Class for ordering questions. More...

Inheritance diagram for assOrderingQuestion:

Collaboration diagram for assOrderingQuestion:

Public Member Functions

__construct ( $title="", $comment="", $author="", $owner=-1, $question="", $ordering_type=OQ_TERMS)

assOrderingQuestion constructor More...

isComplete ()

Returns true, if a ordering question is complete for use. More...

saveToDb ($original_id="")

Saves a assOrderingQuestion object to a database. More...

loadFromDb ($question_id)

Loads a assOrderingQuestion object from a database. More...

duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)

Duplicates an assOrderingQuestion. More...

copyObject ($target_questionpool_id, $title="")

Copies an assOrderingQuestion object. More...

createNewOriginalFromThisDuplicate ($targetParentId, $targetQuestionTitle="")

duplicateImages ($src_question_id, $src_object_id, $dest_question_id, $dest_object_id)

copyImages ($question_id, $source_questionpool)

setOrderingType ($ordering_type=OQ_TERMS)

Sets the ordering question type. More...

getOrderingType ()

Returns the ordering question type. More...

isOrderingTypeNested ()

isImageOrderingType ()

hasOrderingTypeUploadSupport ()

getOrderingElementListForSolutionOutput ($forceCorrectSolution, $activeId, $passIndex)

getSolutionOrderingElementListForTestOutput (ilAssNestedOrderingElementsInputGUI $inputGUI, $lastPost, $activeId, $pass)

getSolutionOrderingElementList ($indexedSolutionValues)

getShuffledOrderingElementList ()

getOrderingElementList ()

setOrderingElementList ($orderingElementList)

moveAnswerUp ($position)

moveAnswerDown ($position)

getAnswer ($index=0)

Returns the ordering element from the given position. More...

deleteAnswer ($randomIdentifier)

Deletes an answer with a given index. More...

getAnswerCount ()

Returns the number of answers. More...

calculateReachedPoints ($active_id, $pass=null, $authorizedSolution=true, $returndetails=false)

Returns the points, a learner has reached answering the question. More...

calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)

getMaximumPoints ()

Returns the maximum points, a learner can reach answering the question. More...

getEncryptedFilename ($filename)

dropImageFile ($imageFilename)

isImageFileStored ($imageFilename)

isImageReplaced (ilAssOrderingElement $newElement, ilAssOrderingElement $oldElement)

storeImageFile ($uploadFile, $targetFile)

Sets the image file and uploads the image to the object's image directory. More...

handleThumbnailCreation (ilAssOrderingElementList $elementList)

createImageThumbnail (ilAssOrderingElement $element)

validateSolutionSubmit ()

Checks the data to be saved for consistency. More...

saveWorkingData ($active_id, $pass=null, $authorized=true)

Saves the learners input of the question to the database. More...

saveAnswerSpecificDataToDb ()

Saves the answer specific records into a question types answer table. More...

getQuestionType ()

Returns the question type of the question. More...

getAdditionalTableName ()

Returns the name of the additional question data table in the database. More...

getAnswerTableName ()

Returns the name of the answer table in the database. More...

getRTETextWithMediaObjects ()

Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...

getOrderElements ()

Returns the answers array. More...

supportsJavascriptOutput ()

Returns true if the question type supports JavaScript output. More...

supportsNonJsOutput ()

setExportDetailsXLS ($worksheet, $startrow, $active_id, $pass)

{Creates an Excel worksheet for the detailed cumulated results of this question.

Parameters

object	$worksheet	Reference to the parent excel worksheet
object	$startrow	Startrow of the output in the excel worksheet
object	$active_id	Active id of the participant
object	$pass	Test pass

Returns: object

} More...

getThumbGeometry ()

getThumbSize ()

setThumbGeometry ($a_geometry)

getElementHeight ()

setElementHeight ($a_height)

rebuildThumbnails ()

getThumbPrefix ()

toJSON ()

Returns a JSON representation of the question. More...

buildOrderingElementInputGui ()

initOrderingElementAuthoringProperties (ilFormPropertyGUI $formField)

initOrderingElementFormFieldLabels (ilFormPropertyGUI $formField)

buildOrderingTextsInputGui ()

buildOrderingImagesInputGui ()

buildNestedOrderingElementInputGui ()

fetchSolutionListFromSubmittedForm (ilPropertyFormGUI $form)

fetchSolutionListFromFormSubmissionData ($userSolutionPost)

getSolutionListFromPostSubmit ()

getSolutionPostSubmit ()

getLeveledOrdering ()

getOldLeveledOrdering ()

lookupSolutionOrderByRandomid ($a_random_id)

updateLeveledOrdering ($a_index, $a_answer_text, $a_depth)

getOperators ($expression)

Get all available operations for a specific question. More...

getExpressionTypes ()

Get all available expression types for a specific question. More...

getAvailableAnswerOptions ($index=null)

If index is null, the function returns an array with all anwser options Else it returns the specific answer option. More...

buildTestPresentationConfig ()

Get the test question configuration. More...

fetchSolutionSubmit ($formSubmissionDataStructure)

Public Member Functions inherited from assQuestion

__construct ( $title="", $comment="", $author="", $owner=-1, $question="")

assQuestion constructor More...

getShuffler ()

setShuffler (ilArrayElementShuffler $shuffler)

setProcessLocker ($processLocker)

getProcessLocker ()

fromXML (&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)

Receives parameters from a QTI parser and creates a valid ILIAS question object. More...

toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)

Returns a QTI xml representation of the question. More...

isComplete ()

Returns true, if a question is complete for use. More...

questionTitleExists ($questionpool_id, $title)

Returns TRUE if the question title exists in the database. More...

setTitle ($title="")

Sets the title string of the assQuestion object. More...

setId ($id=-1)

Sets the id of the assQuestion object. More...

setTestId ($id=-1)

Sets the test id of the assQuestion object. More...

setComment ($comment="")

Sets the comment string of the assQuestion object. More...

setOutputType ($outputType=OUTPUT_HTML)

Sets the output type. More...

setShuffle ($shuffle=true)

Sets the shuffle flag. More...

setEstimatedWorkingTime ($hour=0, $min=0, $sec=0)

Sets the estimated working time of a question from given hour, minute and second. More...

setEstimatedWorkingTimeFromDurationString ($durationString)

Sets the estimated working time of a question from a given datetime string. More...

keyInArray ($searchkey, $array)

returns TRUE if the key occurs in an array More...

setAuthor ($author="")

Sets the authors name of the assQuestion object. More...

setOwner ($owner="")

Sets the creator/owner ID of the assQuestion object. More...

getTitle ()

Gets the title string of the assQuestion object. More...

getTitleFilenameCompliant ()

returns the object title prepared to be used as a filename More...

getId ()

Gets the id of the assQuestion object. More...

getShuffle ()

Gets the shuffle flag. More...

getTestId ()

Gets the test id of the assQuestion object. More...

getComment ()

Gets the comment string of the assQuestion object. More...

getOutputType ()

Gets the output type. More...

supportsJavascriptOutput ()

Returns true if the question type supports JavaScript output. More...

supportsNonJsOutput ()

requiresJsSwitch ()

getEstimatedWorkingTime ()

Gets the estimated working time of a question. More...

getAuthor ()

Gets the authors name of the assQuestion object. More...

getOwner ()

Gets the creator/owner ID of the assQuestion object. More...

getObjId ()

Get the object id of the container object. More...

setObjId ($obj_id=0)

Set the object id of the container object. More...

setExternalId ($external_id)

getExternalId ()

getSuggestedSolutionOutput ()

& _getSuggestedSolution ($question_id, $subquestion_index=0)

Returns a suggested solution for a given subquestion index. More...

getSuggestedSolutions ()

Return the suggested solutions. More...

getReachedPoints ($active_id, $pass=null)

Returns the points, a learner has reached answering the question This is the fast way to get the points directly from the database. More...

getMaximumPoints ()

Returns the maximum points, a learner can reach answering the question. More...

getAdjustedReachedPoints ($active_id, $pass=null, $authorizedSolution=true)

returns the reached points ... More...

calculateResultsFromSolution ($active_id, $pass=null, $obligationsEnabled=false)

Calculates the question results from a previously saved question solution. More...

persistWorkingState ($active_id, $pass=null, $obligationsEnabled=false, $authorized=true)

persists the working state for current testactive and testpass More...

persistPreviewState (ilAssQuestionPreviewSession $previewSession)

persists the preview state for current user and question More...

validateSolutionSubmit ()

saveWorkingData ($active_id, $pass=null, $authorized=true)

Saves the learners input of the question to the database. More...

moveUploadedMediaFile ($file, $name)

Move an uploaded media file to an public accessible temp dir to present it. More...

getSuggestedSolutionPath ()

Returns the path for a suggested solution. More...

getJavaPath ()

Returns the image path for web accessable images of a question. More...

getImagePath ($question_id=null, $object_id=null)

Returns the image path for web accessable images of a question. More...

buildImagePath ($questionId, $parentObjectId)

getFlashPath ()

Returns the image path for web accessable flash files of a question. More...

getJavaPathWeb ()

Returns the web image path for web accessable java applets of a question. More...

getSuggestedSolutionPathWeb ()

Returns the web path for a suggested solution. More...

getImagePathWeb ()

Returns the web image path for web accessable images of a question. More...

getFlashPathWeb ()

Returns the web image path for web accessable flash applications of a question. More...

getTestOutputSolutions ($activeId, $pass)

getUserSolutionPreferingIntermediate ($active_id, $pass=null)

getSolutionValues ($active_id, $pass=null, $authorized=true)

Loads solutions of a given user from the database an returns it. More...

isInUse ($question_id="")

Checks whether the question is in use or not. More...

isClone ($question_id="")

Checks whether the question is a clone of another question or not. More...

pcArrayShuffle ($array)

Shuffles the values of a given array. More...

getAdditionalTableName ()

Returns the name of the additional question data table in the database. More...

getAnswerTableName ()

Returns the name of the answer table in the database. More...

deleteAnswers ($question_id)

Deletes datasets from answers tables. More...

deleteAdditionalTableData ($question_id)

Deletes datasets from the additional question table in the database. More...

delete ($question_id)

Deletes a question and all materials from the database. More...

getTotalAnswers ()

get total number of answers More...

_getTotalAnswers ($a_q_id)

get number of answers for question id (static) note: do not use $this inside this method More...

copyXHTMLMediaObjectsOfQuestion ($a_q_id)

syncXHTMLMediaObjectsOfQuestion ()

createPageObject ()

create page object of question More...

copyPageOfQuestion ($a_q_id)

getPageOfQuestion ()

setOriginalId ($original_id)

getOriginalId ()

fixSvgToPng ($imageFilenameContainingString)

fixUnavailableSkinImageSources ($html)

loadFromDb ($question_id)

Loads the question from the database. More...

createNewQuestion ($a_create_page=true)

Creates a new question without an owner when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...

saveQuestionDataToDb ($original_id="")

saveToDb ($original_id="")

Saves the question to the database. More...

setNewOriginalId ($newId)

deleteSuggestedSolutions ()

Deletes all suggestes solutions in the database. More...

getSuggestedSolution ($subquestion_index=0)

Returns a suggested solution for a given subquestion index. More...

getSuggestedSolutionTitle ($subquestion_index=0)

Returns the title of a suggested solution at a given subquestion_index. More...

setSuggestedSolution ($solution_id="", $subquestion_index=0, $is_import=false)

Sets a suggested solution for the question. More...

_resolveInternalLink ($internal_link)

_resolveIntLinks ($question_id)

syncWithOriginal ()

createRandomSolution ($test_id, $user_id)

_questionExists ($question_id)

Returns true if the question already exists in the database. More...

