ILIAS  release_5-3 Revision v5.3.23-19-g915713cf615
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
 __construct ( $title="", $comment="", $author="", $owner=-1, $question="")
 assQuestion constructor More...
 
 getShuffler ()
 
 setShuffler (ilArrayElementShuffler $shuffler)
 
 setProcessLocker ($processLocker)
 
 getProcessLocker ()
 
 fromXML (&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
 Receives parameters from a QTI parser and creates a valid ILIAS question object. More...
 
 toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
 Returns a QTI xml representation of the question. More...
 
 isComplete ()
 Returns true, if a question is complete for use. More...
 
 questionTitleExists ($questionpool_id, $title)
 Returns TRUE if the question title exists in the database. More...
 
 setTitle ($title="")
 Sets the title string of the assQuestion object. More...
 
 setId ($id=-1)
 Sets the id of the assQuestion object. More...
 
 setTestId ($id=-1)
 Sets the test id of the assQuestion object. More...
 
 setComment ($comment="")
 Sets the comment string of the assQuestion object. More...
 
 setOutputType ($outputType=OUTPUT_HTML)
 Sets the output type. More...
 
 setShuffle ($shuffle=true)
 Sets the shuffle flag. More...
 
 setEstimatedWorkingTime ($hour=0, $min=0, $sec=0)
 Sets the estimated working time of a question from given hour, minute and second. More...
 
 setEstimatedWorkingTimeFromDurationString ($durationString)
 Sets the estimated working time of a question from a given datetime string. More...
 
 keyInArray ($searchkey, $array)
 returns TRUE if the key occurs in an array More...
 
 setAuthor ($author="")
 Sets the authors name of the assQuestion object. More...
 
 setOwner ($owner="")
 Sets the creator/owner ID of the assQuestion object. More...
 
 getTitle ()
 Gets the title string of the assQuestion object. More...
 
 getTitleFilenameCompliant ()
 returns the object title prepared to be used as a filename More...
 
 getId ()
 Gets the id of the assQuestion object. More...
 
 getShuffle ()
 Gets the shuffle flag. More...
 
 getTestId ()
 Gets the test id of the assQuestion object. More...
 
 getComment ()
 Gets the comment string of the assQuestion object. More...
 
 getOutputType ()
 Gets the output type. More...
 
 supportsJavascriptOutput ()
 Returns true if the question type supports JavaScript output. More...
 
 supportsNonJsOutput ()
 
 requiresJsSwitch ()
 
 getEstimatedWorkingTime ()
 Gets the estimated working time of a question. More...
 
 getAuthor ()
 Gets the authors name of the assQuestion object. More...
 
 getOwner ()
 Gets the creator/owner ID of the assQuestion object. More...
 
 getObjId ()
 Get the object id of the container object. More...
 
 setObjId ($obj_id=0)
 Set the object id of the container object. More...
 
 setExternalId ($external_id)
 
 getExternalId ()
 
 getSuggestedSolutionOutput ()
 
_getSuggestedSolution ($question_id, $subquestion_index=0)
 Returns a suggested solution for a given subquestion index. More...
 
 getSuggestedSolutions ()
 Return the suggested solutions. More...
 
 getReachedPoints ($active_id, $pass=null)
 Returns the points, a learner has reached answering the question This is the fast way to get the points directly from the database. More...
 
 getMaximumPoints ()
 Returns the maximum points, a learner can reach answering the question. More...
 
 getAdjustedReachedPoints ($active_id, $pass=null, $authorizedSolution=true)
 returns the reached points ... More...
 
 calculateResultsFromSolution ($active_id, $pass=null, $obligationsEnabled=false)
 Calculates the question results from a previously saved question solution. More...
 
 persistWorkingState ($active_id, $pass=null, $obligationsEnabled=false, $authorized=true)
 persists the working state for current testactive and testpass More...
 
 persistPreviewState (ilAssQuestionPreviewSession $previewSession)
 persists the preview state for current user and question More...
 
 validateSolutionSubmit ()
 
 saveWorkingData ($active_id, $pass=null, $authorized=true)
 Saves the learners input of the question to the database. More...
 
 moveUploadedMediaFile ($file, $name)
 Move an uploaded media file to an public accessible temp dir to present it. More...
 
 getSuggestedSolutionPath ()
 Returns the path for a suggested solution. More...
 
 getJavaPath ()
 Returns the image path for web accessable images of a question. More...
 
 getImagePath ($question_id=null, $object_id=null)
 Returns the image path for web accessable images of a question. More...
 
 buildImagePath ($questionId, $parentObjectId)
 
 getFlashPath ()
 Returns the image path for web accessable flash files of a question. More...
 
 getJavaPathWeb ()
 Returns the web image path for web accessable java applets of a question. More...
 
 getSuggestedSolutionPathWeb ()
 Returns the web path for a suggested solution. More...
 
 getImagePathWeb ()
 Returns the web image path for web accessable images of a question. More...
 
 getFlashPathWeb ()
 Returns the web image path for web accessable flash applications of a question. More...
 
 getTestOutputSolutions ($activeId, $pass)
 
 getUserSolutionPreferingIntermediate ($active_id, $pass=null)
 
 getSolutionValues ($active_id, $pass=null, $authorized=true)
 Loads solutions of a given user from the database an returns it. More...
 
 isInUse ($question_id="")
 Checks whether the question is in use or not. More...
 
 isClone ($question_id="")
 Checks whether the question is a clone of another question or not. More...
 
 pcArrayShuffle ($array)
 Shuffles the values of a given array. More...
 
 getAdditionalTableName ()
 Returns the name of the additional question data table in the database. More...
 
 getAnswerTableName ()
 Returns the name of the answer table in the database. More...
 
 deleteAnswers ($question_id)
 Deletes datasets from answers tables. More...
 
 deleteAdditionalTableData ($question_id)
 Deletes datasets from the additional question table in the database. More...
 
 delete ($question_id)
 Deletes a question and all materials from the database. More...
 
 getTotalAnswers ()
 get total number of answers More...
 
 _getTotalAnswers ($a_q_id)
 get number of answers for question id (static) note: do not use $this inside this method More...
 
 copyXHTMLMediaObjectsOfQuestion ($a_q_id)
 
 syncXHTMLMediaObjectsOfQuestion ()
 
 createPageObject ()
 create page object of question More...
 
 copyPageOfQuestion ($a_q_id)
 
 getPageOfQuestion ()
 
 setOriginalId ($original_id)
 
 getOriginalId ()
 
 fixSvgToPng ($imageFilenameContainingString)
 
 fixUnavailableSkinImageSources ($html)
 
 loadFromDb ($question_id)
 Loads the question from the database. More...
 
 createNewQuestion ($a_create_page=true)
 Creates a new question without an owner when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...
 
 saveQuestionDataToDb ($original_id="")
 
 saveToDb ($original_id="")
 Saves the question to the database. More...
 
 setNewOriginalId ($newId)
 
 deleteSuggestedSolutions ()
 Deletes all suggestes solutions in the database. More...
 
 getSuggestedSolution ($subquestion_index=0)
 Returns a suggested solution for a given subquestion index. More...
 
 getSuggestedSolutionTitle ($subquestion_index=0)
 Returns the title of a suggested solution at a given subquestion_index. More...
 
 setSuggestedSolution ($solution_id="", $subquestion_index=0, $is_import=false)
 Sets a suggested solution for the question. More...
 
