Class ilObjStudyProgrammeTreeGUI Generates the manage view for ilTrainingProgramme-Repository objects. More...

Collaboration diagram for ilObjStudyProgrammeTreeGUI:

Public Member Functions
	__construct (protected ilGlobalTemplateInterface $tpl, protected ilCtrl $ctrl, protected ilAccess $access, protected ilToolbarGUI $toolbar, protected ilLanguage $lng, protected ilComponentLogger $log, protected ILIAS $ilias, protected ilSetting $ilSetting, protected ilTree $ilTree, protected ilRbacAdmin $rbacadmin, protected ILIAS\HTTP\Wrapper\WrapperFactory $http_wrapper, protected ILIAS\Refinery\Factory $refinery, protected ILIAS\UI\Factory $ui_factory)

	setRefId (int $ref_id)

	executeCommand ()
	Execute GUI-commands If there is a async request the response is sent as a json string. More...

Protected Member Functions
	initTree ()
	Initialize Tree Creates tree instance and set tree configuration. More...

	view ()
	Display the tree view. More...

	cancel ()
	Cancel operation. More...

	saveTreeOrder ()
	Saves tree node order Data is json encoded from the jstree component. More...

	createNewLeaf ()
	Creates a new leaf Currently only course references can be created. More...

	getContainerSelectionExplorer (bool $convert_to_string=true)
	Initialize the Course Explorer for creating a leaf. More...

	getCreationForm ()
	Returns the async creation form for StudyProgrammes. More...

	create ()
	Generates the modal window content for the creation form of nodes or leafs If there are already StudyProgramme-nodes in the parent, leaf creation is disabled and if there are already leafs, nodes can't be created. More...

	delete ()
	Show to delete confirmation dialog for objects in the tree. More...

	confirmedDelete ()
	Deletes a node or a leaf in the tree. More...

	cancelDelete ()
	Cancel deletion Return a json string for the async handling. More...

	initAsyncUIElements ()
	Initializes all elements used for async-interaction Adds HTML-skeleton for the bootstrap modal dialog, the notification mechanism and the Selection container. More...

	getToolbar ()
	Setup the toolbar. More...

	checkAccess (string $permission, int $ref_id=null)
	Checks permission of current tree or certain child of it. More...

	checkAccessOrFail (string $permission, int $ref_id=null)
	Checks permission of a object and throws an exception if they are not granted. More...

Protected Attributes
string	$modal_id
	CSS-ID of the modal windows. More...

ilAsyncOutputHandler	$async_output_handler

int	$ref_id
	Ref-ID of the object. More...

ilObjStudyProgrammeTreeExplorerGUI	$tree

ilObjStudyProgramme	$object

Detailed Description

Class ilObjStudyProgrammeTreeGUI Generates the manage view for ilTrainingProgramme-Repository objects.

Handles all the async requests.

Author: Michael Herren mh@st.nosp@m.uder.nosp@m.-raim.nosp@m.ann..nosp@m.ch

Version: 1.0.0

Definition at line 28 of file class.ilObjStudyProgrammeTreeGUI.php.

Constructor & Destructor Documentation

◆ __construct()

ilObjStudyProgrammeTreeGUI::__construct	(	protected ilGlobalTemplateInterface	$tpl,
		protected ilCtrl	$ctrl,
		protected ilAccess	$access,
		protected ilToolbarGUI	$toolbar,
		protected ilLanguage	$lng,
		protected ilComponentLogger	$log,
		protected ILIAS	$ilias,
		protected ilSetting	$ilSetting,
		protected ilTree	$ilTree,
		protected ilRbacAdmin	$rbacadmin,
		protected ILIAS\HTTP\Wrapper\WrapperFactory	$http_wrapper,
		protected ILIAS\Refinery\Factory	$refinery,
		protected ILIAS\UI\Factory	$ui_factory
	)

Definition at line 43 of file class.ilObjStudyProgrammeTreeGUI.php.

References ILIAS\Repository\lng().

       {
         $this->modal_id = "tree_modal";
         $this->async_output_handler = new ilAsyncOutputHandler();
         $this->lng->loadLanguageModule("prg");
     }

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Member Function Documentation

◆ cancel()

ilObjStudyProgrammeTreeGUI::cancel ( )

protected

Cancel operation.

Definition at line 140 of file class.ilObjStudyProgrammeTreeGUI.php.

References ilAsyncOutputHandler\encodeAsyncResponse().

                                : string
     {
         return ilAsyncOutputHandler::encodeAsyncResponse();
     }

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◆ cancelDelete()

ilObjStudyProgrammeTreeGUI::cancelDelete ( )

protected

Cancel deletion Return a json string for the async handling.

Definition at line 498 of file class.ilObjStudyProgrammeTreeGUI.php.

References ilAsyncOutputHandler\encodeAsyncResponse().

                                      : string
     {
         return ilAsyncOutputHandler::encodeAsyncResponse();
     }

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◆ checkAccess()

ilObjStudyProgrammeTreeGUI::checkAccess	(	string	$permission,
		int	$ref_id = `null`
	)

protected

Checks permission of current tree or certain child of it.

Definition at line 555 of file class.ilObjStudyProgrammeTreeGUI.php.

References $ref_id, and ILIAS\Repository\access().

Referenced by checkAccessOrFail(), and confirmedDelete().

                                                                           : bool
     {
         if (is_null($ref_id)) {
             $ref_id = $this->ref_id;
         }
         return $this->access->checkAccess($permission, '', $ref_id);
     }

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◆ checkAccessOrFail()

ilObjStudyProgrammeTreeGUI::checkAccessOrFail	(	string	$permission,
		int	$ref_id = `null`
	)

protected

Checks permission of a object and throws an exception if they are not granted.

Exceptions

ilException

Definition at line 568 of file class.ilObjStudyProgrammeTreeGUI.php.

References checkAccess().

Referenced by confirmedDelete(), create(), createNewLeaf(), delete(), and saveTreeOrder().

                                                                                 : void
     {
         if (!$this->checkAccess($permission, $ref_id)) {
             throw new ilException("You have no permission for " . $permission . " Object with ref_id " . $ref_id . "!");
         }
     }

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◆ confirmedDelete()

ilObjStudyProgrammeTreeGUI::confirmedDelete ( )

protected

Deletes a node or a leaf in the tree.

Exceptions

ilException

Definition at line 426 of file class.ilObjStudyProgrammeTreeGUI.php.

References $id, checkAccess(), checkAccessOrFail(), ilRepUtil\deleteObjects(), ilAsyncOutputHandler\encodeAsyncResponse(), ilObjStudyProgramme\getAllChildren(), ILIAS\Repository\lng(), ILIAS\Repository\refinery(), and ilObjectFactoryWrapper\singleton().

                                         : string
     {
         $this->checkAccessOrFail("delete");
 
         if (
             (!$this->http_wrapper->post()->has("id") || !$this->http_wrapper->post()->has("item_ref_id")) &&
             is_array($this->http_wrapper->post()->retrieve(
                 "id[]",
                 $this->refinery->kindlyTo()->listOf($this->refinery->kindlyTo()->int())
             ))
         ) {
             throw new ilException("No item select for deletion!");
         }
 
         $ids = $this->http_wrapper->post()->retrieve(
             "id",
             $this->refinery->kindlyTo()->listOf($this->refinery->kindlyTo()->int())
         );
         $current_node = $this->http_wrapper->post()->retrieve("item_ref_id", $this->refinery->kindlyTo()->int());
         $result = true;
         $msg = '';
 
         foreach ($ids as $id) {
             $obj = ilObjectFactoryWrapper::singleton()->getInstanceByRefId($id);
 
             $not_parent_of_current = true;
             $not_root = true;
 
             // do some additional validation if it is a StudyProgramme
             if ($obj instanceof ilObjStudyProgramme) {
                 //check if you are not deleting a parent element of the current element
                 $children_of_node = ilObjStudyProgramme::getAllChildren($obj->getRefId());
                 $get_ref_ids = static function (ilObjStudyProgramme $obj): int {
                     return $obj->getRefId();
                 };
 
                 $children_ref_ids = array_map($get_ref_ids, $children_of_node);
                 $not_parent_of_current = (!in_array($current_node, $children_ref_ids));
 
                 $not_root = ($obj->getRoot() != null);// TODO PHP8-REVIEW This is always true
             }
 
             if (
                 $current_node != $id &&
                 $not_root &&
                 $not_parent_of_current &&
                 $this->checkAccess('delete', $obj->getRefId())
             ) {
                 ilRepUtil::deleteObjects(0, [$id]);
 
