Inheritance diagram for ilPCQuestion:

Collaboration diagram for ilPCQuestion:

Public Member Functions
	init ()
	Init page content component. More...

	setNode (&$a_node)
	Set node. More...

	setQuestionReference ($a_questionreference)
	Set Question Reference. More...

	getQuestionReference ()
	Get Question Reference. More...

	create (&$a_pg_obj, $a_hier_id)
	Create Question Element. More...

	copyPoolQuestionIntoPage ($a_q_id, $a_hier_id)
	Copy question from pool into page. More...

	_getPageForQuestionId ($a_q_id, $a_parent_type="")
	Get page for question id. More...

	modifyPageContentPostXsl ($a_output, $a_mode)
	Modify page content after xsl. More...

	getJavascriptFiles ($a_mode)
	Get Javascript files. More...

	getCssFiles ($a_mode)
	Get css files. More...

	getOnloadCode ($a_mode)
	Get on load code. More...

	getQuestionJsOfPage ($a_no_interaction, $a_mode)
	Get question js. More...

Public Member Functions inherited from ilPageContent
	__construct ($a_pg_obj)
	Constructor. More...

	setPage ($a_val)
	Set page. More...

	getPage ()
	Get page. More...

	init ()
	Init object. More...

	getType ()
	Get type of page content. More...

	setNode (&$a_node)
	Set xml node of page content. More...

&	getNode ()
	Get xml node of page content. More...

	getJavascriptFiles ()
	Get Javascript files. More...

	getCssFiles ()
	Get css files. More...

	getOnloadCode ()
	Get on load code. More...

	setHierId ($a_hier_id)
	Set hierarchical ID in xml structure. More...

	getHierId ()
	Get hierarchical id. More...

	lookupHierId ()
	Get hierarchical id from dom. More...

	readHierId ()
	Read PC Id. More...

	setPcId ($a_pcid)
	Set PC Id. More...

	getPCId ()
	Get PC Id. More...

	readPCId ()
	Read PC Id. More...

	writePCId ($a_pc_id)
	Write pc id. More...

	isGreaterHierId ($a, $b)
	Check whether Hier ID $a is greater than Hier ID $b. More...

	setEnabled ($value)
	Set Enabled value for page content component. More...

	enable ()
	Enable page content. More...

	disable ()
	Disable page content. More...

	isEnabled ()
	Check whether page content is enabled. More...

	createPageContentNode ($a_set_this_node=true)
	Create page content node (always use this method first when adding a new element) More...

	modifyPageContentPostXsl ($a_output, $a_mode)
	Modify page content after xsl. More...

Static Public Member Functions
static	getLangVars ()
	Get lang vars needed for editing. More...

static	afterPageUpdate ($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
	After page has been updated (or created) More...

static	beforePageDelete ($a_page)
	Before page is being deleted. More...

static	_getQuestionIdsForPage ($a_parent_type, $a_page_id, $a_lang="-")
	Get all questions of a page. More...

static	resetInitialState ()
	Reset initial state (for exports) More...

static	getJSTextInitCode ($a_lang)
	Get js txt init code. More...

Static Public Member Functions inherited from ilPageContent
static	incEdId ($ed_id)
	Increases an hierarchical editing id at lowest level (last number) More...

static	decEdId ($ed_id)
	Decreases an hierarchical editing id at lowest level (last number) More...

static	haveSameContainer ($ed_id1, $ed_id2)
	Check, if two ids are in same container. More...

static	sortHierIds ($a_array)
	Sort an array of Hier IDS in ascending order. More...

static	getLangVars ()
	Get lang vars needed for editing. More...

static	handleCopiedContent (DOMDocument $a_domdoc, $a_self_ass=true, $a_clone_mobs=false)
	Handle copied content. More...

static	afterPageUpdate ($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
	After page has been updated (or created) More...

static	beforePageDelete ($a_page)
	Before page is being deleted. More...

static	afterPageHistoryEntry ($a_page, DOMDocument $a_old_domdoc, $a_old_xml, $a_old_nr)
	After page history entry has been created. More...

Data Fields
	$dom

	$q_node

Data Fields inherited from ilPageContent
	$hier_id

	$node

	$dom

Static Protected Attributes
static	$initial_done

Additional Inherited Members
Protected Member Functions inherited from ilPageContent
	setType ($a_type)
	Set Type. More...