 _resolveInternalLink ($internal_link)
 
 _resolveIntLinks ($question_id)
 
 syncWithOriginal ()
 
 createRandomSolution ($test_id, $user_id)
 
 _questionExists ($question_id)
 Returns true if the question already exists in the database. More...
 
 _questionExistsInPool ($question_id)
 Returns true if the question already exists in the database and is assigned to a question pool. More...
 
 getPoints ()
 Returns the maximum available points for the question. More...
 
 setPoints ($a_points)
 Sets the maximum available points for the question. More...
 
 getSolutionMaxPass ($active_id)
 Returns the maximum pass a users question solution. More...
 
 calculateReachedPoints ($active_id, $pass=null, $authorizedSolution=true, $returndetails=false)
 Returns the points, a learner has reached answering the question. More...
 
 deductHintPointsFromReachedPoints (ilAssQuestionPreviewSession $previewSession, $reachedPoints)
 
 calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)
 
 isPreviewSolutionCorrect (ilAssQuestionPreviewSession $previewSession)
 
 adjustReachedPointsByScoringOptions ($points, $active_id, $pass=null)
 Adjust the given reached points by checks for all special scoring options in the test container. More...
 
 isHTML ($a_text)
 Checks if a given string contains HTML or not. More...
 
 prepareTextareaOutput ($txt_output, $prepare_for_latex_output=false, $omitNl2BrWhenTextArea=false)
 Prepares a string for a text area output in tests. More...
 
 QTIMaterialToString ($a_material)
 Reads an QTI material tag an creates a text string. More...
 
 addQTIMaterial (&$a_xml_writer, $a_material, $close_material_tag=true, $add_mobs=true)
 Creates a QTI material tag from a plain text or xhtml text. More...
 
 buildHashedImageFilename ($plain_image_filename, $unique=false)
 
 getQuestion ()
 Gets the question string of the question object. More...
 
 setQuestion ($question="")
 Sets the question string of the question object. More...
 
 getQuestionType ()
 Returns the question type of the question. More...
 
 getQuestionTypeID ()
 Returns the question type of the question. More...
 
 cleanupMediaObjectUsage ()
 synchronises appearances of media objects in the question with media object usage table More...
 
getInstances ()
 Gets all instances of the question. More...
 
 getActiveUserData ($active_id)
 Returns the user id and the test id for a given active id. More...
 
 setExportDetailsXLS ($worksheet, $startrow, $active_id, $pass)
 Creates an Excel worksheet for the detailed cumulated results of this question. More...
 
 __get ($value)
 Object getter. More...
 
 __set ($key, $value)
 Object setter. More...
 
 getNrOfTries ()
 
 setNrOfTries ($a_nr_of_tries)
 
 setExportImagePath ($a_path)
 
 formatSAQuestion ($a_q)
 Format self assessment question. More...
 
 setPreventRteUsage ($a_val)
 Set prevent rte usage. More...
 
 getPreventRteUsage ()
 Get prevent rte usage. More...
 
 migrateContentForLearningModule (ilAssSelfAssessmentMigrator $migrator)
 
 setSelfAssessmentEditingMode ($a_selfassessmenteditingmode)
 Set Self-Assessment Editing Mode. More...
 
 getSelfAssessmentEditingMode ()
 Get Self-Assessment Editing Mode. More...
 
 setDefaultNrOfTries ($a_defaultnroftries)
 Set Default Nr of Tries. More...
 
 getDefaultNrOfTries ()
 Get Default Nr of Tries. More...
 
 syncSkillAssignments ($srcParentId, $srcQuestionId, $trgParentId, $trgQuestionId)
 
 isAnswered ($active_id, $pass=null)
 returns boolean wether the question is answered during test pass or not More...
 
 isAutosaveable ()
 
 getAdditionalContentEditingMode ()
 getter for additional content editing mode for this question More...
 
 setAdditionalContentEditingMode ($additinalContentEditingMode)
 setter for additional content editing mode for this question More...
 
 isAdditionalContentEditingModePageObject ()
 isser for additional "pageobject" content editing mode More...
 
 isValidAdditionalContentEditingMode ($additionalContentEditingMode)
 returns the fact wether the passed additional content mode is valid or not More...
 
 getValidAdditionalContentEditingModes ()
 getter for valid additional content editing modes More...
 
 addQuestionChangeListener (ilQuestionChangeListener $listener)
 
 getQuestionChangeListeners ()
 
 getHtmlUserSolutionPurifier ()
 
 getHtmlQuestionContentPurifier ()
 
 setLastChange ($lastChange)
 
 getLastChange ()
 
 removeIntermediateSolution ($active_id, $pass)
 
 removeCurrentSolution ($active_id, $pass, $authorized=true)
 
 saveCurrentSolution ($active_id, $pass, $value1, $value2, $authorized=true, $tstamp=null)
 
 updateCurrentSolution ($solutionId, $value1, $value2, $authorized=true)
 
 updateCurrentSolutionsAuthorization ($activeId, $pass, $authorized, $keepTime=false)
 
 setStep ($step)
 
 getStep ()
 
 toJSON ()
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 
 intermediateSolutionExists ($active_id, $pass)
 
 authorizedSolutionExists ($active_id, $pass)
 
 authorizedOrIntermediateSolutionExists ($active_id, $pass)
 
 removeExistingSolutions ($activeId, $pass)
 
 resetUsersAnswer ($activeId, $pass)
 
 removeResultRecord ($activeId, $pass)
 
 fetchValuePairsFromIndexedValues (array $indexedValues)
 
 fetchIndexedValuesFromValuePairs (array $valuePairs)
 
 areObligationsToBeConsidered ()
 
 setObligationsToBeConsidered ($obligationsToBeConsidered)
 
 updateTimestamp ()
 
 getTestPresentationConfig ()
 Get the test question configuration (initialised once) More...
 
- Public Member Functions inherited from 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)
 
 reworkWorkingData ($active_id, $pass, $obligationsAnswered, $authorized)
 {Reworks the allready saved working data if neccessary.
Parameters
integer$active_id
integer$pass
boolean$obligationsAnswered
boolean$authorized
} More...
 
 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)
 
 reworkWorkingData ($active_id, $pass, $obligationsAnswered, $authorized)
 Reworks the allready saved working data if neccessary. More...
 
 savePreviewData (ilAssQuestionPreviewSession $previewSession)
 
 deletePageOfQuestion ($question_id)
 Deletes the page object of a question with a given ID. More...
 
 onDuplicate ($originalParentId, $originalQuestionId, $duplicateParentId, $duplicateQuestionId)
 Will be called when a question is duplicated (inside a question pool or for insertion in a test) More...
 
 beforeSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
 
 afterSyncWithOriginal ($origQuestionId, $dupQuestionId, $origParentObjId, $dupParentObjId)
 
 onCopy ($sourceParentId, $sourceQuestionId, $targetParentId, $targetQuestionId)
 Will be called when a question is copied (into another question pool) More...
 
 duplicateSuggestedSolutionFiles ($parent_id, $question_id)
 Duplicates the files of a suggested solution if the question is duplicated. More...
 
 syncSuggestedSolutionFiles ($original_id)
 Syncs the files of a suggested solution if the question is synced. More...
 
 copySuggestedSolutionFiles ($source_questionpool_id, $source_question_id)
 
 ensureNonNegativePoints ($points)
 
 getRTETextWithMediaObjects ()
 Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...
 
 getSelfAssessmentFormatter ()
 
 lmMigrateQuestionTypeGenericContent (ilAssSelfAssessmentMigrator $migrator)
 
 lmMigrateQuestionTypeSpecificContent (ilAssSelfAssessmentMigrator $migrator)
 
 duplicateQuestionHints ($originalQuestionId, $duplicateQuestionId)
 
 duplicateSkillAssignments ($srcParentId, $srcQuestionId, $trgParentId, $trgQuestionId)
 
 buildQuestionDataQuery ()
 
 getCurrentSolutionResultSet ($active_id, $pass, $authorized=true)
 Get a restulset for the current user solution for a this question by active_id and pass. More...
 
 removeSolutionRecordById ($solutionId)
 
 getSolutionRecordById ($solutionId)
 
 deleteDummySolutionRecord ($activeId, $passIndex)
 
 deleteSolutionRecordByValues ($activeId, $passIndex, $authorized, $matchValues)
 
 duplicateIntermediateSolutionAuthorized ($activeId, $passIndex)
 
 forceExistingIntermediateSolution ($activeId, $passIndex, $considerDummyRecordCreation)
 
 buildTestPresentationConfig ()
 build basic test question configuration instance More...
 

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_DEFAULT = 'default'
 constant for additional content editing mode "default" More...
 
const ADDITIONAL_CONTENT_EDITING_MODE_PAGE_OBJECT = 'pageobject'
 constant for additional content editing mode "pageobject" More...
 
 $feedbackOBJ = null
 
 $prevent_rte_usage = false
 
 $selfassessmenteditingmode = false
 
 $defaultnroftries = 0
 
 $questionActionCmd = 'handleQuestionAction'
 
const KEY_VALUES_IMPLOSION_SEPARATOR = ':'
 
- Data Fields inherited from iQuestionCondition
const StringResultExpression = '~TEXT~'
 
const PercentageResultExpression = '%n%'
 
const NumericResultExpression = '#n#'
 
const MatchingResultExpression = ';n:m;'
 
const OrderingResultExpression = '$n,m,o,p$'
 
const NumberOfResultExpression = '+n+'
 
const ExclusiveResultExpression = '*n,m,o,p*'
 
const EmptyAnswerExpression = "?"
 
- 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
 
 $outputType = OUTPUT_JAVASCRIPT
 
 $suggested_solutions
 
 $original_id
 
 $page
 
 $external_id = ''
 
 $questionChangeListeners = array()
 
 $processLocker
 
 $step = null
 
 $lastChange
 
 $shuffler
 
 $testQuestionConfig
 
- 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()

Reimplemented from assQuestion.

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

47 {
48 parent::__construct($title, $comment, $author, $owner, $question);
49 $this->variables = array();
50 $this->results = array();
51 $this->resultunits = array();
52 $this->unitrepository = new ilUnitConfigurationRepository(0);
53 }
Class ilUnitConfigurationRepository.

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

Member Function Documentation

◆ __get()

assFormulaQuestion::__get (   $value)

Object getter.

Reimplemented from assQuestion.

Definition at line 1302 of file class.assFormulaQuestion.php.

1303 {
1304 switch ($value) {
1305 case "resultunits":
1306 return $this->resultunits;
1307 break;
1308 default:
1309 return parent::__get($value);
1310 break;
1311 }
1312 }

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().

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◆ 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().

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◆ 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().

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◆ 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().

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◆ 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 846 of file class.assFormulaQuestion.php.

847 {
848 if (is_null($pass)) {
849 $pass = $this->getSolutionMaxPass($active_id);
850 }
851 $solutions =&$this->getSolutionValues($active_id, $pass, $authorizedSolution);
852 $user_solution = array();
853 foreach ($solutions as $idx => $solution_value) {
854 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
855 $user_solution[$matches[1]] = $solution_value["value2"];
856 $varObj = $this->getVariable($solution_value["value1"]);
857 $varObj->setValue($solution_value["value2"]);
858 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
859 if (!array_key_exists($matches[1], $user_solution)) {
860 $user_solution[$matches[1]] = array();
861 }
862 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
863 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
864 if (!array_key_exists($matches[1], $user_solution)) {
865 $user_solution[$matches[1]] = array();
866 }
867 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
868 }
869 }
870 //vd($this->getResults());
871 $points = 0;
872 foreach ($this->getResults() as $result) {
873 //vd($user_solution[$result->getResult()]["value"]);
874 $points += $result->getReachedPoints($this->getVariables(), $this->getResults(), $user_solution[$result->getResult()]["value"], $user_solution[$result->getResult()]["unit"], $this->unitrepository->getUnits());
875 }
876
877 return $points;
878 }
getSolutionValues($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().

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◆ calculateReachedPointsFromPreviewSession()

assFormulaQuestion::calculateReachedPointsFromPreviewSession ( ilAssQuestionPreviewSession  $previewSession)

Reimplemented from assQuestion.

Definition at line 880 of file class.assFormulaQuestion.php.

881 {
882 $user_solution = $previewSession->getParticipantsSolution();
883
884 $points = 0;
885 foreach ($this->getResults() as $result) {
886 $v = isset($user_solution[$result->getResult()]) ? $user_solution[$result->getResult()] : null;
887 $u = isset($user_solution[$result->getResult() . '_unit']) ? $user_solution[$result->getResult() . '_unit'] : null;
888
889 $points += $result->getReachedPoints(
890 $this->getVariables(),
891 $this->getResults(),
892 $v,
893 $u,
894 $this->unitrepository->getUnits()
895 );
896 }
897
898 $reachedPoints = $this->deductHintPointsFromReachedPoints($previewSession, $points);
899
900 return $this->ensureNonNegativePoints($reachedPoints);
901 }
deductHintPointsFromReachedPoints(ilAssQuestionPreviewSession $previewSession, $reachedPoints)
ensureNonNegativePoints($points)

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

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◆ 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 483 of file class.assFormulaQuestion.php.

484 {
485 $result_units = $this->getResultUnits($result);
486 $resultunit = $result->getUnit();
487 $similar_units = 0;
488 foreach ($result_units as $unit) {
489 if (is_object($resultunit)) {
490 if ($resultunit->getId() != $unit->getId()) {
491 if ($resultunit->getBaseUnit() && $unit->getBaseUnit()) {
492 if ($resultunit->getBaseUnit() == $unit->getBaseUnit()) {
493 return false;
494 }
495 }
496 if ($resultunit->getBaseUnit()) {
497 if ($resultunit->getBaseUnit() == $unit->getId()) {
498 return false;
499 }
500 }
501 if ($unit->getBaseUnit()) {
502 if ($unit->getBaseUnit() == $resultunit->getId()) {
503 return false;
504 }
505 }
506 }
507 }
508 }
509 return true;
510 }

References $result, and getResultUnits().

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◆ 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().

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◆ 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().

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◆ clearResults()

assFormulaQuestion::clearResults ( )

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

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

Referenced by parseQuestionText().

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◆ clearVariables()

assFormulaQuestion::clearVariables ( )

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

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

Referenced by parseQuestionText().

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◆ copyObject()

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

Copies an assFormulaQuestion object @access public.

Definition at line 762 of file class.assFormulaQuestion.php.

763 {
764 if ($this->id <= 0) {
765 // The question has not been saved. It cannot be duplicated
766 return;
767 }
768 // duplicate the question in database
769 $clone = $this;
770 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
772 $clone->id = -1;
773 $source_questionpool_id = $this->getObjId();
774 $clone->setObjId($target_questionpool_id);
775 if ($title) {
776 $clone->setTitle($title);
777 }
778 $clone->saveToDb();
779
780 $clone->unitrepository->cloneUnits($original_id, $clone->getId());
781
782 // copy question page content
783 $clone->copyPageOfQuestion($original_id);
784 // copy XHTML media objects
785 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
786
787 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
788
789 return $clone->id;
790 }
static _getOriginalId($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().

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◆ createNewOriginalFromThisDuplicate()

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

Definition at line 792 of file class.assFormulaQuestion.php.

793 {
794 if ($this->id <= 0) {
795 // The question has not been saved. It cannot be duplicated
796 return;
797 }
798
799 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
800
801 $sourceQuestionId = $this->id;
802 $sourceParentId = $this->getObjId();
803
804 // duplicate the question in database
805 $clone = $this;
806 $clone->id = -1;
807
808 $clone->setObjId($targetParentId);
809
810 if ($targetQuestionTitle) {
811 $clone->setTitle($targetQuestionTitle);
812 }
813
814 $clone->saveToDb();
815 // copy question page content
816 $clone->copyPageOfQuestion($sourceQuestionId);
817 // copy XHTML media objects
818 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
819
820 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
821
822 return $clone->id;
823 }

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

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◆ 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 1141 of file class.assFormulaQuestion.php.

1142 {
1143 global $ilDB;
1144
1145 $affectedRows = $ilDB->manipulateF(
1146 "DELETE FROM il_qpl_qst_fq_var WHERE question_fi = %s",
1147 array('integer'),
1148 array($question_id)
1149 );
1150
1151 $affectedRows = $ilDB->manipulateF(
1152 "DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
1153 array('integer'),
1154 array($question_id)
1155 );
1156
1157 $affectedRows = $ilDB->manipulateF(
1158 "DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
1159 array('integer'),
1160 array($question_id)
1161 );
1162
1163 $affectedRows = $ilDB->manipulateF(
1164 "DELETE FROM il_qpl_qst_fq_ucat WHERE question_fi = %s",
1165 array('integer'),
1166 array($question_id)
1167 );
1168
1169 $affectedRows = $ilDB->manipulateF(
1170 "DELETE FROM il_qpl_qst_fq_unit WHERE question_fi = %s",
1171 array('integer'),
1172 array($question_id)
1173 );
1174 }
global $ilDB

References $ilDB.

◆ duplicate()

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

Duplicates an assFormulaQuestion @access public.

Reimplemented from assQuestion.

Definition at line 711 of file class.assFormulaQuestion.php.

712 {
713 if ($this->id <= 0) {
714 // The question has not been saved. It cannot be duplicated
715 return;
716 }
717 // duplicate the question in database
718 $this_id = $this->getId();
719 $thisObjId = $this->getObjId();
720
721 $clone = $this;
722 include_once("./Modules/TestQuestionPool/classes/class.assQuestion.php");
724 $clone->id = -1;
725
726 if ((int) $testObjId > 0) {
727 $clone->setObjId($testObjId);
728 }
729
730 if ($title) {
731 $clone->setTitle($title);
732 }
733
734 if ($author) {
735 $clone->setAuthor($author);
736 }
737 if ($owner) {
738 $clone->setOwner($owner);
739 }
740
741 if ($for_test) {
742 $clone->saveToDb($original_id);
743 } else {
744 $clone->saveToDb();
745 }
746
747 $clone->unitrepository->cloneUnits($this_id, $clone->getId());
748
749 // copy question page content
750 $clone->copyPageOfQuestion($this_id);
751 // copy XHTML media objects
752 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
753 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
754
755 return $clone->id;
756 }
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().

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◆ 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().

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◆ 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().

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◆ 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 1122 of file class.assFormulaQuestion.php.

1123 {
1124 return "";
1125 }

◆ 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 1131 of file class.assFormulaQuestion.php.

1132 {
1133 return "";
1134 }

◆ 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 1441 of file class.assFormulaQuestion.php.

1442 {
1443 if ($index !== null) {
1444 return $this->getResult('$r' . ($index+1));
1445 } else {
1446 return $this->getResults();
1447 }
1448 }
$index
Definition: metadata.php:60

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

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◆ 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 1224 of file class.assFormulaQuestion.php.

1225 {
1226 $user_solution = array();
1227
1228 foreach ($solutions as $idx => $solution_value) {
1229 if (preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches)) {
1230 $user_solution[$matches[1]] = $solution_value["value2"];
1231 $varObj = $this->getVariable($matches[1]);
1232 $varObj->setValue($solution_value["value2"]);
1233 } elseif (preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches)) {
1234 if (!array_key_exists($matches[1], $user_solution)) {
1235 $user_solution[$matches[1]] = array();
1236 }
1237 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
1238 } elseif (preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches)) {
1239 if (!array_key_exists($matches[1], $user_solution)) {
1240 $user_solution[$matches[1]] = array();
1241 }
1242 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
1243 }
1244 }
1245 foreach ($this->getResults() as $result) {
1246 $resVal = $result->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), false);
1247
1248 if (is_object($result->getUnit())) {
1249 $user_solution[$result->getResult()]["unit"] = $result->getUnit()->getId();
1250 $user_solution[$result->getResult()]["value"] = $resVal;
1251 } elseif ($result->getUnit() == null) {
1252 $unit_factor = 1;
1253 // there is no fix result_unit, any "available unit" is accepted
1254
1255 $available_units = $result->getAvailableResultUnits(parent::getId());
1256 $result_name = $result->getResult();
1257
1258 if ($available_units[$result_name] != null) {
1259 $check_unit = in_array($user_solution[$result_name]['unit'], $available_units[$result_name]);
1260 }
1261
1262 if ($check_unit == true) {
1263 //get unit-factor
1264 $unit_factor = assFormulaQuestionUnit::lookupUnitFactor($user_solution[$result_name]['unit']);
1265 }
1266
1267 $user_solution[$result->getResult()]["value"] = round(ilMath::_div($resVal, $unit_factor), 55);
1268 }
1270 || $result->getResultType() == assFormulaQuestionResult::RESULT_FRAC) {
1272 if (is_array($value)) {
1273 $user_solution[$result->getResult()]["value"] = $value[0];
1274 $user_solution[$result->getResult()]["frac_helper"] = $value[1];
1275 } else {
1276 $user_solution[$result->getResult()]["value"] = $value;
1277 $user_solution[$result->getResult()]["frac_helper"] = null;
1278 }
1279 } elseif ($result->getPrecision() > 0) {
1280 $user_solution[$result->getResult()]["value"] = round(
1281 $user_solution[$result->getResult()]["value"],
1282 $result->getPrecision()
1283 );
1284 } else {
1285 $user_solution[$result->getResult()]["value"] = round(
1286 $user_solution[$result->getResult()]["value"]
1287 );
1288 }
1289 }
1290 return $user_solution;
1291 }
static convertDecimalToCoprimeFraction($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.

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◆ 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().

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◆ getMaximumPoints()

assFormulaQuestion::getMaximumPoints ( )

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

See also
$points

Reimplemented from assQuestion.

Definition at line 829 of file class.assFormulaQuestion.php.

830 {
831 $points = 0;
832 foreach ($this->results as $result) {
833 $points += $result->getPoints();
834 }
835 return $points;
836 }

References assQuestion\$points, and $result.

Referenced by isComplete().

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◆ getOperators()

assFormulaQuestion::getOperators (   $expression)

Get all available operations for a specific question.

Parameters
$expression

Implements iQuestionCondition.

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

1371 {
1372 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1374 }

References ilOperatorsExpressionMapping\getOperatorsByExpression().

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◆ getQuestionType()

assFormulaQuestion::getQuestionType ( )

Returns the question type of the question.

Returns
string The question type of the question

Reimplemented from assQuestion.

Definition at line 1113 of file class.assFormulaQuestion.php.

1114 {
1115 return "assFormulaQuestion";
1116 }

◆ 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().

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◆ 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().

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◆ 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 1180 of file class.assFormulaQuestion.php.

1181 {
1182 $text = parent::getRTETextWithMediaObjects();
1183 return $text;
1184 }
$text
Definition: errorreport.php:18

References $text.

◆ getSolutionSubmit()

assFormulaQuestion::getSolutionSubmit ( )
protected
Returns
array

Definition at line 1333 of file class.assFormulaQuestion.php.

1334 {
1335 $solutionSubmit = array();
1336 foreach ($_POST as $k => $v) {
1337 if (preg_match("/^result_(\\\$r\\d+)$/", $k)) {
1338 $solutionSubmit[$k] = $v;
1339 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $k)) {
1340 $solutionSubmit[$k] = $v;
1341 }
1342 }
1343 return $solutionSubmit;
1344 }
$_POST["username"]

References $_POST.

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

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◆ getUnitrepository()

assFormulaQuestion::getUnitrepository ( )
Returns
\ilUnitConfigurationRepository

Definition at line 1325 of file class.assFormulaQuestion.php.

References $unitrepository.

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

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◆ 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().

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◆ 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().

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◆ 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 516 of file class.assFormulaQuestion.php.

517 {
518 if (($this->title) and ($this->author) and ($this->question) and ($this->getMaximumPoints() > 0)) {
519 return true;
520 } else {
521 return false;
522 }
523 }
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.

References getMaximumPoints().

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◆ isValidSolutionResultValue()

assFormulaQuestion::isValidSolutionResultValue (   $submittedValue)
protected

Definition at line 903 of file class.assFormulaQuestion.php.

904 {
905 $submittedValue = str_replace(',', '.', $submittedValue);
906
907 if (is_numeric($submittedValue)) {
908 return true;
909 }
910
911 if (preg_match('/^[-+]{0,1}\d+\/\d+$/', $submittedValue)) {
912 return true;
913 }
914
915 return false;
916 }

Referenced by validateSolutionSubmit().

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◆ 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 628 of file class.assFormulaQuestion.php.

629 {
630 global $ilDB;
631
632 $result = $ilDB->queryF(
633 "SELECT qpl_questions.* FROM qpl_questions WHERE question_id = %s",
634 array('integer'),
635 array($question_id)
636 );
637 if ($result->numRows() == 1) {
638 $data = $ilDB->fetchAssoc($result);
639 $this->setId($question_id);
640 $this->setTitle($data["title"]);
641 $this->setComment($data["description"]);
642 $this->setSuggestedSolution($data["solution_hint"]);
643 $this->setPoints($data['points']);
644 $this->setOriginalId($data["original_id"]);
645 $this->setObjId($data["obj_fi"]);
646 $this->setAuthor($data["author"]);
647 $this->setOwner($data["owner"]);
648
649 try {
650 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
651 } catch (ilTestQuestionPoolException $e) {
652 }
653
654 $this->unitrepository = new ilUnitConfigurationRepository($question_id);
655
656 include_once("./Services/RTE/classes/class.ilRTE.php");
657 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
658 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
659
660 // load variables
661 $result = $ilDB->queryF(
662 "SELECT * FROM il_qpl_qst_fq_var WHERE question_fi = %s",
663 array('integer'),
664 array($question_id)
665 );
666 if ($result->numRows() > 0) {
667 while ($data = $ilDB->fetchAssoc($result)) {
668 $varObj = new assFormulaQuestionVariable($data["variable"], $data["range_min"], $data["range_max"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["varprecision"], $data["intprecision"]);
669 $varObj->setRangeMinTxt($data['range_min_txt']);
670 $varObj->setRangeMaxTxt($data['range_max_txt']);
671 $this->addVariable($varObj);
672 }
673 }
674 // load results
675 $result = $ilDB->queryF(
676 "SELECT * FROM il_qpl_qst_fq_res WHERE question_fi = %s",
677 array('integer'),
678 array($question_id)
679 );
680 if ($result->numRows() > 0) {
681 while ($data = $ilDB->fetchAssoc($result)) {
682 $resObj = new assFormulaQuestionResult($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"]);
683 $resObj->setResultType($data['result_type']);
684 $resObj->setRangeMinTxt($data['range_min_txt']);
685 $resObj->setRangeMaxTxt($data['range_max_txt']);
686 $this->addResult($resObj);
687 }
688 }
689
690 // load result units
691 $result = $ilDB->queryF(
692 "SELECT * FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
693 array('integer'),
694 array($question_id)
695 );
696 if ($result->numRows() > 0) {
697 while ($data = $ilDB->fetchAssoc($result)) {
698 $unit = $this->getUnitrepository()->getUnit($data["unit_fi"]);
699 $resObj = $this->getResult($data["result"]);
700 $this->addResultUnit($resObj, $unit);
701 }
702 }
703 }
704 parent::loadFromDb($question_id);
705 }
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.
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...

