ILIAS  release_7 Revision v7.30-3-g800a261c036
assFormulaQuestion Class Reference

Class for single choice questions assFormulaQuestion is a class for single choice questions. More...

+ Inheritance diagram for assFormulaQuestion:
+ Collaboration diagram for assFormulaQuestion:

Public Member Functions

 __construct ( $title="", $comment="", $author="", $owner=-1, $question="")
 assFormulaQuestion constructor The constructor takes possible arguments an creates an instance of the assFormulaQuestion object. More...
 
 clearVariables ()
 
 getVariables ()
 
 getVariable ($variable)
 
 addVariable ($variable)
 
 clearResults ()
 
 getResults ()
 
 getResult ($result)
 
 addResult ($result)
 
 addResultUnits ($result, $unit_ids)
 
 addResultUnit ($result, $unit)
 
 getResultUnits ($result)
 
 hasResultUnit ($result, $unit_id)
 
 parseQuestionText ()
 
 checkForDuplicateVariables ()
 
 checkForDuplicateResults ()
 
 fetchAllResults ($questionText)
 
 fetchAllVariables ($questionText)
 
 hasRequiredVariableSolutionValues (array $userSolution)
 
 getInitialVariableSolutionValues ()
 
 substituteVariables (array $userdata, $graphicalOutput=false, $forsolution=false, $result_output=false)
 
 canUseAdvancedRating ($result)
 Check if advanced rating can be used for a result. More...
 
 isComplete ()
 Returns true, if the question is complete for use. More...
 
 saveToDb ($original_id="")
 Saves a assFormulaQuestion object to a database @access public. More...
 
 loadFromDb ($question_id)
 Loads a assFormulaQuestion object from a database. More...
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 Duplicates an assFormulaQuestion @access public. More...
 
 copyObject ($target_questionpool_id, $title="")
 Copies an assFormulaQuestion object @access public. More...
 
 createNewOriginalFromThisDuplicate ($targetParentId, $targetQuestionTitle="")
 
 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 The points are calculated from the given answers. More...
 
 calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)
 
 saveWorkingData ($active_id, $pass=null, $authorized=true)
 Saves the learners input of the question to the database. More...
 
 lookupForExistingSolutions ($activeId, $pass)
 Lookup if an authorized or intermediate solution exists. More...
 
 removeExistingSolutions ($activeId, $pass)
 Remove an existing solution without removing the variables. 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...
 
 deleteAnswers ($question_id)
 Deletes datasets from answers tables. More...
 
 getRTETextWithMediaObjects ()
 Collects all text in the question which could contain media objects which were created with the Rich Text Editor. 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...
 
 getBestSolution ($solutions)
 Returns the best solution for a given pass of a participant. More...
 
 setId ($id=-1)
 Sets the id of the assQuestion object. More...
 
 __get ($value)
 Object getter. More...
 
 setUnitrepository ($unitrepository)
 
 getUnitrepository ()
 
 validateSolutionSubmit ()
 
 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
 getShuffler ()
 
 setShuffler (ilArrayElementShuffler $shuffler)
 
 setProcessLocker ($processLocker)
 
 getProcessLocker ()
 
 fromXML (&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping, array $solutionhints=[])
 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...
 
 getDescriptionForHTMLOutput ()
 
 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...
 
 getAuthorForHTMLOutput ()
 
 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...
 
 getLifecycle ()
 
 setLifecycle (ilAssQuestionLifecycle $lifecycle)
 
 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 ()
 
 _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...
 
 getQuestionForHTMLOutput ()
 
 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)
 
 isAddableAnswerOptionValue ($qIndex, $answerOptionValue)
 
 addAnswerOptionValue ($qIndex, $answerOptionValue, $points)
 
 removeAllExistingSolutions ()
 
 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...
 
 savePartial ()
 
 isInActiveTest ()
 
- 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...
 

Protected Member Functions

 isValidSolutionResultValue ($submittedValue)
 
 savePreviewData (ilAssQuestionPreviewSession $previewSession)
 
 getSolutionSubmit ()
 
- Protected Member Functions inherited from assQuestion
 getQuestionAction ()
 
 isNonEmptyItemListPostSubmission ($postSubmissionFieldname)
 
 ensureCurrentTestPass ($active_id, $pass)
 
 lookupCurrentTestPass ($active_id, $pass)
 
 lookupTestId ($active_id)
 
 log ($active_id, $langVar)
 
 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)
 
 purifyAndPrepareTextAreaOutput (string $content)
 
 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)
 
 isDummySolutionRecord ($solutionRecord)
 
 deleteSolutionRecordByValues ($activeId, $passIndex, $authorized, $matchValues)
 
 duplicateIntermediateSolutionAuthorized ($activeId, $passIndex)
 
 forceExistingIntermediateSolution ($activeId, $passIndex, $considerDummyRecordCreation)
 
 buildTestPresentationConfig ()
 build basic test question configuration instance More...
 

Private Attributes

 $variables
 
 $results
 
 $resultunits
 
 $unitrepository
 

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)
 
- 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_RTE = 'default'
 constant for additional content editing mode "default" More...
 
const ADDITIONAL_CONTENT_EDITING_MODE_IPE = '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 = "?"
 
- 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 ()
 
- Protected Attributes inherited from assQuestion
 $id
 
 $title
 
 $comment
 
 $owner
 
 $author
 
 $question
 
 $points
 
 $est_working_time
 
 $shuffle
 
 $test_id
 
 $obj_id
 
 $ilias
 
 $tpl
 
 $lng
 
 $db
 
 $refinery
 
 $outputType = OUTPUT_JAVASCRIPT
 
 $suggested_solutions
 
 $original_id
 
 $page
 
 $external_id = ''
 
 $questionChangeListeners = array()
 
 $processLocker
 
 $step = null
 
 $lastChange
 
 $shuffler
 
 $testQuestionConfig
 
 $lifecycle
 
- Static Protected Attributes inherited from assQuestion
static $allowedFileExtensionsByMimeType
 
static $allowedCharsetsByMimeType
 
static $allowedImageMaterialFileExtensionsByMimeType
 
static $forcePassResultsUpdateEnabled = false
 
static $imageSourceFixReplaceMap
 

Detailed Description

Class for single choice questions assFormulaQuestion 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
Version
Id
class.assFormulaQuestion.php 1236 2010-02-15 15:44:16Z hschottm

Definition at line 19 of file class.assFormulaQuestion.php.

Constructor & Destructor Documentation

◆ __construct()

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

assFormulaQuestion constructor The constructor takes possible arguments an creates an instance of the assFormulaQuestion 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 @access public
See also
assQuestion:assQuestion()

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

47 {
49 $this->variables = array();
50 $this->results = array();
51 $this->resultunits = array();
52 $this->unitrepository = new ilUnitConfigurationRepository(0);
53 }
Class ilUnitConfigurationRepository.
__construct(Container $dic, ilPlugin $plugin)
@inheritDoc

References assQuestion\$author, assQuestion\$comment, assQuestion\$owner, assQuestion\$question, assQuestion\$title, and ILIAS\GlobalScreen\Provider\__construct().

+ Here is the call graph for this function:

Member Function Documentation

◆ __get()

assFormulaQuestion::__get (   $value)

Object getter.

Reimplemented from assQuestion.

Definition at line 1312 of file class.assFormulaQuestion.php.

1313 {
1314 switch ($value) {
1315 case "resultunits":
1316 return $this->resultunits;
1317 break;
1318 default:
1319 return parent::__get($value);
1320 break;
1321 }
1322 }

References $resultunits.

◆ addResult()

assFormulaQuestion::addResult (   $result)

Definition at line 96 of file class.assFormulaQuestion.php.

97 {
98 $this->results[$result->getResult()] = $result;
99 }
$result

References $result.

Referenced by loadFromDb(), and parseQuestionText().

+ Here is the caller graph for this function:

◆ addResultUnit()

assFormulaQuestion::addResultUnit (   $result,
  $unit 
)

Definition at line 114 of file class.assFormulaQuestion.php.

115 {
116 if (is_object($result) && is_object($unit)) {
117 if (!is_array($this->resultunits[$result->getResult()])) {
118 $this->resultunits[$result->getResult()] = array();
119 }
120 $this->resultunits[$result->getResult()][$unit->getId()] = $unit;
121 }
122 }

References $result.

Referenced by loadFromDb().

+ Here is the caller graph for this function:

◆ addResultUnits()

assFormulaQuestion::addResultUnits (   $result,
  $unit_ids 
)

Definition at line 101 of file class.assFormulaQuestion.php.

102 {
103 $this->resultunits[$result->getResult()] = array();
104 if ((!is_object($result)) || (!is_array($unit_ids))) {
105 return;
106 }
107 foreach ($unit_ids as $id) {
108 if (is_numeric($id) && ($id > 0)) {
109 $this->resultunits[$result->getResult()][$id] = $this->getUnitrepository()->getUnit($id);
110 }
111 }
112 }

References assQuestion\$id, $result, and getUnitrepository().

+ Here is the call graph for this function:

◆ addVariable()

assFormulaQuestion::addVariable (   $variable)

Definition at line 73 of file class.assFormulaQuestion.php.

74 {
75 $this->variables[$variable->getVariable()] = $variable;
76 }

Referenced by loadFromDb(), and parseQuestionText().

+ Here is the caller graph for this function:

◆ calculateReachedPoints()

assFormulaQuestion::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$user_idThe database ID of the learner
integer$test_idThe database Id of the test containing the question @access public

Reimplemented from assQuestion.

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

857 {
858 if (is_null($pass)) {
859 $pass = $this->getSolutionMaxPass($active_id);
860 }
861 $solutions = &$this->getSolutionValues($active_id, $pass, $authorizedSolution);
862 $user_solution = array();
863 foreach ($solutions as $idx => $solution_value) {
864 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
865 $user_solution[$matches[1]] = $solution_value["value2"];
866 $varObj = $this->getVariable($solution_value["value1"]);
867 $varObj->setValue($solution_value["value2"]);
868 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
869 if (!array_key_exists($matches[1], $user_solution)) {
870 $user_solution[$matches[1]] = array();
871 }
872 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
873 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
874 if (!array_key_exists($matches[1], $user_solution)) {
875 $user_solution[$matches[1]] = array();
876 }
877 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
878 }
879 }
880 //vd($this->getResults());
881 $points = 0;
882 foreach ($this->getResults() as $result) {
883 //vd($user_solution[$result->getResult()]["value"]);
884 $points += $result->getReachedPoints($this->getVariables(), $this->getResults(), $user_solution[$result->getResult()]["value"], $user_solution[$result->getResult()]["unit"], $this->unitrepository->getUnits());
885 }
886
887 return $points;
888 }
getSolutionValues($active_id, $pass=null, $authorized=true)
Loads solutions of a given user from the database an returns it.
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.

References $pass, assQuestion\$points, $result, getResults(), assQuestion\getSolutionMaxPass(), assQuestion\getSolutionValues(), getVariable(), and getVariables().

+ Here is the call graph for this function:

◆ calculateReachedPointsFromPreviewSession()

assFormulaQuestion::calculateReachedPointsFromPreviewSession ( ilAssQuestionPreviewSession  $previewSession)

Reimplemented from assQuestion.

Definition at line 890 of file class.assFormulaQuestion.php.

891 {
892 $user_solution = $previewSession->getParticipantsSolution();
893
894 $points = 0;
895 foreach ($this->getResults() as $result) {
896 $v = isset($user_solution[$result->getResult()]) ? $user_solution[$result->getResult()] : null;
897 $u = isset($user_solution[$result->getResult() . '_unit']) ? $user_solution[$result->getResult() . '_unit'] : null;
898
899 $points += $result->getReachedPoints(
900 $this->getVariables(),
901 $this->getResults(),
902 $v,
903 $u,
904 $this->unitrepository->getUnits()
905 );
906 }
907
908 $reachedPoints = $this->deductHintPointsFromReachedPoints($previewSession, $points);
909
910 return $this->ensureNonNegativePoints($reachedPoints);
911 }
deductHintPointsFromReachedPoints(ilAssQuestionPreviewSession $previewSession, $reachedPoints)
ensureNonNegativePoints($points)

References assQuestion\$points, $result, assQuestion\deductHintPointsFromReachedPoints(), assQuestion\ensureNonNegativePoints(), ilAssQuestionPreviewSession\getParticipantsSolution(), getResults(), and getVariables().

+ Here is the call graph for this function:

◆ canUseAdvancedRating()

assFormulaQuestion::canUseAdvancedRating (   $result)

Check if advanced rating can be used for a result.

This is only possible if there is exactly one possible correct unit for the result, otherwise it is impossible to determine wheather the unit is correct or the value.

Returns
boolean True if advanced rating could be used, false otherwise

Definition at line 485 of file class.assFormulaQuestion.php.

486 {
487 $result_units = $this->getResultUnits($result);
488 $resultunit = $result->getUnit();
489 $similar_units = 0;
490 foreach ($result_units as $unit) {
491 if (is_object($resultunit)) {
492 if ($resultunit->getId() != $unit->getId()) {
493 if ($resultunit->getBaseUnit() && $unit->getBaseUnit()) {
494 if ($resultunit->getBaseUnit() == $unit->getBaseUnit()) {
495 return false;
496 }
497 }
498 if ($resultunit->getBaseUnit()) {
499 if ($resultunit->getBaseUnit() == $unit->getId()) {
500 return false;
501 }
502 }
503 if ($unit->getBaseUnit()) {
504 if ($unit->getBaseUnit() == $resultunit->getId()) {
505 return false;
506 }
507 }
508 }
509 }
510 }
511 return true;
512 }

References $result, and getResultUnits().

+ Here is the call graph for this function:

◆ checkForDuplicateResults()

assFormulaQuestion::checkForDuplicateResults ( )

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

174 {
175 if (preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches)) {
176 if ((count(array_unique($rmatches[1]))) != count($rmatches[1])) {
177 return false;
178 }
179 }
180 return true;
181 }
getQuestion()
Gets the question string of the question object.

References assQuestion\getQuestion().

+ Here is the call graph for this function:

◆ checkForDuplicateVariables()

assFormulaQuestion::checkForDuplicateVariables ( )

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

164 {
165 if (preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches)) {
166 if ((count(array_unique($matches[1]))) != count($matches[1])) {
167 return false;
168 }
169 }
170 return true;
171 }

References assQuestion\getQuestion().

+ Here is the call graph for this function:

◆ clearResults()

assFormulaQuestion::clearResults ( )

Definition at line 78 of file class.assFormulaQuestion.php.

79 {
80 $this->results = array();
81 }

Referenced by parseQuestionText().

+ Here is the caller graph for this function:

◆ clearVariables()

assFormulaQuestion::clearVariables ( )

Definition at line 55 of file class.assFormulaQuestion.php.

56 {
57 $this->variables = array();
58 }

Referenced by parseQuestionText().

+ Here is the caller graph for this function:

◆ copyObject()

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

Copies an assFormulaQuestion object @access public.

Definition at line 772 of file class.assFormulaQuestion.php.

773 {
774 if ($this->id <= 0) {
775 // The question has not been saved. It cannot be duplicated
776 return;
777 }
778 // duplicate the question in database
779 $clone = $this;
780 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
782 $clone->id = -1;
783 $source_questionpool_id = $this->getObjId();
784 $clone->setObjId($target_questionpool_id);
785 if ($title) {
786 $clone->setTitle($title);
787 }
788 $clone->saveToDb();
789
790 $clone->unitrepository->cloneUnits($original_id, $clone->getId());
791
792 // copy question page content
793 $clone->copyPageOfQuestion($original_id);
794 // copy XHTML media objects
795 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
796
797 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
798
799 return $clone->id;
800 }
static _getOriginalId($question_id)
Returns the original id of a question.
getObjId()
Get the object id of the container object.

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

+ Here is the call graph for this function:

◆ createNewOriginalFromThisDuplicate()

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

Definition at line 802 of file class.assFormulaQuestion.php.

803 {
804 if ($this->id <= 0) {
805 // The question has not been saved. It cannot be duplicated
806 return;
807 }
808
809 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
810
811 $sourceQuestionId = $this->id;
812 $sourceParentId = $this->getObjId();
813
814 // duplicate the question in database
815 $clone = $this;
816 $clone->id = -1;
817
818 $clone->setObjId($targetParentId);
819
820 if ($targetQuestionTitle) {
821 $clone->setTitle($targetQuestionTitle);
822 }
823
824 $clone->saveToDb();
825 // copy question page content
826 $clone->copyPageOfQuestion($sourceQuestionId);
827 // copy XHTML media objects
828 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
829
830 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
831
832 return $clone->id;
833 }

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

+ Here is the call graph for this function:

◆ deleteAnswers()

assFormulaQuestion::deleteAnswers (   $question_id)

Deletes datasets from answers tables.

Parameters
integer$question_idThe question id which should be deleted in the answers table @access public

Reimplemented from assQuestion.

Definition at line 1146 of file class.assFormulaQuestion.php.

1147 {
1148 global $DIC;
1149 $ilDB = $DIC['ilDB'];
1150
1151 $affectedRows = $ilDB->manipulateF(
1152 "DELETE FROM il_qpl_qst_fq_var WHERE question_fi = %s",
1153 array('integer'),
1154 array($question_id)
1155 );
1156
1157 $affectedRows = $ilDB->manipulateF(
1158 "DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
1159 array('integer'),
1160 array($question_id)
1161 );
1162
1163 $affectedRows = $ilDB->manipulateF(
1164 "DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
1165 array('integer'),
1166 array($question_id)
1167 );
1168
1169 $affectedRows = $ilDB->manipulateF(
1170 "DELETE FROM il_qpl_qst_fq_ucat WHERE question_fi = %s",
1171 array('integer'),
1172 array($question_id)
1173 );
1174
1175 $affectedRows = $ilDB->manipulateF(
1176 "DELETE FROM il_qpl_qst_fq_unit WHERE question_fi = %s",
1177 array('integer'),
1178 array($question_id)
1179 );
1180 }
global $DIC
Definition: goto.php:24
global $ilDB

References $DIC, and $ilDB.

◆ duplicate()

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

Duplicates an assFormulaQuestion @access public.

Reimplemented from assQuestion.

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

722 {
723 if ($this->id <= 0) {
724 // The question has not been saved. It cannot be duplicated
725 return;
726 }
727 // duplicate the question in database
728 $this_id = $this->getId();
729 $thisObjId = $this->getObjId();
730
731 $clone = $this;
732 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
734 $clone->id = -1;
735
736 if ((int) $testObjId > 0) {
737 $clone->setObjId($testObjId);
738 }
739
740 if ($title) {
741 $clone->setTitle($title);
742 }
743
744 if ($author) {
745 $clone->setAuthor($author);
746 }
747 if ($owner) {
748 $clone->setOwner($owner);
749 }
750
751 if ($for_test) {
752 $clone->saveToDb($original_id);
753 } else {
754 $clone->saveToDb();
755 }
756
757 $clone->unitrepository->cloneUnits($this_id, $clone->getId());
758
759 // copy question page content
760 $clone->copyPageOfQuestion($this_id);
761 // copy XHTML media objects
762 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
763 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
764
765 return $clone->id;
766 }
getId()
Gets the id of the assQuestion object.

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

+ Here is the call graph for this function:

◆ fetchAllResults()

assFormulaQuestion::fetchAllResults (   $questionText)
Parameters
string$questionText
Returns
assFormulaQuestionResult[] $resObjects

Definition at line 187 of file class.assFormulaQuestion.php.

188 {
189 $resObjects = array();
190 $matches = null;
191
192 if (preg_match_all("/(\\\$r\\d+)/ims", $questionText, $matches)) {
193 foreach ($matches[1] as $resultKey) {
194 $resObjects[] = $this->getResult($resultKey);
195 }
196 }
197
198 return $resObjects;
199 }

References getResult().

Referenced by getInitialVariableSolutionValues().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ fetchAllVariables()

assFormulaQuestion::fetchAllVariables (   $questionText)
Parameters
string$questionText
Returns
assFormulaQuestionVariable[] $varObjects

Definition at line 205 of file class.assFormulaQuestion.php.

206 {
207 $varObjects = array();
208 $matches = null;
209
210 if (preg_match_all("/(\\\$v\\d+)/ims", $questionText, $matches)) {
211 foreach ($matches[1] as $variableKey) {
212 $varObjects[] = $this->getVariable($variableKey);
213 }
214 }
215
216 return $varObjects;
217 }

References getVariable().

Referenced by getInitialVariableSolutionValues(), hasRequiredVariableSolutionValues(), and substituteVariables().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ getAdditionalTableName()

assFormulaQuestion::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 1127 of file class.assFormulaQuestion.php.

1128 {
1129 return "";
1130 }

◆ getAnswerTableName()

assFormulaQuestion::getAnswerTableName ( )

Returns the name of the answer table in the database.

Returns
string The answer table name

Reimplemented from assQuestion.

Definition at line 1136 of file class.assFormulaQuestion.php.

1137 {
1138 return "";
1139 }

◆ getAvailableAnswerOptions()

assFormulaQuestion::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 1452 of file class.assFormulaQuestion.php.

1453 {
1454 if ($index !== null) {
1455 return $this->getResult('$r' . ($index + 1));
1456 } else {
1457 return $this->getResults();
1458 }
1459 }
$index
Definition: metadata.php:128

References $index, getResult(), and getResults().

+ Here is the call graph for this function:

◆ getBestSolution()

assFormulaQuestion::getBestSolution (   $solutions)

Returns the best solution for a given pass of a participant.

Returns
array An associated array containing the best solution @access public

Definition at line 1230 of file class.assFormulaQuestion.php.

1231 {
1232 $user_solution = array();
1233
1234 foreach ($solutions as $idx => $solution_value) {
1235 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
1236 $user_solution[$matches[1]] = $solution_value["value2"];
1237 $varObj = $this->getVariable($matches[1]);
1238 $varObj->setValue($solution_value["value2"]);
1239 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
1240 if (!array_key_exists($matches[1], $user_solution)) {
1241 $user_solution[$matches[1]] = array();
1242 }
1243 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
1244 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
1245 if (!array_key_exists($matches[1], $user_solution)) {
1246 $user_solution[$matches[1]] = array();
1247 }
1248 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
1249 }
1250 }
1251 foreach ($this->getResults() as $result) {
1252 $resVal = $result->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), false);
1253
1254 if (is_object($result->getUnit())) {
1255 $user_solution[$result->getResult()]["unit"] = $result->getUnit()->getId();
1256 $user_solution[$result->getResult()]["value"] = $resVal;
1257 } elseif ($result->getUnit() == null) {
1258 $unit_factor = 1;
1259 // there is no fix result_unit, any "available unit" is accepted
1260
1261 $available_units = $result->getAvailableResultUnits(parent::getId());
1262 $result_name = $result->getResult();
1263
1264 if ($available_units[$result_name] != null) {
1265 $check_unit = in_array($user_solution[$result_name]['unit'], $available_units[$result_name]);
1266 }
1267
1268 if ($check_unit == true) {
1269 //get unit-factor
1270 $unit_factor = assFormulaQuestionUnit::lookupUnitFactor($user_solution[$result_name]['unit']);
1271 }
1272
1273 try {
1274 $user_solution[$result->getResult()]["value"] = ilMath::_div($resVal, $unit_factor, 55);
1275 } catch (ilMathDivisionByZeroException $ex) {
1276 $user_solution[$result->getResult()]["value"] = 0;
1277 }
1278 }
1280 || $result->getResultType() == assFormulaQuestionResult::RESULT_FRAC) {
1282 if (is_array($value)) {
1283 $user_solution[$result->getResult()]["value"] = $value[0];
1284 $user_solution[$result->getResult()]["frac_helper"] = $value[1];
1285 } else {
1286 $user_solution[$result->getResult()]["value"] = $value;
1287 $user_solution[$result->getResult()]["frac_helper"] = null;
1288 }
1289 } else {
1290 $user_solution[$result->getResult()]["value"] = round($user_solution[$result->getResult()]["value"], $result->getPrecision());
1291 /*
1292 $user_solution[$result->getResult()]["value"] = ilMath::_div(
1293 $user_solution[$result->getResult()]["value"],
1294 1,
1295 $result->getPrecision()
1296 );
1297 */
1298 }
1299 }
1300 return $user_solution;
1301 }
static convertDecimalToCoprimeFraction($decimal_value, $tolerance=1.e-9)
static _div($left_operand, $right_operand, $scale=50)

References $result, ilMath\_div(), assFormulaQuestionResult\convertDecimalToCoprimeFraction(), getResults(), getVariable(), getVariables(), assFormulaQuestionUnit\lookupUnitFactor(), assFormulaQuestionResult\RESULT_CO_FRAC, and assFormulaQuestionResult\RESULT_FRAC.

+ Here is the call graph for this function:

◆ getExpressionTypes()

assFormulaQuestion::getExpressionTypes ( )

◆ getInitialVariableSolutionValues()

assFormulaQuestion::getInitialVariableSolutionValues ( )
Returns
array $initialVariableSolutionValues

Definition at line 241 of file class.assFormulaQuestion.php.

242 {
243 foreach ($this->fetchAllResults($this->getQuestion()) as $resObj) {
244 $resObj->findValidRandomVariables($this->getVariables(), $this->getResults());
245 }
246
247 $variableSolutionValues = array();
248
249 foreach ($this->fetchAllVariables($this->getQuestion()) as $varObj) {
250 $variableSolutionValues[$varObj->getVariable()] = $varObj->getValue();
251 }
252
253 return $variableSolutionValues;
254 }

References fetchAllResults(), fetchAllVariables(), assQuestion\getQuestion(), getResults(), and getVariables().

+ Here is the call graph for this function:

◆ getMaximumPoints()

assFormulaQuestion::getMaximumPoints ( )

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

See also
$points

Reimplemented from assQuestion.

Definition at line 839 of file class.assFormulaQuestion.php.

840 {
841 $points = 0;
842 foreach ($this->results as $result) {
843 $points += $result->getPoints();
844 }
845 return $points;
846 }

References assQuestion\$points, and $result.

Referenced by isComplete().

+ Here is the caller graph for this function:

◆ getOperators()

assFormulaQuestion::getOperators (   $expression)

Get all available operations for a specific question.

Parameters
$expression

Implements iQuestionCondition.

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

1381 {
1382 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1384 }

References ilOperatorsExpressionMapping\getOperatorsByExpression().

+ Here is the call graph for this function:

◆ getQuestionType()

assFormulaQuestion::getQuestionType ( )

Returns the question type of the question.

Returns
string The question type of the question

Reimplemented from assQuestion.

Definition at line 1118 of file class.assFormulaQuestion.php.

1119 {
1120 return "assFormulaQuestion";
1121 }

◆ getResult()

assFormulaQuestion::getResult (   $result)

Definition at line 88 of file class.assFormulaQuestion.php.

89 {
90 if (array_key_exists($result, $this->results)) {
91 return $this->results[$result];
92 }
93 return null;
94 }

References $result.

Referenced by fetchAllResults(), getAvailableAnswerOptions(), loadFromDb(), and substituteVariables().

+ Here is the caller graph for this function:

◆ getResults()

assFormulaQuestion::getResults ( )

◆ getResultUnits()

assFormulaQuestion::getResultUnits (   $result)

Definition at line 124 of file class.assFormulaQuestion.php.

125 {
126 if (array_key_exists($result->getResult(), $this->resultunits)) {
127 return $this->resultunits[$result->getResult()];
128 } else {
129 return array();
130 }
131 }

References $result.

Referenced by canUseAdvancedRating(), saveToDb(), and substituteVariables().

+ Here is the caller graph for this function:

◆ getRTETextWithMediaObjects()

assFormulaQuestion::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 1186 of file class.assFormulaQuestion.php.

1187 {
1188 $text = parent::getRTETextWithMediaObjects();
1189 return $text;
1190 }

◆ getSolutionSubmit()

assFormulaQuestion::getSolutionSubmit ( )
protected
Returns
array

Definition at line 1343 of file class.assFormulaQuestion.php.

1344 {
1345 $solutionSubmit = array();
1346 foreach ($_POST as $k => $v) {
1347 if (preg_match("/^result_(\\\$r\\d+)$/", $k)) {
1348 $solutionSubmit[$k] = $v;
1349 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $k)) {
1350 $solutionSubmit[$k] = $v;
1351 }
1352 }
1353 return $solutionSubmit;
1354 }
$_POST["username"]

References $_POST.

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

+ Here is the caller graph for this function:

◆ getUnitrepository()

assFormulaQuestion::getUnitrepository ( )
Returns
\ilUnitConfigurationRepository

Definition at line 1335 of file class.assFormulaQuestion.php.

References $unitrepository.

Referenced by addResultUnits(), loadFromDb(), setExportDetailsXLS(), and substituteVariables().

+ Here is the caller graph for this function:

◆ getVariable()

assFormulaQuestion::getVariable (   $variable)

Definition at line 65 of file class.assFormulaQuestion.php.

66 {
67 if (array_key_exists($variable, $this->variables)) {
68 return $this->variables[$variable];
69 }
70 return null;
71 }

Referenced by calculateReachedPoints(), fetchAllVariables(), getBestSolution(), and setExportDetailsXLS().

+ Here is the caller graph for this function:

◆ getVariables()

assFormulaQuestion::getVariables ( )

◆ hasRequiredVariableSolutionValues()

assFormulaQuestion::hasRequiredVariableSolutionValues ( array  $userSolution)
Parameters
array$userSolution
Returns
bool

Definition at line 223 of file class.assFormulaQuestion.php.

224 {
225 foreach ($this->fetchAllVariables($this->getQuestion()) as $varObj) {
226 if (!isset($userSolution[$varObj->getVariable()])) {
227 return false;
228 }
229
230 if (!strlen($userSolution[$varObj->getVariable()])) {
231 return false;
232 }
233 }
234
235 return true;
236 }

References fetchAllVariables(), and assQuestion\getQuestion().

+ Here is the call graph for this function:

◆ hasResultUnit()

assFormulaQuestion::hasResultUnit (   $result,
  $unit_id 
)

Definition at line 133 of file class.assFormulaQuestion.php.

134 {
135 if (array_key_exists($result->getResult(), $this->resultunits)) {
136 if (array_key_exists($unit_id, $this->resultunits[$result->getResult()])) {
137 return true;
138 }
139 }
140
141 return false;
142 }

References $result.

◆ isComplete()

assFormulaQuestion::isComplete ( )

Returns true, if the question is complete for use.

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

Reimplemented from assQuestion.

Definition at line 518 of file class.assFormulaQuestion.php.

519 {
520 if (($this->title) and ($this->author) and ($this->question) and ($this->getMaximumPoints() > 0)) {
521 return true;
522 } else {
523 return false;
524 }
525 }
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.

References getMaximumPoints().

+ Here is the call graph for this function:

◆ isValidSolutionResultValue()

assFormulaQuestion::isValidSolutionResultValue (   $submittedValue)
protected

Definition at line 913 of file class.assFormulaQuestion.php.

914 {
915 $submittedValue = str_replace(',', '.', $submittedValue);
916
917 if (is_numeric($submittedValue)) {
918 return true;
919 }
920
921 if (preg_match('/^[-+]{0,1}\d+\/\d+$/', $submittedValue)) {
922 return true;
923 }
924
925 return false;
926 }

Referenced by validateSolutionSubmit().

+ Here is the caller graph for this function:

◆ loadFromDb()

assFormulaQuestion::loadFromDb (   $question_id)

Loads a assFormulaQuestion object from a database.

Parameters
integer$question_idA unique key which defines the question in the database

Reimplemented from assQuestion.

Definition at line 631 of file class.assFormulaQuestion.php.

632 {
633 global $DIC;
634 $ilDB = $DIC['ilDB'];
635
636 $result = $ilDB->queryF(
637 "SELECT qpl_questions.* FROM qpl_questions WHERE question_id = %s",
638 array('integer'),
639 array($question_id)
640 );
641 if ($result->numRows() == 1) {
642 $data = $ilDB->fetchAssoc($result);
643 $this->setId($question_id);
644 $this->setTitle($data["title"]);
645 $this->setComment($data["description"]);
646 $this->setSuggestedSolution($data["solution_hint"]);
647 $this->setPoints($data['points']);
648 $this->setOriginalId($data["original_id"]);
649 $this->setObjId($data["obj_fi"]);
650 $this->setAuthor($data["author"]);
651 $this->setOwner($data["owner"]);
652
653 try {
657 }
658
659 try {
660 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
662 }
663
664 $this->unitrepository = new ilUnitConfigurationRepository($question_id);
665
666 include_once("./Services/RTE/classes/class.ilRTE.php");
667 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
668 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
669
670 // load variables
671 $result = $ilDB->queryF(
672 "SELECT * FROM il_qpl_qst_fq_var WHERE question_fi = %s",
673 array('integer'),
674 array($question_id)
675 );
676 if ($result->numRows() > 0) {
677 while ($data = $ilDB->fetchAssoc($result)) {
678 $varObj = new assFormulaQuestionVariable($data["variable"], $data["range_min"], $data["range_max"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["varprecision"], $data["intprecision"]);
679 $varObj->setRangeMinTxt($data['range_min_txt']);
680 $varObj->setRangeMaxTxt($data['range_max_txt']);
681 $this->addVariable($varObj);
682 }
683 }
684 // load results
685 $result = $ilDB->queryF(
686 "SELECT * FROM il_qpl_qst_fq_res WHERE question_fi = %s",
687 array('integer'),
688 array($question_id)
689 );
690 if ($result->numRows() > 0) {
691 while ($data = $ilDB->fetchAssoc($result)) {
692 $resObj = new assFormulaQuestionResult($data["result"], $data["range_min"], $data["range_max"], $data["tolerance"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["formula"], $data["points"], $data["resprecision"], $data["rating_simple"], $data["rating_sign"], $data["rating_value"], $data["rating_unit"]);
693 $resObj->setResultType($data['result_type']);
694 $resObj->setRangeMinTxt($data['range_min_txt']);
695 $resObj->setRangeMaxTxt($data['range_max_txt']);
696 $this->addResult($resObj);
697 }
698 }
699
700 // load result units
701 $result = $ilDB->queryF(
702 "SELECT * FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
703 array('integer'),
704 array($question_id)
705 );
706 if ($result->numRows() > 0) {
707 while ($data = $ilDB->fetchAssoc($result)) {
708 $unit = $this->getUnitrepository()->getUnit($data["unit_fi"]);
709 $resObj = $this->getResult($data["result"]);
710 $this->addResultUnit($resObj, $unit);
711 }
712 }
713 }
714 parent::loadFromDb($question_id);
715 }
setId($id=-1)
Sets the id of the assQuestion object.
setOriginalId($original_id)
setObjId($obj_id=0)
Set the object id of the container object.
setSuggestedSolution($solution_id="", $subquestion_index=0, $is_import=false)
Sets a suggested solution for the question.
setTitle($title="")
Sets the title string of the assQuestion object.
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
setAuthor($author="")
Sets the authors name of the assQuestion object.
setLifecycle(ilAssQuestionLifecycle $lifecycle)
setPoints($a_points)
Sets the maximum available points for the question.
setComment($comment="")
Sets the comment string of the assQuestion object.
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
setQuestion($question="")
Sets the question string of the question object.
static _replaceMediaObjectImageSrc($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...
$data
Definition: storeScorm.php:23

References $data, $DIC, Vendor\Package\$e, $ilDB, $result, ilRTE\_replaceMediaObjectImageSrc(), addResult(), addResultUnit(), addVariable(), ilAssQuestionLifecycle\getDraftInstance(), ilAssQuestionLifecycle\getInstance(), getResult(), getUnitrepository(), assQuestion\setAdditionalContentEditingMode(), assQuestion\setAuthor(), assQuestion\setComment(), assQuestion\setEstimatedWorkingTime(), setId(), assQuestion\setLifecycle(), assQuestion\setObjId(), assQuestion\setOriginalId(), assQuestion\setOwner(), assQuestion\setPoints(), assQuestion\setQuestion(), assQuestion\setSuggestedSolution(), and assQuestion\setTitle().

+ Here is the call graph for this function:

◆ lookupForExistingSolutions()

assFormulaQuestion::lookupForExistingSolutions (   $activeId,
  $pass 
)

Lookup if an authorized or intermediate solution exists.

Parameters
int$activeId
int$pass
Returns
array ['authorized' => bool, 'intermediate' => bool]

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

1028 {
1029 global $DIC;
1030 $ilDB = $DIC['ilDB'];
1031
1032 $return = array(
1033 'authorized' => false,
1034 'intermediate' => false
1035 );
1036
1037 $query = "
1038 SELECT authorized, COUNT(*) cnt
1039 FROM tst_solutions
1040 WHERE active_fi = " . $ilDB->quote($activeId, 'integer') . "
1041 AND question_fi = " . $ilDB->quote($this->getId(), 'integer') . "
1042 AND pass = " . $ilDB->quote($pass, 'integer') . "
1043 AND value1 like '\$r%'
1044 AND value2 is not null
1045 AND value2 <> ''
1046 ";
1047
1048 if ($this->getStep() !== null) {
1049 $query .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
1050 }
1051
1052 $query .= "
1053 GROUP BY authorized
1054 ";
1055
1056 $result = $ilDB->query($query);
1057
1058 while ($row = $ilDB->fetchAssoc($result)) {
1059 if ($row['authorized']) {
1060 $return['authorized'] = $row['cnt'] > 0;
1061 } else {
1062 $return['intermediate'] = $row['cnt'] > 0;
1063 }
1064 }
1065 return $return;
1066 }
$query

References $DIC, $ilDB, $pass, $query, $result, assQuestion\getId(), and assQuestion\getStep().

+ Here is the call graph for this function:

◆ parseQuestionText()

assFormulaQuestion::parseQuestionText ( )

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

145 {
146 $this->clearResults();
147 $this->clearVariables();
148 if (preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches)) {
149 foreach ($matches[1] as $variable) {
150 $varObj = new assFormulaQuestionVariable($variable, 0, 0, null, 0);
151 $this->addVariable($varObj);
152 }
153 }
154
155 if (preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches)) {
156 foreach ($rmatches[1] as $result) {
157 $resObj = new assFormulaQuestionResult($result, null, null, 0, -1, null, 1, 1, true);
158 $this->addResult($resObj);
159 }
160 }
161 }

References $result, addResult(), addVariable(), clearResults(), clearVariables(), and assQuestion\getQuestion().

+ Here is the call graph for this function:

◆ removeExistingSolutions()

assFormulaQuestion::removeExistingSolutions (   $activeId,
  $pass 
)

Remove an existing solution without removing the variables.

Parameters
int$activeId
int$pass
Returns
int

Reimplemented from assQuestion.

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

1077 {
1078 global $DIC;
1079 $ilDB = $DIC['ilDB'];
1080
1081 $query = "
1082 DELETE FROM tst_solutions
1083 WHERE active_fi = " . $ilDB->quote($activeId, 'integer') . "
1084 AND question_fi = " . $ilDB->quote($this->getId(), 'integer') . "
1085 AND pass = " . $ilDB->quote($pass, 'integer') . "
1086 AND value1 like '\$r%'
1087 ";
1088
1089 if ($this->getStep() !== null) {
1090 $query .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
1091 }
1092
1093 return $ilDB->manipulate($query);
1094 }

References $DIC, $ilDB, $pass, $query, assQuestion\getId(), and assQuestion\getStep().

+ Here is the call graph for this function:

◆ savePreviewData()

assFormulaQuestion::savePreviewData ( ilAssQuestionPreviewSession  $previewSession)
protected

Reimplemented from assQuestion.

Definition at line 1097 of file class.assFormulaQuestion.php.

1098 {
1099 $userSolution = $previewSession->getParticipantsSolution();
1100
1101 foreach ($this->getSolutionSubmit() as $key => $val) {
1102 $matches = null;
1103
1104 if (preg_match("/^result_(\\\$r\\d+)$/", $key, $matches)) {
1105 $userSolution[$matches[1]] = $val;
1106 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches)) {
1107 $userSolution[$matches[1] . "_unit"] = $val;
1108 }
1109 }
1110
1111 $previewSession->setParticipantsSolution($userSolution);
1112 }

References ilAssQuestionPreviewSession\getParticipantsSolution(), getSolutionSubmit(), and ilAssQuestionPreviewSession\setParticipantsSolution().

+ Here is the call graph for this function:

◆ saveToDb()

assFormulaQuestion::saveToDb (   $original_id = "")

Saves a assFormulaQuestion object to a database @access public.

Reimplemented from assQuestion.

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

532 {
533 global $DIC;
534 $ilDB = $DIC['ilDB'];
535
537 // save variables
538 $affectedRows = $ilDB->manipulateF(
539 "
540 DELETE FROM il_qpl_qst_fq_var
541 WHERE question_fi = %s",
542 array("integer"),
543 array($this->getId())
544 );
545
546 foreach ($this->variables as $variable) {
547 $next_id = $ilDB->nextId('il_qpl_qst_fq_var');
548 $ilDB->insert(
549 'il_qpl_qst_fq_var',
550 array(
551 'variable_id' => array('integer', $next_id),
552 'question_fi' => array('integer', $this->getId()),
553 'variable' => array('text', $variable->getVariable()),
554 'range_min' => array('float', ((strlen($variable->getRangeMin())) ? $variable->getRangeMin() : 0.0)),
555 'range_max' => array('float', ((strlen($variable->getRangeMax())) ? $variable->getRangeMax() : 0.0)),
556 'unit_fi' => array('integer', (is_object($variable->getUnit()) ? (int) $variable->getUnit()->getId() : 0)),
557 'varprecision' => array('integer', (int) $variable->getPrecision()),
558 'intprecision' => array('integer', (int) $variable->getIntprecision()),
559 'range_min_txt' => array('text', $variable->getRangeMinTxt()),
560 'range_max_txt' => array('text', $variable->getRangeMaxTxt())
561 )
562 );
563 }
564 // save results
565 $affectedRows = $ilDB->manipulateF(
566 "DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
567 array("integer"),
568 array($this->getId())
569 );
570
571 foreach ($this->results as $result) {
572 $next_id = $ilDB->nextId('il_qpl_qst_fq_res');
573 if (is_object($result->getUnit())) {
574 $tmp_result_unit = $result->getUnit()->getId();
575 } else {
576 $tmp_result_unit = null;
577 }
578
579 $formula = str_replace(",", ".", $result->getFormula());
580
581 $ilDB->insert("il_qpl_qst_fq_res", array(
582 "result_id" => array("integer", $next_id),
583 "question_fi" => array("integer", $this->getId()),
584 "result" => array("text", $result->getResult()),
585 "range_min" => array("float", ((strlen($result->getRangeMin())) ? $result->getRangeMin() : 0)),
586 "range_max" => array("float", ((strlen($result->getRangeMax())) ? $result->getRangeMax() : 0)),
587 "tolerance" => array("float", ((strlen($result->getTolerance())) ? $result->getTolerance() : 0)),
588 "unit_fi" => array("integer", (int) $tmp_result_unit),
589 "formula" => array("clob", $formula),
590 "resprecision" => array("integer", $result->getPrecision()),
591 "rating_simple" => array("integer", ($result->getRatingSimple()) ? 1 : 0),
592 "rating_sign" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingSign()),
593 "rating_value" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingValue()),
594 "rating_unit" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingUnit()),
595 "points" => array("float", $result->getPoints()),
596 "result_type" => array('integer', (int) $result->getResultType()),
597 "range_min_txt" => array("text", $result->getRangeMinTxt()),
598 "range_max_txt" => array("text", $result->getRangeMaxTxt())
599
600 ));
601 }
602 // save result units
603 $affectedRows = $ilDB->manipulateF(
604 "DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
605 array("integer"),
606 array($this->getId())
607 );
608 foreach ($this->results as $result) {
609 foreach ($this->getResultUnits($result) as $unit) {
610 $next_id = $ilDB->nextId('il_qpl_qst_fq_res_unit');
611 $affectedRows = $ilDB->manipulateF(
612 "INSERT INTO il_qpl_qst_fq_res_unit (result_unit_id, question_fi, result, unit_fi) VALUES (%s, %s, %s, %s)",
613 array('integer', 'integer', 'text', 'integer'),
614 array(
615 $next_id,
616 $this->getId(),
617 $result->getResult(),
618 $unit->getId()
619 )
620 );
621 }
622 }
623
624 parent::saveToDb();
625 }
saveQuestionDataToDb($original_id="")

References $DIC, $ilDB, assQuestion\$original_id, $result, assQuestion\getId(), getResultUnits(), and assQuestion\saveQuestionDataToDb().

+ Here is the call graph for this function:

◆ saveWorkingData()

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

Saves the learners input of the question to the database.

Parameters
integer$test_idThe database id of the test containing this question
Returns
boolean Indicates the save status (true if saved successful, false otherwise) @access public
See also
$answers

Reimplemented from assQuestion.

Definition at line 935 of file class.assFormulaQuestion.php.

936 {
937 global $DIC;
938 $ilDB = $DIC['ilDB'];
939
940 if (is_null($pass)) {
941 include_once "./Modules/Test/classes/class.ilObjTest.php";
942 $pass = ilObjTest::_getPass($active_id);
943 }
944
945 $entered_values = false;
946
947 $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(function () use (&$entered_values, $ilDB, $active_id, $pass, $authorized) {
948 $solutionSubmit = $this->getSolutionSubmit();
949 foreach ($solutionSubmit as $key => $value) {
950 $matches = null;
951 if (preg_match("/^result_(\\\$r\\d+)$/", $key, $matches)) {
952 if (strlen($value)) {
953 $entered_values = true;
954 }
955
956 $queryResult = "SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND authorized = %s AND " . $ilDB->like('value1', 'clob', $matches[1]);
957
958 if ($this->getStep() !== null) {
959 $queryResult .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
960 }
961
962 $result = $ilDB->queryF(
963 $queryResult,
964 array('integer', 'integer', 'integer', 'integer'),
965 array($active_id, $pass, $this->getId(), (int) $authorized)
966 );
967 if ($result->numRows()) {
968 while ($row = $ilDB->fetchAssoc($result)) {
969 $ilDB->manipulateF(
970 "DELETE FROM tst_solutions WHERE solution_id = %s AND authorized = %s",
971 array('integer', 'integer'),
972 array($row['solution_id'], (int) $authorized)
973 );
974 }
975 }
976
977 $this->saveCurrentSolution($active_id, $pass, $matches[1], str_replace(",", ".", $value), $authorized);
978 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches)) {
979 $queryResultUnit = "SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND authorized = %s AND " . $ilDB->like('value1', 'clob', $matches[1] . "_unit");
980
981 if ($this->getStep() !== null) {
982 $queryResultUnit .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
983 }
984
985 $result = $ilDB->queryF(
986 $queryResultUnit,
987 array('integer', 'integer', 'integer', 'integer'),
988 array($active_id, $pass, $this->getId(), (int) $authorized)
989 );
990 if ($result->numRows()) {
991 while ($row = $ilDB->fetchAssoc($result)) {
992 $ilDB->manipulateF(
993 "DELETE FROM tst_solutions WHERE solution_id = %s AND authorized = %s",
994 array('integer', 'integer'),
995 array($row['solution_id'], (int) $authorized)
996 );
997 }
998 }
999
1000 $this->saveCurrentSolution($active_id, $pass, $matches[1] . "_unit", $value, $authorized);
1001 }
1002 }
1003 });
1004
1005 if ($entered_values) {
1006 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1008 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1009 }
1010 } else {
1011 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1013 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1014 }
1015 }
1016
1017 return true;
1018 }
saveCurrentSolution($active_id, $pass, $value1, $value2, $authorized=true, $tstamp=null)
static logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
static _getLogLanguage()
retrieve the log language for assessment logging
static _enabledAssessmentLogging()
check wether assessment logging is enabled or not
static _getPass($active_id)
Retrieves the actual pass of a given user for a given test.

References $DIC, $ilDB, $pass, $result, ilObjAssessmentFolder\_enabledAssessmentLogging(), ilObjAssessmentFolder\_getLogLanguage(), ilObjTest\_getPass(), assQuestion\getId(), assQuestion\getProcessLocker(), getSolutionSubmit(), assQuestion\getStep(), assQuestion\logAction(), and assQuestion\saveCurrentSolution().

+ Here is the call graph for this function:

◆ setExportDetailsXLS()

assFormulaQuestion::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 1195 of file class.assFormulaQuestion.php.

1196 {
1197 parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
1198
1199 $solution = $this->getSolutionValues($active_id, $pass);
1200
1201 $i = 1;
1202 foreach ($solution as $solutionvalue) {
1203 $worksheet->setCell($startrow + $i, 0, $solutionvalue["value1"]);
1204 $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + $i));
1205 if (strpos($solutionvalue["value1"], "_unit")) {
1206 $unit = $this->getUnitrepository()->getUnit($solutionvalue["value2"]);
1207 if (is_object($unit)) {
1208 $worksheet->setCell($startrow + $i, 2, $unit->getUnit());
1209 }
1210 } else {
1211 $worksheet->setCell($startrow + $i, 2, $solutionvalue["value2"]);
1212 }
1213 if (preg_match("/(\\\$v\\d+)/", $solutionvalue["value1"], $matches)) {
1214 $var = $this->getVariable($solutionvalue["value1"]);
1215 if (is_object($var) && (is_object($var->getUnit()))) {
1216 $worksheet->setCell($startrow + $i, 3, $var->getUnit()->getUnit());
1217 }
1218 }
1219 $i++;
1220 }
1221
1222 return $startrow + $i + 1;
1223 }
$i
Definition: metadata.php:24

References $i, $pass, assQuestion\getSolutionValues(), getUnitrepository(), and getVariable().

+ Here is the call graph for this function:

◆ setId()

assFormulaQuestion::setId (   $id = -1)

Sets the id of the assQuestion object.

Parameters
integer$idA unique integer value @access public
See also
$id

Reimplemented from assQuestion.

Definition at line 1303 of file class.assFormulaQuestion.php.

1304 {
1305 parent::setId($id);
1306 $this->unitrepository->setConsumerId($this->getId());
1307 }

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

Referenced by loadFromDb().

+ Here is the call graph for this function:
+ Here is the caller graph for this function:

◆ setUnitrepository()

assFormulaQuestion::setUnitrepository (   $unitrepository)
Parameters
\ilUnitConfigurationRepository$unitrepository

Definition at line 1327 of file class.assFormulaQuestion.php.

1328 {
1329 $this->unitrepository = $unitrepository;
1330 }

References $unitrepository.

◆ substituteVariables()

assFormulaQuestion::substituteVariables ( array  $userdata,
  $graphicalOutput = false,
  $forsolution = false,
  $result_output = false 
)
Parameters
array$userdata
bool$graphicalOutput
bool$forsolution
bool$result_output
ilAssQuestionPreviewSession | null$previewSession
Returns
bool|mixed|string

Definition at line 264 of file class.assFormulaQuestion.php.

265 {
266 if ((count($this->results) == 0) && (count($this->variables) == 0)) {
267 return false;
268 }
269
270 $text = $this->getQuestion();
271
272 foreach ($this->fetchAllVariables($this->getQuestion()) as $varObj) {
273 if (isset($userdata[$varObj->getVariable()]) && strlen($userdata[$varObj->getVariable()])) {
274 $varObj->setValue($userdata[$varObj->getVariable()]);
275 }
276
277 $unit = (is_object($varObj->getUnit())) ? $varObj->getUnit()->getUnit() : "";
278 $val = (strlen($varObj->getValue()) > 8) ? strtoupper(sprintf("%e", $varObj->getValue())) : $varObj->getValue();
279
280 $text = preg_replace("/\\$" . substr($varObj->getVariable(), 1) . "(?![0-9]+)/", $val . " " . $unit . "\\1", $text);
281 }
282
283 $text = $this->purifyAndPrepareTextAreaOutput($text);
284
285 if (preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches)) {
286 foreach ($rmatches[1] as $result) {
287 $resObj = $this->getResult($result);
288 $value = "";
289 $frac_helper = '';
290 $user_data[$result]['result_type'] = $resObj->getResultType();
291
292 if (
293 $resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC ||
294 $resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
295 ) {
296 $is_frac = true;
297 }
298 if (is_array($userdata)) {
299 if (is_array($userdata[$result])) {
300 if (false && $forsolution && $result_output) { // fix for mantis #25956
301 $value_org = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
302 $value = sprintf("%." . $resObj->getPrecision() . "f", $value_org);
303 if ($is_frac) {
305 if (is_array($value)) {
306 $frac_helper = $value[1];
307 $value = $value[0];
308 }
309 }
310 } else {
311 if ($forsolution) {
312 $value = $userdata[$result]["value"];
313 } else {
314 $value = ' value="' . $userdata[$result]["value"] . '"';
315 }
316 }
317 }
318 } else {
319 if ($forsolution) {
320 $value = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
321 $value = sprintf("%." . $resObj->getPrecision() . "f", $value);
322
323 if ($is_frac) {
325 if (is_array($value)) {
326 $frac_helper = $value[1];
327 $value = $value[0];
328 }
329 $value = ' value="' . $value . '"';
330 }
331 } else {
332 // Precision fix for Preview by tjoussen
333 // If all default values are set, this function is called in getPreview
334 $use_precision = !($userdata == null && $graphicalOutput == false && $forsolution == false && $result_output == false);
335
336 $val = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), $use_precision);
337
338 if ($resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC
339 || $resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC) {
340 $val = $resObj->convertDecimalToCoprimeFraction($val);
341 if (is_array($val)) {
342 $frac_helper = $val[1];
343 $val = $val[0];
344 }
345 } else {
346 $val = sprintf("%." . $resObj->getPrecision() . "f", $val);
347 $val = (strlen($val) > 8) ? strtoupper(sprintf("%e", $val)) : $val;
348 }
349 $value = ' value="' . $val . '"';
350 }
351 }
352
353 if ($forsolution) {
354 $input = '<span class="ilc_qinput_TextInput solutionbox">' . ilUtil::prepareFormOutput($value) . '</span>';
355 } else {
356 $input = '<input class="ilc_qinput_TextInput" type="text" spellcheck="false" autocomplete="off" autocorrect="off" autocapitalize="off" name="result_' . $result . '"' . $value . ' />';
357 }
358
359 $units = "";
360 if (count($this->getResultUnits($resObj)) > 0) {
361 if ($forsolution) {
362 if (is_array($userdata)) {
363 foreach ($this->getResultUnits($resObj) as $unit) {
364 if ($userdata[$result]["unit"] == $unit->getId()) {
365 $units = $unit->getUnit();
366 }
367 }
368 } else {
369 if ($resObj->getUnit()) {
370 $units = $resObj->getUnit()->getUnit();
371 }
372 }
373 } else {
374 $units = '<select name="result_' . $result . '_unit">';
375 $units .= '<option value="-1">' . $this->lng->txt("select_unit") . '</option>';
376 foreach ($this->getResultUnits($resObj) as $unit) {
377 $units .= '<option value="' . $unit->getId() . '"';
378 if ((is_array($userdata[$result])) && (strlen($userdata[$result]["unit"]))) {
379 if ($userdata[$result]["unit"] == $unit->getId()) {
380 $units .= ' selected="selected"';
381 }
382 }
383 $units .= '>' . $unit->getUnit() . '</option>';
384 }
385 $units .= '</select>';
386 }
387 } else {
388 $units = "";
389 }
390 switch ($resObj->getResultType()) {
392 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_dec');
393 break;
395 if (strlen($frac_helper)) {
396 $units .= ' &asymp; ' . $frac_helper . ', ';
397 } elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"])) {
398 if (!preg_match('-/-', $value)) {
399 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
400 }
401 }
402 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_frac');
403 break;
405 if (strlen($frac_helper)) {
406 $units .= ' &asymp; ' . $frac_helper . ', ';
407 } elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"])) {
408 if (!preg_match('-/-', $value)) {
409 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
410 }
411 }
412 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_co_frac');
413 break;
415 break;
416 }
417 $checkSign = "";
418 if ($graphicalOutput) {
419 $resunit = null;
420 $user_value = '';
421 if (is_array($userdata) && is_array($userdata[$result])) {
422 if ($userdata[$result]["unit"] > 0) {
423 $resunit = $this->getUnitrepository()->getUnit($userdata[$result]["unit"]);
424 }
425
426 if (isset($userdata[$result]["value"])) {
427 $user_value = $userdata[$result]["value"];
428 }
429 }
430
431 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_image.html", true, true, 'Modules/TestQuestionPool');
432
433 if ($resObj->isCorrect($this->getVariables(), $this->getResults(), $user_value, $resunit)) {
434 $template->setCurrentBlock("icon_ok");
435 $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
436 $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
437 $template->parseCurrentBlock();
438 } else {
439 $template->setCurrentBlock("icon_not_ok");
440 $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
441 $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
442 $template->parseCurrentBlock();
443 }
444 $checkSign = $template->get();
445 }
446 $resultOutput = "";
447 if ($result_output) {
448 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_result.html", true, true, 'Modules/TestQuestionPool');
449
450 if (is_array($userdata)) {
451 $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $userdata[$resObj->getResult()]["value"], $userdata[$resObj->getResult()]["unit"], $this->getUnitrepository()->getUnits());
452 } else {
453 $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId()), is_object($resObj->getUnit()) ? $resObj->getUnit()->getId() : null, $this->getUnitrepository()->getUnits());
454 }
455 $resulttext = "(";
456 if ($resObj->getRatingSimple()) {
457 if ($frac_helper) {
458 $resulttext .= "n/a";
459 } else {
460 $resulttext .= $found['points'] . " " . (($found['points'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
461 }
462 } else {
463 $resulttext .= $this->lng->txt("rated_sign") . " " . (($found['sign']) ? $found['sign'] : 0) . " " . (($found['sign'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
464 $resulttext .= $this->lng->txt("rated_value") . " " . (($found['value']) ? $found['value'] : 0) . " " . (($found['value'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
465 $resulttext .= $this->lng->txt("rated_unit") . " " . (($found['unit']) ? $found['unit'] : 0) . " " . (($found['unit'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
466 }
467
468 $resulttext .= ")";
469 $template->setVariable("RESULT_OUTPUT", $resulttext);
470
471 $resultOutput = $template->get();
472 }
473 $text = preg_replace("/\\\$" . substr($result, 1) . "(?![0-9]+)/", $input . " " . $units . " " . $checkSign . " " . $resultOutput . " " . "\\1", $text);
474 }
475 }
476 return $text;
477 }
purifyAndPrepareTextAreaOutput(string $content)
special template class to simplify handling of ITX/PEAR
static getImagePath($img, $module_path="", $mode="output", $offline=false)
get image path (for images located in a template directory)
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms @access public

References $result, assFormulaQuestionResult\convertDecimalToCoprimeFraction(), fetchAllVariables(), ilUtil\getImagePath(), assQuestion\getQuestion(), getResult(), getResults(), getResultUnits(), getUnitrepository(), getVariables(), ilUtil\prepareFormOutput(), assQuestion\purifyAndPrepareTextAreaOutput(), assFormulaQuestionResult\RESULT_CO_FRAC, assFormulaQuestionResult\RESULT_DEC, assFormulaQuestionResult\RESULT_FRAC, and assFormulaQuestionResult\RESULT_NO_SELECTION.

+ Here is the call graph for this function:

◆ validateSolutionSubmit()

assFormulaQuestion::validateSolutionSubmit ( )

Reimplemented from assQuestion.

Definition at line 1356 of file class.assFormulaQuestion.php.

1357 {
1358 foreach ($this->getSolutionSubmit() as $key => $value) {
1359 if (preg_match("/^result_(\\\$r\\d+)$/", $key)) {
1360 if (strlen($value) && !$this->isValidSolutionResultValue($value)) {
1361 ilUtil::sendFailure($this->lng->txt("err_no_numeric_value"), true);
1362 return false;
1363 }
1364 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key)) {
1365 continue;
1366 }
1367 }
1368
1369 return true;
1370 }
isValidSolutionResultValue($submittedValue)
static sendFailure($a_info="", $a_keep=false)
Send Failure Message to Screen.

References getSolutionSubmit(), isValidSolutionResultValue(), and ilUtil\sendFailure().

+ Here is the call graph for this function:

Field Documentation

◆ $results

assFormulaQuestion::$results
private

Definition at line 22 of file class.assFormulaQuestion.php.

Referenced by getResults().

◆ $resultunits

assFormulaQuestion::$resultunits
private

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

Referenced by __get().

◆ $unitrepository

assFormulaQuestion::$unitrepository
private

Definition at line 28 of file class.assFormulaQuestion.php.

Referenced by getUnitrepository(), and setUnitrepository().

◆ $variables

assFormulaQuestion::$variables
private

Definition at line 21 of file class.assFormulaQuestion.php.

Referenced by getVariables().


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