<?php
/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "./classes/class.ilObjectGUI.php";
require_once "./Services/Container/classes/class.ilContainer.php";
include_once './Services/PersonalDesktop/interfaces/interface.ilDesktopItemHandling.php';

/**
* Class ilContainerGUI
*
* This is a base GUI class for all container objects in ILIAS:
* root folder, course, group, category, folder
*
* @author Alex Killing <alex.killing@gmx.de>
* @version $Id: class.ilContainerGUI.php 26089 2010-10-20 08:08:05Z smeyer $
*
* @extends ilObjectGUI
*/
class ilContainerGUI extends ilObjectGUI implements ilDesktopItemHandling
{
	var $bl_cnt = 1;		// block counter
	
	/**
	* Constructor
	* @access public
	*/
	function ilContainerGUI($a_data, $a_id, $a_call_by_reference = true, $a_prepare_output = true)
	{
		global $rbacsystem, $lng, $tree;

		$this->rbacsystem =& $rbacsystem;
		
		$lng->loadLanguageModule("cntr");

		//$this->ilObjectGUI($a_data, $a_id, $a_call_by_reference, $a_prepare_output);
		
        // Activate tree cache when rendering the container to improve performance
        //$tree->useCache(false);

		// prepare output things should generally be made in executeCommand
		// method (maybe dependent on current class/command
		$this->ilObjectGUI($a_data, $a_id, $a_call_by_reference, false);
	}

	/**
	* execute command
	* note: this method is overwritten in all container objects
	*/
	function &executeCommand()
	{
		global $tpl;
		
		$next_class = $this->ctrl->getNextClass();
		$cmd = $this->ctrl->getCmd("render");

		switch($next_class)
		{
			// page editing
			case "ilpageobjectgui":
				if ($_GET["redirectSource"] != "ilinternallinkgui")
				{
					$ret = $this->forwardToPageObject();
					$tpl->setContent($ret);
				}
				else
				{
					return "";
				}
				break;
				
			case "ilobjstylesheetgui":
				$this->forwardToStyleSheet();
				break;
			
			default:
				$this->prepareOutput();
				$cmd .= "Object";
				$this->$cmd();
				break;
		}
		return true;
	}

	/**
	* Forward to style object
	*/
	function forwardToStyleSheet()
	{
		global $ilCtrl, $ilTabs;
		
		$ilTabs->clearTargets();
		
		$cmd = $ilCtrl->getCmd();
		include_once ("./Services/Style/classes/class.ilObjStyleSheetGUI.php");
		$this->ctrl->setReturn($this, "editStyleProperties");
		$style_gui = new ilObjStyleSheetGUI("", $this->object->getStyleSheetId(), false, false);
		$style_gui->omitLocator();
		if ($cmd == "create" || $_GET["new_type"]=="sty")
		{
			$style_gui->setCreationMode(true);
		}

		if ($cmd == "confirmedDelete")
		{
			$this->object->setStyleSheetId(0);
			$this->object->update();
		}

		$ret = $this->ctrl->forwardCommand($style_gui);

		if ($cmd == "save" || $cmd == "copyStyle" || $cmd == "importStyle")
		{
			$style_id = $ret;
			$this->object->setStyleSheetId($style_id);
			$this->object->update();
			$this->ctrl->redirectByClass("ilobjstylesheetgui", "edit");
		}
	}
	
	
	/**
	* forward command to page object
	*/
	function &forwardToPageObject()
	{
		global $lng, $ilTabs, $ilCtrl;

		$cmd = $ilCtrl->getCmd();

		if (in_array($cmd, array("displayMediaFullscreen")))
		{
			$this->checkPermission("read");
		}
		else
		{
			$this->checkPermission("write");
		}
		
		$ilTabs->clearTargets();

		if ($_GET["redirectSource"] == "ilinternallinkgui")
		{
			exit;
		}

		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0)
		{
			$ilTabs->setBackTarget($lng->txt("cntr_back_to_old_editor"),
				$ilCtrl->getLinkTarget($this, "switchToOldEditor"), "_top");
		}
		else
		{
			$ilTabs->setBackTarget($lng->txt("back"), "./goto.php?target=".$this->object->getType()."_".
				$this->object->getRefId(), "_top");
		}

		// page object
		include_once("./Services/COPage/classes/class.ilPageObject.php");
		include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");

		$lng->loadLanguageModule("content");
		
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		$this->tpl->setVariable("LOCATION_CONTENT_STYLESHEET",
			ilObjStyleSheet::getContentStylePath($this->object->getStyleSheetId()));
//echo "-".ilObjStyleSheet::getContentStylePath($this->object->getStyleSheetId())."-";
		$this->tpl->setCurrentBlock("SyntaxStyle");
		$this->tpl->setVariable("LOCATION_SYNTAX_STYLESHEET",
			ilObjStyleSheet::getSyntaxStylePath());
		$this->tpl->parseCurrentBlock();

		if (!ilPageObject::_exists($this->object->getType(),
			$this->object->getId()))
		{
			// doesn't exist -> create new one
			$new_page_object = new ilPageObject($this->object->getType());
			$new_page_object->setParentId($this->object->getId());
			$new_page_object->setId($this->object->getId());
			$new_page_object->createFromXML();
		}
		
		// get page object
//		$page_object = new ilPageObject($this->object->getType(),
//			$this->object->getId(), 0, true);
		$this->ctrl->setReturnByClass("ilpageobjectgui", "edit");
		//$page_object =& $this->obj->getPageObject();
//		$page_object->buildDom();
		//$page_object->addUpdateListener($this, "updateHistory");
//		$int_links = $page_object->getInternalLinks();
		//$link_xml = $this->getLinkXML($int_links);
		$page_gui =& new ilPageObjectGUI($this->object->getType(),
			$this->object->getId());
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		$page_gui->setStyleId(ilObjStyleSheet::getEffectiveContentStyleId(
			$this->object->getStyleSheetId(), $this->object->getType()));
//echo "--".$this->object->getStyleSheetId()."-";
		// $view_frame = ilFrameTargetInfo::_getFrame("MainContent");
		//$page_gui->setViewPageLink(ILIAS_HTTP_PATH."/goto.php?target=pg_".$this->obj->getId(),
		//	$view_frame);

		$page_gui->setIntLinkHelpDefault("RepositoryItem", $_GET["ref_id"]);
		$page_gui->setTemplateTargetVar("ADM_CONTENT");
		$page_gui->setLinkXML($link_xml);
		//$page_gui->enableChangeComments($this->content_object->isActiveHistoryUserComments());
		$page_gui->setFileDownloadLink($this->ctrl->getLinkTarget($this, "downloadFile"));
		$page_gui->setFullscreenLink($this->ctrl->getLinkTarget($this, "showMediaFullscreen"));
		//$page_gui->setLinkParams($this->ctrl->getUrlParameterString()); // todo
//		$page_gui->setSourcecodeDownloadScript($this->ctrl->getLinkTarget($this, ""));
		$page_gui->setPresentationTitle("");
		$page_gui->setTemplateOutput(false);
		//$page_gui->setLocator($contObjLocator);
		$page_gui->setHeader("");
		$page_gui->setEnabledRepositoryObjects(true);
		$page_gui->setEnabledFileLists(false);
		$page_gui->setEnabledMaps(true);
		$page_gui->setEnabledPCTabs(true);
		$page_gui->setEnabledInternalLinks(true);

		// old editor information text
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0)
		{
			$wtpl = new ilTemplate("tpl.cntr_old_editor_message.html", true,
				true, "Services/Container");
			$wtpl->setVariable("ALT_WARNING", $lng->txt("warning"));
			$wtpl->setVariable("IMG_WARNING",
				ilUtil::getImagePath("icon_alert_s.gif"));
			$wtpl->setVariable("TXT_MIGRATION_INFO", $lng->txt("cntr_switch_to_new_editor_message"));
			$wtpl->setVariable("TXT_MIGRATION_INFO", $lng->txt("cntr_switch_to_new_editor_message"));
			$wtpl->setVariable("HREF_SWITCH_TO_NEW_EDITOR",
				$ilCtrl->getLinkTarget($this, "useNewEditor"));
			$wtpl->setVariable("TXT_MIGRATION_SWITCH",
				$lng->txt("cntr_switch_to_new_editor_cmd"));
			$page_gui->setPrependingHtml($wtpl->get());
		}
		
		// style tab
		$page_gui->setTabHook($this, "addPageTabs");
		
		$ret =& $this->ctrl->forwardCommand($page_gui);

		//$ret =& $page_gui->executeCommand();
		return $ret;
	}
	
	/**
	* Add page tabs
	*/
	function addPageTabs()
	{
		global $ilTabs, $ilCtrl;
		
		$ilTabs->addTarget("obj_sty",
			 $ilCtrl->getLinkTarget($this, 'editStyleProperties'), "editStyleProperties");
	}

	/**
	* Get container page HTML
	*/
	function getContainerPageHTML()
	{
		global $ilSetting;
		
		if (!$ilSetting->get("enable_cat_page_edit"))
		{
			return;
		}
		
		// old page editor content
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0)
		{
			include_once("Services/XHTMLPage/classes/class.ilXHTMLPage.php");
			$xpage = new ilXHTMLPage($xpage_id);
			return $xpage->getContent();
		}

		
		// page object
		

		// if page does not exist, return nothing
		include_once("./Services/COPage/classes/class.ilPageUtil.php");
		if (!ilPageUtil::_existsAndNotEmpty($this->object->getType(),
			$this->object->getId()))
		{
			return "";
		}
		include_once("./Services/COPage/classes/class.ilPageObject.php");
		include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");
		
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		$this->tpl->setVariable("LOCATION_CONTENT_STYLESHEET",
			ilObjStyleSheet::getContentStylePath($this->object->getStyleSheetId()));
		$this->tpl->setCurrentBlock("SyntaxStyle");
		$this->tpl->setVariable("LOCATION_SYNTAX_STYLESHEET",
			ilObjStyleSheet::getSyntaxStylePath());
		$this->tpl->parseCurrentBlock();

		// get page object
		$page_gui =& new ilPageObjectGUI($this->object->getType(),
			$this->object->getId());
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		$page_gui->setStyleId(ilObjStyleSheet::getEffectiveContentStyleId(
			$this->object->getStyleSheetId(), $this->object->getType()));

		$page_gui->setIntLinkHelpDefault("StructureObject", $_GET["ref_id"]);
		$page_gui->setFileDownloadLink($this->ctrl->getLinkTarget($this, "downloadFile"));
		//$page_gui->setFullscreenLink($this->ctrl->getLinkTarget($this, "showMediaFullscreen"));
		//$page_gui->setLinkParams($this->ctrl->getUrlParameterString()); // todo
//		$page_gui->setSourcecodeDownloadScript($this->ctrl->getLinkTarget($this, ""));
		$page_gui->setPresentationTitle("");
		$page_gui->setTemplateOutput(false);
		//$page_gui->setLocator($contObjLocator);
		$page_gui->setHeader("");
		$page_gui->setEnabledRepositoryObjects(true);
		$page_gui->setEnabledFileLists(false);
		$page_gui->setEnabledPCTabs(true);
		$page_gui->setEnabledMaps(true);
		$ret = $page_gui->showPage();

		//$ret =& $page_gui->executeCommand();
		return $ret;
	}
	
	/**
	* prepare output
	*/
	function prepareOutput($a_show_subobjects = true)
	{
		if (parent::prepareOutput())	// return false in admin mode
		{
			if ($this->getCreationMode() != true && $a_show_subobjects)
			{
				// This method is called directly from ilContainerGUI::renderObject
				#$this->showPossibleSubObjects();
				$this->showTreeFlatIcon();
				
				// Member view
				include_once './Services/Container/classes/class.ilMemberViewGUI.php';
				ilMemberViewGUI::showMemberViewSwitch($this->object->getRefId());
			}
		}
	}
	
	function showTreeFlatIcon()
	{
		global $tpl;
		
		// dont show icon, if role (permission gui->rolegui) is edited
		if ($_GET["obj_id"] != "")
		{
			return;
		}
		// hide for member view
		include_once './Services/Container/classes/class.ilMemberViewSettings.php';
		if(ilMemberViewSettings::getInstance()->isActive())
		{
			return;
		}
		
		$mode = ($_SESSION["il_rep_mode"] == "flat")
			? "tree"
			: "flat";
		$link = "repository.php?cmd=frameset&set_mode=".$mode."&ref_id=".$this->object->getRefId();
		$tpl->setTreeFlatIcon($link, $mode);
	}
	
	/**
	* called by prepare output 
	*/
	function setTitleAndDescription()
	{
		global $ilias;

		if (!ilContainer::_lookupContainerSetting($this->object->getId(), "hide_header_icon_and_title"))
		{
			$this->tpl->setTitle($this->object->getTitle());
			$this->tpl->setDescription($this->object->getLongDescription());
	
