ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
Public Member Functions | Data Fields | Protected Member Functions | Protected Attributes
assMultipleChoice Class Reference
Modules/TestQuestionPool

Class for multiple choice tests. More...

+ Inheritance diagram for assMultipleChoice:
+ Collaboration diagram for assMultipleChoice:

Public Member Functions

 setIsSingleline ($isSingleline)
 
 getIsSingleline ()
 
 setLastChange ($lastChange)
 
 getLastChange ()
 
 __construct ( $title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER)
 assMultipleChoice constructor More...
 
 getSelectionLimit ()
 
 setSelectionLimit ($selectionLimit)
 
 isComplete ()
 Returns true, if a multiple choice question is complete for use. More...
 
 saveToDb ($original_id="")
 Saves a assMultipleChoice object to a database. More...
 
 getThumbPrefix ()
 
 loadFromDb ($question_id)
 Loads a assMultipleChoice object from a database. More...
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 Duplicates an assMultipleChoiceQuestion. More...
 
 copyObject ($target_questionpool_id, $title="")
 Copies an assMultipleChoice object. More...
 
 createNewOriginalFromThisDuplicate ($targetParentId, $targetQuestionTitle="")
 
 getOutputType ()
 Gets the multiple choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1). More...
 
 setOutputType ($output_type=OUTPUT_ORDER)
 Sets the output type of the assMultipleChoice object. More...
 
 addAnswer ( $answertext="", $points=0.0, $points_unchecked=0.0, $order=0, $answerimage="")
 Adds a possible answer for a multiple choice question. More...
 
 getAnswerCount ()
 Returns the number of answers. More...
 
 getAnswer ($index=0)
 Returns an answer with a given index. More...
 
 deleteAnswer ($index=0)
 Deletes an answer with a given index. More...
 
 flushAnswers ()
 Deletes all answers. More...
 
 getMaximumPoints ()
 Returns the maximum points, a learner can reach answering the question. More...
 
 calculateReachedPoints ($active_id, $pass=NULL, $authorizedSolution=true, $returndetails=FALSE)
 Returns the points, a learner has reached answering the question. More...
 
 validateSolutionSubmit ()
 
 syncWithOriginal ()
 
 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...
 
 setImageFile ($image_filename, $image_tempfilename="")
 Sets the image file and uploads the image to the object's image directory. More...
 
 copyImages ($question_id, $source_questionpool)
 
 getRTETextWithMediaObjects ()
 Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...
 
& getAnswers ()
 Returns a reference to the answers array. More...
 
 setExportDetailsXLS ($worksheet, $startrow, $active_id, $pass)
 {Creates an Excel worksheet for the detailed cumulated results of this question.
Parameters
object$worksheetReference to the parent excel worksheet
object$startrowStartrow of the output in the excel worksheet
object$active_idActive id of the participant
object$passTest pass
Returns
object
} More...
 
 getThumbSize ()
 
 setThumbSize ($a_size)
 
 toJSON ()
 Returns a JSON representation of the question. More...
 
 removeAnswerImage ($index)
 
 getMultilineAnswerSetting ()
 
 setMultilineAnswerSetting ($a_setting=0)
 
 setSpecificFeedbackSetting ($a_feedback_setting)
 Sets the feedback settings in effect for the question. More...
 
 getSpecificFeedbackSetting ()
 Gets the current feedback settings in effect for the question. More...
 
 getSpecificFeedbackAllCorrectOptionLabel ()
 
 isAnswered ($active_id, $pass=NULL)
 returns boolean wether the question is answered during test pass or not More...
 
 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...
 
- 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...
 
- Public Member Functions inherited from ilObjAnswerScoringAdjustable
 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...
 
 getSpecificFeedbackAllCorrectOptionLabel ()
 

Data Fields

 $answers
 
 $output_type
 
 $isSingleline
 
 $lastChange
 
 $feedback_setting
 
- 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

 rebuildThumbnails ()
 Rebuild the thumbnail images with a new thumbnail size. More...
 
 generateThumbForFile ($path, $file)
 
 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...
 
 deleteImage ($image_filename)
 Deletes an image file. More...
 
 syncImages ()
 Sync images of a MC question on synchronisation with the original question. More...
 
 lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)
 
 getSolutionSubmit ()
 
 calculateReachedPointsForSolution ($found_values, $active_id=0)
 
- 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

 $thumb_size
 
 $selectionLimit
 
- 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
 

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 multiple choice tests.

assMultipleChoice is a class for multiple choice 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 bheys.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de
Version
$Id$

Definition at line 27 of file class.assMultipleChoice.php.

Constructor & Destructor Documentation

◆ __construct()

assMultipleChoice::__construct (   $title = "",
  $comment = "",
  $author = "",
  $owner = -1,
  $question = "",
  $output_type = OUTPUT_ORDER 
)

assMultipleChoice constructor

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

Parameters
string$titleA title string to describe the question
string$commentA comment string to describe the question
string$authorA string containing the name of the questions author
integer$ownerA numerical ID to identify the owner/creator
string$questionThe question string of the multiple choice question
int | string$output_typeThe output order of the multiple choice answers
See also
assQuestion:assQuestion()

Definition at line 106 of file class.assMultipleChoice.php.

114 {
115 parent::__construct($title, $comment, $author, $owner, $question);
116 $this->output_type = $output_type;
117 $this->thumb_size = 150;
118 $this->answers = array();
119 $this->shuffle = 1;
120 $this->selectionLimit = null;
121 $this->feedback_setting = 0;
122 }

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

Member Function Documentation

◆ addAnswer()

assMultipleChoice::addAnswer (   $answertext = "",
  $points = 0.0,
  $points_unchecked = 0.0,
  $order = 0,
  $answerimage = "" 
)

Adds a possible answer for a multiple choice question.

A ASS_AnswerBinaryStateImage object will be created and assigned to the array $this->answers.

Parameters
string$answertextThe answer text
double$pointsThe points for selecting the answer (even negative points can be used)
float$points_uncheckedThe points for not selecting the answer (even positive points can be used)
integer$orderA possible display order of the answer
string$answerimage
See also
$answers
ASS_AnswerBinaryStateImage

Definition at line 461 of file class.assMultipleChoice.php.

468 {
469 include_once "./Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php";
470 if (array_key_exists($order, $this->answers))
471 {
472 // insert answer
473 $answer = new ASS_AnswerMultipleResponseImage($answertext, $points, $order, $points_unchecked, $answerimage);
474 $newchoices = array();
475 for ($i = 0; $i < $order; $i++)
476 {
477 array_push($newchoices, $this->answers[$i]);
478 }
479 array_push($newchoices, $answer);
480 for ($i = $order; $i < count($this->answers); $i++)
481 {
482 $changed = $this->answers[$i];
483 $changed->setOrder($i+1);
484 array_push($newchoices, $changed);
485 }
486 $this->answers = $newchoices;
487 }
488 else
489 {
490 // add answer
491 $answer = new ASS_AnswerMultipleResponseImage($answertext, $points, count($this->answers), $points_unchecked, $answerimage);
492 array_push($this->answers, $answer);
493 }
494 }
ASS_AnswerMultipleResponseImage
ASS_AnswerBinaryStateImage is a class for answers with a binary state indicator (checked/unchecked,...
Definition: class.assAnswerMultipleResponseImage.php:19

References $changed, and assQuestion\$points.

◆ calculateReachedPoints()

assMultipleChoice::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.

Parameters
integer$active_id
integer$pass
boolean$returndetails(deprecated !!)
Exceptions
ilTestException
Returns
integer|array $points/$details (array $details is deprecated !!)

Reimplemented from assQuestion.

Definition at line 593 of file class.assMultipleChoice.php.

594 {
595 if( $returndetails )
596 {
597 throw new ilTestException('return details not implemented for '.__METHOD__);
598 }
599
600 global $ilDB;
601
602 $found_values = array();
603 if (is_null($pass))
604 {
605 $pass = $this->getSolutionMaxPass($active_id);
606 }
607 $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorizedSolution);
608 while ($data = $ilDB->fetchAssoc($result))
609 {
610 if (strcmp($data["value1"], "") != 0)
611 {
612 array_push($found_values, $data["value1"]);
613 }
614 }
615
616 $points = $this->calculateReachedPointsForSolution($found_values, $active_id);
617
618 return $points;
619 }
$result
$result
Definition: CleanUpTest.php:407
assMultipleChoice\calculateReachedPointsForSolution
calculateReachedPointsForSolution($found_values, $active_id=0)
Definition: class.assMultipleChoice.php:1337
assQuestion\getCurrentSolutionResultSet
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass.
Definition: class.assQuestion.php:4844
assQuestion\getSolutionMaxPass
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
Definition: class.assQuestion.php:3401
ilTestException
Base Exception for all Exceptions relating to Modules/Test.
Definition: class.ilTestException.php:15
$ilDB
global $ilDB
Definition: storeScorm2004.php:19

References $data, $ilDB, $pass, assQuestion\$points, $result, calculateReachedPointsForSolution(), assQuestion\getCurrentSolutionResultSet(), and assQuestion\getSolutionMaxPass().

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◆ calculateReachedPointsForSolution()

assMultipleChoice::calculateReachedPointsForSolution (   $found_values,
  $active_id = 0 
)
protected
Parameters
$found_values
$active_id
Returns
int

Definition at line 1337 of file class.assMultipleChoice.php.

1338 {
1339 $points = 0;
1340 foreach($this->answers as $key => $answer)
1341 {
1342 if(in_array($key, $found_values))
1343 {
1344 $points += $answer->getPoints();
1345 } else
1346 {
1347 $points += $answer->getPointsUnchecked();
1348 }
1349 }
1350 if($active_id)
1351 {
1352 include_once "./Modules/Test/classes/class.ilObjTest.php";
1353 $mc_scoring = ilObjTest::_getMCScoring($active_id);
1354 if(($mc_scoring == 0) && (count($found_values) == 0))
1355 {
1356 $points = 0;
1357 }
1358 }
1359 return $points;
1360 }
ilObjTest\_getMCScoring
static _getMCScoring($active_id)
Gets the scoring type for multiple choice questions.
Definition: class.ilObjTest.php:2661

References assQuestion\$points, and ilObjTest\_getMCScoring().

Referenced by calculateReachedPoints().

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◆ copyImages()

assMultipleChoice::copyImages (   $question_id,
  $source_questionpool 
)

Definition at line 930 of file class.assMultipleChoice.php.

931 {
932 global $ilLog;
933 $imagepath = $this->getImagePath();
934 $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
935 $imagepath_original = str_replace("/$this->obj_id/", "/$source_questionpool/", $imagepath_original);
936 foreach ($this->answers as $answer)
937 {
938 $filename = $answer->getImage();
939 if (strlen($filename))
940 {
941 if (!file_exists($imagepath))
942 {
943 ilUtil::makeDirParents($imagepath);
944 }
945 if (!@copy($imagepath_original . $filename, $imagepath . $filename))
946 {
947 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
948 $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
949 }
950 if (@file_exists($imagepath_original. $this->getThumbPrefix(). $filename))
951 {
952 if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename))
953 {
954 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
955 $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
956 }
957 }
958 }
959 }
960 }
assQuestion\getImagePath
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
Definition: class.assQuestion.php:1669
ilUtil\makeDirParents
static makeDirParents($a_dir)
Create a new directory and all parent directories.
Definition: class.ilUtil.php:2430
$ilLog
$ilLog
Definition: inc.setup_header.php:130

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

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◆ copyObject()

assMultipleChoice::copyObject (   $target_questionpool_id,
  $title = "" 
)

Copies an assMultipleChoice object.

Definition at line 357 of file class.assMultipleChoice.php.

358 {
359 if ($this->id <= 0)
360 {
361 // The question has not been saved. It cannot be duplicated
362 return;
363 }
364 // duplicate the question in database
365 $clone = $this;
366 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
367 $original_id = assQuestion::_getOriginalId($this->id);
368 $clone->id = -1;
369 $source_questionpool_id = $this->getObjId();
370 $clone->setObjId($target_questionpool_id);
371 if ($title)
372 {
373 $clone->setTitle($title);
374 }
375 $clone->saveToDb();
376 // copy question page content
377 $clone->copyPageOfQuestion($original_id);
378 // copy XHTML media objects
379 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
380 // duplicate the image
381 $clone->copyImages($original_id, $source_questionpool_id);
382
383 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
384
385 return $clone->id;
386 }
assQuestion\_getOriginalId
static _getOriginalId($question_id)
Returns the original id of a question.
Definition: class.assQuestion.php:3179
assQuestion\getObjId
getObjId()
Get the object id of the container object.
Definition: class.assQuestion.php:905

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

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◆ createNewOriginalFromThisDuplicate()

assMultipleChoice::createNewOriginalFromThisDuplicate (   $targetParentId,
  $targetQuestionTitle = "" 
)

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

389 {
390 if ($this->id <= 0)
391 {
392 // The question has not been saved. It cannot be duplicated
393 return;
394 }
395
396 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
397
398 $sourceQuestionId = $this->id;
399 $sourceParentId = $this->getObjId();
400
401 // duplicate the question in database
402 $clone = $this;
403 $clone->id = -1;
404
405 $clone->setObjId($targetParentId);
406
407 if ($targetQuestionTitle)
408 {
409 $clone->setTitle($targetQuestionTitle);
410 }
411
412 $clone->saveToDb();
413 // copy question page content
414 $clone->copyPageOfQuestion($sourceQuestionId);
415 // copy XHTML media objects
416 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
417 // duplicate the image
418 $clone->copyImages($sourceQuestionId, $sourceParentId);
419
420 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
421
422 return $clone->id;
423 }

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

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◆ deleteAnswer()

assMultipleChoice::deleteAnswer (   $index = 0)

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$indexA nonnegative index of the n-th answer
See also
$answers

Definition at line 531 of file class.assMultipleChoice.php.

532 {
533 if ($index < 0) return;
534 if (count($this->answers) < 1) return;
535 if ($index >= count($this->answers)) return;
536 $answer = $this->answers[$index];
537 if (strlen($answer->getImage())) $this->deleteImage($answer->getImage());
538 unset($this->answers[$index]);
539 $this->answers = array_values($this->answers);
540 for ($i = 0; $i < count($this->answers); $i++)
541 {
542 if ($this->answers[$i]->getOrder() > $index)
543 {
544 $this->answers[$i]->setOrder($i);
545 }
546 }
547 }
assMultipleChoice\deleteImage
deleteImage($image_filename)
Deletes an image file.
Definition: class.assMultipleChoice.php:872

References deleteImage().

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◆ deleteImage()

assMultipleChoice::deleteImage (   $image_filename)
protected

Deletes an image file.

Parameters
string$image_filenameName of the image file to delete

Definition at line 872 of file class.assMultipleChoice.php.

873 {
874 $imagepath = $this->getImagePath();
875 @unlink($imagepath . $image_filename);
876 $thumbpath = $imagepath . $this->getThumbPrefix() . $image_filename;
877 @unlink($thumbpath);
878 }

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

Referenced by deleteAnswer(), and removeAnswerImage().

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◆ duplicate()

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

Duplicates an assMultipleChoiceQuestion.

Reimplemented from assQuestion.

Definition at line 298 of file class.assMultipleChoice.php.

299 {
300 if ($this->id <= 0)
301 {
302 // The question has not been saved. It cannot be duplicated
303 return;
304 }
305 // duplicate the question in database
306 $this_id = $this->getId();
307 $thisObjId = $this->getObjId();
308
309 $clone = $this;
310 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
311 $original_id = assQuestion::_getOriginalId($this->id);
312 $clone->id = -1;
313
314 if( (int)$testObjId > 0 )
315 {
316 $clone->setObjId($testObjId);
317 }
318
319 if ($title)
320 {
321 $clone->setTitle($title);
322 }
323
324 if ($author)
325 {
326 $clone->setAuthor($author);
327 }
328 if ($owner)
329 {
330 $clone->setOwner($owner);
331 }
332
333 if ($for_test)
334 {
335 $clone->saveToDb($original_id);
336 }
337 else
338 {
339 $clone->saveToDb();
340 }
341
342 // copy question page content
343 $clone->copyPageOfQuestion($this_id);
344 // copy XHTML media objects
345 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
346 // duplicate the images
347 $clone->duplicateImages($this_id, $thisObjId);
348
349 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
350
351 return $clone->id;
352 }
assQuestion\getId
getId()
Gets the id of the assQuestion object.
Definition: class.assQuestion.php:784

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

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◆ flushAnswers()

assMultipleChoice::flushAnswers ( )

Deletes all answers.

See also
$answers

Definition at line 554 of file class.assMultipleChoice.php.

555 {
556 $this->answers = array();
557 }

◆ generateThumbForFile()

assMultipleChoice::generateThumbForFile (   $path,
  $file 
)
protected
Parameters
$pathstring
$filestring

Definition at line 202 of file class.assMultipleChoice.php.

203 {
204 $filename = $path . $file;
205 if (@file_exists($filename))
206 {
207 $thumbpath = $path . $this->getThumbPrefix() . $file;
208 $path_info = @pathinfo($filename);
209 $ext = "";
210 switch (strtoupper($path_info['extension']))
211 {
212 case 'PNG':
213 $ext = 'PNG';
214 break;
215 case 'GIF':
216 $ext = 'GIF';
217 break;
218 default:
219 $ext = 'JPEG';
220 break;
221 }
222 ilUtil::convertImage($filename, $thumbpath, $ext, $this->getThumbSize());
223 }
224 }
$path
$path
Definition: aliased.php:25
ilUtil\convertImage
static convertImage($a_from, $a_to, $a_target_format="", $a_geometry="", $a_background_color="")
convert image
Definition: class.ilUtil.php:2023
$file
if(!file_exists("$old.txt")) if( $old===$new) if(file_exists("$new.txt")) $file
Definition: rename-config.php:43

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

Referenced by rebuildThumbnails(), and setImageFile().

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◆ getAdditionalTableName()

assMultipleChoice::getAdditionalTableName ( )

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

Returns
string The additional table name

Reimplemented from assQuestion.

Definition at line 808 of file class.assMultipleChoice.php.

809 {
810 return "qpl_qst_mc";
811 }

Referenced by loadFromDb().

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◆ getAnswer()

assMultipleChoice::getAnswer (   $index = 0)

Returns 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$indexA nonnegative index of the n-th answer
Returns
object ASS_AnswerBinaryStateImage-Object containing the answer
See also
$answers

Definition at line 515 of file class.assMultipleChoice.php.

516 {
517 if ($index < 0) return NULL;
518 if (count($this->answers) < 1) return NULL;
519 if ($index >= count($this->answers)) return NULL;
520
521 return $this->answers[$index];
522 }

Referenced by getAvailableAnswerOptions().

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◆ getAnswerCount()

assMultipleChoice::getAnswerCount ( )

Returns the number of answers.

Returns
integer The number of answers of the multiple choice question
See also
$answers

Definition at line 502 of file class.assMultipleChoice.php.

503 {
504 return count($this->answers);
505 }

◆ getAnswers()

& assMultipleChoice::getAnswers ( )

Returns a reference to the answers array.

Definition at line 1027 of file class.assMultipleChoice.php.

1028 {
1029 return $this->answers;
1030 }

References $answers.

Referenced by getAvailableAnswerOptions(), lmMigrateQuestionTypeSpecificContent(), rebuildThumbnails(), setExportDetailsXLS(), and toJSON().

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◆ getAnswerTableName()

assMultipleChoice::getAnswerTableName ( )

Returns the name of the answer table in the database.

Returns
string The answer table name

Reimplemented from assQuestion.

Definition at line 818 of file class.assMultipleChoice.php.

819 {
820 return "qpl_a_mc";
821 }

◆ getAvailableAnswerOptions()

assMultipleChoice::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 1444 of file class.assMultipleChoice.php.

1445 {
1446 if($index !== null)
1447 {
1448 return $this->getAnswer($index);
1449 }
1450 else
1451 {
1452 return $this->getAnswers();
1453 }
1454 }
assMultipleChoice\getAnswer
getAnswer($index=0)
Returns an answer with a given index.
Definition: class.assMultipleChoice.php:515
assMultipleChoice\getAnswers
& getAnswers()
Returns a reference to the answers array.
Definition: class.assMultipleChoice.php:1027

References getAnswer(), and getAnswers().

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◆ getExpressionTypes()

assMultipleChoice::getExpressionTypes ( )

Get all available expression types for a specific question.

Returns
array

Implements iQuestionCondition.

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

1381 {
1382 return array(
1383 iQuestionCondition::PercentageResultExpression,
1384 iQuestionCondition::NumberOfResultExpression,
1385 iQuestionCondition::ExclusiveResultExpression,
1386 iQuestionCondition::EmptyAnswerExpression,
1387 );
1388 }

References iQuestionCondition\EmptyAnswerExpression, iQuestionCondition\ExclusiveResultExpression, iQuestionCondition\NumberOfResultExpression, and iQuestionCondition\PercentageResultExpression.

◆ getIsSingleline()

assMultipleChoice::getIsSingleline ( )
Returns
mixed

Definition at line 71 of file class.assMultipleChoice.php.

72 {
73 return $this->isSingleline;
74 }

References $isSingleline.

◆ getLastChange()

assMultipleChoice::getLastChange ( )
Returns
mixed

Reimplemented from assQuestion.

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

88 {
89 return $this->lastChange;
90 }

References $lastChange.

◆ getMaximumPoints()

assMultipleChoice::getMaximumPoints ( )

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

See also
$points

Reimplemented from assQuestion.

Definition at line 564 of file class.assMultipleChoice.php.

565 {
566 $points = 0;
567 $allpoints = 0;
568 foreach ($this->answers as $key => $value)
569 {
570 if ($value->getPoints() > $value->getPointsUnchecked())
571 {
572 $allpoints += $value->getPoints();
573 }
574 else
575 {
576 $allpoints += $value->getPointsUnchecked();
577 }
578 }
579 return $allpoints;
580 }

References assQuestion\$points.

Referenced by isComplete().

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◆ getMultilineAnswerSetting()

assMultipleChoice::getMultilineAnswerSetting ( )

Definition at line 1152 of file class.assMultipleChoice.php.

1153 {
1154 global $ilUser;
1155
1156 $multilineAnswerSetting = $ilUser->getPref("tst_multiline_answers");
1157 if ($multilineAnswerSetting != 1)
1158 {
1159 $multilineAnswerSetting = 0;
1160 }
1161 return $multilineAnswerSetting;
1162 }
$ilUser
$ilUser
Definition: imgupload.php:18

References $ilUser.

◆ getOperators()

assMultipleChoice::getOperators (   $expression)

Get all available operations for a specific question.

Parameters
string$expression

Implements iQuestionCondition.

Definition at line 1370 of file class.assMultipleChoice.php.

1371 {
1372 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1373 return ilOperatorsExpressionMapping::getOperatorsByExpression($expression);
1374 }

References ilOperatorsExpressionMapping\getOperatorsByExpression().

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◆ getOutputType()

assMultipleChoice::getOutputType ( )

Gets the multiple choice output type which is either OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).

Returns
integer The output type of the assMultipleChoice object
See also
$output_type

Reimplemented from assQuestion.

Definition at line 431 of file class.assMultipleChoice.php.

432 {
433 return $this->output_type;
434 }

References $output_type.

◆ getQuestionType()

assMultipleChoice::getQuestionType ( )

Returns the question type of the question.

Returns
integer The question type of the question

Reimplemented from assQuestion.

Definition at line 798 of file class.assMultipleChoice.php.

799 {
800 return "assMultipleChoice";
801 }

Referenced by toJSON().

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◆ getRTETextWithMediaObjects()

assMultipleChoice::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 1012 of file class.assMultipleChoice.php.

1013 {
1014 $text = parent::getRTETextWithMediaObjects();
1015 foreach ($this->answers as $index => $answer)
1016 {
1017 $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->getId(), $index);
1018 $answer_obj = $this->answers[$index];
1019 $text .= $answer_obj->getAnswertext();
1020 }
1021 return $text;
1022 }
$text
$text
Definition: example_020.php:127

References $text, and assQuestion\getId().

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◆ getSelectionLimit()

assMultipleChoice::getSelectionLimit ( )
Returns
int

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

128 {
129 return $this->selectionLimit;
130 }

References $selectionLimit.

Referenced by toJSON(), and validateSolutionSubmit().

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◆ getSolutionSubmit()

assMultipleChoice::getSolutionSubmit ( )
protected
Returns
array

Definition at line 1316 of file class.assMultipleChoice.php.

1317 {
1318 $solutionSubmit = array();
1319 foreach($_POST as $key => $value)
1320 {
1321 if(preg_match("/^multiple_choice_result_(\d+)/", $key))
1322 {
1323 if(strlen($value))
1324 {
1325 $solutionSubmit[] = $value;
1326 }
1327 }
1328 }
1329 return $solutionSubmit;
1330 }
$_POST
$_POST["username"]
Definition: cfg.phpunit.template.php:11

References $_POST.

Referenced by validateSolutionSubmit().

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◆ getSpecificFeedbackAllCorrectOptionLabel()

assMultipleChoice::getSpecificFeedbackAllCorrectOptionLabel ( )

Implements ilAssSpecificFeedbackOptionLabelProvider.

Definition at line 1205 of file class.assMultipleChoice.php.

1206 {
1207 return 'feedback_correct_sc_mc';
1208 }

◆ getSpecificFeedbackSetting()

assMultipleChoice::getSpecificFeedbackSetting ( )

Gets the current feedback settings in effect for the question.

Values are: 1 - Feedback is shown for all answer options. 2 - Feedback is shown for all checked/selected options. 3 - Feedback is shown for all correct options.

Returns
integer

Definition at line 1193 of file class.assMultipleChoice.php.

1194 {
1195 if ($this->feedback_setting)
1196 {
1197 return $this->feedback_setting;
1198 }
1199 else
1200 {
1201 return 1;
1202 }
1203 }

References $feedback_setting.

◆ getThumbPrefix()

assMultipleChoice::getThumbPrefix ( )
Returns
string

Definition at line 193 of file class.assMultipleChoice.php.

194 {
195 return "thumb.";
196 }

Referenced by copyImages(), deleteImage(), generateThumbForFile(), and syncImages().

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◆ getThumbSize()

assMultipleChoice::getThumbSize ( )

Definition at line 1068 of file class.assMultipleChoice.php.

1069 {
1070 return $this->thumb_size;
1071 }

References $thumb_size.

Referenced by generateThumbForFile(), rebuildThumbnails(), setImageFile(), and toJSON().

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◆ isAnswered()

assMultipleChoice::isAnswered (   $active_id,
  $pass = NULL 
)

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

(overwrites method in class assQuestion)

Parameters
integer$active_id
integer$pass
Returns
boolean $answered

Reimplemented from assQuestion.

Definition at line 1221 of file class.assMultipleChoice.php.

1222 {
1223 $numExistingSolutionRecords = assQuestion::getNumExistingSolutionRecords($active_id, $pass, $this->getId());
1224
1225 return $numExistingSolutionRecords > 0;
1226 }
assQuestion\getNumExistingSolutionRecords
static getNumExistingSolutionRecords($activeId, $pass, $questionId)
returns the number of existing solution records for the given test active / pass and given question i...
Definition: class.assQuestion.php:4660

References $pass, assQuestion\getId(), and assQuestion\getNumExistingSolutionRecords().

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◆ isComplete()

assMultipleChoice::isComplete ( )

Returns true, if a multiple choice question is complete for use.

Returns
boolean True, if the multiple choice question is complete for use, otherwise false @access public

Reimplemented from assQuestion.

Definition at line 146 of file class.assMultipleChoice.php.

147 {
148 if (strlen($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->getMaximumPoints() > 0))
149 {
150 return true;
151 }
152 else
153 {
154 return false;
155 }
156 }
assMultipleChoice\getMaximumPoints
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
Definition: class.assMultipleChoice.php:564

References getMaximumPoints().

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◆ lmMigrateQuestionTypeSpecificContent()

assMultipleChoice::lmMigrateQuestionTypeSpecificContent ( ilAssSelfAssessmentMigrator  $migrator)
protected
Parameters
ilAssSelfAssessmentMigrator$migrator

Reimplemented from assQuestion.

Definition at line 1081 of file class.assMultipleChoice.php.

1082 {
1083 foreach($this->getAnswers() as $answer)
1084 {
1085 /* @var ASS_AnswerBinaryStateImage $answer */
1086 $answer->setAnswertext( $migrator->migrateToLmContent($answer->getAnswertext()) );
1087 }
1088 }

References getAnswers(), and ilAssSelfAssessmentMigrator\migrateToLmContent().

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◆ loadFromDb()

assMultipleChoice::loadFromDb (   $question_id)

Loads a assMultipleChoice object from a database.

Parameters
integer$question_idA unique key which defines the multiple choice test in the database

Reimplemented from assQuestion.

Definition at line 231 of file class.assMultipleChoice.php.

