qtype_calculated_question_with_expressions Interface Reference

This interface defines the method that a quetsion type must implement if it is to work with qtype_calculated_question_helper. More...

Inheritance diagram for qtype_calculated_question_with_expressions:

Public Member Functions
	calculate_all_expressions ()
	Replace all the expression in the question definition with the values computed from the selected dataset by calling $this->vs->calculate() and $this->vs->replace_expressions_in_text() on the parts of the question that require it. More...

Detailed Description

This interface defines the method that a quetsion type must implement if it is to work with qtype_calculated_question_helper.

As well as this method, the class that implements this interface must have fields public $datasetloader; // of type qtype_calculated_dataset_loader public $vs; // of type qtype_calculated_variable_substituter

Copyright

2011 The Open University

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Member Function Documentation

calculate_all_expressions()

qtype_calculated_question_with_expressions::calculate_all_expressions

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Replace all the expression in the question definition with the values computed from the selected dataset by calling $this->vs->calculate() and $this->vs->replace_expressions_in_text() on the parts of the question that require it.

Implemented in qtype_calculated_question, qtype_calculatedmulti_single_question, and qtype_calculatedmulti_multi_question.

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

• question/type/calculated/question.php