References $data, $ilDB, $result, ilRTE\_replaceMediaObjectImageSrc(), addResult(), addResultUnit(), addVariable(), getResult(), getUnitrepository(), assQuestion\setAdditionalContentEditingMode(), assQuestion\setAuthor(), assQuestion\setComment(), assQuestion\setEstimatedWorkingTime(), setId(), assQuestion\setObjId(), assQuestion\setOriginalId(), assQuestion\setOwner(), assQuestion\setPoints(), assQuestion\setQuestion(), assQuestion\setSuggestedSolution(), and assQuestion\setTitle().

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◆ 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 1016 of file class.assFormulaQuestion.php.

1017 {
1018 global $ilDB;
1019
1020 $return = array(
1021 'authorized' => false,
1022 'intermediate' => false
1023 );
1024
1025 $query = "
1026 SELECT authorized, COUNT(*) cnt
1027 FROM tst_solutions
1028 WHERE active_fi = " . $ilDB->quote($activeId, 'integer') . "
1029 AND question_fi = " . $ilDB->quote($this->getId(), 'integer') . "
1030 AND pass = " . $ilDB->quote($pass, 'integer') . "
1031 AND value1 like '\$r%'
1032 AND value2 is not null
1033 AND value2 <> ''
1034 ";
1035
1036 if ($this->getStep() !== null) {
1037 $query .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
1038 }
1039
1040 $query .= "
1041 GROUP BY authorized
1042 ";
1043
1044 $result = $ilDB->query($query);
1045
1046 while ($row = $ilDB->fetchAssoc($result)) {
1047 if ($row['authorized']) {
1048 $return['authorized'] = $row['cnt'] > 0;
1049 } else {
1050 $return['intermediate'] = $row['cnt'] > 0;
1051 }
1052 }
1053 return $return;
1054 }
$query

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

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◆ 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().

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◆ 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 1064 of file class.assFormulaQuestion.php.

1065 {
1066 global $ilDB;
1067
1068 $query = "
1069 DELETE FROM tst_solutions
1070 WHERE active_fi = " . $ilDB->quote($activeId, 'integer') . "
1071 AND question_fi = " . $ilDB->quote($this->getId(), 'integer') . "
1072 AND pass = " . $ilDB->quote($pass, 'integer') . "
1073 AND value1 like '\$r%'
1074 ";
1075
1076 if ($this->getStep() !== null) {
1077 $query .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
1078 }
1079
1080 return $ilDB->manipulate($query);
1081 }

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

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◆ reworkWorkingData()

assFormulaQuestion::reworkWorkingData (   $active_id,
  $pass,
  $obligationsAnswered,
  $authorized 
)
protected

{Reworks the allready saved working data if neccessary.

Parameters
integer$active_id
integer$pass
boolean$obligationsAnswered
boolean$authorized
}

Reimplemented from assQuestion.

Definition at line 1104 of file class.assFormulaQuestion.php.

1105 {
1106 // nothing to rework!
1107 }

◆ savePreviewData()

assFormulaQuestion::savePreviewData ( ilAssQuestionPreviewSession  $previewSession)
protected

Reimplemented from assQuestion.

Definition at line 1084 of file class.assFormulaQuestion.php.

1085 {
1086 $userSolution = $previewSession->getParticipantsSolution();
1087
1088 foreach ($this->getSolutionSubmit() as $key => $val) {
1089 $matches = null;
1090
1091 if (preg_match("/^result_(\\\$r\\d+)$/", $key, $matches)) {
1092 $userSolution[$matches[1]] = $val;
1093 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches)) {
1094 $userSolution[$matches[1] . "_unit"] = $val;
1095 }
1096 }
1097
1098 $previewSession->setParticipantsSolution($userSolution);
1099 }
$key
Definition: croninfo.php:18

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

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◆ saveToDb()

assFormulaQuestion::saveToDb (   $original_id = "")

Saves a assFormulaQuestion object to a database @access public.

Reimplemented from assQuestion.

Definition at line 529 of file class.assFormulaQuestion.php.

530 {
531 global $ilDB;
532
534 // save variables
535 $affectedRows = $ilDB->manipulateF(
536 "
537 DELETE FROM il_qpl_qst_fq_var
538 WHERE question_fi = %s",
539 array("integer"),
540 array($this->getId())
541 );
542
543 foreach ($this->variables as $variable) {
544 $next_id = $ilDB->nextId('il_qpl_qst_fq_var');
545 $ilDB->insert(
546 'il_qpl_qst_fq_var',
547 array(
548 'variable_id' => array('integer', $next_id),
549 'question_fi' => array('integer', $this->getId()),
550 'variable' => array('text', $variable->getVariable()),
551 'range_min' => array('float', ((strlen($variable->getRangeMin())) ? $variable->getRangeMin() : 0.0)),
552 'range_max' => array('float', ((strlen($variable->getRangeMax())) ? $variable->getRangeMax() : 0.0)),
553 'unit_fi' => array('integer', (is_object($variable->getUnit()) ? (int) $variable->getUnit()->getId() : 0)),
554 'varprecision' => array('integer', (int) $variable->getPrecision()),
555 'intprecision' => array('integer', (int) $variable->getIntprecision()),
556 'range_min_txt' => array('text', $variable->getRangeMinTxt()),
557 'range_max_txt' => array('text', $variable->getRangeMaxTxt())
558 )
559 );
560 }
561 // save results
562 $affectedRows = $ilDB->manipulateF(
563 "DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
564 array("integer"),
565 array($this->getId())
566 );
567
568 foreach ($this->results as $result) {
569 $next_id = $ilDB->nextId('il_qpl_qst_fq_res');
570 if (is_object($result->getUnit())) {
571 $tmp_result_unit = $result->getUnit()->getId();
572 } else {
573 $tmp_result_unit = null;
574 }
575
576 $formula = str_replace(",", ".", $result->getFormula());
577
578 $ilDB->insert("il_qpl_qst_fq_res", array(
579 "result_id" => array("integer", $next_id),
580 "question_fi" => array("integer", $this->getId()),
581 "result" => array("text", $result->getResult()),
582 "range_min" => array("float", ((strlen($result->getRangeMin())) ? $result->getRangeMin() : 0)),
583 "range_max" => array("float", ((strlen($result->getRangeMax())) ? $result->getRangeMax() : 0)),
584 "tolerance" => array("float", ((strlen($result->getTolerance())) ? $result->getTolerance() : 0)),
585 "unit_fi" => array("integer", (int) $tmp_result_unit),
586 "formula" => array("clob", $formula),
587 "resprecision" => array("integer", $result->getPrecision()),
588 "rating_simple" => array("integer", ($result->getRatingSimple()) ? 1 : 0),
589 "rating_sign" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingSign()),
590 "rating_value" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingValue()),
591 "rating_unit" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingUnit()),
592 "points" => array("float", $result->getPoints()),
593 "result_type" => array('integer', (int) $result->getResultType()),
594 "range_min_txt" => array("text", $result->getRangeMinTxt()),
595 "range_max_txt" => array("text", $result->getRangeMaxTxt())
596
597 ));
598 }
599 // save result units
600 $affectedRows = $ilDB->manipulateF(
601 "DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
602 array("integer"),
603 array($this->getId())
604 );
605 foreach ($this->results as $result) {
606 foreach ($this->getResultUnits($result) as $unit) {
607 $next_id = $ilDB->nextId('il_qpl_qst_fq_res_unit');
608 $affectedRows = $ilDB->manipulateF(
609 "INSERT INTO il_qpl_qst_fq_res_unit (result_unit_id, question_fi, result, unit_fi) VALUES (%s, %s, %s, %s)",
610 array('integer', 'integer', 'text', 'integer'),
611 array(
612 $next_id,
613 $this->getId(),
614 $result->getResult(),
615 $unit->getId()
616 )
617 );
618 }
619 }
620
621 parent::saveToDb();
622 }
saveQuestionDataToDb($original_id="")

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

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◆ 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 925 of file class.assFormulaQuestion.php.

926 {
927 global $ilDB;
928
929 if (is_null($pass)) {
930 include_once "./Modules/Test/classes/class.ilObjTest.php";
931 $pass = ilObjTest::_getPass($active_id);
932 }
933
934 $entered_values = false;
935
936 $this->getProcessLocker()->executeUserSolutionUpdateLockOperation(function () use (&$entered_values, $ilDB, $active_id, $pass, $authorized) {
937 $solutionSubmit = $this->getSolutionSubmit();
938 foreach ($solutionSubmit as $key => $value) {
939 $matches = null;
940 if (preg_match("/^result_(\\\$r\\d+)$/", $key, $matches)) {
941 if (strlen($value)) {
942 $entered_values = true;
943 }
944
945 $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', $matches[1]);
946
947 if ($this->getStep() !== null) {
948 $queryResult .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
949 }
950
951 $result = $ilDB->queryF(
952 $queryResult,
953 array('integer', 'integer', 'integer', 'integer'),
954 array($active_id, $pass, $this->getId(), (int) $authorized)
955 );
956 if ($result->numRows()) {
957 while ($row = $ilDB->fetchAssoc($result)) {
958 $ilDB->manipulateF(
959 "DELETE FROM tst_solutions WHERE solution_id = %s AND authorized = %s",
960 array('integer', 'integer'),
961 array($row['solution_id'], (int) $authorized)
962 );
963 }
964 }
965
966 $this->saveCurrentSolution($active_id, $pass, $matches[1], str_replace(",", ".", $value), $authorized);
967 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches)) {
968 $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', $matches[1] . "_unit");
969
970 if ($this->getStep() !== null) {
971 $queryResultUnit .= " AND step = " . $ilDB->quote((int) $this->getStep(), 'integer') . " ";
972 }
973
974 $result = $ilDB->queryF(
975 $queryResultUnit,
976 array('integer', 'integer', 'integer', 'integer'),
977 array($active_id, $pass, $this->getId(), (int) $authorized)
978 );
979 if ($result->numRows()) {
980 while ($row = $ilDB->fetchAssoc($result)) {
981 $ilDB->manipulateF(
982 "DELETE FROM tst_solutions WHERE solution_id = %s AND authorized = %s",
983 array('integer', 'integer'),
984 array($row['solution_id'], (int) $authorized)
985 );
986 }
987 }
988
989 $this->saveCurrentSolution($active_id, $pass, $matches[1] . "_unit", $value, $authorized);
990 }
991 }
992 });
993
994 if ($entered_values) {
995 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
997 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
998 }
999 } else {
1000 include_once("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1002 assQuestion::logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1003 }
1004 }
1005
1006 return true;
1007 }
saveCurrentSolution($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 $ilDB, $key, $pass, $result, $row, ilObjAssessmentFolder\_enabledAssessmentLogging(), ilObjAssessmentFolder\_getLogLanguage(), ilObjTest\_getPass(), assQuestion\getId(), assQuestion\getProcessLocker(), getSolutionSubmit(), assQuestion\getStep(), assQuestion\logAction(), and assQuestion\saveCurrentSolution().

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◆ 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 1189 of file class.assFormulaQuestion.php.

1190 {
1191 parent::setExportDetailsXLS($worksheet, $startrow, $active_id, $pass);
1192
1193 $solution = $this->getSolutionValues($active_id, $pass);
1194
1195 $i = 1;
1196 foreach ($solution as $solutionvalue) {
1197 $worksheet->setCell($startrow + $i, 0, $solutionvalue["value1"]);
1198 $worksheet->setBold($worksheet->getColumnCoord(0) . ($startrow + $i));
1199 if (strpos($solutionvalue["value1"], "_unit")) {
1200 $unit = $this->getUnitrepository()->getUnit($solutionvalue["value2"]);
1201 if (is_object($unit)) {
1202 $worksheet->setCell($startrow + $i, 1, $unit->getUnit());
1203 }
1204 } else {
1205 $worksheet->setCell($startrow + $i, 1, $solutionvalue["value2"]);
1206 }
1207 if (preg_match("/(\\\$v\\d+)/", $solutionvalue["value1"], $matches)) {
1208 $var = $this->getVariable($solutionvalue["value1"]);
1209 if (is_object($var) && (is_object($var->getUnit()))) {
1210 $worksheet->setCell($startrow + $i, 2, $var->getUnit()->getUnit());
1211 }
1212 }
1213 $i++;
1214 }
1215
1216 return $startrow + $i + 1;
1217 }
$worksheet
$i
Definition: disco.tpl.php:19

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

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◆ 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 1293 of file class.assFormulaQuestion.php.

1294 {
1295 parent::setId($id);
1296 $this->unitrepository->setConsumerId($this->getId());
1297 }

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

Referenced by loadFromDb().

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◆ setUnitrepository()

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

Definition at line 1317 of file class.assFormulaQuestion.php.

1318 {
1319 $this->unitrepository = $unitrepository;
1320 }

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 if (preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches)) {
284 foreach ($rmatches[1] as $result) {
285 $resObj = $this->getResult($result);
286 $value = "";
287 $frac_helper = '';
288 $user_data[$result]['result_type'] = $resObj->getResultType();
289
290 if (
291 $resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC ||
292 $resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
293 ) {
294 $is_frac = true;
295 }
296 if (is_array($userdata)) {
297 if (is_array($userdata[$result])) {
298 if (false && $forsolution && $result_output) { // fix for mantis #25956
299 $value_org = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
300 $value = sprintf("%." . $resObj->getPrecision() . "f", $value_org);
301 if ($is_frac) {
303 if (is_array($value)) {
304 $frac_helper = $value[1];
305 $value = $value[0];
306 }
307 }
308 } else {
309 if ($forsolution) {
310 $value = $userdata[$result]["value"];
311 } else {
312 $value = ' value="' . $userdata[$result]["value"] . '"';
313 }
314 }
315 }
316 } else {
317 if ($forsolution) {
318 $value = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
319 $value = sprintf("%." . $resObj->getPrecision() . "f", $value);
320
321 if ($is_frac) {
323 if (is_array($value)) {
324 $frac_helper = $value[1];
325 $value = $value[0];
326 }
327 $value = ' value="' . $value . '"';
328 }
329 } else {
330 // Precision fix for Preview by tjoussen
331 // If all default values are set, this function is called in getPreview
332 $use_precision = !($userdata == null && $graphicalOutput == false && $forsolution == false && $result_output == false);
333
334 $val = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), $use_precision);
335
336 if ($resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC
337 ||$resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC) {
338 $val = $resObj->convertDecimalToCoprimeFraction($val);
339 if (is_array($val)) {
340 $frac_helper = $val[1];
341 $val = $val[0];
342 }
343 } else {
344 $val = sprintf("%." . $resObj->getPrecision() . "f", $val);
345 $val = (strlen($val) > 8) ? strtoupper(sprintf("%e", $val)) : $val;
346 }
347 $value = ' value="' . $val . '"';
348 }
349 }
350
351 if ($forsolution) {
352 $input = '<span class="ilc_qinput_TextInput solutionbox">' . ilUtil::prepareFormOutput($value) . '</span>';
353 } else {
354 $input = '<input class="ilc_qinput_TextInput" type="text" spellcheck="false" autocomplete="off" autocorrect="off" autocapitalize="off" name="result_' . $result . '"' . $value . ' />';
355 }
356
357 $units = "";
358 if (count($this->getResultUnits($resObj)) > 0) {
359 if ($forsolution) {
360 if (is_array($userdata)) {
361 foreach ($this->getResultUnits($resObj) as $unit) {
362 if ($userdata[$result]["unit"] == $unit->getId()) {
363 $units = $unit->getUnit();
364 }
365 }
366 } else {
367 if ($resObj->getUnit()) {
368 $units = $resObj->getUnit()->getUnit();
369 }
370 }
371 } else {
372 $units = '<select name="result_' . $result . '_unit">';
373 $units .= '<option value="-1">' . $this->lng->txt("select_unit") . '</option>';
374 foreach ($this->getResultUnits($resObj) as $unit) {
375 $units .= '<option value="' . $unit->getId() . '"';
376 if ((is_array($userdata[$result])) && (strlen($userdata[$result]["unit"]))) {
377 if ($userdata[$result]["unit"] == $unit->getId()) {
378 $units .= ' selected="selected"';
379 }
380 }
381 $units .= '>' . $unit->getUnit() . '</option>';
382 }
383 $units .= '</select>';
384 }
385 } else {
386 $units = "";
387 }
388 switch ($resObj->getResultType()) {
390 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_dec');
391 break;
393 if (strlen($frac_helper)) {
394 $units .= ' &asymp; ' . $frac_helper . ', ';
395 } elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"])) {
396 if (!preg_match('-/-', $value)) {
397 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
398 }
399 }
400 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_frac');
401 break;
403 if (strlen($frac_helper)) {
404 $units .= ' &asymp; ' . $frac_helper . ', ';
405 } elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"])) {
406 if (!preg_match('-/-', $value)) {
407 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
408 }
409 }
410 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_co_frac');
411 break;
413 break;
414 }
415 $checkSign = "";
416 if ($graphicalOutput) {
417 $resunit = null;
418 $user_value = '';
419 if (is_array($userdata) && is_array($userdata[$result])) {
420 if ($userdata[$result]["unit"] > 0) {
421 $resunit = $this->getUnitrepository()->getUnit($userdata[$result]["unit"]);
422 }
423
424 if (isset($userdata[$result]["value"])) {
425 $user_value = $userdata[$result]["value"];
426 }
427 }
428
429 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_image.html", true, true, 'Modules/TestQuestionPool');
430
431 if ($resObj->isCorrect($this->getVariables(), $this->getResults(), $user_value, $resunit)) {
432 $template->setCurrentBlock("icon_ok");
433 $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
434 $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
435 $template->parseCurrentBlock();
436 } else {
437 $template->setCurrentBlock("icon_not_ok");
438 $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
439 $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
440 $template->parseCurrentBlock();
441 }
442 $checkSign = $template->get();
443 }
444 $resultOutput = "";
445 if ($result_output) {
446 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_result.html", true, true, 'Modules/TestQuestionPool');
447
448 if (is_array($userdata)) {
449 $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $userdata[$resObj->getResult()]["value"], $userdata[$resObj->getResult()]["unit"], $this->getUnitrepository()->getUnits());
450 } else {
451 $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());
452 }
453 $resulttext = "(";
454 if ($resObj->getRatingSimple()) {
455 if ($frac_helper) {
456 $resulttext .="n/a";
457 } else {
458 $resulttext .= $found['points'] . " " . (($found['points'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
459 }
460 } else {
461 $resulttext .= $this->lng->txt("rated_sign") . " " . (($found['sign']) ? $found['sign'] : 0) . " " . (($found['sign'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
462 $resulttext .= $this->lng->txt("rated_value") . " " . (($found['value']) ? $found['value'] : 0) . " " . (($found['value'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
463 $resulttext .= $this->lng->txt("rated_unit") . " " . (($found['unit']) ? $found['unit'] : 0) . " " . (($found['unit'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
464 }
465
466 $resulttext .= ")";
467 $template->setVariable("RESULT_OUTPUT", $resulttext);
468
469 $resultOutput = $template->get();
470 }
471 $text = preg_replace("/\\\$" . substr($result, 1) . "(?![0-9]+)/", $input . " " . $units . " " . $checkSign . " " . $resultOutput . " " . "\\1", $text);
472 }
473 }
474 return $text;
475 }
sprintf('%.4f', $callTime)
special template class to simplify handling of ITX/PEAR
static getImagePath($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
$template
$userdata
Definition: demo.php:48

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

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◆ validateSolutionSubmit()

assFormulaQuestion::validateSolutionSubmit ( )

Reimplemented from assQuestion.

Definition at line 1346 of file class.assFormulaQuestion.php.

1347 {
1348 foreach ($this->getSolutionSubmit() as $key => $value) {
1349 if (preg_match("/^result_(\\\$r\\d+)$/", $key)) {
1350 if (strlen($value) && !$this->isValidSolutionResultValue($value)) {
1351 ilUtil::sendFailure($this->lng->txt("err_no_numeric_value"), true);
1352 return false;
1353 }
1354 } elseif (preg_match("/^result_(\\\$r\\d+)_unit$/", $key)) {
1355 continue;
1356 }
1357 }
1358
1359 return true;
1360 }
isValidSolutionResultValue($submittedValue)
static sendFailure($a_info="", $a_keep=false)
Send Failure Message to Screen.

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

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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: