Class for cloze question gaps. More...

Inheritance diagram for assClozeGap:

Collaboration diagram for assClozeGap:

Public Member Functions
	__construct ($a_type)
	assClozeGap constructor More...

	getType ()
	Gets the cloze gap type. More...

	setType ($a_type=0)
	Sets the cloze gap type. More...

	getItems (ilArrayElementShuffler $shuffler)
	Gets the items of a cloze gap. More...

	getItemsRaw ()
	Gets the items of a cloze gap. More...

	getItemCount ()
	Gets the item count. More...

	addItem ($a_item)
	Adds a gap item. More...

	setItemPoints ($order, $points)
	Sets the points for a given item. More...

	deleteItem ($order)
	Deletes an item at a given index. More...

	setItemLowerBound ($order, $bound)
	Sets the lower bound for a given item. More...

	setItemUpperBound ($order, $bound)
	Sets the upper bound for a given item. More...

	getItem ($a_index)
	Gets the item with a given index. More...

	clearItems ()
	Removes all gap items. More...

	setShuffle ($a_shuffle=true)
	Sets the shuffle state of the items. More...

	getShuffle ()
	Gets the shuffle state of the items. More...

	getMaxWidth ()
	Returns the maximum width of the gap. More...

	getBestSolutionIndexes ()
	Returns the indexes of the best solutions for the gap. More...

	getBestSolutionOutput (ilArrayElementShuffler $shuffler, $combinations=null)

	setGapSize ($gap_size)

	getGapSize ()

	numericRangeExists ()

Data Fields
const	TYPE_TEXT = 0

const	TYPE_SELECT = 1

const	TYPE_NUMERIC = 2

	$type
	Type of gap. More...

	$items

	$shuffle

Private Attributes
	$gap_size = 0

Detailed Description

Class for cloze question gaps.

assClozeGap is a class for the abstraction of cloze gaps. It represents a text gap.

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; Maximilian Becker mbeck.nosp@m.er@d.nosp@m.ataba.nosp@m.y.de

Version: $Id$

Definition at line 18 of file class.assClozeGap.php.

Constructor & Destructor Documentation

◆ __construct()

assClozeGap::__construct ( $a_type )

assClozeGap constructor

Parameters

int $a_type

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

References $a_type.

     {
         $this->type = $a_type;
         $this->items = array();
         $this->shuffle = true;
     }

Member Function Documentation

◆ addItem()

assClozeGap::addItem ( $a_item )

Adds a gap item.

Adds a gap item

Parameters

object $a_item Cloze gap item public

See also: $items

Definition at line 143 of file class.assClozeGap.php.

References $i.

     {
         $order = $a_item->getOrder();
         if (array_key_exists($order, $this->items)) {
             $newitems = array();
             for ($i = 0; $i < $order; $i++) {
                 array_push($newitems, $this->items[$i]);
             }
             array_push($newitems, $a_item);
             for ($i = $order; $i < count($this->items); $i++) {
                 array_push($newitems, $this->items[$i]);
             }
             $i = 0;
             foreach ($newitems as $idx => $item) {
                 $newitems[$idx]->setOrder($i);
                 $i++;
             }
             $this->items = $newitems;
         } else {
             array_push($this->items, $a_item);
         }
     }

◆ clearItems()

assClozeGap::clearItems ( )

Removes all gap items.

Removes all gap items

public

See also: $items

Definition at line 271 of file class.assClozeGap.php.

     {
         $this->items = array();
     }

◆ deleteItem()

assClozeGap::deleteItem ( $order )

Deletes an item at a given index.

Deletes an item at a given index

Parameters

integer $0order Order of the item public

See also: $items

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

References $key.

     {
         if (array_key_exists($order, $this->items)) {
             unset($this->items[$order]);
             $order = 0;
             foreach ($this->items as $key => $item) {
                 $this->items[$key]->setOrder($order);
                 $order++;
             }
         }
     }

◆ getBestSolutionIndexes()

assClozeGap::getBestSolutionIndexes ( )

Returns the indexes of the best solutions for the gap.

Returns the indexes of the best solutions for the gap

Returns: array The indexs of the best solutions public

Definition at line 325 of file class.assClozeGap.php.

References $key, and $keys.

     {
         $maxpoints = 0;
         foreach ($this->items as $key => $item) {
             if ($item->getPoints() > $maxpoints) {
                 $maxpoints = $item->getPoints();
             }
         }
         $keys = array();
         foreach ($this->items as $key => $item) {
             if ($item->getPoints() == $maxpoints) {
                 array_push($keys, $key);
             }
         }
         return $keys;
     }

◆ getBestSolutionOutput()

assClozeGap::getBestSolutionOutput	(	ilArrayElementShuffler	$shuffler,
			$combinations = `null`
	)

Parameters

ilArrayElementShuffler	$shuffler
null \| array	$combinations

Returns: string

Definition at line 347 of file class.assClozeGap.php.

References $DIC, $lng, CLOZE_NUMERIC, CLOZE_SELECT, CLOZE_TEXT, getItems(), and getType().

     {
         global $DIC;
         $lng = $DIC['lng'];
         switch ($this->getType()) {
             case CLOZE_TEXT:
             case CLOZE_SELECT:
                 $best_solutions = array();
                 if ($combinations !== null && $combinations['best_solution'] == 1) {
                     $best_solutions[$combinations['points']] = array();
                     array_push($best_solutions[$combinations['points']], $combinations['answer']);
                 } else {
                     foreach ($this->getItems($shuffler) as $answer) {
                         if (isset($best_solutions[$answer->getPoints()]) && is_array($best_solutions[$answer->getPoints()])) {
                             array_push($best_solutions[$answer->getPoints()], $answer->getAnswertext());
                         } else {
                             $best_solutions[$answer->getPoints()] = array();
                             array_push($best_solutions[$answer->getPoints()], $answer->getAnswertext());
                         }
                     }
                 }
                 
                 krsort($best_solutions, SORT_NUMERIC);
                 reset($best_solutions);
                 $found = current($best_solutions);
                 return join(" " . $lng->txt("or") . " ", $found);
                 break;
             case CLOZE_NUMERIC:
                 $maxpoints = 0;
                 $foundvalue = "";
                 foreach ($this->getItems($shuffler) as $answer) {
                     if ($answer->getPoints() >= $maxpoints) {
                         $maxpoints = $answer->getPoints();
                         $foundvalue = $answer->getAnswertext();
                     }
                 }
                 return $foundvalue;
                 break;
             default:
                 return "";
         }
     }

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◆ getGapSize()

assClozeGap::getGapSize ( )

Returns: int

Definition at line 401 of file class.assClozeGap.php.

References $gap_size.

     {
         return $this->gap_size;
     }

◆ getItem()

assClozeGap::getItem ( $a_index )

Gets the item with a given index.

Gets the item with a given index

Parameters

integer $a_index Item index public

See also: $items

Returns: assAnswerCloze|null

Definition at line 254 of file class.assClozeGap.php.

Referenced by ilAssClozeTestFeedback\determineAnswerIndexForAnswerValue(), and numericRangeExists().

     {
         if (array_key_exists($a_index, $this->items)) {
             return $this->items[$a_index];
         } else {
             return null;
         }
     }

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◆ getItemCount()

assClozeGap::getItemCount ( )

Gets the item count.

Gets the item count

Returns: integer The item count public

See also: $items

Definition at line 129 of file class.assClozeGap.php.

     {
         return count($this->items);
     }

◆ getItems()

assClozeGap::getItems ( ilArrayElementShuffler $shuffler )

Gets the items of a cloze gap.

Parameters

ilArrayElementShuffler $shuffler

Returns: assAnswerCloze[] The list of items

Definition at line 97 of file class.assClozeGap.php.

References $items, getShuffle(), and ilArrayElementShuffler\shuffle().

Referenced by ilAssClozeTestFeedback\completeFbPropsForSelectGap(), ilAssClozeTestFeedback\completeFbPropsForTextGap(), ilAssClozeTestFeedback\determineAnswerIndexForAnswerValue(), getBestSolutionOutput(), ilAssClozeTestFeedback\initFbPropsForSelectGap(), ilAssClozeTestFeedback\initFbPropsForTextGap(), ilAssClozeTestFeedback\saveFbPropsForSelectGap(), and ilAssClozeTestFeedback\saveFbPropsForTextGap().

     {
         if ($this->getShuffle()) {
             return $shuffler->shuffle($this->items);
         }
         
         return $this->items;
     }

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◆ getItemsRaw()

assClozeGap::getItemsRaw ( )

Gets the items of a cloze gap.

Gets the items of a cloze gap

Returns: array The list of items public

See also: $items

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

References $items.

Referenced by assClozeTestGUI\saveGapCorrectionFormProperty(), and assClozeTestGUI\saveTextOrSelectGapCorrectionFormProperty().

     {
         return $this->items;
     }

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◆ getMaxWidth()

assClozeGap::getMaxWidth ( )

Returns the maximum width of the gap.

Returns the maximum width of the gap

Returns: integer The maximum width of the gap defined by the longest answer public

Definition at line 306 of file class.assClozeGap.php.

     {
         $maxwidth = 0;
         foreach ($this->items as $item) {
             if (strlen($item->getAnswertext()) > $maxwidth) {
                 $maxwidth = strlen($item->getAnswertext());
             }
         }
         return $maxwidth;
     }

◆ getShuffle()

assClozeGap::getShuffle ( )

Gets the shuffle state of the items.

Returns: boolean Shuffle state

Definition at line 293 of file class.assClozeGap.php.

References $shuffle.

Referenced by getItems().

     {
         return $this->shuffle;
     }

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◆ getType()

assClozeGap::getType ( )

Gets the cloze gap type.

Gets the cloze gap type

Returns: integer cloze gap type

See also: $type for mapping.

Definition at line 74 of file class.assClozeGap.php.

References $type.

Referenced by ilAssClozeTestFeedback\determineAnswerIndexForAnswerValue(), getBestSolutionOutput(), numericRangeExists(), and assClozeTestGUI\saveGapCorrectionFormProperty().

     {
         return $this->type;
     }

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◆ numericRangeExists()

assClozeGap::numericRangeExists ( )

Definition at line 406 of file class.assClozeGap.php.

References CLOZE_NUMERIC, getItem(), and getType().

Referenced by ilAssClozeTestFeedback\completeFbPropsForNumericGap(), ilAssClozeTestFeedback\initFbPropsForNumericGap(), and ilAssClozeTestFeedback\saveFbPropsForNumericGap().

     {
         if ($this->getType() != CLOZE_NUMERIC) {
             return false;
         }
         
         require_once 'Services/Math/classes/class.EvalMath.php';
         $math = new EvalMath();
         
         $item = $this->getItem(0);
         $lowerBound = $math->evaluate($item->getLowerBound());
         $upperBound = $math->evaluate($item->getUpperBound());
         $preciseValue = $math->evaluate($item->getAnswertext());
         
         if ($lowerBound < $preciseValue || $upperBound > $preciseValue) {
             return true;
         }
         
         return false;
     }

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◆ setGapSize()

assClozeGap::setGapSize ( $gap_size )

Parameters

integer $gap_size

Definition at line 393 of file class.assClozeGap.php.

References $gap_size.

     {
         $this->gap_size = $gap_size;
     }

◆ setItemLowerBound()

assClozeGap::setItemLowerBound	(	$order,
		$bound
	)

Sets the lower bound for a given item.

Sets the lower bound for a given item

Parameters

integer	$order	Order of the item
double	$bound	Lower bounds of the item public

See also: $items

Definition at line 216 of file class.assClozeGap.php.

References $key.

     {
         foreach ($this->items as $key => $item) {
             if ($item->getOrder() == $order) {
                 $item->setLowerBound($bound);
             }
         }
     }

◆ setItemPoints()

assClozeGap::setItemPoints	(	$order,
		$points
	)

Sets the points for a given item.

Sets the points for a given item

Parameters

integer	$order	Order of the item
double	$points	Points of the item public

See also: $items

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

References $key.

     {
         foreach ($this->items as $key => $item) {
             if ($item->getOrder() == $order) {
                 $item->setPoints($points);
             }
         }
     }

◆ setItemUpperBound()

assClozeGap::setItemUpperBound	(	$order,
		$bound
	)

Sets the upper bound for a given item.

Sets the upper bound for a given item

Parameters

integer	$order	Order of the item
double	$bound	Upper bound of the item public

See also: $items

Definition at line 235 of file class.assClozeGap.php.

References $key.

     {
         foreach ($this->items as $key => $item) {
             if ($item->getOrder() == $order) {
                 $item->setUpperBound($bound);
             }
         }
     }

◆ setShuffle()

assClozeGap::setShuffle ( $a_shuffle = true )

Sets the shuffle state of the items.

Sets the shuffle state of the items

Parameters

boolean $a_shuffle Shuffle state

Definition at line 283 of file class.assClozeGap.php.

     {
         $this->shuffle = (bool) $a_shuffle;
     }

◆ setType()

assClozeGap::setType ( $a_type = 0 )

Sets the cloze gap type.

Parameters

integer $a_type cloze gap type

See also: $type for mapping.

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

References $a_type.

     {
         $this->type = $a_type;
     }

Field Documentation

◆ $gap_size

assClozeGap::$gap_size = 0

private

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

Referenced by getGapSize(), and setGapSize().

◆ $items

assClozeGap::$items

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

Referenced by getItems(), and getItemsRaw().

◆ $shuffle

assClozeGap::$shuffle

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

Referenced by getShuffle().

◆ $type

int assClozeGap::$type

Type of gap.

An integer value indicating the type of the gap 0 == text gap, 1 == select gap, 2 == numeric gap

Definition at line 32 of file class.assClozeGap.php.

Referenced by getType().

◆ TYPE_NUMERIC

const assClozeGap::TYPE_NUMERIC = 2

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

Referenced by ilAssClozeTestFeedback\completeFormPropsForFeedbackModeGapAnswers(), ilAssClozeTestFeedback\initFeedbackFieldsPerGapAnswers(), and ilAssClozeTestFeedback\saveFeedbackFieldsPerGapAnswers().

◆ TYPE_SELECT

const assClozeGap::TYPE_SELECT = 1

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

Referenced by ilAssClozeTestFeedback\completeFormPropsForFeedbackModeGapAnswers(), ilAssClozeTestFeedback\initFeedbackFieldsPerGapAnswers(), and ilAssClozeTestFeedback\saveFeedbackFieldsPerGapAnswers().

◆ TYPE_TEXT

const assClozeGap::TYPE_TEXT = 0

Definition at line 20 of file class.assClozeGap.php.

Referenced by ilAssClozeTestFeedback\completeFormPropsForFeedbackModeGapAnswers(), ilAssClozeTestFeedback\initFeedbackFieldsPerGapAnswers(), and ilAssClozeTestFeedback\saveFeedbackFieldsPerGapAnswers().

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

Modules/TestQuestionPool/classes/class.assClozeGap.php

Public Member Functions

Data Fields

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ __construct()

Member Function Documentation

◆ addItem()

◆ clearItems()

◆ deleteItem()

◆ getBestSolutionIndexes()

◆ getBestSolutionOutput()

◆ getGapSize()

◆ getItem()

◆ getItemCount()

◆ getItems()

◆ getItemsRaw()

◆ getMaxWidth()

◆ getShuffle()

◆ getType()

◆ numericRangeExists()

◆ setGapSize()

◆ setItemLowerBound()

◆ setItemPoints()

◆ setItemUpperBound()

◆ setShuffle()

◆ setType()

Field Documentation

◆ $gap_size

◆ $items

◆ $shuffle

◆ $type

◆ TYPE_NUMERIC

◆ TYPE_SELECT

◆ TYPE_TEXT