public function exportQuestion($a_ref_id, $a_image_path = null, $a_output_mode = "presentation")
{
if ($a_ref_id != "") {
$inst_id = ilInternalLink::_extractInstOfTarget($a_ref_id);
if (!($inst_id > 0)) {
$q_id = ilInternalLink::_extractObjIdOfTarget($a_ref_id);
}
}
$this->q_gui = assQuestionGUI::_getQuestionGUI("", $q_id);
if (!is_object($this->q_gui->object)) {
return "Error: Question not found.";
}
$type = $this->q_gui->object->getQuestionType();
if (method_exists($this, $type)) {
$this->q_gui->object->setExportImagePath($a_image_path);
$this->q_gui->object->feedbackOBJ->setPageObjectOutputMode($a_output_mode);
$this->json = $this->q_gui->object->toJSON();
$this->json_decoded = json_decode($this->json);
self::$exported[$this->json_decoded->id] = $this->json;
self::$mobs[$this->json_decoded->id] = $this->json_decoded->mobs;
return $this->{$type}();
} else {
return "Error: Question Type not implemented/Question editing not finished";
}
}
/**
* Update internal links, after multiple pages have been copied
*/
static function updateInternalLinks($a_copied_nodes, $a_parent_type = "lm")
{
$all_fixes = array();
foreach ($a_copied_nodes as $original_id => $copied_id) {
$copied_type = ilLMObject::_lookupType($copied_id);
$copy_lm = ilLMObject::_lookupContObjID($copied_id);
if ($copied_type == "pg") {
//
// 1. Outgoing links from the copied page.
//
//$targets = ilInternalLink::_getTargetsOfSource($a_parent_type.":pg", $copied_id);
include_once "./Modules/LearningModule/classes/class.ilLMPage.php";
$tpg = new ilLMPage($copied_id);
$tpg->buildDom();
$il = $tpg->getInternalLinks();
$targets = array();
foreach ($il as $l) {
$targets[] = array("type" => ilInternalLink::_extractTypeOfTarget($l["Target"]), "id" => (int) ilInternalLink::_extractObjIdOfTarget($l["Target"]), "inst" => (int) ilInternalLink::_extractInstOfTarget($l["Target"]));
}
$fix = array();
foreach ($targets as $target) {
if (($target["inst"] == 0 || ($target["inst"] = IL_INST_ID)) && ($target["type"] == "pg" || $target["type"] == "st")) {
// first check, whether target is also within the copied set
if ($a_copied_nodes[$target["id"]] > 0) {
$fix[$target["id"]] = $a_copied_nodes[$target["id"]];
} else {
// now check, if a copy if the target is already in the same lm
// only if target is not already in the same lm!
$trg_lm = ilLMObject::_lookupContObjID($target["id"]);
if ($trg_lm != $copy_lm) {
$lm_data = ilLMObject::_getAllObjectsForImportId("il__" . $target["type"] . "_" . $target["id"]);
$found = false;
foreach ($lm_data as $item) {
if (!$found && $item["lm_id"] == $copy_lm) {
$fix[$target["id"]] = $item["obj_id"];
$found = true;
}
}
}
}
}
}
// outgoing links to be fixed
if (count($fix) > 0) {
//echo "<br>--".$copied_id;
//var_dump($fix);
$t = ilObject::_lookupType($copy_lm);
if (is_array($all_fixes[$t . ":" . $copied_id])) {
$all_fixes[$t . ":" . $copied_id] += $fix;
} else {
$all_fixes[$t . ":" . $copied_id] = $fix;
}
}
}
if ($copied_type == "pg" || $copied_type == "st") {
//
// 2. Incoming links to the original pages
//
// A->B A2 (A+B currently copied)
// A->C B2
// B->A
// C->A C2->A (C already copied)
$original_lm = ilLMObject::_lookupContObjID($original_id);
$original_type = ilObject::_lookupType($original_lm);
if ($original_lm != $copy_lm) {
// This gets sources that link to A+B (so we have C here)
// (this also does already the trick when instance map areas are given in C)
// int_link, where target_type, target_id, target_inst -> ok
$sources = ilInternalLink::_getSourcesOfTarget($copied_type, $original_id, 0);
// mobs linking to $original_id
// map_area, where link_type, target -> ok
$mobs = ilMapArea::_getMobsForTarget("int", "il__" . $copied_type . "_" . $original_id);
// pages using these mobs
include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
foreach ($mobs as $mob) {
// mob_usage, where id -> ok
// mep_item, where foreign_id, type -> ok
// mep_tree, where child -> already existed
// il_news_item, where mob_id -> ok
// map_area, where link_type, target -> aready existed
// media_item, where id -> already existed
// personal_clipboard, where item_id, type -> ok
$usages = ilObjMediaObject::lookupUsages($mob);
foreach ($usages as $usage) {
if ($usage["type"] == "lm:pg" | $usage["type"] == "lm:st") {
$sources[] = $usage;
}
}
}
$fix = array();
foreach ($sources as $source) {
$stype = explode(":", $source["type"]);
$source_type = $stype[1];
if ($source_type == "pg" || $source_type == "st") {
// first of all: source must be in original lm
$src_lm = ilLMObject::_lookupContObjID($source["id"]);
if ($src_lm == $original_lm) {
// check, if a copy if the source is already in the same lm
// now we look for the latest copy of C in LM2
$lm_data = ilLMObject::_getAllObjectsForImportId("il__" . $source_type . "_" . $source["id"], $copy_lm);
$found = false;
foreach ($lm_data as $item) {
if (!$found) {
$fix[$item["obj_id"]][$original_id] = $copied_id;
$found = true;
}
}
}
}
}
// outgoing links to be fixed
if (count($fix) > 0) {
foreach ($fix as $page_id => $fix_array) {
$t = ilObject::_lookupType($copy_lm);
if (is_array($all_fixes[$t . ":" . $page_id])) {
$all_fixes[$t . ":" . $page_id] += $fix_array;
} else {
$all_fixes[$t . ":" . $page_id] = $fix_array;
}
}
}
}
}
}
foreach ($all_fixes as $pg => $fixes) {
$pg = explode(":", $pg);
include_once "./Services/COPage/classes/class.ilPageObjectFactory.php";
$page = ilPageObjectFactory::getInstance($pg[0], $pg[1]);
if ($page->moveIntLinks($fixes)) {
$page->update(true, true);
}
}
}
/**
* Set tabs
*/
function setTabs()
{
if ($this->getSelfAssessmentMode()) {
return;
}
global $ilTabs, $ilCtrl, $lng;
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
if ($this->content_obj != "") {
$q_ref = $this->content_obj->getQuestionReference();
}
if ($q_ref != "") {
$inst_id = ilInternalLink::_extractInstOfTarget($q_ref);
if (!($inst_id > 0)) {
$q_id = ilInternalLink::_extractObjIdOfTarget($q_ref);
}
}
$ilTabs->addTarget("question", $ilCtrl->getLinkTarget($this, "edit"), array("editQuestion", "save", "cancel", "addSuggestedSolution", "cancelExplorer", "linkChilds", "removeSuggestedSolution", "addPair", "addTerm", "delete", "deleteTerms", "editMode", "upload", "saveEdit", "uploadingImage", "uploadingImagemap", "addArea", "deletearea", "saveShape", "back", "saveEdit", "changeGapType", "createGaps", "addItem", "addYesNo", "addTrueFalse", "toggleGraphicalAnswers", "setMediaMode"), "");
if ($q_id > 0) {
if (assQuestion::_getQuestionType($q_id) != "assTextQuestion") {
require_once 'Modules/TestQuestionPool/classes/class.assQuestionGUI.php';
require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionFeedbackEditingGUI.php';
$tabCommands = assQuestionGUI::getCommandsFromClassConstants('ilAssQuestionFeedbackEditingGUI');
$tabLink = ilUtil::appendUrlParameterString($ilCtrl->getLinkTargetByClass('ilAssQuestionFeedbackEditingGUI', ilAssQuestionFeedbackEditingGUI::CMD_SHOW), "q_id=" . (int) $q_id);
$ilTabs->addTarget('feedback', $tabLink, $tabCommands, $ilCtrl->getCmdClass(), '');
}
}
}
function getQuestionIds()
{
$this->builddom();
$mydom = $this->dom;
// Get question IDs
$path = "//Question";
$xpc = xpath_new_context($mydom);
$res =& xpath_eval($xpc, $path);
$q_ids = array();
include_once "./Services/Link/classes/class.ilInternalLink.php";
for ($i = 0; $i < count($res->nodeset); $i++) {
$qref = $res->nodeset[$i]->get_attribute("QRef");
$inst_id = ilInternalLink::_extractInstOfTarget($qref);
$obj_id = ilInternalLink::_extractObjIdOfTarget($qref);
if (!($inst_id > 0)) {
if ($obj_id > 0) {
$q_ids[] = $obj_id;
}
}
}
return $q_ids;
}
/**
* Get current id for an import id
*
* @param string $a_type target type ("PageObject" | "StructureObject" |
* "GlossaryItem" | "MediaObject")
* @param string $a_target import target id (e.g. "il_2_pg_22")
*
* @return string current target id (e.g. "il__pg_244")
*/
function _getIdForImportId($a_type, $a_target)
{
switch ($a_type) {
case "PageObject":
$id = ilLMObject::_getIdForImportId($a_target);
if ($id > 0) {
return "il__pg_" . $id;
}
break;
case "StructureObject":
$id = ilLMObject::_getIdForImportId($a_target);
if ($id > 0) {
return "il__st_" . $id;
}
break;
case "GlossaryItem":
$id = ilGlossaryTerm::_getIdForImportId($a_target);
if ($id > 0) {
return "il__git_" . $id;
}
break;
case "WikiPage":
// no import IDs for wiki pages (yet)
//$id = ilGlossaryTerm::_getIdForImportId($a_target);
$id = 0;
if ($id > 0) {
return "il__wpage_" . $id;
}
break;
case "MediaObject":
$id = ilObjMediaObject::_getIdForImportId($a_target);
if ($id > 0) {
return "il__mob_" . $id;
}
break;
case "RepositoryItem":
$tarr = explode("_", $a_target);
$import_id = $a_target;
// if a ref id part is given, strip this
// since this will not be part of an import id
if ($tarr[4] != "") {
$import_id = $tarr[0] . "_" . $tarr[1] . "_" . $tarr[2] . "_" . $tarr[3];
}
if (ilInternalLink::_extractInstOfTarget($a_target) == IL_INST_ID && IL_INST_ID > 0) {
// does it have a ref id part?
if ($tarr[4] != "") {
return "il__obj_" . $tarr[4];
}
}
$id = ilObject::_getIdForImportId($import_id);
//echo "-$a_target-$id-";
// get ref id for object id
// (see ilPageObject::insertInstIntoIDs for the export procedure)
if ($id > 0) {
$refs = ilObject::_getAllReferences($id);
//var_dump($refs);
foreach ($refs as $ref) {
return "il__obj_" . $ref;
}
}
break;
}
return false;
}
/**
* After page has been updated (or created)
*
* @param object page object
* @param DOMDocument $a_domdoc dom document
* @param string xml
* @param bool true on creation, otherwise false
*/
static function afterPageUpdate($a_page, DOMDocument $a_domdoc, $a_xml, $a_creation)
{
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));
}
}
/**
* Set tabs
*/
function setTabs()
{
global $ilTabs, $ilCtrl, $lng;
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
if ($this->content_obj != "") {
$q_ref = $this->content_obj->getQuestionReference();
}
if ($q_ref != "") {
$inst_id = ilInternalLink::_extractInstOfTarget($q_ref);
if (!($inst_id > 0)) {
$q_id = ilInternalLink::_extractObjIdOfTarget($q_ref);
}
}
$ilTabs->addTarget("question", $ilCtrl->getLinkTarget($this, "edit"), array("editQuestion", "save", "cancel", "addSuggestedSolution", "cancelExplorer", "linkChilds", "removeSuggestedSolution", "addPair", "addTerm", "delete", "deleteTerms", "editMode", "upload", "saveEdit", "uploadingImage", "uploadingImagemap", "addArea", "deletearea", "saveShape", "back", "saveEdit", "changeGapType", "createGaps", "addItem", "addYesNo", "addTrueFalse", "toggleGraphicalAnswers", "setMediaMode"), "");
if ($q_id > 0) {
if (assQuestion::_getQuestionType($q_id) != "assTextQuestion") {
$ilTabs->addTarget("feedback", $ilCtrl->getLinkTarget($this, "feedback"), array("feedback", "saveFeedback"), "");
}
}
}
