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Question type class for the numerical question type.
| Copyright: | 1999 onwards Martin Dougiamas {@link http://moodle.com} |
| License: | http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later |
| File Size: | 733 lines (27 kb) |
| Included or required: | 0 times |
| Referenced: | 4 times |
| Includes or requires: | 0 files |
qtype_numerical:: (17 methods):
get_question_options()
get_numerical_units()
get_default_numerical_unit()
get_numerical_options()
save_question_options()
save_unit_options()
save_units()
initialise_question_instance()
initialise_numerical_answers()
make_answer_processor()
delete_question()
get_random_guess_score()
add_unit()
get_possible_responses()
apply_unit()
move_files()
delete_files()
qtype_numerical_answer_processor:: (13 methods):
__construct()
set_characters()
get_point()
get_separator()
contains_thousands_seaparator()
build_regex()
parse_response()
apply_units()
get_default_unit()
add_unit()
is_known_unit()
are_units_before()
get_unit_options()
Class: qtype_numerical - X-Ref
The numerical question type class.| get_question_options($question) X-Ref |
| No description |
| get_numerical_units(&$question) X-Ref |
| No description |
| get_default_numerical_unit($question) X-Ref |
| No description |
| get_numerical_options($question) X-Ref |
| No description |
| save_question_options($question) X-Ref |
| Save the units and the answers associated with this question. |
| save_unit_options($question) X-Ref |
| The numerical options control the display and the grading of the unit part of the numerical question and related types (calculateds) Questions previous to 2.0 do not have this table as multianswer questions in all versions including 2.0. The default values are set to give the same grade as old question. |
| save_units($question) X-Ref |
| No description |
| initialise_question_instance(question_definition $question, $questiondata) X-Ref |
| No description |
| initialise_numerical_answers(question_definition $question, $questiondata) X-Ref |
| No description |
| make_answer_processor($units, $unitsleft) X-Ref |
| No description |
| delete_question($questionid, $contextid) X-Ref |
| No description |
| get_random_guess_score($questiondata) X-Ref |
| No description |
| add_unit($questiondata, $answer, $unit = null) X-Ref |
| Add a unit to a response for display. param: object $questiondata the data defining the quetsion. param: string $answer a response. param: object $unit a unit. If null, {@link get_default_numerical_unit()} |
| get_possible_responses($questiondata) X-Ref |
| No description |
| apply_unit($rawresponse, $units, $unitsleft) X-Ref |
| Checks if the $rawresponse has a unit and applys it if appropriate. param: string $rawresponse The response string to be converted to a float. param: array $units An array with the defined units, where the return: float The rawresponse with the unit taken into |
| move_files($questionid, $oldcontextid, $newcontextid) X-Ref |
| No description |
| delete_files($questionid, $contextid) X-Ref |
| No description |
Class: qtype_numerical_answer_processor - X-Ref
This class processes numbers with units.| __construct($units, $unitsbefore = false, $decsep = null,$thousandssep = null) X-Ref |
| No description |
| set_characters($decsep, $thousandssep) X-Ref |
| Set the decimal point and thousands separator character that should be used. param: string $decsep param: string $thousandssep |
| get_point() X-Ref |
| No description |
| get_separator() X-Ref |
| No description |
| contains_thousands_seaparator($value) X-Ref |
return: book If the student's response contains a '.' or a ',' that |
| build_regex() X-Ref |
| Create the regular expression that {@link parse_response()} requires. return: string |
| parse_response($response) X-Ref |
| This method can be used for more locale-strict parsing of repsonses. At the moment we don't use it, and instead use the more lax parsing in apply_units. This is just a note that this funciton was used in the past, so if you are intersted, look through version control history. Take a string which is a number with or without a decimal point and exponent, and possibly followed by one of the units, and split it into bits. param: string $response a value, optionally with a unit. return: array four strings (some of which may be blank) the digits before |
| apply_units($response, $separateunit = null) X-Ref |
| Takes a number in almost any localised form, and possibly with a unit after it. It separates off the unit, if present, and converts to the default unit, by using the given unit multiplier. param: string $response a value, optionally with a unit. return: array(numeric, sting) the value with the unit stripped, and normalised |
| get_default_unit() X-Ref |
return: string the default unit. |
| add_unit($answer, $unit = null) X-Ref |
param: string $answer a response. param: string $unit a unit. |
| is_known_unit($unit) X-Ref |
| Is this unit recognised. param: string $unit the unit return: bool whether this is a unit we recognise. |
| are_units_before() X-Ref |
| Whether the units go before or after the number. return: true = before, false = after. |
| get_unit_options() X-Ref |
| Get the units as an array suitably for passing to html_writer::select. return: array of unit choices. |
| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |