Class for true/false or yes/no answers. More...

Inheritance diagram for ASS_AnswerTrueFalse:

Collaboration diagram for ASS_AnswerTrueFalse:

Public Member Functions
	ASS_AnswerTrueFalse ($answertext="", $points=0.0, $order=0, $correctness=FALSE)
	ASS_AnswerTrueFalse constructor.
	get_correctness ()
	Gets the correctness.
	is_correct ()
	Gets the correctness.
	is_true ()
	Gets the correctness.
	is_incorrect ()
	Gets the correctness.
	is_false ()
	Gets the correctness.
	set_correctness ($correctness=FALSE)
	Sets the correctness.
	set_true ()
	Sets the answer as a correct answer.
	set_false ()
	Sets the answer as a incorrect answer.
Data Fields
	$correctness

Detailed Description

Class for true/false or yes/no answers.

ASS_AnswerTrueFalse is a class for true/false or yes/no answers used for example in multiple choice tests.

Author:: Helmut Schottmüller <hschottm@tzi.de>

Version:

Id:: class.assAnswerTrueFalse.php 4949 2004-09-14 19:13:58Z hschottm

class.assAnswerTrueFalse.php Assessment

See also:: ASS_AnswerSimple

Definition at line 37 of file class.assAnswerTrueFalse.php.

Member Function Documentation

ASS_AnswerTrueFalse::ASS_AnswerTrueFalse	(	$	answertext = `""`,
		$	points = `0.0`,
		$	order = `0`,
		$	correctness = `FALSE`
	)

ASS_AnswerTrueFalse constructor.

The constructor takes possible arguments an creates an instance of the ASS_AnswerTrueFalse object.

Parameters:

	string	$answertext A string defining the answer text
	double	$points The number of points given for the selected answer
	boolean	$correctness A boolean value indicating the correctness of the answer
	integer	$order A nonnegative value representing a possible display or sort order public

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

References ASS_AnswerSimple::$answertext, $correctness, ASS_AnswerSimple::$order, ASS_AnswerSimple::$points, and ASS_AnswerSimple::ASS_AnswerSimple().

  {
    $this->ASS_AnswerSimple($answertext, $points, $order);
        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
    $this->correctness = $correctness."";
  }

Here is the call graph for this function:

ASS_AnswerTrueFalse::get_correctness ( )

Gets the correctness.

Returns the correctness of the answer

Returns:: boolean correctness public

See also:: $correctness

Definition at line 82 of file class.assAnswerTrueFalse.php.

                             {
    return $this->correctness;
  }

ASS_AnswerTrueFalse::is_correct ( )

Gets the correctness.

Returns TRUE if the answer is correct

Returns:: boolean correctness public

See also:: $correctness

Definition at line 95 of file class.assAnswerTrueFalse.php.

                        {
    return $this->correctness;
  }

ASS_AnswerTrueFalse::is_false ( )

Gets the correctness.

Returns TRUE if the answer is incorrect

Returns:: boolean correctness public

See also:: $correctness

Definition at line 134 of file class.assAnswerTrueFalse.php.

                      {
    return !$this->correctness;
  }

ASS_AnswerTrueFalse::is_incorrect ( )

Gets the correctness.

Returns TRUE if the answer is incorrect

Returns:: boolean correctness public

See also:: $correctness

Definition at line 121 of file class.assAnswerTrueFalse.php.

                          {
    return !$this->correctness;
  }

ASS_AnswerTrueFalse::is_true ( )

Gets the correctness.

Returns TRUE if the answer is correct

Returns:: boolean correctness public

See also:: $correctness

Definition at line 108 of file class.assAnswerTrueFalse.php.

                     {
    return $this->correctness;
  }

ASS_AnswerTrueFalse::set_correctness ( $ correctness = FALSE )

Sets the correctness.

Sets the correctness of the answer using TRUE or FALSE values to indicate that the answer is correct or incorrect.

Parameters:

boolean

$correctness A boolean value indicating the correctness of the answer public

See also:: $correctness

Definition at line 148 of file class.assAnswerTrueFalse.php.

References $correctness.

  {
        // force $this->correctness to be a string
        // ilDB->quote makes 1 from true and saving it to ENUM('1','0') makes that '0'!!!
        // (maybe that only happens for certain mysql versions)
    $this->correctness = $correctness."";
  }

ASS_AnswerTrueFalse::set_false ( )

Sets the answer as a incorrect answer.

Sets the correctness value of the answer to FALSE

public

See also:: $correctness

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

                       {
    $this->correctness = "0";
  }

ASS_AnswerTrueFalse::set_true ( )

Sets the answer as a correct answer.

Sets the correctness value of the answer to TRUE

public

See also:: $correctness

Definition at line 164 of file class.assAnswerTrueFalse.php.

                      {
    $this->correctness = "1";
  }

Field Documentation

ASS_AnswerTrueFalse::$correctness

Definition at line 45 of file class.assAnswerTrueFalse.php.

Referenced by ASS_AnswerTrueFalse(), and set_correctness().

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

assessment/classes/class.assAnswerTrueFalse.php

ASS_AnswerTrueFalse Class Reference

Public Member Functions

Data Fields

Detailed Description

Member Function Documentation

Field Documentation