_questionExistsInPool ($question_id)

Returns true if the question already exists in the database and is assigned to a question pool. More...

getPoints ()

Returns the maximum available points for the question. More...

setPoints ($a_points)

Sets the maximum available points for the question. More...

getSolutionMaxPass ($active_id)

Returns the maximum pass a users question solution. More...

calculateReachedPoints ($active_id, $pass=null, $authorizedSolution=true, $returndetails=false)

Returns the points, a learner has reached answering the question. More...

deductHintPointsFromReachedPoints (ilAssQuestionPreviewSession $previewSession, $reachedPoints)

calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)

isPreviewSolutionCorrect (ilAssQuestionPreviewSession $previewSession)

adjustReachedPointsByScoringOptions ($points, $active_id, $pass=null)

Adjust the given reached points by checks for all special scoring options in the test container. More...

isHTML ($a_text)

Checks if a given string contains HTML or not. More...

prepareTextareaOutput ($txt_output, $prepare_for_latex_output=false, $omitNl2BrWhenTextArea=false)

Prepares a string for a text area output in tests. More...

QTIMaterialToString ($a_material)

Reads an QTI material tag an creates a text string. More...

addQTIMaterial (&$a_xml_writer, $a_material, $close_material_tag=true, $add_mobs=true)

Creates a QTI material tag from a plain text or xhtml text. More...

buildHashedImageFilename ($plain_image_filename, $unique=false)

getQuestion ()

Gets the question string of the question object. More...

setQuestion ($question="")

Sets the question string of the question object. More...

getQuestionType ()

Returns the question type of the question. More...

getQuestionTypeID ()

Returns the question type of the question. More...

cleanupMediaObjectUsage ()

synchronises appearances of media objects in the question with media object usage table More...

& getInstances ()

Gets all instances of the question. More...

getActiveUserData ($active_id)

Returns the user id and the test id for a given active id. More...

setExportDetailsXLS ($worksheet, $startrow, $active_id, $pass)

Creates an Excel worksheet for the detailed cumulated results of this question. More...

__get ($value)

Object getter. More...

__set ($key, $value)

Object setter. More...

getNrOfTries ()

setNrOfTries ($a_nr_of_tries)

setExportImagePath ($a_path)

formatSAQuestion ($a_q)

Format self assessment question. More...

setPreventRteUsage ($a_val)

Set prevent rte usage. More...

getPreventRteUsage ()

Get prevent rte usage. More...

migrateContentForLearningModule (ilAssSelfAssessmentMigrator $migrator)

setSelfAssessmentEditingMode ($a_selfassessmenteditingmode)

Set Self-Assessment Editing Mode. More...

getSelfAssessmentEditingMode ()

Get Self-Assessment Editing Mode. More...

setDefaultNrOfTries ($a_defaultnroftries)

Set Default Nr of Tries. More...

getDefaultNrOfTries ()

Get Default Nr of Tries. More...

syncSkillAssignments ($srcParentId, $srcQuestionId, $trgParentId, $trgQuestionId)

isAnswered ($active_id, $pass=null)

returns boolean wether the question is answered during test pass or not More...

isAutosaveable ()

getAdditionalContentEditingMode ()

getter for additional content editing mode for this question More...

setAdditionalContentEditingMode ($additinalContentEditingMode)

setter for additional content editing mode for this question More...

isAdditionalContentEditingModePageObject ()

isser for additional "pageobject" content editing mode More...

isValidAdditionalContentEditingMode ($additionalContentEditingMode)

returns the fact wether the passed additional content mode is valid or not More...

getValidAdditionalContentEditingModes ()

getter for valid additional content editing modes More...

addQuestionChangeListener (ilQuestionChangeListener $listener)

getQuestionChangeListeners ()

getHtmlUserSolutionPurifier ()

getHtmlQuestionContentPurifier ()

setLastChange ($lastChange)

getLastChange ()

removeIntermediateSolution ($active_id, $pass)

removeCurrentSolution ($active_id, $pass, $authorized=true)

saveCurrentSolution ($active_id, $pass, $value1, $value2, $authorized=true, $tstamp=null)

updateCurrentSolution ($solutionId, $value1, $value2, $authorized=true)

updateCurrentSolutionsAuthorization ($activeId, $pass, $authorized, $keepTime=false)

setStep ($step)

getStep ()

toJSON ()

duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)

intermediateSolutionExists ($active_id, $pass)

authorizedSolutionExists ($active_id, $pass)

authorizedOrIntermediateSolutionExists ($active_id, $pass)

removeExistingSolutions ($activeId, $pass)

resetUsersAnswer ($activeId, $pass)

removeResultRecord ($activeId, $pass)

fetchValuePairsFromIndexedValues (array $indexedValues)

fetchIndexedValuesFromValuePairs (array $valuePairs)

areObligationsToBeConsidered ()

setObligationsToBeConsidered ($obligationsToBeConsidered)

updateTimestamp ()

getTestPresentationConfig ()

Get the test question configuration (initialised once) More...

Public Member Functions inherited from ilObjQuestionScoringAdjustable

saveAdditionalQuestionDataToDb ()

Saves a record to the question types additional data table. More...

saveAnswerSpecificDataToDb ()

Saves the answer specific records into a question types answer table. More...

Public Member Functions inherited from iQuestionCondition

getOperators ($expression)

Get all available operations for a specific question. More...

getExpressionTypes ()

Get all available expression types for a specific question. More...

getUserQuestionResult ($active_id, $pass)

Get the user solution for a question by active_id and the test pass. More...

getAvailableAnswerOptions ($index=null)

If index is null, the function returns an array with all anwser options Else it returns the specific answer option. More...

Data Fields
const	ORDERING_ELEMENT_FORM_FIELD_POSTVAR = 'order_elems'

const	ORDERING_ELEMENT_FORM_CMD_UPLOAD_IMG = 'uploadElementImage'

const	ORDERING_ELEMENT_FORM_CMD_REMOVE_IMG = 'removeElementImage'

	$ordering_type

	$thumb_geometry = 100

	$element_height

	$old_ordering_depth = array()

	$leveled_ordering = array()

Data Fields inherited from assQuestion
const	IMG_MIME_TYPE_JPG = 'image/jpeg'

const	IMG_MIME_TYPE_PNG = 'image/png'

const	IMG_MIME_TYPE_GIF = 'image/gif'

const	ADDITIONAL_CONTENT_EDITING_MODE_DEFAULT = 'default'
	constant for additional content editing mode "default" More...

const	ADDITIONAL_CONTENT_EDITING_MODE_PAGE_OBJECT = 'pageobject'
	constant for additional content editing mode "pageobject" More...

	$feedbackOBJ = null

	$prevent_rte_usage = false

	$selfassessmenteditingmode = false

	$defaultnroftries = 0

	$questionActionCmd = 'handleQuestionAction'

const	KEY_VALUES_IMPLOSION_SEPARATOR = ':'

Data Fields inherited from iQuestionCondition
const	StringResultExpression = '~TEXT~'

const	PercentageResultExpression = '%n%'

const	NumericResultExpression = '#n#'

const	MatchingResultExpression = ';n:m;'

const	OrderingResultExpression = '$n,m,o,p$'

const	NumberOfResultExpression = '+n+'

const	ExclusiveResultExpression = 'n,m,o,p'

const	EmptyAnswerExpression = "?"

Protected Member Functions

duplicateOrderlingElementList ()

getSolutionValuePairBrandedOrderingElementByRandomIdentifier ($value1, $value2)

getSolutionValuePairBrandedOrderingElementBySolutionIdentifier ($value1, $value2)

cleanImagefiles ()

savePreviewData (ilAssQuestionPreviewSession $previewSession)

reworkWorkingData ($active_id, $pass, $obligationsAnswered, $authorized)

{Reworks the allready saved working data if neccessary.

Parameters

integer	$active_id
integer	$pass
boolean	$obligationsAnswered
boolean	$authorized

} More...

generateThumbForFile ($path, $file)

calculateReachedPointsForSolution (ilAssOrderingElementList $solutionOrderingElementList)

afterSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)

{} More...

ensureImagePathExists ()

buildOrderingElementFormDataConverter ()

buildOrderingImagesFormDataConverter ()

buildOrderingTextsFormDataConverter ()

buildNestedOrderingFormDataConverter ()

Protected Member Functions inherited from assQuestion

getQuestionAction ()

isNonEmptyItemListPostSubmission ($postSubmissionFieldname)

ensureCurrentTestPass ($active_id, $pass)

lookupCurrentTestPass ($active_id, $pass)

lookupTestId ($active_id)

log ($active_id, $langVar)

reworkWorkingData ($active_id, $pass, $obligationsAnswered, $authorized)

Reworks the allready saved working data if neccessary. More...

savePreviewData (ilAssQuestionPreviewSession $previewSession)

deletePageOfQuestion ($question_id)

Deletes the page object of a question with a given ID. More...

onDuplicate ($originalParentId, $originalQuestionId, $duplicateParentId, $duplicateQuestionId)

Will be called when a question is duplicated (inside a question pool or for insertion in a test) More...

beforeSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)

afterSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)

onCopy ($sourceParentId, $sourceQuestionId, $targetParentId, $targetQuestionId)

Will be called when a question is copied (into another question pool) More...

duplicateSuggestedSolutionFiles ($parent_id, $question_id)

Duplicates the files of a suggested solution if the question is duplicated. More...

syncSuggestedSolutionFiles ($original_id)

Syncs the files of a suggested solution if the question is synced. More...

copySuggestedSolutionFiles ($source_questionpool_id, $source_question_id)

ensureNonNegativePoints ($points)

getRTETextWithMediaObjects ()

Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...

getSelfAssessmentFormatter ()

lmMigrateQuestionTypeGenericContent (ilAssSelfAssessmentMigrator $migrator)

lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)

duplicateQuestionHints ($originalQuestionId, $duplicateQuestionId)

duplicateSkillAssignments ($srcParentId, $srcQuestionId, $trgParentId, $trgQuestionId)

buildQuestionDataQuery ()

getCurrentSolutionResultSet ($active_id, $pass, $authorized=true)

Get a restulset for the current user solution for a this question by active_id and pass. More...

removeSolutionRecordById ($solutionId)

getSolutionRecordById ($solutionId)

deleteDummySolutionRecord ($activeId, $passIndex)

deleteSolutionRecordByValues ($activeId, $passIndex, $authorized, $matchValues)

duplicateIntermediateSolutionAuthorized ($activeId, $passIndex)

forceExistingIntermediateSolution ($activeId, $passIndex, $considerDummyRecordCreation)

buildTestPresentationConfig ()

build basic test question configuration instance More...

Protected Attributes
	$orderingElementList

Protected Attributes inherited from assQuestion
	$id

	$title

	$comment

	$owner

	$author

	$question

	$points

	$est_working_time

	$shuffle

	$test_id

	$obj_id

	$ilias

	$tpl

	$lng

	$db

	$outputType = OUTPUT_JAVASCRIPT

	$suggested_solutions

	$original_id

	$page

	$external_id = ''

	$questionChangeListeners = array()

	$processLocker

	$step = null

	$lastChange

	$shuffler

	$testQuestionConfig

Private Attributes
	$postSolutionOrderingElementList = null

Additional Inherited Members
Static Public Member Functions inherited from assQuestion
static	setForcePassResultUpdateEnabled ($forcePassResultsUpdateEnabled)

static	isForcePassResultUpdateEnabled ()

static	isAllowedImageMimeType ($mimeType)

static	fetchMimeTypeIdentifier ($contentTypeString)

static	getAllowedFileExtensionsForMimeType ($mimeType)

static	isAllowedImageFileExtension ($mimeType, $fileExtension)

static	getAllowedImageMaterialFileExtensions ()

static	_getMaximumPoints ($question_id)
	Returns the maximum points, a learner can reach answering the question. More...

static	_getQuestionInfo ($question_id)
	Returns question information from the database. More...

static	_getSuggestedSolutionCount ($question_id)
	Returns the number of suggested solutions associated with a question. More...

static	_getSuggestedSolutionOutput ($question_id)
	Returns the output of the suggested solution. More...

static	_getReachedPoints ($active_id, $question_id, $pass=null)
	Returns the points, a learner has reached answering the question. More...

static	_updateTestResultCache ($active_id, ilAssQuestionProcessLocker $processLocker=null)
	@TODO Move this to a proper place. More...

static	logAction ($logtext="", $active_id="", $question_id="")
	Logs an action into the Test&Assessment log. More...

static	getQuestionTypeFromDb ($question_id)
	get question type for question id More...

static	_getTotalRightAnswers ($a_q_id)
	get number of answers for question id (static) note: do not use $this inside this method More...

static	_getTitle ($a_q_id)
	Returns the title of a question. More...

static	_getQuestionText ($a_q_id)
	Returns question text. More...

static	isFileAvailable ($file)

static	_getQuestionType ($question_id)
	Returns the question type of a question with a given id. More...

static	_getQuestionTitle ($question_id)
	Returns the question title of a question with a given id. More...

static	saveOriginalId ($questionId, $originalId)

static	resetOriginalId ($questionId)

static	_getInternalLinkHref ($target="")

static	_getOriginalId ($question_id)
	Returns the original id of a question. More...

static	originalQuestionExists ($questionId)

static	_instanciateQuestion ($question_id)
	Creates an instance of a question with a given question id. More...

static	_instantiateQuestion ($question_id)

static	_getSolutionMaxPass ($question_id, $active_id)
	Returns the maximum pass a users question solution. More...

static	_isWriteable ($question_id, $user_id)
	Returns true if the question is writeable by a certain user. More...

static	_isUsedInRandomTest ($question_id="")
	Checks whether the question is used in a random test or not. More...

static	_isWorkedThrough ($active_id, $question_id, $pass=null)
	Returns true if the question was worked through in the given pass Worked through means that the user entered at least one value. More...

static	_areAnswered ($a_user_id, $a_question_ids)
	Checks if an array of question ids is answered by an user or not. More...

static	_setReachedPoints ($active_id, $question_id, $points, $maxpoints, $pass, $manualscoring, $obligationsEnabled)
	Sets the points, a learner has reached answering the question Additionally objective results are updated. More...

static	_needsManualScoring ($question_id)

static	_includeClass ($question_type, $gui=0)
	Include the php class file for a given question type. More...

static	getGuiClassNameByQuestionType ($questionType)

static	getObjectClassNameByQuestionType ($questionType)

static	getFeedbackClassNameByQuestionType ($questionType)

static	isCoreQuestionType ($questionType)

static	includeCoreClass ($questionType, $withGuiClass)

static	includePluginClass ($questionType, $withGuiClass)

static	_getQuestionTypeName ($type_tag)
	Return the translation for a given question type tag. More...

static &	_instanciateQuestionGUI ($question_id)
	Creates an instance of a question gui with a given question id. More...

static	instantiateQuestionGUI ($a_question_id)
	Creates an instance of a question gui with a given question id. More...

static	_questionExistsInTest ($question_id, $test_id)

static	lookupParentObjId ($questionId)
	@global ilDBInterface $ilDB More...

static	lookupOriginalParentObjId ($originalQuestionId)
	returns the parent object id for given original question id (should be a qpl id, but theoretically it can be a tst id, too) More...

static	isObligationPossible ($questionId)
	returns boolean wether it is possible to set this question type as obligatory or not considering the current question configuration More...

static	implodeKeyValues ($keyValues)

static	explodeKeyValues ($keyValues)

static	setResultGateway ($resultGateway)

static	getResultGateway ()

static	sumTimesInISO8601FormatH_i_s_Extended ($time1, $time2)

static	convertISO8601FormatH_i_s_ExtendedToSeconds ($time)

static	missingResultRecordExists ($activeId, $pass, $questionIds)

static	getQuestionsMissingResultRecord ($activeId, $pass, $questionIds)

static	lookupResultRecordExist ($activeId, $questionId, $pass)

Static Protected Member Functions inherited from assQuestion
static	getNumExistingSolutionRecords ($activeId, $pass, $questionId)
	returns the number of existing solution records for the given test active / pass and given question id More...

static	getKeyValuesImplosionSeparator ()

Static Protected Attributes inherited from assQuestion
static	$allowedFileExtensionsByMimeType

static	$allowedCharsetsByMimeType

static	$allowedImageMaterialFileExtensionsByMimeType

static	$forcePassResultsUpdateEnabled = false

static	$imageSourceFixReplaceMap

Detailed Description

Class for ordering questions.

assOrderingQuestion is a class for ordering questions.

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m; Björn Heyser bheys.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de; Maximilian Becker mbeck.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de

Version: $Id$

Definition at line 26 of file class.assOrderingQuestion.php.

Constructor & Destructor Documentation

◆ __construct()

assOrderingQuestion::__construct	(	$title = `""`,
		$comment = `""`,
		$author = `""`,
		$owner = `-1`,
		$question = `""`,
		$ordering_type = `OQ_TERMS`
	)

assOrderingQuestion constructor

The constructor takes possible arguments an creates an instance of the assOrderingQuestion object.

Parameters

string	$title	A title string to describe the question
string	$comment	A comment string to describe the question
string	$author	A string containing the name of the questions author
integer	$owner	A numerical ID to identify the owner/creator
string	$question	The question string of the ordering test
int	$ordering_type

Definition at line 77 of file class.assOrderingQuestion.php.

      {
        parent::__construct($title, $comment, $author, $owner, $question);
        $this->orderingElementList = new ilAssOrderingElementList();
        $this->ordering_type = $ordering_type;
    }

References assQuestion\$author, assQuestion\$comment, $ordering_type, assQuestion\$owner, assQuestion\$question, and assQuestion\$title.

Member Function Documentation

◆ afterSyncWithOriginal()

assOrderingQuestion::afterSyncWithOriginal	(	$origQuestionId,
		$dupQuestionId,
		$origParentObjId,
		$dupParentObjId
	)

protected

{}

Reimplemented from assQuestion.

Definition at line 1560 of file class.assOrderingQuestion.php.

    {
        parent::afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId);
        $this->duplicateImages($dupQuestionId, $dupParentObjId, $origQuestionId, $origParentObjId);
    }

References duplicateImages().

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◆ buildNestedOrderingElementInputGui()

assOrderingQuestion::buildNestedOrderingElementInputGui ( )

Returns: ilAssNestedOrderingElementsInputGUI

Definition at line 1275 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildNestedOrderingFormDataConverter();
        
        require_once 'Modules/TestQuestionPool/classes/forms/class.ilAssNestedOrderingElementsInputGUI.php';
        
        $orderingElementInput = new ilAssNestedOrderingElementsInputGUI(
            $formDataConverter,
            self::ORDERING_ELEMENT_FORM_FIELD_POSTVAR
        );
        
        $orderingElementInput->setUniquePrefix($this->getId());
        $orderingElementInput->setOrderingType($this->getOrderingType());
        $orderingElementInput->setElementImagePath($this->getImagePathWeb());
        $orderingElementInput->setThumbPrefix($this->getThumbPrefix());
        
        $this->initOrderingElementFormFieldLabels($orderingElementInput);
        
        return $orderingElementInput;
    }

References buildNestedOrderingFormDataConverter(), assQuestion\getId(), assQuestion\getImagePathWeb(), getOrderingType(), getThumbPrefix(), and initOrderingElementFormFieldLabels().

Referenced by buildOrderingElementInputGui(), and fetchSolutionListFromFormSubmissionData().

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◆ buildNestedOrderingFormDataConverter()

assOrderingQuestion::buildNestedOrderingFormDataConverter ( )

protected

Returns: ilAssOrderingFormValuesObjectsConverter

Definition at line 1689 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildOrderingElementFormDataConverter();
        $formDataConverter->setContext(ilAssOrderingFormValuesObjectsConverter::CONTEXT_MAINTAIN_HIERARCHY);
        
        if ($this->getOrderingType() == OQ_NESTED_PICTURES) {
            $formDataConverter->setImageRemovalCommand(self::ORDERING_ELEMENT_FORM_CMD_REMOVE_IMG);
            $formDataConverter->setImageUrlPath($this->getImagePathWeb());
            
            if ($this->getThumbSize() && $this->getThumbPrefix()) {
                $formDataConverter->setThumbnailPrefix($this->getThumbPrefix());
            }
        }
        
        return $formDataConverter;
    }

References buildOrderingElementFormDataConverter(), ilAssOrderingFormValuesObjectsConverter\CONTEXT_MAINTAIN_HIERARCHY, assQuestion\getImagePathWeb(), getOrderingType(), getThumbPrefix(), getThumbSize(), and OQ_NESTED_PICTURES.

Referenced by buildNestedOrderingElementInputGui().

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◆ buildOrderingElementFormDataConverter()

assOrderingQuestion::buildOrderingElementFormDataConverter ( )

protected

Returns: ilAssOrderingFormValuesObjectsConverter

Definition at line 1649 of file class.assOrderingQuestion.php.

    {
        require_once 'Modules/TestQuestionPool/classes/forms/class.ilAssOrderingFormValuesObjectsConverter.php';
        $converter = new ilAssOrderingFormValuesObjectsConverter();
        $converter->setPostVar(self::ORDERING_ELEMENT_FORM_FIELD_POSTVAR);
        
        return $converter;
    }

Referenced by buildNestedOrderingFormDataConverter(), buildOrderingImagesFormDataConverter(), and buildOrderingTextsFormDataConverter().

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◆ buildOrderingElementInputGui()

assOrderingQuestion::buildOrderingElementInputGui ( )

Returns: ilAssNestedOrderingElementsInputGUI|ilAssOrderingImagesInputGUI|ilAssOrderingTextsInputGUI

Exceptions

ilTestQuestionPoolException

Definition at line 1178 of file class.assOrderingQuestion.php.

    {
        switch ($this->getOrderingType()) {
            case OQ_TERMS:
                
                return $this->buildOrderingTextsInputGui();
                
            case OQ_PICTURES:
                
                return $this->buildOrderingImagesInputGui();
            
            case OQ_NESTED_TERMS:
            case OQ_NESTED_PICTURES:
                
                return $this->buildNestedOrderingElementInputGui();
                
            default:
                throw new ilTestQuestionPoolException('unknown ordering mode');
        }
    }

References buildNestedOrderingElementInputGui(), buildOrderingImagesInputGui(), buildOrderingTextsInputGui(), getOrderingType(), OQ_NESTED_PICTURES, OQ_NESTED_TERMS, OQ_PICTURES, and OQ_TERMS.

Referenced by ilAssOrderingQuestionAuthoringFormGUI\renewOrderingElementInput().

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◆ buildOrderingImagesFormDataConverter()

assOrderingQuestion::buildOrderingImagesFormDataConverter ( )

protected

Returns: ilAssOrderingFormValuesObjectsConverter

Definition at line 1661 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildOrderingElementFormDataConverter();
        $formDataConverter->setContext(ilAssOrderingFormValuesObjectsConverter::CONTEXT_MAINTAIN_ELEMENT_IMAGE);
        
        $formDataConverter->setImageRemovalCommand(self::ORDERING_ELEMENT_FORM_CMD_REMOVE_IMG);
        $formDataConverter->setImageUrlPath($this->getImagePathWeb());
        $formDataConverter->setImageFsPath($this->getImagePath());
        
        if ($this->getThumbSize() && $this->getThumbPrefix()) {
            $formDataConverter->setThumbnailPrefix($this->getThumbPrefix());
        }
        return $formDataConverter;
    }

References buildOrderingElementFormDataConverter(), ilAssOrderingFormValuesObjectsConverter\CONTEXT_MAINTAIN_ELEMENT_IMAGE, assQuestion\getImagePath(), assQuestion\getImagePathWeb(), getThumbPrefix(), and getThumbSize().

Referenced by buildOrderingImagesInputGui().

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◆ buildOrderingImagesInputGui()

assOrderingQuestion::buildOrderingImagesInputGui ( )

Returns: ilAssOrderingImagesInputGUI

Definition at line 1253 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildOrderingImagesFormDataConverter();
        
        require_once 'Modules/TestQuestionPool/classes/forms/class.ilAssOrderingImagesInputGUI.php';
        
        $orderingElementInput = new ilAssOrderingImagesInputGUI(
            $formDataConverter,
            self::ORDERING_ELEMENT_FORM_FIELD_POSTVAR
        );
        
        $orderingElementInput->setImageRemovalCommand(self::ORDERING_ELEMENT_FORM_CMD_REMOVE_IMG);
        $orderingElementInput->setImageUploadCommand(self::ORDERING_ELEMENT_FORM_CMD_UPLOAD_IMG);
        
        $this->initOrderingElementFormFieldLabels($orderingElementInput);
        
        return $orderingElementInput;
    }

References buildOrderingImagesFormDataConverter(), and initOrderingElementFormFieldLabels().

Referenced by buildOrderingElementInputGui().

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◆ buildOrderingTextsFormDataConverter()

assOrderingQuestion::buildOrderingTextsFormDataConverter ( )

protected

Returns: ilAssOrderingFormValuesObjectsConverter

Definition at line 1679 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildOrderingElementFormDataConverter();
        $formDataConverter->setContext(ilAssOrderingFormValuesObjectsConverter::CONTEXT_MAINTAIN_ELEMENT_TEXT);
        return $formDataConverter;
    }

References buildOrderingElementFormDataConverter(), and ilAssOrderingFormValuesObjectsConverter\CONTEXT_MAINTAIN_ELEMENT_TEXT.

Referenced by buildOrderingTextsInputGui().

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◆ buildOrderingTextsInputGui()

assOrderingQuestion::buildOrderingTextsInputGui ( )

Returns: ilAssOrderingTextsInputGUI

Definition at line 1234 of file class.assOrderingQuestion.php.

    {
        $formDataConverter = $this->buildOrderingTextsFormDataConverter();
        
        require_once 'Modules/TestQuestionPool/classes/forms/class.ilAssOrderingTextsInputGUI.php';
        
        $orderingElementInput = new ilAssOrderingTextsInputGUI(
            $formDataConverter,
            self::ORDERING_ELEMENT_FORM_FIELD_POSTVAR
        );
        
        $this->initOrderingElementFormFieldLabels($orderingElementInput);
        
        return $orderingElementInput;
    }

References buildOrderingTextsFormDataConverter(), and initOrderingElementFormFieldLabels().

Referenced by buildOrderingElementInputGui().

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◆ buildTestPresentationConfig()

assOrderingQuestion::buildTestPresentationConfig ( )

Get the test question configuration.

Returns: ilTestQuestionConfig

Reimplemented from assQuestion.

Definition at line 1572 of file class.assOrderingQuestion.php.

    {
        // hey: refactored identifiers
        return parent::buildTestPresentationConfig()
        // hey.
            ->setIsUnchangedAnswerPossible(true)
            ->setUseUnchangedAnswerLabel($this->lng->txt('tst_unchanged_order_is_correct'));
    }

◆ calculateReachedPoints()

assOrderingQuestion::calculateReachedPoints	(	$active_id,
		$pass = `null`,
		$authorizedSolution = `true`,
		$returndetails = `false`
	)

Returns the points, a learner has reached answering the question.

The points are calculated from the given answers.

@access public

Parameters

integer	$active_id
integer	$pass
boolean	$returndetails	(deprecated !!)

Returns: integer/array $points/$details (array $details is deprecated !!)

Reimplemented from assQuestion.

Definition at line 655 of file class.assOrderingQuestion.php.

    {
        if ($returndetails) {
            throw new ilTestException('return details not implemented for ' . __METHOD__);
        }
        
        if (is_null($pass)) {
            $pass = $this->getSolutionMaxPass($active_id);
        }
        
        $solutionValuePairs = $this->getSolutionValues($active_id, $pass, $authorizedSolution);
        
        if (!count($solutionValuePairs)) {
            return 0;
        }
        
        $indexedSolutionValues = $this->fetchIndexedValuesFromValuePairs($solutionValuePairs);
        $solutionOrderingElementList = $this->getSolutionOrderingElementList($indexedSolutionValues);
        
        return $this->calculateReachedPointsForSolution($solutionOrderingElementList);
    }

References $pass, calculateReachedPointsForSolution(), assQuestion\fetchIndexedValuesFromValuePairs(), assQuestion\getSolutionMaxPass(), getSolutionOrderingElementList(), and assQuestion\getSolutionValues().

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◆ calculateReachedPointsForSolution()

assOrderingQuestion::calculateReachedPointsForSolution ( ilAssOrderingElementList $solutionOrderingElementList )

protected

Parameters

$user_order
$nested_solution

Returns: int

Definition at line 1374 of file class.assOrderingQuestion.php.

    {
        $reachedPoints = $this->getPoints();
 
        foreach ($this->getOrderingElementList() as $correctElement) {
            $userElement = $solutionOrderingElementList->getElementByPosition($correctElement->getPosition());
            
            if (!$correctElement->isSameElement($userElement)) {
                $reachedPoints = 0;
                break;
            }
        }
        
        return $reachedPoints;
    }

References ilAssOrderingElementList\getElementByPosition(), getOrderingElementList(), and assQuestion\getPoints().

Referenced by calculateReachedPoints(), and calculateReachedPointsFromPreviewSession().

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◆ calculateReachedPointsFromPreviewSession()

assOrderingQuestion::calculateReachedPointsFromPreviewSession ( ilAssQuestionPreviewSession $previewSession )

Reimplemented from assQuestion.

Definition at line 677 of file class.assOrderingQuestion.php.

    {
        if (!$previewSession->hasParticipantSolution()) {
            return 0;
        }
        
        $solutionOrderingElementList = unserialize(
            $previewSession->getParticipantsSolution()
        );
        
        $reachedPoints = $this->calculateReachedPointsForSolution($solutionOrderingElementList);
        $reachedPoints = $this->deductHintPointsFromReachedPoints($previewSession, $reachedPoints);
        
        return $this->ensureNonNegativePoints($reachedPoints);
    }

References calculateReachedPointsForSolution(), assQuestion\deductHintPointsFromReachedPoints(), assQuestion\ensureNonNegativePoints(), ilAssQuestionPreviewSession\getParticipantsSolution(), and ilAssQuestionPreviewSession\hasParticipantSolution().

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◆ cleanImagefiles()

assOrderingQuestion::cleanImagefiles ( )

protected

Definition at line 721 of file class.assOrderingQuestion.php.

    {
        if ($this->getOrderingType() == OQ_PICTURES) {
            if (@file_exists($this->getImagePath())) {
                $contents = ilUtil::getDir($this->getImagePath());
                foreach ($contents as $f) {
                    if (strcmp($f['type'], 'file') == 0) {
                        $found = false;
                        foreach ($this->getOrderingElementList() as $orderElement) {
                            if (strcmp($f['entry'], $orderElement->getContent()) == 0) {
                                $found = true;
                            }
                            if (strcmp($f['entry'], $this->getThumbPrefix() . $orderElement->getContent()) == 0) {
                                $found = true;
                            }
                        }
                        if (!$found) {
                            if (@file_exists($this->getImagePath() . $f['entry'])) {
                                @unlink($this->getImagePath() . $f['entry']);
                            }
                        }
                    }
                }
            }
        } else {
            if (@file_exists($this->getImagePath())) {
                ilUtil::delDir($this->getImagePath());
            }
        }
    }

References $contents, ilUtil\delDir(), ilUtil\getDir(), assQuestion\getImagePath(), getOrderingElementList(), getOrderingType(), getThumbPrefix(), and OQ_PICTURES.

Referenced by saveAnswerSpecificDataToDb().

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◆ copyImages()

assOrderingQuestion::copyImages	(	$question_id,
		$source_questionpool
	)

Deprecated:: (!) simply use the working method duplicateImages(), we do not search the difference here and we will delete this soon (!) currently no usage found, remove for il5.3

Definition at line 343 of file class.assOrderingQuestion.php.

    {
        global $ilLog;
        if ($this->getOrderingType() == OQ_PICTURES) {
            $imagepath = $this->getImagePath();
            $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
            $imagepath_original = str_replace("/$this->obj_id/", "/$source_questionpool/", $imagepath_original);
            if (!file_exists($imagepath)) {
                ilUtil::makeDirParents($imagepath);
            }
            foreach ($this->getOrderingElementList() as $element) {
                $filename = $element->getContent();
                if (!@copy($imagepath_original . $filename, $imagepath . $filename)) {
                    $ilLog->write("Ordering Question image could not be copied: ${imagepath_original}${filename}");
                }
                if (@file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
                    if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
                        $ilLog->write("Ordering Question image thumbnail could not be copied: $imagepath_original" . $this->getThumbPrefix() . $filename);
                    }
                }
            }
        }
    }

References $filename, $ilLog, assQuestion\getImagePath(), getOrderingElementList(), getOrderingType(), getThumbPrefix(), ilUtil\makeDirParents(), and OQ_PICTURES.

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◆ copyObject()

assOrderingQuestion::copyObject	(	$target_questionpool_id,
		$title = `""`
	)

Copies an assOrderingQuestion object.

@access public

Definition at line 248 of file class.assOrderingQuestion.php.

    {
        if ($this->id <= 0) {
            // The question has not been saved. It cannot be duplicated
            return;
        }
        // duplicate the question in database
        $clone = $this;
        include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
        $original_id = assQuestion::_getOriginalId($this->id);
        $clone->id = -1;
        $source_questionpool_id = $this->getObjId();
        $clone->setObjId($target_questionpool_id);
        if ($title) {
            $clone->setTitle($title);
        }
        
        $clone->saveToDb();
 
        // copy question page content
        $clone->copyPageOfQuestion($original_id);
        // copy XHTML media objects
        $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
        // duplicate the image
        $clone->duplicateImages($original_id, $source_questionpool_id, $clone->getId(), $target_questionpool_id);
        
        $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
        
        return $clone->id;
    }

References assQuestion\$original_id, assQuestion\$title, assQuestion\_getOriginalId(), and assQuestion\getObjId().

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◆ createImageThumbnail()

assOrderingQuestion::createImageThumbnail ( ilAssOrderingElement $element )

Definition at line 828 of file class.assOrderingQuestion.php.

    {
        if ($this->getThumbGeometry()) {
            $imageFile = $this->getImagePath() . $element->getContent();
            $thumbFile = $this->getImagePath() . $this->getThumbPrefix() . $element->getContent();
            
            ilUtil::convertImage($imageFile, $thumbFile, "JPEG", $this->getThumbGeometry());
        }
    }

References ilUtil\convertImage(), ilAssOrderingElement\getContent(), assQuestion\getImagePath(), getThumbGeometry(), and getThumbPrefix().

Referenced by handleThumbnailCreation().

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◆ createNewOriginalFromThisDuplicate()

assOrderingQuestion::createNewOriginalFromThisDuplicate	(	$targetParentId,
		$targetQuestionTitle = `""`
	)

Definition at line 279 of file class.assOrderingQuestion.php.

    {
        if ($this->id <= 0) {
            // The question has not been saved. It cannot be duplicated
            return;
        }
 
        include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
 
        $sourceQuestionId = $this->id;
        $sourceParentId = $this->getObjId();
 
        // duplicate the question in database
        $clone = $this;
        $clone->id = -1;
 
        $clone->setObjId($targetParentId);
 
        if ($targetQuestionTitle) {
            $clone->setTitle($targetQuestionTitle);
        }
 
        $clone->saveToDb();
        // copy question page content
        $clone->copyPageOfQuestion($sourceQuestionId);
        // copy XHTML media objects
        $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
        // duplicate the image
        $clone->duplicateImages($sourceQuestionId, $sourceParentId, $clone->getId(), $clone->getObjId());
 
        $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
 
        return $clone->id;
    }

References assQuestion\$id, and assQuestion\getObjId().

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◆ deleteAnswer()

assOrderingQuestion::deleteAnswer ( $randomIdentifier )

Deletes an answer with a given index.

The index of the first answer is 0, the index of the second answer is 1 and so on.

Parameters

integer $index A nonnegative index of the n-th answer @access public

See also: $answers

Definition at line 625 of file class.assOrderingQuestion.php.

    {
        $this->getOrderingElementList()->removeElement(
            $this->getOrderingElementList()->getElementByRandomIdentifier($randomIdentifier)
        );
        $this->getOrderingElementList()->saveToDb();
    }

References getOrderingElementList().

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◆ dropImageFile()

assOrderingQuestion::dropImageFile ( $imageFilename )

Definition at line 758 of file class.assOrderingQuestion.php.

    {
        if (!strlen($imageFilename)) {
            return false;
        }
        
        $result = @unlink($this->getImagePath() . $imageFilename);
        $result = $result & @unlink($this->getImagePath() . $this->getThumbPrefix() . $imageFilename);
        
        return $result;
    }

References $result, assQuestion\getImagePath(), and getThumbPrefix().

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◆ duplicate()

assOrderingQuestion::duplicate	(	$for_test = `true`,
		$title = `""`,
		$author = `""`,
		$owner = `""`,
		$testObjId = `null`
	)

Duplicates an assOrderingQuestion.

@access public

Reimplemented from assQuestion.

Definition at line 188 of file class.assOrderingQuestion.php.

    {
        if ($this->id <= 0) {
            // The question has not been saved. It cannot be duplicated
            return;
        }
        // duplicate the question in database
        $this_id = $this->getId();
        $thisObjId = $this->getObjId();
        
        $clone = $this;
        include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
        $original_id = assQuestion::_getOriginalId($this->id);
        $clone->id = -1;
        
        if ((int) $testObjId > 0) {
            $clone->setObjId($testObjId);
        }
        
        if ($title) {
            $clone->setTitle($title);
        }
        if ($author) {
            $clone->setAuthor($author);
        }
        if ($owner) {
            $clone->setOwner($owner);
        }
        if ($for_test) {
            $clone->saveToDb($original_id);
        } else {
            $clone->saveToDb();
        }
        
        $clone->duplicateOrderlingElementList();
 
        // copy question page content
        $clone->copyPageOfQuestion($this_id);
        // copy XHTML media objects
        $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
        // duplicate the image
        $clone->duplicateImages($this_id, $thisObjId, $clone->getId(), $testObjId);
        
        $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
        
        return $clone->id;
    }

References assQuestion\$author, assQuestion\$original_id, assQuestion\$owner, assQuestion\$title, assQuestion\_getOriginalId(), assQuestion\getId(), and assQuestion\getObjId().

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◆ duplicateImages()

assOrderingQuestion::duplicateImages	(	$src_question_id,
		$src_object_id,
		$dest_question_id,
		$dest_object_id
	)

Definition at line 314 of file class.assOrderingQuestion.php.

    {
        global $ilLog;
        if ($this->getOrderingType() == OQ_PICTURES || $this->getOrderingType() == OQ_NESTED_PICTURES) {
            $imagepath_original = $this->getImagePath($src_question_id, $src_object_id);
            $imagepath = $this->getImagePath($dest_question_id, $dest_object_id);
 
            if (!file_exists($imagepath)) {
                ilUtil::makeDirParents($imagepath);
            }
            foreach ($this->getOrderingElementList() as $element) {
                $filename = $element->getContent();
                if (!@copy($imagepath_original . $filename, $imagepath . $filename)) {
                    $ilLog->write("image could not be duplicated!!!!");
                }
                if (@file_exists($imagepath_original . $this->getThumbPrefix() . $filename)) {
                    if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename)) {
                        $ilLog->write("image thumbnail could not be duplicated!!!!");
                    }
                }
            }
        }
    }

References $filename, $ilLog, assQuestion\getImagePath(), getOrderingElementList(), getOrderingType(), getThumbPrefix(), ilUtil\makeDirParents(), OQ_NESTED_PICTURES, and OQ_PICTURES.

Referenced by afterSyncWithOriginal().

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◆ duplicateOrderlingElementList()

assOrderingQuestion::duplicateOrderlingElementList ( )

protected

Definition at line 236 of file class.assOrderingQuestion.php.

    {
        $this->getOrderingElementList()->setQuestionId($this->getId());
        $this->getOrderingElementList()->distributeNewRandomIdentifiers();
        $this->getOrderingElementList()->saveToDb();
    }

References assQuestion\getId(), and getOrderingElementList().

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◆ ensureImagePathExists()

assOrderingQuestion::ensureImagePathExists ( )

protected

Definition at line 1583 of file class.assOrderingQuestion.php.

    {
        if (!file_exists($this->getImagePath())) {
            ilUtil::makeDirParents($this->getImagePath());
        }
    }

References assQuestion\getImagePath(), and ilUtil\makeDirParents().

Referenced by storeImageFile().

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◆ fetchSolutionListFromFormSubmissionData()

assOrderingQuestion::fetchSolutionListFromFormSubmissionData ( $userSolutionPost )

Parameters

array $userSolutionPost

Returns: ilAssOrderingElementList

Exceptions

ilTestException

Definition at line 1310 of file class.assOrderingQuestion.php.

    {
        $orderingGUI = $this->buildNestedOrderingElementInputGui();
        $orderingGUI->setContext(ilAssNestedOrderingElementsInputGUI::CONTEXT_USER_SOLUTION_SUBMISSION);
        $orderingGUI->setValueByArray($userSolutionPost);
        
        if (!$orderingGUI->checkInput()) {
            require_once 'Modules/Test/exceptions/class.ilTestException.php';
            throw new ilTestException('error on validating user solution post');
        }
        
        require_once 'Modules/TestQuestionPool/classes/questions/class.ilAssOrderingElementList.php';
        $solutionOrderingElementList = ilAssOrderingElementList::buildInstance($this->getId());
        
        $storedElementList = $this->getOrderingElementList();
        
        foreach ($orderingGUI->getElementList($this->getId()) as $submittedElement) {
            $solutionElement = $storedElementList->getElementByRandomIdentifier(
                $submittedElement->getRandomIdentifier()
            )->getClone();
            
            $solutionElement->setPosition($submittedElement->getPosition());
 
            if ($this->isOrderingTypeNested()) {
                $solutionElement->setIndentation($submittedElement->getIndentation());
            }
            
            $solutionOrderingElementList->addElement($solutionElement);
        }
        
        return $solutionOrderingElementList;
    }

References ilAssOrderingElementList\buildInstance(), buildNestedOrderingElementInputGui(), ilAssNestedOrderingElementsInputGUI\CONTEXT_USER_SOLUTION_SUBMISSION, assQuestion\getId(), getOrderingElementList(), and isOrderingTypeNested().

Referenced by getSolutionListFromPostSubmit(), and getSolutionOrderingElementListForTestOutput().

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◆ fetchSolutionListFromSubmittedForm()

assOrderingQuestion::fetchSolutionListFromSubmittedForm ( ilPropertyFormGUI $form )

Parameters

ilPropertyFormGUI $form

Returns: ilAssOrderingElementList $submittedElementList

Definition at line 1300 of file class.assOrderingQuestion.php.

    {
        return $form->getItemByPostVar(self::ORDERING_ELEMENT_FORM_FIELD_POSTVAR)->getElementList($this->getId());
    }

References $form, and assQuestion\getId().

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◆ fetchSolutionSubmit()

assOrderingQuestion::fetchSolutionSubmit ( $formSubmissionDataStructure )

Returns: array

Definition at line 1593 of file class.assOrderingQuestion.php.

    {
        $solutionSubmit = array();
        
        if (isset($formSubmissionDataStructure['orderresult'])) {
            $orderresult = $formSubmissionDataStructure['orderresult'];
            
            if (strlen($orderresult)) {
                $orderarray = explode(":", $orderresult);
                $ordervalue = 1;
                foreach ($orderarray as $index) {
                    $idmatch = null;
                    if (preg_match("/id_(\\d+)/", $index, $idmatch)) {
                        $randomid = $idmatch[1];
                        foreach ($this->getOrderingElementList() as $answeridx => $answer) {
                            if ($answer->getRandomIdentifier() == $randomid) {
                                $solutionSubmit[$answeridx] = $ordervalue;
                                $ordervalue++;
                            }
                        }
                    }
                }
            }
        } elseif ($this->getOrderingType() == OQ_NESTED_TERMS || $this->getOrderingType() == OQ_NESTED_PICTURES) {
            $index = 0;
            foreach ($formSubmissionDataStructure['content'] as $randomId => $content) {
                $indentation = $formSubmissionDataStructure['indentation'];
                
                $value1 = $index++;
                $value2 = implode(':', array($randomId, $indentation));
                
                $solutionSubmit[$value1] = $value2;
            }
        } else {
            foreach ($formSubmissionDataStructure as $key => $value) {
                $matches = null;
                if (preg_match("/^order_(\d+)/", $key, $matches)) {
                    if (!(preg_match("/initial_value_\d+/", $value))) {
                        if (strlen($value)) {
                            foreach ($this->getOrderingElementList() as $answeridx => $answer) {
                                if ($answer->getRandomIdentifier() == $matches[1]) {
                                    $solutionSubmit[$answeridx] = $value;
                                }
                            }
                        }
                    }
                }
            }
        }
        
        return $solutionSubmit;
    }

References $index, $key, getOrderingElementList(), getOrderingType(), OQ_NESTED_PICTURES, and OQ_NESTED_TERMS.

Referenced by getSolutionPostSubmit().

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◆ generateThumbForFile()

assOrderingQuestion::generateThumbForFile	(	$path,
		$file
	)

protected

Definition at line 1108 of file class.assOrderingQuestion.php.

    {
        $filename = $path . $file;
        if (@file_exists($filename)) {
            $thumbpath = $path . $this->getThumbPrefix() . $file;
            $path_info = @pathinfo($filename);
            $ext = "";
            switch (strtoupper($path_info['extension'])) {
                case 'PNG':
                    $ext = 'PNG';
                    break;
                case 'GIF':
                    $ext = 'GIF';
                    break;
                default:
                    $ext = 'JPEG';
                    break;
            }
            ilUtil::convertImage($filename, $thumbpath, $ext, $this->getThumbGeometry());
        }
    }

References $file, $filename, $path, ilUtil\convertImage(), getThumbGeometry(), and getThumbPrefix().

Referenced by rebuildThumbnails().

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◆ getAdditionalTableName()

assOrderingQuestion::getAdditionalTableName ( )

Returns the name of the additional question data table in the database.

Returns: string The additional table name @access public

Reimplemented from assQuestion.

Definition at line 960 of file class.assOrderingQuestion.php.

    {
        return "qpl_qst_ordering";
    }

Referenced by loadFromDb().

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◆ getAnswer()

assOrderingQuestion::getAnswer ( $index = 0 )

Returns the ordering element from the given position.

Parameters

int $position

Returns: ilAssOrderingElement|null

Definition at line 608 of file class.assOrderingQuestion.php.

    {
        if (!$this->getOrderingElementList()->elementExistByPosition($index)) {
            return null;
        }
        
        return $this->getOrderingElementList()->getElementByPosition($index);
    }

References $index, and getOrderingElementList().

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◆ getAnswerCount()

assOrderingQuestion::getAnswerCount ( )

Returns the number of answers.

Returns: integer The number of answers of the ordering question @access public

See also: $answers

Definition at line 640 of file class.assOrderingQuestion.php.

    {
        return $this->getOrderingElementList()->countElements();
    }

References getOrderingElementList().

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◆ getAnswerTableName()

assOrderingQuestion::getAnswerTableName ( )

Returns the name of the answer table in the database.

Returns: string The answer table name @access public

Reimplemented from assQuestion.

Definition at line 971 of file class.assOrderingQuestion.php.

    {
        return "qpl_a_ordering";
    }

◆ getAvailableAnswerOptions()

assOrderingQuestion::getAvailableAnswerOptions ( $index = null )

If index is null, the function returns an array with all anwser options Else it returns the specific answer option.

Parameters

null | int $index

Returns: array|ASS_AnswerSimple

Implements iQuestionCondition.

Definition at line 1548 of file class.assOrderingQuestion.php.

    {
        if ($index !== null) {
            return $this->getOrderingElementList()->getElementByPosition($index);
        }
 
        return $this->getOrderingElementList()->getElements();
    }

References $index, and getOrderingElementList().

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◆ getElementHeight()

assOrderingQuestion::getElementHeight ( )

Definition at line 1076 of file class.assOrderingQuestion.php.

    {
        return $this->element_height;
    }

References $element_height.

◆ getEncryptedFilename()

assOrderingQuestion::getEncryptedFilename ( $filename )

Definition at line 712 of file class.assOrderingQuestion.php.

    {
        $extension = "";
        if (preg_match("/.*\\.(\\w+)$/", $filename, $matches)) {
            $extension = $matches[1];
        }
        return md5($filename) . "." . $extension;
    }

References $filename.

◆ getExpressionTypes()

assOrderingQuestion::getExpressionTypes ( )

Get all available expression types for a specific question.

Returns: array

Implements iQuestionCondition.

Definition at line 1466 of file class.assOrderingQuestion.php.

    {
        return array(
            iQuestionCondition::PercentageResultExpression,
            iQuestionCondition::NumericResultExpression,
            iQuestionCondition::OrderingResultExpression,
            iQuestionCondition::EmptyAnswerExpression,
        );
    }

References iQuestionCondition\EmptyAnswerExpression, iQuestionCondition\NumericResultExpression, iQuestionCondition\OrderingResultExpression, and iQuestionCondition\PercentageResultExpression.

◆ getLeveledOrdering()

assOrderingQuestion::getLeveledOrdering ( )

Definition at line 1395 of file class.assOrderingQuestion.php.

    {
        return $this->leveled_ordering;
    }

References $leveled_ordering.

◆ getMaximumPoints()

assOrderingQuestion::getMaximumPoints ( )

Returns the maximum points, a learner can reach answering the question.

Returns: double Points

See also: $points

Reimplemented from assQuestion.

Definition at line 699 of file class.assOrderingQuestion.php.

    {
        return $this->getPoints();
    }

References assQuestion\getPoints().

Referenced by isComplete().

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◆ getOldLeveledOrdering()

assOrderingQuestion::getOldLeveledOrdering ( )

Definition at line 1400 of file class.assOrderingQuestion.php.

    {
        global $ilDB;
 
        $res = $ilDB->queryF(
            'SELECT depth FROM qpl_a_ordering WHERE question_fi = %s ORDER BY position ASC',
            array('integer'),
            array($this->getId())
        );
        while ($row = $ilDB->fetchAssoc($res)) {
            $this->old_ordering_depth[] = $row['depth'];
        }
        return $this->old_ordering_depth;
    }

References $ilDB, $old_ordering_depth, $res, $row, and assQuestion\getId().

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◆ getOperators()

assOrderingQuestion::getOperators ( $expression )

Get all available operations for a specific question.

Parameters

string $expression

Implements iQuestionCondition.

Definition at line 1456 of file class.assOrderingQuestion.php.

    {
        require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
        return ilOperatorsExpressionMapping::getOperatorsByExpression($expression);
    }

References ilOperatorsExpressionMapping\getOperatorsByExpression().

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◆ getOrderElements()

assOrderingQuestion::getOrderElements ( )

Returns the answers array.

Deprecated:: seriously, stop looking for this kind data at this point (!) look where it comes from and learn (!)

Definition at line 995 of file class.assOrderingQuestion.php.

    {
        return $this->getOrderingElementList()->getRandomIdentifierIndexedElements();
    }

References getOrderingElementList().

Referenced by rebuildThumbnails().

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◆ getOrderingElementList()

assOrderingQuestion::getOrderingElementList ( )

Returns: ilAssOrderingElementList

Definition at line 551 of file class.assOrderingQuestion.php.

    {
        return $this->orderingElementList;
    }

References $orderingElementList.

Referenced by calculateReachedPointsForSolution(), cleanImagefiles(), copyImages(), deleteAnswer(), duplicateImages(), duplicateOrderlingElementList(), fetchSolutionListFromFormSubmissionData(), fetchSolutionSubmit(), getAnswer(), getAnswerCount(), getAvailableAnswerOptions(), getOrderElements(), getOrderingElementListForSolutionOutput(), getRTETextWithMediaObjects(), getShuffledOrderingElementList(), getSolutionOrderingElementList(), getSolutionValuePairBrandedOrderingElementByRandomIdentifier(), getSolutionValuePairBrandedOrderingElementBySolutionIdentifier(), isComplete(), moveAnswerDown(), moveAnswerUp(), saveAnswerSpecificDataToDb(), setExportDetailsXLS(), toJSON(), and validateSolutionSubmit().

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◆ getOrderingElementListForSolutionOutput()

assOrderingQuestion::getOrderingElementListForSolutionOutput	(	$forceCorrectSolution,
		$activeId,
		$passIndex
	)

Parameters

$forceCorrectSolution
$activeId
$passIndex

Returns: ilAssOrderingElementList

Definition at line 412 of file class.assOrderingQuestion.php.

    {
        if ($forceCorrectSolution || !$activeId || $passIndex === null) {
            return $this->getOrderingElementList();
        }
        
        $solutionValues = $this->getSolutionValues($activeId, $passIndex);
        
        if (!count($solutionValues)) {
            return $this->getShuffledOrderingElementList();
        }
        
        return $this->getSolutionOrderingElementList($this->fetchIndexedValuesFromValuePairs($solutionValues));
    }

References assQuestion\fetchIndexedValuesFromValuePairs(), getOrderingElementList(), getShuffledOrderingElementList(), getSolutionOrderingElementList(), and assQuestion\getSolutionValues().

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◆ getOrderingType()

assOrderingQuestion::getOrderingType ( )

Returns the ordering question type.

Returns: integer The ordering question type @access public

See also: $ordering_type

Definition at line 386 of file class.assOrderingQuestion.php.

    {
        return $this->ordering_type;
    }

References $ordering_type.

Referenced by ilAssOrderingQuestionAuthoringFormGUI\addSpecificOrderingQuestionCommandButtons(), buildNestedOrderingElementInputGui(), buildNestedOrderingFormDataConverter(), buildOrderingElementInputGui(), cleanImagefiles(), copyImages(), duplicateImages(), fetchSolutionSubmit(), hasOrderingTypeUploadSupport(), isImageOrderingType(), isOrderingTypeNested(), rebuildThumbnails(), saveWorkingData(), and toJSON().

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◆ getQuestionType()

assOrderingQuestion::getQuestionType ( )

Returns the question type of the question.

Returns: integer The question type of the question @access public

Reimplemented from assQuestion.

Definition at line 949 of file class.assOrderingQuestion.php.

    {
        return "assOrderingQuestion";
    }

Referenced by toJSON().

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◆ getRTETextWithMediaObjects()

assOrderingQuestion::getRTETextWithMediaObjects ( )

Collects all text in the question which could contain media objects which were created with the Rich Text Editor.

Reimplemented from assQuestion.

Definition at line 980 of file class.assOrderingQuestion.php.

    {
        $text = parent::getRTETextWithMediaObjects();
        
        foreach ($this->getOrderingElementList() as $orderingElement) {
            $text .= $orderingElement->getContent();
        }
        
        return $text;
    }

References $text, and getOrderingElementList().

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◆ getShuffledOrderingElementList()

assOrderingQuestion::getShuffledOrderingElementList ( )

Parameters

$active_id
$pass

Returns: ilAssOrderingElementList

Definition at line 535 of file class.assOrderingQuestion.php.

    {
        $shuffledRandomIdentifierIndex = $this->getShuffler()->shuffle(
            $this->getOrderingElementList()->getRandomIdentifierIndex()
        );
        
        $shuffledElementList = $this->getOrderingElementList()->getClone();
        $shuffledElementList->reorderByRandomIdentifiers($shuffledRandomIdentifierIndex);
        $shuffledElementList->resetElementsIndentations();
        
        return $shuffledElementList;
    }

References getOrderingElementList(), and assQuestion\getShuffler().

Referenced by getOrderingElementListForSolutionOutput(), and getSolutionOrderingElementListForTestOutput().

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◆ getSolutionListFromPostSubmit()

assOrderingQuestion::getSolutionListFromPostSubmit ( )

Returns: ilAssOrderingElementList

Definition at line 1351 of file class.assOrderingQuestion.php.

    {
        if ($this->postSolutionOrderingElementList === null) {
            $list = $this->fetchSolutionListFromFormSubmissionData($_POST);
            $this->postSolutionOrderingElementList = $list;
        }
        
        return $this->postSolutionOrderingElementList;
    }

References $_POST, $list, $postSolutionOrderingElementList, and fetchSolutionListFromFormSubmissionData().

Referenced by savePreviewData(), saveWorkingData(), and validateSolutionSubmit().

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◆ getSolutionOrderingElementList()

assOrderingQuestion::getSolutionOrderingElementList ( $indexedSolutionValues )

Parameters

array $valuePairs

Returns: ilAssOrderingElementList

Exceptions

ilTestQuestionPoolException

Definition at line 508 of file class.assOrderingQuestion.php.

    {
        $solutionOrderingList = new ilAssOrderingElementList();
        $solutionOrderingList->setQuestionId($this->getId());
        
        foreach ($indexedSolutionValues as $value1 => $value2) {
            if ($this->isOrderingTypeNested()) {
                $element = $this->getSolutionValuePairBrandedOrderingElementByRandomIdentifier($value1, $value2);
            } else {
                $element = $this->getSolutionValuePairBrandedOrderingElementBySolutionIdentifier($value1, $value2);
            }
            
            $solutionOrderingList->addElement($element);
        }
        
        if (!$this->getOrderingElementList()->hasSameElementSetByRandomIdentifiers($solutionOrderingList)) {
            throw new ilTestQuestionPoolException('inconsistent solution values given');
        }
        
        return $solutionOrderingList;
    }

References assQuestion\getId(), getOrderingElementList(), getSolutionValuePairBrandedOrderingElementByRandomIdentifier(), getSolutionValuePairBrandedOrderingElementBySolutionIdentifier(), and isOrderingTypeNested().

Referenced by calculateReachedPoints(), getOrderingElementListForSolutionOutput(), and getSolutionOrderingElementListForTestOutput().

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◆ getSolutionOrderingElementListForTestOutput()

assOrderingQuestion::getSolutionOrderingElementListForTestOutput	(	ilAssNestedOrderingElementsInputGUI	$inputGUI,
			$lastPost,
			$activeId,
			$pass
	)

Parameters

ilAssNestedOrderingElementsInputGUI	$inputGUI
array	$lastPost
integer	$activeId
integer	$pass

Returns: ilAssOrderingElementList

Exceptions

ilTestException
ilTestQuestionPoolException

Definition at line 436 of file class.assOrderingQuestion.php.

    {
        if ($inputGUI->isPostSubmit($lastPost)) {
            return $this->fetchSolutionListFromFormSubmissionData($lastPost);
        }
        
        // hey: prevPassSolutions - pass will be always available from now on
        #if( $pass === null && !ilObjTest::_getUsePreviousAnswers($activeId, true) )
        #// condition looks strange? yes - keep it null when previous solutions not enabled (!)
        #{
        #       $pass = ilObjTest::_getPass($activeId);
        #}
        // hey.
        
        $indexedSolutionValues = $this->fetchIndexedValuesFromValuePairs(
            // hey: prevPassSolutions - obsolete due to central check
            $this->getTestOutputSolutions($activeId, $pass)
            // hey.
        );
        
        if (count($indexedSolutionValues)) {
            return $this->getSolutionOrderingElementList($indexedSolutionValues);
        }
        
        return $this->getShuffledOrderingElementList();
    }

References $pass, assQuestion\fetchIndexedValuesFromValuePairs(), fetchSolutionListFromFormSubmissionData(), getShuffledOrderingElementList(), getSolutionOrderingElementList(), assQuestion\getTestOutputSolutions(), and ilAssNestedOrderingElementsInputGUI\isPostSubmit().

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◆ getSolutionPostSubmit()

assOrderingQuestion::getSolutionPostSubmit ( )

Returns: array

Definition at line 1364 of file class.assOrderingQuestion.php.

    {
        return $this->fetchSolutionSubmit($_POST);
    }

References $_POST, and fetchSolutionSubmit().

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◆ getSolutionValuePairBrandedOrderingElementByRandomIdentifier()

assOrderingQuestion::getSolutionValuePairBrandedOrderingElementByRandomIdentifier	(	$value1,
		$value2
	)

protected

Parameters

string	$value1
string	$value2

Returns: ilAssOrderingElement

Definition at line 468 of file class.assOrderingQuestion.php.

    {
        $value2 = explode(':', $value2);
        
        $randomIdentifier = $value2[0];
        $selectedPosition = $value1;
        $selectedIndentation = $value2[1];
        
        $element = $this->getOrderingElementList()->getElementByRandomIdentifier($randomIdentifier)->getClone();
        
        $element->setPosition($selectedPosition);
        $element->setIndentation($selectedIndentation);
        
        return $element;
    }

References getOrderingElementList().

Referenced by getSolutionOrderingElementList().

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◆ getSolutionValuePairBrandedOrderingElementBySolutionIdentifier()

assOrderingQuestion::getSolutionValuePairBrandedOrderingElementBySolutionIdentifier	(	$value1,
		$value2
	)

protected

Parameters

string	$value1
string	$value2

Returns: ilAssOrderingElement

Definition at line 489 of file class.assOrderingQuestion.php.

    {
        $solutionIdentifier = $value1;
        $selectedPosition = ($value2 - 1);
        $selectedIndentation = 0;
        
        $element = $this->getOrderingElementList()->getElementBySolutionIdentifier($solutionIdentifier)->getClone();
        
        $element->setPosition($selectedPosition);
        $element->setIndentation($selectedIndentation);
        
        return $element;
    }

References getOrderingElementList().

Referenced by getSolutionOrderingElementList().

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◆ getThumbGeometry()

assOrderingQuestion::getThumbGeometry ( )

Definition at line 1051 of file class.assOrderingQuestion.php.

    {
        return $this->thumb_geometry;
    }

References $thumb_geometry.

Referenced by createImageThumbnail(), generateThumbForFile(), and getThumbSize().

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◆ getThumbPrefix()

assOrderingQuestion::getThumbPrefix ( )

Definition at line 1103 of file class.assOrderingQuestion.php.

    {
        return "thumb.";
    }

Referenced by buildNestedOrderingElementInputGui(), buildNestedOrderingFormDataConverter(), buildOrderingImagesFormDataConverter(), cleanImagefiles(), copyImages(), createImageThumbnail(), dropImageFile(), duplicateImages(), and generateThumbForFile().

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◆ getThumbSize()

assOrderingQuestion::getThumbSize ( )

Definition at line 1056 of file class.assOrderingQuestion.php.

    {
        return $this->getThumbGeometry();
    }

References getThumbGeometry().

Referenced by buildNestedOrderingFormDataConverter(), and buildOrderingImagesFormDataConverter().

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◆ handleThumbnailCreation()

assOrderingQuestion::handleThumbnailCreation ( ilAssOrderingElementList $elementList )

Definition at line 821 of file class.assOrderingQuestion.php.

    {
        foreach ($elementList as $element) {
            $this->createImageThumbnail($element);
        }
    }

References createImageThumbnail().

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◆ hasOrderingTypeUploadSupport()

assOrderingQuestion::hasOrderingTypeUploadSupport ( )

Definition at line 401 of file class.assOrderingQuestion.php.

    {
        return $this->getOrderingType() == OQ_PICTURES;
    }

References getOrderingType(), and OQ_PICTURES.

Referenced by isImageReplaced(), and saveAnswerSpecificDataToDb().

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◆ initOrderingElementAuthoringProperties()

assOrderingQuestion::initOrderingElementAuthoringProperties ( ilFormPropertyGUI $formField )

Parameters

ilAssOrderingTextsInputGUI | ilAssOrderingImagesInputGUI | ilAssNestedOrderingElementsInputGUI $formField

Definition at line 1202 of file class.assOrderingQuestion.php.

    {
        switch (true) {
            case $formField instanceof ilAssNestedOrderingElementsInputGUI:
                
                $formField->setInteractionEnabled(true);
                $formField->setNestingEnabled($this->isOrderingTypeNested());
                break;
            
            case $formField instanceof ilAssOrderingTextsInputGUI:
            case $formField instanceof ilAssOrderingImagesInputGUI:
            default:
            
                $formField->setEditElementOccuranceEnabled(true);
                $formField->setEditElementOrderEnabled(true);
        }
        
        $formField->setRequired(true);
    }

References isOrderingTypeNested(), and ilFormPropertyGUI\setRequired().

Referenced by ilAssOrderingQuestionAuthoringFormGUI\renewOrderingElementInput().

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◆ initOrderingElementFormFieldLabels()

assOrderingQuestion::initOrderingElementFormFieldLabels ( ilFormPropertyGUI $formField )

Parameters

ilFormPropertyGUI $formField

Definition at line 1225 of file class.assOrderingQuestion.php.

    {
        $formField->setInfo($this->lng->txt('ordering_answer_sequence_info'));
        $formField->setTitle($this->lng->txt('answers'));
    }

References ilFormPropertyGUI\setInfo(), and ilFormPropertyGUI\setTitle().

Referenced by buildNestedOrderingElementInputGui(), buildOrderingImagesInputGui(), and buildOrderingTextsInputGui().

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◆ isComplete()

assOrderingQuestion::isComplete ( )

Returns true, if a ordering question is complete for use.

Returns: boolean True, if the ordering question is complete for use, otherwise false

Reimplemented from assQuestion.

Definition at line 95 of file class.assOrderingQuestion.php.

    {
        if (!$this->getAuthor()) {
            return false;
        }
        
        if (!$this->getTitle()) {
            return false;
        }
        
        if (!$this->getQuestion()) {
            return false;
        }
        
        if (!$this->getMaximumPoints()) {
            return false;
        }
        
        if (!$this->getOrderingElementList()->countElements()) {
            return false;
        }
        
        return true;
    }

References assQuestion\getAuthor(), getMaximumPoints(), getOrderingElementList(), assQuestion\getQuestion(), and assQuestion\getTitle().

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◆ isImageFileStored()

assOrderingQuestion::isImageFileStored ( $imageFilename )

Definition at line 770 of file class.assOrderingQuestion.php.

    {
        if (!strlen($imageFilename)) {
            return false;
        }
        
        if (!file_exists($this->getImagePath() . $imageFilename)) {
            return false;
        }
        
        return is_file($this->getImagePath() . $imageFilename);
    }

References assQuestion\getImagePath().

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◆ isImageOrderingType()

assOrderingQuestion::isImageOrderingType ( )

Definition at line 396 of file class.assOrderingQuestion.php.

    {
        return in_array($this->getOrderingType(), array(OQ_PICTURES, OQ_NESTED_PICTURES));
    }

References getOrderingType(), OQ_NESTED_PICTURES, and OQ_PICTURES.

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◆ isImageReplaced()

assOrderingQuestion::isImageReplaced	(	ilAssOrderingElement	$newElement,
		ilAssOrderingElement	$oldElement
	)

Definition at line 783 of file class.assOrderingQuestion.php.

    {
        if (!$this->hasOrderingTypeUploadSupport()) {
            return false;
        }
        
        if (!$newElement->getContent()) {
            return false;
        }
        
        return $newElement->getContent() != $oldElement->getContent();
    }

References ilAssOrderingElement\getContent(), and hasOrderingTypeUploadSupport().

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◆ isOrderingTypeNested()

assOrderingQuestion::isOrderingTypeNested ( )

Definition at line 391 of file class.assOrderingQuestion.php.

    {
        return in_array($this->getOrderingType(), array(OQ_NESTED_TERMS, OQ_NESTED_PICTURES));
    }

References getOrderingType(), OQ_NESTED_PICTURES, and OQ_NESTED_TERMS.

Referenced by fetchSolutionListFromFormSubmissionData(), getSolutionOrderingElementList(), and initOrderingElementAuthoringProperties().

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◆ loadFromDb()

assOrderingQuestion::loadFromDb ( $question_id )

Loads a assOrderingQuestion object from a database.

Parameters

object	$db	A pear DB object
integer	$question_id	A unique key which defines the multiple choice test in the database @access public

Reimplemented from assQuestion.

Definition at line 144 of file class.assOrderingQuestion.php.

    {
        global $ilDB;
 
        $result = $ilDB->queryF(
            "SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
            array("integer"),
            array($question_id)
        );
        if ($result->numRows() == 1) {
            $data = $ilDB->fetchAssoc($result);
            $this->setId($question_id);
            $this->setObjId($data["obj_fi"]);
            $this->setTitle($data["title"]);
            $this->setComment($data["description"]);
            $this->setOriginalId($data["original_id"]);
            $this->setAuthor($data["author"]);
            $this->setNrOfTries($data['nr_of_tries']);
            $this->setPoints($data["points"]);
            $this->setOwner($data["owner"]);
            include_once("./Services/RTE/classes/class.ilRTE.php");
            $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
            $this->ordering_type = strlen($data["ordering_type"]) ? $data["ordering_type"] : OQ_TERMS;
            $this->thumb_geometry = $data["thumb_geometry"];
            $this->element_height = $data["element_height"];
            $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
            
            try {
                $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
            } catch (ilTestQuestionPoolException $e) {
            }
        }
        
        $this->orderingElementList->setQuestionId($this->getId());
        $this->orderingElementList->loadFromDb();
        
        parent::loadFromDb($question_id);
    }

References $data, $ilDB, $result, ilRTE\_replaceMediaObjectImageSrc(), getAdditionalTableName(), assQuestion\getId(), OQ_TERMS, assQuestion\setAdditionalContentEditingMode(), assQuestion\setAuthor(), assQuestion\setComment(), assQuestion\setEstimatedWorkingTime(), assQuestion\setId(), assQuestion\setNrOfTries(), assQuestion\setObjId(), assQuestion\setOriginalId(), assQuestion\setOwner(), assQuestion\setPoints(), assQuestion\setQuestion(), and assQuestion\setTitle().

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◆ lookupSolutionOrderByRandomid()

assOrderingQuestion::lookupSolutionOrderByRandomid ( $a_random_id )

Definition at line 1419 of file class.assOrderingQuestion.php.

    {
        global $ilDB;
        
        $res = $ilDB->queryF(
            'SELECT solution_key FROM qpl_a_ordering WHERE random_id = %s',
            array('integer'),
            array($a_random_id)
        );
        $row = $ilDB->fetchAssoc($res);
        
        return $row['solution_key'];
    }

References $ilDB, $res, and $row.

◆ moveAnswerDown()

assOrderingQuestion::moveAnswerDown ( $position )

Parameters

$position

TODO: still in use? should not since element moving is js supported!?

Definition at line 587 of file class.assOrderingQuestion.php.

    {
        if (!$this->getOrderingElementList()->elementExistByPosition($position)) {
            return false;
        }
        
        if ($this->getOrderingElementList()->isLastElementPosition($position)) {
            return false;
        }
        
        $this->getOrderingElementList()->moveElementByPositions($position, $position + 1);
        
        return true;
    }

References getOrderingElementList().

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◆ moveAnswerUp()

assOrderingQuestion::moveAnswerUp ( $position )

Parameters

$position

TODO: still in use? should not since element moving is js supported!?

