ILIAS  Release_4_1_x_branch Revision 61804
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Public Member Functions | Static Public Member Functions | Data Fields
ilObjQuestionPool Class Reference
+ Inheritance diagram for ilObjQuestionPool:
+ Collaboration diagram for ilObjQuestionPool:

Public Member Functions

 ilObjQuestionPool ($a_id=0, $a_call_by_reference=true)
 Constructor public.
 create ($a_upload=false)
 create questionpool object
 createReference ()
 Creates a database reference id for the object (saves the object to the database and creates a reference id in the database)
 update ()
 update object data
 updateMetaData ()
 update meta data entry
 read ($a_force_db=false)
 read object data from db into object
 delete ()
 delete object and all related data
 deleteQuestionpool ()
 initDefaultRoles ()
 If your module does not require any default roles, delete this method (For an example how this method is used, look at ilObjForum)
 notify ($a_event, $a_ref_id, $a_parent_non_rbac_id, $a_node_id, $a_params=0)
 notifys an object about an event occured Based on the event happend, each object may decide how it reacts.
 deleteQuestion ($question_id)
 Deletes a question from the question pool.
 loadFromDb ()
 Loads a ilObjQuestionpool object from a database.
 saveToDb ()
 Saves a ilObjQuestionpool object to a database.
 getQuestiontype ($question_id)
 Returns the question type of a question with a given id.
 getDescription ()
 get description of content object
 setDescription ($a_description)
 set description of content object
 getTitle ()
 get title of glossary object
 setTitle ($a_title)
 set title of glossary object
 isInUse ($question_id)
 Checks whether the question is in use or not.
& createQuestion ($question_type, $question_id=-1)
 duplicateQuestion ($question_id)
 Duplicates a question for a questionpool.
 copyQuestion ($question_id, $questionpool_to)
 Copies a question into another question pool.
 getQuestionBrowserData ($arrFilter)
 Calculates the data for the output of the questionpool.
& getPrintviewQuestions ()
 Calculates the data for the print view of the questionpool.
 exportPagesXML (&$a_xml_writer, $a_inst, $a_target_dir, &$expLog, $questions)
 export pages of test to xml (see ilias_co.dtd)
 exportXMLMetaData (&$a_xml_writer)
 export content objects meta data to xml (see ilias_co.dtd)
 modifyExportIdentifier ($a_tag, $a_param, $a_value)
 exportXMLPageObjects (&$a_xml_writer, $a_inst, &$expLog, $questions)
 export page objects to xml (see ilias_co.dtd)
 exportXMLMediaObjects (&$a_xml_writer, $a_inst, $a_target_dir, &$expLog)
 export media objects to xml (see ilias_co.dtd)
 exportFileItems ($a_target_dir, &$expLog)
 export files of file itmes
 createExportDirectory ()
 creates data directory for export files (data_dir/qpl_data/qpl_<id>/export, depending on data directory that is set in ILIAS setup/ini)
 getExportDirectory ()
 get export directory of questionpool
 getExportFiles ($dir)
 get export files
 _createImportDirectory ()
 creates data directory for import files (data_dir/qpl_data/qpl_<id>/import, depending on data directory that is set in ILIAS setup/ini)
 _getImportDirectory ()
 get import directory of lm
 getImportDirectory ()
 get import directory of lm
& getAllQuestions ()
 Retrieve an array containing all question ids of the questionpool.
& getAllQuestionIds ()
 getImportMapping ()
 get array of (two) new created questions for import id
 toXML ($questions)
 Returns a QTI xml representation of a list of questions.
 _getQuestionCount ($questionpool_id, $complete_questions_only=FALSE)
 Returns the number of questions in a question pool.
 setOnline ($a_online_status)
 Sets the questionpool online status.
 getOnline ()
 _lookupOnline ($a_obj_id, $is_reference=FALSE)
 _hasEqualPoints ($a_obj_id, $is_reference=FALSE)
 Checks a question pool for questions with the same maximum points.
 pasteFromClipboard ()
 Copies/Moves a question from the clipboard.
 copyToClipboard ($question_id)
 Copies a question to the clipboard.
 moveToClipboard ($question_id)
 Moves a question to the clipboard.
 _isWriteable ($object_id, $user_id)
 Returns true, if the question pool is writeable by a given user.
& getQuestionDetails ($question_ids)
 Returns an array containing the qpl_question and qpl_qst_type fields for an array of question ids.
& getDeleteableQuestionDetails ($question_ids)
 Returns an array containing the qpl_question and qpl_qst_type fields of deleteable questions for an array of question ids.
 _getFullPathToQpl ($ref_id)
 Retrieves the full path to a question pool with a given reference id.
& _getAvailableQuestionpools ($use_object_id=FALSE, $equal_points=FALSE, $could_be_offline=FALSE, $showPath=FALSE, $with_questioncount=FALSE, $permission="read", $usr_id="")
 Returns the available question pools for the active user.
& getQplQuestions ()
 cloneObject ($a_target_id, $a_copy_id=0)
 Creates a 1:1 copy of the object and places the copy in a given repository.
& getQuestionTypes ($all_tags=FALSE)
& _getQuestionTypes ($all_tags=FALSE)
& getQuestionTypeTranslations ()
& getQuestionList ()
 isPluginActive ($a_pname)
 Checks wheather or not a question plugin with a given name is active.
 purgeQuestions ()
- Public Member Functions inherited from ilObject
 ilObject ($a_id=0, $a_reference=true)
 Constructor public.
 withReferences ()
 determines wehter objects are referenced or not (got ref ids or not)
 getId ()
 get object id public
 setId ($a_id)
 set object id public
 setRefId ($a_id)
 set reference id public
 getRefId ()
 get reference id public
 getType ()
 get object type public
 setType ($a_type)
 set object type public
 getPresentationTitle ()
 get presentation title Normally same as title Overwritten for sessions
 getUntranslatedTitle ()
 get untranslated object title public
 getLongDescription ()
 get object long description (stored in object_description)
 getImportId ()
 get import id
 setImportId ($a_import_id)
 set import id
 _lookupObjIdByImportId ($a_import_id)
 getOwner ()
 get object owner
 getOwnerName ()
 _lookupOwnerName ($a_owner_id)
 lookup owner name for owner id
 setOwner ($a_owner)
 set object owner
 getCreateDate ()
 get create date public
 getLastUpdateDate ()
 get last update date public
 getDiskUsage ()
 Gets the disk usage of the object in bytes.
 setObjDataRecord ($a_record)
 set object_data record (note: this method should only be called from the ilObjectFactory class)
 create ()
 create
 MDUpdateListener ($a_element)
 Meta data update listener.
 createMetaData ()
 create meta data entry
 deleteMetaData ()
 delete meta data entry
 updateOwner ()
 update owner of object in db
 _getIdForImportId ($a_import_id)
 get current object id for import id (static)
 _lookupOwner ($a_id)
 lookup object owner
 _lookupDescription ($a_id)
 lookup object description
 _lookupLastUpdate ($a_id, $a_as_string=false)
 lookup last update
 _getLastUpdateOfObjects ($a_objs)
 Get last update for a set of media objects.
 _setDeletedDate ($a_ref_id)
 only called in ilTree::saveSubTree
 _resetDeletedDate ($a_ref_id)
 only called in ilObjectGUI::insertSavedNodes
 _lookupDeletedDate ($a_ref_id)
 only called in ilObjectGUI::insertSavedNodes
 _writeTitle ($a_obj_id, $a_title)
 write title to db (static)
 _writeDescription ($a_obj_id, $a_desc)
 write description to db (static)
 _writeImportId ($a_obj_id, $a_import_id)
 write import id to db (static)
 _isInTrash ($a_ref_id)
 checks wether object is in trash
 _hasUntrashedReference ($a_obj_id)
 checks wether an object has at least one reference that is not in trash
 _lookupObjectId ($a_ref_id)
 lookup object id
 _getObjectsDataForType ($a_type, $a_omit_trash=false)
 get all objects of a certain type
 putInTree ($a_parent_ref)
 maybe this method should be in tree object!?
 setPermissions ($a_parent_ref)
 set permissions of object
 countReferences ()
 count references of object
 createRoleFolder ()
 creates a local role folder
 setRegisterMode ($a_bool)
 isUserRegistered ($a_user_id=0)
 requireRegistration ()
 getXMLZip ()
 getHTMLDirectory ()
 appendCopyInfo ($a_target_id, $a_copy_id)
 Prepend Copy info if object with same name exists in that container.
 cloneDependencies ($a_target_id, $a_copy_id)
 Clone object dependencies.
 cloneMetaData ($target_obj)
 Copy meta data.

Static Public Member Functions

static & _getSelfAssessmentQuestionTypes ($all_tags=FALSE)
 Get all self assessment question types.
static _updateQuestionCount ($object_id)
 Updates the number of available questions for a question pool in the database.
- Static Public Member Functions inherited from ilObject
static _getAllReferences ($a_id)
 get all reference ids of object
static _lookupTitle ($a_id)
 lookup object title
static _getIdsForTitle ($title, $type= '', $partialmatch=false)
static _lookupObjId ($a_id)
static _lookupType ($a_id, $a_reference=false)
 lookup object type
 _exists ($a_id, $a_reference=false)
 checks if an object exists in object_data
static _getObjectsByType ($a_obj_type="", $a_owner="")
 Get objects by type.
static _prepareCloneSelection ($a_ref_ids, $new_type)
 Prepare copy wizard object selection.
static _getIcon ($a_obj_id="", $a_size="big", $a_type="", $a_offline=false)
 Get icon for repository item.
static collectDeletionDependencies (&$deps, $a_ref_id, $a_obj_id, $a_type, $a_depth=0)
 Collect deletion dependencies.
static getDeletionDependencies ($a_obj_id)
 Get deletion dependencies.

Data Fields

 $online
- Data Fields inherited from ilObject
const TITLE_LENGTH = 128
 max length of object title
 $ilias
 $lng
 $id
 $ref_id
 $type
 $title
 $untranslatedTitle
 $desc
 $long_desc
 $owner
 $create_date
 $last_update
 $import_id
 $register = false
 $referenced
 $objectList
 $max_title
 $max_desc
 $add_dots
 $obj_data_record
 object_data record

Detailed Description

Definition at line 16 of file class.ilObjQuestionPool.php.

Member Function Documentation

ilObjQuestionPool::_createImportDirectory ( )

creates data directory for import files (data_dir/qpl_data/qpl_<id>/import, depending on data directory that is set in ILIAS setup/ini)

Definition at line 806 of file class.ilObjQuestionPool.php.

References ilObject\$ilias, ilUtil\getDataDir(), and ilUtil\makeDir().

Referenced by ilObjQuestionPoolGUI\uploadQplObject().

{
global $ilias;
include_once "./Services/Utilities/classes/class.ilUtil.php";
$qpl_data_dir = ilUtil::getDataDir()."/qpl_data";
ilUtil::makeDir($qpl_data_dir);
if(!is_writable($qpl_data_dir))
{
$ilias->raiseError("Questionpool Data Directory (".$qpl_data_dir
.") not writeable.",$ilias->error_obj->FATAL);
}
// create questionpool directory (data_dir/qpl_data/qpl_import)
$qpl_dir = $qpl_data_dir."/qpl_import";
ilUtil::makeDir($qpl_dir);
if(!@is_dir($qpl_dir))
{
$ilias->raiseError("Creation of Questionpool Directory failed.",$ilias->error_obj->FATAL);
}
}

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& ilObjQuestionPool::_getAvailableQuestionpools (   $use_object_id = FALSE,
  $equal_points = FALSE,
  $could_be_offline = FALSE,
  $showPath = FALSE,
  $with_questioncount = FALSE,
  $permission = "read",
  $usr_id = "" 
)

Returns the available question pools for the active user.

Returns
array The available question pools public

Definition at line 1315 of file class.ilObjQuestionPool.php.

References $ilDB, $in, ilObject\$ref_id, $result, $row, ilObject\$title, $usr_id, ilUtil\_getObjectsByOperations(), _hasEqualPoints(), ilObject\_lookupObjId(), and ilObject\_prepareCloneSelection().

Referenced by ilObjTest\getAvailableQuestionpools(), ilObjTest\getAvailableQuestions(), and ilObjTest\randomSelectQuestions().

{
global $ilUser;
global $ilDB;
$result_array = array();
$permission = (strlen($permission) == 0) ? "read" : $permission;
$qpls = ilUtil::_getObjectsByOperations("qpl", $permission, (strlen($usr_id)) ? $usr_id : $ilUser->getId(), -1);
$obj_ids = array();
foreach ($qpls as $ref_id)
{
$obj_id = ilObject::_lookupObjId($ref_id);
$obj_ids[$ref_id] = $obj_id;
}
$titles = ilObject::_prepareCloneSelection($qpls, "qpl");
if (count($obj_ids))
{
$in = $ilDB->in('object_data.obj_id', $obj_ids, false, 'integer');
if ($could_be_offline)
{
$result = $ilDB->query("SELECT qpl_questionpool.*, object_data.title FROM qpl_questionpool, object_data WHERE ".
"qpl_questionpool.obj_fi = object_data.obj_id AND $in ORDER BY object_data.title");
}
else
{
$result = $ilDB->queryF("SELECT qpl_questionpool.*, object_data.title FROM qpl_questionpool, object_data WHERE ".
"qpl_questionpool.obj_fi = object_data.obj_id AND $in AND qpl_questionpool.isonline = %s ".
"ORDER BY object_data.title",
array('text'),
array(1)
);
}
while ($row = $ilDB->fetchAssoc($result))
{
$add = TRUE;
if ($equal_points)
{
if (!ilObjQuestionPool::_hasEqualPoints($row["obj_fi"]))
{
$add = FALSE;
}
}
if ($add)
{
$ref_id = array_search($row["obj_fi"], $obj_ids);
$title = (($showPath) ? $titles[$ref_id] : $row["title"]);
if ($with_questioncount)
{
$title .= " [" . $row["questioncount"] . " " . ($row["questioncount"] == 1 ? $this->lng->txt("ass_question") : $this->lng->txt("assQuestions")) . "]";
}
if ($use_object_id)
{
$result_array[$row["obj_fi"]] = array("title" => $title, "count" => $row["questioncount"]);
}
else
{
$result_array[$ref_id] = array("title" => $title, "count" => $row["questioncount"]);
}
}
}
}
return $result_array;
}

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ilObjQuestionPool::_getFullPathToQpl (   $ref_id)

Retrieves the full path to a question pool with a given reference id.

Returns
string The full path to the question pool including the locator public

Definition at line 1286 of file class.ilObjQuestionPool.php.

References $path, ilObject\$ref_id, ilStr\strLen(), and ilStr\subStr().

Referenced by ilObjQuestionPoolGUI\printObject().

{
global $tree;
$path = $tree->getPathFull($ref_id);
$items = array();
$counter = 0;
foreach ($path as $item)
{
if (($counter > 0) && ($counter < count($path)-1))
{
array_push($items, $item["title"]);
}
$counter++;
}
$fullpath = join(" > ", $items);
include_once "./Services/Utilities/classes/class.ilStr.php";
if (strlen($fullpath) > 60)
{
$fullpath = ilStr::subStr($fullpath, 0, 30) . "..." . ilStr::subStr($fullpath, ilStr::strLen($fullpath)-30, 30);
}
return $fullpath;
}

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ilObjQuestionPool::_getImportDirectory ( )

get import directory of lm

Definition at line 832 of file class.ilObjQuestionPool.php.

References ilUtil\getDataDir().

Referenced by assErrorTextImport\fromXML(), assFileUploadImport\fromXML(), assFlashQuestionImport\fromXML(), assSingleChoiceImport\fromXML(), assOrderingQuestionImport\fromXML(), assJavaAppletImport\fromXML(), assNumericImport\fromXML(), assMultipleChoiceImport\fromXML(), assTextSubsetImport\fromXML(), assClozeTestImport\fromXML(), assImagemapQuestionImport\fromXML(), assOrderingHorizontalImport\fromXML(), assTextQuestionImport\fromXML(), assMatchingQuestionImport\fromXML(), ilObjQuestionPoolGUI\importVerifiedFileObject(), and ilObjQuestionPoolGUI\uploadQplObject().

{
include_once "./Services/Utilities/classes/class.ilUtil.php";
$import_dir = ilUtil::getDataDir()."/qpl_data/qpl_import";
if(@is_dir($import_dir))
{
return $import_dir;
}
else
{
return false;
}
}

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ilObjQuestionPool::_getQuestionCount (   $questionpool_id,
  $complete_questions_only = FALSE 
)

Returns the number of questions in a question pool.

Parameters
integer$questonpool_idObject id of the questionpool to examine
boolean$complete_questions_onlyIf set to TRUE, returns only the number of complete questions in the questionpool. Default is FALSE
Returns
integer The number of questions in the questionpool object public

Definition at line 964 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and $row.

Referenced by _updateQuestionCount().

{
global $ilDB;
if ($complete_questions_only)
{
$result = $ilDB->queryF("SELECT COUNT(question_id) question_count FROM qpl_questions WHERE obj_fi = %s AND qpl_questions.tstamp > 0 AND original_id IS NULL AND complete = %s",
array('integer', 'text'),
array($questionpool_id, 1)
);
}
else
{
$result = $ilDB->queryF("SELECT COUNT(question_id) question_count FROM qpl_questions WHERE obj_fi = %s AND qpl_questions.tstamp > 0 AND original_id IS NULL",
array('integer'),
array($questionpool_id)
);
}
$row = $ilDB->fetchAssoc($result);
return $row["question_count"];
}

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& ilObjQuestionPool::_getQuestionTypes (   $all_tags = FALSE)

Definition at line 1429 of file class.ilObjQuestionPool.php.

References $ilDB, $ilLog, ilObject\$lng, $result, $row, ilObjAssessmentFolder\_getForbiddenQuestionTypes(), ilPlugin\getPluginObject(), and IL_COMP_MODULE.

Referenced by _getSelfAssessmentQuestionTypes(), getQuestionTypes(), ilTestQuestionBrowserTableGUI\initFilter(), ilQuestionBrowserTableGUI\initFilter(), ilObjTestGUI\questionsObject(), ilObjAssessmentFolderGUI\saveSettingsObject(), and ilObjAssessmentFolderGUI\settingsObject().

{
global $ilDB;
global $lng;
include_once "./Modules/Test/classes/class.ilObjAssessmentFolder.php";
$forbidden_types = ilObjAssessmentFolder::_getForbiddenQuestionTypes();
$lng->loadLanguageModule("assessment");
$result = $ilDB->query("SELECT * FROM qpl_qst_type");
$types = array();
while ($row = $ilDB->fetchAssoc($result))
{
if ($all_tags || (!in_array($row["question_type_id"], $forbidden_types)))
{
global $ilLog;
if ($row["plugin"] == 0)
{
$types[$lng->txt($row["type_tag"])] = $row;
}
else
{
global $ilPluginAdmin;
$pl_names = $ilPluginAdmin->getActivePluginsForSlot(IL_COMP_MODULE, "TestQuestionPool", "qst");
foreach ($pl_names as $pl_name)
{
$pl = ilPlugin::getPluginObject(IL_COMP_MODULE, "TestQuestionPool", "qst", $pl_name);
if (strcmp($pl->getQuestionType(), $row["type_tag"]) == 0)
{
$types[$pl->getQuestionTypeTranslation()] = $row;
}
}
}
}
}
ksort($types);
return $types;
}

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static& ilObjQuestionPool::_getSelfAssessmentQuestionTypes (   $all_tags = FALSE)
static

Get all self assessment question types.

Todo:
Make it more flexible

Definition at line 1506 of file class.ilObjQuestionPool.php.

References $t, and _getQuestionTypes().

Referenced by ilPCQuestionGUI\insert().

{
$allowed_types = array("assImagemapQuestion", "assMatchingQuestion",
"assTextQuestion",
"assClozeTest", "assMultipleChoice", "assSingleChoice", "assOrderingQuestion");
$satypes = array();
$qtypes = ilObjQuestionPool::_getQuestionTypes($all_tags);
foreach($qtypes as $k => $t)
{
if (in_array($t["type_tag"], $allowed_types))
{
$satypes[$k] = $t;
}
}
return $satypes;
}

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ilObjQuestionPool::_hasEqualPoints (   $a_obj_id,
  $is_reference = FALSE 
)

Checks a question pool for questions with the same maximum points.

Parameters
integer$a_obj_idObject id of the question pool private

Definition at line 1044 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and $row.

Referenced by _getAvailableQuestionpools().

{
global $ilDB;
if ($is_reference)
{
$result = $ilDB->queryF("SELECT count(DISTINCT qpl_questions.points) equal_points FROM qpl_questions, object_reference WHERE object_reference.ref_id = %s AND qpl_questions.tstamp > 0 AND object_reference.obj_id = qpl_questions.obj_fi AND qpl_questions.original_id IS NULL",
array('integer'),
array($a_obj_id)
);
}
else
{
$result = $ilDB->queryF("SELECT count(DISTINCT points) equal_points FROM qpl_questions WHERE obj_fi = %s AND qpl_questions.tstamp > 0 AND qpl_questions.original_id IS NULL",
array('integer'),
array($a_obj_id)
);
}
if ($result->numRows() == 1)
{
$row = $ilDB->fetchAssoc($result);
if ($row["equal_points"] == 1)
{
return 1;
}
else
{
return 0;
}
}
return 0;
}

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ilObjQuestionPool::_isWriteable (   $object_id,
  $user_id 
)

Returns true, if the question pool is writeable by a given user.

Parameters
integer$object_idThe object id of the question pool object
integer$user_idThe database id of the user public

Definition at line 1170 of file class.ilObjQuestionPool.php.

References ilObject\$ref_id, ilObject\_getAllReferences(), and ilObject\_hasUntrashedReference().

{
global $rbacsystem;
include_once "./classes/class.ilObject.php";
$refs = ilObject::_getAllReferences($object_id);
if (count($refs))
{
foreach ($refs as $ref_id)
{
if ($rbacsystem->checkAccess("write", $ref_id) && (ilObject::_hasUntrashedReference($object_id)))
{
return true;
}
}
}
return false;
}

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ilObjQuestionPool::_lookupOnline (   $a_obj_id,
  $is_reference = FALSE 
)

Definition at line 1012 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and $row.

Referenced by ilObjQuestionPoolListGUI\getProperties().

{
global $ilDB;
if ($is_reference)
{
$result = $ilDB->queryF("SELECT qpl_questionpool.isonline FROM qpl_questionpool,object_reference WHERE object_reference.ref_id = %s AND object_reference.obj_id = qpl_questionpool.obj_fi",
array('integer'),
array($a_obj_id)
);
}
else
{
$result = $ilDB->queryF("SELECT isonline FROM qpl_questionpool WHERE obj_fi = %s",
array('integer'),
array($a_obj_id)
);
}
if ($result->numRows() == 1)
{
$row = $ilDB->fetchAssoc($result);
return $row["isonline"];
}
return 0;
}

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static ilObjQuestionPool::_updateQuestionCount (   $object_id)
static

Updates the number of available questions for a question pool in the database.

Parameters
integer$object_idObject id of the questionpool to examine public

Definition at line 1546 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and _getQuestionCount().

Referenced by assQuestion\delete(), duplicateQuestion(), pasteFromClipboard(), and assQuestion\saveToDb().

{
global $ilDB;
$result = $ilDB->manipulateF("UPDATE qpl_questionpool SET questioncount = %s, tstamp = %s WHERE obj_fi = %s",
array('integer','integer','integer'),
array(ilObjQuestionPool::_getQuestionCount($object_id, TRUE), time(), $object_id)
);
}

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ilObjQuestionPool::cloneObject (   $a_target_id,
  $a_copy_id = 0 
)

Creates a 1:1 copy of the object and places the copy in a given repository.

public

Reimplemented from ilObject.

Definition at line 1401 of file class.ilObjQuestionPool.php.

References $ilLog, ilObject\getId(), getOnline(), getQplQuestions(), and ilObject\getType().

{
global $ilLog;
$newObj = parent::cloneObject($a_target_id,$a_copy_id);
$newObj->setOnline($this->getOnline());
$newObj->saveToDb();
// clone the questions in the question pool
$questions =& $this->getQplQuestions();
foreach ($questions as $question_id)
{
$newObj->copyQuestion($question_id, $newObj->getId());
}
// clone meta data
include_once "./Services/MetaData/classes/class.ilMD.php";
$md = new ilMD($this->getId(),0,$this->getType());
$new_md =& $md->cloneMD($newObj->getId(),0,$newObj->getType());
// update the metadata with the new title of the question pool
$newObj->updateMetaData();
return $newObj;
}

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ilObjQuestionPool::copyQuestion (   $question_id,
  $questionpool_to 
)

Copies a question into another question pool.

Parameters
integer$question_idDatabase id of the question
integer$questionpool_toDatabase id of the target questionpool public

Definition at line 429 of file class.ilObjQuestionPool.php.

References createQuestion(), duplicateQuestion(), and ilObject\getId().

Referenced by pasteFromClipboard().

{
$question_gui =& $this->createQuestion("", $question_id);
if ($question_gui->object->getObjId() == $questionpool_to)
{
// the question is copied into the same question pool
$this->duplicateQuestion($question_id);
}
else
{
// the question is copied into another question pool
$newtitle = $question_gui->object->getTitle();
if ($question_gui->object->questionTitleExists($this->getId(), $question_gui->object->getTitle()))
{
$counter = 2;
while ($question_gui->object->questionTitleExists($this->getId(), $question_gui->object->getTitle() . " ($counter)"))
{
$counter++;
}
$newtitle = $question_gui->object->getTitle() . " ($counter)";
}
$question_gui->object->copyObject($this->getId(), $newtitle);
}
}

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ilObjQuestionPool::copyToClipboard (   $question_id)

Copies a question to the clipboard.

Parameters
integer$question_idObject id of the question private

Definition at line 1139 of file class.ilObjQuestionPool.php.

References $_SESSION.

{
if (!array_key_exists("qpl_clipboard", $_SESSION))
{
$_SESSION["qpl_clipboard"] = array();
}
$_SESSION["qpl_clipboard"][$question_id] = array("question_id" => $question_id, "action" => "copy");
}
ilObjQuestionPool::create (   $a_upload = false)

create questionpool object

Definition at line 41 of file class.ilObjQuestionPool.php.

References ilObject\create(), and ilObject\createMetaData().

{
parent::create();
// meta data will be created by
// import parser
if (!$a_upload)
{
$this->createMetaData();
}
}

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ilObjQuestionPool::createExportDirectory ( )

creates data directory for export files (data_dir/qpl_data/qpl_<id>/export, depending on data directory that is set in ILIAS setup/ini)

Definition at line 726 of file class.ilObjQuestionPool.php.

References ilUtil\getDataDir(), ilObject\getId(), and ilUtil\makeDir().

{
include_once "./Services/Utilities/classes/class.ilUtil.php";
$qpl_data_dir = ilUtil::getDataDir()."/qpl_data";
ilUtil::makeDir($qpl_data_dir);
if(!is_writable($qpl_data_dir))
{
$this->ilias->raiseError("Questionpool Data Directory (".$qpl_data_dir
.") not writeable.",$this->ilias->error_obj->FATAL);
}
// create learning module directory (data_dir/lm_data/lm_<id>)
$qpl_dir = $qpl_data_dir."/qpl_".$this->getId();
ilUtil::makeDir($qpl_dir);
if(!@is_dir($qpl_dir))
{
$this->ilias->raiseError("Creation of Questionpool Directory failed.",$this->ilias->error_obj->FATAL);
}
// create Export subdirectory (data_dir/lm_data/lm_<id>/Export)
$export_dir = $qpl_dir."/export";
ilUtil::makeDir($export_dir);
if(!@is_dir($export_dir))
{
$this->ilias->raiseError("Creation of Export Directory failed.",$this->ilias->error_obj->FATAL);
}
}

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& ilObjQuestionPool::createQuestion (   $question_type,
  $question_id = -1 
)

Definition at line 388 of file class.ilObjQuestionPool.php.

References assQuestion\_includeClass(), and assQuestion\_instanciateQuestionGUI().

Referenced by copyQuestion(), duplicateQuestion(), getDeleteableQuestionDetails(), and toXML().

{
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
if ($question_id > 0) return assQuestion::_instanciateQuestionGUI($question_id);
assQuestion::_includeClass($question_type, 1);
$question_type_gui = $question_type . "GUI";
$question_gui =& new $question_type_gui();
return $question_gui;
}

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ilObjQuestionPool::createReference ( )

Creates a database reference id for the object (saves the object to the database and creates a reference id in the database)

public

Reimplemented from ilObject.

Definition at line 59 of file class.ilObjQuestionPool.php.

References $result, and saveToDb().

{
$result = parent::createReference();
$this->saveToDb();
return $result;
}

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ilObjQuestionPool::delete ( )

delete object and all related data

public

Returns
boolean true if all object data were removed; false if only a references were removed

Reimplemented from ilObject.

Definition at line 120 of file class.ilObjQuestionPool.php.

References ilObject\deleteMetaData(), and deleteQuestionpool().

{
// always call parent delete function first!!
if (!parent::delete())
{
return false;
}
// delete meta data
$this->deleteMetaData();
//put here your module specific stuff
$this->deleteQuestionpool();
return true;
}

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ilObjQuestionPool::deleteQuestion (   $question_id)

Deletes a question from the question pool.

Parameters
integer$question_idThe database id of the question private

Definition at line 244 of file class.ilObjQuestionPool.php.

References ilObjTest\_instanciateQuestion().

Referenced by deleteQuestionpool(), and purgeQuestions().

{
include_once "./Modules/Test/classes/class.ilObjTest.php";
$question =& ilObjTest::_instanciateQuestion($question_id);
$question->delete($question_id);
}

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ilObjQuestionPool::deleteQuestionpool ( )

Definition at line 137 of file class.ilObjQuestionPool.php.

References ilUtil\delDir(), deleteQuestion(), getAllQuestions(), ilUtil\getDataDir(), and ilObject\getId().

Referenced by delete().

{
$questions =& $this->getAllQuestions();
if (count($questions))
{
foreach ($questions as $question_id)
{
$this->deleteQuestion($question_id);
}
}
// delete export files
include_once "./Services/Utilities/classes/class.ilUtil.php";
$qpl_data_dir = ilUtil::getDataDir()."/qpl_data";
$directory = $qpl_data_dir."/qpl_".$this->getId();
if (is_dir($directory))
{
include_once "./Services/Utilities/classes/class.ilUtil.php";
ilUtil::delDir($directory);
}
}

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ilObjQuestionPool::duplicateQuestion (   $question_id)

Duplicates a question for a questionpool.

Parameters
integer$question_idThe database id of the question public

Definition at line 404 of file class.ilObjQuestionPool.php.

References _updateQuestionCount(), createQuestion(), and ilObject\getId().

Referenced by copyQuestion().

{
$question =& $this->createQuestion("", $question_id);
$newtitle = $question->object->getTitle();
if ($question->object->questionTitleExists($this->getId(), $question->object->getTitle()))
{
$counter = 2;
while ($question->object->questionTitleExists($this->getId(), $question->object->getTitle() . " ($counter)"))
{
$counter++;
}
$newtitle = $question->object->getTitle() . " ($counter)";
}
$question->object->duplicate(false, $newtitle);
// update question count of question pool
ilObjQuestionPool::_updateQuestionCount($this->getId());
}

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ilObjQuestionPool::exportFileItems (   $a_target_dir,
&  $expLog 
)

export files of file itmes

Definition at line 708 of file class.ilObjQuestionPool.php.

Referenced by exportPagesXML().

{
include_once("./Modules/File/classes/class.ilObjFile.php");
foreach ($this->file_ids as $file_id)
{
$expLog->write(date("[y-m-d H:i:s] ")."File Item ".$file_id);
$file_obj = new ilObjFile($file_id, false);
$file_obj->export($a_target_dir);
unset($file_obj);
}
}

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ilObjQuestionPool::exportPagesXML ( &  $a_xml_writer,
  $a_inst,
  $a_target_dir,
&  $expLog,
  $questions 
)

export pages of test to xml (see ilias_co.dtd)

Parameters
object$a_xml_writerilXmlWriter object that receives the xml data

Definition at line 553 of file class.ilObjQuestionPool.php.

References $ilBench, exportFileItems(), exportXMLMediaObjects(), exportXMLMetaData(), and exportXMLPageObjects().

{
global $ilBench;
$this->mob_ids = array();
$this->file_ids = array();
$attrs = array();
$attrs["Type"] = "Questionpool_Test";
$a_xml_writer->xmlStartTag("ContentObject", $attrs);
// MetaData
$this->exportXMLMetaData($a_xml_writer);
// PageObjects
$expLog->write(date("[y-m-d H:i:s] ")."Start Export Page Objects");
$ilBench->start("ContentObjectExport", "exportPageObjects");
$this->exportXMLPageObjects($a_xml_writer, $a_inst, $expLog, $questions);
$ilBench->stop("ContentObjectExport", "exportPageObjects");
$expLog->write(date("[y-m-d H:i:s] ")."Finished Export Page Objects");
// MediaObjects
$expLog->write(date("[y-m-d H:i:s] ")."Start Export Media Objects");
$ilBench->start("ContentObjectExport", "exportMediaObjects");
$this->exportXMLMediaObjects($a_xml_writer, $a_inst, $a_target_dir, $expLog);
$ilBench->stop("ContentObjectExport", "exportMediaObjects");
$expLog->write(date("[y-m-d H:i:s] ")."Finished Export Media Objects");
// FileItems
$expLog->write(date("[y-m-d H:i:s] ")."Start Export File Items");
$ilBench->start("ContentObjectExport", "exportFileItems");
$this->exportFileItems($a_target_dir, $expLog);
$ilBench->stop("ContentObjectExport", "exportFileItems");
$expLog->write(date("[y-m-d H:i:s] ")."Finished Export File Items");
$a_xml_writer->xmlEndTag("ContentObject");
}

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ilObjQuestionPool::exportXMLMediaObjects ( &  $a_xml_writer,
  $a_inst,
  $a_target_dir,
&  $expLog 
)

export media objects to xml (see ilias_co.dtd)

Parameters
object$a_xml_writerilXmlWriter object that receives the xml data

Definition at line 687 of file class.ilObjQuestionPool.php.

References ilObjMediaObject\_exists().

Referenced by exportPagesXML().

{
include_once("./Services/MediaObjects/classes/class.ilObjMediaObject.php");
foreach ($this->mob_ids as $mob_id)
{
$expLog->write(date("[y-m-d H:i:s] ")."Media Object ".$mob_id);
if (ilObjMediaObject::_exists($mob_id))
{
$media_obj = new ilObjMediaObject($mob_id);
$media_obj->exportXML($a_xml_writer, $a_inst);
$media_obj->exportFiles($a_target_dir);
unset($media_obj);
}
}
}

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ilObjQuestionPool::exportXMLMetaData ( &  $a_xml_writer)

export content objects meta data to xml (see ilias_co.dtd)

Parameters
object$a_xml_writerilXmlWriter object that receives the xml data

Definition at line 597 of file class.ilObjQuestionPool.php.

References ilObject\getId(), and ilObject\getType().

Referenced by exportPagesXML().

{
include_once("Services/MetaData/classes/class.ilMD2XML.php");
$md2xml = new ilMD2XML($this->getId(), 0, $this->getType());
$md2xml->setExportMode(true);
$md2xml->startExport();
$a_xml_writer->appendXML($md2xml->getXML());
}

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ilObjQuestionPool::exportXMLPageObjects ( &  $a_xml_writer,
  $a_inst,
&  $expLog,
  $questions 
)

export page objects to xml (see ilias_co.dtd)

Parameters
object$a_xml_writerilXmlWriter object that receives the xml data

Definition at line 624 of file class.ilObjQuestionPool.php.

References $ilBench.

Referenced by exportPagesXML().

{
global $ilBench;
include_once "./Modules/LearningModule/classes/class.ilLMPageObject.php";
foreach ($questions as $question_id)
{
$ilBench->start("ContentObjectExport", "exportPageObject");
$expLog->write(date("[y-m-d H:i:s] ")."Page Object ".$question_id);
$attrs = array();
$a_xml_writer->xmlStartTag("PageObject", $attrs);
// export xml to writer object
$ilBench->start("ContentObjectExport", "exportPageObject_XML");
$page_object = new ilPageObject("qpl", $question_id);
$page_object->buildDom();
$page_object->insertInstIntoIDs($a_inst);
$mob_ids = $page_object->collectMediaObjects(false);
$file_ids = $page_object->collectFileItems();
$xml = $page_object->getXMLFromDom(false, false, false, "", true);
$xml = str_replace("&","&amp;", $xml);
$a_xml_writer->appendXML($xml);
$page_object->freeDom();
unset ($page_object);
$ilBench->stop("ContentObjectExport", "exportPageObject_XML");
// collect media objects
$ilBench->start("ContentObjectExport", "exportPageObject_CollectMedia");
//$mob_ids = $page_obj->getMediaObjectIDs();
foreach($mob_ids as $mob_id)
{
$this->mob_ids[$mob_id] = $mob_id;
}
$ilBench->stop("ContentObjectExport", "exportPageObject_CollectMedia");
// collect all file items
$ilBench->start("ContentObjectExport", "exportPageObject_CollectFileItems");
//$file_ids = $page_obj->getFileItemIds();
foreach($file_ids as $file_id)
{
$this->file_ids[$file_id] = $file_id;
}
$ilBench->stop("ContentObjectExport", "exportPageObject_CollectFileItems");
$a_xml_writer->xmlEndTag("PageObject");
//unset($page_obj);
$ilBench->stop("ContentObjectExport", "exportPageObject");
}
}

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& ilObjQuestionPool::getAllQuestionIds ( )

Definition at line 884 of file class.ilObjQuestionPool.php.

References $ilDB, $row, ilObject\getId(), and isPluginActive().

{
global $ilDB;
$query_result = $ilDB->queryF("SELECT question_id, qpl_qst_type.type_tag, qpl_qst_type.plugin FROM qpl_questions, qpl_qst_type WHERE original_id IS NULL AND qpl_questions.tstamp > 0 AND obj_fi = %s AND complete = %s AND qpl_questions.question_type_fi = qpl_qst_type.question_type_id",
array('integer','text'),
array($this->getId(), 1)
);
$questions = array();
if ($query_result->numRows())
{
while ($row = $ilDB->fetchAssoc($query_result))
{
if ($row["plugin"])
{
if ($this->isPluginActive($row["type_tag"]))
{
array_push($questions, $row["question_id"]);
}
}
else
{
array_push($questions, $row["question_id"]);
}
}
}
return $questions;
}

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& ilObjQuestionPool::getAllQuestions ( )

Retrieve an array containing all question ids of the questionpool.

Returns
array An array containing all question ids of the questionpool

Definition at line 868 of file class.ilObjQuestionPool.php.

References $ilDB, $result, $row, and ilObject\getId().

Referenced by deleteQuestionpool().

{
global $ilDB;
$result = $ilDB->queryF("SELECT question_id FROM qpl_questions WHERE obj_fi = %s AND qpl_questions.tstamp > 0 AND original_id IS NULL",
array('integer'),
array($this->getId())
);
$questions = array();
while ($row = $ilDB->fetchAssoc($result))
{
array_push($questions, $row["question_id"]);
}
return $questions;
}

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& ilObjQuestionPool::getDeleteableQuestionDetails (   $question_ids)

Returns an array containing the qpl_question and qpl_qst_type fields of deleteable questions for an array of question ids.

Parameters
array$question_idsAn array containing the question ids
Returns
array An array containing the details of the requested questions public

Definition at line 1220 of file class.ilObjQuestionPool.php.

References $ilDB, $ilLog, $result, $row, assQuestion\_isUsedInRandomTest(), and createQuestion().

{
global $ilDB, $ilLog;
$result = array();
$query_result = $ilDB->query("SELECT qpl_questions.*, qpl_qst_type.type_tag FROM qpl_questions, qpl_qst_type WHERE qpl_questions.question_type_fi = qpl_qst_type.question_type_id AND " . $ilDB->in('qpl_questions.question_id', $question_ids, false, 'integer') . " ORDER BY qpl_questions.title");
if ($query_result->numRows())
{
include_once "./Modules/TestQuestionPool/classes/class.assQuestion.php";
while ($row = $ilDB->fetchAssoc($query_result))
{
if (!assQuestion::_isUsedInRandomTest($row["question_id"]))
{
array_push($result, $row);
}
else
{
// the question was used in a random test prior to ILIAS 3.7 so it was inserted
// as a reference to the original question pool object and not as a copy. To allow
// the deletion of the question pool object, a copy must be created and all database references
// of the original question must changed with the reference of the copy
// 1. Create a copy of the original question
$question =& $this->createQuestion("", $row["question_id"]);
$duplicate_id = $question->object->duplicate(true);
if ($duplicate_id > 0)
{
// 2. replace the question id in the solutions
$affectedRows = $ilDB->manipulateF("UPDATE tst_solutions SET question_fi = %s WHERE question_fi = %s",
array('integer','integer'),
array($duplicate_id, $row["question_id"])
);
// 3. replace the question id in the question list of random tests
$affectedRows = $ilDB->manipulateF("UPDATE tst_test_rnd_qst SET question_fi = %s WHERE question_fi = %s",
array('integer','integer'),
array($duplicate_id, $row["question_id"])
);
// 4. replace the question id in the test results
$affectedRows = $ilDB->manipulateF("UPDATE tst_test_result SET question_fi = %s WHERE question_fi = %s",
array('integer','integer'),
array($duplicate_id, $row["question_id"])
);
// 5. replace the question id in the test&assessment log
$affectedRows = $ilDB->manipulateF("UPDATE ass_log SET question_fi = %s WHERE question_fi = %s",
array('integer','integer'),
array($duplicate_id, $row["question_id"])
);
// 6. The original question can be deleted, so add it to the list of questions
array_push($result, $row);
}
}
}
}
return $result;
}

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ilObjQuestionPool::getDescription ( )

get description of content object

Returns
string description

Reimplemented from ilObject.

Definition at line 338 of file class.ilObjQuestionPool.php.

{
return parent::getDescription();
}
ilObjQuestionPool::getExportDirectory ( )

get export directory of questionpool

Definition at line 756 of file class.ilObjQuestionPool.php.

References ilUtil\getDataDir().

{
include_once "./Services/Utilities/classes/class.ilUtil.php";
$export_dir = ilUtil::getDataDir()."/qpl_data"."/qpl_".$this->getId()."/export";
return $export_dir;
}

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ilObjQuestionPool::getExportFiles (   $dir)

get export files

Definition at line 766 of file class.ilObjQuestionPool.php.

References $dir, and $file.

{
// quit if import dir not available
if (!@is_dir($dir) or
!is_writeable($dir))
{
return array();
}
// open directory
$dir = dir($dir);
// initialize array
$file = array();
// get files and save the in the array
while ($entry = $dir->read())
{
if ($entry != "." and
$entry != ".." and
(substr($entry, -4) == ".zip" or substr($entry, -4) == ".xls") and
ereg("^[0-9]{10}_{2}[0-9]+_{2}(qpl__)*[0-9]+\.(zip|xls)\$", $entry))
{
$file[] = $entry;
}
}
// close import directory
$dir->close();
// sort files
sort ($file);
reset ($file);
return $file;
}
ilObjQuestionPool::getImportDirectory ( )

get import directory of lm

Definition at line 849 of file class.ilObjQuestionPool.php.

References ilUtil\getDataDir().

{
include_once "./Services/Utilities/classes/class.ilUtil.php";
$import_dir = ilUtil::getDataDir()."/qpl_data/qpl_import";
if(@is_dir($import_dir))
{
return $import_dir;
}
else
{
return false;
}
}

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ilObjQuestionPool::getImportMapping ( )

get array of (two) new created questions for import id

Definition at line 917 of file class.ilObjQuestionPool.php.

{
if (!is_array($this->import_mapping))
{
return array();
}
else
{
return $this->import_mapping;
}
}
ilObjQuestionPool::getOnline ( )

Definition at line 1006 of file class.ilObjQuestionPool.php.

References $online.

Referenced by cloneObject(), and saveToDb().

{
if (strcmp($this->online, "") == 0) $this->online = "0";
return $this->online;
}

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& ilObjQuestionPool::getPrintviewQuestions ( )

Calculates the data for the print view of the questionpool.

public

Definition at line 516 of file class.ilObjQuestionPool.php.

References $ilDB, $row, ilObject\getId(), getQuestionTypeTranslations(), and isPluginActive().

{
global $ilDB;
$query_result = $ilDB->queryF("SELECT qpl_questions.*, qpl_qst_type.type_tag, qpl_qst_type.plugin FROM qpl_questions, qpl_qst_type WHERE qpl_questions.original_id IS NULL AND qpl_questions.tstamp > 0 AND qpl_questions.question_type_fi = qpl_qst_type.question_type_id AND qpl_questions.obj_fi = %s",
array('integer'),
array($this->getId())
);
$rows = array();
$types = $this->getQuestionTypeTranslations();
if ($query_result->numRows())
{
while ($row = $ilDB->fetchAssoc($query_result))
{
$row['ttype'] = $types[$row['type_tag']];
if ($row["plugin"])
{
if ($this->isPluginActive($row["type_tag"]))
{
array_push($rows, $row);
}
}
else
{
array_push($rows, $row);
}
}
}print_r($row);
return $rows;
}

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& ilObjQuestionPool::getQplQuestions ( )

Definition at line 1380 of file class.ilObjQuestionPool.php.

References $ilDB, $result, $row, and ilObject\getId().

Referenced by cloneObject().

{
global $ilDB;
$questions = array();
$result = $ilDB->queryF("SELECT qpl_questions.question_id FROM qpl_questions WHERE qpl_questions.original_id IS NULL AND qpl_questions.tstamp > 0 AND qpl_questions.obj_fi = %s",
array('integer'),
array($this->getId())
);
while ($row = $ilDB->fetchAssoc($result))
{
array_push($questions, $row["question_id"]);
}
return $questions;
}

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ilObjQuestionPool::getQuestionBrowserData (   $arrFilter)

Calculates the data for the output of the questionpool.

public

Definition at line 459 of file class.ilObjQuestionPool.php.

References $ilDB, $row, ilObject\getId(), getQuestionTypeTranslations(), and isPluginActive().

{
global $ilUser;
global $ilDB;
$where = "";
if (is_array($arrFilter))
{
if (array_key_exists('title', $arrFilter) && strlen($arrFilter['title']))
{
$where .= " AND " . $ilDB->like('qpl_questions.title', 'text', "%%" . $arrFilter['title'] . "%%");
}
if (array_key_exists('description', $arrFilter) && strlen($arrFilter['description']))
{
$where .= " AND " . $ilDB->like('qpl_questions.description', 'text', "%%" . $arrFilter['description'] . "%%");
}
if (array_key_exists('author', $arrFilter) && strlen($arrFilter['author']))
{
$where .= " AND " . $ilDB->like('qpl_questions.author', 'text', "%%" . $arrFilter['author'] . "%%");
}
if (array_key_exists('type', $arrFilter) && strlen($arrFilter['type']))
{
$where .= " AND qpl_qst_type.type_tag = " . $ilDB->quote($arrFilter['type'], 'text');
}
}
$query_result = $ilDB->queryF("SELECT qpl_questions.*, qpl_qst_type.type_tag, qpl_qst_type.plugin FROM qpl_questions, qpl_qst_type WHERE qpl_questions.original_id IS NULL AND qpl_questions.tstamp > 0 AND qpl_questions.question_type_fi = qpl_qst_type.question_type_id AND qpl_questions.obj_fi = %s" . $where,
array('integer'),
array($this->getId())
);
$types = $this->getQuestionTypeTranslations();
$rows = array();
if ($query_result->numRows())
{
while ($row = $ilDB->fetchAssoc($query_result))
{
$row['ttype'] = $types[$row['type_tag']];
if ($row["plugin"])
{
if ($this->isPluginActive($row["type_tag"]))
{
array_push($rows, $row);
}
}
else
{
array_push($rows, $row);
}
}
}
return $rows;
}

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& ilObjQuestionPool::getQuestionDetails (   $question_ids)

Returns an array containing the qpl_question and qpl_qst_type fields for an array of question ids.

Parameters
array$question_idsAn array containing the question ids
Returns
array An array containing the details of the requested questions public

Definition at line 1196 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and $row.

{
global $ilDB;
$result = array();
$query_result = $ilDB->query("SELECT qpl_questions.*, qpl_qst_type.type_tag FROM qpl_questions, qpl_qst_type WHERE qpl_questions.question_type_fi = qpl_qst_type.question_type_id AND " . $ilDB->in('qpl_questions.question_id', $question_ids, false, 'integer') . " ORDER BY qpl_questions.title");
if ($query_result->numRows())
{
while ($row = $ilDB->fetchAssoc($query_result))
{
array_push($result, $row);
}
}
return $result;
}
& ilObjQuestionPool::getQuestionList ( )

Definition at line 1524 of file class.ilObjQuestionPool.php.

References $ilDB, $result, $row, and ilObject\getId().

{
global $ilDB;
$questions = array();
$result = $ilDB->queryF("SELECT qpl_questions.*, qpl_qst_type.* FROM qpl_questions, qpl_qst_type WHERE qpl_questions.original_id IS NULL AND qpl_questions.obj_fi = %s AND qpl_questions.tstamp > 0 AND qpl_questions.question_type_fi = qpl_qst_type.question_type_id",
array('integer'),
array($this->getId())
);
while ($row = $ilDB->fetchAssoc($result))
{
array_push($questions, $row);
}
return $questions;
}

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ilObjQuestionPool::getQuestiontype (   $question_id)

Returns the question type of a question with a given id.

Parameters
integer$question_idThe database id of the question
Returns
string The question type string private

Definition at line 309 of file class.ilObjQuestionPool.php.

References $data, $ilDB, and $result.

{
global $ilDB;
if ($question_id < 1)
{
return;
}
$result = $ilDB->queryF("SELECT qpl_qst_type.type_tag FROM qpl_questions, qpl_qst_type WHERE qpl_questions.question_type_fi = qpl_qst_type.question_type_id AND qpl_questions.question_id = %s",
array('integer'),
array($question_id)
);
if ($result->numRows() == 1)
{
$data = $ilDB->fetchAssoc($result);
return $data["type_tag"];
}
else
{
return;
}
}
& ilObjQuestionPool::getQuestionTypes (   $all_tags = FALSE)

Definition at line 1424 of file class.ilObjQuestionPool.php.

References _getQuestionTypes().

{
return $this->_getQuestionTypes($all_tags);
}

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& ilObjQuestionPool::getQuestionTypeTranslations ( )

Definition at line 1468 of file class.ilObjQuestionPool.php.

References $ilDB, $ilLog, ilObject\$lng, $result, $row, ilPlugin\getPluginObject(), and IL_COMP_MODULE.

Referenced by getPrintviewQuestions(), and getQuestionBrowserData().

{
global $ilDB;
global $lng;
global $ilLog;
global $ilPluginAdmin;
$lng->loadLanguageModule("assessment");
$result = $ilDB->query("SELECT * FROM qpl_qst_type");
$types = array();
while ($row = $ilDB->fetchAssoc($result))
{
if ($row["plugin"] == 0)
{
$types[$row['type_tag']] = $lng->txt($row["type_tag"]);
}
else
{
$pl_names = $ilPluginAdmin->getActivePluginsForSlot(IL_COMP_MODULE, "TestQuestionPool", "qst");
foreach ($pl_names as $pl_name)
{
$pl = ilPlugin::getPluginObject(IL_COMP_MODULE, "TestQuestionPool", "qst", $pl_name);
if (strcmp($pl->getQuestionType(), $row["type_tag"]) == 0)
{
$types[$row['type_tag']] = $pl->getQuestionTypeTranslation();
}
}
}
}
ksort($types);
return $types;
}

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ilObjQuestionPool::getTitle ( )

get title of glossary object

Returns
string title

Reimplemented from ilObject.

Definition at line 356 of file class.ilObjQuestionPool.php.

Referenced by updateMetaData().

{
return parent::getTitle();
}

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ilObjQuestionPool::ilObjQuestionPool (   $a_id = 0,
  $a_call_by_reference = true 
)

Constructor public.

Parameters
integerreference_id or object_id
booleantreat the id as reference_id (true) or object_id (false)

Definition at line 31 of file class.ilObjQuestionPool.php.

References ilObject\ilObject(), and setOnline().

{
$this->type = "qpl";
$this->ilObject($a_id,$a_call_by_reference);
$this->setOnline(0);
}

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ilObjQuestionPool::initDefaultRoles ( )

If your module does not require any default roles, delete this method (For an example how this method is used, look at ilObjForum)

public

Returns
array object IDs of created local roles.

Reimplemented from ilObject.

Definition at line 167 of file class.ilObjQuestionPool.php.

{
return array();
}
ilObjQuestionPool::isInUse (   $question_id)

Checks whether the question is in use or not.

Parameters
integer$question_idThe question id of the question to be checked
Returns
boolean The number of datasets which are affected by the use of the query. public

Definition at line 376 of file class.ilObjQuestionPool.php.

References $ilDB, $result, and $row.

{
global $ilDB;
$result = $ilDB->queryF("SELECT COUNT(solution_id) solution_count FROM tst_solutions WHERE question_fi = %s",
array('integer'),
array($question_id)
);
$row = $ilDB->fetchAssoc($result);
return $row["solution_count"];
}
ilObjQuestionPool::isPluginActive (   $a_pname)

Checks wheather or not a question plugin with a given name is active.

Parameters
string$a_pnameThe plugin name public

Definition at line 1561 of file class.ilObjQuestionPool.php.

References IL_COMP_MODULE.

Referenced by getAllQuestionIds(), getPrintviewQuestions(), and getQuestionBrowserData().

{
global $ilPluginAdmin;
if ($ilPluginAdmin->isActive(IL_COMP_MODULE, "TestQuestionPool", "qst", $a_pname))
{
return TRUE;
}
else
{
return FALSE;
}
}

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ilObjQuestionPool::loadFromDb ( )

Loads a ilObjQuestionpool object from a database.

public

Definition at line 257 of file class.ilObjQuestionPool.php.

References $ilDB, $result, $row, ilObject\getId(), and setOnline().

Referenced by read().

{
global $ilDB;
$result = $ilDB->queryF("SELECT * FROM qpl_questionpool WHERE obj_fi = %s",
array('integer'),
array($this->getId())
);
if ($result->numRows() == 1)
{
$row = $ilDB->fetchAssoc($result);
$this->setOnline($row["isonline"]);
}
}

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ilObjQuestionPool::modifyExportIdentifier (   $a_tag,
  $a_param,
  $a_value 
)

Definition at line 606 of file class.ilObjQuestionPool.php.

References ilUtil\insertInstIntoID().

{
if ($a_tag == "Identifier" && $a_param == "Entry")
{
include_once "./Services/Utilities/classes/class.ilUtil.php";
$a_value = ilUtil::insertInstIntoID($a_value);
}
return $a_value;
}

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ilObjQuestionPool::moveToClipboard (   $question_id)

Moves a question to the clipboard.

Parameters
integer$question_idObject id of the question private

Definition at line 1154 of file class.ilObjQuestionPool.php.

References $_SESSION.

{
if (!array_key_exists("qpl_clipboard", $_SESSION))
{
$_SESSION["qpl_clipboard"] = array();
}
$_SESSION["qpl_clipboard"][$question_id] = array("question_id" => $question_id, "action" => "move");
}
ilObjQuestionPool::notify (   $a_event,
  $a_ref_id,
  $a_parent_non_rbac_id,
  $a_node_id,
  $a_params = 0 
)

notifys an object about an event occured Based on the event happend, each object may decide how it reacts.

If you are not required to handle any events related to your module, just delete this method. (For an example how this method is used, look at ilObjGroup)

public

Parameters
stringevent
integerreference id of object where the event occured
arraypasses optional parameters if required
Returns
boolean

Reimplemented from ilObject.

Definition at line 185 of file class.ilObjQuestionPool.php.

References $_GET, and ilObject\getType().

{
global $tree;
switch ($a_event)
{
case "link":
//var_dump("<pre>",$a_params,"</pre>");
//echo "Module name ".$this->getRefId()." triggered by link event. Objects linked into target object ref_id: ".$a_ref_id;
//exit;
break;
case "cut":
//echo "Module name ".$this->getRefId()." triggered by cut event. Objects are removed from target object ref_id: ".$a_ref_id;
//exit;
break;
case "copy":
//var_dump("<pre>",$a_params,"</pre>");
//echo "Module name ".$this->getRefId()." triggered by copy event. Objects are copied into target object ref_id: ".$a_ref_id;
//exit;
break;
case "paste":
//echo "Module name ".$this->getRefId()." triggered by paste (cut) event. Objects are pasted into target object ref_id: ".$a_ref_id;
//exit;
break;
case "new":
//echo "Module name ".$this->getRefId()." triggered by paste (new) event. Objects are applied to target object ref_id: ".$a_ref_id;
//exit;
break;
}
// At the beginning of the recursive process it avoids second call of the notify function with the same parameter
if ($a_node_id==$_GET["ref_id"])
{
$parent_obj =& $this->ilias->obj_factory->getInstanceByRefId($a_node_id);
$parent_type = $parent_obj->getType();
if($parent_type == $this->getType())
{
$a_node_id = (int) $tree->getParentId($a_node_id);
}
}
parent::notify($a_event,$a_ref_id,$a_parent_non_rbac_id,$a_node_id,$a_params);
}

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ilObjQuestionPool::pasteFromClipboard ( )

Copies/Moves a question from the clipboard.

private

Definition at line 1082 of file class.ilObjQuestionPool.php.

References $_SESSION, $ilDB, $result, $row, _updateQuestionCount(), copyQuestion(), ilObject\getId(), and ilUtil\makeDirParents().

{
global $ilDB;
if (array_key_exists("qpl_clipboard", $_SESSION))
{
foreach ($_SESSION["qpl_clipboard"] as $question_object)
{
if (strcmp($question_object["action"], "move") == 0)
{
$result = $ilDB->queryF("SELECT obj_fi FROM qpl_questions WHERE question_id = %s",
array('integer'),
array($question_object["question_id"])
);
if ($result->numRows() == 1)
{
$row = $ilDB->fetchAssoc($result);
$source_questionpool = $row["obj_fi"];
// change the questionpool id in the qpl_questions table
$affectedRows = $ilDB->manipulateF("UPDATE qpl_questions SET obj_fi = %s WHERE question_id = %s",
array('integer','integer'),
array($this->getId(), $question_object["question_id"])
);
// move question data to the new target directory
$source_path = CLIENT_WEB_DIR . "/assessment/" . $source_questionpool . "/" . $question_object["question_id"] . "/";
if (@is_dir($source_path))
{
$target_path = CLIENT_WEB_DIR . "/assessment/" . $this->getId() . "/";
if (!@is_dir($target_path))
{
include_once "./Services/Utilities/classes/class.ilUtil.php";
ilUtil::makeDirParents($target_path);
}
@rename($source_path, $target_path . $question_object["question_id"]);
}
// update question count of source question pool
ilObjQuestionPool::_updateQuestionCount($source_questionpool);
}
}
else
{
$this->copyQuestion($question_object["question_id"], $this->getId());
}
}
}
// update question count of question pool
ilObjQuestionPool::_updateQuestionCount($this->getId());
unset($_SESSION["qpl_clipboard"]);
}

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ilObjQuestionPool::purgeQuestions ( )

Definition at line 1577 of file class.ilObjQuestionPool.php.

References $data, $ilDB, $result, and deleteQuestion().

{
global $ilDB, $ilUser;
$result = $ilDB->queryF("SELECT question_id FROM qpl_questions WHERE owner = %s AND tstamp = %s",
array("integer", "integer"),
array($ilUser->getId(), 0)
);
while ($data = $ilDB->fetchAssoc($result))
{
$this->deleteQuestion($data["question_id"]);
}
}

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ilObjQuestionPool::read (   $a_force_db = false)

read object data from db into object

Parameters
booleanpublic

Reimplemented from ilObject.

Definition at line 107 of file class.ilObjQuestionPool.php.

References loadFromDb().

{
parent::read($a_force_db);
$this->loadFromDb();
}

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ilObjQuestionPool::saveToDb ( )

Saves a ilObjQuestionpool object to a database.

public

Definition at line 277 of file class.ilObjQuestionPool.php.

References $ilDB, $result, ilObject\getId(), and getOnline().

Referenced by createReference().

{
global $ilDB;
$result = $ilDB->queryF("SELECT id_questionpool FROM qpl_questionpool WHERE obj_fi = %s",
array('integer'),
array($this->getId())
);
if ($result->numRows() == 1)
{
$result = $ilDB->manipulateF("UPDATE qpl_questionpool SET isonline = %s, tstamp = %s WHERE obj_fi = %s",
array('text','integer','integer'),
array($this->getOnline(), time(), $this->getId())
);
}
else
{
$next_id = $ilDB->nextId('qpl_questionpool');
$result = $ilDB->manipulateF("INSERT INTO qpl_questionpool (id_questionpool, isonline, tstamp, obj_fi) VALUES (%s, %s, %s, %s)",
array('integer','text','integer','integer'),
array($next_id, $this->getOnline(), time(), $this->getId())
);
}
}

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ilObjQuestionPool::setDescription (   $a_description)

set description of content object

Reimplemented from ilObject.

Definition at line 346 of file class.ilObjQuestionPool.php.

{
parent::setDescription($a_description);
}
ilObjQuestionPool::setOnline (   $a_online_status)

Sets the questionpool online status.

Parameters
integer$a_online_statusOnline status of the questionpool
See Also
online User interface

Definition at line 992 of file class.ilObjQuestionPool.php.

Referenced by ilObjQuestionPool(), and loadFromDb().

{
switch ($a_online_status)
{
case 0:
case 1:
$this->online = $a_online_status;
break;
default:
$this->online = 0;
break;
}
}

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ilObjQuestionPool::setTitle (   $a_title)

set title of glossary object

Reimplemented from ilObject.

Definition at line 364 of file class.ilObjQuestionPool.php.

{
parent::setTitle($a_title);
}
ilObjQuestionPool::toXML (   $questions)

Returns a QTI xml representation of a list of questions.

Parameters
array$questionsAn array containing the question ids of the questions
Returns
string The QTI xml representation of the questions public

Definition at line 936 of file class.ilObjQuestionPool.php.

References createQuestion().

{
$xml = "";
// export button was pressed
if (count($questions) > 0)
{
foreach ($questions as $key => $value)
{
$question =& $this->createQuestion("", $value);
$xml .= $question->object->toXML();
}
if (count($questions) > 1)
{
$xml = preg_replace("/<\/questestinterop>\s*<.xml.*?>\s*<questestinterop>/", "", $xml);
}
}
$xml = preg_replace("/(<\?xml[^>]*?>)/", "\\1" . "<!DOCTYPE questestinterop SYSTEM \"ims_qtiasiv1p2p1.dtd\">", $xml);
return $xml;
}

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ilObjQuestionPool::update ( )

update object data

public

Returns
boolean

Reimplemented from ilObject.

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

References updateMetaData().

{
$this->updateMetaData();
if (!parent::update())
{
return false;
}
// put here object specific stuff
return true;
}

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ilObjQuestionPool::updateMetaData ( )

update meta data entry

Reimplemented from ilObject.

Definition at line 85 of file class.ilObjQuestionPool.php.

References ilObject\getId(), getTitle(), and ilObject\getType().

Referenced by update().

{
global $ilUser;
include_once "./Services/MetaData/classes/class.ilMD.php";
$md =& new ilMD($this->getId(), 0, $this->getType());
$md_gen =& $md->getGeneral();
if ($md_gen == false)
{
include_once "./Services/MetaData/classes/class.ilMDCreator.php";
$md_creator = new ilMDCreator($this->getId(),0,$this->getType());
$md_creator->setTitle($this->getTitle());
$md_creator->setTitleLanguage($ilUser->getPref('language'));
$md_creator->create();
}
parent::updateMetaData();
}

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Field Documentation

ilObjQuestionPool::$online

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

Referenced by getOnline().

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