ILIAS  release_5-0 Revision 5.0.0-1144-gc4397b1f870
Public Member Functions | Protected Member Functions | Private Attributes
assFormulaQuestion Class Reference
Modules/TestQuestionPool

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 ()
 
 substituteVariables ($userdata=null, $graphicalOutput=FALSE, $forsolution=FALSE, $result_output=FALSE, ilAssQuestionPreviewSession $previewSession=null)
 
 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, $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)
 Saves the learners input of the question to the database. More...
 
 getQuestionType ()
 Returns the question type of the question. More...
 
 getAdditionalTableName ()
 Returns the name of the additional question data table in the database. More...
 
 getAnswerTableName ()
 Returns the name of the answer table in the database. More...
 
 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, $pass, &$format_title, &$format_bold)
 Creates an Excel worksheet for the detailed cumulated results of this question. 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 ()
 
 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...
 
 setProcessLocker ($processLocker)
 
 getProcessLocker ()
 
 fromXML (&$item, &$questionpool_id, &$tst_id, &$tst_object, &$question_counter, &$import_mapping)
 Receives parameters from a QTI parser and creates a valid ILIAS question object. More...
 
 toXML ($a_include_header=true, $a_include_binary=true, $a_shuffle=false, $test_output=false, $force_image_references=false)
 Returns a QTI xml representation of the question. More...
 
 isComplete ()
 Returns true, if a question is complete for use. More...
 
 questionTitleExists ($questionpool_id, $title)
 Returns TRUE if the question title exists in the database. More...
 
 setTitle ($title="")
 Sets the title string of the assQuestion object. More...
 
 setId ($id=-1)
 Sets the id of the assQuestion object. More...
 
 setTestId ($id=-1)
 Sets the test id of the assQuestion object. More...
 
 setComment ($comment="")
 Sets the comment string of the assQuestion object. More...
 
 setOutputType ($outputType=OUTPUT_HTML)
 Sets the output type. More...
 
 setShuffle ($shuffle=true)
 Sets the shuffle flag. More...
 
 setEstimatedWorkingTime ($hour=0, $min=0, $sec=0)
 Sets the estimated working time of a question from given hour, minute and second. More...
 
 setEstimatedWorkingTimeFromDurationString ($durationString)
 Sets the estimated working time of a question from a given datetime string. More...
 
 keyInArray ($searchkey, $array)
 returns TRUE if the key occurs in an array More...
 
 setAuthor ($author="")
 Sets the authors name of the assQuestion object. More...
 
 setOwner ($owner="")
 Sets the creator/owner ID of the assQuestion object. More...
 
 getTitle ()
 Gets the title string of the assQuestion object. More...
 
 getId ()
 Gets the id of the assQuestion object. More...
 
 getShuffle ()
 Gets the shuffle flag. More...
 
 getTestId ()
 Gets the test id of the assQuestion object. More...
 
 getComment ()
 Gets the comment string of the assQuestion object. More...
 
 getOutputType ()
 Gets the output type. More...
 
 supportsJavascriptOutput ()
 Returns true if the question type supports JavaScript output. More...
 
 supportsNonJsOutput ()
 
 requiresJsSwitch ()
 
 getEstimatedWorkingTime ()
 Gets the estimated working time of a question. More...
 
 getAuthor ()
 Gets the authors name of the assQuestion object. More...
 
 getOwner ()
 Gets the creator/owner ID of the assQuestion object. More...
 
 getObjId ()
 Get the object id of the container object. More...
 
 setObjId ($obj_id=0)
 Set the object id of the container object. More...
 
 setExternalId ($external_id)
 
 getExternalId ()
 
 _getMaximumPoints ($question_id)
 Returns the maximum points, a learner can reach answering the question. More...
 
& _getQuestionInfo ($question_id)
 Returns question information from the database. More...
 
 getSuggestedSolutionOutput ()
 
& _getSuggestedSolution ($question_id, $subquestion_index=0)
 Returns a suggested solution for a given subquestion index. More...
 
 getSuggestedSolutions ()
 Return the suggested solutions. More...
 
 _getReachedPoints ($active_id, $question_id, $pass=NULL)
 Returns the points, a learner has reached answering the question. More...
 
 getReachedPoints ($active_id, $pass=NULL)
 Returns the points, a learner has reached answering the question This is the fast way to get the points directly from the database. More...
 
 getMaximumPoints ()
 Returns the maximum points, a learner can reach answering the question. More...
 
 getAdjustedReachedPoints ($active_id, $pass=NULL)
 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)
 persists the working state for current testactive and testpass More...
 
 persistPreviewState (ilAssQuestionPreviewSession $previewSession)
 persists the preview state for current user and question More...
 
 saveWorkingData ($active_id, $pass=NULL)
 Saves the learners input of the question to the database. More...
 
 _updateTestResultCache ($active_id, ilAssQuestionProcessLocker $processLocker=null)
 @TODO Move this to a proper place. More...
 
 logAction ($logtext="", $active_id="", $question_id="")
 Logs an action into the Test&Assessment log. More...
 
 _logAction ($logtext="", $active_id="", $question_id="")
 Logs an action into the Test&Assessment log. More...
 
 moveUploadedMediaFile ($file, $name)
 Move an uploaded media file to an public accessible temp dir to present it. More...
 
 getSuggestedSolutionPath ()
 Returns the path for a suggested solution. More...
 
 getJavaPath ()
 Returns the image path for web accessable images of a question. More...
 
 getImagePath ($question_id=null, $object_id=null)
 Returns the image path for web accessable images of a question. More...
 
 buildImagePath ($questionId, $parentObjectId)
 
 getFlashPath ()
 Returns the image path for web accessable flash files of a question. More...
 
 getJavaPathWeb ()
 Returns the web image path for web accessable java applets of a question. More...
 
 getSuggestedSolutionPathWeb ()
 Returns the web path for a suggested solution. More...
 
 getImagePathWeb ()
 Returns the web image path for web accessable images of a question. More...
 
 getFlashPathWeb ()
 Returns the web image path for web accessable flash applications of a question. More...
 
& getSolutionValues ($active_id, $pass=NULL)
 Loads solutions of a given user from the database an returns it. More...
 
 isInUse ($question_id="")
 Checks whether the question is in use or not. More...
 
 isClone ($question_id="")
 Checks whether the question is a clone of another question or not. More...
 
 pcArrayShuffle ($array)
 Shuffles the values of a given array. More...
 
 getQuestionTypeFromDb ($question_id)
 get question type for question id More...
 
 getAdditionalTableName ()
 Returns the name of the additional question data table in the database. More...
 
 getAnswerTableName ()
 Returns the name of the answer table in the database. More...
 
 deleteAnswers ($question_id)
 Deletes datasets from answers tables. More...
 
 deleteAdditionalTableData ($question_id)
 Deletes datasets from the additional question table in the database. More...
 
 delete ($question_id)
 Deletes a question and all materials from the database. More...
 
 getTotalAnswers ()
 get total number of answers More...
 
 _getTotalAnswers ($a_q_id)
 get number of answers for question id (static) note: do not use $this inside this method More...
 
 _getTitle ($a_q_id)
 Returns the title of a question. More...
 
 _getQuestionText ($a_q_id)
 Returns question text. More...
 
 copyXHTMLMediaObjectsOfQuestion ($a_q_id)
 
 syncXHTMLMediaObjectsOfQuestion ()
 
 createPageObject ()
 create page object of question More...
 
 copyPageOfQuestion ($a_q_id)
 
 getPageOfQuestion ()
 
 _getQuestionType ($question_id)
 Returns the question type of a question with a given id. More...
 
 _getQuestionTitle ($question_id)
 Returns the question title of a question with a given id. More...
 
 setOriginalId ($original_id)
 
 getOriginalId ()
 
 fixSvgToPng ($imageFilenameContainingString)
 
 fixUnavailableSkinImageSources ($html)
 
 loadFromDb ($question_id)
 Loads the question from the database. More...
 
 createNewQuestion ($a_create_page=true)
 Creates a new question without an owner when a new question is created This assures that an ID is given to the question if a file upload or something else occurs. More...
 
 saveQuestionDataToDb ($original_id="")
 
 saveToDb ($original_id="")
 Saves the question to the database. More...
 
 setNewOriginalId ($newId)
 
 deleteSuggestedSolutions ()
 Deletes all suggestes solutions in the database. More...
 
 getSuggestedSolution ($subquestion_index=0)
 Returns a suggested solution for a given subquestion index. More...
 
 getSuggestedSolutionTitle ($subquestion_index=0)
 Returns the title of a suggested solution at a given subquestion_index. More...
 
 setSuggestedSolution ($solution_id="", $subquestion_index=0, $is_import=false)
 Sets a suggested solution for the question. More...
 
 _resolveInternalLink ($internal_link)
 
 _resolveIntLinks ($question_id)
 
 _getInternalLinkHref ($target="")
 
 syncWithOriginal ()
 
 createRandomSolution ($test_id, $user_id)
 
 _questionExists ($question_id)
 Returns true if the question already exists in the database. More...
 
 _questionExistsInPool ($question_id)
 Returns true if the question already exists in the database and is assigned to a question pool. More...
 
 getPoints ()
 Returns the maximum available points for the question. More...
 
 setPoints ($a_points)
 Sets the maximum available points for the question. More...
 
 getSolutionMaxPass ($active_id)
 Returns the maximum pass a users question solution. More...
 
 _getSolutionMaxPass ($question_id, $active_id)
 Returns the maximum pass a users question solution. More...
 
 _isWriteable ($question_id, $user_id)
 Returns true if the question is writeable by a certain user. More...
 
 _isUsedInRandomTest ($question_id="")
 Checks whether the question is used in a random test or not. More...
 
 calculateReachedPoints ($active_id, $pass=NULL, $returndetails=FALSE)
 Returns the points, a learner has reached answering the question. More...
 
 calculateReachedPointsFromPreviewSession (ilAssQuestionPreviewSession $previewSession)
 
 isPreviewSolutionCorrect (ilAssQuestionPreviewSession $previewSession)
 
 adjustReachedPointsByScoringOptions ($points, $active_id, $pass=NULL)
 Adjust the given reached points by checks for all special scoring options in the test container. More...
 
 isHTML ($a_text)
 Checks if a given string contains HTML or not. More...
 
 prepareTextareaOutput ($txt_output, $prepare_for_latex_output=FALSE)
 Prepares a string for a text area output in tests. More...
 
 QTIMaterialToString ($a_material)
 Reads an QTI material tag an creates a text string. More...
 
 addQTIMaterial (&$a_xml_writer, $a_material, $close_material_tag=TRUE, $add_mobs=TRUE)
 Creates a QTI material tag from a plain text or xhtml text. More...
 
 createNewImageFileName ($image_filename, $unique=false)
 
 _setReachedPoints ($active_id, $question_id, $points, $maxpoints, $pass, $manualscoring, $obligationsEnabled)
 Sets the points, a learner has reached answering the question Additionally objective results are updated. More...
 
 getQuestion ()
 Gets the question string of the question object. More...
 
 setQuestion ($question="")
 Sets the question string of the question object. More...
 
 getQuestionType ()
 Returns the question type of the question. More...
 
 getQuestionTypeID ()
 Returns the question type of the question. More...
 
 cleanupMediaObjectUsage ()
 synchronises appearances of media objects in the question with media object usage table More...
 
& getInstances ()
 Gets all instances of the question. More...
 
 _needsManualScoring ($question_id)
 
 getActiveUserData ($active_id)
 Returns the user id and the test id for a given active id. More...
 
 setExportDetailsXLS (&$worksheet, $startrow, $active_id, $pass, &$format_title, &$format_bold)
 Creates an Excel worksheet for the detailed cumulated results of this question. More...
 
 __get ($value)
 Object getter. More...
 
 __set ($key, $value)
 Object setter. More...
 
 getNrOfTries ()
 
 setNrOfTries ($a_nr_of_tries)
 
 setExportImagePath ($a_path)
 
 _questionExistsInTest ($question_id, $test_id)
 
 formatSAQuestion ($a_q)
 Format self assessment question. More...
 
 setPreventRteUsage ($a_val)
 Set prevent rte usage. More...
 
 getPreventRteUsage ()
 Get prevent rte usage. More...
 
 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...
 
 isAnswered ($active_id, $pass=null)
 returns boolean wether the question is answered during test pass or not More...
 
 setObligationsToBeConsidered ($obligationsToBeConsidered=true)
 sets the flag wether obligations are to be considered or not More...
 
 areObligationsToBeConsidered ()
 gets the flag wether obligations are to be considered 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 ()
 
 setStep ($step)
 
 getStep ()
 
 toJSON ()
 
 duplicate ($for_test=true, $title="", $author="", $owner="", $testObjId=null)
 
- 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

 savePreviewData (ilAssQuestionPreviewSession $previewSession)
 
 reworkWorkingData ($active_id, $pass, $obligationsAnswered)
 Reworks the allready saved working data if neccessary. More...
 
 getSolutionSubmit ()
 
- Protected Member Functions inherited from assQuestion
 reworkWorkingData ($active_id, $pass, $obligationsAnswered)
 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)
 
 getRTETextWithMediaObjects ()
 Collects all text in the question which could contain media objects which were created with the Rich Text Editor. More...
 
 duplicateQuestionHints ($originalQuestionId, $duplicateQuestionId)
 
 buildQuestionDataQuery ()
 
 getSelfAssessmentFormatter ()
 

Private Attributes

 $variables
 
 $results
 
 $resultunits
 
 $unitrepository
 

Additional Inherited Members

- Static Public Member Functions inherited from assQuestion
static isAllowedImageMimeType ($mimeType)
 
static fetchMimeTypeIdentifier ($contentTypeString)
 
static getAllowedFileExtensionsForMimeType ($mimeType)
 
static isAllowedImageFileExtension ($mimeType, $fileExtension)
 
static getAllowedImageFileExtensions ()
 
static _getSuggestedSolutionCount ($question_id)
 Returns the number of suggested solutions associated with a question. More...
 
static _getSuggestedSolutionOutput ($question_id)
 Returns the output of the suggested solution. More...
 
static _getTotalRightAnswers ($a_q_id)
 get number of answers for question id (static) note: do not use $this inside this method More...
 
static isFileAvailable ($file)
 
static _getOriginalId ($question_id)
 Returns the original id of a question. More...
 
static originalQuestionExists ($questionId)
 
static _instanciateQuestion ($question_id)
 Creates an instance of a question with a given question id. More...
 
static _instantiateQuestion ($question_id)
 
static _isWorkedThrough ($active_id, $question_id, $pass=NULL)
 Returns true if the question was worked through in the given pass Worked through means that the user entered at least one value. More...
 
static _areAnswered ($a_user_id, $a_question_ids)
 Checks if an array of question ids is answered by an user or not. More...
 
static _includeClass ($question_type, $gui=0)
 Include the php class file for a given question type. More...
 
static getGuiClassNameByQuestionType ($questionType)
 
static getObjectClassNameByQuestionType ($questionType)
 
static getFeedbackClassNameByQuestionType ($questionType)
 
static isCoreQuestionType ($questionType)
 
static includeCoreClass ($questionType, $withGuiClass)
 
static includePluginClass ($questionType, $withGuiClass)
 
static _getQuestionTypeName ($type_tag)
 Return the translation for a given question type tag. More...
 
static & _instanciateQuestionGUI ($question_id)
 Creates an instance of a question gui with a given question id. More...
 
static instantiateQuestionGUI ($a_question_id)
 Creates an instance of a question gui with a given question id. More...
 
static lookupParentObjId ($questionId)
 @global ilDB $ilDB More...
 
static lookupOriginalParentObjId ($originalQuestionId)
 returns the parent object id for given original question id (should be a qpl id, but theoretically it can be a tst id, too) More...
 
static isObligationPossible ($questionId)
 returns boolean wether it is possible to set this question type as obligatory or not considering the current question configuration More...
 
static setResultGateway ($resultGateway)
 
static getResultGateway ()
 
static sumTimesInISO8601FormatH_i_s_Extended ($time1, $time2)
 
static convertISO8601FormatH_i_s_ExtendedToSeconds ($time)
 
- Data Fields inherited from assQuestion
const IMG_MIME_TYPE_JPG = 'image/jpeg'
 
const IMG_MIME_TYPE_PNG = 'image/png'
 
const IMG_MIME_TYPE_GIF = 'image/gif'
 
const ADDITIONAL_CONTENT_EDITING_MODE_DEFAULT = 'default'
 constant for additional content editing mode "default" More...
 
const ADDITIONAL_CONTENT_EDITING_MODE_PAGE_OBJECT = 'pageobject'
 constant for additional content editing mode "pageobject" More...
 
 $feedbackOBJ = null
 
 $prevent_rte_usage = false
 
 $selfassessmenteditingmode = false
 
 $defaultnroftries = 0
 
 $questionActionCmd = 'handleQuestionAction'
 
- Data Fields inherited from iQuestionCondition
const StringResultExpression = '~TEXT~'
 
const PercentageResultExpression = '%n%'
 
const NumericResultExpression = '#n#'
 
const MatchingResultExpression = ';n:m;'
 
const OrderingResultExpression = '$n,m,o,p$'
 
const NumberOfResultExpression = '+n+'
 
const ExclusiveResultExpression = '*n,m,o,p*'
 
const EmptyAnswerExpression = "?"
 
- 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...
 
- Protected Attributes inherited from assQuestion
 $id
 
 $title
 
 $comment
 
 $owner
 
 $author
 
 $question
 
 $points
 
 $est_working_time
 
 $shuffle
 
 $test_id
 
 $obj_id
 
 $ilias
 
 $tpl
 
 $lng
 
 $db
 
 $outputType
 
 $suggested_solutions
 
 $original_id
 
 $page
 
 $external_id = ''
 
 $questionChangeListeners = array()
 
 $processLocker
 
 $step = null
 
 $lastChange
 
- Static Protected Attributes inherited from assQuestion
static $allowedFileExtensionsByMimeType
 
static $allowedCharsetsByMimeType
 
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.

48 {
49 parent::__construct($title, $comment, $author, $owner, $question);
50 $this->variables = array();
51 $this->results = array();
52 $this->resultunits = array();
53 $this->unitrepository = new ilUnitConfigurationRepository(0);
54
55 }
ilUnitConfigurationRepository
Class ilUnitConfigurationRepository.
Definition: class.ilUnitConfigurationRepository.php:11

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 1301 of file class.assFormulaQuestion.php.

1302 {
1303 switch($value)
1304 {
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 100 of file class.assFormulaQuestion.php.

101 {
102 $this->results[$result->getResult()] = $result;
103 }
$result
$result
Definition: CleanUpTest.php:407

References $result.

Referenced by loadFromDb(), and parseQuestionText().

+ Here is the caller graph for this function:

◆ addResultUnit()

assFormulaQuestion::addResultUnit (   $result,
  $unit 
)

Definition at line 115 of file class.assFormulaQuestion.php.

116 {
117 if(is_object($result) && is_object($unit))
118 {
119 if(!is_array($this->resultunits[$result->getResult()]))
120 {
121 $this->resultunits[$result->getResult()] = array();
122 }
123 $this->resultunits[$result->getResult()][$unit->getId()] = $unit;
124
125 }
126 }

References $result.

Referenced by loadFromDb().

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◆ addResultUnits()

assFormulaQuestion::addResultUnits (   $result,
  $unit_ids 
)

Definition at line 105 of file class.assFormulaQuestion.php.

106 {
107 $this->resultunits[$result->getResult()] = array();
108 if((!is_object($result)) || (!is_array($unit_ids))) return;
109 foreach($unit_ids as $id)
110 {
111 if(is_numeric($id) && ($id > 0)) $this->resultunits[$result->getResult()][$id] = $this->getUnitrepository()->getUnit($id);
112 }
113 }

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

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◆ addVariable()

assFormulaQuestion::addVariable (   $variable)

Definition at line 76 of file class.assFormulaQuestion.php.

77 {
78 $this->variables[$variable->getVariable()] = $variable;
79 }

Referenced by loadFromDb(), and parseQuestionText().

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◆ calculateReachedPoints()

assFormulaQuestion::calculateReachedPoints (   $active_id,
  $pass = NULL,
  $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 918 of file class.assFormulaQuestion.php.

919 {
920 if(is_null($pass))
921 {
922 $pass = $this->getSolutionMaxPass($active_id);
923 }
924 $solutions =& $this->getSolutionValues($active_id, $pass);
925 $user_solution = array();
926 foreach($solutions as $idx => $solution_value)
927 {
928 if(preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches))
929 {
930 $user_solution[$matches[1]] = $solution_value["value2"];
931 $varObj = $this->getVariable($solution_value["value1"]);
932 $varObj->setValue($solution_value["value2"]);
933 }
934 else if(preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches))
935 {
936 if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
937 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
938 }
939 else if(preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches))
940 {
941 if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
942 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
943 }
944 }
945 //vd($this->getResults());
946 $points = 0;
947 foreach($this->getResults() as $result)
948 {
949 //vd($user_solution[$result->getResult()]["value"]);
950 $points += $result->getReachedPoints($this->getVariables(), $this->getResults(), $user_solution[$result->getResult()]["value"], $user_solution[$result->getResult()]["unit"], $this->unitrepository->getUnits());
951 }
952
953 return $points;
954 }
assQuestion\getSolutionValues
& getSolutionValues($active_id, $pass=NULL)
Loads solutions of a given user from the database an returns it.
Definition: class.assQuestion.php:1622
assQuestion\getSolutionMaxPass
getSolutionMaxPass($active_id)
Returns the maximum pass a users question solution.
Definition: class.assQuestion.php:3171

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 956 of file class.assFormulaQuestion.php.

957 {
958 $user_solution = $previewSession->getParticipantsSolution();
959
960 $points = 0;
961 foreach($this->getResults() as $result)
962 {
963 $v = isset($user_solution[$result->getResult()]) ? $user_solution[$result->getResult()] : null;
964 $u = isset($user_solution[$result->getResult().'_unit']) ? $user_solution[$result->getResult().'_unit'] : null;
965
966 $points += $result->getReachedPoints(
967 $this->getVariables(),
968 $this->getResults(),
969 $v,
970 $u,
971 $this->unitrepository->getUnits());
972 }
973
974 return $points;
975 }

References assQuestion\$points, $result, 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 507 of file class.assFormulaQuestion.php.

508 {
509 $result_units = $this->getResultUnits($result);
510 $resultunit = $result->getUnit();
511 $similar_units = 0;
512 foreach($result_units as $unit)
513 {
514 if(is_object($resultunit))
515 {
516 if($resultunit->getId() != $unit->getId())
517 {
518 if($resultunit->getBaseUnit() && $unit->getBaseUnit())
519 {
520 if($resultunit->getBaseUnit() == $unit->getBaseUnit()) return false;
521 }
522 if($resultunit->getBaseUnit())
523 {
524 if($resultunit->getBaseUnit() == $unit->getId()) return false;
525 }
526 if($unit->getBaseUnit())
527 {
528 if($unit->getBaseUnit() == $resultunit->getId()) return false;
529 }
530 }
531 }
532 }
533 return true;
534 }

References $result, and getResultUnits().

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◆ checkForDuplicateResults()

assFormulaQuestion::checkForDuplicateResults ( )

Definition at line 185 of file class.assFormulaQuestion.php.

186 {
187 if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
188 {
189 if((count(array_unique($rmatches[1]))) != count($rmatches[1])) return false;
190 }
191 return true;
192 }
assQuestion\getQuestion
getQuestion()
Gets the question string of the question object.
Definition: class.assQuestion.php:3586

References assQuestion\getQuestion().

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◆ checkForDuplicateVariables()

assFormulaQuestion::checkForDuplicateVariables ( )

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

177 {
178 if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
179 {
180 if((count(array_unique($matches[1]))) != count($matches[1])) return false;
181 }
182 return true;
183 }

References assQuestion\getQuestion().

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◆ clearResults()

assFormulaQuestion::clearResults ( )

Definition at line 81 of file class.assFormulaQuestion.php.

82 {
83 $this->results = array();
84 }

Referenced by parseQuestionText().

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◆ clearVariables()

assFormulaQuestion::clearVariables ( )

Definition at line 57 of file class.assFormulaQuestion.php.

58 {
59 $this->variables = array();
60 }

Referenced by parseQuestionText().

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◆ copyObject()

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

Copies an assFormulaQuestion object @access public.

Definition at line 832 of file class.assFormulaQuestion.php.

833 {
834 if ($this->id <= 0)
835 {
836 // The question has not been saved. It cannot be duplicated
837 return;
838 }
839 // duplicate the question in database
840 $clone = $this;
841 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
842 $original_id = assQuestion::_getOriginalId($this->id);
843 $clone->id = -1;
844 $source_questionpool_id = $this->getObjId();
845 $clone->setObjId($target_questionpool_id);
846 if ($title)
847 {
848 $clone->setTitle($title);
849 }
850 $clone->saveToDb();
851 // copy question page content
852 $clone->copyPageOfQuestion($original_id);
853 // copy XHTML media objects
854 $clone->copyXHTMLMediaObjectsOfQuestion($original_id);
855
856 $clone->onCopy($source_questionpool_id, $original_id, $clone->getObjId(), $clone->getId());
857
858 return $clone->id;
859 }
assQuestion\_getOriginalId
static _getOriginalId($question_id)
Returns the original id of a question.
Definition: class.assQuestion.php:2957
assQuestion\getObjId
getObjId()
Get the object id of the container object.
Definition: class.assQuestion.php:746

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

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◆ createNewOriginalFromThisDuplicate()

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

Definition at line 861 of file class.assFormulaQuestion.php.

862 {
863 if ($this->id <= 0)
864 {
865 // The question has not been saved. It cannot be duplicated
866 return;
867 }
868
869 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
870
871 $sourceQuestionId = $this->id;
872 $sourceParentId = $this->getObjId();
873
874 // duplicate the question in database
875 $clone = $this;
876 $clone->id = -1;
877
878 $clone->setObjId($targetParentId);
879
880 if ($targetQuestionTitle)
881 {
882 $clone->setTitle($targetQuestionTitle);
883 }
884
885 $clone->saveToDb();
886 // copy question page content
887 $clone->copyPageOfQuestion($sourceQuestionId);
888 // copy XHTML media objects
889 $clone->copyXHTMLMediaObjectsOfQuestion($sourceQuestionId);
890
891 $clone->onCopy($sourceParentId, $sourceQuestionId, $clone->getObjId(), $clone->getId());
892
893 return $clone->id;
894 }

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 1132 of file class.assFormulaQuestion.php.

1133 {
1134 global $ilDB;
1135
1136 $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_var WHERE question_fi = %s",
1137 array('integer'),
1138 array($question_id)
1139 );
1140
1141 $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
1142 array('integer'),
1143 array($question_id)
1144 );
1145
1146 $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
1147 array('integer'),
1148 array($question_id)
1149 );
1150 }
$ilDB
global $ilDB
Definition: storeScorm2004.php:19

References $ilDB.

◆ duplicate()

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

Duplicates an assFormulaQuestion @access public.

Reimplemented from assQuestion.

Definition at line 775 of file class.assFormulaQuestion.php.

776 {
777 if ($this->id <= 0)
778 {
779 // The question has not been saved. It cannot be duplicated
780 return;
781 }
782 // duplicate the question in database
783 $this_id = $this->getId();
784 $thisObjId = $this->getObjId();
785
786 $clone = $this;
787 include_once ("./Modules/TestQuestionPool/classes/class.assQuestion.php");
788 $original_id = assQuestion::_getOriginalId($this->id);
789 $clone->id = -1;
790
791 if( (int)$testObjId > 0 )
792 {
793 $clone->setObjId($testObjId);
794 }
795
796 if ($title)
797 {
798 $clone->setTitle($title);
799 }
800
801 if ($author)
802 {
803 $clone->setAuthor($author);
804 }
805 if ($owner)
806 {
807 $clone->setOwner($owner);
808 }
809
810 if ($for_test)
811 {
812 $clone->saveToDb($original_id);
813 }
814 else
815 {
816 $clone->saveToDb();
817 }
818
819 // copy question page content
820 $clone->copyPageOfQuestion($this_id);
821 // copy XHTML media objects
822 $clone->copyXHTMLMediaObjectsOfQuestion($this_id);
823 $clone->onDuplicate($thisObjId, $this_id, $clone->getObjId(), $clone->getId());
824
825 return $clone->id;
826 }
assQuestion\getId
getId()
Gets the id of the assQuestion object.
Definition: class.assQuestion.php:625

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

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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 1113 of file class.assFormulaQuestion.php.

1114 {
1115 return "";
1116 }

◆ 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 1122 of file class.assFormulaQuestion.php.

1123 {
1124 return "";
1125 }

◆ 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 1422 of file class.assFormulaQuestion.php.

1423 {
1424 if($index !== null)
1425 {
1426 return $this->getResult('$r'.($index+1));
1427 }
1428 else
1429 {
1430 return $this->getResults();
1431 }
1432 }

References 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 1213 of file class.assFormulaQuestion.php.

1214 {
1215 $user_solution = array();
1216
1217 foreach($solutions as $idx => $solution_value)
1218 {
1219 if(preg_match("/^(\\\$v\\d+)$/", $solution_value["value1"], $matches))
1220 {
1221 $user_solution[$matches[1]] = $solution_value["value2"];
1222 $varObj = $this->getVariable($matches[1]);
1223 $varObj->setValue($solution_value["value2"]);
1224 }
1225 else if(preg_match("/^(\\\$r\\d+)$/", $solution_value["value1"], $matches))
1226 {
1227 if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
1228 $user_solution[$matches[1]]["value"] = $solution_value["value2"];
1229 }
1230 else if(preg_match("/^(\\\$r\\d+)_unit$/", $solution_value["value1"], $matches))
1231 {
1232 if(!array_key_exists($matches[1], $user_solution)) $user_solution[$matches[1]] = array();
1233 $user_solution[$matches[1]]["unit"] = $solution_value["value2"];
1234 }
1235 }
1236 foreach($this->getResults() as $result)
1237 {
1238 $resVal = $result->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), false);
1239
1240 if(is_object($result->getUnit()))
1241 {
1242 $user_solution[$result->getResult()]["unit"] = $result->getUnit()->getId();
1243 $user_solution[$result->getResult()]["value"] = $resVal;
1244 }
1245 else if($result->getUnit() == NULL)
1246 {
1247 $unit_factor = 1;
1248 // there is no fix result_unit, any "available unit" is accepted
1249
1250 $available_units = $result->getAvailableResultUnits(parent::getId());
1251 $result_name = $result->getResult();
1252
1253 if($available_units[$result_name] != NULL)
1254 {
1255 $check_unit = in_array($user_solution[$result_name]['unit'], $available_units[$result_name]);
1256 }
1257
1258 if($check_unit == true)
1259 {
1260 //get unit-factor
1261 $unit_factor = assFormulaQuestionUnit::lookupUnitFactor($user_solution[$result_name]['unit']);
1262 $user_solution[$result->getResult()]["value"] = round(ilMath::_div($resVal, $unit_factor), 55);
1263 }
1264 }
1265 if($result->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
1266 || $result->getResultType() == assFormulaQuestionResult::RESULT_FRAC)
1267 {
1268 $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($resVal);
1269 if(is_array($value))
1270 {
1271 $user_solution[$result->getResult()]["value"] = $value[0];
1272 $user_solution[$result->getResult()]["frac_helper"] = $value[1];
1273 }
1274 else
1275 {
1276 $user_solution[$result->getResult()]["value"] = $value;
1277 $user_solution[$result->getResult()]["frac_helper"] = null;
1278 }
1279 }
1280 elseif($result->getPrecision() > 0)
1281 {
1282 $user_solution[$result->getResult()]["value"] = round($resVal, $result->getPrecision());
1283 }
1284 else
1285 {
1286 $user_solution[$result->getResult()]["value"] = round($resVal);
1287 }
1288 }
1289 return $user_solution;
1290 }
assFormulaQuestionResult\convertDecimalToCoprimeFraction
static convertDecimalToCoprimeFraction($decimal_value, $tolerance=1.e-9)
Definition: class.assFormulaQuestionResult.php:948
ilMath\_div
static _div($left_operand, $right_operand, $scale=50)
Definition: class.ilMath.php:84

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 ( )

Get all available expression types for a specific question.

Returns
array

Implements iQuestionCondition.

Definition at line 1367 of file class.assFormulaQuestion.php.

1368 {
1369 return array(
1370 iQuestionCondition::PercentageResultExpression,
1371 iQuestionCondition::NumericResultExpression,
1372 iQuestionCondition::EmptyAnswerExpression,
1373 );
1374 }

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

◆ getMaximumPoints()

assFormulaQuestion::getMaximumPoints ( )

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

See also
$points

Reimplemented from assQuestion.

Definition at line 900 of file class.assFormulaQuestion.php.

901 {
902 $points = 0;
903 foreach($this->results as $result)
904 {
905 $points += $result->getPoints();
906 }
907 return $points;
908 }

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 1357 of file class.assFormulaQuestion.php.

1358 {
1359 require_once "./Modules/TestQuestionPool/classes/class.ilOperatorsExpressionMapping.php";
1360 return ilOperatorsExpressionMapping::getOperatorsByExpression($expression);
1361 }

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 1104 of file class.assFormulaQuestion.php.

1105 {
1106 return "assFormulaQuestion";
1107 }

◆ getResult()

assFormulaQuestion::getResult (   $result)

Definition at line 91 of file class.assFormulaQuestion.php.

92 {
93 if(array_key_exists($result, $this->results))
94 {
95 return $this->results[$result];
96 }
97 return null;
98 }

References $result.

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

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◆ getResults()

assFormulaQuestion::getResults ( )

Definition at line 86 of file class.assFormulaQuestion.php.

87 {
88 return $this->results;
89 }

References $results.

Referenced by calculateReachedPoints(), calculateReachedPointsFromPreviewSession(), getAvailableAnswerOptions(), getBestSolution(), and substituteVariables().

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◆ getResultUnits()

assFormulaQuestion::getResultUnits (   $result)

Definition at line 128 of file class.assFormulaQuestion.php.

129 {
130 if(array_key_exists($result->getResult(), $this->resultunits))
131 {
132 return $this->resultunits[$result->getResult()];
133 }
134 else
135 {
136 return array();
137 }
138 }

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 1156 of file class.assFormulaQuestion.php.

1157 {
1158 $text = parent::getRTETextWithMediaObjects();
1159 return $text;
1160 }

◆ getSolutionSubmit()

assFormulaQuestion::getSolutionSubmit ( )
protected
Returns
array

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

1334 {
1335 $solutionSubmit = array();
1336 foreach($_POST as $k => $v)
1337 {
1338 if(preg_match("/^result_(\\\$r\\d+)$/", $k))
1339 {
1340 $solutionSubmit[$k] = $v;
1341 } elseif(preg_match("/^result_(\\\$r\\d+)_unit$/", $k))
1342 {
1343 $solutionSubmit[$k] = $v;
1344 }
1345 }
1346 return $solutionSubmit;
1347 }
$_POST
$_POST['username']
Definition: cron.php:12

References $_POST.

Referenced by savePreviewData(), and saveWorkingData().

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◆ getUnitrepository()

assFormulaQuestion::getUnitrepository ( )
Returns
\ilUnitConfigurationRepository

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

1326 {
1327 return $this->unitrepository;
1328 }

References $unitrepository.

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

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◆ getVariable()

assFormulaQuestion::getVariable (   $variable)

Definition at line 67 of file class.assFormulaQuestion.php.

68 {
69 if(array_key_exists($variable, $this->variables))
70 {
71 return $this->variables[$variable];
72 }
73 return null;
74 }

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

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◆ getVariables()

assFormulaQuestion::getVariables ( )

Definition at line 62 of file class.assFormulaQuestion.php.

63 {
64 return $this->variables;
65 }

References $variables.

Referenced by calculateReachedPoints(), calculateReachedPointsFromPreviewSession(), getBestSolution(), and substituteVariables().

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◆ hasResultUnit()

assFormulaQuestion::hasResultUnit (   $result,
  $unit_id 
)

Definition at line 140 of file class.assFormulaQuestion.php.

141 {
142 if(array_key_exists($result->getResult(), $this->resultunits))
143 {
144 if(array_key_exists($unit_id, $this->resultunits[$result->getResult()]))
145 {
146 return TRUE;
147 }
148 }
149
150 return FALSE;
151 }

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 540 of file class.assFormulaQuestion.php.

541 {
542 if(($this->title) and ($this->author) and ($this->question) and ($this->getMaximumPoints() > 0))
543 {
544 return true;
545 }
546 else
547 {
548 return false;
549 }
550 }
assFormulaQuestion\getMaximumPoints
getMaximumPoints()
Returns the maximum points, a learner can reach answering the question.
Definition: class.assFormulaQuestion.php:900

References getMaximumPoints().

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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 687 of file class.assFormulaQuestion.php.

688 {
689 global $ilDB;
690
691 $result = $ilDB->queryF("SELECT qpl_questions.* FROM qpl_questions WHERE question_id = %s",
692 array('integer'),
693 array($question_id)
694 );
695 if($result->numRows() == 1)
696 {
697 $data = $ilDB->fetchAssoc($result);
698 $this->setId($question_id);
699 $this->setTitle($data["title"]);
700 $this->setComment($data["description"]);
701 $this->setSuggestedSolution($data["solution_hint"]);
702 $this->setOriginalId($data["original_id"]);
703 $this->setObjId($data["obj_fi"]);
704 $this->setAuthor($data["author"]);
705 $this->setOwner($data["owner"]);
706
707 try
708 {
709 $this->setAdditionalContentEditingMode($data['add_cont_edit_mode']);
710 }
711 catch(ilTestQuestionPoolException $e)
712 {
713 }
714
715 $this->unitrepository = new ilUnitConfigurationRepository($question_id);
716
717 include_once("./Services/RTE/classes/class.ilRTE.php");
718 $this->setQuestion(ilRTE::_replaceMediaObjectImageSrc($data["question_text"], 1));
719 $this->setEstimatedWorkingTime(substr($data["working_time"], 0, 2), substr($data["working_time"], 3, 2), substr($data["working_time"], 6, 2));
720
721 // load variables
722 $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_var WHERE question_fi = %s",
723 array('integer'),
724 array($question_id)
725 );
726 if($result->numRows() > 0)
727 {
728 while($data = $ilDB->fetchAssoc($result))
729 {
730 $varObj = new assFormulaQuestionVariable($data["variable"], $data["range_min"], $data["range_max"], $this->getUnitrepository()->getUnit($data["unit_fi"]), $data["varprecision"], $data["intprecision"]);
731 $varObj->setRangeMinTxt($data['range_min_txt']);
732 $varObj->setRangeMaxTxt($data['range_max_txt']);
733 $this->addVariable($varObj);
734 }
735 }
736 // load results
737 $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_res WHERE question_fi = %s",
738 array('integer'),
739 array($question_id)
740 );
741 if($result->numRows() > 0)
742 {
743 while($data = $ilDB->fetchAssoc($result))
744 {
745 $resObj = new assFormulaQuestionResult($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"]);
746 $resObj->setResultType($data['result_type']);
747 $resObj->setRangeMinTxt($data['range_min_txt']);
748 $resObj->setRangeMaxTxt($data['range_max_txt']);
749 $this->addResult($resObj);
750 }
751 }
752
753 // load result units
754 $result = $ilDB->queryF("SELECT * FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
755 array('integer'),
756 array($question_id)
757 );
758 if($result->numRows() > 0)
759 {
760 while($data = $ilDB->fetchAssoc($result))
761 {
762 $unit = $this->getUnitrepository()->getUnit($data["unit_fi"]);
763 $resObj = $this->getResult($data["result"]);
764 $this->addResultUnit($resObj, $unit);
765 }
766 }
767 }
768 parent::loadFromDb($question_id);
769 }
assFormulaQuestion\setId
setId($id=-1)
Sets the id of the assQuestion object.
Definition: class.assFormulaQuestion.php:1292
assQuestion\setOriginalId
setOriginalId($original_id)
Definition: class.assQuestion.php:2255
assQuestion\setObjId
setObjId($obj_id=0)
Set the object id of the container object.
Definition: class.assQuestion.php:758
assQuestion\setSuggestedSolution
setSuggestedSolution($solution_id="", $subquestion_index=0, $is_import=false)
Sets a suggested solution for the question.
Definition: class.assQuestion.php:2631
assQuestion\setTitle
setTitle($title="")
Sets the title string of the assQuestion object.
Definition: class.assQuestion.php:453
assQuestion\setOwner
setOwner($owner="")
Sets the creator/owner ID of the assQuestion object.
Definition: class.assQuestion.php:601
assQuestion\setEstimatedWorkingTime
setEstimatedWorkingTime($hour=0, $min=0, $sec=0)
Sets the estimated working time of a question from given hour, minute and second.
Definition: class.assQuestion.php:536
assQuestion\setAuthor
setAuthor($author="")
Sets the authors name of the assQuestion object.
Definition: class.assQuestion.php:585
assQuestion\setComment
setComment($comment="")
Sets the comment string of the assQuestion object.
Definition: class.assQuestion.php:489
assQuestion\setAdditionalContentEditingMode
setAdditionalContentEditingMode($additinalContentEditingMode)
setter for additional content editing mode for this question
Definition: class.assQuestion.php:4397
assQuestion\setQuestion
setQuestion($question="")
Sets the question string of the question object.
Definition: class.assQuestion.php:3598
ilRTE\_replaceMediaObjectImageSrc
static _replaceMediaObjectImageSrc($a_text, $a_direction=0, $nic=IL_INST_ID)
replaces image source from mob image urls with the mob id or replaces mob id with the correct image s...
Definition: class.ilRTE.php:236

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\setQuestion(), assQuestion\setSuggestedSolution(), and assQuestion\setTitle().

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◆ parseQuestionText()

assFormulaQuestion::parseQuestionText ( )

Definition at line 153 of file class.assFormulaQuestion.php.

154 {
155 $this->clearResults();
156 $this->clearVariables();
157 if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
158 {
159 foreach($matches[1] as $variable)
160 {
161 $varObj = new assFormulaQuestionVariable($variable, 0, 0, null, 0);
162 $this->addVariable($varObj);
163 }
164 }
165
166 if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
167 {
168 foreach($rmatches[1] as $result)
169 {
170 $resObj = new assFormulaQuestionResult($result, NULL, NULL, 0, -1, NULL, 1, 1, TRUE);
171 $this->addResult($resObj);
172 }
173 }
174 }

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

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◆ reworkWorkingData()

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

Reworks the allready saved working data if neccessary.

@abstract @access protected

Parameters
integer$active_id
integer$pass
boolean$obligationsAnswered

Reimplemented from assQuestion.

Definition at line 1095 of file class.assFormulaQuestion.php.

1096 {
1097 // nothing to do
1098 }

◆ savePreviewData()

assFormulaQuestion::savePreviewData ( ilAssQuestionPreviewSession  $previewSession)
protected

Reimplemented from assQuestion.

Definition at line 1065 of file class.assFormulaQuestion.php.

1066 {
1067 $userSolution = $previewSession->getParticipantsSolution();
1068
1069 foreach($this->getSolutionSubmit() as $key => $val)
1070 {
1071 $matches = null;
1072
1073 if(preg_match("/^result_(\\\$r\\d+)$/", $key, $matches))
1074 {
1075 $userSolution[$matches[1]] = $val;
1076 }
1077 else if(preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches))
1078 {
1079 $userSolution[$matches[1] . "_unit"] = $val;
1080 }
1081 }
1082
1083 $previewSession->setParticipantsSolution($userSolution);
1084 }

References 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 556 of file class.assFormulaQuestion.php.

557 {
558 global $ilDB;
559
560 $this->saveQuestionDataToDb($original_id);
561 // save variables
562 $affectedRows = $ilDB->manipulateF("
563 DELETE FROM il_qpl_qst_fq_var
564 WHERE question_fi = %s",
565 array("integer"),
566 array($this->getId())
567 );
568
569 $source_qst_id = $original_id;
570 $target_qst_id = $this->getId();
571
572 foreach($this->variables as $variable)
573 {
574 $next_id = $ilDB->nextId('il_qpl_qst_fq_var');
575 $ilDB->insert('il_qpl_qst_fq_var',
576 array(
577 'variable_id' => array('integer', $next_id),
578 'question_fi' => array('integer', $this->getId()),
579 'variable' => array('text', $variable->getVariable()),
580 'range_min' => array('float', ((strlen($variable->getRangeMin())) ? $variable->getRangeMin() : 0.0)),
581 'range_max' => array('float', ((strlen($variable->getRangeMax())) ? $variable->getRangeMax() : 0.0)),
582 'unit_fi' => array('integer', (is_object($variable->getUnit()) ? (int)$variable->getUnit()->getId() : 0)),
583 'varprecision' => array('integer', (int)$variable->getPrecision()),
584 'intprecision' => array('integer', (int)$variable->getIntprecision()),
585 'range_min_txt' => array('text', $variable->getRangeMinTxt()),
586 'range_max_txt' => array('text', $variable->getRangeMaxTxt())
587 ));
588
589 }
590 // save results
591 $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res WHERE question_fi = %s",
592 array("integer"),
593 array($this->getId())
594 );
595
596 foreach($this->results as $result)
597 {
598 $next_id = $ilDB->nextId('il_qpl_qst_fq_res');
599 if( is_object($result->getUnit()))
600 {
601 $tmp_result_unit = $result->getUnit()->getId();
602 }
603 else
604 {
605 $tmp_result_unit = NULL;
606 }
607
608 $formula = str_replace(",", ".", $result->getFormula());
609
610 $ilDB->insert("il_qpl_qst_fq_res", array(
611 "result_id" => array("integer", $next_id),
612 "question_fi" => array("integer", $this->getId()),
613 "result" => array("text", $result->getResult()),
614 "range_min" => array("float", ((strlen($result->getRangeMin())) ? $result->getRangeMin() : 0)),
615 "range_max" => array("float", ((strlen($result->getRangeMax())) ? $result->getRangeMax() : 0)),
616 "tolerance" => array("float", ((strlen($result->getTolerance())) ? $result->getTolerance() : 0)),
617 "unit_fi" => array("integer", (int)$tmp_result_unit),
618 "formula" => array("clob", $formula),
619 "resprecision" => array("integer", $result->getPrecision()),
620 "rating_simple" => array("integer", ($result->getRatingSimple()) ? 1 : 0),
621 "rating_sign" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingSign()),
622 "rating_value" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingValue()),
623 "rating_unit" => array("float", ($result->getRatingSimple()) ? 0 : $result->getRatingUnit()),
624 "points" => array("float", $result->getPoints()),
625 "result_type" => array('integer', (int)$result->getResultType()),
626 "range_min_txt" => array("text", $result->getRangeMinTxt()),
627 "range_max_txt" => array("text", $result->getRangeMaxTxt())
628
629 ));
630 }
631 // save result units
632 $affectedRows = $ilDB->manipulateF("DELETE FROM il_qpl_qst_fq_res_unit WHERE question_fi = %s",
633 array("integer"),
634 array($this->getId())
635 );
636 foreach($this->results as $result)
637 {
638 foreach($this->getResultUnits($result) as $unit)
639 {
640 $next_id = $ilDB->nextId('il_qpl_qst_fq_res_unit');
641 $affectedRows = $ilDB->manipulateF("INSERT INTO il_qpl_qst_fq_res_unit (result_unit_id, question_fi, result, unit_fi) VALUES (%s, %s, %s, %s)",
642 array('integer', 'integer', 'text', 'integer'),
643 array(
644 $next_id,
645 $this->getId(),
646 $result->getResult(),
647 $unit->getId()
648 )
649 );
650 }
651 }
652
653
654 // copy category/unit-process:
655 // if $source_qst_id = '' -> nothing to copy because this is a new question
656 // if $source_qst_id == $target_qst_id -> nothing to copy because this is just an update-process
657 // if $source_qst_id != $target_qst_id -> copy categories and untis because this is a copy-process
658 // @todo: Nadia wtf?
659 if($source_qst_id != $target_qst_id && $source_qst_id > 0)
660 {
661 $res = $ilDB->queryF('
662 SELECT * FROM il_qpl_qst_fq_ucat WHERE question_fi = %s',
663 array('integer'), array($source_qst_id));
664
665 $cp_cats = array();
666 while($row = $ilDB->fetchAssoc($res))
667 {
668 $cp_cats[] = $row['category_id'];
669 }
670
671 foreach($cp_cats as $old_category_id)
672 {
673 // copy admin-categorie to custom-category (with question_fi)
674 $new_cat_id = $this->unitrepository->copyCategory($old_category_id, $target_qst_id);
675
676 // copy units to custom_category
677 $this->unitrepository->copyUnitsByCategories($old_category_id, $new_cat_id, $target_qst_id);
678 }
679 }
680 parent::saveToDb();
681 }
assQuestion\saveQuestionDataToDb
saveQuestionDataToDb($original_id="")
Definition: class.assQuestion.php:2426

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

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◆ saveWorkingData()

assFormulaQuestion::saveWorkingData (   $active_id,
  $pass = NULL 
)

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 984 of file class.assFormulaQuestion.php.

985 {
986 global $ilDB;
987
988 if(is_null($pass))
989 {
990 include_once "./Modules/Test/classes/class.ilObjTest.php";
991 $pass = ilObjTest::_getPass($active_id);
992 }
993
994 $this->getProcessLocker()->requestUserSolutionUpdateLock();
995
996 $solutionSubmit = $this->getSolutionSubmit();
997
998 $entered_values = FALSE;
999 foreach($solutionSubmit as $key => $value)
1000 {
1001 $matches = null;
1002 if(preg_match("/^result_(\\\$r\\d+)$/", $key, $matches))
1003 {
1004 if(strlen($value)) $entered_values = TRUE;
1005 $result = $ilDB->queryF("SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND " . $ilDB->like('value1', 'clob', $matches[1]),
1006 array('integer', 'integer', 'integer'),
1007 array($active_id, $pass, $this->getId())
1008 );
1009 if($result->numRows())
1010 {
1011 while($row = $ilDB->fetchAssoc($result))
1012 {
1013 $affectedRows = $ilDB->manipulateF("DELETE FROM tst_solutions WHERE solution_id = %s",
1014 array('integer'),
1015 array($row['solution_id'])
1016 );
1017 }
1018 }
1019
1020 $affectedRows = $this->saveCurrentSolution($active_id,$pass,$matches[1],str_replace(",", ".", $value));
1021 }
1022 else if(preg_match("/^result_(\\\$r\\d+)_unit$/", $key, $matches))
1023 {
1024 $result = $ilDB->queryF("SELECT solution_id FROM tst_solutions WHERE active_fi = %s AND pass = %s AND question_fi = %s AND " . $ilDB->like('value1', 'clob', $matches[1] . "_unit"),
1025 array('integer', 'integer', 'integer'),
1026 array($active_id, $pass, $this->getId())
1027 );
1028 if($result->numRows())
1029 {
1030 while($row = $ilDB->fetchAssoc($result))
1031 {
1032 $affectedRows = $ilDB->manipulateF("DELETE FROM tst_solutions WHERE solution_id = %s",
1033 array('integer'),
1034 array($row['solution_id'])
1035 );
1036 }
1037 }
1038
1039 $affectedRows = $this->saveCurrentSolution($active_id,$pass,$matches[1] . "_unit",$value);
1040 }
1041 }
1042
1043 $this->getProcessLocker()->releaseUserSolutionUpdateLock();
1044
1045 if($entered_values)
1046 {
1047 include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1048 if(ilObjAssessmentFolder::_enabledAssessmentLogging())
1049 {
1050 $this->logAction($this->lng->txtlng("assessment", "log_user_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1051 }
1052 }
1053 else
1054 {
1055 include_once ("./Modules/Test/classes/class.ilObjAssessmentFolder.php");
1056 if(ilObjAssessmentFolder::_enabledAssessmentLogging())
1057 {
1058 $this->logAction($this->lng->txtlng("assessment", "log_user_not_entered_values", ilObjAssessmentFolder::_getLogLanguage()), $active_id, $this->getId());
1059 }
1060 }
1061
1062 return true;
1063 }
assQuestion\logAction
logAction($logtext="", $active_id="", $question_id="")
Logs an action into the Test&Assessment log.
Definition: class.assQuestion.php:1440
ilObjAssessmentFolder\_getLogLanguage
_getLogLanguage()
retrieve the log language for assessment logging
Definition: class.ilObjAssessmentFolder.php:222
ilObjAssessmentFolder\_enabledAssessmentLogging
_enabledAssessmentLogging()
check wether assessment logging is enabled or not
Definition: class.ilObjAssessmentFolder.php:177
ilObjTest\_getPass
_getPass($active_id)
Retrieves the actual pass of a given user for a given test.
Definition: class.ilObjTest.php:8204

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

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◆ setExportDetailsXLS()

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

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

Parameters
object$worksheetReference to the parent excel worksheet
object$startrowStartrow of the output in the excel worksheet
object$active_idActive id of the participant
object$passTest pass
object$format_titleExcel title format
object$format_boldExcel bold format
array$eval_dataCumulated evaluation data @access public

Reimplemented from assQuestion.

Definition at line 1173 of file class.assFormulaQuestion.php.

1174 {
1175 require_once 'Services/Excel/classes/class.ilExcelUtils.php';
1176 $solution = $this->getSolutionValues($active_id, $pass);
1177 $worksheet->writeString($startrow, 0, ilExcelUtils::_convert_text($this->lng->txt($this->getQuestionType())), $format_title);
1178 $worksheet->writeString($startrow, 1, ilExcelUtils::_convert_text($this->getTitle()), $format_title);
1179 $i = 1;
1180 foreach($solution as $solutionvalue)
1181 {
1182 $worksheet->writeString($startrow + $i, 0, ilExcelUtils::_convert_text($solutionvalue["value1"]), $format_bold);
1183 if(strpos($solutionvalue["value1"], "_unit"))
1184 {
1185 $unit = $this->getUnitrepository()->getUnit($solutionvalue["value2"]);
1186 if(is_object($unit))
1187 {
1188 $worksheet->write($startrow + $i, 1, $unit->getUnit());
1189 }
1190 }
1191 else
1192 {
1193 $worksheet->write($startrow + $i, 1, $solutionvalue["value2"]);
1194 }
1195 if(preg_match("/(\\\$v\\d+)/", $solutionvalue["value1"], $matches))
1196 {
1197 $var = $this->getVariable($solutionvalue["value1"]);
1198 if(is_object($var) && (is_object($var->getUnit())))
1199 {
1200 $worksheet->write($startrow + $i, 2, $var->getUnit()->getUnit());
1201 }
1202 }
1203 $i++;
1204 }
1205 return $startrow + $i + 1;
1206 }
assQuestion\getTitle
getTitle()
Gets the title string of the assQuestion object.
Definition: class.assQuestion.php:613
ilExcelUtils\_convert_text
_convert_text($a_text, $a_target="has been removed")
Definition: class.ilExcelUtils.php:14

References $pass, ilExcelUtils\_convert_text(), assQuestion\getSolutionValues(), assQuestion\getTitle(), 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 1292 of file class.assFormulaQuestion.php.

1293 {
1294 parent::setId($id);
1295 $this->unitrepository->setConsumerId($this->getId());
1296 }

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 (   $userdata = null,
  $graphicalOutput = FALSE,
  $forsolution = FALSE,
  $result_output = FALSE,
ilAssQuestionPreviewSession  $previewSession = null 
)

Definition at line 194 of file class.assFormulaQuestion.php.

195 {
196 global $ilDB;
197
198 if((count($this->results) == 0) && (count($this->variables) == 0))
199 return false;
200
201 $text = $this->getQuestion();
202 if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
203 {
204 foreach($rmatches[1] as $result)
205 {
206 $resObj = $this->getResult($result);
207 $resObj->findValidRandomVariables($this->getVariables(), $this->getResults());
208 }
209 }
210 if(preg_match_all("/(\\\$v\\d+)/ims", $this->getQuestion(), $matches))
211 {
212 foreach($matches[1] as $variable)
213 {
214 $varObj = $this->getVariable($variable);
215 if(is_array($userdata))
216 {
217 if(strlen($userdata[$varObj->getVariable()]))
218 {
219 $value = $userdata[$varObj->getVariable()];
220 $varObj->setValue($value);
221 }
222 elseif( is_object($previewSession) )
223 {
224 $userSolution = $previewSession->getParticipantsSolution();
225 $userSolution[$varObj->getVariable()] = $varObj->getValue();
226 $previewSession->setParticipantsSolution($userSolution);
227 }
228 else
229 {
230 // save value to db
231 $this->saveCurrentSolution($userdata["active_id"], $userdata["pass"], $variable,$varObj->getValue());
232 }
233 }
234 $unit = (is_object($varObj->getUnit())) ? $varObj->getUnit()->getUnit() : "";
235 $val = (strlen($varObj->getValue()) > 8) ? strtoupper(sprintf("%e", $varObj->getValue())) : $varObj->getValue();
236 $text = preg_replace("/\\$" . substr($variable, 1) . "(?![0-9]+)/", $val . " " . $unit . "\\1", $text);
237 }
238 }
239 if(preg_match_all("/(\\\$r\\d+)/ims", $this->getQuestion(), $rmatches))
240 {
241 foreach($rmatches[1] as $result)
242 {
243 $resObj = $this->getResult($result);
244 $value = "";
245 $frac_helper = '';
246 $user_data[$result]['result_type'] = $resObj->getResultType();
247
248 if(
249 $resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC ||
250 $resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC
251 )
252 {
253 $is_frac = true;
254 }
255 if(is_array($userdata))
256 {
257 if(is_array($userdata[$result]))
258 {
259 if($forsolution && $result_output)
260 {
261 $value_org = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
262 $value = sprintf("%." . $resObj->getPrecision() . "f", $value_org);
263 if($is_frac)
264 {
265 $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($value_org);
266 if(is_array($value))
267 {
268 $frac_helper = $value[1];
269 $value = $value[0];
270 }
271 }
272 }
273 else
274 {
275 if($forsolution)
276 {
277 $value = $userdata[$result]["value"];
278 }
279 else
280 {
281 $value = ' value="' . $userdata[$result]["value"] . '"';
282 }
283 }
284 }
285 }
286 else
287 {
288 if($forsolution)
289 {
290 $value = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId());
291 $value = sprintf("%." . $resObj->getPrecision() . "f", $value);
292
293 if($is_frac)
294 {
295 $value = assFormulaQuestionResult::convertDecimalToCoprimeFraction($value);
296 if(is_array($value))
297 {
298 $frac_helper = $value[1];
299 $value = $value[0];
300 }
301 $value = ' value="' . $value . '"';
302 }
303 }
304 else
305 {
306 // Precision fix for Preview by tjoussen
307 // If all default values are set, this function is called in getPreview
308 $use_precision = !($userdata == null && $graphicalOutput == FALSE && $forsolution == FALSE && $result_output == FALSE);
309
310 $val = $resObj->calculateFormula($this->getVariables(), $this->getResults(), parent::getId(), $use_precision);
311
312 if($resObj->getResultType() == assFormulaQuestionResult::RESULT_FRAC
313 ||$resObj->getResultType() == assFormulaQuestionResult::RESULT_CO_FRAC)
314 {
315 $val = $resObj->convertDecimalToCoprimeFraction($val);
316 if(is_array($val))
317 {
318 $frac_helper = $val[1];
319 $val = $val[0];
320 }
321 }
322 else
323 {
324 $val = sprintf("%." . $resObj->getPrecision() . "f", $val);
325 $val = (strlen($val) > 8) ? strtoupper(sprintf("%e", $val)) : $val;
326 }
327 $value = ' value="' . $val . '"';
328 }
329 }
330
331 if($forsolution)
332 {
333 $input = '<span class="solutionbox">' . ilUtil::prepareFormOutput($value) . '</span>';
334 }
335 else
336 {
337 $input = '<input type="text" spellcheck="false" autocomplete="off" autocorrect="off" autocapitalize="off" name="result_' . $result . '"' . $value . ' />';
338 }
339
340 $units = "";
341 if(count($this->getResultUnits($resObj)) > 0)
342 {
343 if($forsolution)
344 {
345 if(is_array($userdata))
346 {
347 foreach($this->getResultUnits($resObj) as $unit)
348 {
349 if($userdata[$result]["unit"] == $unit->getId())
350 {
351 $units = $unit->getUnit();
352 }
353 }
354 }
355 else
356 {
357 if($resObj->getUnit())
358 {
359 $units = $resObj->getUnit()->getUnit();
360 }
361 }
362 }
363 else
364 {
365 $units = '<select name="result_' . $result . '_unit">';
366 $units .= '<option value="-1">' . $this->lng->txt("select_unit") . '</option>';
367 foreach($this->getResultUnits($resObj) as $unit)
368 {
369 $units .= '<option value="' . $unit->getId() . '"';
370 if((is_array($userdata[$result])) && (strlen($userdata[$result]["unit"])))
371 {
372 if($userdata[$result]["unit"] == $unit->getId())
373 {
374 $units .= ' selected="selected"';
375 }
376 }
377 $units .= '>' . $unit->getUnit() . '</option>';
378 }
379 $units .= '</select>';
380 }
381 }
382 else
383 {
384 $units = "";
385 }
386 switch($resObj->getResultType())
387 {
388 case assFormulaQuestionResult::RESULT_DEC:
389 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_dec');
390 break;
391 case assFormulaQuestionResult::RESULT_FRAC:
392 if(strlen($frac_helper))
393 {
394 $units .= ' &asymp; ' . $frac_helper . ', ';
395 }
396 elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"]))
397 {
398 if(!preg_match('-/-', $value))
399 {
400 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
401 }
402 }
403 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_frac');
404 break;
405 case assFormulaQuestionResult::RESULT_CO_FRAC:
406 if(strlen($frac_helper))
407 {
408 $units .= ' &asymp; ' . $frac_helper . ', ';
409 }
410 elseif (is_array($userdata) && isset($userdata[$result]) && strlen($userdata[$result]["frac_helper"]))
411 {
412 if(!preg_match('-/-', $value))
413 {
414 $units .= ' &asymp; ' . $userdata[$result]["frac_helper"] . ', ';
415 }
416 }
417 $units .= ' ' . $this->lng->txt('expected_result_type') . ': ' . $this->lng->txt('result_co_frac');
418 break;
419 case assFormulaQuestionResult::RESULT_NO_SELECTION:
420 break;
421 }
422 $checkSign = "";
423 if($graphicalOutput)
424 {
425 $resunit = null;
426 $user_value = '';
427 if(is_array($userdata) && is_array($userdata[$result]))
428 {
429 if($userdata[$result]["unit"] > 0)
430 {
431 $resunit = $this->getUnitrepository()->getUnit($userdata[$result]["unit"]);
432 }
433
434 if(isset($userdata[$result]["value"]))
435 {
436 $user_value = $userdata[$result]["value"];
437 }
438 }
439
440 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_image.html", true, true, 'Modules/TestQuestionPool');
441
442 if($resObj->isCorrect($this->getVariables(), $this->getResults(), $user_value, $resunit))
443 {
444 $template->setCurrentBlock("icon_ok");
445 $template->setVariable("ICON_OK", ilUtil::getImagePath("icon_ok.svg"));
446 $template->setVariable("TEXT_OK", $this->lng->txt("answer_is_right"));
447 $template->parseCurrentBlock();
448 }
449 else
450 {
451 $template->setCurrentBlock("icon_not_ok");
452 $template->setVariable("ICON_NOT_OK", ilUtil::getImagePath("icon_not_ok.svg"));
453 $template->setVariable("TEXT_NOT_OK", $this->lng->txt("answer_is_wrong"));
454 $template->parseCurrentBlock();
455 }
456 $checkSign = $template->get();
457 }
458 $resultOutput = "";
459 if($result_output)
460 {
461 $template = new ilTemplate("tpl.il_as_qpl_formulaquestion_output_solution_result.html", true, true, 'Modules/TestQuestionPool');
462
463 if(is_array($userdata))
464 {
465 $found = $resObj->getResultInfo($this->getVariables(), $this->getResults(), $userdata[$resObj->getResult()]["value"], $userdata[$resObj->getResult()]["unit"], $this->getUnitrepository()->getUnits());
466 }
467 else
468 {
469 $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());
470 }
471 $resulttext = "(";
472 if($resObj->getRatingSimple())
473 {
474 if($frac_helper)
475 {
476 $resulttext .="n/a";
477 }
478 else
479 {
480 $resulttext .= $found['points'] . " " . (($found['points'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
481 }
482 }
483 else
484 {
485 $resulttext .= $this->lng->txt("rated_sign") . " " . (($found['sign']) ? $found['sign'] : 0) . " " . (($found['sign'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
486 $resulttext .= $this->lng->txt("rated_value") . " " . (($found['value']) ? $found['value'] : 0) . " " . (($found['value'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points')) . ", ";
487 $resulttext .= $this->lng->txt("rated_unit") . " " . (($found['unit']) ? $found['unit'] : 0) . " " . (($found['unit'] == 1) ? $this->lng->txt('point') : $this->lng->txt('points'));
488 }
489
490 $resulttext .= ")";
491 $template->setVariable("RESULT_OUTPUT", $resulttext);
492
493 $resultOutput = $template->get();
494 }
495 $text = preg_replace("/\\\$" . substr($result, 1) . "(?![0-9]+)/", $input . " " . $units . " " . $checkSign . " " . $resultOutput . " " . "\\1", $text);
496 }
497 }
498 return $text;
499 }
ilTemplate
special template class to simplify handling of ITX/PEAR
Definition: class.ilTemplate.php:12
ilUtil\getImagePath
static getImagePath($img, $module_path="", $mode="output", $offline=false)
get image path (for images located in a template directory)
Definition: class.ilUtil.php:71
ilUtil\prepareFormOutput
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms @access public
Definition: class.ilUtil.php:3110

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

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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: