ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5
assSingleChoice Class Reference

Class for single choice questions. More...

+ Inheritance diagram for assSingleChoice:
+ Collaboration diagram for assSingleChoice:

Public Member Functions

 __construct ( $title="", $comment="", $author="", $owner=-1, $question="", $output_type=OUTPUT_ORDER)
 assSingleChoice constructor More...
 
 isComplete ()
 Returns true, if a single choice question is complete for use. More...
 
 getThumbPrefix ()
 
 loadFromDb ($question_id)
 Loads a assSingleChoice object from a database. More...
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 Duplicates an assSingleChoiceQuestion. More...
 
 copyObject ($target_questionpool_id, $title="")
 Copies an assSingleChoice object. More...
 
 createNewOriginalFromThisDuplicate ($targetParentId, $targetQuestionTitle="")
 
 getOutputType ()
 Gets the single 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 assSingleChoice object. More...
 
 addAnswer ( $answertext="", $points=0.0, $order=0, $answerimage="")
 Adds a possible answer for a single 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...
 
 calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)
 
 saveWorkingData ($active_id, $pass=NULL, $authorized=true)
 Saves the learners input of the question to the database. 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...
 
 setImageFile ($image_filename, $image_tempfilename="")
 Sets the image file and uploads the image to the object's image directory. More...
 
 deleteImage ($image_filename)
 Deletes an image file. More...
 
 duplicateImages ($question_id, $objectId=null)
 
 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, $pass, &$format_title, &$format_bold)
 Creates an Excel worksheet for the detailed cumulated results of this question. More...
 
 getThumbSize ()
 
 setThumbSize ($a_size)
 
 toJSON ()
 Returns a JSON representation of the question. More...
 
 removeAnswerImage ($index)
 
 createRandomSolution ($active_id, $pass)
 
 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...
 
 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 ()
 
 _getMaximumPoints ($question_id)
 Returns the maximum points, a learner can reach answering the question. More...
 
_getQuestionInfo ($question_id)
 Returns question information from the database. More...
 
 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, $question_id, $pass=NULL)
 Returns the points, a learner has reached answering the question. 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...
 
 saveWorkingData ($active_id, $pass=NULL, $authorized=true)
 Saves the learners input of the question to the database. More...
 
 _updateTestResultCache ($active_id, ilAssQuestionProcessLocker $processLocker=null)
 Move this to a proper place. More...
 
 logAction ($logtext="", $active_id="", $question_id="")
 Logs an action into the Test&Assessment log. More...
 
 _logAction ($logtext="", $active_id="", $question_id="")
 Logs an action into the Test&Assessment log. 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...
 
 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...
 
 getQuestionTypeFromDb ($question_id)
 get question type for question id 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...
 
 _getTitle ($a_q_id)
 Returns the title of a question. More...
 
 _getQuestionText ($a_q_id)
 Returns question text. More...
 
 copyXHTMLMediaObjectsOfQuestion ($a_q_id)
 
 syncXHTMLMediaObjectsOfQuestion ()
 
 createPageObject ()
 create page object of question More...
 
 copyPageOfQuestion ($a_q_id)
 
 getPageOfQuestion ()
 
 _getQuestionType ($question_id)
 Returns the question type of a question with a given id. More...
 
 _getQuestionTitle ($question_id)
 Returns the question title of a question with a given id. More...
 
 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)
 
 _getInternalLinkHref ($target="")
 
 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...
 
 _getSolutionMaxPass ($question_id, $active_id)
 Returns the maximum pass a users question solution. More...
 
 _isWriteable ($question_id, $user_id)
 Returns true if the question is writeable by a certain user. More...
 
 _isUsedInRandomTest ($question_id="")
 Checks whether the question is used in a random test or not. More...
 
 calculateReachedPoints ($active_id, $pass=NULL, $authorizedSolution=true, $returndetails=FALSE)
 Returns the points, a learner has reached answering the question. More...
 
 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...
 
 createNewImageFileName ($image_filename, $unique=false)
 
 _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...
 
 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...
 
 _needsManualScoring ($question_id)
 
 getActiveUserData ($active_id)
 Returns the user id and the test id for a given active id. More...
 
 setExportDetailsXLS (&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
 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)
 
 _questionExistsInTest ($question_id, $test_id)
 
 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, $ignoredSolutionIds=array())
 
 saveCurrentSolution ($active_id, $pass, $value1, $value2, $authorized=true)
 
 updateCurrentSolution ($solutionId, $value1, $value2, $authorized=true)
 
 updateCurrentSolutionsAuthorization ($activeId, $pass, $authorized)
 
 setStep ($step)
 
 getStep ()
 
 toJSON ()
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 
 authorizedSolutionExists ($active_id, $pass)
 
 authorizedOrIntermediateSolutionExists ($active_id, $pass)
 
 lookupForExistingSolutions ($activeId, $pass)
 Lookup if an authorized or intermediate solution exists. More...
 
 removeExistingSolutions ($activeId, $pass)
 
 resetUsersAnswer ($activeId, $pass)
 
 removeResultRecord ($activeId, $pass)
 
 areObligationsToBeConsidered ()
 
 setObligationsToBeConsidered ($obligationsToBeConsidered)
 
 validateSolutionSubmit ()
 
 updateTimestamp ()
 
- 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
 getUserQuestionResult ($active_id, $pass)
 Get the user solution for a question by active_id and the test pass. More...
 

Static Public Member Functions

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 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 getAllowedImageFileExtensions ()
 
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 _getTotalRightAnswers ($a_q_id)
 get number of answers for question id (static) note: do not use $this inside this method More...
 
static isFileAvailable ($file)
 
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 _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 _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 lookupParentObjId ($questionId)
 ilDB $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 setResultGateway ($resultGateway)
 
static getResultGateway ()
 
static sumTimesInISO8601FormatH_i_s_Extended ($time1, $time2)
 
static convertISO8601FormatH_i_s_ExtendedToSeconds ($time)
 
static missingResultRecordExists ($activeId, $pass, $questionIds)
 
static lookupResultRecordExist ($activeId, $questionId, $pass)
 

Data Fields

 $answers
 
 $output_type
 
- 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'
 
- 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 ()
 
 generateThumbForFile ($path, $file)
 
 savePreviewData (ilAssQuestionPreviewSession $previewSession)
 
 reworkWorkingData ($active_id, $pass, $obligationsAnswered)
 Reworks the allready saved working data if neccessary. More...
 
 syncImages ()
 Sync images of a MC question on synchronisation with the original question. More...
 
 lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)
 
 afterSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
 {} More...
 
- Protected Member Functions inherited from assQuestion
 savePreviewData (ilAssQuestionPreviewSession $previewSession)
 Reworks the allready saved working data if neccessary. More...
 
 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)
 
 getRTETextWithMediaObjects ()
 Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...
 
 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)
 
 getSelfAssessmentFormatter ()
 

Protected Attributes

 $thumb_size
 
 $feedback_setting
 
- 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
 
 $suggested_solutions
 
 $original_id
 
 $page
 
 $external_id = ''
 
 $questionChangeListeners = array()
 
 $processLocker
 
 $step = null
 
 $lastChange
 
 $shuffler
 

Additional Inherited Members

- 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 Protected Attributes inherited from assQuestion
static $allowedFileExtensionsByMimeType
 
static $allowedCharsetsByMimeType
 
static $forcePassResultsUpdateEnabled = false
 
static $imageSourceFixReplaceMap
 

Detailed Description

Class for single choice questions.

assSingleChoice is a class for single 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 mbeck.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de
Version
$Id$

Definition at line 25 of file class.assSingleChoice.php.

Constructor & Destructor Documentation

◆ __construct()

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

assSingleChoice constructor

The constructor takes possible arguments an creates an instance of the assSingleChoice 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$questionThe question string of the single choice question
int | string$output_typeThe output order of the single choice answers
See also
assQuestion:assQuestion()

Definition at line 75 of file class.assSingleChoice.php.

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

83  {
84  parent::__construct($title, $comment, $author, $owner, $question);
85  $this->thumb_size = 150;
86  $this->output_type = $output_type;
87  $this->answers = array();
88  $this->shuffle = 1;
89  $this->feedback_setting = 2;
90  }

Member Function Documentation

◆ addAnswer()

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

Adds a possible answer for a single 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)
boolean$stateDefines the answer as correct (TRUE) or incorrect (FALSE)
integer$orderA possible display order of the answer
double$pointsThe points for not selecting the answer (even negative points can be used) public
See also
$answers
ASS_AnswerBinaryStateImage

Definition at line 439 of file class.assSingleChoice.php.

References $changed, and assQuestion\$points.

445  {
446  include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
447  if (array_key_exists($order, $this->answers))
448  {
449  // insert answer
450  $answer = new ASS_AnswerBinaryStateImage($answertext, $points, $order, 1, $answerimage);
451  $newchoices = array();
452  for ($i = 0; $i < $order; $i++)
453  {
454  array_push($newchoices, $this->answers[$i]);
455  }
456  array_push($newchoices, $answer);
457  for ($i = $order; $i < count($this->answers); $i++)
458  {
459  $changed = $this->answers[$i];
460  $changed->setOrder($i+1);
461  array_push($newchoices, $changed);
462  }
463  $this->answers = $newchoices;
464  }
465  else
466  {
467  // add answer
468  $answer = new ASS_AnswerBinaryStateImage($answertext, $points, count($this->answers), 1, $answerimage);
469  array_push($this->answers, $answer);
470  }
471  }
Class for answers with a binary state indicator.

◆ afterSyncWithOriginal()

assSingleChoice::afterSyncWithOriginal (   $origQuestionId,
  $dupQuestionId,
  $origParentObjId,
  $dupParentObjId 
)
protected

{}

Definition at line 1326 of file class.assSingleChoice.php.

References assQuestion\buildImagePath(), ilUtil\delDir(), ilUtil\makeDirParents(), and ilUtil\rCopy().

1327  {
1328  parent::afterSyncWithOriginal($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId);
1329 
1330  $origImagePath = $this->buildImagePath($origQuestionId, $origParentObjId);
1331  $dupImagePath = $this->buildImagePath($dupQuestionId, $dupParentObjId);
1332 
1333  ilUtil::delDir($origImagePath);
1334  if(is_dir($dupImagePath))
1335  {
1336  ilUtil::makeDirParents($origImagePath);
1337  ilUtil::rCopy($dupImagePath, $origImagePath);
1338  }
1339  }
static makeDirParents($a_dir)
Create a new directory and all parent directories.
static rCopy($a_sdir, $a_tdir, $preserveTimeAttributes=false)
Copies content of a directory $a_sdir recursively to a directory $a_tdir.
buildImagePath($questionId, $parentObjectId)
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
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◆ calculateReachedPoints()

assSingleChoice::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.

public

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

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

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

Referenced by getExpressionTypes().

570  {
571  if( $returndetails )
572  {
573  throw new ilTestException('return details not implemented for '.__METHOD__);
574  }
575 
576  global $ilDB;
577 
578  $found_values = array();
579  if (is_null($pass))
580  {
581  $pass = $this->getSolutionMaxPass($active_id);
582  }
583  $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorizedSolution);
584  while ($data = $ilDB->fetchAssoc($result))
585  {
586  if (strcmp($data["value1"], "") != 0)
587  {
588  array_push($found_values, $data["value1"]);
589  }
590  }
591  $points = 0;
592  foreach ($this->answers as $key => $answer)
593  {
594  if (count($found_values) > 0)
595  {
596  if (in_array($key, $found_values))
597  {
598  $points += $answer->getPoints();
599  }
600  }
601  }
602 
603  return $points;
604  }
$result
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
Base Exception for all Exceptions relating to Modules/Test.
$data
global $ilDB
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass...
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◆ calculateReachedPointsFromPreviewSession()

assSingleChoice::calculateReachedPointsFromPreviewSession ( ilAssQuestionPreviewSession  $previewSession)

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

References ilAssQuestionPreviewSession\getParticipantsSolution().

607  {
608  $participantSolution = $previewSession->getParticipantsSolution();
609  foreach ($this->answers as $key => $answer)
610  {
611  if( is_numeric($participantSolution) && $key == $participantSolution )
612  {
613  return $answer->getPoints();
614  }
615  }
616 
617  return 0;
618  }
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◆ copyObject()

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

Copies an assSingleChoice object.

public

Definition at line 334 of file class.assSingleChoice.php.

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

335  {
336  if ($this->id <= 0)
337  {
338  // The question has not been saved. It cannot be duplicated
339  return;
340  }
341  // duplicate the question in database
342  $clone = $this;
343  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
345  $clone->id = -1;
346  $source_questionpool_id = $this->getObjId();
347  $clone->setObjId($target_questionpool_id);
348  if ($title)
349  {
350  $clone->setTitle($title);
351  }
352  $clone->saveToDb();
353  // copy question page content
354  $clone->copyPageOfQuestion($original_id);
355  // copy XHTML media objects
356  $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
357  // duplicate the image
358  $clone->copyImages($original_id, $source_questionpool_id);
359 
360  $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
361 
362  return $clone->id;
363  }
static _getOriginalId($question_id)
Returns the original id of a question.
getObjId()
Get the object id of the container object.
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◆ createNewOriginalFromThisDuplicate()

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

Definition at line 365 of file class.assSingleChoice.php.

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

366  {
367  if ($this->id <= 0)
368  {
369  // The question has not been saved. It cannot be duplicated
370  return;
371  }
372 
373  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
374 
375  $sourceQuestionId = $this->id;
376  $sourceParentId = $this->getObjId();
377 
378  // duplicate the question in database
379  $clone = $this;
380  $clone->id = -1;
381 
382  $clone->setObjId($targetParentId);
383 
384  if ($targetQuestionTitle)
385  {
386  $clone->setTitle($targetQuestionTitle);
387  }
388 
389  $clone->saveToDb();
390  // copy question page content
391  $clone->copyPageOfQuestion($sourceQuestionId);
392  // copy XHTML media objects
393  $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
394  // duplicate the image
395  $clone->copyImages($sourceQuestionId, $sourceParentId);
396 
397  $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
398 
399  return $clone->id;
400  }
getObjId()
Get the object id of the container object.
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◆ createRandomSolution()

assSingleChoice::createRandomSolution (   $active_id,
  $pass 
)

Definition at line 1129 of file class.assSingleChoice.php.

References $_POST, $pass, assQuestion\calculateResultsFromSolution(), and saveWorkingData().

1130  {
1131  $value = rand(0, count($this->answers)-1);
1132  $_POST["multiple_choice_result"] = (strlen($value)) ? (string)$value : '0';
1133  $this->saveWorkingData($active_id, $pass);
1134  $this->calculateResultsFromSolution($active_id, $pass);
1135  }
$_POST['username']
Definition: cron.php:12
calculateResultsFromSolution($active_id, $pass=NULL, $obligationsEnabled=false)
Calculates the question results from a previously saved question solution.
saveWorkingData($active_id, $pass=NULL, $authorized=true)
Saves the learners input of the question to the database.
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◆ deleteAnswer()

assSingleChoice::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 public
See also
$answers

Definition at line 511 of file class.assSingleChoice.php.

References deleteImage().

512  {
513  if ($index < 0) return;
514  if (count($this->answers) < 1) return;
515  if ($index >= count($this->answers)) return;
516  $answer = $this->answers[$index];
517  if (strlen($answer->getImage())) $this->deleteImage($answer->getImage());
518  unset($this->answers[$index]);
519  $this->answers = array_values($this->answers);
520  for ($i = 0; $i < count($this->answers); $i++)
521  {
522  if ($this->answers[$i]->getOrder() > $index)
523  {
524  $this->answers[$i]->setOrder($i);
525  }
526  }
527  }
deleteImage($image_filename)
Deletes an image file.
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◆ deleteImage()

assSingleChoice::deleteImage (   $image_filename)

Deletes an image file.

Parameters
string$image_filenameName of the image file to delete private

Definition at line 856 of file class.assSingleChoice.php.

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

Referenced by deleteAnswer(), and removeAnswerImage().

857  {
858  $imagepath = $this->getImagePath();
859  @unlink($imagepath . $image_filename);
860  $thumbpath = $imagepath . $this->getThumbPrefix() . $image_filename;
861  @unlink($thumbpath);
862  }
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
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◆ duplicate()

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

Duplicates an assSingleChoiceQuestion.

public

Definition at line 273 of file class.assSingleChoice.php.

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

274  {
275  if ($this->id <= 0)
276  {
277  // The question has not been saved. It cannot be duplicated
278  return;
279  }
280  // duplicate the question in database
281  $this_id = $this->getId();
282  $thisObjId = $this->getObjId();
283 
284  $clone = $this;
285  include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
287  $clone->id = -1;
288 
289  if( (int)$testObjId > 0 )
290  {
291  $clone->setObjId($testObjId);
292  }
293 
294  if ($title)
295  {
296  $clone->setTitle($title);
297  }
298 
299  if ($author)
300  {
301  $clone->setAuthor($author);
302  }
303  if ($owner)
304  {
305  $clone->setOwner($owner);
306  }
307  if ($for_test)
308  {
309  $clone->saveToDb($original_id);
310  }
311  else
312  {
313  $clone->saveToDb();
314  }
315 
316  // copy question page content
317  $clone->copyPageOfQuestion($this_id);
318 
319  // copy XHTML media objects
320  $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
321  // duplicate the images
322  $clone->duplicateImages($this_id, $thisObjId);
323 
324  $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
325 
326  return $clone->id;
327  }
getId()
Gets the id of the assQuestion object.
static _getOriginalId($question_id)
Returns the original id of a question.
getObjId()
Get the object id of the container object.
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◆ duplicateImages()

assSingleChoice::duplicateImages (   $question_id,
  $objectId = null 
)

Definition at line 864 of file class.assSingleChoice.php.

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

865  {
866  global $ilLog;
867  $imagepath = $this->getImagePath();
868  $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
869 
870  if( (int)$objectId > 0 )
871  {
872  $imagepath_original = str_replace("/$this->obj_id/", "/$objectId/", $imagepath_original);
873  }
874 
875  foreach ($this->answers as $answer)
876  {
877  $filename = $answer->getImage();
878  if (strlen($filename))
879  {
880  if (!file_exists($imagepath))
881  {
882  ilUtil::makeDirParents($imagepath);
883  }
884  if (!@copy($imagepath_original . $filename, $imagepath . $filename))
885  {
886  $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
887  $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
888  }
889  if (@file_exists($imagepath_original. $this->getThumbPrefix(). $filename))
890  {
891  if (!@copy($imagepath_original . $this->getThumbPrefix() . $filename, $imagepath . $this->getThumbPrefix() . $filename))
892  {
893  $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
894  $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
895  }
896  }
897  }
898  }
899  }
static makeDirParents($a_dir)
Create a new directory and all parent directories.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
$filename
Definition: buildRTE.php:89
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◆ flushAnswers()

assSingleChoice::flushAnswers ( )

Deletes all answers.

public

See also
$answers

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

536  {
537  $this->answers = array();
538  }

◆ generateThumbForFile()

assSingleChoice::generateThumbForFile (   $path,
  $file 
)
protected

Definition at line 173 of file class.assSingleChoice.php.

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

Referenced by rebuildThumbnails(), and setImageFile().

174  {
175  $filename = $path . $file;
176  if (@file_exists($filename))
177  {
178  $thumbpath = $path . $this->getThumbPrefix() . $file;
179  $path_info = @pathinfo($filename);
180  $ext = "";
181  switch (strtoupper($path_info['extension']))
182  {
183  case 'PNG':
184  $ext = 'PNG';
185  break;
186  case 'GIF':
187  $ext = 'GIF';
188  break;
189  default:
190  $ext = 'JPEG';
191  break;
192  }
193  ilUtil::convertImage($filename, $thumbpath, $ext, $this->getThumbSize());
194  }
195  }
print $file
$filename
Definition: buildRTE.php:89
static convertImage($a_from, $a_to, $a_target_format="", $a_geometry="", $a_background_color="")
convert image
$path
Definition: index.php:22
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◆ getAdditionalTableName()

assSingleChoice::getAdditionalTableName ( )

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

Returns
string The additional table name public

Definition at line 788 of file class.assSingleChoice.php.

Referenced by isComplete(), loadFromDb(), and savePreviewData().

789  {
790  return "qpl_qst_sc";
791  }
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◆ getAnswer()

assSingleChoice::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 public
See also
$answers

Definition at line 494 of file class.assSingleChoice.php.

Referenced by getAvailableAnswerOptions().

495  {
496  if ($index < 0) return NULL;
497  if (count($this->answers) < 1) return NULL;
498  if ($index >= count($this->answers)) return NULL;
499 
500  return $this->answers[$index];
501  }
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◆ getAnswerCount()

assSingleChoice::getAnswerCount ( )

Returns the number of answers.

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

Definition at line 480 of file class.assSingleChoice.php.

481  {
482  return count($this->answers);
483  }

◆ getAnswers()

& assSingleChoice::getAnswers ( )

Returns a reference to the answers array.

Definition at line 1003 of file class.assSingleChoice.php.

References $answers.

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

1004  {
1005  return $this->answers;
1006  }
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◆ getAnswerTableName()

assSingleChoice::getAnswerTableName ( )

Returns the name of the answer table in the database.

Returns
string The answer table name public

Definition at line 799 of file class.assSingleChoice.php.

800  {
801  return "qpl_a_sc";
802  }

◆ getAvailableAnswerOptions()

assSingleChoice::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 1311 of file class.assSingleChoice.php.

References getAnswer(), and getAnswers().

1312  {
1313  if($index !== null)
1314  {
1315  return $this->getAnswer($index);
1316  }
1317  else
1318  {
1319  return $this->getAnswers();
1320  }
1321  }
& getAnswers()
Returns a reference to the answers array.
getAnswer($index=0)
Returns an answer with a given index.
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◆ getExpressionTypes()

◆ getMaximumPoints()

assSingleChoice::getMaximumPoints ( )

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

public

See also
$points

Definition at line 546 of file class.assSingleChoice.php.

References assQuestion\$points.

Referenced by getExpressionTypes(), and isComplete().

547  {
548  $points = 0;
549  foreach ($this->answers as $key => $value)
550  {
551  if ($value->getPoints() > $points)
552  {
553  $points = $value->getPoints();
554  }
555  }
556  return $points;
557  }
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◆ getMultilineAnswerSetting()

assSingleChoice::getMultilineAnswerSetting ( )

Definition at line 1137 of file class.assSingleChoice.php.

References $ilUser.

1138  {
1139  global $ilUser;
1140 
1141  $multilineAnswerSetting = $ilUser->getPref("tst_multiline_answers");
1142  if ($multilineAnswerSetting != 1)
1143  {
1144  $multilineAnswerSetting = 0;
1145  }
1146  return $multilineAnswerSetting;
1147  }
global $ilUser
Definition: imgupload.php:15

◆ getOperators()

assSingleChoice::getOperators (   $expression)

Get all available operations for a specific question.

Parameters
string$expression

Implements iQuestionCondition.

Definition at line 1235 of file class.assSingleChoice.php.

