl.wiki_page_view_main_column.html",
                        true, true, "Modules/Wiki");
                
                $callback = array($this, "observeNoteAction");
                
                // notes
                if (!$ilSetting->get("disable_comments") &&
                        ilObjWiki::_lookupPublicNotes($this->getPageObject()->getParentId()))
                {
                        $wtpl->setVariable("NOTES", $this->getNotesHTML($this->getPageObject(),
                                true, ilObjWiki::_lookupPublicNotes($this->getPageObject()->getParentId()),
                                $ilAccess->checkAccess("write", "", $_GET["ref_id"]), $callback));
                }
                
                // permanent link
                $append = ($_GET["page"] != "")
                        ? "_".ilWikiUtil::makeUrlTitle($_GET["page"])
                        : "";
                include_once("./Services/PermanentLink/classes/class.ilPermanentLinkGUI.php");
                $perma_link = new ilPermanentLinkGUI("wiki", $_GET["ref_id"], $append);
                $wtpl->setVariable("PERMA_LINK", $perma_link->getHTML());

                // page content
                $this->setOutputMode(IL_PAGE_PRESENTATION);
                $this->setRenderPageContainer(true);
                $wtpl->setVariable("PAGE", $this->showPage());

                $tpl->setLoginTargetPar("wiki_".$_GET["ref_id"].$append);

                // last edited info
                include_once("./Services/User/classes/class.ilUserUtil.php");
                $wtpl->setVariable("LAST_EDITED_INFO",
                        $lng->txt("wiki_last_edited").": ".
                        ilDatePresentation::formatDate(
                                new ilDateTime($this->getPageObject()->getLastChange(),IL_CAL_DATETIME)).", ".
                        ilUserUtil::getNamePresentation($this->getPageObject()->getLastChangeUser(),
                                false, true, $ilCtrl->getLinkTarget($this, "preview")));

                $tpl->setLoginTargetPar("wiki_".$_GET["ref_id"].$append);
                
                //highlighting
                if ($_GET["srcstring"] != "")
                {
                        include_once './Services/Search/classes/class.ilUserSearchCache.php';
                        $cache =  ilUserSearchCache::_getInstance($ilUser->getId());
                        $cache->switchSearchType(ilUserSearchCache::LAST_QUERY);
                        $search_string = $cache->getQuery();

                        include_once("./Services/UIComponent/TextHighlighter/classes/class.ilTextHighlighterGUI.php");
                        include_once("./Services/Search/classes/class.ilQueryParser.php");
                        $p = new ilQueryParser($search_string);
                        $p->parse();

                        $words = $p->getQuotedWords();
                        if (is_array($words))
                        {
                                foreach ($words as $w)
                                {
                                        ilTextHighlighterGUI::highlight("ilCOPageContent", $w, $tpl);
                                }
                        }
                        $this->fill_on_load_code = true;
                }
                
                return $wtpl->get();
        }
        
        function showPage()
        {
                global $tpl, $ilCtrl;
                
                // content style
/*              include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
                $tpl->setCurrentBlock("ContentStyle");
                $tpl->setVariable("LOCATION_CONTENT_STYLESHEET",
                        ilObjStyleSheet::getContentStylePath(0));
                $tpl->parseCurrentBlock();
*/
                $this->setTemplateOutput(false);
                $this->setPresentationTitle($this->getWikiPage()->getTitle());
                $this->increaseViewCount();                     
                $output = parent::showPage();
                
                return $output;
        }
        
        protected function increaseViewCount()
        {
                global $ilUser;
                
                $this->getWikiPage()->increaseViewCnt();
                
                // enable object statistics
                require_once('Services/Tracking/classes/class.ilChangeEvent.php');
                ilChangeEvent::_recordReadEvent("wiki", $this->getWikiPage()->getWikiRefId(),
                        $this->getWikiPage()->getWikiId(), $ilUser->getId());                   
        }

        function postOutputProcessing($a_output)
        {
//echo htmlentities($a_output);
                include_once("./Modules/Wiki/classes/class.ilWikiUtil.php");
                $output = ilWikiUtil::replaceInternalLinks($a_output,
                        $this->getWikiPage()->getWikiId(),
                        ($this->getOutputMode() == "offline"));
                return $output;
        }
        
        function whatLinksHere()
        {
                global $tpl;
                
                include_once("./Modules/Wiki/classes/class.ilWikiPagesTableGUI.php");
                
                $this->setSideBlock($_GET["wpg_id"]);
                $table_gui = new ilWikiPagesTableGUI($this, "whatLinksHere",
                        $this->getWikiPage()->getWikiId(), IL_WIKI_WHAT_LINKS_HERE, $_GET["wpg_id"]);
                        
                $tpl->setContent($table_gui->getHTML());
        }

        function getTabs($a_activate = "")
        {
                global $ilTabs, $ilCtrl;

                parent::getTabs($a_activate);
                
                $ilCtrl->setParameterByClass("ilobjwikigui", "wpg_id",
                        ilWikiPage::getPageIdForTitle($this->getPageObject()->getParentId(),
                        ilWikiUtil::makeDbTitle($_GET["page"])));
                $ilCtrl->setParameterByClass("ilobjwikigui", "page", ilWikiUtil::makeUrlTitle($_GET["page"]));

                $ilTabs->addTarget("wiki_what_links_here",
                        $this->ctrl->getLinkTargetByClass("ilwikipagegui",
                        "whatLinksHere"), "whatLinksHere");
                //$ilTabs->addTarget("wiki_print_view",
                //      $this->ctrl->getLinkTargetByClass("ilobjwikigui",
                //      "printViewSelection"), "printViewSelection");
                $ilTabs->addTarget("wiki_print_view",
                        $this->ctrl->getLinkTargetByClass("ilwikipagegui",
                        "printViewSelection"), "printViewSelection");

        }

        function deleteWikiPageConfirmationScreen()
        {
                global $ilAccess, $tpl, $ilCtrl, $lng;
                
                if ($ilAccess->checkAccess("write", "", $_GET["ref_id"]))
                {
                        include_once("./Services/Utilities/classes/class.ilConfirmationGUI.php");
                        $confirmation_gui = new ilConfirmationGUI();
                        $confirmation_gui->setFormAction($ilCtrl->getFormAction($this));
                        $confirmation_gui->setHeaderText($lng->txt("wiki_page_deletion_confirmation"));
                        $confirmation_gui->setCancel($lng->txt("cancel"), "cancelWikiPageDeletion");
                        $confirmation_gui->setConfirm($lng->txt("delete"), "confirmWikiPageDeletion");
                        
                        $dtpl = new ilTemplate("tpl.wiki_page_deletion_confirmation.html", true,
                                true, "Modules/Wiki");
                                
                        $dtpl->setVariable("PAGE_TITLE", $this->getWikiPage()->getTitle());
                        
                        // other pages that link to this page
                        $dtpl->setVariable("TXT_OTHER_PAGES", $lng->txt("wiki_other_pages_linking"));
                        $pages = ilWikiPage::getLinksToPage($this->getWikiPage()->getWikiId(),
                                        $this->getWikiPage()->getId());
                        if (count($pages) > 0)
                        {
                                foreach($pages as $page)
                                {
                                        $dtpl->setCurrentBlock("lpage");
                                        $dtpl->setVariable("TXT_LINKING_PAGE", $page["title"]);
                                        $dtpl->parseCurrentBlock();
                                }
                        }
                        else
                        {
                                $dtpl->setCurrentBlock("lpage");
                                $dtpl->setVariable("TXT_LINKING_PAGE", "-");
                                $dtpl->parseCurrentBlock();
                        }
                        
                        // contributors
                        $dtpl->setVariable("TXT_CONTRIBUTORS", $lng->txt("wiki_contributors"));
                        $contributors = ilWikiPage::getPageContributors($this->getWikiPage()->getId());
                        foreach($contributors as $contributor)
                        {
                                $dtpl->setCurrentBlock("contributor");
                                $dtpl->setVariable("TXT_CONTRIBUTOR",
                                        $contributor["lastname"].", ".$contributor["firstname"]);
                                $dtpl->parseCurrentBlock();
                        }
                        
                        // notes/comments
                        include_once("./Services/Notes/classes/class.ilNote.php");
                        $cnt_note_users = ilNote::getUserCount($this->getPageObject()->getParentId(),
                                $this->getPageObject()->getId(), "wpg");
                        $dtpl->setVariable("TXT_NUMBER_USERS_NOTES_OR_COMMENTS",
                                $lng->txt("wiki_number_users_notes_or_comments"));
                        $dtpl->setVariable("TXT_NR_NOTES_COMMENTS", $cnt_note_users);
                        
                        $confirmation_gui->addItem("", "", $dtpl->get());
                        
                        $tpl->setContent($confirmation_gui->getHTML());
                }
        }

        function cancelWikiPageDeletion()
        {
                global $lng, $ilCtrl;
                
                $ilCtrl->redirect($this, "preview");
                
        }
        
        function confirmWikiPageDeletion()
        {
                global $ilAccess, $tpl, $ilCtrl, $lng;
                
                if ($ilAccess->checkAccess("write", "", $_GET["ref_id"]))
                {
                        $this->getPageObject()->delete();
                        
                        ilUtil::sendSuccess($lng->txt("wiki_page_deleted"), true);
                }
                
                $ilCtrl->redirectByClass("ilobjwikigui", "allPages");
        }


        function printViewSelection()
        {
                global $ilUser, $lng, $ilToolbar, $ilCtrl, $tpl;

                /*$ilToolbar->setFormAction($ilCtrl->getFormActionByClass("ilobjwikigui", "printView"),
                        false, "print_view");
                $ilToolbar->addFormButton($lng->txt("cont_show_print_view"), "printView");
                $ilToolbar->setCloseFormTag(false);*/

                $this->initPrintViewSelectionForm();

                $tpl->setContent($this->form->getHTML());
        }

        public function initPrintViewSelectionForm()
        {
                global $lng, $ilCtrl;

                $pages = ilWikiPage::getAllPages(ilObject::_lookupObjId($this->getWikiRefId()));

                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form = new ilPropertyFormGUI();
//var_dump($pages);
                // selection type
                $radg = new ilRadioGroupInputGUI($lng->txt("cont_selection"), "sel_type");
                $radg->setValue("page");
                        $op1 = new ilRadioOption($lng->txt("cont_current_page"), "page");
                        $radg->addOption($op1);
                        $op2 = new ilRadioOption($lng->txt("wiki_whole_wiki")
                                ." (".$lng->txt("wiki_pages").": ".count($pages).")", "wiki");
                        $radg->addOption($op2);
                        $op3= new ilRadioOption($lng->txt("wiki_selected_pages"), "selection");
                        $radg->addOption($op3);

                        include_once("./Services/Form/classes/class.ilNestedListInputGUI.php");
                        $nl = new ilNestedListInputGUI("", "obj_id");
                        $op3->addSubItem($nl);

                        foreach ($pages as $p)
                        {
                                $nl->addListNode($p["id"], $p["title"], 0, false, false,
                                                ilUtil::getImagePath("icon_pg_s.png"), $lng->txt("wiki_page"));
                        }

                $this->form->addItem($radg);

                $this->form->addCommandButton("printView", $lng->txt("cont_show_print_view"));
                //$this->form->setOpenTag(false);
                //$this->form->setCloseTag(false);

                $this->form->setTitle($lng->txt("cont_print_selection"));
                $this->form->setFormAction($ilCtrl->getFormActionByClass("ilobjwikigui", "printView"),
                        false, "print_view");
        }


        function blockWikiPage()
        {
                global $ilAccess, $tpl, $ilCtrl, $lng;

                if ($ilAccess->checkAccess("write", "", $_GET["ref_id"]))
                {
                        $this->getPageObject()->setBlocked(true);
                        $this->getPageObject()->update();

                        ilUtil::sendSuccess($lng->txt("wiki_page_blocked"), true);
                }

                $ilCtrl->redirect($this, "preview");
        }

        function unblockWikiPage()
        {
                global $ilAccess, $tpl, $ilCtrl, $lng;

                if ($ilAccess->checkAccess("write", "", $_GET["ref_id"]))
                {
                        $this->getPageObject()->setBlocked(false);
                        $this->getPageObject()->update();

                        ilUtil::sendSuccess($lng->txt("wiki_page_unblocked"), true);
                }

                $ilCtrl->redirect($this, "preview");
        }


        function renameWikiPage()
        {
                global $ilAccess, $tpl, $ilCtrl, $lng;

                if ($ilAccess->checkAccess("edit_content", "", $_GET["ref_id"]))
                {
                        $this->initRenameForm();
                        $tpl->setContent($this->form->getHTML());
                }
        }

        protected function initRenameForm()
        {
                global $lng, $ilCtrl;

                include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
                $this->form = new ilPropertyFormGUI();

                // new name
                $ti = new ilTextInputGUI($lng->txt("wiki_new_page_name"), "new_page_name");
                $ti->setMaxLength(200);
                $ti->setSize(50);
                $ti->setValue($this->getPageObject()->getTitle());
                $ti->setRequired(true);
                $this->form->addItem($ti);

                $this->form->addCommandButton("renamePage", $lng->txt("wiki_rename"));
                $this->form->addCommandButton("preview", $lng->txt("cancel"));

                $this->form->setTitle($lng->txt("wiki_rename_page"));
                $this->form->setFormAction($ilCtrl->getFormAction($this));
        }

        public function renamePage()
        {
                global $tpl, $lng, $ilCtrl, $ilAccess;

                $this->initRenameForm();
                if ($this->form->checkInput())
                {
                        if ($ilAccess->checkAccess("edit_content", "", $_GET["ref_id"]))
                        {
                                $new_name = $this->form->getInput("new_page_name");
                                
                                $page_title = ilWikiUtil::makeDbTitle($new_name);
                                $pg_id = ilWikiPage::_getPageIdForWikiTitle($this->getPageObject()->getWikiId(), $page_title);

                                // we might get the same page id back here, if the page
                                // name only differs in diacritics
                                // see bug http://www.ilias.de/mantis/view.php?id=11226
                                if ($pg_id > 0 && $pg_id != $this->getPageObject()->getId())
                                {
                                        ilUtil::sendFailure($lng->txt("wiki_page_already_exists"));
                                }
                                else
                                {
                                        $new_name = $this->getPageObject()->rename($new_name);
                                        $ilCtrl->setParameterByClass("ilobjwikigui", "page", ilWikiUtil::makeUrlTitle($new_name));
                                        ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                                        $ilCtrl->redirect($this, "preview");
                                }
                        }
                }

                $this->form->setValuesByPost();
                $tpl->setContent($this->form->getHtml());
        }
        
        
        function activateWikiPageRating()
        {
                global $lng, $ilCtrl;
                
                $this->getPageObject()->setRating(true);
                $this->getPageObject()->update();
                
                ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                $ilCtrl->redirect($this, "preview");
        }
        
        function deactivateWikiPageRating()
        {
                global $lng, $ilCtrl;
                
                $this->getPageObject()->setRating(false);
                $this->getPageObject()->update();
                
                ilUtil::sendSuccess($lng->txt("msg_obj_modified"), true);
                $ilCtrl->redirect($this, "preview");
        }
        
        
        function observeNoteAction($a_wiki_id, $a_page_id, $a_type, $a_action, $a_note_id)
        {                       
                // #10040 - get note text
                include_once "Services/Notes/classes/class.ilNote.php";
                $note = new ilNote($a_note_id);
                $note = $note->getText();
                
                include_once "./Services/Notification/classes/class.ilNotification.php";
                ilWikiUtil::sendNotification("comment", ilNotification::TYPE_WIKI_PAGE, $this->getWikiRefId(), $a_page_id, $note);
        }
} 
?>