                 // deletes the tree-open-node-session storage
                 if (isset($children_of_node)) {
                     $this->tree->closeCertainNode($id);
                     foreach ($children_of_node as $child) {
                         $this->tree->closeCertainNode($child->getRefId());
                     }
                 }
 
                 $msg = $this->lng->txt("prg_deleted_safely");
             } else {
                 $msg = $this->lng->txt("prg_not_allowed_node_to_delete");
                 $result = false;
             }
         }
 
         return ilAsyncOutputHandler::encodeAsyncResponse(array('success' => $result, 'message' => $msg));
     }

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◆ create()

ilObjStudyProgrammeTreeGUI::create ( )

protected

Generates the modal window content for the creation form of nodes or leafs If there are already StudyProgramme-nodes in the parent, leaf creation is disabled and if there are already leafs, nodes can't be created.

Exceptions

ilException

Definition at line 322 of file class.ilObjStudyProgrammeTreeGUI.php.

References checkAccessOrFail(), ilAccordionGUI\FIRST_OPEN, getContainerSelectionExplorer(), getCreationForm(), ilUtil\getSystemMessageHTML(), ILIAS\Repository\lng(), ILIAS\Repository\refinery(), and ilObjectFactoryWrapper\singleton().

                                : void
     {
         $parent_id = null;
         if ($this->http_wrapper->query()->has("ref_id")) {
             $parent_id = $this->http_wrapper->query()->retrieve("ref_id", $this->refinery->kindlyTo()->int());
         }
         $this->checkAccessOrFail('create', $parent_id);
 
         $parent = ilObjectFactoryWrapper::singleton()->getInstanceByRefId($parent_id);// TODO PHP8-REVIEW `$parent_id` is NULL, an `int` is expected
         $accordion = new ilAccordionGUI();
 
         $added_slides = 0;
         $content = "";
         if ($parent instanceof ilObjStudyProgramme) {
             // only allow adding new StudyProgramme-Node if there are no lp-children
             if (!$parent->hasLPChildren()) {
                 $content_new_node = $this->getCreationForm()->getHTML();
                 $accordion->addItem($this->lng->txt('prg_create_new_node'), $content_new_node);
                 $added_slides++;
             }
 
             /* only allow adding new LP-Children if there are no other StudyProgrammes
              * AND creating crs references is activated in administration
              */
             if (!$parent->hasChildren() && $this->ilSetting->get("obj_dis_creation_crsr") === "") {
                 $content_new_leaf = ilUtil::getSystemMessageHTML(
                     $this->lng->txt('prg_please_select_a_course_for_creating_a_leaf')
                 );
                 $content_new_leaf .= $this->getContainerSelectionExplorer();
 
                 $accordion->addItem($this->lng->txt('prg_create_new_leaf'), $content_new_leaf);
                 $added_slides++;
             }
 
             if ($added_slides === 1) {
                 $accordion->setBehaviour(ilAccordionGUI::FIRST_OPEN);
             }
 
             $content = $accordion->getHTML(true);
         }
 
         // creating modal window output
         $this->async_output_handler->setHeading($this->lng->txt("prg_async_" . $this->ctrl->getCmd()));
         $this->async_output_handler->setContent($content);
         $this->async_output_handler->terminate();
     }

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◆ createNewLeaf()

ilObjStudyProgrammeTreeGUI::createNewLeaf ( )

protected

Creates a new leaf Currently only course references can be created.

Exceptions

ilException

Definition at line 232 of file class.ilObjStudyProgrammeTreeGUI.php.

References ilObject\_lookupObjectId(), checkAccessOrFail(), ilAsyncOutputHandler\encodeAsyncResponse(), ILIAS\Repository\lng(), ILIAS\Repository\refinery(), and ilContainerReference\TITLE_TYPE_REUSE.