			// set tile icon
			$icon = ilUtil::getImagePath("icon_".$this->object->getType()."_b.gif");
			if ($ilias->getSetting("custom_icons") &&
				in_array($this->object->getType(), array("cat","grp","crs", "root")))
			{
				require_once("./Services/Container/classes/class.ilContainer.php");
				if (($path = ilContainer::_lookupIconPath($this->object->getId(), "big")) != "")
				{
					$icon = $path;
				}
			}
			$this->tpl->setTitleIcon($icon, $this->lng->txt("obj_".$this->object->getType()));
		}
	}


	/**
	* show possible sub objects selection list
	*/
	function showPossibleSubObjects()
	{
		global $ilAccess,$ilCtrl,$lng;

		$found = false;
		$cmd = ($this->cmd != "")
			? $this->cmd
			: $this->ctrl->getCmd();
		
		$type = $this->object->getType();

		$d = $this->objDefinition->getCreatableSubObjects($type);
		include_once("./Services/Repository/classes/class.ilRepositoryObjectPluginSlot.php");

		if ($type != "icrs")
		{
			$d = ilRepositoryObjectPluginSlot::addCreatableSubObjects($d);
		}
		if (count($d) > 0)
		{
			foreach ($d as $row)
			{
			    $count = 0;

				if ($row["max"] == "" || $count < $row["max"])
				{
					if (!in_array($row["name"], array("rolf")))
					{
						if ($this->rbacsystem->checkAccess("create", $this->object->getRefId(), $row["name"]))
						{
							if (!$row["plugin"])
							{
								$subobj[] = array("value" => $row["name"],
									"title" => $lng->txt("obj_".$row["name"]),
									"img" => ilObject::_getIcon("", "tiny", $row["name"]),
									"alt" => $lng->txt("obj_".$row["name"]));
							}
							else
							{
								include_once("./Services/Component/classes/class.ilPlugin.php");
								$subobj[] = array("value" => $row["name"],
									"title" => ilPlugin::lookupTxt("rep_robj", $row["name"], "obj_".$row["name"]),
									"img" => ilObject::_getIcon("", "tiny", $row["name"]),
									"alt" => $lng->txt("obj_".$row["name"]));
							}
						}
					}
				}
			}
		}

		if (is_array($subobj))
		{
			$formaction = "repository.php?ref_id=".$this->object->getRefId()."&cmd=post";
			$formaction = $ilCtrl->appendRequestTokenParameterString($formaction);
			$formaction = $this->ctrl->getFormAction($this);
			//$opts = ilUtil::formSelect("", "new_type", $subobj);
			$this->tpl->setCreationSelector($formaction,
				$subobj, "create", $this->lng->txt("add"));
		}
	}

	/**
	* render the object
	*/
	function renderObject()
	{
		global $ilDB, $tpl, $ilTabs, $ilCtrl, $ilSetting;

		switch ($this->object->getViewMode())
		{
			// all items in one block
			case ilContainer::VIEW_SIMPLE:
				include_once("./Services/Container/classes/class.ilContainerSimpleContentGUI.php");
				$container_view = new ilContainerSimpleContentGUI($this);
				break;
				
			case ilContainer::VIEW_OBJECTIVE:
				include_once('./Services/Container/classes/class.ilContainerObjectiveGUI.php');
				$container_view = new ilContainerObjectiveGUI($this);
				break;

			// all items in one block
			case ilContainer::VIEW_SESSIONS:
			case IL_CRS_VIEW_TIMING:			// not nice this workaround
				include_once("./Services/Container/classes/class.ilContainerSessionsContentGUI.php");
				$container_view = new ilContainerSessionsContentGUI($this);
				break;
				
			// ILinc courses
			case ilContainer::VIEW_ILINC:
				include_once 'Services/Container/classes/class.ilContainerILincContentGUI.php';
				$container_view = new ilContainerILincContentGUI($this);
				break;
			
			// all items in one block
			case ilContainer::VIEW_BY_TYPE:
			default:
				include_once("./Services/Container/classes/class.ilContainerByTypeContentGUI.php");
				$container_view = new ilContainerByTypeContentGUI($this);
				break;
		}

		$this->setContentSubTabs();
		if ($this->isActiveAdministrationPanel())
		{
			$ilTabs->activateSubTab("manage");
		}
		else
		{
			$ilTabs->activateSubTab("view_content");
		}
		
		$container_view->setOutput();

		$this->adminCommands = $container_view->adminCommands;
		
		// it is important not to show the subobjects/admin panel here, since
		// we will create nested forms in case, e.g. a news/calendar item is added
		if ($ilCtrl->getNextClass() != "ilcolumngui")
		{
			$this->showAdministrationPanel($tpl);
			$this->showPossibleSubObjects();
		}
		
		$this->showPermanentLink($tpl);

		// add tree updater javascript
		if ((int) $_GET["ref_id"] > 1 && $ilSetting->get("rep_tree_synchronize"))
		{
			$ilCtrl->setParameter($this, "active_node", (int) $_GET["ref_id"]);
			$tpl->addOnloadCode("
				if (parent && parent.tree && parent.tree.updater)
				{
					parent.tree.updater('tree_div', '".
					$ilCtrl->getLinkTarget($this, "showTree", "", true, false)
					."');
				}");
		}
	}

	/**
	* Set content sub tabs
	*/
	function setContentSubTabs()
	{
		$this->addStandardContainerSubTabs();
	}

	/**
	* show administration panel
	*/
	function showAdministrationPanel(&$tpl)
	{
		global $ilAccess, $ilSetting;
		global $ilUser, $lng;

		if ($this->isActiveAdministrationPanel())
		{			
						
			if (!$_SESSION["clipboard"])
			{
				if ($this->object->gotItems())
				{
					$GLOBALS["tpl"]->addAdminPanelCommand("delete",
						$this->lng->txt("delete_selected_items"), true);
					$GLOBALS["tpl"]->addAdminPanelCommand("cut",
						$this->lng->txt("move_selected_items"));
					$GLOBALS["tpl"]->addAdminPanelCommand("link",
						$this->lng->txt("link_selected_items"));
				}
			}
			else
			{				
				/*$GLOBALS["tpl"]->addAdminPanelCommand("paste",
                    $this->lng->txt("paste_clipboard_items")); 
                    
                if($_SESSION["clipboard"]["cmd"] == "link")
                {                    
                    $GLOBALS["tpl"]->addAdminPanelCommand("initAndDisplayLinkIntoMultipleObjects",
                        $this->lng->txt("paste_clipboard_items_into_multiple_objects"));
                }*/
				
				$GLOBALS["tpl"]->addAdminPanelCommand("clear",
					$this->lng->txt("clear_clipboard"));
			}

			$this->ctrl->setParameter($this, "type", "");
			$this->ctrl->setParameter($this, "item_ref_id", "");
			$GLOBALS["tpl"]->setPageFormAction($this->ctrl->getFormAction($this));
		}
		if ($this->edit_order)
		{			
			if($this->object->gotItems() and $ilAccess->checkAccess("write", "", $this->object->getRefId()))
			{
				include_once('./Services/Container/classes/class.ilContainer.php');
				
				if ($this->object->getOrderType() == ilContainer::SORT_MANUAL)
				{
					$GLOBALS["tpl"]->addAdminPanelCommand("saveSorting",
						$this->lng->txt('sorting_save'));
				}
			}
		}
	}

	function __showTimingsButton(&$tpl)
	{
		global $tree;

		if(!$tree->checkForParentType($this->object->getRefId(),'crs'))
		{
			return false;
		}
		$tpl->setCurrentBlock("custom_button");
		$tpl->setVariable("ADMIN_MODE_LINK",$this->ctrl->getLinkTargetByClass('ilcoursecontentgui','editTimings'));
		$tpl->setVariable("TXT_ADMIN_MODE",$this->lng->txt('timings_edit'));
		$tpl->parseCurrentBlock();
		return true;
	}
	/**
	* show permanent link
	*/
	function showPermanentLink(&$tpl)
	{
		$GLOBALS["tpl"]->setPermanentLink($this->object->getType(),
			$this->object->getRefId(), "", "_top");
	}

	/**
	* Switch to standard page editor
	*/
	function switchToStdEditorObject()
	{
		global $ilCtrl;
		
		$_SESSION["il_cntr_editor"] = "std";
		$ilCtrl->redirect($this, "editPageFrame");
	}
	
	/**
	* Switch to old page editor
	*/
	function switchToOldEditorObject()
	{
		global $ilCtrl;
		
		$_SESSION["il_cntr_editor"] = "old";
		$ilCtrl->redirect($this, "editPageFrame");
	}

	/**
	* Use new editor (-> delete xhtml content page)
	*/
	function useNewEditorObject()
	{
		global $ilCtrl, $ilAccess, $lng, $ilCtrl;
		
		if ($ilAccess->checkAccess("write", "", $this->object->getRefId()))
		{
			include_once("./Services/XHTMLPage/classes/class.ilXHTMLPage.php");

			/* keep old page content for now...
			$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
				"xhtml_page");
			if ($xpage_id)
			{
				$xpage = new ilXHTMLPage($xpage_id);
			}
			*/

			ilContainer::_writeContainerSetting($this->object->getId(),
				"xhtml_page", 0);

			ilUtil::sendSuccess($lng->txt("cntr_switched_editor"), true);
		}
		
		$ilCtrl->redirect($this, "editPageFrame");
	}

	/**
	* show page editor frameset
	*/
	function editPageFrameObject()
	{
		include_once("Services/Frameset/classes/class.ilFramesetGUI.php");
		$fs_gui = new ilFramesetGUI();
		
		$fs_gui->setFramesetTitle($this->object->getTitle());
		$fs_gui->setMainFrameName("content");
		$fs_gui->setSideFrameName("tree");

		// old tiny stuff
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0 && $_SESSION["il_cntr_editor"] != "std")
		{
			$fs_gui->setMainFrameSource(
				$this->ctrl->getLinkTarget(
					$this, "editPageContent"));
			$fs_gui->setSideFrameSource(
				$this->ctrl->getLinkTarget($this, "showLinkList"));
		}
		else
		{
//			$fs_gui->setMainWidth("100%");
//			$fs_gui->setSideWidth("0");
			
			// to do: check this
			$fs_gui->setSideFrameSource("");

			// page object stuff
			$fs_gui->setMainFrameSource(
				$this->ctrl->getLinkTargetByClass(
					array("ilpageobjectgui"), "edit"));
		}
				
		$fs_gui->show();
		exit;
	}

	/**
	* edit page content (for repository root node and categories)
	*
	* @access	public
	*/
	function editPageContentObject()
	{
		global $rbacsystem, $tpl, $lng, $ilCtrl;

		if (!$rbacsystem->checkAccess("write", $this->ref_id))
		{
			$this->ilias->raiseError($this->lng->txt("msg_no_perm_write"),$this->ilias->error_obj->MESSAGE);
		}
		
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0)
		{
			include_once("Services/XHTMLPage/classes/class.ilXHTMLPage.php");
			$xpage = new ilXHTMLPage($xpage_id);
			$content = $xpage->getContent();
		}
		
		// get template
		$tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.container_edit_page_content.html",
			"Services/Container");
		$tpl->setVariable("VAL_CONTENT", ilUtil::prepareFormOutput($content));
		$tpl->setVariable("FORMACTION", $this->ctrl->getFormAction($this));
		$tpl->setVariable("TXT_EDIT_PAGE_CONTENT",
			$this->lng->txt("edit_page_content"));
		$tpl->setVariable("TXT_SAVE", $this->lng->txt("save"));
		$tpl->setVariable("TXT_CANCEL", $this->lng->txt("cancel"));
		$tpl->setVariable("TXT_MIGRATION_INFO", $lng->txt("cntr_old_editor_warning"));
		$tpl->setVariable("TXT_MIGRATION_OPEN_STD_EDITOR", $lng->txt("cntr_old_editor_open_standard_editor"));
		$tpl->setVariable("IMG_WARNING", ilUtil::getImagePath("icon_alert_s.gif"));
		$tpl->setVariable("HREF_OPEN_STD_EDITOR", $ilCtrl->getLinkTarget($this, "switchToStdEditor"));
		$tpl->setVariable("ALT_WARNING", $lng->txt("warning"));
		
		include_once("./Services/Form/classes/class.ilFormPropertyGUI.php");
		include_once("./Services/Form/classes/class.ilTextAreaInputGUI.php");
		//$ta = new ilTextAreaInputGUI();
		//$tags = $ta->getRteTagSet("extended_table_img");
		
		// add rte support
		include_once "./Services/RTE/classes/class.ilRTE.php";
		$rtestring = ilRTE::_getRTEClassname();
		include_once "./Services/RTE/classes/class.$rtestring.php";
		$rte = new $rtestring();
		//$rte->addPlugin("latex");
		include_once "./classes/class.ilObject.php";
		$obj_id = ilObject::_lookupObjectId($_GET["ref_id"]);
		$obj_type = ilObject::_lookupType($_GET["ref_id"], TRUE);
		$rte->addRTESupport($obj_id, $obj_type);
		//$rte->setStyleSelect(true);
		//$rte->addCustomRTESupport($obj_id, $obj_type, $tags);
	}
	
	function savePageContentObject()
	{
		include_once("Services/XHTMLPage/classes/class.ilXHTMLPage.php");
		include_once "./Services/AdvancedEditing/classes/class.ilObjAdvancedEditing.php";
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		
		/*include_once("./Services/Form/classes/class.ilFormPropertyGUI.php");
		include_once("./Services/Form/classes/class.ilTextAreaInputGUI.php");
		$ta = new ilTextAreaInputGUI();
		$ta->setRteTagSet("extended_table_img");
		$tags = $ta->getRteTagString();*/

		//$text = ilUtil::stripSlashes($_POST["page_content"],
		//		true,
		//		$tags);
				
		$text = ilUtil::stripSlashes($_POST["page_content"],
				true,
				ilObjAdvancedEditing::_getUsedHTMLTagsAsString());
		if ($xpage_id > 0)
		{
			$xpage = new ilXHTMLPage($xpage_id);
			$xpage->setContent($text);
			$xpage->save();
		}
		else
		{
			$xpage = new ilXHTMLPage();
			$xpage->setContent($text);
			$xpage->save();
			ilContainer::_writeContainerSetting($this->object->getId(),
				"xhtml_page", $xpage->getId());
		}
		
		include_once("Services/RTE/classes/class.ilRTE.php");
		ilRTE::_cleanupMediaObjectUsage($text, $this->object->getType().":html",
			$this->object->getId());

		ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
		$this->ctrl->redirect($this, "");
	}
	
	function cancelPageContentObject()
	{
		$this->ctrl->redirect($this, "");
	}

	function renderItemList($a_type = "all")
	{
		global $objDefinition, $ilBench, $ilSetting;
		
		include_once("Services/Object/classes/class.ilObjectListGUIFactory.php");

		$output_html = "";
		$this->clearAdminCommandsDetermination();
		
		$type_grps = $this->object->getGroupedObjTypes();
		
		switch ($a_type)
		{
			// render all items list
			case "all":
	
				// new behaviour
				$output_html.= $this->getContainerPageHTML();
				
				// all item types
				/*
				$type_ordering = array(
					"cat", "fold", "crs","rcrs", "icrs", "icla", "grp", "chat", "frm", "lres",
					"glo", "webr", "mcst", "wiki", "file", "exc",
					"tst", "svy", "mep", "qpl", "spl");*/

				$cur_obj_type = "";
				$overall_tpl =& $this->newBlockTemplate();
				$this->type_template = array();
				$first = true;
				
				// iterate all types
				foreach ($type_grps as $type => $v)
				{
					// set template (overall or type specific)
					if (is_int(strpos($output_html, "[list-".$type."]")))
					{
						$tpl =& $this->newBlockTemplate();
						$overall = false;			// individual
					}
					else
					{
						$tpl =& $overall_tpl;
						$overall = true;			// put to the rest
					}
						
					if (is_array($this->items[$type]))
					{
						
						$item_html = array();

						foreach($this->items[$type] as $key => $item)
						{
							// get list gui class for each object type
							if ($cur_obj_type != $item["type"])
							{
								$item_list_gui =& ilObjectListGUIFactory::_getListGUIByType($item["type"]);
								$item_list_gui->setContainerObject($this);
							}
							// render item row
							$ilBench->start("ilContainerGUI", "0210_getListHTML");
							
							// show administration command buttons (or not)
							if (!$this->isActiveAdministrationPanel())
							{
								$item_list_gui->enableDelete(false);
								$item_list_gui->enableLink(false);
								$item_list_gui->enableCut(false);
								$item_list_gui->enableCopy(false);
							}
							
							$html = $item_list_gui->getListItemHTML($item["ref_id"],
								$item["obj_id"], $item["title"], $item["description"]);
								
							// check whether any admin command is allowed for
							// the items
							$this->determineAdminCommands($item["ref_id"],
								$item_list_gui->adminCommandsIncluded());
							$ilBench->stop("ilContainerGUI", "0210_getListHTML");
							if ($html != "")
							{
								// BEGIN WebDAV: Use $item_list_gui to determine icon image type
								$item_html[] = array(
									"html" => $html, 
									"item_ref_id" => $item["ref_id"],
									"item_obj_id" => $item["obj_id"],
									'item_icon_image_type' => (method_exists($item_list_gui, 'getIconImageType')) ?
											$item_list_gui->getIconImageType() :
											$item['type']
									);
								// END WebDAV: Use $item_list_gui to determine icon image type
							}
						}

						// output block for resource type
						if (count($item_html) > 0)
						{
							// separator row
							if (!$first && $overall)
							{
								$this->addSeparatorRow($tpl);
							}
							
							if ($overall)
							{
								$first = false;
							}

							// add a header for each resource type
							if ($this->ilias->getSetting("icon_position_in_lists") == "item_rows")
							{
								$this->addHeaderRow($tpl, $type, false);
							}
							else
							{
								$this->addHeaderRow($tpl, $type);
							}
							$this->resetRowType();

							// content row
							$this->current_position = 1;
							foreach($item_html as $item)
							{
								// BEGIN WebDAV: Use $item_list_gui to determine image type
								$this->addStandardRow($tpl, $item["html"], $item["item_ref_id"], $item["item_obj_id"], $item['item_icon_image_type']);
								// END WebDAV: Use $item_list_gui to determine image type
							}

							// store type specific templates in array
							if (is_int(strpos($output_html, "[list-".$type."]")))
							{
								$this->type_template[$type] = $tpl;
							}
						}
						else
						{
							// [list-...] tag available, but no item of type accessible
							if (!$overall)
							{
								$this->addHeaderRow($tpl, $type);
								$this->resetRowType();
								$this->addMessageRow($tpl, 
									$this->lng->txt("msg_no_type_accessible"), $type);
								$this->type_template[$type] = $tpl;
							}
						}
					}
					else
					{
						// [list-...] tag available, but no item of type exists
						if (!$overall)
						{
							$this->addHeaderRow($tpl, $type);
							$this->resetRowType();
							$this->addMessageRow($tpl,
								$this->lng->txt("msg_no_type_available"), $type);
							$this->type_template[$type] = $tpl;
						}
					}

				}


				// I don't know why but executing this
				// line before the following foreach loop seems to be crucial
				if ($output_html != "")
				{
					//$output_html.= "<br /><br />";
				}
				$output_html.= $overall_tpl->get();
				//$output_html = str_replace("<br>++", "++", $output_html);
				//$output_html = str_replace("<br>++", "++", $output_html);
				//$output_html = str_replace("++<br>", "++", $output_html);
				//$output_html = str_replace("++<br>", "++", $output_html);
				foreach ($this->type_template as $type => $tpl)
				{
					$output_html = eregi_replace("\[list-".$type."\]",
						"</p>".$tpl->get()."<p class=\"ilc_Standard\">",
						$output_html);
				}

				//if (ilPageObject::_exists($this->object->getType(),
				//	$this->object->getId()))
				if ($xpage_id > 0)
				{				
					$page_block = new ilTemplate("tpl.container_page_block.html", false, false,
						"Services/Container");
					$page_block->setVariable("CONTAINER_PAGE_CONTENT", $output_html);
					$output_html = $page_block->get();
				}

				break;

			default:
				// to do:
				break;
		}
		return $output_html;
	}

	function showLinkListObject()
	{
		global $lng, $tree;
		
		$tpl = new ilTemplate("tpl.container_link_help.html", true, true);
		
		$type_ordering = array(
			"cat", "fold", "crs", "icrs", "icla", "grp", "chat", "frm", "lres",
			"glo", "webr", "file", "exc",
			"tst", "svy", "mep", "qpl", "spl");
			
		$childs = $tree->getChilds($_GET["ref_id"]);
		foreach($childs as $child)
		{
			if (in_array($child["type"], array("lm", "dbk", "sahs", "htlm")))
			{
				$cnt["lres"]++;
			}
			else
			{
				$cnt[$child["type"]]++;
			}
		}
			
		$tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation());
		$tpl->setVariable("TXT_HELP_HEADER", $lng->txt("help"));
		foreach($type_ordering as $type)
		{
			$tpl->setCurrentBlock("row");
			$tpl->setVariable("ROWCOL", "tblrow".((($i++)%2)+1));
			if ($type != "lres")
			{
				$tpl->setVariable("TYPE", $lng->txt("objs_".$type).
					" (".((int)$cnt[$type]).")");
			}
			else
			{
				$tpl->setVariable("TYPE", $lng->txt("learning_resources").
					" (".((int)$cnt["lres"]).")");
			}
			$tpl->setVariable("TXT_LINK", "[list-".$type."]");
			$tpl->parseCurrentBlock();
		}
		$tpl->show();
		exit;

	}

	/**
	* cleaer administration commands determination
	*/
	function clearAdminCommandsDetermination()
	{
		$this->adminCommands = false;
	}
	
	/**
	* determin admin commands
	*/
/*	function determineAdminCommands($a_ref_id, $a_admin_com_included_in_list = false)
	{
		if (!$this->adminCommands)
		{
			if (!$this->isActiveAdministrationPanel())
			{
				if ($this->rbacsystem->checkAccess("delete", $a_ref_id))
				{
					$this->adminCommands = true;
				}
			}
			else
			{
				$this->adminCommands = $a_admin_com_included_in_list;
			}
		}
	}*/

	/**
	* returns a new list block template
	*
	* @access	private
	* @return	object		block template
	*/
	function &newBlockTemplate()
	{
		$tpl = new ilTemplate ("tpl.container_list_block.html", true, true,
			"Services/Container");
		$this->cur_row_type = "row_type_1";
		return $tpl;
	}

	/**
	* adds a header row to a block template
	*
	* @param	object		$a_tpl		block template
	* @param	string		$a_type		object type
	* @access	private
	*/
	function addHeaderRow(&$a_tpl, $a_type, $a_show_image = true)
	{
		$icon = ilUtil::getImagePath("icon_".$a_type.".gif");
		$title = $this->lng->txt("objs_".$a_type);
		
		if ($a_show_image)
		{
			$a_tpl->setCurrentBlock("container_header_row_image");
			$a_tpl->setVariable("HEADER_IMG", $icon);
			$a_tpl->setVariable("HEADER_ALT", $title);
		}
		else
		{
			$a_tpl->setCurrentBlock("container_header_row");
		}
		
		$a_tpl->setVariable("BLOCK_HEADER_CONTENT", $title);
		$a_tpl->parseCurrentBlock();
		$a_tpl->touchBlock("container_row");
	}

	/**
	* adds a standard row to a block template
	*
	* @param	object		$a_tpl		block template
	* @param	string		$a_html		html code
	* @access	private
	*/
	function addStandardRow(&$a_tpl, $a_html, $a_item_ref_id = "", $a_item_obj_id = "",
		$a_image_type = "")
	{
		$this->cur_row_type = ($this->cur_row_type == "row_type_1")
			? "row_type_2"
			: "row_type_1";

		$a_tpl->touchBlock($this->cur_row_type);
		
		$nbsp = true;
		if ($this->ilias->getSetting("icon_position_in_lists") == "item_rows")
		{
			$icon = ilUtil::getImagePath("icon_".$a_image_type.".gif");
			$alt = $this->lng->txt("obj_".$a_image_type);
			
			// custom icon
			if ($this->ilias->getSetting("custom_icons") &&
				in_array($a_image_type, array("cat","grp","crs")))
			{
				require_once("./Services/Container/classes/class.ilContainer.php");
				if (($path = ilContainer::_lookupIconPath($a_item_obj_id, "small")) != "")
				{
					$icon = $path;
				}
			}

			$a_tpl->setCurrentBlock("block_row_image");
			$a_tpl->setVariable("ROW_IMG", $icon);
			$a_tpl->setVariable("ROW_ALT", $alt);
			$a_tpl->parseCurrentBlock();
			$nbsp = false;
		}

		if ($this->isActiveAdministrationPanel())
		{
			$a_tpl->setCurrentBlock("block_row_check");
			$a_tpl->setVariable("ITEM_ID", $a_item_ref_id);
			$a_tpl->parseCurrentBlock();
			$nbsp = false;
		}
		include_once('Services/Container/classes/class.ilContainerSortingSettings.php');
		if($this->isActiveAdministrationPanel() && 
			ilContainerSortingSettings::_lookupSortMode($this->object->getId()) == ilContainer::SORT_MANUAL)
		{
			$a_tpl->setCurrentBlock('block_position');
			$a_tpl->setVariable('POS_TYPE',$a_image_type);
			$a_tpl->setVariable('POS_ID',$a_item_ref_id);
			$a_tpl->setVariable('POSITION',sprintf('%.1f',$this->current_position++));
			$a_tpl->parseCurrentBlock();
		}
		if ($nbsp)
		{
			$a_tpl->setVariable("ROW_NBSP", "&nbsp;");
		}
		$a_tpl->setCurrentBlock("container_standard_row");
		$a_tpl->setVariable("BLOCK_ROW_CONTENT", $a_html);
		$a_tpl->parseCurrentBlock();
		$a_tpl->touchBlock("container_row");
	}

	/**
	* add message row
	*/
	function addMessageRow(&$a_tpl, $a_message, $a_type)
	{
		$this->cur_row_type = ($this->cur_row_type == "row_type_1")
			? "row_type_2"
			: "row_type_1";

		$a_tpl->touchBlock($this->cur_row_type);
		
		$type = $this->lng->txt("obj_".$a_type);
		$a_message = str_replace("[type]", $type, $a_message);
		
		$a_tpl->setVariable("ROW_NBSP", "&nbsp;");

		$a_tpl->setCurrentBlock("container_standard_row");
		$a_tpl->setVariable("BLOCK_ROW_CONTENT",
			$a_message);
		$a_tpl->parseCurrentBlock();
		$a_tpl->touchBlock("container_row");
	}

	function resetRowType()
	{
		$this->cur_row_type = "";
	}

	
	/**
	* Add page editor tabs
	*/
	function setPageEditorTabs()
	{
		global $lng;
		
		if (!$this->isActiveAdministrationPanel()
			|| strtolower($this->ctrl->getCmdClass()) != "ilpageobjectgui")
		{
			return;
		}

		$lng->loadLanguageModule("content");
		//$tabs_gui = new ilTabsGUI();
		//$tabs_gui->setSubTabs();
		
		// back to upper context
		$this->tabs_gui->setBackTarget($this->lng->txt("obj_cat"),
			$this->ctrl->getLinkTarget($this, "frameset"),
			ilFrameTargetInfo::_getFrame("MainContent"));

		$this->tabs_gui->addTarget("edit", $this->ctrl->getLinkTargetByClass("ilpageobjectgui", "view")
			, array("", "view"), "ilpageobjectgui");

		//$this->tpl->setTabs($tabs_gui->getHTML());
	}

	/**
	* Add standar container subtabs for view, manage, oderdering and text/media editor link
	*/
	function addStandardContainerSubTabs($a_include_view = true)
	{
		global $ilTabs, $ilAccess, $lng, $ilCtrl, $ilUser, $ilSetting;

		if (!is_object($this->object))
		{
			return;
		}
		
		if ($a_include_view && $ilAccess->checkAccess("read", "", $this->object->getRefId()))
		{
			if (!$this->isActiveAdministrationPanel())
			{
				$ilTabs->addSubTab("view_content", $lng->txt("view"), $ilCtrl->getLinkTarget($this, ""));
			}
			else
			{
				$ilTabs->addSubTab("view_content", $lng->txt("view"), $ilCtrl->getLinkTarget($this, "disableAdministrationPanel"));
			}
		}
		
		if ( $ilUser->getId() != ANONYMOUS_USER_ID &&
				($this->adminCommands ||
				(is_object($this->object) && 
				($ilAccess->checkAccess("write", "", $this->object->getRefId())))
										||
				(is_object($this->object) && 
				($this->object->getHiddenFilesFound())) ||
				$_SESSION["clipboard"]
				)
			)
		{
			if ($this->isActiveAdministrationPanel())
			{
				$ilTabs->addSubTab("manage", $lng->txt("cntr_manage"), $ilCtrl->getLinkTarget($this, ""));
			}
			else
			{
				$ilTabs->addSubTab("manage", $lng->txt("cntr_manage"), $ilCtrl->getLinkTarget($this, "enableAdministrationPanel"));
			}
		}
		if ($ilUser->getId() != ANONYMOUS_USER_ID &&
			is_object($this->object) && 
			$ilAccess->checkAccess("write", "", $this->object->getRefId()) &&
			$this->object->getOrderType() == ilContainer::SORT_MANUAL
			)
		{
			$ilTabs->addSubTab("ordering", $lng->txt("cntr_ordering"), $ilCtrl->getLinkTarget($this, "editOrder"));
		}
		if ($ilUser->getId() != ANONYMOUS_USER_ID &&
			is_object($this->object) && 
			$ilAccess->checkAccess("write", "", $this->object->getRefId())
			)
		{
			if ($ilSetting->get("enable_cat_page_edit"))
			{
				$ilTabs->addSubTab("page_editor", $lng->txt("cntr_text_media_editor"), $ilCtrl->getLinkTarget($this, "editPageFrame"),
					ilFrameTargetInfo::_getFrame("MainContent"));
			}
		}
	}
	

	/**
	* common tabs for all container objects (should be called
	* at the end of child getTabs() method
	*/
	function getTabs(&$tabs_gui)
	{
		global $rbacsystem, $ilCtrl;

		// edit permissions
		if ($rbacsystem->checkAccess('edit_permission',$this->ref_id))
		{
			$tabs_gui->addTarget("perm_settings",
				$this->ctrl->getLinkTargetByClass(array(get_class($this),'ilpermissiongui'), "perm"),
				array("perm","info","owner"), 'ilpermissiongui');
			if ($ilCtrl->getNextClass() == "ilpermissiongui")
			{
				$tabs_gui->activateTab("perm_settings");
			}
		}

		// show clipboard
		if ($this->ctrl->getTargetScript() == "repository.php" and !empty($_SESSION["clipboard"]))
		{
			$tabs_gui->addTarget("clipboard",
				 $this->ctrl->getLinkTarget($this, "clipboard"), "clipboard", get_class($this));
		}

	}

	//*****************
	// COMMON METHODS (may be overwritten in derived classes
	// if special handling is necessary)
	//*****************

	/**
	* enable administration panel
	*/
	function enableAdministrationPanelObject()
	{
		$_SESSION["il_cont_admin_panel"] = true;
		$this->ctrl->redirect($this, "render");
	}

	/**
	* enable administration panel
	*/
	function disableAdministrationPanelObject()
	{
		$_SESSION["il_cont_admin_panel"] = false;
		$this->ctrl->redirect($this, "render");
	}

	/**
	* Edit order 
	*/
	function editOrderObject()
	{
		global $ilTabs;
		
		$this->edit_order = true;
		$_SESSION["il_cont_admin_panel"] = false;
		$this->renderObject();
		
		$ilTabs->activateSubTab("ordering");	
	}
	
	/**
	 * Check if ordering is enabled
	 * @return  bool
	 */
	public function isActiveOrdering()
	{
		return $this->edit_order ? true : false;
	}
	
	
	
    /**
     * @see ilDesktopItemHandling::addToDesk()
     */
    public function addToDeskObject()
    {
    	global $ilSetting;
		
    	if((int)$ilSetting->get('disable_my_offers'))
		{
			return $this->renderObject();
		}
		
	 	include_once './Services/PersonalDesktop/classes/class.ilDesktopItemGUI.php';
	 	ilDesktopItemGUI::addToDesktop();
		$this->renderObject();
    }
    
    /**
     * @see ilDesktopItemHandling::removeFromDesk()
     */
    public function removeFromDeskObject()
    {
    	global $ilSetting;
		
    	if((int)$ilSetting->get('disable_my_offers'))
		{
			return $this->renderObject();
		}
		
	 	include_once './Services/PersonalDesktop/classes/class.ilDesktopItemGUI.php';
	 	ilDesktopItemGUI::removeFromDesktop();
		$this->renderObject();
    }
	
	// BEGIN WebDAV: Lock/Unlock objects
	function lockObject()
	{
		global $tree, $ilUser, $rbacsystem;

		if (!$rbacsystem->checkAccess("write",$_GET['item_ref_id']))
		{
				$this->ilErr->raiseError($this->lng->txt('err_no_permission'),$this->ilErr->MESSAGE);
		}


		require_once 'Services/WebDAV/classes/class.ilDAVServer.php';
		if (ilDAVServer::_isActive() && ilDAVServer::_isActionsVisible())
		{
			require_once 'Services/WebDAV/classes/class.ilDAVLocks.php';
			$locks = new ilDAVLocks();

			$result = $locks->lockRef($_GET['item_ref_id'],
					$ilUser->getId(), $ilUser->getLogin(), 
					'ref_'.$_GET['item_ref_id'].'_usr_'.$ilUser->getId(), 
					time() + /*30*24*60**/60, 0, 'exclusive'
					);

			ilUtil::sendInfo(
						$this->lng->txt(
								($result === true) ? 'object_locked' : $result
								),
						true);
		}
		$this->renderObject();
	}
	// END WebDAV: Lock/Unlock objects

	/**
	* cut object(s) out from a container and write the information to clipboard
	*
	*
	* @access	public
	*/
	function cutObject()
	{
		global $rbacsystem, $ilCtrl;
		
		if ($_GET["item_ref_id"] != "")
		{
			$_POST["id"] = array($_GET["item_ref_id"]);
		}

		//$this->ilias->raiseError("move operation does not work at the moment and is disabled",$this->ilias->error_obj->MESSAGE);

//echo "CUT";
//echo $_SESSION["referer"];
		if (!isset($_POST["id"]))
		{
			$this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
		}

		// FOR ALL OBJECTS THAT SHOULD BE COPIED
		foreach ($_POST["id"] as $ref_id)
		{
			// GET COMPLETE NODE_DATA OF ALL SUBTREE NODES
			$node_data = $this->tree->getNodeData($ref_id);
			$subtree_nodes = $this->tree->getSubTree($node_data);

			$all_node_data[] = $node_data;
			$all_subtree_nodes[] = $subtree_nodes;

			// CHECK DELETE PERMISSION OF ALL OBJECTS IN ACTUAL SUBTREE
			foreach ($subtree_nodes as $node)
			{
				if($node['type'] == 'rolf')
				{
					continue;
				}
				
				if (!$rbacsystem->checkAccess('delete',$node["ref_id"]))
				{
					$no_cut[] = $node["ref_id"];
				}
			}
		}
		// IF THERE IS ANY OBJECT WITH NO PERMISSION TO 'delete'
		if (count($no_cut))
		{
			$this->ilias->raiseError($this->lng->txt("msg_no_perm_cut")." ".implode(',',$this->getTitlesByRefId($no_cut)),
									 $this->ilias->error_obj->MESSAGE);
		}
		//echo "GET";var_dump($_GET);echo "POST";var_dump($_POST);
		$_SESSION["clipboard"]["parent"] = $_GET["ref_id"];
		$_SESSION["clipboard"]["cmd"] = $ilCtrl->getCmd();
//echo "-".$clipboard["cmd"]."-";
		$_SESSION["clipboard"]["ref_ids"] = $_POST["id"];
//echo "-".$_SESSION["clipboard"]["cmd"]."-";

		ilUtil::sendInfo($this->lng->txt("msg_cut_clipboard"),true);

		return $this->initAndDisplayMoveIntoObjectObject();
	} // END CUT


	/**
	* create an new reference of an object in tree
	* it's like a hard link of unix
	*
	* @access	public
	*/
	function linkObject()
	{
		global $clipboard, $rbacsystem, $rbacadmin, $ilCtrl;
		
		if ($_GET["item_ref_id"] != "")
		{
			$_POST["id"] = array($_GET["item_ref_id"]);
		}

		if (!isset($_POST["id"]))
		{
			$this->ilias->raiseError($this->lng->txt("no_checkbox"),$this->ilias->error_obj->MESSAGE);
		}

		// CHECK ACCESS
		foreach ($_POST["id"] as $ref_id)
		{
			if (!$rbacsystem->checkAccess('delete',$ref_id))
			{
				$no_cut[] = $ref_id;
			}

			$object =& $this->ilias->obj_factory->getInstanceByRefId($ref_id);

			if (!$this->objDefinition->allowLink($object->getType()))
			{
				$no_link[] = $object->getType();
			}
		}

		// NO ACCESS
		if (count($no_cut))
		{
			$this->ilias->raiseError($this->lng->txt("msg_no_perm_link")." ".
									 implode(',',$no_cut),$this->ilias->error_obj->MESSAGE);
		}

		if (count($no_link))
		{
			$no_link = array_unique($no_link);

			foreach ($no_link as $type)
			{
				$txt_objs[] = $this->lng->txt("objs_".$type);
			}

			$this->ilias->raiseError(implode(', ',$txt_objs)." ".$this->lng->txt("msg_obj_no_link"),$this->ilias->error_obj->MESSAGE);

			//$this->ilias->raiseError($this->lng->txt("msg_not_possible_link")." ".
			//						 implode(',',$no_link),$this->ilias->error_obj->MESSAGE);
		}

		// WRITE TO CLIPBOARD
		$clipboard["parent"] = $_GET["ref_id"];
		$clipboard["cmd"] = $ilCtrl->getCmd();

		foreach ($_POST["id"] as $ref_id)
		{
			$clipboard["ref_ids"][] = $ref_id;
		}

		$_SESSION["clipboard"] = $clipboard;

		ilUtil::sendInfo($this->lng->txt("msg_link_clipboard"),true);

		return $this->initAndDisplayLinkIntoMultipleObjectsObject();

	} // END LINK


	/**
	* clear clipboard and go back to last object
	*
	* @access	public
	*/
	function clearObject()
	{
		unset($_SESSION["clipboard"]);
		unset($_SESSION["il_rep_clipboard"]);
		//var_dump($this->getReturnLocation("clear",$this->ctrl->getLinkTarget($this)),get_class($this));

		// only redirect if clipboard was cleared
		if (isset($_POST["cmd"]["clear"]))
		{
			ilUtil::sendSuccess($this->lng->txt("msg_clear_clipboard"),true);

			$this->ctrl->returnToParent($this);
			//ilUtil::redirect($this->getReturnLocation("clear",$this->ctrl->getLinkTarget($this)),get_class($this));
		}
	}
	
	public function performPasteIntoMultipleObjectsObject()
	{
		global $rbacsystem, $rbacadmin, $rbacreview, $log, $tree, $ilObjDataCache, $ilUser;

		if(!in_array($_SESSION['clipboard']['cmd'], array('cut', 'link')))
		{
			$message = __METHOD__.": cmd was neither 'cut' nor 'link'; may be a hack attempt!";
			$this->ilias->raiseError($message, $this->ilias->error_obj->WARNING);
		}
		
		if($_SESSION['clipboard']['cmd'] == 'cut')
		{
			if(isset($_POST['node']) && (int)$_POST['node'])
				$_POST['nodes'] = array($_POST['node']);
		}

		if(!is_array($_POST['nodes']) || !count($_POST['nodes']))
		{
			ilUtil::sendFailure($this->lng->txt('select_at_least_one_object'));
			if($_SESSION['clipboard']['cmd'] == 'cut')
				$this->showMoveIntoObjectTreeObject();
			else
				$this->showLinkIntoMultipleObjectsTreeObject();
			return;
		}	

		// this loop does all checks
		$folder_objects_cache = array();
		foreach($_SESSION['clipboard']['ref_ids'] as $ref_id)
		{
			$obj_data = ilObjectFactory::getInstanceByRefId($ref_id);
			$current_parent_id = $tree->getParentId($obj_data->getRefId());
			
			foreach($_POST['nodes'] as $folder_ref_id)
			{
				if(!array_key_exists($folder_ref_id, $folder_objects_cache))
				{
					$folder_objects_cache[$folder_ref_id] = ilObjectFactory::getInstanceByRefId($folder_ref_id);
				}

				// CHECK ACCESS
				if(!$rbacsystem->checkAccess('create', $folder_ref_id, $obj_data->getType()))
				{
					$no_paste[] = sprintf($this->lng->txt('msg_no_perm_paste_object_in_folder'), $obj_data->getTitle().' ['.$obj_data->getRefId().']', $folder_objects_cache[$folder_ref_id]->getTitle().' ['.$folder_objects_cache[$folder_ref_id]->getRefId().']');
				}
				
				// CHECK IF REFERENCE ALREADY EXISTS
				if($folder_ref_id == $current_parent_id)
				{
					$exists[] = sprintf($this->lng->txt('msg_obj_exists_in_folder'), $obj_data->getTitle().' ['.$obj_data->getRefId().']', $folder_objects_cache[$folder_ref_id]->getTitle().' ['.$folder_objects_cache[$folder_ref_id]->getRefId().']');
				}
	
				// CHECK IF PASTE OBJECT SHALL BE CHILD OF ITSELF
				if($tree->isGrandChild($ref_id, $folder_ref_id))
				{
					$is_child[] = sprintf($this->lng->txt('msg_paste_object_not_in_itself'), $obj_data->getTitle().' ['.$obj_data->getRefId().']');
				}
	
				// CHECK IF OBJECT IS ALLOWED TO CONTAIN PASTED OBJECT AS SUBOBJECT	
				if(!in_array($obj_data->getType(), array_keys($this->objDefinition->getSubObjects($folder_objects_cache[$folder_ref_id]->getType()))))
				{
					$not_allowed_subobject[] = sprintf($this->lng->txt('msg_obj_may_not_contain_objects_of_type'), $folder_objects_cache[$folder_ref_id]->getTitle().' ['.$folder_objects_cache[$folder_ref_id]->getRefId().']', $obj_data->getType());
				}				
			}		
		}		
		
		////////////////////////////
		// process checking results
		if(count($exists))
		{
			$error .= implode('<br />', $exists);
		}

		if(count($is_child))
		{
			$error .= $error != '' ? '<br />' : '';
			$error .= implode('<br />', $is_child);
		}

		if(count($not_allowed_subobject))
		{
			$error .= $error != '' ? '<br />' : '';
			$error .= implode('<br />', $not_allowed_subobject);
		}

		if(count($no_paste))
		{
			$error .= $error != '' ? '<br />' : '';
			$error .= implode('<br />', $no_paste);
		}
		
		if($error != '')
		{
			ilUtil::sendFailure($error);
			if($_SESSION['clipboard']['cmd'] == 'cut')
				$this->showMoveIntoObjectTreeObject();
			else
				$this->showLinkIntoMultipleObjectsTreeObject();
			return;
		}

		// log pasteObject call
		$log->write(__METHOD__.", cmd: ".$_SESSION["clipboard"]["cmd"]);

		////////////////////////////////////////////////////////
		// everything ok: now paste the objects to new location

		// to prevent multiple actions via back/reload button
		$ref_ids = $_SESSION['clipboard']['ref_ids'];
		unset($_SESSION['clipboard']['ref_ids']);
		
		// process CUT command
		if($_SESSION['clipboard']['cmd'] == 'cut')
		{			
			foreach($_POST['nodes'] as $folder_ref_id)
			{
				foreach($ref_ids as $ref_id)
				{
					// Store old parent
					$old_parent = $tree->getParentId($ref_id);
					$tree->moveTree($ref_id, $folder_ref_id);
					$rbacadmin->adjustMovedObjectPermissions($ref_id, $old_parent);
					
					include_once('classes/class.ilConditionHandler.php');
					ilConditionHandler::_adjustMovedObjectConditions($ref_id);
	
					// BEGIN ChangeEvent: Record cut event.
					if(ilChangeEvent::_isActive() )
					{
						$node_data = $tree->getNodeData($ref_id);
						$old_parent_data = $tree->getNodeData($old_parent);
						ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'remove', 
							$old_parent_data['obj_id']);
						ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'add', 
							$ilObjDataCache->lookupObjId($folder_ref_id));
						ilChangeEvent::_catchupWriteEvents($node_data['obj_id'], $ilUser->getId());
					}
					// END PATCH ChangeEvent: Record cut event.
				}
				
				// prevent multiple iterations for cut cmommand
				break;
			}
			
			ilUtil::sendSuccess($this->lng->txt('msg_cut_copied'), true);
		} // END CUT	
		
		// process LINK command
		if($_SESSION['clipboard']['cmd'] == 'link')
		{
			$linked_to_folders = array();

			include_once "Services/AccessControl/classes/class.ilRbacLog.php";
			$rbac_log_active = ilRbacLog::isActive();
			
			foreach($_POST['nodes'] as $folder_ref_id)
			{		
				$linked_to_folders[] = $ilObjDataCache->lookupTitle($ilObjDataCache->lookupObjId($folder_ref_id));
						
				foreach($ref_ids as $ref_id)
				{
					// get node data
					$top_node = $tree->getNodeData($ref_id);
	
					// get subnodes of top nodes
					$subnodes[$ref_id] = $tree->getSubtree($top_node);
				}
	
				// now move all subtrees to new location
				foreach($subnodes as $key => $subnode)
				{
					// first paste top_node....
					$obj_data = ilObjectFactory::getInstanceByRefId($key);
					$new_ref_id = $obj_data->createReference();
					$obj_data->putInTree($folder_ref_id);
					$obj_data->setPermissions($folder_ref_id);
					
					// rbac log
					if($rbac_log_active)
					{
						$rbac_log_roles = $rbacreview->getParentRoleIds($new_ref_id, false);
						$rbac_log = ilRbacLog::gatherFaPa($new_ref_id, array_keys($rbac_log_roles));
						ilRbacLog::add(ilRbacLog::LINK_OBJECT, $new_ref_id, $rbac_log, $key);
					}
	
					// BEGIN ChangeEvent: Record link event.
					if(ilChangeEvent::_isActive())
					{
						$node_data = $tree->getNodeData($new_ref_id);
						ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'add', 
							$ilObjDataCache->lookupObjId($folder_ref_id));
						ilChangeEvent::_catchupWriteEvents($node_data['obj_id'], $ilUser->getId());
					}
					// END PATCH ChangeEvent: Record link event.
				}
	
				$log->write(__METHOD__.', link finished');
			}
			
			ilUtil::sendSuccess(sprintf($this->lng->txt('mgs_objects_linked_to_the_following_folders'), implode(', ', $linked_to_folders)), true);
		} // END LINK

		// clear clipboard
		$this->clearObject();	

		$this->ctrl->returnToParent($this);
	}
	
	public function initAndDisplayLinkIntoMultipleObjectsObject()
	{
		global $tree;
		
		// empty session on init
		$_SESSION['paste_linked_repexpand'] = array();
		
		// copy opend nodes from repository explorer		
		$_SESSION['paste_linked_repexpand'] = is_array($_SESSION['repexpand']) ? $_SESSION['repexpand'] : array();
		
		// open current position
		$path = $tree->getPathId((int)$_GET['ref_id']);
		foreach((array)$path as $node_id)
		{
			if(!in_array($node_id, $_SESSION['paste_linked_repexpand']))
				$_SESSION['paste_linked_repexpand'][] = $node_id;
		}
		
		return $this->showLinkIntoMultipleObjectsTreeObject();
	}
	
	public function showLinkIntoMultipleObjectsTreeObject()
	{
		global $ilTabs, $ilToolbar;
	
		$ilTabs->setTabActive('view_content');
		
		if(!in_array($_SESSION['clipboard']['cmd'], array('link')))
		{
			$message = __METHOD__.": cmd was not 'link'; may be a hack attempt!";
			$this->ilias->raiseError($message, $this->ilias->error_obj->WARNING);
		}

		$this->tpl->addBlockfile('ADM_CONTENT', 'adm_content', 'tpl.paste_into_multiple_objects.html');	
		
		require_once 'classes/class.ilPasteIntoMultipleItemsExplorer.php';
		$exp = new ilPasteIntoMultipleItemsExplorer(ilPasteIntoMultipleItemsExplorer::SEL_TYPE_CHECK, 'repository.php?cmd=goto', 'paste_linked_repexpand');	
		$exp->setExpandTarget($this->ctrl->getLinkTarget($this, 'showLinkIntoMultipleObjectsTree'));
		$exp->setTargetGet('ref_id');				
		$exp->setPostVar('nodes[]');
		is_array($_POST['nodes']) ? $exp->setCheckedItems((array)$_POST['nodes']) : $exp->setCheckedItems(array());

		if($_GET['paste_linked_repexpand'] == '')
		{
			$expanded = $this->tree->readRootId();
		}
		else
		{
			$expanded = $_GET['paste_linked_repexpand'];
		}
		
		$this->tpl->setVariable('FORM_TARGET', '_top');
		$this->tpl->setVariable('FORM_ACTION', $this->ctrl->getFormAction($this, 'performPasteIntoMultipleObjects'));

		$exp->setExpand($expanded);
		// build html-output
		$exp->setOutput(0);
		$output = $exp->getOutput();

		$this->tpl->setVariable('OBJECT_TREE', $output);
		
		$this->tpl->setVariable('CMD_SUBMIT', 'performPasteIntoMultipleObjects');
		$this->tpl->setVariable('TXT_SUBMIT', $this->lng->txt('paste'));
		
		$ilToolbar->addButton($this->lng->txt('back'), $this->ctrl->getParentReturnByClass(get_class($this)));
	}
	
	public function initAndDisplayMoveIntoObjectObject()
	{
		global $tree;
		
		// empty session on init
		$_SESSION['paste_cut_repexpand'] = array();
		
		// copy opend nodes from repository explorer		
		$_SESSION['paste_cut_repexpand'] = is_array($_SESSION['repexpand']) ? $_SESSION['repexpand'] : array();
		
		// open current position
		$path = $tree->getPathId((int)$_GET['ref_id']);
		foreach((array)$path as $node_id)
		{
			if(!in_array($node_id, $_SESSION['paste_cut_repexpand']))
				$_SESSION['paste_cut_repexpand'][] = $node_id;
		}
		
		return $this->showMoveIntoObjectTreeObject();
	}
	
	public function showMoveIntoObjectTreeObject()
	{
		global $ilTabs, $ilToolbar;
	
		$ilTabs->setTabActive('view_content');
		
		if(!in_array($_SESSION['clipboard']['cmd'], array('cut')))
		{
			$message = __METHOD__.": cmd was not 'cut'; may be a hack attempt!";
			$this->ilias->raiseError($message, $this->ilias->error_obj->WARNING);
		}

		$this->tpl->addBlockfile('ADM_CONTENT', 'adm_content', 'tpl.paste_into_multiple_objects.html');	
		
		require_once 'classes/class.ilPasteIntoMultipleItemsExplorer.php';
		$exp = new ilPasteIntoMultipleItemsExplorer(ilPasteIntoMultipleItemsExplorer::SEL_TYPE_RADIO, 'repository.php?cmd=goto', 'paste_cut_repexpand');	
		$exp->setExpandTarget($this->ctrl->getLinkTarget($this, 'showMoveIntoObjectTree'));
		$exp->setTargetGet('ref_id');				
		$exp->setPostVar('node');
		$exp->setCheckedItems(array((int)$_POST['node']));

		if($_GET['paste_cut_repexpand'] == '')
		{
			$expanded = $this->tree->readRootId();
		}
		else
		{
			$expanded = $_GET['paste_cut_repexpand'];
		}
		
		$this->tpl->setVariable('FORM_TARGET', '_top');
		$this->tpl->setVariable('FORM_ACTION', $this->ctrl->getFormAction($this, 'performPasteIntoMultipleObjects'));

		$exp->setExpand($expanded);
		// build html-output
		$exp->setOutput(0);
		$output = $exp->getOutput();

		$this->tpl->setVariable('OBJECT_TREE', $output);
		
		$this->tpl->setVariable('CMD_SUBMIT', 'performPasteIntoMultipleObjects');
		$this->tpl->setVariable('TXT_SUBMIT', $this->lng->txt('paste'));
		
		$ilToolbar->addButton($this->lng->txt('back'), $this->ctrl->getParentReturnByClass(get_class($this)));
	}

	/**
	* paste object from clipboard to current place
	* Depending on the chosen command the object(s) are linked, copied or moved
	*
	* @access	public
 	*/
	function pasteObject()
	{
		global $rbacsystem, $rbacadmin, $rbacreview, $log,$tree;
		global $ilUser, $lng;

		// BEGIN ChangeEvent: Record paste event.
		require_once('Services/Tracking/classes/class.ilChangeEvent.php');
		// END ChangeEvent: Record paste event.

//var_dump($_SESSION["clipboard"]);exit;
		if (!in_array($_SESSION["clipboard"]["cmd"],array("cut","link","copy")))
		{
			$message = get_class($this)."::pasteObject(): cmd was neither 'cut','link' or 'copy'; may be a hack attempt!";
			$this->ilias->raiseError($message,$this->ilias->error_obj->WARNING);
		}

		// this loop does all checks
		foreach ($_SESSION["clipboard"]["ref_ids"] as $ref_id)
		{
			$obj_data =& $this->ilias->obj_factory->getInstanceByRefId($ref_id);

			// CHECK ACCESS
			if (!$rbacsystem->checkAccess('create',$this->object->getRefId(), $obj_data->getType()))
			{
				$no_paste[] = $ref_id;
				$no_paste_titles[] = $obj_data->getTitle();
			}

			// CHECK IF REFERENCE ALREADY EXISTS
			if ($this->object->getRefId() == $this->tree->getParentId($obj_data->getRefId()))
			{
				$exists[] = $ref_id;
				break;
			}

			// CHECK IF PASTE OBJECT SHALL BE CHILD OF ITSELF
			if ($this->tree->isGrandChild($ref_id,$this->object->getRefId()))
			{
				$is_child[] = $ref_id;
			}

			// CHECK IF OBJECT IS ALLOWED TO CONTAIN PASTED OBJECT AS SUBOBJECT
			$obj_type = $obj_data->getType();

			if (!in_array($obj_type, array_keys($this->objDefinition->getSubObjects($this->object->getType()))))
			{
				$not_allowed_subobject[] = $obj_data->getType();
			}
		}

		////////////////////////////
		// process checking results
		// BEGIN WebDAV: Copying an object into the same container is allowed
		if (count($exists) && $_SESSION["clipboard"]["cmd"] != "copy")
		// END WebDAV: Copying an object into the same container is allowed
		{
			$this->ilias->raiseError($this->lng->txt("msg_obj_exists"),$this->ilias->error_obj->MESSAGE);
		}

		if (count($is_child))
		{
			$this->ilias->raiseError($this->lng->txt("msg_not_in_itself")." ".implode(',',$is_child),
									 $this->ilias->error_obj->MESSAGE);
		}

		if (count($not_allowed_subobject))
		{
			$this->ilias->raiseError($this->lng->txt("msg_may_not_contain")." ".implode(',',$not_allowed_subobject),
									 $this->ilias->error_obj->MESSAGE);
		}

		if (count($no_paste))
		{
			$this->ilias->raiseError($this->lng->txt("msg_no_perm_paste")." ".
									 implode(',',$no_paste),$this->ilias->error_obj->MESSAGE);
		}

		// log pasteObject call
		$log->write("ilObjectGUI::pasteObject(), cmd: ".$_SESSION["clipboard"]["cmd"]);

		////////////////////////////////////////////////////////
		// everything ok: now paste the objects to new location

		// to prevent multiple actions via back/reload button
		$ref_ids = $_SESSION["clipboard"]["ref_ids"];
		unset($_SESSION["clipboard"]["ref_ids"]);

		// BEGIN WebDAV: Support a copy command in the repository
		// process COPY command
		if ($_SESSION["clipboard"]["cmd"] == "copy")
		{
			foreach($ref_ids as $ref_id)
			{
				$revIdMapping = array(); 
                                
				$oldNode_data = $tree->getNodeData($ref_id);
				if ($oldNode_data['parent'] == $this->object->getRefId())
				{
					require_once 'Modules/File/classes/class.ilObjFileAccess.php';
					$newTitle = ilObjFileAccess::_appendNumberOfCopyToFilename($oldNode_data['title'],null);
					$newRef = $this->cloneNodes($ref_id, $this->object->getRefId(), $refIdMapping, $newTitle);
				}
				else
				{
					$newRef = $this->cloneNodes($ref_id, $this->object->getRefId(), $refIdMapping, null);
				}


				// BEGIN ChangeEvent: Record copy event.
				if (ilChangeEvent::_isActive() )
				{
					$old_parent_data = $tree->getParentNodeData($ref_id);
					$newNode_data = $tree->getNodeData($newRef);
					ilChangeEvent::_recordReadEvent($oldNode_data['type'], $ref_id,
						$oldNode_data['obj_id'], $ilUser->getId());
					ilChangeEvent::_recordWriteEvent($newNode_data['obj_id'], $ilUser->getId(), 'add', 
						$this->object->getId());
					ilChangeEvent::_catchupWriteEvents($newNode_data['obj_id'], $ilUser->getId());
				}
				// END ChangeEvent: Record copy event.
			}
			$log->write("ilObjectGUI::pasteObject(), copy finished");
		}
		// END WebDAV: Support a Copy command in the repository

		// process CUT command
		if ($_SESSION["clipboard"]["cmd"] == "cut")
		{
			
			foreach($ref_ids as $ref_id)
			{
				// Store old parent
				$old_parent = $tree->getParentId($ref_id);
				$this->tree->moveTree($ref_id,$this->object->getRefId());
				$rbacadmin->adjustMovedObjectPermissions($ref_id,$old_parent);
				
				include_once('classes/class.ilConditionHandler.php');
				ilConditionHandler::_adjustMovedObjectConditions($ref_id);

				// BEGIN ChangeEvent: Record cut event.
				if (ilChangeEvent::_isActive() )
				{
					$node_data = $tree->getNodeData($ref_id);
					$old_parent_data = $tree->getNodeData($old_parent);
					ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'remove', 
						$old_parent_data['obj_id']);
					ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'add', 
						$this->object->getId());
					ilChangeEvent::_catchupWriteEvents($node_data['obj_id'], $ilUser->getId());
				}
				// END PATCH ChangeEvent: Record cut event.
			}
		} // END CUT

		// process LINK command
		if ($_SESSION["clipboard"]["cmd"] == "link")
		{
			foreach ($ref_ids as $ref_id)
			{
				// get node data
				$top_node = $this->tree->getNodeData($ref_id);

				// get subnodes of top nodes
				$subnodes[$ref_id] = $this->tree->getSubtree($top_node);
			}

			// now move all subtrees to new location
			foreach ($subnodes as $key => $subnode)
			{
				// first paste top_node....
				$obj_data =& $this->ilias->obj_factory->getInstanceByRefId($key);
				$new_ref_id = $obj_data->createReference();
				$obj_data->putInTree($_GET["ref_id"]);
				$obj_data->setPermissions($_GET["ref_id"]);

				// BEGIN ChangeEvent: Record link event.
				if (ilChangeEvent::_isActive() )
				{
					$node_data = $tree->getNodeData($new_ref_id);
					ilChangeEvent::_recordWriteEvent($node_data['obj_id'], $ilUser->getId(), 'add', 
						$this->object->getId());
					ilChangeEvent::_catchupWriteEvents($node_data['obj_id'], $ilUser->getId());
				}
				// END PATCH ChangeEvent: Record link event.
			}

			$log->write("ilObjectGUI::pasteObject(), link finished");

			// inform other objects in hierarchy about link operation
			//$this->object->notify("link",$this->object->getRefId(),$_SESSION["clipboard"]["parent_non_rbac_id"],$this->object->getRefId(),$subnodes);
		} // END LINK

		// save cmd for correct message output after clearing the clipboard
		$last_cmd = $_SESSION["clipboard"]["cmd"];


		// clear clipboard
		$this->clearObject();

		if ($last_cmd == "cut")
		{
			ilUtil::sendSuccess($this->lng->txt("msg_cut_copied"),true);
		}
		// BEGIN WebDAV: Support a copy command in repository
		else if ($last_cmd == "copy")
		{
			ilUtil::sendSuccess($this->lng->txt("msg_cloned"),true);
		}
		else if ($last_command == 'link')
		// END WebDAV: Support copy command in repository
		{
			ilUtil::sendSuccess($this->lng->txt("msg_linked"),true);
		}

		$this->ctrl->returnToParent($this);

	} // END PASTE
	

	// BEGIN WebDAV: Support a copy command in repository
	
	/**
	* Copy object(s) out from a container and write the information to clipboard
	* It is not possible to copy multiple objects at once.
	*
	*
	* @access	public
	*/
	function copyObject()
	{
		global $ilAccess,$ilObjDefinition;
		
		if(!$ilAccess->checkAccess('copy','',$_GET['item_ref_id']))
		{
			$title = ilObject::_lookupTitle(ilObject::_lookupObjId($_GET['item_ref_id']));
			
			ilUtil::sendFailure($this->lng->txt('msg_no_perm_copy').' '.$title,true);
			$this->ctrl->returnToParent($this);
		}
		
		$_SESSION["clipboard"]["parent"] = $_GET["ref_id"];
		$_SESSION["clipboard"]["cmd"] = 'copy';

		ilUtil::sendInfo($this->lng->txt("msg_copy_clipboard"),true);
		return $this->initAndDisplayCopyIntoObjectObject();
		
		
		

		

		// FOR ALL OBJECTS THAT SHOULD BE COPIED
		foreach ($_POST["id"] as $ref_id)
		{
			// GET COMPLETE NODE_DATA OF ALL SUBTREE NODES
			$node_data = $this->tree->getNodeData($ref_id);
			$subtree_nodes = $this->tree->getSubTree($node_data);

			$all_node_data[] = $node_data;
			$all_subtree_nodes[] = $subtree_nodes;

			// CHECK VIEW, READ AND COPY PERMISSION OF ALL OBJECTS IN ACTUAL SUBTREE
			foreach ($subtree_nodes as $node)
			{
				if($node['type'] == 'rolf')
				{
					continue;
				}
				
				if (!$rbacsystem->checkAccess('visible,read,copy',$node["ref_id"]))
				{
					$no_copy[] = $node["ref_id"];
				}
			}
		}
		// IF THERE IS ANY OBJECT WITH NO PERMISSION TO 'view,read'
		if (count($no_copy))
		{
			$this->ilias->raiseError($this->lng->txt("msg_no_perm_copy")." ".implode(',',$this->getTitlesByRefId($no_copy)),
									 $this->ilias->error_obj->MESSAGE);
		}
		$_SESSION["clipboard"]["parent"] = $_GET["ref_id"];
		$_SESSION["clipboard"]["cmd"] = ($_GET["cmd"] != "" && $_GET["cmd"] != "post")
			? $_GET["cmd"]
			: key($_POST["cmd"]);
		$_SESSION["clipboard"]["ref_ids"] = $_POST["id"];

		ilUtil::sendInfo($this->lng->txt("msg_copy_clipboard"),true);

		$this->ctrl->returnToParent($this);

	} // END COPY
	// BEGIN WebDAV: Support copy command in repository


	/**
	* show clipboard
	*/
	function clipboardObject()
	{
		global $ilErr,$ilLog;

		// function should not be called if clipboard is empty
		if (empty($_SESSION['clipboard']) or !is_array($_SESSION['clipboard']))
		{
			$message = sprintf('%s::clipboardObject(): Illegal access. Clipboard variable is empty!', get_class($this));
			$ilLog->write($message,$ilLog->FATAL);
			$ilErr->raiseError($this->lng->txt("permission_denied"),$ilErr->WARNING);
		}

		$this->tpl->addBlockFile("ADM_CONTENT", "adm_content", "tpl.rep_clipboard.html");

		// FORMAT DATA
		$counter = 0;
		$f_result = array();

		foreach($_SESSION["clipboard"]["ref_ids"] as $ref_id)
		{
			if(!$tmp_obj = ilObjectFactory::getInstanceByRefId($ref_id,false))
			{
				continue;
			}

			//$f_result[$counter][] = ilUtil::formCheckbox(0,"user[]",$user);
			$f_result[$counter][] = $this->lng->txt("obj_".$tmp_obj->getType());
			$f_result[$counter][] = $tmp_obj->getTitle();
			//$f_result[$counter][] = $tmp_obj->getDescription();
			$f_result[$counter][] = ($_SESSION["clipboard"]["cmd"] == "cut") ? $this->lng->txt("move") :$this->lng->txt($_SESSION["clipboard"]["cmd"]);

			unset($tmp_obj);
			++$counter;
		}

		$this->__showClipboardTable($f_result, "clipboardObject");

		return true;
	}

	
	/**
	* show edit section of custom icons for container
	* 
	*/
	function showCustomIconsEditing($a_input_colspan = 1)
	{
		if ($this->ilias->getSetting("custom_icons"))
		{
			$this->tpl->addBlockFile("CONTAINER_ICONS", "container_icon_settings",
				"tpl.container_icon_settings.html");

			if (($big_icon = $this->object->getBigIconPath()) != "")
			{
				$this->tpl->setCurrentBlock("big_icon");
				$this->tpl->setVariable("SRC_BIG_ICON", $big_icon);
				$this->tpl->parseCurrentBlock();
			}
			if ($this->object->getType() != "root")
			{
				if (($small_icon = $this->object->getSmallIconPath()) != "")
				{
					$this->tpl->setCurrentBlock("small_icon");
					$this->tpl->setVariable("SRC_SMALL_ICON", $small_icon);
					$this->tpl->parseCurrentBlock();
				}
				$this->tpl->setCurrentBlock("small_icon_row");
				$this->tpl->setVariable("SMALL_ICON", $this->lng->txt("standard_icon"));
				$this->tpl->setVariable("SMALL_SIZE", "(".
					$this->ilias->getSetting("custom_icon_small_width")."x".
					$this->ilias->getSetting("custom_icon_small_height").")");
				$this->tpl->setVariable("TXT_REMOVE_S", $this->lng->txt("remove"));
				$this->tpl->parseCurrentBlock();
			}
			if (($tiny_icon = $this->object->getTinyIconPath()) != "")
			{
				$this->tpl->setCurrentBlock("tiny_icon");
				$this->tpl->setVariable("SRC_TINY_ICON", $tiny_icon);
				$this->tpl->parseCurrentBlock();
			}
			$this->tpl->setCurrentBlock("container_icon_settings");
			$this->tpl->setVariable("SPAN_TITLE", $a_input_colspan + 1);
			$this->tpl->setVariable("SPAN_INPUT", $a_input_colspan);
			$this->tpl->setVariable("ICON_SETTINGS", $this->lng->txt("icon_settings"));
			$this->tpl->setVariable("BIG_ICON", $this->lng->txt("big_icon"));
			$this->tpl->setVariable("TINY_ICON", $this->lng->txt("tiny_icon"));
			$this->tpl->setVariable("BIG_SIZE", "(".
				$this->ilias->getSetting("custom_icon_big_width")."x".
				$this->ilias->getSetting("custom_icon_big_height").")");
			$this->tpl->setVariable("TINY_SIZE", "(".
				$this->ilias->getSetting("custom_icon_tiny_width")."x".
				$this->ilias->getSetting("custom_icon_tiny_height").")");
			$this->tpl->setVariable("TXT_REMOVE", $this->lng->txt("remove"));
			$this->tpl->parseCurrentBlock();
		}
	}

	function isActiveAdministrationPanel()
	{
		return $_SESSION["il_cont_admin_panel"];
	}
	
	/**
	* May be overwritten in subclasses.
	*/
	function setColumnSettings($column_gui)
	{
		global $ilAccess;
		parent::setColumnSettings($column_gui);

		if ($ilAccess->checkAccess("write", "", $this->object->getRefId()) &&
			$this->isActiveAdministrationPanel() &&
			$this->allowBlocksMoving())
		{
			$column_gui->setEnableMovement(true);
		}
		
		$column_gui->setRepositoryItems(
			$this->object->getSubItems($this->isActiveAdministrationPanel(), true));
		
		//if ($ilAccess->checkAccess("write", "", $this->object->getRefId())
		//	&& $this->allowBlocksConfigure())
		if ($ilAccess->checkAccess("write", "", $this->object->getRefId()))
		{
			$column_gui->setBlockProperty("news", "settings", true);
			//$column_gui->setBlockProperty("news", "public_notifications_option", true);
			$column_gui->setBlockProperty("news", "default_visibility_option", true);
			$column_gui->setBlockProperty("news", "hide_news_block_option", true);
		}
		
		if ($this->isActiveAdministrationPanel())
		{
			$column_gui->setAdminCommands(true);
		}
	}
	
	/**
	* Standard is to allow blocks moving
	*/
	function allowBlocksMoving()
	{
		true;
	}

	/**
	* Standard is to allow blocks configuration
	*/
	function allowBlocksConfigure()
	{
		true;
	}
	
	/**
	* 
	*
	* @access public
	* @param
	* 
	*/
	public function cloneWizardPageTreeObject()
	{
	 	$this->cloneWizardPageObject(true);
	}
	
	/**
	 * 
	 *
	 * @access public
	 * @param
	 * 
	 */
	public function cloneWizardPageListObject()
	{
	 	$this->cloneWizardPageObject(false);
	}
	
	/**
	 * Show clone wizard page for container objects
	 *
	 * @access public
	 * 
	 */
	public function cloneWizardPageObject($a_tree_view = true)
	{
		include_once('Services/CopyWizard/classes/class.ilCopyWizardPageFactory.php');
		
		global $ilObjDataCache,$tree;
		
	 	if(!$_REQUEST['clone_source'])
	 	{
			ilUtil::sendFailure($this->lng->txt('select_one'));
			if(isset($_SESSION['wizard_search_title']))
			{
				$this->searchCloneSourceObject();
			}
			else
			{
				$this->createObject();
			}
			return false;
	 	}
		$source_id = $_REQUEST['clone_source'];
	 	$new_type = $_REQUEST['new_type'];
	 	$this->ctrl->setParameter($this,'clone_source',(int) $_REQUEST['clone_source']);
	 	$this->ctrl->setParameter($this,'new_type',$new_type);
		

		// Generell JavaScript
		$this->tpl->addJavaScript('./Services/CopyWizard/js/ilContainer.js');
		$this->tpl->setVariable('BODY_ATTRIBUTES','onload="ilDisableChilds(\'cmd\');"');

		
	 	$this->tpl->addBlockFile('ADM_CONTENT','adm_content','tpl.container_wizard_page.html');
	 	$this->tpl->setVariable('FORMACTION',$this->ctrl->getFormAction($this));
	 	$this->tpl->setVariable('TYPE_IMG',ilUtil::getImagePath('icon_'.$new_type.'.gif'));
	 	$this->tpl->setVariable('ALT_IMG',$this->lng->txt('obj_'.$new_type));
	 	$this->tpl->setVariable('TXT_DUPLICATE',$this->lng->txt($new_type.'_wizard_page'));
	 	$this->tpl->setVariable('INFO_DUPLICATE',$this->lng->txt($new_type.'_copy_threads_info'));
	 	$this->tpl->setVariable('BTN_COPY',$this->lng->txt('obj_'.$new_type.'_duplicate'));
	 	$this->tpl->setVariable('BTN_BACK',$this->lng->txt('btn_back'));
	 	if(isset($_SESSION['wizard_search_title']))
	 	{
	 		$this->tpl->setVariable('CMD_BACK','searchCloneSource');
	 	}
	 	else
	 	{
	 		$this->tpl->setVariable('CMD_BACK','create');
	 	}
	 	
	 	$this->tpl->setVariable('BTN_TREE',$this->lng->txt('treeview'));
	 	$this->tpl->setVariable('BTN_LIST',$this->lng->txt('flatview'));

		// Fill item rows
		// tree view
		if($a_tree_view)
		{
			$first = true;
			$has_items = false; 
			foreach($subnodes = $tree->getSubtree($source_node = $tree->getNodeData($source_id),true) as $node)
			{
				if($first == true)
				{
					$first = false;
					continue;
				}
				
				if($node['type'] == 'rolf')
				{
					continue;
				}
				
				$has_items = true;

				for($i = $source_node['depth'];$i < $node['depth']; $i++)
				{
					$this->tpl->touchBlock('padding');
					$this->tpl->touchBlock('end_padding');
				}
				// fill options
				$copy_wizard_page = ilCopyWizardPageFactory::_getInstanceByType($source_id,$node['type']);
				$copy_wizard_page->fillTreeSelection($node['ref_id'],$node['type'],$node['depth']);
				
				$this->tpl->setCurrentBlock('tree_row');
				$this->tpl->setVariable('TREE_IMG',ilUtil::getImagePath('icon_'.$node['type'].'_s.gif'));
				$this->tpl->setVariable('TREE_ALT_IMG',$this->lng->txt('obj_'.$node['type']));
				$this->tpl->setVariable('TREE_TITLE',$node['title']);
				$this->tpl->parseCurrentBlock();
			}
			if(!$has_items)
			{
				$this->tpl->setCurrentBlock('no_content');
				$this->tpl->setVariable('TXT_NO_CONTENT',$this->lng->txt('container_no_items'));
				$this->tpl->parseCurrentBlock();
			}
			else
			{
				$this->tpl->setCurrentBlock('tree_footer');
				$this->tpl->setVariable('TXT_COPY_ALL',$this->lng->txt('copy_all'));
				$this->tpl->setVariable('TXT_LINK_ALL',$this->lng->txt('link_all'));
				$this->tpl->setVariable('TXT_OMIT_ALL',$this->lng->txt('omit_all'));
				$this->tpl->parseCurrentBlock();
				
			}
		}
		else
		{
			foreach($tree->getSubTreeTypes($source_id,array('rolf','crs')) as $type)
			{
				$copy_wizard_page = ilCopyWizardPageFactory::_getInstanceByType($source_id,$type);
				if(strlen($html = $copy_wizard_page->getWizardPageBlockHTML()))
				{
					$this->tpl->setCurrentBlock('obj_row');
					$this->tpl->setVariable('ITEM_BLOCK',$html);
					$this->tpl->parseCurrentBlock();
				}
			}
		}
	}
	
	/**
	 * Clone all object
	 * Overwritten method for copying container objects
	 *
	 * @access public
	 * 
	 */
	public function cloneAllObject()
	{
		global $ilLog;
		
		include_once('classes/class.ilLink.php');
		include_once('Services/CopyWizard/classes/class.ilCopyWizardOptions.php');
		
		global $ilAccess,$ilErr,$rbacsystem,$tree,$ilUser;
		
	 	$new_type = $_REQUEST['new_type'];
	 	$ref_id = (int) $_GET['ref_id'];
	 	$clone_source = (int) $_REQUEST['clone_source'];
	 	
	 	if(!$rbacsystem->checkAccess('create', $ref_id,$new_type))
	 	{
	 		$ilErr->raiseError($this->lng->txt('permission_denied'));
	 	}
		if(!$clone_source)
		{
			ilUtil::sendFailure($this->lng->txt('select_one'));
			$this->createObject();
			return false;
		}
		if(!$ilAccess->checkAccess('write','', $clone_source,$new_type))
		{
	 		$ilErr->raiseError($this->lng->txt('permission_denied'));
		}

		$options = $_POST['cp_options'] ? $_POST['cp_options'] : array();
		$orig = ilObjectFactory::getInstanceByRefId($clone_source);
		$result = $orig->cloneAllObject($_COOKIE['PHPSESSID'], $_COOKIE['ilClientId'], $new_type, $ref_id, $clone_source, $options);
		
		// Check if copy is in progress
		if ($result == $ref_id)
		{
			ilUtil::sendInfo($this->lng->txt("object_copy_in_progress"),true);
			ilUtil::redirect('repository.php?ref_id='.$ref_id);
		} 
		else 
		{
			ilUtil::sendSuccess($this->lng->txt("object_duplicated"),true);
			ilUtil::redirect('repository.php?ref_id='.$result);			
		}	
	}

	/**
	 * 
	 *
	 * @access public
	 * @param
	 * 
	 */
	public function copyWizardHasOptions($a_mode)
	{
	 	switch($a_mode)
	 	{
	 		case self::COPY_WIZARD_NEEDS_PAGE:
	 			return true;
	 		
	 		default:
	 			return false;
	 	}
	}
	
	/**
	 * Save Sorting
	 *
	 * @access public
	 * @param
	 * 
	 */
	public function saveSortingObject()
	{
		include_once('Services/Container/classes/class.ilContainerSorting.php');
		$sorting = ilContainerSorting::_getInstance($this->object->getId());
		$sorting->savePost($_POST['position']);
		ilUtil::sendSuccess($this->lng->txt('cntr_saved_sorting'), true);
		$this->ctrl->redirect($this, "editOrder");
	}
	
	// BEGIN WebDAV: Support a copy command in the repository
	/**
	* Recursively clones all nodes of the RBAC tree.
	* 
	* @access	private
	* @param	integer ref_id of source object
	* @param	integer ref_id of destination object
	* @param	array	mapping new_ref_id => old_ref_id
	* @param	string the new name of the copy (optional).
	* @return	The ref_id pointing to the cloned object.
	*/
	function cloneNodes($srcRef,$dstRef,&$mapping, $newName=null)
	{
		global $tree;
		global $ilias;
		
		// clone the source node
		$srcObj =& $ilias->obj_factory->getInstanceByRefId($srcRef);
		error_log(__METHOD__.' cloning srcRef='.$srcRef.' dstRef='.$dstRef.'...');
		$newRef = $srcObj->cloneObject($dstRef)->getRefId();
		error_log(__METHOD__.' ...cloning... newRef='.$newRef.'...');
		
		// We must immediately apply a new name to the object, to
		// prevent confusion of WebDAV clients about having two objects with identical
		// name in the repository.
		if (! is_null($newName))
		{
			$newObj =& $ilias->obj_factory->getInstanceByRefId($newRef);
			$newObj->setTitle($newName);
			$newObj->update();
			unset($newObj);
		}
		unset($srcObj);
		$mapping[$newRef] = $srcRef;

		// clone all children of the source node
		$children = $tree->getChilds($srcRef);
		foreach ($tree->getChilds($srcRef) as $child)
		{
			// Don't clone role folders, because it does not make sense to clone local roles
			// FIXME - Maybe it does make sense (?)
			if ($child["type"] != 'rolf')
			{
				$this->cloneNodes($child["ref_id"],$newRef,$mapping);
			}
			else
			{
				if (count($rolf = $tree->getChildsByType($newRef,"rolf")))
				{
					$mapping[$rolf[0]["ref_id"]] = $child["ref_id"];
				}
			}
		}
		error_log(__METHOD__.' ...cloned srcRef='.$srcRef.' dstRef='.$dstRef.' newRef='.$newRef);
		return $newRef;
	}
	// END PATCH WebDAV: Support a copy command in the repository

	/**
	* Modify Item ListGUI for presentation in container
	*/
	function modifyItemGUI(&$a_item_list_gui, $a_item_data, $a_show_path)
	{
		global $lng;
		
		if($a_show_path)
		{
			$a_item_list_gui->addCustomProperty($lng->txt('path'),
				ilContainer_buildPath($a_item_data['ref_id'], $this->object->getRefId()),
				false, true);
		}
	}
	
	/**
	* build path
	*/
	static function _buildPath($a_ref_id, $a_course_ref_id)
	{
		global $tree;

		$path_arr = $tree->getPathFull($a_ref_id, $a_course_ref_id);
		$counter = 0;
		foreach($path_arr as $data)
		{
			if($counter++)
			{
				$path .= " > ";
			}
			$path .= $data['title'];
		}

		return $path;
	}

	//
	// Style editing
	//
	
	/**
	* Edit style properties
	*/
	function editStylePropertiesObject()
	{
		global $ilTabs, $tpl;
		
		$this->checkPermission("write");
		
		$this->initStylePropertiesForm();
		$tpl->setContent($this->form->getHTML());
		
		$ilTabs->activateTab("obj_sty");
	}
	
	/**
	* Init style properties form
	*/
	function initStylePropertiesForm()
	{
		global $ilCtrl, $lng, $ilTabs, $ilSetting, $tpl;
		
		$tpl->setTreeFlatIcon("", "");
		$ilTabs->clearTargets();
		$xpage_id = ilContainer::_lookupContainerSetting($this->object->getId(),
			"xhtml_page");
		if ($xpage_id > 0)
		{
			$ilTabs->setBackTarget($lng->txt("cntr_back_to_old_editor"),
				$ilCtrl->getLinkTarget($this, "switchToOldEditor"), "_top");
		}
		else
		{
			$ilTabs->setBackTarget($lng->txt("back"), "./goto.php?target=".$this->object->getType()."_".
				$this->object->getRefId(), "_top");
		}

		include_once("./Services/COPage/classes/class.ilPageObjectGUI.php");
		$page_gui =& new ilPageObjectGUI($this->object->getType(),
			$this->object->getId());
		$page_gui->setStyleId($this->object->getStyleSheetId());
		$page_gui->setTabHook($this, "addPageTabs");
//		$tpl->setTitleIcon(ilUtil::getImagePath("icon_pg_b.gif"));
//		$tpl->setTitle($this->lng->txt("page").": ".$this->obj->getTitle());
		$ilCtrl->getHTML($page_gui);
		$ilTabs->setTabActive("obj_sty");
		
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		$lng->loadLanguageModule("style");

		include_once("./Services/Form/classes/class.ilPropertyFormGUI.php");
		$this->form = new ilPropertyFormGUI();
		
		$fixed_style = $ilSetting->get("fixed_content_style_id");
		$style_id = $this->object->getStyleSheetId();

		if ($fixed_style > 0)
		{
			$st = new ilNonEditableValueGUI($lng->txt("wiki_current_style"));
			$st->setValue(ilObject::_lookupTitle($fixed_style)." (".
				$this->lng->txt("global_fixed").")");
			$this->form->addItem($st);
		}
		else
		{
			$st_styles = ilObjStyleSheet::_getStandardStyles(true, false,
				$_GET["ref_id"]);

			$st_styles[0] = $this->lng->txt("default");
			ksort($st_styles);

			if ($style_id > 0)
			{
				// individual style
				if (!ilObjStyleSheet::_lookupStandard($style_id))
				{
					$st = new ilNonEditableValueGUI($lng->txt("style_current_style"));
					$st->setValue(ilObject::_lookupTitle($style_id));
					$this->form->addItem($st);

//$this->ctrl->getLinkTargetByClass("ilObjStyleSheetGUI", "edit"));

					// delete command
					$this->form->addCommandButton("editStyle",
						$lng->txt("style_edit_style"));
					$this->form->addCommandButton("deleteStyle",
						$lng->txt("style_delete_style"));
//$this->ctrl->getLinkTargetByClass("ilObjStyleSheetGUI", "delete"));
				}
			}

			if ($style_id <= 0 || ilObjStyleSheet::_lookupStandard($style_id))
			{
				$style_sel = ilUtil::formSelect ($style_id, "style_id",
					$st_styles, false, true);
				$style_sel = new ilSelectInputGUI($lng->txt("style_current_style"), "style_id");
				$style_sel->setOptions($st_styles);
				$style_sel->setValue($style_id);
				$this->form->addItem($style_sel);
//$this->ctrl->getLinkTargetByClass("ilObjStyleSheetGUI", "create"));
				$this->form->addCommandButton("saveStyleSettings",
						$lng->txt("save"));
				$this->form->addCommandButton("createStyle",
					$lng->txt("sty_create_ind_style"));
			}
		}
		$this->form->setTitle($lng->txt("obj_sty"));
		$this->form->setFormAction($ilCtrl->getFormAction($this));
	}

	/**
	* Create Style
	*/
	function createStyleObject()
	{
		global $ilCtrl;

		$ilCtrl->redirectByClass("ilobjstylesheetgui", "create");
	}
	
	/**
	* Edit Style
	*/
	function editStyleObject()
	{
		global $ilCtrl;

		$ilCtrl->redirectByClass("ilobjstylesheetgui", "edit");
	}

	/**
	* Delete Style
	*/
	function deleteStyleObject()
	{
		global $ilCtrl;

		$ilCtrl->redirectByClass("ilobjstylesheetgui", "delete");
	}

	/**
	* Save style settings
	*/
	function saveStyleSettingsObject()
	{
		global $ilSetting;
	
		include_once("./Services/Style/classes/class.ilObjStyleSheet.php");
		if ($ilSetting->get("fixed_content_style_id") <= 0 &&
			(ilObjStyleSheet::_lookupStandard($this->object->getStyleSheetId())
			|| $this->object->getStyleSheetId() == 0))
		{
			$this->object->setStyleSheetId(ilUtil::stripSlashes($_POST["style_id"]));
			$this->object->update();
			ilUtil::sendSuccess($this->lng->txt("msg_obj_modified"), true);
		}
		$this->ctrl->redirect($this, "editStyleProperties");
	}

	/**
	* Get item list command drop down asynchronously
	*/
	function getAsynchItemListObject()
	{
		global $ilCtrl;
		
		$ref_id = $_GET["cmdrefid"];
		$obj_id = ilObject::_lookupObjId($ref_id);
		$type = ilObject::_lookupType($obj_id);
		
		// this should be done via container-object->getSubItem in the future
		$data = array("child" => $ref_id, "ref_id" => $ref_id, "obj_id" => $obj_id,
			"type" => $type);
		include_once 'Services/Object/classes/class.ilObjectListGUIFactory.php';
		$item_list_gui = ilObjectListGUIFactory::_getListGUIByType($type);
		$item_list_gui->setContainerObject($this);
		$this->modifyItemGUI($item_list_gui, $data, false);
		$html = $item_list_gui->getListItemHTML($ref_id,
			$obj_id, "", "", true, true);
		echo $html;
		exit;
	}
	
	/**
	 * Import
	 *
	 * @access	public
	 */
	public function importFileObject()
	{
		global $rbacsystem, $objDefinition, $tpl, $lng, $ilErr;

		$new_type = $_POST["new_type"] ? $_POST["new_type"] : $_GET["new_type"];

		// create permission is already checked in createObject. This check here is done to prevent hacking attempts
		if (!$rbacsystem->checkAccess("create", $_GET['ref_id'], $new_type))
		{
			$ilErr->raiseError($this->lng->txt('no_create_permission'),$ilErr->MESSAGE);
		}
		$this->ctrl->setParameter($this, "new_type", $new_type);
		$this->initImportForm($new_type);
		if ($this->form->checkInput())
		{
			include_once './Services/Export/classes/class.ilImportContainer.php';
			$imp = new ilImportContainer((int) $_GET['ref_id']);
			$new_id = $imp->importObject(null, $_FILES["importfile"]["tmp_name"],$_FILES["importfile"]["name"], $new_type);

			// put new object id into tree
			if ($new_id > 0)
			{
				return $new_id;
			}
			return false;
		}

		$this->form->setValuesByPost();
		$tpl->setContent($this->form->getHtml());
		return false;
	}
	
	/**
	 * Show webdav password instruction
	 * @return 
	 */
	protected function showPasswordInstructionObject($a_init = true)
	{
		global $tpl,$ilToolbar;
		
		if($a_init)
		{
			ilUtil::sendInfo($this->lng->txt('webdav_pwd_instruction'));
			$this->initFormPasswordInstruction();
		}
		
		include_once ('Services/WebDAV/classes/class.ilDAVServer.php');
		$davServer = ilDAVServer::getInstance();
		$ilToolbar->addButton(
			$this->lng->txt('mount_webfolder'),
			$davServer->getMountURI($this->object->getRefId()),
			'_blank',
			'',
			$davServer->getFolderURI($this->object->getRefId())
		);

		$tpl->setContent($this->form->getHTML());
	}
	
	/**
	 * Init password form
	 * @return 
	 */
	protected function initFormPasswordInstruction()
	{
		include_once("Services/Form/classes/class.ilPropertyFormGUI.php");
		$this->form = new ilPropertyFormGUI();
		$this->form->setFormAction($this->ctrl->getFormAction($this));
	
		// new password
		$ipass = new ilPasswordInputGUI($this->lng->txt("desired_password"), "new_password");
		$ipass->setRequired(true);

		$this->form->addItem($ipass);
		$this->form->addCommandButton("savePassword", $this->lng->txt("save"));
		$this->form->addCommandButton('cancel', $this->lng->txt('cancel'));
		
		$this->form->setTitle($this->lng->txt("chg_ilias_and_webfolder_password"));
		$this->form->setFormAction($this->ctrl->getFormAction($this));
		
		return $this->form;
	}
	
	/**
	 * Save password
	 * @return 
	 */
	protected function savePasswordObject()
	{
		global $ilUser;
		
		$form = $this->initFormPasswordInstruction();
		if($form->checkInput())
		{
			$ilUser->resetPassword($this->form->getInput('new_password'),$this->form->getInput('new_password'));
			ilUtil::sendSuccess($this->lng->txt('webdav_pwd_instruction_success'),true);
			$this->showPasswordInstructionObject(false);
			return true;
		}
		$form->setValuesByPost();
		$this->showPasswordInstructionObject();
	}
}
?>