Definition at line 569 of file class.assOrderingQuestion.php.

    {
        if (!$this->getOrderingElementList()->elementExistByPosition($position)) {
            return false;
        }
        
        if ($this->getOrderingElementList()->isFirstElementPosition($position)) {
            return false;
        }
        
        $this->getOrderingElementList()->moveElementByPositions($position, $position - 1);
    }

References getOrderingElementList().

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◆ rebuildThumbnails()

assOrderingQuestion::rebuildThumbnails ( )

Definition at line 1094 of file class.assOrderingQuestion.php.

    {
        if ($this->getOrderingType() == OQ_PICTURES || $this->getOrderingType() == OQ_NESTED_PICTURES) {
            foreach ($this->getOrderElements() as $orderingElement) {
                $this->generateThumbForFile($this->getImagePath(), $orderingElement->getContent());
            }
        }
    }

References generateThumbForFile(), assQuestion\getImagePath(), getOrderElements(), getOrderingType(), OQ_NESTED_PICTURES, and OQ_PICTURES.

Referenced by saveAnswerSpecificDataToDb().

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◆ reworkWorkingData()

assOrderingQuestion::reworkWorkingData	(	$active_id,
		$pass,
		$obligationsAnswered,
		$authorized
	)

protected

{Reworks the allready saved working data if neccessary.

Parameters

integer	$active_id
integer	$pass
boolean	$obligationsAnswered
boolean	$authorized

}

Reimplemented from assQuestion.

Definition at line 938 of file class.assOrderingQuestion.php.

    {
        // nothing to rework!
    }

◆ saveAnswerSpecificDataToDb()

assOrderingQuestion::saveAnswerSpecificDataToDb ( )

Saves the answer specific records into a question types answer table.

Returns: mixed

Implements ilObjAnswerScoringAdjustable.

Definition at line 924 of file class.assOrderingQuestion.php.

    {
        $this->getOrderingElementList()->setQuestionId($this->getId());
        $this->getOrderingElementList()->saveToDb();
        
        if ($this->hasOrderingTypeUploadSupport()) {
            $this->rebuildThumbnails();
            $this->cleanImagefiles();
        }
    }

References cleanImagefiles(), assQuestion\getId(), getOrderingElementList(), hasOrderingTypeUploadSupport(), and rebuildThumbnails().

Referenced by saveToDb().

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◆ savePreviewData()

assOrderingQuestion::savePreviewData ( ilAssQuestionPreviewSession $previewSession )

protected

Reimplemented from assQuestion.

Definition at line 892 of file class.assOrderingQuestion.php.

    {
        if ($this->validateSolutionSubmit()) {
            $previewSession->setParticipantsSolution(serialize($this->getSolutionListFromPostSubmit()));
        }
    }

References getSolutionListFromPostSubmit(), ilAssQuestionPreviewSession\setParticipantsSolution(), and validateSolutionSubmit().

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◆ saveToDb()

assOrderingQuestion::saveToDb ( $original_id = "" )

Saves a assOrderingQuestion object to a database.

Parameters

string $original_id

Reimplemented from assQuestion.

Definition at line 127 of file class.assOrderingQuestion.php.

    {
        global $ilDB;
 
        $this->saveQuestionDataToDb($original_id);
        $this->saveAdditionalQuestionDataToDb();
        $this->saveAnswerSpecificDataToDb();
        parent::saveToDb($original_id);
    }

References $ilDB, assQuestion\$original_id, ilObjQuestionScoringAdjustable\saveAdditionalQuestionDataToDb(), saveAnswerSpecificDataToDb(), and assQuestion\saveQuestionDataToDb().

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◆ saveWorkingData()

assOrderingQuestion::saveWorkingData	(	$active_id,
		$pass = `null`,
		$authorized = `true`
	)

Saves the learners input of the question to the database.

@access public

Parameters

integer	$active_id	Active id of the user
integer	$pass	Test pass

Returns: boolean $status

Reimplemented from assQuestion.

Definition at line 859 of file class.assOrderingQuestion.php.

    {
        $entered_values = 0;
        
        if (is_null($pass)) {
            include_once "./Modules/Test/classes/class.ilObjTest.php";
            $pass = ilObjTest::_getPass($active_id);
        }
 
        $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(
            function () use (&$entered_values, $active_id, $pass, $authorized) {
                $this->removeCurrentSolution($active_id, $pass, $authorized);
        
                foreach ($this->getSolutionListFromPostSubmit() as $orderingElement) {
                    $value1 = $orderingElement->getStorageValue1($this->getOrderingType());
                    $value2 = $orderingElement->getStorageValue2($this->getOrderingType());
                    
                    $this->saveCurrentSolution($active_id, $pass, $value1, trim($value2), $authorized);
                    
                    $entered_values++;
                }
            }
        );
        
        if ($entered_values) {
            $this->log($active_id, 'log_user_entered_values');
        } else {
            $this->log($active_id, 'log_user_not_entered_values');
        }
 
        return true;
    }

References $pass, ilObjTest\_getPass(), getOrderingType(), assQuestion\getProcessLocker(), getSolutionListFromPostSubmit(), assQuestion\log(), assQuestion\removeCurrentSolution(), and assQuestion\saveCurrentSolution().

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◆ setElementHeight()

assOrderingQuestion::setElementHeight ( $a_height )

Definition at line 1086 of file class.assOrderingQuestion.php.

    {
        $this->element_height = ($a_height < 20) ? "" : $a_height;
    }

◆ setExportDetailsXLS()

assOrderingQuestion::setExportDetailsXLS	(	$worksheet,
		$startrow,
		$active_id,
		$pass
	)

{Creates an Excel worksheet for the detailed cumulated results of this question.

Parameters

object	$worksheet	Reference to the parent excel worksheet
object	$startrow	Startrow of the output in the excel worksheet
object	$active_id	Active id of the participant
object	$pass	Test pass

Returns: object

}

Reimplemented from assQuestion.

Definition at line 1019 of file class.assOrderingQuestion.php.

    {
        parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
 
        $solutions = $this->getSolutionValues($active_id, $pass);
        $sol = array();
        foreach ($solutions as $solution) {
            $sol[$solution["value1"]] = $solution["value2"];
        }
        asort($sol);
        $sol = array_keys($sol);
 
        $i = 1;
        foreach ($sol as $idx) {
            foreach ($solutions as $solution) {
                if ($solution["value1"] == $idx) {
                    $worksheet->setCell($startrow + $i, 0, $solution["value2"]);
                }
            }
            $element = $this->getOrderingElementList()->getElementBySolutionIdentifier($idx);
            $worksheet->setCell($startrow + $i, 1, $element->getContent());
            $i++;
        }
 
        return $startrow + $i + 1;
    }

References $i, $pass, $worksheet, getOrderingElementList(), and assQuestion\getSolutionValues().

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◆ setOrderingElementList()

assOrderingQuestion::setOrderingElementList ( $orderingElementList )

Parameters

ilAssOrderingElementList $orderingElementList

Definition at line 559 of file class.assOrderingQuestion.php.

    {
        $this->orderingElementList = $orderingElementList;
    }

References $orderingElementList.

◆ setOrderingType()

assOrderingQuestion::setOrderingType ( $ordering_type = OQ_TERMS )

Sets the ordering question type.

Parameters

integer $ordering_type The question ordering type @access public

See also: $ordering_type

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

    {
        $this->ordering_type = $ordering_type;
    }

References $ordering_type.

◆ setThumbGeometry()

assOrderingQuestion::setThumbGeometry ( $a_geometry )

Definition at line 1066 of file class.assOrderingQuestion.php.

    {
        $this->thumb_geometry = ($a_geometry < 1) ? 100 : $a_geometry;
    }

◆ storeImageFile()

assOrderingQuestion::storeImageFile	(	$uploadFile,
		$targetFile
	)

Sets the image file and uploads the image to the object's image directory.

Parameters

string	$image_filename	Name of the original image file
string	$image_tempfilename	Name of the temporary uploaded image file

Returns: integer An errorcode if the image upload fails, 0 otherwise @access public

Definition at line 804 of file class.assOrderingQuestion.php.

    {
        if (!strlen($uploadFile)) {
            return false;
        }
        
        $this->ensureImagePathExists();
        
        // store file with hashed name
        
        if (!ilUtil::moveUploadedFile($uploadFile, $targetFile, $this->getImagePath() . $targetFile)) {
            return false;
        }
 
        return true;
    }

References ensureImagePathExists(), and assQuestion\getImagePath().

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◆ supportsJavascriptOutput()

assOrderingQuestion::supportsJavascriptOutput ( )

Returns true if the question type supports JavaScript output.

Returns: boolean TRUE if the question type supports JavaScript output, FALSE otherwise @access public

Reimplemented from assQuestion.

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

    {
        return true;
    }

◆ supportsNonJsOutput()

assOrderingQuestion::supportsNonJsOutput ( )

Reimplemented from assQuestion.

Definition at line 1011 of file class.assOrderingQuestion.php.

    {
        return false;
    }

◆ toJSON()

assOrderingQuestion::toJSON ( )

Returns a JSON representation of the question.

Reimplemented from assQuestion.

Definition at line 1133 of file class.assOrderingQuestion.php.

    {
        include_once("./Services/RTE/classes/class.ilRTE.php");
        $result = array();
        $result['id'] = (int) $this->getId();
        $result['type'] = (string) $this->getQuestionType();
        $result['title'] = (string) $this->getTitle();
        $result['question'] =  $this->formatSAQuestion($this->getQuestion());
        $result['nr_of_tries'] = (int) $this->getNrOfTries();
        $result['shuffle'] = (bool) true;
        $result['points'] =  $this->getPoints();
        $result['feedback'] = array(
            'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
            'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
        );
        if ($this->getOrderingType() == OQ_PICTURES) {
            $result['path'] = $this->getImagePathWeb();
        }
        
        $counter = 1;
        $answers = array();
        foreach ($this->getOrderingElementList() as $orderingElement) {
            $answers[$counter] = $orderingElement->getContent();
            $counter++;
        }
        $answers = $this->getShuffler()->shuffle($answers);
        $arr = array();
        foreach ($answers as $order => $answer) {
            array_push($arr, array(
                "answertext" => (string) $answer,
                "order" => (int) $order
            ));
        }
        $result['answers'] = $arr;
 
        $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
        $result['mobs'] = $mobs;
 
        return json_encode($result);
    }

References $counter, $mobs, $result, ilObjMediaObject\_getMobsOfObject(), assQuestion\formatSAQuestion(), assQuestion\getId(), assQuestion\getImagePathWeb(), assQuestion\getNrOfTries(), getOrderingElementList(), getOrderingType(), assQuestion\getPoints(), assQuestion\getQuestion(), getQuestionType(), assQuestion\getShuffler(), assQuestion\getTitle(), and OQ_PICTURES.

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◆ updateLeveledOrdering()

assOrderingQuestion::updateLeveledOrdering	(	$a_index,
		$a_answer_text,
		$a_depth
	)

Definition at line 1433 of file class.assOrderingQuestion.php.

    {
        global $ilDB;
        
        $ilDB->update(
            'qpl_a_ordering',
            array('solution_key'=> array('integer', $a_index),
              'depth'           => array('integer', $a_depth)),
            array('answertext'  => array('text', $a_answer_text))
        );
        
        
        return true;
    }

References $ilDB.

◆ validateSolutionSubmit()

assOrderingQuestion::validateSolutionSubmit ( )

Checks the data to be saved for consistency.

Returns: boolean True, if the check was ok, False otherwise @access public

See also: $answers

Reimplemented from assQuestion.

Definition at line 845 of file class.assOrderingQuestion.php.

    {
        $submittedSolutionList = $this->getSolutionListFromPostSubmit();
        return $this->getOrderingElementList()->hasSameElementSetByRandomIdentifiers($submittedSolutionList);
    }

References getOrderingElementList(), and getSolutionListFromPostSubmit().

Referenced by savePreviewData().

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