Detailed Description

Class ilPCQuestion.

Assessment Question of ilPageObject

Author: Alex Killing alex..nosp@m.kill.nosp@m.ing@g.nosp@m.mx.d.nosp@m.e

Version: $Id$

Definition at line 18 of file class.ilPCQuestion.php.

Member Function Documentation

◆ _getPageForQuestionId()

ilPCQuestion::_getPageForQuestionId	(	$a_q_id,
		$a_parent_type = `""`
	)

Get page for question id.

Parameters

Definition at line 245 of file class.ilPCQuestion.php.

References $ilDB.

Referenced by ilObjMediaObject\getParentObjectIdForUsage().

         {
                 global $ilDB;
 
                 $set = $ilDB->query("SELECT * FROM page_question ".
                         " WHERE question_id = ".$ilDB->quote($a_q_id, "integer")
                         );
                 while ($rec = $ilDB->fetchAssoc($set))
                 {
                         if ($a_parent_type == "" || $rec["page_parent_type"] == $a_parent_type)
                         {
                                 return array("page_id" => $rec["page_id"], "parent_type" => $rec["page_parent_type"]);
                         }
                 }
                 return false;
         }

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◆ _getQuestionIdsForPage()

static ilPCQuestion::_getQuestionIdsForPage	(	$a_parent_type,
		$a_page_id,
		$a_lang = `"-"`
	)

static

Get all questions of a page.

Definition at line 222 of file class.ilPCQuestion.php.

References $ilDB, and $res.

Referenced by ilSCORM2004Asset\exportHTMLPageObjects(), ilObjContentObject\exportHTMLPages(), ilSCORM2004Asset\exportPDFPrepareXmlNFiles(), ilSCORM2004Asset\exportXMLPageObjects(), ilObjectivesAlignmentTableGUI\fillRow(), ilLMPageObject\getQuestionIds(), ilLearningModuleExporter\getXmlRepresentation(), and ilSCORM2004ScoGUI\sahs_questions().

         {
                 global $ilDB;
 
                 $res = $ilDB->queryF("SELECT * FROM page_question WHERE page_parent_type = %s ".
                         " AND page_id = %s AND page_lang = %s",
                         array("text", "integer", "text"),
                         array($a_parent_type, $a_page_id, $a_lang));
                 $q_ids = array();
                 while ($rec = $ilDB->fetchAssoc($res))
                 {
                         $q_ids[] = $rec["question_id"];
                 }
 
                 return $q_ids;
         }

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◆ afterPageUpdate()

static ilPCQuestion::afterPageUpdate	(		$a_page,
		DOMDocument	$a_domdoc,
			$a_xml,
			$a_creation
	)

static

After page has been updated (or created)

Parameters

	object	page object
DOMDocument	$a_domdoc	dom document
	string	xml
	bool	true on creation, otherwise false

Definition at line 168 of file class.ilPCQuestion.php.

References $ilDB, ilPageContent\$node, ilInternalLink\_extractInstOfTarget(), and ilInternalLink\_extractObjIdOfTarget().

         {
                 global $ilDB;
                 
                 include_once("./Services/Link/classes/class.ilInternalLink.php");
                 
                 $ilDB->manipulateF("DELETE FROM page_question WHERE page_parent_type = %s ".
                         " AND page_id = %s AND page_lang = %s", array("text", "integer", "text"),
                         array($a_page->getParentType(), $a_page->getId(), $a_page->getLanguage()));
 
                 $xpath = new DOMXPath($a_domdoc);
                 $nodes = $xpath->query('//Question');   
                 $q_ids = array();
                 foreach ($nodes as $node)
                 {
                         $q_ref = $node->getAttribute("QRef");
 
                         $inst_id = ilInternalLink::_extractInstOfTarget($q_ref);
                         if (!($inst_id > 0))
                         {
                                 $q_id = ilInternalLink::_extractObjIdOfTarget($q_ref);
                                 if ($q_id > 0)
                                 {
                                         $q_ids[$q_id] = $q_id;
                                 }
                         }
                 }
                 foreach($q_ids as $qid)
                 {
                         $ilDB->manipulateF("INSERT INTO page_question (page_parent_type, page_id, page_lang, question_id)".
                                 " VALUES (%s,%s,%s,%s)",
                                 array("text", "integer", "text", "integer"),
                                 array($a_page->getParentType(), $a_page->getId(), $a_page->getLanguage(), $qid));
                 }
 
         }

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◆ beforePageDelete()

static ilPCQuestion::beforePageDelete ( $a_page )

static

Before page is being deleted.

Parameters

object page object

Definition at line 210 of file class.ilPCQuestion.php.

References $ilDB.

         {
                 global $ilDB;
                 
                 $ilDB->manipulateF("DELETE FROM page_question WHERE page_parent_type = %s ".
                         " AND page_id = %s AND page_lang = %s", array("text", "integer", "text"),
                         array($a_page->getParentType(), $a_page->getId(), $a_page->getLanguage()));
         }

◆ copyPoolQuestionIntoPage()

ilPCQuestion::copyPoolQuestionIntoPage	(	$a_q_id,
		$a_hier_id
	)

Copy question from pool into page.

Parameters

Definition at line 87 of file class.ilPCQuestion.php.

References assQuestion\_instanciateQuestion(), and ilAssSelfAssessmentQuestionFormatter\prepareQuestionForLearningModule().

         {
                 include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
                 include_once "./Modules/TestQuestionPool/classes/class.assQuestionGUI.php";
                 $question = assQuestion::_instanciateQuestion($a_q_id);
                 $duplicate_id = $question->copyObject(0, $question->getTitle());
                 $duplicate = assQuestion::_instanciateQuestion($duplicate_id);
                 $duplicate->setObjId(0);
                 
                 /* PATCH-BEGIN: moved cleanup code to central place ilAssSelfAssessmentQuestionFormatter */
                 /*
                 // we remove everything not supported by the non-tiny self
                 // assessment question editor
                 $q = $duplicate->getQuestion();
 
                 // we try to save all latex tags
                 $try = true;
                 $ls = '<span class="latex">';
                 $le = '</span>';
                 while ($try)
                 {
                         // search position of start tag
                         $pos1 = strpos($q, $ls);
                         if (is_int($pos1))
                         {
                                 $pos2 = strpos($q, $le, $pos1);
                                 if (is_int($pos2))
                                 {
                                         // both found: replace end tag
                                         $q = substr($q, 0, $pos2)."[/tex]".substr($q, $pos2+7);
                                         $q = substr($q, 0, $pos1)."[tex]".substr($q, $pos1+20);
                                 }
                                 else
                                 {
                                         $try = false;
                                 }
                         }
                         else
                         {
                                 $try = false;
                         }
                 }
                 
                 $tags = assQuestionGUI::getSelfAssessmentTags();
                 $tstr = "";
                 foreach ($tags as $t)
                 {
                         $tstr.="<".$t.">";
                 }
                 $q = ilUtil::secureString($q, true, $tstr);
                 // self assessment uses nl2br, not p
                 $duplicate->setQuestion($q);
                 
                 $duplicate->saveQuestionDataToDb();
                 */
 
                 require_once 'Modules/TestQuestionPool/classes/questions/class.ilAssSelfAssessmentQuestionFormatter.php';
                 ilAssSelfAssessmentQuestionFormatter::prepareQuestionForLearningModule($duplicate);
                 
                 /* PATCH-END: moved cleanup code to central place ilAssSelfAssessmentQuestionFormatter */
                 
                 $this->q_node->set_attribute("QRef", "il__qst_".$duplicate_id);
         }

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◆ create()

ilPCQuestion::create	(	&	$a_pg_obj,
			$a_hier_id
	)

Create Question Element.

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

References ilPageContent\createPageContentNode(), and IL_INSERT_AFTER.

         {
                 $this->createPageContentNode();
                 $a_pg_obj->insertContent($this, $a_hier_id, IL_INSERT_AFTER);
                 $this->q_node = $this->dom->create_element("Question");
                 $this->q_node = $this->node->append_child($this->q_node);
                 $this->q_node->set_attribute("QRef", "");
         }

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◆ getCssFiles()

ilPCQuestion::getCssFiles ( $a_mode )

Get css files.

Definition at line 354 of file class.ilPCQuestion.php.

References ilPageContent\getPage().

         {
                 if ($this->getPage()->getPageConfig()->getEnableSelfAssessment())
                 {
                         return array("./Modules/Scorm2004/templates/default/question_handling.css",
                                 "Modules/TestQuestionPool/templates/default/test_javascript.css");
                 }
                 return array();
         }

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◆ getJavascriptFiles()

ilPCQuestion::getJavascriptFiles ( $a_mode )

Get Javascript files.

Definition at line 331 of file class.ilPCQuestion.php.

References ilPageContent\getPage(), and IL_PAGE_PREVIEW.

         {
                 $js_files = array();
 
                 if ($this->getPage()->getPageConfig()->getEnableSelfAssessment())
                 {
                         $js_files[] = "./Modules/Scorm2004/scripts/questions/pure.js";
                         $js_files[] = "./Modules/Scorm2004/scripts/questions/question_handling.js";
                         $js_files[] = "Modules/TestQuestionPool/js/ilMatchingQuestion.js";
                 }
 
                 if (!$this->getPage()->getPageConfig()->getEnableSelfAssessmentScorm() && $a_mode != IL_PAGE_PREVIEW
                         && $a_mode != "offline")
                 {
                         $js_files[] = "./Services/COPage/js/ilCOPageQuestionHandler.js";
                 }
 
                 return $js_files;
         }

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◆ getJSTextInitCode()

static ilPCQuestion::getJSTextInitCode ( $a_lang )

static

Get js txt init code.

Parameters

Definition at line 414 of file class.ilPCQuestion.php.

References $ilUser, and $lng.

Referenced by ilSCORM2004Asset\exportHTMLPageObjects().

         {
                 global $lng, $ilUser;
 
                 if ($a_lang == "")
                 {
                         $a_lang = $ilUser->getLanguage();
                 }
 
                 return
                         '
                         ilias.questions.txt.wrong_answers = "'.$lng->txtlng("content", "cont_wrong_answers", $a_lang).'";
                         ilias.questions.txt.wrong_answers_single = "'.$lng->txtlng("content", "cont_wrong_answers_single", $a_lang).'";
                         ilias.questions.txt.tries_remaining = "'.$lng->txtlng("content", "cont_tries_remaining", $a_lang).'";
                         ilias.questions.txt.please_try_again = "'.$lng->txtlng("content", "cont_please_try_again", $a_lang).'";
                         ilias.questions.txt.all_answers_correct = "'.$lng->txtlng("content", "cont_all_answers_correct", $a_lang).'";
                         ilias.questions.txt.enough_answers_correct = "'.$lng->txtlng("content", "cont_enough_answers_correct", $a_lang).'";
                         ilias.questions.txt.nr_of_tries_exceeded = "'.$lng->txtlng("content", "cont_nr_of_tries_exceeded", $a_lang).'";
                         ilias.questions.txt.correct_answers_shown = "'.$lng->txtlng("content", "cont_correct_answers_shown", $a_lang).'";
                         ilias.questions.txt.correct_answers_also = "'.$lng->txtlng("content", "cont_correct_answers_also", $a_lang).'";
                         ilias.questions.txt.correct_answer_also = "'.$lng->txtlng("content", "cont_correct_answer_also", $a_lang).'";
                         ilias.questions.txt.ov_all_correct = "'.$lng->txtlng("content", "cont_ov_all_correct", $a_lang).'";
                         ilias.questions.txt.ov_some_correct = "'.$lng->txtlng("content", "cont_ov_some_correct", $a_lang).'";
                         ilias.questions.txt.ov_wrong_answered = "'.$lng->txtlng("content", "cont_ov_wrong_answered", $a_lang).'";
                         ilias.questions.txt.please_select = "'.$lng->txtlng("content", "cont_please_select", $a_lang).'";
                         ilias.questions.txt.ov_preview = "'.$lng->txtlng("content", "cont_ov_preview", $a_lang).'";
                         ilias.questions.refresh_lang();
                         ';
 
         }

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◆ getLangVars()

static ilPCQuestion::getLangVars ( )

static

Get lang vars needed for editing.

Returns: array array of lang var keys

Definition at line 155 of file class.ilPCQuestion.php.

         {
                 return array("ed_insert_pcqst", "empty_question", "pc_qst");
         }

◆ getOnloadCode()

ilPCQuestion::getOnloadCode ( $a_mode )

Get on load code.

Definition at line 367 of file class.ilPCQuestion.php.

References $code, $ilCtrl, $ilUser, $url, ilPageQuestionProcessor\getAnswerStatus(), ilPageContent\getPage(), and IL_PAGE_PREVIEW.

         {
                 global $ilCtrl, $ilUser;
 
                 $code = array();
 
                 if ($this->getPage()->getPageConfig()->getEnableSelfAssessment())
                 {
                         if (!$this->getPage()->getPageConfig()->getEnableSelfAssessmentScorm() && $a_mode != IL_PAGE_PREVIEW
                                 && $a_mode != "offline")
                         {
                                 $ilCtrl->setParameterByClass(strtolower(get_class($this->getPage()))."gui", "page_id", $this->getPage()->getId());
                                 $url = $ilCtrl->getLinkTargetByClass(strtolower(get_class($this->getPage()))."gui", "processAnswer", "", true, false);
                                 $code[] = "ilCOPageQuestionHandler.initCallback('".$url."');";
                         }
 
                         if ($this->getPage()->getPageConfig()->getDisableDefaultQuestionFeedback())
                         {
                                 $code[] = "ilias.questions.default_feedback = false;";
                         }
                                                 
                         $code[] = self::getJSTextInitCode($this->getPage()->getPageConfig()->getLocalizationLanguage()).' il.COPagePres.updateQuestionOverviews();';
                 }
 
                 $get_stored_tries = $this->getPage()->getPageConfig()->getUseStoredQuestionTries();
                 if ($get_stored_tries)
                 {
                         $q_ids = $this->getPage()->getQuestionIds();
                         if (count($q_ids) > 0)
                         {
                                 foreach ($q_ids as $q_id)
                                 {
                                         include_once("./Services/COPage/classes/class.ilPageQuestionProcessor.php");
                                         $as = ilPageQuestionProcessor::getAnswerStatus($q_id, $ilUser->getId());
                                         $code[] = "ilias.questions.initAnswer(".$q_id.", ".(int) $as["try"].", ".($as["passed"] ? "true" : "null").");";
                                 }
                         }
                 }
                 return $code;
         }

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◆ getQuestionJsOfPage()

ilPCQuestion::getQuestionJsOfPage	(	$a_no_interaction,
		$a_mode
	)

Get question js.

Definition at line 448 of file class.ilPCQuestion.php.

References $js, and ilPageContent\getPage().

Referenced by modifyPageContentPostXsl().

         {
                 require_once './Modules/Scorm2004/classes/class.ilQuestionExporter.php';
                 $q_ids = $this->getPage()->getQuestionIds();
                 $js = array();
                 if (count($q_ids) > 0)
                 {
                         foreach ($q_ids as $q_id)
                         {
                                 $q_exporter = new ilQuestionExporter($a_no_interaction);
                                 $image_path = null;
                                 if ($a_mode == "offline")
                                 {
                                         if ($this->getPage()->getParentType() == "sahs")
                                         {
                                                 $image_path = "./objects/";
                                         }
                                         if ($this->getPage()->getParentType() == "lm")
                                         {
                                                 $image_path = "./assessment/0/".$q_id."/images/";
                                         }
                                 }
 
                                 $js[$q_id] = $q_exporter->exportQuestion($q_id, $image_path, $a_mode);
                         }
                 }
                 return $js;
         }

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◆ getQuestionReference()

ilPCQuestion::getQuestionReference ( )

Get Question Reference.

Returns: string Question Reference

Definition at line 60 of file class.ilPCQuestion.php.

         {
                 if (is_object($this->q_node))
                 {
                         return $this->q_node->get_attribute("QRef", $a_questionreference);
                 }
                 return false;
         }

◆ init()

ilPCQuestion::init ( )

Init page content component.

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

References ilPageContent\setType().

         {
                 $this->setType("pcqst");
         }

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◆ modifyPageContentPostXsl()

ilPCQuestion::modifyPageContentPostXsl	(	$a_output,
		$a_mode
	)

Modify page content after xsl.

Parameters

string $a_output

Returns: string

Definition at line 268 of file class.ilPCQuestion.php.

References $h, $lng, assQuestionGUI\_getQuestionGUI(), ilPageContent\getPage(), and getQuestionJsOfPage().

         {
                 global $lng;
 
                 if ($this->getPage()->getPageConfig()->getEnableSelfAssessment())
                 {
                         // #14154
                         $q_ids = $this->getPage()->getQuestionIds();
                         if(sizeof($q_ids))
                         {
                                 include_once "./Modules/TestQuestionPool/classes/class.assQuestionGUI.php";
                                 foreach($q_ids as $q_id)
                                 {
                                         $q_gui = assQuestionGUI::_getQuestionGUI("", $q_id);
                                         // object check due to #16557
                                         if(is_object($q_gui->object) && !$q_gui->object->isComplete())
                                         {
                                                 $a_output = str_replace("{{{{{Question;il__qst_".$q_id."}}}}}", 
                                                         "<i>".$lng->txt("cont_empty_question")."</i>", 
                                                         $a_output);
                                         }
                                 }
                                 
                                 // this exports the questions which is needed below
                                 $qhtml = $this->getQuestionJsOfPage(($a_mode == "edit") ? true : false, $a_mode);                       
                                                                                                                         
                                 require_once './Modules/Scorm2004/classes/class.ilQuestionExporter.php';
                                 $a_output = "<script>".ilQuestionExporter::questionsJS($q_ids)."</script>".$a_output;
                                 if(!self::$initial_done)
                                 {
                                         $a_output = "<script>var ScormApi=null; var questions = new Array();</script>".$a_output;
                                         self::$initial_done = true;
                                 }                                                                                                       
                         }               
                 }
                 else
                 {
                         // set by T&A components
                         $qhtml = $this->getPage()->getPageConfig()->getQuestionHTML();
                 }
 
                 if (is_array($qhtml))
                 {
                         foreach ($qhtml as $k => $h)
                         {
                                 $a_output = str_replace("{{{{{Question;il__qst_$k"."}}}}}", " ".$h, $a_output);
                         }
                 }
 
                 return $a_output;
         }

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◆ resetInitialState()

static ilPCQuestion::resetInitialState ( )

static

Reset initial state (for exports)

Definition at line 323 of file class.ilPCQuestion.php.

Referenced by ilObjContentObject\exportPageHTML().

         {
                 self::$initial_done = false;
         }

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◆ setNode()

ilPCQuestion::setNode ( & $a_node )

Set node.

Definition at line 36 of file class.ilPCQuestion.php.

         {
                 parent::setNode($a_node);               // this is the PageContent node
                 $this->q_node =& $a_node->first_child();                //... and this the Question
         }

◆ setQuestionReference()

ilPCQuestion::setQuestionReference ( $a_questionreference )

Set Question Reference.

Parameters

string $a_questionreference Question Reference

Definition at line 47 of file class.ilPCQuestion.php.

         {
                 if (is_object($this->q_node))
                 {
                         $this->q_node->set_attribute("QRef", $a_questionreference);
                 }
         }

Field Documentation

◆ $dom

ilPCQuestion::$dom

Definition at line 20 of file class.ilPCQuestion.php.

◆ $initial_done

ilPCQuestion::$initial_done

staticprotected

Definition at line 23 of file class.ilPCQuestion.php.

◆ $q_node

ilPCQuestion::$q_node

Definition at line 21 of file class.ilPCQuestion.php.

The documentation for this class was generated from the following file:

Services/COPage/classes/class.ilPCQuestion.php

Public Member Functions

Static Public Member Functions

Data Fields

Static Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ _getPageForQuestionId()

◆ _getQuestionIdsForPage()

◆ afterPageUpdate()

◆ beforePageDelete()

◆ copyPoolQuestionIntoPage()

◆ create()

◆ getCssFiles()

◆ getJavascriptFiles()

◆ getJSTextInitCode()

◆ getLangVars()

◆ getOnloadCode()

◆ getQuestionJsOfPage()

◆ getQuestionReference()

◆ init()

◆ modifyPageContentPostXsl()

◆ resetInitialState()

◆ setNode()

◆ setQuestionReference()

Field Documentation

◆ $dom

◆ $initial_done

◆ $q_node