                                       : string
     {
         $this->checkAccessOrFail('create', $this->http_wrapper->post()->retrieve("parent_id", $this->refinery->kindlyTo()->int()));
 
         if (
             $this->http_wrapper->post()->has("target_id") &&
             $this->http_wrapper->post()->has("type") &&
             $this->http_wrapper->post()->has("parent_id")
         ) {
             $target_id = $this->http_wrapper->post()->retrieve("target_id", $this->refinery->kindlyTo()->int());
             $parent_id = $this->http_wrapper->post()->retrieve("parent_id", $this->refinery->kindlyTo()->int());
 
             // TODO: more generic way for implementing different type of leafs
             $course_ref = new ilObjCourseReference();
             $course_ref->setTitleType(ilContainerReference::TITLE_TYPE_REUSE);
             $course_ref->setTargetRefId($target_id);
 
             $course_ref->create();
             $course_ref->createReference();
 
             $course_ref->putInTree($parent_id);
 
             // This is how it's done in ILIAS. If you set the target ID before the creation, it won't work
             $course_ref->setTargetId(ilObject::_lookupObjectId($target_id));
             $course_ref->update();
         }
 
         return ilAsyncOutputHandler::encodeAsyncResponse(
             ['success' => true, 'message' => $this->lng->txt('prg_added_course_ref_successful')]
         );
     }

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◆ delete()

ilObjStudyProgrammeTreeGUI::delete ( )

protected

Show to delete confirmation dialog for objects in the tree.

Exceptions

ilException

Definition at line 374 of file class.ilObjStudyProgrammeTreeGUI.php.

References ilObject\_getIcon(), ilObject\_lookupObjectId(), ilObject\_lookupType(), checkAccessOrFail(), ILIAS\Repository\ctrl(), ilObjectFactory\getClassByType(), ILIAS\Repository\lng(), and ILIAS\Repository\refinery().

                                : void
     {
         $this->checkAccessOrFail("delete");
 
         if (!$this->http_wrapper->query()->has("ref_id") || !$this->http_wrapper->query()->has("item_ref_id")) {
             throw new ilException("Nothing to delete!");
         }
 
         $element_ref_id = $this->http_wrapper->query()->retrieve("ref_id", $this->refinery->kindlyTo()->int());
 
         $cgui = new ilConfirmationGUI();
 
         $msg = $this->lng->txt("info_delete_sure");
         if (!$this->ilSetting->get('enable_trash')) {
             $msg .= "<br/>" . $this->lng->txt("info_delete_warning_no_trash");
         }
         $cgui->setHeaderText($msg);
         $cgui->setFormAction($this->ctrl->getFormAction($this, 'confirmedDelete', '', true));
         $cgui->setCancel($this->lng->txt("cancel"), "cancelDelete");
         $cgui->setConfirm($this->lng->txt("confirm"), "confirmedDelete");
         $cgui->setFormName('async_form');
 
         $obj_id = ilObject::_lookupObjectId((int) $element_ref_id);
         $type = ilObject::_lookupType($obj_id);
         $title = call_user_func(array(ilObjectFactory::getClassByType($type),'_lookupTitle'), $obj_id);
         $alt = $this->lng->txt("icon") . " " . $this->lng->txt("obj_" . $type);
 
         $cgui->addItem(
             "id[]",
             (string)$element_ref_id,
             $title,
             ilObject::_getIcon($obj_id, "small", $type),
             $alt
         );
         $cgui->addHiddenItem(
             'item_ref_id',
             $this->http_wrapper->query()->retrieve("item_ref_id", $this->refinery->kindlyTo()->string())
         );
 
         $content = $cgui->getHTML();
 
         // creating the modal window output
         $this->async_output_handler->setHeading($msg);
         $this->async_output_handler->setContent($content);
         $this->async_output_handler->terminate();
     }

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◆ executeCommand()

ilObjStudyProgrammeTreeGUI::executeCommand ( )

Execute GUI-commands If there is a async request the response is sent as a json string.

Exceptions

ilException

Definition at line 88 of file class.ilObjStudyProgrammeTreeGUI.php.

References ILIAS\Repository\ctrl(), exit, getToolbar(), ilAsyncOutputHandler\handleAsyncOutput(), and initTree().

                                     : void
     {
         $this->initTree();
         $cmd = $this->ctrl->getCmd();
 
         $this->getToolbar();
 
         if ($cmd === "" || $cmd === null) {
             $cmd = "view";
         }
 
         // handles tree commands ("openNode", "closeNode", "getNodeAsync")
         if ($this->tree->handleCommand()) {
             exit();
         }
 
         switch ($cmd) {
             case "view":
             case "create":
             case "save":
             case "cancel":
             case "delete":
             case "confirmedDelete":
             case "cancelDelete":
             case "getContainerSelectionExplorer":
             case "saveTreeOrder":
             case "createNewLeaf":
 
                 $content = $this->$cmd();
                 break;
             default:
                 throw new ilException("ilObjStudyProgrammeTreeGUI: " .
                     "Command not supported: $cmd");
         }
 
         ilAsyncOutputHandler::handleAsyncOutput($content);
     }

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◆ getContainerSelectionExplorer()

ilObjStudyProgrammeTreeGUI::getContainerSelectionExplorer ( bool $convert_to_string = true )

protected

Initialize the Course Explorer for creating a leaf.

Parameters

bool $convert_to_string If set to true, the getOutput function is already called

Returns: ilAsyncContainerSelectionExplorer|string

Definition at line 271 of file class.ilObjStudyProgrammeTreeGUI.php.

References ILIAS\Repository\ctrl(), ILIAS\Repository\refinery(), ROOT_FOLDER_ID, and ilExplorer\setId().

Referenced by create().

     {
         $create_leaf_form = new ilAsyncContainerSelectionExplorer(
             rawurldecode($this->ctrl->getLinkTarget($this, 'createNewLeaf', '', true)),
             $this->refinery,
             $this->http_wrapper->query()
         );
         $create_leaf_form->setId("select_course_explorer");
 
         $ref_expand = ROOT_FOLDER_ID;
         if ($this->http_wrapper->query()->has("ref_repexpand")) {
             $ref_expand = $this->http_wrapper->query()->retrieve("ref_repexpand", $this->refinery->kindlyTo()->int());
         }
 
         $create_leaf_form->setExpand($ref_expand);
         $create_leaf_form->setExpandTarget($this->ctrl->getLinkTarget($this, 'getContainerSelectionExplorer'));
         $create_leaf_form->setAsynchExpanding(true);
         $create_leaf_form->setTargetGet('target_id');
         $create_leaf_form->setFrameTarget("_self");
         $create_leaf_form->setClickable('crs', true);
         $create_leaf_form->setTargetType('crs');
         $create_leaf_form->setOutput(0);
 
         if ($convert_to_string) {
             return $create_leaf_form->getOutput();
         }
 
         return $create_leaf_form;
     }

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◆ getCreationForm()

ilObjStudyProgrammeTreeGUI::getCreationForm ( )

protected

Returns the async creation form for StudyProgrammes.

Definition at line 304 of file class.ilObjStudyProgrammeTreeGUI.php.

References ILIAS\Repository\ctrl().

Referenced by create().

                                         : ilAsyncPropertyFormGUI
     {
         $tmp_obj = new ilObjStudyProgrammeGUI();
 
         $create_node_form = $tmp_obj->getAsyncCreationForm();
         $create_node_form->setTitle("");
         $this->ctrl->setParameterByClass("ilobjstudyprogrammegui", "new_type", "prg");
         $create_node_form->setFormAction($this->ctrl->getFormActionByClass("ilobjstudyprogrammegui", "save"));
 
         return $create_node_form;
     }

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◆ getToolbar()

ilObjStudyProgrammeTreeGUI::getToolbar ( )

protected

Setup the toolbar.

Definition at line 541 of file class.ilObjStudyProgrammeTreeGUI.php.

References $id, ILIAS\Repository\lng(), ILIAS\Repository\toolbar(), and ILIAS\UI\Implementation\Component\withOnLoadCode().

Referenced by executeCommand().

                                    : void
     {
         $save_order_btn = $this->ui_factory->button()->standard($this->lng->txt('prg_save_tree_order'), '')
            ->withOnLoadCode(fn ($id) => "$(\"#$id\").click( () => $('body').trigger('study_programme-save_order'));");
         $cancel_order_btn = $this->ui_factory->button()->standard($this->lng->txt('prg_cancel_tree_order'), '')
            ->withOnLoadCode(fn ($id) => "$(\"#$id\").click( () => $('body').trigger('study_programme-cancel_order'));");
 
         $this->toolbar->addComponent($save_order_btn);
         $this->toolbar->addComponent($cancel_order_btn);
     }

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◆ initAsyncUIElements()

ilObjStudyProgrammeTreeGUI::initAsyncUIElements ( )

protected

Initializes all elements used for async-interaction Adds HTML-skeleton for the bootstrap modal dialog, the notification mechanism and the Selection container.

Definition at line 507 of file class.ilObjStudyProgrammeTreeGUI.php.

References ilAsyncContainerSelectionExplorer\addJavascript(), ilAsyncPropertyFormGUI\addJavaScript(), ilAccordionGUI\addJavaScript(), ILIAS\Repository\ctrl(), ilModalGUI\getInstance(), ilAsyncContainerSelectionExplorer\initJs(), ILIAS\Repository\refinery(), and ilModalGUI\TYPE_LARGE.

Referenced by view().

                                             : string
     {
         // add  js files
         ilAccordionGUI::addJavaScript();
         ilAsyncPropertyFormGUI::addJavaScript(true);
         ilAsyncContainerSelectionExplorer::addJavascript();
 
         // add bootstrap modal
         $settings_modal = ilModalGUI::getInstance();
         $settings_modal->setId($this->modal_id);
         $settings_modal->setType(ilModalGUI::TYPE_LARGE);
         $this->tpl->addOnLoadCode('$("#' . $this->modal_id . '").study_programme_modal();');
 
         $content = $settings_modal->getHTML();
 
         // init js notifications
         $notifications = new ilAsyncNotifications();
         $notifications->addJsConfig('events', array('success' => array('study_programme-show_success')));
         $notifications->initJs();
 
         // init tree selection explorer
         $async_explorer = new ilAsyncContainerSelectionExplorer(
             rawurldecode($this->ctrl->getLinkTarget($this, 'createNewLeaf', '', true)),
             $this->refinery,
             $this->http_wrapper->query()
         );
         $async_explorer->initJs();
 
         return $content;
     }

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◆ initTree()

ilObjStudyProgrammeTreeGUI::initTree ( )

protected

Initialize Tree Creates tree instance and set tree configuration.

Definition at line 72 of file class.ilObjStudyProgrammeTreeGUI.php.

References ILIAS\Repository\ctrl().

Referenced by executeCommand().

                                  : void
     {
         $this->tree = new ilObjStudyProgrammeTreeExplorerGUI($this->ref_id, $this->modal_id, "prg_tree", $this, 'view');
 
         $js_url = rawurldecode($this->ctrl->getLinkTarget($this, 'saveTreeOrder', '', true));
         $this->tree->addJsConf('save_tree_url', $js_url);
         $this->tree->addJsConf('save_button_id', 'save_order_button');
         $this->tree->addJsConf('cancel_button_id', 'cancel_order_button');
     }

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◆ saveTreeOrder()

ilObjStudyProgrammeTreeGUI::saveTreeOrder ( )

protected

Saves tree node order Data is json encoded from the jstree component.

Exceptions

ilException

Definition at line 151 of file class.ilObjStudyProgrammeTreeGUI.php.

References $id, $ref_id, ilContainerSorting\_getInstance(), ilObject\_lookupObjectId(), checkAccessOrFail(), ilAsyncOutputHandler\encodeAsyncResponse(), ILIAS\Repository\lng(), ILIAS\Repository\refinery(), ilObjectFactoryWrapper\singleton(), and ilUtil\stripSlashes().

                                       : string
     {
         $this->checkAccessOrFail('write');
 
         $tree = "";
         if ($this->http_wrapper->post()->has("tree")) {
             $tree = $this->http_wrapper->post()->retrieve("tree", $this->refinery->kindlyTo()->string());
         }
         $treeAsJson = ilUtil::stripSlashes($tree);
         $treeData = json_decode($treeAsJson, false, 512, JSON_THROW_ON_ERROR);
 
         if (!is_array($treeData) || [] === $treeData) {
             throw new ilStudyProgrammeTreeException("There is no tree data to save!");
         }
 
         // saves order recursive
         $this->storeTreeOrder($treeData);
 
         return ilAsyncOutputHandler::encodeAsyncResponse(
             ['success' => true, 'message' => $this->lng->txt('prg_saved_order_successful')]
         );
     }

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◆ setRefId()

ilObjStudyProgrammeTreeGUI::setRefId ( int $ref_id )

Definition at line 63 of file class.ilObjStudyProgrammeTreeGUI.php.

References $ref_id.

                                          : void
     {
         $this->ref_id = $ref_id;
     }

◆ view()

ilObjStudyProgrammeTreeGUI::view ( )

protected

Display the tree view.

Definition at line 129 of file class.ilObjStudyProgrammeTreeGUI.php.

References initAsyncUIElements().

                              : string
     {
         $output = $this->tree->getHTML();
         $output .= $this->initAsyncUIElements();
 
         return $output;
     }