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/question/type/multianswer/ -> question.php (source)

[Source view]

Differences Between: [Versions 310 and 401] [Versions 311 and 401] [Versions 39 and 401] [Versions 400 and 401]

Multianswer question definition class.

Copyright: 2010 Pierre Pichet
License: http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
File Size: 419 lines (17 kb)
Included or required:0 times
Referenced: 1 time
Includes or requires: 0 files

Defines 1 class

qtype_multianswer_question:: (24 methods):
  get_substep()
  start_attempt()
  apply_attempt_state()
  validate_can_regrade_with_other_version()
  update_attempt_state_data_for_new_version()
  get_question_summary()
  get_min_fraction()
  get_max_fraction()
  get_expected_data()
  get_correct_response()
  prepare_simulated_post_data()
  get_student_response_values_for_simulation()
  is_complete_response()
  is_gradable_response()
  is_same_response()
  get_validation_error()
  combine_states()
  grade_response()
  clear_wrong_from_response()
  get_num_parts_right()
  compute_final_grade()
  summarise_response()
  check_file_access()
  get_question_definition_for_external_rendering()


Class: qtype_multianswer_question  - X-Ref

Represents a multianswer question.

A multi-answer question is made of of several subquestions of various types.
You can think of it as an application of the composite pattern to qusetion
types.

get_substep($step, $i)   X-Ref
Get a question_attempt_step_subquestion_adapter

param: question_attempt_step $step the step to adapt.
param: int $i the subquestion index.
return: question_attempt_step_subquestion_adapter.

start_attempt(question_attempt_step $step, $variant)   X-Ref
No description

apply_attempt_state(question_attempt_step $step)   X-Ref
No description

validate_can_regrade_with_other_version(question_definition $otherversion)   X-Ref
No description

update_attempt_state_data_for_new_version(question_attempt_step $oldstep, question_definition $oldquestion)   X-Ref
No description

get_question_summary()   X-Ref
No description

get_min_fraction()   X-Ref
No description

get_max_fraction()   X-Ref
No description

get_expected_data()   X-Ref
No description

get_correct_response()   X-Ref
No description

prepare_simulated_post_data($simulatedresponse)   X-Ref
No description

get_student_response_values_for_simulation($postdata)   X-Ref
No description

is_complete_response(array $response)   X-Ref
No description

is_gradable_response(array $response)   X-Ref
No description

is_same_response(array $prevresponse, array $newresponse)   X-Ref
No description

get_validation_error(array $response)   X-Ref
No description

combine_states($overallstate, $newstate)   X-Ref
Used by grade_response to combine the states of the subquestions.
The combined state is accumulates in $overallstate. That will be right
if all the separate states are right; and wrong if all the separate states
are wrong, otherwise, it will be partially right.

param: question_state $overallstate the result so far.
param: question_state $newstate the new state to add to the combination.
return: question_state the new combined state.

grade_response(array $response)   X-Ref
No description

clear_wrong_from_response(array $response)   X-Ref
No description

get_num_parts_right(array $response)   X-Ref
No description

compute_final_grade($responses, $totaltries)   X-Ref
No description

summarise_response(array $response)   X-Ref
No description

check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)   X-Ref
No description

get_question_definition_for_external_rendering(question_attempt $qa, question_display_options $options)   X-Ref
Return the question settings that define this question as structured data.

param: question_attempt $qa the current attempt for which we are exporting the settings.
param: question_display_options $options the question display options which say which aspects of the question
return: mixed structure representing the question settings. In web services, this will be JSON-encoded.