232 {
233 global $ilDB;
234 $hasimages = 0;
235
236 $result = $ilDB->queryF("SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
237 array("integer"),
238 array($question_id)
239 );
240 if ($result->numRows() == 1)
241 {
242 $data = $ilDB->fetchAssoc($result);
243 $this->setId($question_id);
244 $this->setObjId($data["obj_fi"]);
245 $this->setTitle($data["title"]);
246 $this->setNrOfTries($data['nr_of_tries']);
247 $this->setComment($data["description"]);
248 $this->setOriginalId($data["original_id"]);
249 $this->setAuthor($data["author"]);
250 $this->setPoints($data["points"]);
251 $this->setOwner($data["owner"]);
252 include_once("./Services/RTE/classes/class.ilRTE.php");
253 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
254 $shuffle = (is_null($data['shuffle'])) ? true : $data['shuffle'];
255 $this->setShuffle($shuffle);
256 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
257 $this->setThumbSize($data['thumb_size']);
258 $this->isSingleline = ($data['allow_images']) ? false : true;
259 $this->lastChange = $data['tstamp'];
260 $this->setSelectionLimit((int)$data['selection_limit'] > 0 ? (int)$data['selection_limit'] : null);
261 $this->feedback_setting = $data['feedback_setting'];
262
263 try
264 {
265 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
266 }
267 catch(ilTestQuestionPoolException $e)
268 {
269 }
270 }
271
272 $result = $ilDB->queryF("SELECT * FROM qpl_a_mc WHERE question_fi = %s ORDER BY aorder ASC",
273 array('integer'),
274 array($question_id)
275 );
276 include_once "./Modules/TestQuestionPool/classes/class.assAnswerMultipleResponseImage.php";
277 if ($result->numRows() > 0)
278 {
279 while ($data = $ilDB->fetchAssoc($result))
280 {
281 $imagefilename = $this->getImagePath() . $data["imagefile"];
282 if (!@file_exists($imagefilename))
283 {
284 $data["imagefile"] = "";
285 }
286 include_once("./Services/RTE/classes/class.ilRTE.php");
287 $data["answertext"] = ilRTE::_replaceMediaObjectImageSrc($data["answertext"], 1);
288 array_push($this->answers, new ASS_AnswerMultipleResponseImage($data["answertext"], $data["points"], $data["aorder"], $data["points_unchecked"], $data["imagefile"]));
289 }
290 }
291
292 parent::loadFromDb($question_id);
293 }
assMultipleChoice\getAdditionalTableName
getAdditionalTableName()
Returns the name of the additional question data table in the database.
Definition: class.assMultipleChoice.php:808
assMultipleChoice\setSelectionLimit
setSelectionLimit($selectionLimit)
Definition: class.assMultipleChoice.php:135
assQuestion\setShuffle
setShuffle($shuffle=true)
Sets the shuffle flag.
Definition: class.assQuestion.php:662
assQuestion\setId
setId($id=-1)
Sets the id of the assQuestion object.
Definition: class.assQuestion.php:613
assQuestion\setOriginalId
setOriginalId($original_id)
Definition: class.assQuestion.php:2454
assQuestion\setObjId
setObjId($obj_id=0)
Set the object id of the container object.
Definition: class.assQuestion.php:917
assQuestion\setTitle
setTitle($title="")
Sets the title string of the assQuestion object.
Definition: class.assQuestion.php:601
assQuestion\setOwner
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
Definition: class.assQuestion.php:749
assQuestion\setEstimatedWorkingTime
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
Definition: class.assQuestion.php:684
assQuestion\setAuthor
setAuthor($author="")
Sets the authors name of the assQuestion object.
Definition: class.assQuestion.php:733
assQuestion\setPoints
setPoints($a_points)
Sets the maximum available points for the question.
Definition: class.assQuestion.php:3390
assQuestion\setComment
setComment($comment="")
Sets the comment string of the assQuestion object.
Definition: class.assQuestion.php:637
assQuestion\setNrOfTries
setNrOfTries($a_nr_of_tries)
Definition: class.assQuestion.php:4369
assQuestion\setAdditionalContentEditingMode
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
Definition: class.assQuestion.php:4701
assQuestion\setQuestion
setQuestion($question="")
Sets the question string of the question object.
Definition: class.assQuestion.php:3844
ilRTE\_replaceMediaObjectImageSrc
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
Replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Definition: class.ilRTE.php:237

References $data, $ilDB, $result, assQuestion\$shuffle, ilRTE\_replaceMediaObjectImageSrc(), getAdditionalTableName(), assQuestion\getImagePath(), assQuestion\setAdditionalContentEditingMode(), assQuestion\setAuthor(), assQuestion\setComment(), assQuestion\setEstimatedWorkingTime(), assQuestion\setId(), assQuestion\setNrOfTries(), assQuestion\setObjId(), assQuestion\setOriginalId(), assQuestion\setOwner(), assQuestion\setPoints(), assQuestion\setQuestion(), setSelectionLimit(), assQuestion\setShuffle(), setThumbSize(), and assQuestion\setTitle().

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◆ rebuildThumbnails()

assMultipleChoice::rebuildThumbnails ( )
protected

Rebuild the thumbnail images with a new thumbnail size.

Definition at line 176 of file class.assMultipleChoice.php.

177 {
178 if ($this->isSingleline && ($this->getThumbSize()))
179 {
180 foreach ($this->getAnswers() as $answer)
181 {
182 if (strlen($answer->getImage()))
183 {
184 $this->generateThumbForFile($this->getImagePath(), $answer->getImage());
185 }
186 }
187 }
188 }
assMultipleChoice\generateThumbForFile
generateThumbForFile($path, $file)
Definition: class.assMultipleChoice.php:202

References generateThumbForFile(), getAnswers(), assQuestion\getImagePath(), and getThumbSize().

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◆ removeAnswerImage()

assMultipleChoice::removeAnswerImage (   $index)

Definition at line 1142 of file class.assMultipleChoice.php.

1143 {
1144 $answer = $this->answers[$index];
1145 if (is_object($answer))
1146 {
1147 $this->deleteImage($answer->getImage());
1148 $answer->setImage('');
1149 }
1150 }

References deleteImage().

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◆ reworkWorkingData()

assMultipleChoice::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 779 of file class.assMultipleChoice.php.

780 {
781 // nothing to rework!
782 }

◆ saveToDb()

assMultipleChoice::saveToDb (   $original_id = "")

Saves a assMultipleChoice object to a database.

Parameters
string$original_id

Reimplemented from assQuestion.

Definition at line 163 of file class.assMultipleChoice.php.

164 {
165 $this->saveQuestionDataToDb($original_id);
166 $this->saveAdditionalQuestionDataToDb();
167 $this->saveAnswerSpecificDataToDb();
168
169 $this->ensureNoInvalidObligation($this->getId());
170 parent::saveToDb($original_id);
171 }
assQuestion\saveQuestionDataToDb
saveQuestionDataToDb($original_id="")
Definition: class.assQuestion.php:2625
ilObjAnswerScoringAdjustable\saveAnswerSpecificDataToDb
saveAnswerSpecificDataToDb()
Saves the answer specific records into a question types answer table.
ilObjQuestionScoringAdjustable\saveAdditionalQuestionDataToDb
saveAdditionalQuestionDataToDb()
Saves a record to the question types additional data table.

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

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◆ setExportDetailsXLS()

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

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

Parameters
object$worksheetReference to the parent excel worksheet
object$startrowStartrow of the output in the excel worksheet
object$active_idActive id of the participant
object$passTest pass
Returns
object
}

Reimplemented from assQuestion.

Definition at line 1035 of file class.assMultipleChoice.php.

1036 {
1037 parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
1038
1039 $solution = $this->getSolutionValues($active_id, $pass);
1040
1041 $i = 1;
1042 foreach ($this->getAnswers() as $id => $answer)
1043 {
1044 $worksheet->setCell($startrow + $i, 0, $answer->getAnswertext());
1045 $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + $i));
1046 $checked = FALSE;
1047 foreach ($solution as $solutionvalue)
1048 {
1049 if ($id == $solutionvalue["value1"])
1050 {
1051 $checked = TRUE;
1052 }
1053 }
1054 if ($checked)
1055 {
1056 $worksheet->setCell($startrow + $i, 1, 1);
1057 }
1058 else
1059 {
1060 $worksheet->setCell($startrow + $i, 1, 0);
1061 }
1062 $i++;
1063 }
1064
1065 return $startrow + $i + 1;
1066 }
$worksheet
$worksheet
Definition: 40duplicateStyle.php:17
assQuestion\getSolutionValues
getSolutionValues($active_id, $pass=NULL, $authorized=true)
Loads solutions of a given user from the database an returns it.
Definition: class.assQuestion.php:1789

References assQuestion\$id, $pass, $worksheet, getAnswers(), and assQuestion\getSolutionValues().

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◆ setImageFile()

assMultipleChoice::setImageFile (   $image_filename,
  $image_tempfilename = "" 
)

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

Parameters
string$image_filenameName of the original image file
string$image_tempfilenameName of the temporary uploaded image file
Returns
integer An errorcode if the image upload fails, 0 otherwise

Definition at line 830 of file class.assMultipleChoice.php.

831 {
832 $result = 0;
833 if (!empty($image_tempfilename))
834 {
835 $image_filename = str_replace(" ", "_", $image_filename);
836 $imagepath = $this->getImagePath();
837 if (!file_exists($imagepath))
838 {
839 ilUtil::makeDirParents($imagepath);
840 }
841 if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath.$image_filename))
842 {
843 $result = 2;
844 }
845 else
846 {
847 include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
848 $mimetype = ilObjMediaObject::getMimeType($imagepath . $image_filename);
849 if (!preg_match("/^image/", $mimetype))
850 {
851 unlink($imagepath . $image_filename);
852 $result = 1;
853 }
854 else
855 {
856 // create thumbnail file
857 if ($this->isSingleline && ($this->getThumbSize()))
858 {
859 $this->generateThumbForFile($imagepath, $image_filename);
860 }
861 }
862 }
863 }
864 return $result;
865 }
ilObjMediaObject\getMimeType
static getMimeType($a_file, $a_external=false)
get mime type for file
Definition: class.ilObjMediaObject.php:1518
ilUtil\moveUploadedFile
static moveUploadedFile($a_file, $a_name, $a_target, $a_raise_errors=true, $a_mode="move_uploaded")
move uploaded file
Definition: class.ilUtil.php:4096

References $result, generateThumbForFile(), assQuestion\getImagePath(), ilObjMediaObject\getMimeType(), getThumbSize(), ilUtil\makeDirParents(), and ilUtil\moveUploadedFile().

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◆ setIsSingleline()

assMultipleChoice::setIsSingleline (   $isSingleline)
Parameters
mixed$isSingleline

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

64 {
65 $this->isSingleline = $isSingleline;
66 }

References $isSingleline.

◆ setLastChange()

assMultipleChoice::setLastChange (   $lastChange)
Parameters
mixed$lastChange

Reimplemented from assQuestion.

Definition at line 79 of file class.assMultipleChoice.php.

80 {
81 $this->lastChange = $lastChange;
82 }

References $lastChange.

◆ setMultilineAnswerSetting()

assMultipleChoice::setMultilineAnswerSetting (   $a_setting = 0)

Definition at line 1164 of file class.assMultipleChoice.php.

1165 {
1166 global $ilUser;
1167 $ilUser->writePref("tst_multiline_answers", $a_setting);
1168 }

References $ilUser.

◆ setOutputType()

assMultipleChoice::setOutputType (   $output_type = OUTPUT_ORDER)

Sets the output type of the assMultipleChoice object.

Parameters
int | string$output_typeA nonnegative integer value specifying the output type. It is OUTPUT_ORDER (=0) or OUTPUT_RANDOM (=1).
See also
$response

Reimplemented from assQuestion.

Definition at line 443 of file class.assMultipleChoice.php.

444 {
445 $this->output_type = $output_type;
446 }

References $output_type.

◆ setSelectionLimit()

assMultipleChoice::setSelectionLimit (   $selectionLimit)
Parameters
int$selectionLimit

Definition at line 135 of file class.assMultipleChoice.php.

136 {
137 $this->selectionLimit = $selectionLimit;
138 }

References $selectionLimit.

Referenced by loadFromDb().

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◆ setSpecificFeedbackSetting()

assMultipleChoice::setSpecificFeedbackSetting (   $a_feedback_setting)

Sets the feedback settings in effect for the question.

Options are: 1 - Feedback is shown for all answer options. 2 - Feedback is shown for all checked/selected options. 3 - Feedback is shown for all correct options.

Parameters
integer$a_feedback_setting

Definition at line 1179 of file class.assMultipleChoice.php.

1180 {
1181 $this->feedback_setting = $a_feedback_setting;
1182 }

◆ setThumbSize()

assMultipleChoice::setThumbSize (   $a_size)

Definition at line 1073 of file class.assMultipleChoice.php.

1074 {
1075 $this->thumb_size = $a_size;
1076 }

Referenced by loadFromDb().

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◆ syncImages()

assMultipleChoice::syncImages ( )
protected

Sync images of a MC question on synchronisation with the original question.

Definition at line 965 of file class.assMultipleChoice.php.

966 {
967 global $ilLog;
968
969 $imagepath = $this->getImagePath();
970
971 $question_id = $this->getOriginalId();
972 $originalObjId = parent::lookupParentObjId($this->getOriginalId());
973 $imagepath_original = $this->getImagePath($question_id, $originalObjId);
974
975 ilUtil::delDir($imagepath_original);
976 foreach ($this->answers as $answer)
977 {
978 $filename = $answer->getImage();
979 if (strlen($filename))
980 {
981 if (@file_exists($imagepath . $filename))
982 {
983 if (!file_exists($imagepath))
984 {
985 ilUtil::makeDirParents($imagepath);
986 }
987 if (!file_exists($imagepath_original))
988 {
989 ilUtil::makeDirParents($imagepath_original);
990 }
991 if (!@copy($imagepath . $filename, $imagepath_original . $filename))
992 {
993 $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
994 $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
995 }
996 }
997 if (@file_exists($imagepath . $this->getThumbPrefix() . $filename))
998 {
999 if (!@copy($imagepath . $this->getThumbPrefix() . $filename, $imagepath_original . $this->getThumbPrefix() . $filename))
1000 {
1001 $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
1002 $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
1003 }
1004 }
1005 }
1006 }
1007 }
ilUtil\delDir
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
Definition: class.ilUtil.php:2501

References $filename, $ilLog, ilUtil\delDir(), assQuestion\getImagePath(), assQuestion\getOriginalId(), getThumbPrefix(), and ilUtil\makeDirParents().

Referenced by syncWithOriginal().

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◆ syncWithOriginal()

assMultipleChoice::syncWithOriginal ( )

Reimplemented from assQuestion.

Definition at line 784 of file class.assMultipleChoice.php.

785 {
786 if ($this->getOriginalId())
787 {
788 $this->syncImages();
789 parent::syncWithOriginal();
790 }
791 }
assMultipleChoice\syncImages
syncImages()
Sync images of a MC question on synchronisation with the original question.
Definition: class.assMultipleChoice.php:965

References assQuestion\getOriginalId(), and syncImages().

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◆ toJSON()

assMultipleChoice::toJSON ( )

Returns a JSON representation of the question.

Reimplemented from assQuestion.

Definition at line 1093 of file class.assMultipleChoice.php.

1094 {
1095 require_once './Services/RTE/classes/class.ilRTE.php';
1096 $result = array();
1097 $result['id'] = (int) $this->getId();
1098 $result['type'] = (string) $this->getQuestionType();
1099 $result['title'] = (string) $this->getTitle();
1100 $result['question'] = $this->formatSAQuestion($this->getQuestion());
1101 $result['nr_of_tries'] = (int) $this->getNrOfTries();
1102 $result['shuffle'] = (bool) $this->getShuffle();
1103 $result['selection_limit'] = (int)$this->getSelectionLimit();
1104 $result['feedback'] = array(
1105 'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
1106 'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
1107 );
1108
1109 $answers = array();
1110 $has_image = false;
1111 foreach ($this->getAnswers() as $key => $answer_obj)
1112 {
1113 if((string) $answer_obj->getImage())
1114 {
1115 $has_image = true;
1116 }
1117 array_push($answers, array(
1118 "answertext" => (string) $this->formatSAQuestion($answer_obj->getAnswertext()),
1119 "points_checked" => (float) $answer_obj->getPointsChecked(),
1120 "points_unchecked" => (float) $answer_obj->getPointsUnchecked(),
1121 "order" => (int) $answer_obj->getOrder(),
1122 "image" => (string) $answer_obj->getImage(),
1123 "feedback" => $this->formatSAQuestion(
1124 $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), $key)
1125 )
1126 ));
1127 }
1128 $result['answers'] = $answers;
1129
1130 if($has_image)
1131 {
1132 $result['path'] = $this->getImagePathWeb();
1133 $result['thumb'] = $this->getThumbSize();
1134 }
1135
1136 $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
1137 $result['mobs'] = $mobs;
1138
1139 return json_encode($result);
1140 }
assMultipleChoice\getQuestionType
getQuestionType()
Returns the question type of the question.
Definition: class.assMultipleChoice.php:798
assQuestion\formatSAQuestion
formatSAQuestion($a_q)
Format self assessment question.
Definition: class.assQuestion.php:4408
assQuestion\getShuffle
getShuffle()
Gets the shuffle flag.
Definition: class.assQuestion.php:796
assQuestion\getTitle
getTitle()
Gets the title string of the assQuestion object.
Definition: class.assQuestion.php:761
assQuestion\getQuestion
getQuestion()
Gets the question string of the question object.
Definition: class.assQuestion.php:3832
assQuestion\getImagePathWeb
getImagePathWeb()
Returns the web image path for web accessable images of a question.
Definition: class.assQuestion.php:1733
ilObjMediaObject\_getMobsOfObject
static _getMobsOfObject($a_type, $a_id, $a_usage_hist_nr=0, $a_lang="-")
get mobs of object
Definition: class.ilObjMediaObject.php:1069
$mobs
$mobs
Definition: imagemanager.php:71

References $answers, $mobs, $result, ilObjMediaObject\_getMobsOfObject(), assQuestion\formatSAQuestion(), getAnswers(), assQuestion\getId(), assQuestion\getImagePathWeb(), assQuestion\getNrOfTries(), assQuestion\getQuestion(), getQuestionType(), getSelectionLimit(), assQuestion\getShuffle(), getThumbSize(), and assQuestion\getTitle().

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◆ validateSolutionSubmit()

assMultipleChoice::validateSolutionSubmit ( )

Reimplemented from assQuestion.

Definition at line 621 of file class.assMultipleChoice.php.

622 {
623 $submit = $this->getSolutionSubmit();
624
625 if( $this->getSelectionLimit() )
626 {
627 if( count($submit) > $this->getSelectionLimit() )
628 {
629 $failureMsg = sprintf($this->lng->txt('ass_mc_sel_lim_exhausted_hint'),
630 $this->getSelectionLimit(), $this->getAnswerCount()
631 );
632
633 ilUtil::sendFailure($failureMsg, true);
634 return false;
635 }
636 }
637
638 return true;
639 }
sprintf
sprintf('%.4f', $callTime)
Definition: 01pharSimple.php:87
ilUtil\sendFailure
static sendFailure($a_info="", $a_keep=false)
Send Failure Message to Screen.
Definition: class.ilUtil.php:4771

References getSelectionLimit(), getSolutionSubmit(), ilUtil\sendFailure(), and sprintf.

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Field Documentation

◆ $answers

assMultipleChoice::$answers

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

Referenced by getAnswers(), and toJSON().

◆ $feedback_setting

assMultipleChoice::$feedback_setting

Definition at line 50 of file class.assMultipleChoice.php.

Referenced by getSpecificFeedbackSetting().

◆ $isSingleline

assMultipleChoice::$isSingleline

Definition at line 48 of file class.assMultipleChoice.php.

Referenced by getIsSingleline(), and setIsSingleline().

◆ $lastChange

assMultipleChoice::$lastChange

Definition at line 49 of file class.assMultipleChoice.php.

Referenced by getLastChange(), and setLastChange().

◆ $output_type

assMultipleChoice::$output_type

Definition at line 46 of file class.assMultipleChoice.php.

Referenced by __construct(), getOutputType(), and setOutputType().

◆ $selectionLimit

assMultipleChoice::$selectionLimit
protected

Definition at line 58 of file class.assMultipleChoice.php.

Referenced by getSelectionLimit(), and setSelectionLimit().

◆ $thumb_size

assMultipleChoice::$thumb_size
protected

Definition at line 53 of file class.assMultipleChoice.php.

Referenced by getThumbSize().

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