References ilOperatorsExpressionMapping\getOperatorsByExpression().

1236  {
1237  require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1239  }
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◆ getOutputType()

assSingleChoice::getOutputType ( )

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

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

Definition at line 409 of file class.assSingleChoice.php.

References $output_type.

410  {
411  return $this->output_type;
412  }

◆ getQuestionType()

assSingleChoice::getQuestionType ( )

Returns the question type of the question.

Returns
integer The question type of the question public

Definition at line 777 of file class.assSingleChoice.php.

Referenced by toJSON().

778  {
779  return "assSingleChoice";
780  }
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◆ getRTETextWithMediaObjects()

assSingleChoice::getRTETextWithMediaObjects ( )

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

Definition at line 988 of file class.assSingleChoice.php.

References $text, and assQuestion\getId().

989  {
990  $text = parent::getRTETextWithMediaObjects();
991  foreach ($this->answers as $index => $answer)
992  {
993  $text .= $this->feedbackOBJ->getSpecificAnswerFeedbackContent($this->getId(), $index);
994  $answer_obj = $this->answers[$index];
995  $text .= $answer_obj->getAnswertext();
996  }
997  return $text;
998  }
getId()
Gets the id of the assQuestion object.
$text
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◆ getSpecificFeedbackAllCorrectOptionLabel()

assSingleChoice::getSpecificFeedbackAllCorrectOptionLabel ( )

Implements ilAssSpecificFeedbackOptionLabelProvider.

Definition at line 1190 of file class.assSingleChoice.php.

1191  {
1192  return 'feedback_correct_sc_mc';
1193  }

◆ getSpecificFeedbackSetting()

assSingleChoice::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 1178 of file class.assSingleChoice.php.

References $feedback_setting.

1179  {
1180  if ($this->feedback_setting)
1181  {
1182  return $this->feedback_setting;
1183  }
1184  else
1185  {
1186  return 1;
1187  }
1188  }

◆ getThumbPrefix()

assSingleChoice::getThumbPrefix ( )

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

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

169  {
170  return "thumb.";
171  }
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◆ getThumbSize()

assSingleChoice::getThumbSize ( )

Definition at line 1047 of file class.assSingleChoice.php.

References $thumb_size.

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

1048  {
1049  return $this->thumb_size;
1050  }
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◆ isAnswered()

assSingleChoice::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

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

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

1206  {
1207  $numExistingSolutionRecords = assQuestion::getNumExistingSolutionRecords($active_id, $pass, $this->getId());
1208 
1209  return $numExistingSolutionRecords > 0;
1210  }
getId()
Gets the id of the assQuestion object.
static getNumExistingSolutionRecords($activeId, $pass, $questionId)
returns the number of existing solution records for the given test active / pass and given question i...
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◆ isComplete()

assSingleChoice::isComplete ( )

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

Returns
boolean True, if the single choice question is complete for use, otherwise false public

Definition at line 98 of file class.assSingleChoice.php.

References $data, $ilDB, assQuestion\$original_id, $result, getAdditionalTableName(), assQuestion\getId(), getMaximumPoints(), getThumbSize(), ilObjQuestionScoringAdjustable\saveAdditionalQuestionDataToDb(), ilObjAnswerScoringAdjustable\saveAnswerSpecificDataToDb(), assQuestion\saveQuestionDataToDb(), and assQuestion\saveToDb().

99  {
100  if (strlen($this->title) and ($this->author) and ($this->question) and (count($this->answers)) and ($this->getMaximumPoints() > 0))
101  {
102  foreach ($this->answers as $answer)
103  {
104  if ((strlen($answer->getAnswertext()) == 0) && (strlen($answer->getImage()) == 0)) return false;
105  }
106  return true;
107  }
108  else
109  {
110  return false;
111  }
112  }
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
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◆ isObligationPossible()

static assSingleChoice::isObligationPossible (   $questionId)
static

returns boolean wether it is possible to set this question type as obligatory or not considering the current question configuration

(overwrites method in class assQuestion)

Parameters
integer$questionId
Returns
boolean $obligationPossible

Definition at line 1222 of file class.assSingleChoice.php.

1223  {
1224  return true;
1225  }

◆ lmMigrateQuestionTypeSpecificContent()

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

Definition at line 1060 of file class.assSingleChoice.php.

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

1061  {
1062  foreach($this->getAnswers() as $answer)
1063  {
1064  /* @var ASS_AnswerBinaryStateImage $answer */
1065  $answer->setAnswertext( $migrator->migrateToLmContent($answer->getAnswertext()) );
1066  }
1067  }
& getAnswers()
Returns a reference to the answers array.
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◆ loadFromDb()

assSingleChoice::loadFromDb (   $question_id)

Loads a assSingleChoice object from a database.

Parameters
object$dbA pear DB object
integer$question_idA unique key which defines the multiple choice test in the database public

Definition at line 204 of file class.assSingleChoice.php.

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(), assQuestion\setShuffle(), setThumbSize(), and assQuestion\setTitle().

205  {
206  global $ilDB;
207 
208  $hasimages = 0;
209 
210  $result = $ilDB->queryF("SELECT qpl_questions.*, " . $this->getAdditionalTableName() . ".* FROM qpl_questions LEFT JOIN " . $this->getAdditionalTableName() . " ON " . $this->getAdditionalTableName() . ".question_fi = qpl_questions.question_id WHERE qpl_questions.question_id = %s",
211  array("integer"),
212  array($question_id)
213  );
214  if ($result->numRows() == 1)
215  {
216  $data = $ilDB->fetchAssoc($result);
217  $this->setId($question_id);
218  $this->setObjId($data["obj_fi"]);
219  $this->setTitle($data["title"]);
220  $this->setNrOfTries($data['nr_of_tries']);
221  $this->setComment($data["description"]);
222  $this->setOriginalId($data["original_id"]);
223  $this->setAuthor($data["author"]);
224  $this->setPoints($data["points"]);
225  $this->setOwner($data["owner"]);
226  include_once("./Services/RTE/classes/class.ilRTE.php");
227  $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
228  $shuffle = (is_null($data['shuffle'])) ? true : $data['shuffle'];
229  $this->setShuffle($shuffle);
230  $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
231  $this->setThumbSize($data['thumb_size']);
232  $this->isSingleline = ($data['allow_images']) ? false : true;
233  $this->lastChange = $data['tstamp'];
234  $this->feedback_setting = $data['feedback_setting'];
235 
236  try
237  {
238  $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
239  }
241  {
242  }
243  }
244 
245  $result = $ilDB->queryF("SELECT * FROM qpl_a_sc WHERE question_fi = %s ORDER BY aorder ASC",
246  array('integer'),
247  array($question_id)
248  );
249  include_once "./Modules/TestQuestionPool/classes/class.assAnswerBinaryStateImage.php";
250  if ($result->numRows() > 0)
251  {
252  while ($data = $ilDB->fetchAssoc($result))
253  {
254  $imagefilename = $this->getImagePath() . $data["imagefile"];
255  if (!@file_exists($imagefilename))
256  {
257  $data["imagefile"] = "";
258  }
259  include_once("./Services/RTE/classes/class.ilRTE.php");
260  $data["answertext"] = ilRTE::_replaceMediaObjectImageSrc($data["answertext"], 1);
261  array_push($this->answers, new ASS_AnswerBinaryStateImage($data["answertext"], $data["points"], $data["aorder"], 1, $data["imagefile"]));
262  }
263  }
264 
265  parent::loadFromDb($question_id);
266  }
$result
Class for answers with a binary state indicator.
setId($id=-1)
Sets the id of the assQuestion object.
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second. ...
setNrOfTries($a_nr_of_tries)
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
setShuffle($shuffle=true)
Sets the shuffle flag.
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
setAuthor($author="")
Sets the authors name of the assQuestion object.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
$data
getAdditionalTableName()
Returns the name of the additional question data table in the database.
setPoints($a_points)
Sets the maximum available points for the question.
setQuestion($question="")
Sets the question string of the question object.
global $ilDB
setOriginalId($original_id)
setTitle($title="")
Sets the title string of the assQuestion object.
setObjId($obj_id=0)
Set the object id of the container object.
setComment($comment="")
Sets the comment string of the assQuestion object.
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
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◆ rebuildThumbnails()

assSingleChoice::rebuildThumbnails ( )
protected

Definition at line 154 of file class.assSingleChoice.php.

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

Referenced by savePreviewData().

155  {
156  if ($this->isSingleline && ($this->getThumbSize()))
157  {
158  foreach ($this->getAnswers() as $answer)
159  {
160  if (strlen($answer->getImage()))
161  {
162  $this->generateThumbForFile($this->getImagePath(), $answer->getImage());
163  }
164  }
165  }
166  }
generateThumbForFile($path, $file)
& getAnswers()
Returns a reference to the answers array.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
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◆ removeAnswerImage()

assSingleChoice::removeAnswerImage (   $index)

Definition at line 1119 of file class.assSingleChoice.php.

References deleteImage().

1120  {
1121  $answer = $this->answers[$index];
1122  if (is_object($answer))
1123  {
1124  $this->deleteImage($answer->getImage());
1125  $answer->setImage('');
1126  }
1127  }
deleteImage($image_filename)
Deletes an image file.
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◆ reworkWorkingData()

assSingleChoice::reworkWorkingData (   $active_id,
  $pass,
  $obligationsAnswered 
)
protected

Reworks the allready saved working data if neccessary.

protected

Parameters
integer$active_id
integer$pass
boolean$obligationsAnswered

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

767  {
768  // nothing to rework!
769  }

◆ savePreviewData()

assSingleChoice::savePreviewData ( ilAssQuestionPreviewSession  $previewSession)
protected

Definition at line 689 of file class.assSingleChoice.php.

References $_POST, $ilDB, ilRTE\_replaceMediaObjectImageSrc(), ilUtil\delDir(), getAdditionalTableName(), assQuestion\getId(), assQuestion\getImagePath(), assQuestion\getShuffle(), getThumbSize(), rebuildThumbnails(), ilObjQuestionScoringAdjustable\saveAdditionalQuestionDataToDb(), ilObjAnswerScoringAdjustable\saveAnswerSpecificDataToDb(), and ilAssQuestionPreviewSession\setParticipantsSolution().

690  {
691  if( strlen($_POST['multiple_choice_result'.$this->getId().'ID']) )
692  {
693  $previewSession->setParticipantsSolution($_POST['multiple_choice_result'.$this->getId().'ID']);
694  }
695  else
696  {
697  $previewSession->setParticipantsSolution(null);
698  }
699  }
getId()
Gets the id of the assQuestion object.
$_POST['username']
Definition: cron.php:12
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◆ saveWorkingData()

assSingleChoice::saveWorkingData (   $active_id,
  $pass = NULL,
  $authorized = true 
)

Saves the learners input of the question to the database.

public

Parameters
integer$active_idActive id of the user
integer$passTest pass
Returns
boolean $status

Definition at line 628 of file class.assSingleChoice.php.

References $_POST, $ilDB, $ilUser, $pass, $result, $row, ilObjAssessmentFolder\_enabledAssessmentLogging(), ilObjAssessmentFolder\_getLogLanguage(), ilObjTest\_getPass(), assQuestion\getCurrentSolutionResultSet(), assQuestion\getId(), assQuestion\getProcessLocker(), assQuestion\logAction(), assQuestion\removeSolutionRecordById(), assQuestion\saveCurrentSolution(), and assQuestion\updateCurrentSolution().

Referenced by createRandomSolution().

629  {
630  global $ilDB;
631  global $ilUser;
632 
633  if (is_null($pass))
634  {
635  include_once "./Modules/Test/classes/class.ilObjTest.php";
636  $pass = ilObjTest::_getPass($active_id);
637  }
638  $entered_values = 0;
639 
640  $this->getProcessLocker()->requestUserSolutionUpdateLock();
641 
642  $result = $this->getCurrentSolutionResultSet($active_id, $pass, $authorized);
643  $row = $ilDB->fetchAssoc($result);
644  $update = $row["solution_id"];
645 
646  if ($update)
647  {
648  if (strlen($_POST["multiple_choice_result"]))
649  {
650  $this->updateCurrentSolution($update, $_POST["multiple_choice_result"], null, $authorized);
651  $entered_values++;
652  }
653  else
654  {
655  $this->removeSolutionRecordById($update);
656  }
657  }
658  else
659  {
660  if (strlen($_POST["multiple_choice_result"]))
661  {
662  $this->saveCurrentSolution($active_id, $pass, $_POST['multiple_choice_result'], null, $authorized);
663  $entered_values++;
664  }
665  }
666 
667  $this->getProcessLocker()->releaseUserSolutionUpdateLock();
668 
669  if ($entered_values)
670  {
671  include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
673  {
674  $this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
675  }
676  }
677  else
678  {
679  include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
681  {
682  $this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
683  }
684  }
685 
686  return true;
687  }
getId()
Gets the id of the assQuestion object.
$_POST['username']
Definition: cron.php:12
$result
_getPass($active_id)
Retrieves the actual pass of a given user for a given test.
saveCurrentSolution($active_id, $pass, $value1, $value2, $authorized=true)
_enabledAssessmentLogging()
check wether assessment logging is enabled or not
removeSolutionRecordById($solutionId)
updateCurrentSolution($solutionId, $value1, $value2, $authorized=true)
_getLogLanguage()
retrieve the log language for assessment logging
global $ilUser
Definition: imgupload.php:15
global $ilDB
getCurrentSolutionResultSet($active_id, $pass, $authorized=true)
Get a restulset for the current user solution for a this question by active_id and pass...
logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
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◆ setExportDetailsXLS()

assSingleChoice::setExportDetailsXLS ( $worksheet,
  $startrow,
  $active_id,
  $pass,
$format_title,
$format_bold 
)

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
object$format_titleExcel title format
object$format_boldExcel bold format
array$eval_dataCumulated evaluation data public

Definition at line 1020 of file class.assSingleChoice.php.

References assQuestion\$id, $pass, ilExcelUtils\_convert_text(), getAnswers(), assQuestion\getSolutionValues(), and assQuestion\getTitle().

1021  {
1022  include_once ("./Services/Excel/classes/class.ilExcelUtils.php");
1023  $solution = $this->getSolutionValues($active_id, $pass);
1024  $worksheet->writeString($startrow, 0, ilExcelUtils::_convert_text($this->lng->txt($this->getQuestionType())), $format_title);
1025  $worksheet->writeString($startrow, 1, ilExcelUtils::_convert_text($this->getTitle()), $format_title);
1026  $i = 1;
1027  foreach ($this->getAnswers() as $id => $answer)
1028  {
1029  $worksheet->writeString($startrow + $i, 0, ilExcelUtils::_convert_text($answer->getAnswertext()), $format_bold);
1030  if(
1031  count($solution) > 0 &&
1032  isset($solution[0]) &&
1033  is_array($solution[0]) &&
1034  strlen($solution[0]['value1']) > 0 && $id == $solution[0]['value1'])
1035  {
1036  $worksheet->write($startrow + $i, 1, 1);
1037  }
1038  else
1039  {
1040  $worksheet->write($startrow + $i, 1, 0);
1041  }
1042  $i++;
1043  }
1044  return $startrow + $i + 1;
1045  }
_convert_text($a_text, $a_target="has been removed")
& getAnswers()
Returns a reference to the answers array.
getSolutionValues($active_id, $pass=NULL, $authorized=true)
Loads solutions of a given user from the database an returns it.
getTitle()
Gets the title string of the assQuestion object.
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◆ setImageFile()

assSingleChoice::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 public

Definition at line 812 of file class.assSingleChoice.php.

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

813  {
814  $result = 0;
815  if (!empty($image_tempfilename))
816  {
817  $image_filename = str_replace(" ", "_", $image_filename);
818  $imagepath = $this->getImagePath();
819  if (!file_exists($imagepath))
820  {
821  ilUtil::makeDirParents($imagepath);
822  }
823  //if (!move_uploaded_file($image_tempfilename, $imagepath . $image_filename))
824  if (!ilUtil::moveUploadedFile($image_tempfilename, $image_filename, $imagepath.$image_filename))
825  {
826  $result = 2;
827  }
828  else
829  {
830  include_once "./Services/MediaObjects/classes/class.ilObjMediaObject.php";
831  $mimetype = ilObjMediaObject::getMimeType($imagepath . $image_filename);
832  if (!preg_match("/^image/", $mimetype))
833  {
834  unlink($imagepath . $image_filename);
835  $result = 1;
836  }
837  else
838  {
839  // create thumbnail file
840  if ($this->isSingleline && ($this->getThumbSize()))
841  {
842  $this->generateThumbForFile($imagepath, $image_filename);
843  }
844  }
845  }
846  }
847  return $result;
848  }
static makeDirParents($a_dir)
Create a new directory and all parent directories.
generateThumbForFile($path, $file)
$result
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
static moveUploadedFile($a_file, $a_name, $a_target, $a_raise_errors=true, $a_mode="move_uploaded")
move uploaded file
static getMimeType($a_file, $a_external=false)
get mime type for file
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◆ setMultilineAnswerSetting()

assSingleChoice::setMultilineAnswerSetting (   $a_setting = 0)

Definition at line 1149 of file class.assSingleChoice.php.

References $ilUser.

1150  {
1151  global $ilUser;
1152  $ilUser->writePref("tst_multiline_answers", $a_setting);
1153  }
global $ilUser
Definition: imgupload.php:15

◆ setOutputType()

assSingleChoice::setOutputType (   $output_type = OUTPUT_ORDER)

Sets the output type of the assSingleChoice object.

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

Definition at line 421 of file class.assSingleChoice.php.

References $output_type.

422  {
423  $this->output_type = $output_type;
424  }

◆ setSpecificFeedbackSetting()

assSingleChoice::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 1164 of file class.assSingleChoice.php.

1165  {
1166  $this->feedback_setting = $a_feedback_setting;
1167  }

◆ setThumbSize()

assSingleChoice::setThumbSize (   $a_size)

Definition at line 1052 of file class.assSingleChoice.php.

Referenced by loadFromDb().

1053  {
1054  $this->thumb_size = $a_size;
1055  }
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◆ syncImages()

assSingleChoice::syncImages ( )
protected

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

Definition at line 944 of file class.assSingleChoice.php.

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

945  {
946  global $ilLog;
947  $question_id = $this->getOriginalId();
948  $imagepath = $this->getImagePath();
949  $imagepath_original = str_replace("/$this->id/images", "/$question_id/images", $imagepath);
950  ilUtil::delDir($imagepath_original);
951  foreach ($this->answers as $answer)
952  {
953  $filename = $answer->getImage();
954  if (strlen($filename))
955  {
956  if (@file_exists($imagepath . $filename))
957  {
958  if (!file_exists($imagepath))
959  {
960  ilUtil::makeDirParents($imagepath);
961  }
962  if (!file_exists($imagepath_original))
963  {
964  ilUtil::makeDirParents($imagepath_original);
965  }
966  if (!@copy($imagepath . $filename, $imagepath_original . $filename))
967  {
968  $ilLog->write("image could not be duplicated!!!!", $ilLog->ERROR);
969  $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
970  }
971  }
972  if (@file_exists($imagepath . $this->getThumbPrefix() . $filename))
973  {
974  if (!@copy($imagepath . $this->getThumbPrefix() . $filename, $imagepath_original . $this->getThumbPrefix() . $filename))
975  {
976  $ilLog->write("image thumbnail could not be duplicated!!!!", $ilLog->ERROR);
977  $ilLog->write("object: " . print_r($this, TRUE), $ilLog->ERROR);
978  }
979  }
980  }
981  }
982  }
static makeDirParents($a_dir)
Create a new directory and all parent directories.
getImagePath($question_id=null, $object_id=null)
Returns the image path for web accessable images of a question.
$filename
Definition: buildRTE.php:89
static delDir($a_dir, $a_clean_only=false)
removes a dir and all its content (subdirs and files) recursively
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◆ toJSON()

assSingleChoice::toJSON ( )

Returns a JSON representation of the question.

Definition at line 1072 of file class.assSingleChoice.php.

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

1073  {
1074  include_once("./Services/RTE/classes/class.ilRTE.php");
1075  $result = array();
1076  $result['id'] = (int) $this->getId();
1077  $result['type'] = (string) $this->getQuestionType();
1078  $result['title'] = (string) $this->getTitle();
1079  $result['question'] = $this->formatSAQuestion($this->getQuestion());
1080  $result['nr_of_tries'] = (int) $this->getNrOfTries();
1081  $result['shuffle'] = (bool) $this->getShuffle();
1082 
1083  $result['feedback'] = array(
1084  'onenotcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), false)),
1085  'allcorrect' => $this->formatSAQuestion($this->feedbackOBJ->getGenericFeedbackTestPresentation($this->getId(), true))
1086  );
1087 
1088  $answers = array();
1089  $has_image = false;
1090  foreach ($this->getAnswers() as $key => $answer_obj)
1091  {
1092  if((string) $answer_obj->getImage())
1093  {
1094  $has_image = true;
1095  }
1096  array_push($answers, array(
1097  "answertext" => (string) $this->formatSAQuestion($answer_obj->getAnswertext()),
1098  "points" => (float)$answer_obj->getPoints(),
1099  "order" => (int)$answer_obj->getOrder(),
1100  "image" => (string) $answer_obj->getImage(),
1101  "feedback" => $this->formatSAQuestion(
1102  $this->feedbackOBJ->getSpecificAnswerFeedbackExportPresentation($this->getId(), $key)
1103  )
1104  ));
1105  }
1106  $result['answers'] = $answers;
1107  if($has_image)
1108  {
1109  $result['path'] = $this->getImagePathWeb();
1110  $result['thumb'] = $this->getThumbSize();
1111  }
1112 
1113  $mobs = ilObjMediaObject::_getMobsOfObject("qpl:html", $this->getId());
1114  $result['mobs'] = $mobs;
1115 
1116  return json_encode($result);
1117  }
getId()
Gets the id of the assQuestion object.
formatSAQuestion($a_q)
Format self assessment question.
$result
& getAnswers()
Returns a reference to the answers array.
getQuestionType()
Returns the question type of the question.
getImagePathWeb()
Returns the web image path for web accessable images of a question.
getShuffle()
Gets the shuffle flag.
$mobs
getQuestion()
Gets the question string of the question object.
_getMobsOfObject($a_type, $a_id, $a_usage_hist_nr=0, $a_lang="-")
get mobs of object
getTitle()
Gets the title string of the assQuestion object.
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Field Documentation

◆ $answers

assSingleChoice::$answers

Definition at line 34 of file class.assSingleChoice.php.

Referenced by getAnswers(), and toJSON().

◆ $feedback_setting

assSingleChoice::$feedback_setting
protected

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

Referenced by getSpecificFeedbackSetting().

◆ $output_type

assSingleChoice::$output_type

Definition at line 44 of file class.assSingleChoice.php.

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

◆ $thumb_size

assSingleChoice::$thumb_size
protected

Definition at line 51 of file class.assSingleChoice.php.

Referenced by getThumbSize().


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